CN218925903U

CN218925903U - Punching forming die for cylinder body of air storage tank

Info

Publication number: CN218925903U
Application number: CN202223123552.0U
Authority: CN
Inventors: 王胜全; 梁平; 黄林辉; 李子轩; 卜少佳; 薄立满
Original assignee: Anhui Tuopusi Auto Parts Co ltd
Current assignee: Anhui Tuopusi Auto Parts Co ltd
Priority date: 2022-11-23
Filing date: 2022-11-23
Publication date: 2023-04-28
Anticipated expiration: 2032-11-23

Abstract

The utility model provides a punching and forming die for a cylinder body of an air storage tank, which comprises the following components: a bottom plate; the mandrel is horizontally arranged, a plurality of female die inserts are arranged at the top end of the mandrel, one end of the mandrel is connected with a fixing seat, and the fixing seat can vertically move up and down relative to the bottom plate; the upper die plate is positioned above the mandrel, the upper die plate can move up and down in the vertical direction, the punch heads are arranged at the positions, corresponding to the female die inserts, of the bottom of the upper die plate, the pressing heads are arranged at the bottom ends of the punch heads and can slide on the punch heads, third elastic pieces are sleeved outside the punch heads, and two ends of each third elastic piece are connected with the upper die plate and the pressing heads respectively. According to the utility model, after the cylinder is flattened by the flat head, the hole is punched by the punch, so that the precision of the hole can be effectively ensured, the subsequent welding quality can be improved after the punched part of the cylinder is flattened, the welding defect is avoided, and the problem of insufficient bursting pressure of the air storage tank is avoided.

Description

Punching forming die for cylinder body of air storage tank

Technical Field

The utility model relates to the technical field of punching equipment, in particular to a punching forming die for a cylinder body of an air storage tank.

Background

With the increasing rise of the automobile industry, the weight reduction of automobiles is a development trend, in the field of electric automobiles, an air storage tank is key equipment of a vacuum brake booster system of the electric automobile, the structure and performance of the air storage tank are key factors for determining the working effect of the whole vacuum brake booster system, the joint Kong Fanduo of an air storage tank cylinder body is high in precision requirement, laser cutting or hydraulic inner side punching is generally adopted for punching of the joint hole of the air storage tank cylinder body at present, however, the punching precision of the two methods cannot be guaranteed, the punching is inconvenient for subsequent welding, welding defects exist, and the blasting pressure of the air storage tank is reduced.

Disclosure of Invention

Based on the technical problems in the background technology, the utility model provides a punching forming die for a cylinder body of an air storage tank.

The utility model provides a punching and forming die for a cylinder body of an air storage tank, which comprises the following components:

a bottom plate;

the mandrel is horizontally arranged, a plurality of female die inserts are arranged at the top end of the mandrel, one end of the mandrel is connected with a fixing seat, and the fixing seat can vertically move up and down relative to the bottom plate;

the upper die plate is positioned above the mandrel, the upper die plate can move up and down in the vertical direction, the punch heads are arranged at the positions, corresponding to the female die inserts, of the bottom of the upper die plate, the pressing heads are arranged at the bottom ends of the punch heads and can slide on the punch heads, third elastic pieces are sleeved outside the punch heads, and two ends of each third elastic piece are connected with the upper die plate and the pressing heads respectively.

Preferably, the bottom end of the fixing base is provided with a plurality of sliding holes which are vertically arranged, the bottom plate is provided with a plurality of lower guide posts which are vertically arranged, the plurality of lower guide posts respectively extend into the plurality of sliding holes and are in sliding fit with the fixing base, a second elastic piece is sleeved on the lower guide posts, which is positioned between the fixing base and the bottom plate, and two ends of the second elastic piece are respectively connected with the fixing base and the bottom plate.

Preferably, the sliding holes penetrate through the fixed seat, a plurality of upper guide posts which are vertically arranged are arranged at the bottom of the upper template, and the plurality of upper guide posts respectively extend into the plurality of sliding holes and are in sliding fit with the fixed seat.

Preferably, the top end of the fixing seat is provided with a third elastic piece.

Preferably, the elasticity of the third elastic member is greater than the elasticity of the second elastic member.

Preferably, the second elastic member is a spring, and the third elastic member is an elastic member made of polyurethane material.

Preferably, the first elastic member is an elastic member made of polyurethane material.

Preferably, the device further comprises a rear seat, wherein the rear seat is arranged below one end, far away from the fixing seat, of the mandrel and is arranged on the bottom plate, and the top surface of the rear seat is provided with an arc-shaped groove matched with the mandrel.

Preferably, both sides of the fixing seat are connected with extension blocks, the bottom of the upper template is provided with extension columns which are vertically arranged and are positioned above the extension blocks, and the top ends of the extension blocks are provided with fourth elastic pieces which are coaxially arranged with the extension columns.

Preferably, the fourth elastic member is an elastic member made of polyurethane material.

According to the punching forming die for the cylinder body of the air storage tank, provided by the utility model, through the arrangement of the mandrel, the die insert, the punch, the flattening head and the first elastic piece, when punching, the upper die plate is pressed down, the upper die plate presses down the fixing seat to enable the fixing seat to descend to the lowest point, so that the mandrel descends to the lowest point, the flattening head and the die insert firstly contact products, the flattening head flattens the punching part of the cylinder body under the action of the elastic force of the first elastic piece, the upper die plate continues to press down, the first elastic piece is compressed, and the punch slides downwards in the flattening head to punch the cylinder body; according to the utility model, after the cylinder is flattened by the flat head, the hole is punched by the punch, so that the precision of the hole can be effectively ensured, the subsequent welding quality can be improved after the punched part of the cylinder is flattened, the welding defect is avoided, and the problem of insufficient bursting pressure of the air storage tank is avoided;

according to the utility model, the rear seat is arranged, the rear seats are provided with the rear grooves, when the mandrel descends to the lowest point, the arc-shaped grooves of the rear seat are attached to the mandrel, at the moment, the front section and the rear end of the mandrel are horizontal, and the mandrel is ensured not to incline during punching;

according to the utility model, through setting the number of female die inserts and punches, the multi-hole punching is realized once, and the mandrel is stable and cannot collapse during punching; and the female die inserts can be arranged at different positions of the mandrel, and the mandrel is driven to rotate so that the female die inserts at different positions are aligned with the punches, so that the punching at different positions of the cylinder body is realized.

Drawings

FIG. 1 is a schematic structural view of a punch forming die for a cylinder of an air storage tank;

FIG. 2 is a cross-sectional view of a punch forming die for a cylinder of an air storage tank, provided by the utility model;

fig. 3 is a schematic structural diagram of a mandrel in a punch forming die for a cylinder body of an air storage tank;

fig. 4 is a schematic structural view of a punch in a punch forming die for a cylinder body of an air storage tank.

Detailed Description

Referring to fig. 1-4, the utility model provides a punching forming die for a cylinder body of an air storage tank, which comprises the following components:

a base plate 1;

the mandrel 2 is horizontally arranged, a plurality of female die inserts 3 are arranged at the top end of the mandrel 2, one end of the mandrel 2 is connected with a fixed seat 4, a plurality of sliding holes which are vertically arranged are formed in the bottom end of the fixed seat 4, a plurality of lower guide posts 9 which are vertically arranged are arranged on the bottom plate 1, the plurality of lower guide posts 9 respectively extend into the plurality of sliding holes and are in sliding fit with the fixed seat 4, a second elastic piece 10 is sleeved on the lower guide posts 9 at a position between the fixed seat 4 and the bottom plate 1, and two ends of the second elastic piece 10 are respectively connected with the fixed seat 4 and the bottom plate 1;

the upper die plate 5 is positioned above the mandrel 2, sliding holes penetrate through the fixed seat 4, a plurality of upper guide posts 11 which are vertically arranged are arranged at the bottom of the upper die plate 5, and the plurality of upper guide posts 11 respectively extend into the plurality of sliding holes and are in sliding fit with the fixed seat 4; the bottom of the upper die plate 5 and the corresponding positions of the die inserts 3 are respectively provided with a punch 6, the bottom end of each punch 6 is provided with a flattening head 7, the flattening heads 7 can slide on the punches 6, the punches 6 are sleeved with first elastic pieces 13, and two ends of each first elastic piece 13 are respectively connected with the upper die plate 5 and the flattening heads 7;

the back seat 8 is arranged below one end, far away from the fixed seat 4, of the mandrel 2 and is arranged on the bottom plate 1, and the top surface of the back seat 8 is provided with an arc-shaped groove 14 matched with the mandrel 2.

In a specific embodiment, the top end of the fixing base 4 is provided with a third elastic member 12, and the elasticity of the third elastic member 12 is greater than that of the second elastic member 10.

In a specific embodiment, the second elastic member 10 is a spring, and the third elastic member 12 is an elastic member made of polyurethane material.

In a specific embodiment, the first elastic member 13 is an elastic member made of polyurethane material.

In a specific embodiment, in order to ensure the stability of the die during punching, extension blocks 15 are connected to two sides of the fixing seat 4, an extension column 16 vertically arranged is arranged at the bottom of the upper die plate 5, the extension column 16 is located above the extension block 15, a fourth elastic piece 17 coaxially arranged with the extension column 16 is arranged at the top end of the extension block 15, and the fourth elastic piece 17 is an elastic piece made of polyurethane material.

The working principle of the utility model is as follows:

firstly, a cylinder a is sleeved on a mandrel 2, after the cylinder a is assembled in place, an upper template 5 is driven to press downwards, an upper guide post 11 slides downwards in a sliding hole, the upper template 5 is contacted with a third elastic piece 12, a flattening head 7 is contacted with the cylinder a, and as the elasticity of the third elastic piece 12 is larger than that of a second elastic piece 10, the second elastic piece 10 is compressed when the upper template 5 continues to press downwards, and a fixing seat 4 drives the mandrel 2 to move downwards simultaneously;

when the second elastic piece 10 is compressed to the extreme, the mandrel 2 descends to the lowest point, the mandrel 2 is attached to the arc-shaped groove 14 of the rear seat 8, at the moment, the front section and the rear end of the mandrel 2 are horizontal, meanwhile, the first elastic piece 13 is compressed, and the flattening head 7 is matched with the die insert 3 under the action of the first elastic piece 13 to flatten the punching part of the cylinder a;

the upper die plate 5 continues to be pressed down, the third elastic piece 12 is compressed, the first elastic piece 13 is compressed to the greatest extent, and the upper die plate 5 drives the punch 6 to be pressed down to finish punching the cylinder a.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims

1. The utility model provides a gas holder barrel punching die which characterized in that includes:

a bottom plate (1);

the mandrel (2) is horizontally arranged, a plurality of female die inserts (3) are arranged at the top end of the mandrel (2), one end of the mandrel (2) is connected with a fixing seat (4), and the fixing seat (4) can vertically move relative to the bottom plate (1);

the upper die plate (5), cope match-plate pattern (5) are located dabber (2) top and cope match-plate pattern (5) can do the vertical direction reciprocate, cope match-plate pattern (5) bottom all is provided with drift (6) with each die mold insert (3) corresponding position, drift (6) bottom is provided with and presses flat head (7) and flattens head (7) and can slide on drift (6), drift (6) overcoat is equipped with first elastic component (13), first elastic component (13) both ends are connected with cope match-plate pattern (5), flattening head (7) respectively.

2. The punching forming die for the air storage tank cylinder body according to claim 1, wherein a plurality of sliding holes which are vertically arranged are formed in the bottom end of the fixed seat (4), a plurality of lower guide posts (9) which are vertically arranged are arranged on the bottom plate (1), the plurality of lower guide posts (9) respectively extend into the plurality of sliding holes and are in sliding fit with the fixed seat (4), a second elastic piece (10) is sleeved on the lower guide posts (9) at a position between the fixed seat (4) and the bottom plate (1), and two ends of the second elastic piece (10) are respectively connected with the fixed seat (4) and the bottom plate (1).

3. The punching and forming die for the air storage tank cylinder body according to claim 2, wherein the sliding holes penetrate through the fixed seat (4), a plurality of upper guide posts (11) which are vertically arranged are arranged at the bottom of the upper die plate (5), and the plurality of upper guide posts (11) respectively extend into the plurality of sliding holes and are in sliding fit with the fixed seat (4).

4. A gas holder cylinder punch forming die according to any one of claims 1-3, wherein a third elastic member (12) is provided at the top end of the fixing base (4).

5. The air tank cylinder punching forming die according to claim 4, characterized in that the elasticity of the third elastic member (12) is larger than the elasticity of the second elastic member (10).

6. The punch-forming die for the cylinder body of the air storage tank according to claim 5, wherein the second elastic member (10) is a spring, and the third elastic member (12) is an elastic member made of polyurethane material.

7. A gas holder cylinder punch forming die according to any one of claims 1-3, wherein the first elastic member (13) is an elastic member made of polyurethane material.

8. A gas holder cylinder punching forming die according to any one of claims 1-3, further comprising a rear seat (8), wherein the rear seat (8) is located below one end of the mandrel (2) away from the fixing seat (4) and is mounted on the bottom plate (1), and an arc-shaped groove (14) matched with the mandrel (2) is formed in the top surface of the rear seat (8).

9. A gas holder cylinder punching forming die according to any one of claims 1-3, characterized in that extension blocks (15) are connected to both sides of the fixing base (4), an extension column (16) arranged vertically is arranged at the bottom of the upper die plate (5), the extension column (16) is located above the extension block (15), and a fourth elastic piece (17) arranged coaxially with the extension column (16) is arranged at the top end of the extension block (15).

10. The punch-forming die for cylinder bodies of air tanks according to claim 9, characterized in that the fourth elastic member (17) is an elastic member made of polyurethane material.