CN207207220U - Brake-shoe for train piece compacting tool set - Google Patents

The utility model provides a kind of brake-shoe for train piece compacting tool set, including the upper male mould on hydraulic press upper table face and it is correspondingly arranged at upper male mould bottom and the concave die cavity to match with brake-shoe for train plate shape, concave die cavity opened upper end, the inner side bottom wall of concave die cavity is formed by stretching into the lower punch that can be moved upwardly or downwardly in concave die cavity and along concave die cavity from downside, lower punch bottom is arranged on the lower table face of hydraulic press, upper male mould lower shape matches with the upper friction material shape of brake-shoe for train piece, lower punch shaped upper part matches with the bottom steel back shape of brake-shoe for train piece.Friction material compacting can be bonded in steel back by the utility model during friction material is compressing, it is once compressing to brake-shoe for train piece, the profile of brake-shoe for train piece can be effectively guaranteed by concave die cavity, and during concave die cavity is departed from, brake-shoe for train piece stress avoids damage caused by demoulding unbalance stress than more uniform.

Brake-shoe for train piece compacting tool set

Technical field

Brake-shoe for train piece manufacture field is the utility model is related to, especially a kind of brake-shoe for train piece compacting tool set.

Background technology

The key components and parts that brake-shoe for train piece belongs on train, the braking ability influence on train is huge, therefore to train The material of brake shoe flake products, performance, quality have very high requirement.But original processing mode, it is first to be pressed by mould mostly Material preliminary configuration to be made, then further rapidoprint outer shape is repaired, processing efficiency is low, while also very The uniformity of card brake-shoe for train piece appearance and size is difficult to ensure, and easily causes friction material in dressing process and bursts apart or damage Bad, causing the stability of brake shoe tablet quality cannot effectively ensure.Therefore there is an urgent need to research and develop a kind of new brake-shoe for train Piece compacting tool set, to ensure the stability of the stability of brake-shoe for train piece appearance and size and quality.

The content of the invention

In view of the above the shortcomings that prior art, it is an object of the invention to provide a kind of brake-shoe for train piece pressing die Tool, it is low for solving brake-shoe for train piece compacting efficiency in the prior art, it is impossible to one-shot forming, the uniformity of product design size The problem of can not obtaining being effectively ensured with the stability of quality.

In order to achieve the above objects and other related objects, the present invention provides a kind of brake-shoe for train piece compacting tool set, including peace Upper male mould on hydraulic press upper table face and be correspondingly arranged at the upper male mould bottom and with brake-shoe for train plate shape phase The concave die cavity of matching, the concave die cavity opened upper end, the inner side bottom wall of the concave die cavity are described by being stretched into from downside It can form in concave die cavity and along the lower punch that the concave die cavity is moved upwardly or downwardly, the lower punch bottom is arranged on institute State on the lower table face of hydraulic press, the upper friction material shape phase of the upper male mould lower shape and the brake-shoe for train piece It coincide, the lower punch shaped upper part matches with the bottom steel back shape of the brake-shoe for train piece.

Preferably, the lower punch moves up along the concave die cavity brake-shoe for train piece ejecting the cavity plate type Chamber.

Preferably, upper male mould connecting plate, institute are additionally provided between the upper male mould and the upper table face of the hydraulic press Upper male mould is stated to be fixed on the hydraulic press upper table face by the upper male mould connecting plate.

Preferably, lower punch connecting plate, institute are additionally provided between the lower punch and the lower table face of the hydraulic press Lower punch is stated to be fixed on the hydraulic press lower table face by the lower punch connecting plate.

Further, it is also equipped with punch-pin cushion block between the lower punch connecting plate and the lower punch.

Preferably, anticorrosion backplate is provided with the inwall of the concave die cavity.

Preferably, the brake-shoe for train piece compacting tool set also includes the insert for preventing the special-shaped bore deformation of the steel back.

As described above, the utility model, has the advantages that：Suppressed using the utility model brake-shoe for train brake block Mould, first the bottom steel back of the brake-shoe for train piece is placed on the lower punch in concave die cavity during work, makes the train The bottom steel back of brake shoe piece and the top of the lower punch are brought into close contact, and a certain amount of friction material then is poured on into the upper of steel back Portion, hydraulic press is opened, hydraulic press drives upper male mould to move downward, friction material is pressed into steel back under pressure, After the completion of compacting, upper table rises so as to drive upper male mould to depart from concave die cavity return, and then lower table rises, under drive Punch-pin is moved up or down, and the brake-shoe for train piece after compressing is ejected or exited the concave die cavity demoulding, completes a work After circulating, brake-shoe for train piece once suppresses success.The utility model can incite somebody to action during friction material is compressing Friction material compacting is bonded in steel back, and can eject or exit cavity plate by brake-shoe for train piece by lower punch after the completion of compacting Die cavity is stripped, and once compressing to brake-shoe for train piece, the appearance and size of brake-shoe for train piece can be had by concave die cavity The guarantee of effect, and during concave die cavity is departed from, ejected or exited by lower punch completely, brake-shoe for train piece stress compares Uniformly, avoid hand ejection to damage caused by unbalance stress, product quality can be effectively guaranteed, while this practicality The new brake-shoe for train piece produced does not need second-order correction, efficiency high, suitable for batch production after being stripped from concave die cavity.

The utility model also includes the insert for the bottom steel back deformation for preventing the brake-shoe for train piece, first insert during work Insert in the lower end irregularly-shaped hole of steel back, steel back is put on the lower punch in concave die cavity together with insert, so can be right Prominent side opening position forms effective pad in the middle part of steel back, can ensure that steel back during compressing, is not extruded Deformation, while ensure that friction material is unlikely to be pressed onto in the side opening of steel back protrusion, suitable for wide popularization and application.

Brief description of the drawings

Fig. 1 is the structural representation of the utility model embodiment；

Fig. 2 is the top view of concave die cavity in the utility model embodiment；

Fig. 3 is the structure chart of brake-shoe for train piece；

Fig. 4 is A-A in Fig. 3 to sectional view；

Fig. 5 is the front view of insert in the utility model embodiment；

Fig. 6 is Fig. 5 top view.

In figure：1st, upper male mould connecting plate 2, upper male mould

3rd, anticorrosion backplate 4, concave die cavity

5th, friction material 6, steel back

7th, insert 8, lower punch

9th, punch-pin cushion block 10, lower punch connecting plate

61st, irregularly-shaped hole

Embodiment

Structure, ratio, size depicted in Figure of description etc., only to coordinate the content disclosed in specification, with Understand for those skilled in the art and read, be not limited to the enforceable qualifications of the utility model, therefore do not have skill Essential meaning in art, the modification of any structure, the change of proportionate relationship or the adjustment of size, do not influenceing the utility model institute Under the effect of producing and the purpose that can reach, it all should still fall what can be covered in the technology contents disclosed in the utility model In the range of.Meanwhile cited such as " on ", " under ", "front", "rear", " centre " term in this specification, it is merely convenient to chat That states understands, and is not used to limit the enforceable scope of the utility model, and its relativeness is altered or modified, without substantive change Under more technology contents, when being also considered as the enforceable category of the utility model.

As shown in figs. 1 to 6, the utility model is a kind of brake-shoe for train piece compacting tool set, including the work on hydraulic press Make the upper male mould 2 on table top and the concave die cavity 4 for being correspondingly arranged at the bottom of upper male mould 2 and matching with brake-shoe for train plate shape, The opened upper end of concave die cavity 4, the inner side bottom wall of concave die cavity 4 from downside by stretching into concave die cavity 4 and can be along concave die cavity 4 The lower punch 8 being moved upwardly or downwardly is formed, and the bottom of lower punch 8 is arranged on the lower table face of hydraulic press, the bottom of upper male mould 2 Shape matches with the shape of upper friction material 5 of brake-shoe for train piece, the bottom steel of the shaped upper part of lower punch 8 and brake-shoe for train piece 6 shapes are carried on the back to match.

Using the utility model brake-shoe for train brake flat pressing mould, first the bottom steel back 6 of brake-shoe for train piece during work It is placed on the lower punch 8 in concave die cavity 4, the bottom steel back 6 and the top of lower punch 8 for making brake-shoe for train piece are brought into close contact, Then a certain amount of friction material 5 is poured on to the top of steel back 6, open hydraulic press, hydraulic press drives upper male mould 2 to move downward, Friction material 5 is pressed into steel back 6 under pressure, after the completion of compacting, upper table rises so as to drive upper male mould 2 Depart from the return of concave die cavity 4, then lower table rises, and drives lower punch 8 to move up or down, the fire after compressing Brake tile ejects or exits concave die cavity 4 and is stripped, and after completing a working cycles, brake-shoe for train piece once suppresses success.This The compacting of friction material 5 can be bonded in steel back 6 by utility model during friction material 5 is compressing, and can be Concave die cavity 4 is ejected or exit by lower punch 8 by brake-shoe for train piece to be stripped, brake-shoe for train piece is once suppressed after the completion of compacting Shaping, the appearance and size of brake-shoe for train piece can be effectively guaranteed by concave die cavity 4, and depart from concave die cavity 4 During, ejected or exited by lower punch 8 completely, brake-shoe for train piece stress avoids hand ejection because of stress than more uniform Damage caused by inequality, product quality can be effectively guaranteed, while the brake-shoe for train piece that the utility model produces exists Second-order correction, efficiency high, suitable for batch production are not needed after the demoulding of concave die cavity 4.

The distance between upper male mould 2 and lower punch 8 can be increased when being moved downward in view of lower punch 8, and lower punch 8 is downward The concave die cavity 4 on top is arranged on during motion can hinder brake-shoe for train piece to take out, so lower punch 8 in the present embodiment is along cavity plate Die cavity 4 moves up ejects concave die cavity 4 by brake-shoe for train piece, can so shorten hydraulic press upper table face and lower table Distance between face, improve efficiency.

Upper male mould 2 in the present embodiment and upper male mould connecting plate 1 is additionally provided between the upper table face of hydraulic press, it is convex Mould 2 is fixed on hydraulic press upper table face by upper male mould connecting plate 1.Between lower punch 8 and the lower table face of hydraulic press Lower punch connecting plate 10 is additionally provided with, lower punch 8 is fixed on hydraulic press lower table face by lower punch connecting plate 10.When upper Punch-pin 2 or lower punch 8 can be pulled down when needing to repair a die from upper male mould connecting plate 1 or lower punch connecting plate 10, avoid and Hydraulic press upper table face or lower table face are often dismantled when being directly connected to, and are damaged on upper table face or lower table face The situation of connection screw thread or attachment structure occurs, and from the service life that improves hydraulic press is connected, is connected in addition in upper male mould Different connecting holes can be set on plate 1 and lower punch connecting plate 10, so as to connect different upper male mould and lower punch, so may be used With a tractor serves several purposes.Punch-pin cushion block 9 is also equipped between the lower punch connecting plate 10 and lower punch 8 of the present embodiment, punch-pin cushion block 9 Cross section profile is less than the section outline of lower punch 8, can be reduced when brake-shoe for train piece is ejected concave die cavity 4 by lower punch 8 The contact area of lower punch 8 and mold cavity, on the one hand improves the service life of concave die cavity 4, on the other hand decreases Oil consumption of the hydraulic press in ejection process.

Anticorrosion backplate 3 is provided with the inwall of the concave die cavity 4 of the present embodiment, the inner wall smooth of anticorrosion backplate 3 can Damaged with preventing from being rubbed in brake-shoe for train piece ejection process, frictional force can also be reduced and reduce energy consumption.

Brake-shoe for train piece compacting tool set in the present embodiment also includes the edge for preventing that the bottom steel back 6 of brake-shoe for train piece from deforming Block 7, first insert 7 is inserted in the lower end irregularly-shaped hole 61 of steel back 6 during work, steel back 6 is put into concave die cavity together with insert 7 On lower punch 8 in 4, can so effective pad be formed to the side opening position that the middle part of steel back 6 protrudes, can ensure steel back 6 During compressing, it is not deformed, while ensures that friction material 5 is unlikely to be pressed onto in the side opening of the protrusion of steel back 6, Suitable for wide popularization and application.

In summary, it is higher to suppress brake-shoe for train piece efficiency for the utility model, can one-shot forming, and product design The uniformity of size and the stability of quality are accessed and are effectively ensured.So the utility model effectively overcomes prior art In some practical problems so as to having very high value and using meaning.

Above-mentioned embodiment only illustrative principle of the present utility model and its effect are new not for this practicality is limited Type.The utility model also has many aspects to be improved on the premise of without prejudice to overall thought, for being familiar with this technology Personage all can carry out modifications and changes to above-described embodiment without prejudice under spirit and scope of the present utility model.Therefore, Such as those of ordinary skill in the art is without departing from the spirit disclosed in the utility model and institute under technological thought All equivalent modifications completed or change, should be covered by claim of the present utility model.