Dish-shaped end socket punch forming device

Abstract

The utility model discloses a dish-shaped end socket punch forming device, which relates to the technical field of dish-shaped end socket production, and comprises a support main body, a hydraulic cylinder, an upper die and a lower die assembly, the support main body consists of a workbench, a fixed upright post and a top seat, and the lower die assembly comprises a lower die distributed right below the upper die. A demolding assembly is arranged on the lower surface of the lower mold and used for achieving automatic disengaging operation of the formed dish-shaped end socket and the upper mold. Through the arrangement of the demolding assembly, the downwards-moving dish-shaped end socket extrudes the demolding abutting block to rotate downwards, when the upper edge of the dish-shaped end socket moves downwards to the position below the demolding abutting block, the demolding abutting block is overturned upwards to be in the horizontal state under the action of reset elastic force of the torsional spring, and when the hydraulic cylinder moves reversely to drive the upper mold to move upwards, the demolding abutting block is overturned upwards to be in the horizontal state. The upper edge of the forming dish-shaped end socket is in contact with the lower surface of the stripping abutting block and is limited by the stripping abutting block so that the forming dish-shaped end socket cannot continue to move upwards, and therefore the forming dish-shaped end socket can be separated from the upper mold, and automatic demolding operation is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to disc head production technical field, concretely is a disc head punch forming device. BACKGROUND

[0002] The head refers to the element used to close the end of the container to isolate the internal and external medium, also called end cover, disc head refers to the head composed of part of the spherical shell, circular arc edge and good edge three parts, disc head is shallow, the requirement of punch equipment and die is low, so it is convenient to manufacture, and it is less used in pressure container, only in the occasion of low pressure and requirement of reducing head depth or lack of die.

[0003] When the disc head is in punch forming, the formed disc head is wrapped outside the upper die, and it is often difficult to separate, based on this, a disc head punch forming device is provided. UTILITY MODEL CONTENTS

[0004] The utility model discloses a disc head punch forming device.

[0005] To achieve the above object, the utility model provides the following technical scheme: a disc head punch forming device, including the support main body that is composed of workbench, fixed stand, top seat, four fixed stands are set up, four fixed stand is fixed in workbench top four end angle department position, top seat is fixed in four fixed stand top, the top center position of top seat is installed hydraulic cylinder, the output of hydraulic cylinder is fixed with upper die and penetrates to top seat below, the middle area of workbench and top seat is provided with lower die assembly, lower die assembly includes the lower die that distributes in the lower surface of lower die is provided with stripping assembly, stripping assembly is used for realizing the automatic drop operation of the formed disc head and upper die;

[0006] The stripping assembly includes a fixed base, a stripping block, a convex shaft and a torsional spring.

[0007] The convex shaft is provided with two convex shafts, and the two convex shafts are distributed on the side away from each other of the two fixed bases.

[0008] The downward moving disc-shaped head extrudes the material removing block downwardly, and after the upper edge of the disc-shaped head moves downwardly to below the material removing block, the material removing block is upwardly reset for limiting the upward movement of the disc-shaped head, so as to realize the separation and falling of the disc-shaped head from the upper mold when the upper mold moves upwardly.

[0009] As a further scheme of the utility model: the upper surface of the material removing block at the inner side of the lower mold is arc surface structure, and the lower surface is plane structure.

[0010] As a further scheme of the utility model: the demolding assembly is uniformly provided with multiple groups with the center of the circle of the lower mold, and the inner ring diameter of the distribution track of the multiple material removing blocks in the multiple groups is greater than the maximum outer diameter of the upper mold and less than the inner side diameter of the top of the formed disc-shaped head.

[0011] As a further scheme of the utility model: the lower mold assembly further comprises a supporting column, a 7-shaped supporting arm and a fixed horizontal arm.

[0012] The supporting column is provided with three, the three supporting columns are uniformly distributed and fixed to the lower surface of the lower mold along a one hundred and eighty degree angle, the fixed horizontal arm is fixed between the two fixed vertical columns, the 7-shaped supporting arm is fixed to one end of the outer wall of the lower mold and is fixedly connected with the fixed horizontal arm, and the 7-shaped supporting arm is uniformly distributed with the three supporting columns along a three hundred and sixty degree angle.

[0013] As a further scheme of the utility model: the distribution diameter of the three supporting columns is greater than the top outer diameter of the formed disc-shaped head, and the height of the supporting column is greater than the height of the formed disc-shaped head.

[0014] Compared with the prior art, the utility model has the beneficial effects that:

[0015] By setting the demolding assembly, the downward moving disc-shaped head extrudes the material removing block downwardly, when the upper edge of the disc-shaped head moves downwardly to below the material removing block, the material removing block is upwardly flipped to the horizontal state under the reset elastic force of the torsion spring, when the hydraulic cylinder reversely operates to drive the upward movement of the upper mold, the upper edge of the formed disc-shaped head contacts with the lower surface of the material removing block and is limited by the material removing block and cannot continue to move upwardly, so that the disc-shaped head is separated from the upper mold, and the automatic demolding operation is realized. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a structural schematic view of the utility model;

[0017] Figure 2 It is a structural schematic view of another view of the utility model;

[0018] Figure 3 It is a structural schematic view of another view of the utility model; Figure 2 It is an enlarged view of position A.

[0019] In the figure: 1, support body; 101, workbench; 102, fixed column; 103, top seat; 2, hydraulic cylinder; 3, upper die; 4, lower die assembly; 401, lower die; 402, support column; 403, 7-shaped support arm; 404, fixed cross arm; 5, demolding assembly; 501, fixed base; 502, material removal block; 503, convex shaft; 504, torsional spring. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0021] Please refer to Figures 1-3 In the embodiments of the present application, a disc-shaped head stamping forming device comprises a support body 1 composed of a workbench 101, a fixed column 102 and a top seat 103. The fixed column 102 is provided with four fixed columns 102, which are fixed to the top four corner parts of the workbench 101. The top seat 103 is fixed to the top of the four fixed columns 102. The top center position of the top seat 103 is provided with a hydraulic cylinder 2. The output end of the hydraulic cylinder 2 penetrates through the top seat 103 and is fixed with an upper die 3 below the top seat 103. The middle region of the workbench 101 and the top seat 103 is provided with a lower die assembly 4. The lower die assembly 4 comprises a lower die 401 distributed directly below the upper die 3. The lower surface of the lower die 401 is provided with a demolding assembly 5, which is used to realize the automatic falling operation of the formed disc-shaped head and the upper die 3.

[0022] The demolding assembly 5 comprises a fixed base 501, a material removal block 502, a convex shaft 503 and a torsional spring 504.

[0023] The fixed base 501 is provided with two fixed bases 501, which are symmetrically fixed to the lower surface of the lower die 401. The material removal block 502 is distributed at the middle position of the two fixed bases 501. One end of the material removal block 502 extends to the inner region of the lower die 401.

[0024] The convex rotating shaft 503 is provided with two, and the two convex rotating shafts 503 are distributed on the side away from each other of the two fixed bases 501, and the convex rotating shaft 503 penetrates the fixed base 501 and is fixedly connected with the material stripping block 502, the torsional spring 504 is sleeved outside the small diameter part of the convex rotating shaft 503 and is distributed between the fixed base 501 and the large diameter part of the convex rotating shaft 503, and the two ends of the torsional spring 504 are fixedly connected with the fixed base 501 and the large diameter part of the convex rotating shaft 503 respectively, for providing upward thrust for the convex rotating shaft 503 and the material stripping block 502;

[0025] The downwardly moving disc-shaped head extrudes the material stripping block 502 to turn downward, and after the upper edge of the disc-shaped head moves downward to below the material stripping block 502, the material stripping block 502 is reset upward to limit the upward movement of the disc-shaped head, so as to realize the separation and falling of the disc-shaped head from the upper die 3 when the upper die 3 moves upward;

[0026] The upper surface of the material stripping block 502 located at the inner side of the lower die 401 is in arc surface structure, and the lower surface is in plane structure;

[0027] The plurality of material stripping blocks 502 in the plurality of demolding assemblies 5 are evenly arranged with the center of the lower die 401 as the center, the inner ring diameter of the distribution track of the plurality of material stripping blocks 502 is greater than the maximum outer diameter of the upper die 3, and is less than the inner diameter of the top of the formed disc-shaped head.

[0028] In the embodiment, when the device is used, the cut steel plate raw material is placed in the lower die 401, then the hydraulic cylinder 2 is started to drive the upper die 3 to move downward, the upper die 3 contacts the steel plate raw material to extrude it, and the disc-shaped head is formed under the cooperation of the lower die 401 (it needs to be supplemented that the lower die 401 and the upper die 3 have the same structure as the disc-shaped head punch press mold in the market, and the details of the mold are not expanded here);

[0029] The formed disc-shaped head passes through the lower die 401 to below the lower die 401, in this process, the downwardly moving disc-shaped head contacts the arc surface of the material stripping block 502 and extrudes it, so that the material stripping block 502 rotates downward with the convex rotating shaft 503 as the center, and the torsional spring 504 is further twisted and deformed, so that the downward movement of the disc-shaped head is not affected, when the upper edge of the disc-shaped head moves downward to below the material stripping block 502, the material stripping block 502 loses the extrusion force and turns upward to the horizontal state under the reset elastic force of the torsional spring 504 (it needs to be pointed out that the upper surface of the material stripping block 502 is attached to the lower surface of the lower die 401 at this time);

[0030] Then, the hydraulic cylinder 2 reverses to drive the upper die 3 to move upwards, and the formed dished head covered outside the upper die 3 is driven to move upwards, when the upper edge of the formed dished head contacts with the lower surface of the stripping block 502, the stripping block 502 cannot continue to rotate upwards and the lower surface is a straight surface, so that the formed dished head cannot continue to move upwards, and the upper die 3 continues to move upwards to reset, so that the formed dished head is separated from the upper die 3, and the automatic stripping operation is realized.

[0031] Please refer to Figures 1-2 , the lower die assembly 4 further comprises a support column 402, a 7-shaped support arm 403 and a fixed cross arm 404.

[0032] The support column 402 is provided with three, and the three support columns 402 are evenly distributed and fixed to the lower surface of the lower die 401 along a one hundred and eighty degree angle, the fixed cross arm 404 is fixed between the two fixed vertical columns 102, and the 7-shaped support arm 403 is fixed to one end of the outer wall of the lower die 401 and is fixedly connected with the fixed cross arm 404, and the 7-shaped support arm 403 is evenly distributed with the three support columns 402 along a three hundred and sixty degree angle.

[0033] The distribution diameter of the three support columns 402 is greater than the outer diameter of the top of the formed dished head, and the height of the support column 402 is greater than the height of the formed dished head.

[0034] In the embodiment: through the structure of the three support columns 402, the gap of the three support columns 402 is used to provide a material taking space for the formed dished head, and the three support columns 402, the 7-shaped support arm 403 and the fixed cross arm 404 can realize uniform support in the circumferential direction of the lower die 401, so as to ensure the force balance of the lower die 401.

[0035] The above is only a preferred specific embodiment of the present application, but the protection scope of the present application is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A disc-shaped end cap stamping forming device, comprising a support body (1) consisting of a worktable (101), fixed columns (102), and a top seat (103), wherein four fixed columns (102) are provided, the four fixed columns (102) are fixed to the four corners of the top of the worktable (101), the top seat (103) is fixed to the top of the four fixed columns (102), a hydraulic cylinder (2) is installed at the center of the top of the top seat (103), and the output end of the hydraulic cylinder (2) extends through to the bottom of the top seat (103) where an upper mold (3) is fixed, characterized in that, A lower mold assembly (4) is provided in the middle area between the workbench (101) and the top seat (103). The lower mold assembly (4) includes a lower mold (401) distributed directly below the upper mold (3). A demolding assembly (5) is provided on the lower surface of the lower mold (401). The demolding assembly (5) includes a fixed base (501), a material ejection block (502), a convex rotating shaft (503), and a torsion spring (504). Two fixed bases (501) are provided and the two fixed bases (501) are symmetrically fixed to the lower surface of the lower mold (401). The stripping block (502) is distributed in the middle position of the two fixed bases (501), and one end of the stripping block (502) extends to the inner area of ​​the lower mold (401). Two convex rotating shafts (503) are provided. The two convex rotating shafts (503) are distributed on the side of the two fixed bases (501) that are far apart from each other. The convex rotating shafts (503) pass through the fixed bases (501) and are fixedly connected to the material ejection block (502). The torsion spring (504) is sleeved on the outside of the small diameter part of the convex rotating shaft (503) and distributed in the middle between the fixed bases (501) and the large diameter parts of the convex rotating shaft (503). The two ends of the torsion spring (504) are fixedly connected to the fixed bases (501) and the large diameter parts of the convex rotating shaft (503) respectively.

2. The disc-shaped end cap stamping forming device according to claim 1, characterized in that, The stripping block (502) has an arc-shaped upper surface and a planar lower surface on the inner side of the lower mold (401).

3. The disc-shaped end cap stamping forming device according to claim 1, characterized in that, The demolding component (5) is uniformly arranged with the center of the lower mold (401) as the center. The inner ring diameter of the distribution trajectory of the multiple material ejection blocks (502) in the multiple demolding components (5) is greater than the maximum outer diameter of the upper mold (3) and smaller than the inner diameter of the top of the formed dish head.

4. The disc-shaped end cap stamping forming device according to claim 1, characterized in that, The lower mold assembly (4) also includes a support column (402), a 7-shaped support arm (403), and a fixed cross arm (404). Three support columns (402) are provided. The three support columns (402) are evenly distributed and fixed to the lower surface of the lower mold (401) at an angle of 180 degrees around the circumference. The fixed horizontal arm (404) is fixed between the two fixed columns (102). The 7-shaped support arm (403) is fixed to one end of the outer wall of the lower mold (401) and is fixedly connected to the fixed horizontal arm (404). The 7-shaped support arm (403) and the three support columns (402) are evenly distributed at 360 degrees around the circumference.

5. The disc-shaped head stamping forming device according to claim 4, characterized in that, The distribution diameter of the three support columns (402) is greater than the top outer diameter of the formed dish head, and the height of the support columns (402) is greater than the height of the formed dish head.

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