CN213052284U

CN213052284U - Drawing die for front wall of passenger car

Info

Publication number: CN213052284U
Application number: CN202021835486.8U
Authority: CN
Inventors: 朱于杰; 孔演; 滕颖
Original assignee: YANGZHOU CHANGSHENG VEHICLE CO Ltd
Current assignee: YANGZHOU CHANGSHENG VEHICLE CO Ltd
Priority date: 2020-08-28
Filing date: 2020-08-28
Publication date: 2021-04-27
Anticipated expiration: 2030-08-28

Abstract

The utility model belongs to the field of passenger car front wall manufacturing, in particular to a drawing die for a passenger car front wall, which comprises a bottom plate and a top plate fixedly arranged above the bottom plate, wherein the top of the bottom plate is fixedly connected with a lower die holder in a threaded manner, the top of the top plate is fixedly connected with a connecting block, and the bottom of the top plate is fixedly connected with an upper die holder in a threaded manner; bottom plate top slidable mounting has two movable blocks that are the symmetric distribution, the utility model discloses put between two installing frames at the both ends of during operation blank, then screw two bolts downwards and make two clamp plates push down the both ends of blank, conveniently carry out placing and the fixed work of blank, the stability of blank man-hour has been improved, the processing effect and quality have been improved, and the mounting panel on the installing frame passes through in the mounting groove of a plurality of spring mounting on the movable block, can follow the automatic ejecting certain distance of blank after the shaping on the die holder through the resilience of spring after the blank shaping, conveniently get a work, and the work efficiency is improved.

Description

Drawing die for front wall of passenger car

Technical Field

The utility model relates to a enclose the preparation field before the passenger train, specifically enclose before the passenger train and use drawing die.

Background

In short, the die is a tool for manufacturing a formed article, wherein the drawing die is one of the dies, a front wall of a passenger car, namely a front wall plate of the passenger car, is a partition plate between an engine compartment and a carriage, and is an important barrier for safety protection of personnel in the passenger car, and the drawing die is used for manufacturing the front wall of the passenger car.

At present, when a drawing die is used for machining a front wall of a passenger car, a blank is directly placed on a lower die base, the blank can shake to a certain extent due to extrusion during drawing forming, the blank can shift in position in the machining process due to shaking, errors can occur during machining, the quality of a product obtained after machining is affected, workers need to buckle out a formed workpiece after machining, the workpiece taking efficiency is low, and the working efficiency can be reduced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a enclose before the passenger train and use drawing die to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the drawing die for the front wall of the passenger car comprises a bottom plate and a top plate fixedly mounted above the bottom plate, wherein the top of the bottom plate is fixedly connected with a lower die holder in a threaded manner, the top of the top plate is fixedly connected with a connecting block, and the bottom of the top plate is fixedly connected with an upper die holder in a threaded manner; the top of the bottom plate is slidably provided with two moving blocks which are symmetrically distributed, the lower die base is positioned between the two moving blocks, the inner side wall of each moving block is slidably provided with an installation frame, the installation frame is of a v-21274structure, the inner side wall of each moving block is provided with an installation groove, one side wall of each installation frame, which is close to each moving block, is fixedly connected with an installation plate, the installation plate is slidably installed in the installation groove, the bottom of the installation groove is fixedly connected with a plurality of springs, and the top ends of the springs are fixedly connected with the bottom of the; the left side and the right side of the top of the bottom plate are fixedly connected with mounting blocks, the inside of each mounting block is in threaded connection with a screw rod, and the screw rods are rotatably connected with the outer side walls of the moving blocks.

As a further aspect of the present invention: the mounting frame is characterized in that a bolt is connected to the inner thread of the top end of the mounting frame, and the top end of the bolt is located outside the top end of the mounting frame.

As a further aspect of the present invention: the bottom end of the bolt is rotatably connected with a pressing plate, and the pressing plate is located inside the mounting frame.

As a further aspect of the present invention: the mounting groove with the mounting panel is T shape structure.

As a further aspect of the present invention: the top of the bottom plate is provided with two sliding chutes which are symmetrically distributed.

As a further aspect of the present invention: the bottom end of the moving block is fixedly connected with two sliding blocks which are symmetrically distributed, and the two sliding blocks are respectively installed inside the two sliding grooves in a sliding mode.

As a further aspect of the present invention: the bottom end of the mounting frame is positioned above the lower die holder.

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

the utility model has the advantages that the top of the middle bottom plate is provided with two moving blocks which are symmetrically distributed in a sliding way, the inner side walls of the two moving blocks are both provided with the \21274 | -shaped mounting frames in a sliding way, both ends of the blank are placed between the two mounting frames during working, the two mounting frames can position the blank, the two bolts are screwed downwards after positioning to press both ends of the blank, the blank is fixed, the blank can be conveniently placed and fixed, the situation of position deviation caused by shaking during blank processing can be reduced, the stability during blank processing is improved, the processing effect and quality are improved, the mounting plates on the mounting frames are arranged in the mounting grooves on the moving blocks through a plurality of springs, the formed blank can be automatically ejected out for a certain distance from the lower die holder through the resilience of the springs after the blank is formed, the blank taking work of workers is convenient, and the working efficiency is improved, and can also fix the blank of different thickness through twisting the bolt, the position of two installing frames is adjusted to two movable blocks of back-and-forth movement, can satisfy the processing demand of different blanks, has improved the suitability.

Drawings

FIG. 1 is a schematic structural view of a drawing die for a front wall of a passenger car;

FIG. 2 is a schematic side view of a drawing die for a front wall of a passenger car;

FIG. 3 is a schematic cross-sectional structure view of a moving block in a drawing die for a front wall of a passenger car, which is seen from above;

fig. 4 is a schematic structural view of a mounting frame in a drawing die for front wall of a passenger car.

In the figure: 1. a base plate; 11. a lower die holder; 12. a chute; 13. mounting blocks; 131. a screw; 2. a top plate; 21. connecting blocks; 22. an upper die holder; 3. a moving block; 31. mounting grooves; 311. a spring; 32. a slider; 4. installing a frame; 41. mounting a plate; 42. a bolt; 421. and (7) pressing a plate.

Detailed Description

Referring to fig. 1-4, in the embodiment of the present invention, a drawing die for a front wall of a passenger car includes a bottom plate 1 and a top plate 2 fixedly mounted above the bottom plate 1, a lower die base 11 is fixedly connected to the top of the bottom plate 1 by a screw, a connecting block 21 is fixedly connected to the top of the top plate 2 by a screw, an upper die base 22 is fixedly connected to the bottom of the top plate 2 by a screw, two moving blocks 3 are symmetrically mounted to the top of the bottom plate 1 by a sliding, the lower die base 11 is located between the two moving blocks 3, a mounting frame 4 is slidably mounted to the inner side wall of the moving block 3, the mounting frame 4 is of a 21274type structure, a mounting groove 31 is formed in the inner side wall of the moving block 3, a mounting plate 41 is fixedly connected to the mounting groove 31, a plurality of springs 311 are fixedly connected to the bottom of the mounting groove 31, the, a screw 131 is connected to the inner thread of the mounting block 13, and the screw 131 is rotatably connected to the outer side wall of the moving block 3.

In fig. 1 and 2: bottom plate 1 links together with roof 2, connecting block 21 at roof 2 top can be connected with outside punching machine, enclose the blank before the passenger train and put on the die holder 11 at bottom plate 1 top, the punching machine is started in the during operation, punch press control roof 2 drives upper die base 22 of below and moves down, and be close to die holder 11, carry out the drawing forming work of blank through mutually supporting between upper die base 22 and the die holder 11, die holder 11 spiro union is fixed at bottom plate 1 top, upper die base 22 spiro union is fixed in roof 2 bottom, make things convenient for the workman to carry out the installation and the dismantlement of upper die base 22 and die holder 11, during operation can change different shapes by oneself according to the demand, upper die base 22 and the die holder 11 of size, come to the drawing forming of the preceding passenger train blank of different shapes, the size, the suitability has been improved.

In fig. 1 and 4: the top of the bottom plate 1 is slidably provided with two symmetrically distributed moving blocks 3, the two moving blocks 3 clamp the lower die holder 11 in the middle, the inner side walls of the two moving blocks 3 are both slidably provided with a V-21274-shaped mounting frame 4, during operation, two ends of a blank can be placed in the two mounting frames 4, the blank can be positioned through the two mounting frames 4, the blank can be conveniently placed and positioned, after positioning, the stability of the blank during processing can be improved, the processing effect and quality can be ensured, the top end of the mounting frame 4 is internally and threadedly connected with a bolt 42, the top end of the bolt 42 is positioned outside the top end of the mounting frame 4, the bottom end of the bolt 42 is rotatably connected with a pressing plate 421, the pressing plate 421 is positioned in the mounting frame 4, after two ends of the blank are placed in the two mounting frames 4, the two bolts 42 are sequentially screwed downwards to enable the pressing plate 421 at the bottom ends of the two bolts, fix the both ends of blank inside installing frame 4, and then fix the blank between two installing frames 4, easy operation conveniently carries out fixing work to the blank, can reduce the blank and draw the condition that produces the offset because of rocking when shaping, stability when can further improvement blank adds man-hour has improved processing effect and quality, can adjust clamp plate 421 to different positions through the twisting bolt 42 of different degrees in addition, and then extrudees fixedly to the blank of different thickness, has improved the suitability.

In fig. 1, 2, 3 and 4: after the blank is fixed, a punching machine is started to draw and form the blank, the bottom end of the mounting frame 4 is positioned above the lower die holder 11, so that the blank is positioned above the lower die holder 11 after being placed, the upper die holder 22 moves downwards to contact the blank fixed between the two mounting frames 4 firstly, then the upper die holder 22 extrudes the blank to enable the two mounting frames 4 and the blank to move downwards simultaneously, the two mounting plates 41 on the two mounting frames 4 are respectively and slidably mounted in the two mounting grooves 31 on the two moving blocks 3, the mounting plates 41 on the mounting frames 4 move downwards in the corresponding mounting grooves 31 along with the mounting plates 41, the stability of the mounting frames 4 and the blank when moving downwards can be improved through the mutual matching between the mounting plates 41 and the mounting grooves 31, the mounting grooves 31 and the mounting plates 41 are of T-shaped structures, the mounting plates 41 always move linearly in the mounting grooves 31, and the stability of the mounting frames 4 and the blank, the bottom end of the mounting plate 41 and the top ends of the springs 311 at the bottom of the mounting groove 31 are fixed, so that the mounting plate 41 moves downwards to extrude the springs 311, the springs 311 are in a contracted state, the blank extruded by the upper die holder 22 is in contact with the lower die holder 11, the blank is drawn and formed through the mutual matching between the upper die holder 22 and the lower die holder 11, the punch drives the top plate 2 and the upper die holder 22 to reset upwards after forming, at the moment, the springs 311 rebound to push the mounting plate 41 back, so that the two mounting frames 4 and the blank automatically move upwards to separate the formed blank from the lower die holder 11 by a certain distance, then the two bolts 42 are screwed upwards to separate the pressing plate 421 from the blank, at the moment, the formed blank can be taken out, the operation is simple, the formed blank can be automatically separated from the lower die holder 11 by a certain distance through the springs 311, and further workpiece taking work of workers is facilitated, the work efficiency is improved, the spring 311 can compress different degrees during work, the mounting frame 4 can move downwards to different positions, the processing requirements of different blanks can be met, and the applicability is improved.

In fig. 1 and 2: the left side and the right side of the top of the bottom plate 1 are both fixed with mounting blocks 13 with screws 131 inside, the opposite ends of the two screws 131 are respectively connected with the outer side walls of the two moving blocks 3 in a rotating way, when in use, the two screws 131 are simultaneously screwed to enable the two moving blocks 3 to move back and forth on the top of the bottom plate 1, and then the positions of the two moving blocks 3 and the two mounting frames 4 are adjusted according to the sizes of the lower die holder 11 and the upper die holder 22, after the adjustment is finished, the moving blocks 3 can be fixed by loosening hands, the operation is simple, the moving blocks 3 and the mounting frames 4 are conveniently adjusted and fixed in position, the mounting frames 4 are suitable for the lower die holders 11 and the upper die holders 22 with different sizes by adjusting the positions of the moving blocks 3, the processing of blanks with different sizes can be carried out, the applicability is improved, the top of the bottom plate 1 is provided with two, the two sliding blocks 32 are respectively and slidably mounted inside the two sliding grooves 12, when the moving block 3 moves on the top of the bottom plate 1, the two sliding blocks 32 on the bottom of the moving block 3 move inside the two sliding grooves 12 on the top of the bottom plate 1, and the stability of the moving block 3 during moving can be improved through mutual matching between the sliding blocks 32 and the sliding grooves 12.

The utility model discloses a theory of operation is: during operation, two ends of a blank are placed between the two mounting frames 4, then the two bolts 42 are screwed downwards to enable the two pressing plates 421 to press the two ends of the blank, the blank is fixed, the blank can be placed and fixed conveniently, the stability during blank processing is improved, the processing effect and quality are improved, the blank and the two mounting frames 4 are extruded by the upper die base 22 to move downwards during operation, after the blank is contacted with the lower die base 11, the blank is drawn and formed through the mutual cooperation between the upper die base 22 and the lower die base 11, the formed blank can be automatically popped upwards through the resilience of the spring 311 after the blank is formed, the blank and the lower die base 11 are separated by a certain distance, the workpiece taking operation of workers is facilitated, and the working efficiency can be improved.

The above-mentioned, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The drawing die for the front wall of the passenger car is characterized by comprising a bottom plate (1) and a top plate (2) fixedly mounted above the bottom plate (1), wherein the top of the bottom plate (1) is fixedly connected with a lower die holder (11) in a threaded manner, the top of the top plate (2) is fixedly connected with a connecting block (21), and the bottom of the top plate (2) is fixedly connected with an upper die holder (22) in a threaded manner;

the top of the bottom plate (1) is slidably provided with two moving blocks (3) which are symmetrically distributed, the lower die holder (11) is positioned between the two moving blocks (3), the inner side wall of each moving block (3) is slidably provided with an installation frame (4), each installation frame (4) is of a v-21274structure, the inner side wall of each moving block (3) is provided with an installation groove (31), one side wall, close to each moving block (3), of each installation frame (4) is fixedly connected with an installation plate (41), each installation plate (41) is slidably installed in each installation groove (31), the bottom of each installation groove (31) is fixedly connected with a plurality of springs (311), and the top ends of the springs (311) are fixedly connected with the bottoms of the installation plates (41);

the left side and the right side of the top of the bottom plate (1) are fixedly connected with mounting blocks (13), the inner portions of the mounting blocks (13) are in threaded connection with screw rods (131), and the screw rods (131) are rotatably connected with the outer side wall of the moving block (3).

2. The drawing die for the front wall of the passenger car as claimed in claim 1, wherein a bolt (42) is screwed inside the top end of the mounting frame (4), and the top end of the bolt (42) is located outside the top end of the mounting frame (4).

3. The drawing die for the front wall of the passenger car as claimed in claim 2, wherein a pressing plate (421) is rotatably connected to the bottom end of the bolt (42), and the pressing plate (421) is located inside the mounting frame (4).

4. The drawing die for a front wall of a passenger car according to claim 1, wherein the mounting groove (31) and the mounting plate (41) are both of a T-shaped structure.

5. The drawing die for the front wall of the passenger car as claimed in claim 1, wherein the top of the bottom plate (1) is provided with two symmetrically distributed sliding chutes (12).

6. The drawing die for the front wall of the passenger car as claimed in claim 5, wherein two symmetrically distributed sliding blocks (32) are fixedly connected to the bottom end of the moving block (3), and the two sliding blocks (32) are respectively and slidably mounted inside the two sliding grooves (12).

7. The drawing die for the front wall of the passenger car as claimed in claim 1, wherein the bottom end of the mounting frame (4) is located above the lower die base (11).