CN217393423U

CN217393423U - Top cover stamping device of transmission assembly

Info

Publication number: CN217393423U
Application number: CN202123036249.2U
Authority: CN
Inventors: 王立彬
Original assignee: Yancheng Qiheng Auto Parts Co ltd
Current assignee: Yancheng Qiheng Auto Parts Co ltd
Priority date: 2021-12-06
Filing date: 2021-12-06
Publication date: 2022-09-09
Anticipated expiration: 2031-12-06

Abstract

The utility model discloses a top cap stamping device of derailleur assembly belongs to derailleur processing technology field, including punching press cylinder driven punching press head and bed die, the punching press head is installed on the seat that goes up and down, go up and down the seat with the output of punching press cylinder is connected, the center department of bed die be provided with the model groove that the punching press head corresponds, the top in model groove extends to the edge of bed die is equipped with the transition hypotenuse, the transition hypotenuse is provided with two sections end to end at least, and one section of below with the top in model groove is connected, the bottom in model groove is provided with unloading mechanism for it is ejecting with the work piece after the punching press in model groove. Through setting up both ends at least with the transition hypotenuse, make the punching press head when carrying out the punching press to the panel beating, work piece shaping process is a slow process, avoids a punching press to lead to the panel beating to draw and hinders, improves the work piece quality after the stamping forming.

Description

Top cover stamping device of transmission assembly

Technical Field

The utility model relates to a derailleur processing technology field, in particular to top cap stamping device of derailleur assembly.

Background

A transmission is an automobile accessory used to vary the speed and torque from an engine and to change the ratio of the output and input shafts, either fixed or stepped. The speed variator consists of speed-changing transmission mechanism and control mechanism, some automobiles also have power output mechanism which can be classified into stepped, stepless and comprehensive speed variators, and has the functions of realizing backing running, interrupting power transmission, changing transmission ratio and the like.

Traditional top cap stamping device is generally through the direct shape according to the die cavity of punching press head with panel beating stamping forming, and the panel beating is hindered at the in-process that warp rapidly very easily like this, leads to the transmission top cap quality after producing relatively poor, adopts rigidity ejection structure to push up the top cap ejection die cavity in the unloading of shaping top cap moreover, can the surface of fish tail top cap to influence the aesthetic property of top cap.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a top cap stamping device of derailleur assembly just for solving the above-mentioned derailleur top cap problem that draws the panel beating easily and the easy fish tail top cap surface of unloading when the punching press, have the quality that improves top cap processing, the not fragile top cap of unloading advantage.

The utility model discloses a following technical scheme realizes above-mentioned purpose, a top cap stamping device of derailleur assembly, including punching press cylinder driven punching press head and bed die, the punching press head is installed on the seat that goes up and down, go up and down the seat with the output of punching press cylinder is connected, the center department of bed die be provided with the model groove that the punching press head corresponds, the top in model groove extends to the edge of bed die is equipped with the transition hypotenuse, the transition hypotenuse is provided with two sections end to end at least, and one section of below with the top in model groove is connected, the bottom in model groove is provided with unloading mechanism for it is ejecting with the work piece after the punching press in the model groove.

Preferably, the model groove of the lower die is surrounded by a plurality of splicing insertion blocks fixed on the base, the surface of the base is provided with insertion grooves, and the splicing insertion blocks are inserted into the insertion grooves.

Preferably, the height of the splicing insertion block is reduced close to the die groove in sequence, and the top of the splicing insertion block is a bevel edge.

Preferably, the punching head is provided with a plurality of accommodating holes, and each accommodating hole is internally provided with a trimming punch driven to move up and down by a trimming cylinder.

Preferably, the top of the accommodating hole is provided with a through hole, and a push rod of the trimming cylinder penetrates through the through hole to be connected with the trimming punch, so that the bottom of the trimming punch is flush with the bottom of the punching head when the trimming punch is accommodated in the accommodating hole.

Preferably, the bottom of the mold groove is provided with a plurality of air holes, each air hole is provided with an air blowing pipe, and the air blowing pipes are connected with the air pump pipeline.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the transition bevel edge is at least provided with two ends, so that when the stamping head stamps the metal plate, the workpiece forming process is a slow process, the metal plate is prevented from being damaged by pulling due to one-time stamping, and the quality of the stamped workpiece is improved; the trimming punch is arranged to punch and trim the edge of the punched workpiece, so that the inner angle of the workpiece is smooth.

2. The workpiece is ejected out of the mold groove through the gas blowing pipe, and gas is in contact with the surface of the workpiece, so that the workpiece is not easy to wear.

Drawings

Fig. 1 is a schematic view of the overall structure of the stamping device of the present invention.

Fig. 2 is a schematic view of the lower mold structure of the present invention.

Fig. 3 is a schematic structural view of the punching head of the present invention.

In the figure: 1. the device comprises a base, 2, a supporting frame, 3, a stamping cylinder, 4, a lifting seat, 5, a trimming cylinder, 6, a trimming punch, 7, a stamping head, 8, a lower die, 9, a transition bevel edge, 10, an air pump, 11, an air blow pipe, 12, an assembling insertion block, 13, a slot, 14 and a through hole.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1, a top cover stamping device of a transmission assembly includes a stamping head 7 driven by a stamping cylinder 3 and a lower die 8, the stamping head 7 is mounted on a lifting seat 4, the lifting seat 4 is connected with an output end of the stamping cylinder 3, a die groove corresponding to the stamping head 7 is arranged at a center of the lower die 8, a transition bevel edge 9 is arranged at a top of the die groove extending to an edge of the lower die 8, at least two sections of the transition bevel edge 9 are connected end to end, a lowermost section is connected with a top of the die groove, a blanking mechanism is arranged at a bottom of the die groove for ejecting a stamped workpiece out of the die groove, a metal plate for producing a top cover of a transformer is placed on the lower die 8, the stamping head 7 is driven by the stamping cylinder 3 to stamp the metal plate, thereby the metal plate forms the top cover of the transformer, the die groove is in a shape of the top cover, in a process of deformation of the metal plate, the panel beating bottom all the time with the contact of transition hypotenuse 9, transition hypotenuse 9 can prevent that the panel beating from once only being stamped into the top cap shape and leading to the panel beating to strain, avoids influencing the quality of top cap, and transition hypotenuse 9 shown in fig. 1 is provided with the three-section, from 8 edges of bed die to model groove degree of slope grow in proper order, makes the panel beating have a slow deformation process.

As shown in figure 1, a plurality of gas holes are formed in the bottom of the die groove, a gas blowing pipe 11 is installed in each gas hole, the gas blowing pipes 11 are connected with a gas pump 10 through a pipeline, the die groove is blanked in a blowing mode, compressed gas is blown out through the gas blowing pipes 11 by the aid of the gas pump 10, a transmission top cover punched in the die groove is separated from the die groove, gas is enabled to be in contact with the top cover punched in the blowing blanking mode, the surface of the top cover is not prone to being scratched, and the top cover after machining is more attractive.

As shown in fig. 2, the model groove of the lower mold 8 is enclosed by a plurality of splicing insertion blocks 12 fixed on the base 1, the surface of the base 1 is provided with a slot 13, the splicing insertion blocks 12 are inserted into the slot 13, the height of the splicing insertion blocks 12 is reduced close to the model groove in sequence, and the top of the splicing insertion blocks 12 is an inclined edge, the transition inclined edge 9 is formed by the top of the splicing insertion blocks 12, because the splicing insertion blocks 12 adopt a movable installation mode, the splicing insertion blocks 12 with different inclinations can be selected according to different sheet metal materials, for example, the metal material with good ductility is obtained, the transition inclined edge 9 can select a large inclination degree, the sheet metal with good ductility can not be strained, the metal material with poor ductility is obtained, the transition inclined edge 9 selects a small inclination degree, the sheet metal with strain is avoided, the inclination degree of the transition inclined edge 9 is changed according to the actual metal material, and the actual production requirement is met.

As shown in fig. 1 and 3, a plurality of accommodating holes are formed in the punching head 7, each accommodating hole is internally provided with a trimming punch 6 which moves up and down under the driving of the trimming cylinder 5, the trimming punch 6 flattens the bent inner angle of the sheet metal after the punching head 7 performs punch forming on the sheet metal, defective products are avoided, a through hole 14 is formed in the top of each accommodating hole, a push rod of the trimming cylinder 5 penetrates through the through hole 14 to be connected with the trimming punch 6, when the trimming punch 6 is accommodated in the accommodating holes, the bottom of the trimming punch 6 is flat with the bottom of the punching head 7, the bottom of the trimming punch 6 keeps the same plane with the punching head 7 when the trimming punch 6 does not work, and the inner wall of the punched top cover cannot have uneven conditions.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a top cap stamping device of derailleur assembly, includes punching press head (7) and bed die (8) of punching press cylinder (3) driven, install on lift seat (4) punching press head (7), lift seat (4) with the output of punching press cylinder (3) is connected, its characterized in that, the center department of bed die (8) be provided with the model groove that punching press head (7) correspond, the top in model groove extends to the edge of bed die (8) is equipped with transition hypotenuse (9), transition hypotenuse (9) are provided with two sections end to end at least, and the below one section with the top in model groove is connected, the bottom in model groove is provided with unloading mechanism for ejecting with the work piece after the punching press the model groove.

2. The top cover stamping device of the transmission assembly as claimed in claim 1, wherein the model groove of the lower die (8) is defined by a plurality of splicing insertion blocks (12) fixed on the base (1), the surface of the base (1) is provided with insertion grooves (13), and the splicing insertion blocks (12) are inserted into the insertion grooves (13).

3. The device for stamping the top cover of the transmission assembly according to claim 2, wherein the heights of the splicing inserts (12) are sequentially reduced close to the mold groove, and the tops of the splicing inserts (12) are beveled.

4. The device for stamping the top cover of the transmission assembly according to claim 1, wherein the stamping head (7) is provided with a plurality of receiving holes, and each receiving hole is internally provided with a trimming punch head (6) which moves up and down under the driving of the trimming cylinder (5).

5. The device for stamping the top cover of the transmission assembly according to claim 4, wherein a through hole (14) is formed in the top of the receiving hole, and the push rod of the trimming cylinder (5) penetrates through the through hole (14) to be connected with the trimming punch (6), so that when the trimming punch (6) is received in the receiving hole, the bottom of the trimming punch is flush with the bottom of the stamping head (7).

6. The top cover punching device of the transmission assembly as claimed in claim 1, wherein a plurality of air holes are formed in the bottom of the mold groove, each air hole is provided with an air blowing pipe (11), and the air blowing pipes (11) are connected with an air pump (10) through pipelines.