Forming die for limiting cover plate of shock absorber

Abstract

The utility model provides a shock absorber limiting cover plate forming die which is characterized in that a male die positioning plate is connected to the center of the bottom of an upper die plate through a screw rod, and a male die plate is connected to the bottom end of the male die positioning plate through a screw rod; the female die plate is arranged under the male die plate, a first cavity is formed in the center of the top of the female die plate, a discharging center bending forming block is arranged in the center of the first cavity, and a second cavity is formed in the position, close to the vertex angle of the female die plate, of one side of the first cavity. The upper die plate is arranged right below the convex die plate, the lower die plate is arranged right below the concave die plate, and a concave die positioning plate is arranged between the lower die plate and the concave die plate. The left side and the right side, with different heights, of a part are formed through the two triple-positioning cavities respectively, the middle discharging bending forming block is used as a discharging platform and a punch before and after die assembly, and therefore the damper limiting cover plate can be formed in a stamping mode at a time.

Description

Technical Field

[0001] The utility model relates to the field of mold design, in particular to the technical field of one-time molding of a limit cover plate of a shock absorber, and specifically is a molding mold for a limit cover plate of a shock absorber. Background Art

[0002] When processing a shock absorber limit cover, it is necessary to bend and shape the sheet material that has been punched to transform it from a flat part into a three-dimensional part. Because the shock absorber limit cover has a complex shape with multiple curved surfaces, and the bottom of the left and right sides of the part are not in the same plane, one high and one low, and the middle of one side of the part needs to be bent. If a bending machine and a stamping machine are used, multiple processing steps are required, which is time-consuming and labor-intensive and not suitable for mass production. It is necessary to design a mold that can stamp it out in one go. Summary of the invention

[0003] In view of the above-mentioned shortcomings of the prior art, the purpose of the present invention is to provide a shock absorber limiting cover plate forming die to solve the difficulties of the prior art.

[0004] In order to achieve the above-mentioned purpose and other related purposes, the utility model provides a shock absorber limit cover plate forming mold, comprising:

[0005] An upper mold plate 1, wherein a punch positioning plate 11 is provided in the middle of the bottom of the upper mold plate 1 through a screw rod, an upper mold stopper column 12 is provided in the middle of the bottom end of the upper mold plate 1 on the left and right sides of the punch positioning plate 11 through a screw rod, and a guide sleeve 13 is provided on the left and right sides of the bottom end of the upper mold plate 1 close to the diagonal direction;

[0006] A convex mold plate 2, wherein the convex mold plate 2 is connected to the bottom end of the convex mold positioning plate 11 by a screw rod;

[0007] A concave mold plate 3 is arranged directly below the convex mold plate 2, a first mold cavity 31 is provided in the middle of the top of the concave mold plate 3, the first mold cavity 31 is T-shaped, a material discharging center bending forming block 36 is provided in the middle of the first mold cavity 31, and a second mold cavity 32 is provided on one side of the first mold cavity 31 near the top corner of the concave mold plate 3;

[0008] The lower template 4 is arranged directly below the concave template 3, and a concave mold positioning plate 41 is arranged between the lower template 4 and the concave template 3. The lower template 4, the concave mold positioning plate 41 and the concave template 3 are connected by screws. The top of the lower template 4 is located on the outside of the concave mold positioning plate 41 and is connected with a lower mold stop column 42 by a screw. The lower mold stop column 42 is arranged directly below the upper mold stop column 12, and a guide column 43 is arranged on one side of the upper mold stop column 12. The top of the guide column 43 is stuck in the guide sleeve 13, and the guide column 43 is connected to the lower template 4 by a screw.

[0009] According to the preferred embodiment, a punch 21 is provided in the middle of the bottom of the convex mold plate 2 through a bolt connection, and the punch 21 is located directly above the No. 1 cavity 31. A central bending clearance groove 22 is provided in the middle of the punch 21. The bottom end of the punch 21 is located at the central bending clearance groove 22, and several limit stop grooves 23 are provided on the outside of the direction away from the No. 2 cavity 32. The front and rear sides of the punch 21 close to the No. 2 cavity 32 are right angles, and the side of the punch 21 away from the No. 2 cavity 32 is an arc surface, and the bottom of the punch 21 away from the No. 2 cavity 32 is provided with a guide fillet 24.

[0010] According to a preferred embodiment, the center bending clearance groove 22 is located directly above the center bending forming block 36 of the material discharge, and the inner diameter of the center bending clearance groove 22 is larger than the sum of the outer diameter of the center bending forming block 36 of the material discharge and the thickness of the material sheet.

[0011] According to the preferred embodiment, the bottom end of the No. 1 cavity 31 is located outside the bending forming block 36 in the middle of the material discharge, and a plurality of limit stop blocks 33 are arranged, and the top of the limit stop block 33 is stuck in the limit stop groove 23.

[0012] According to the preferred embodiment, a plurality of sheet metal arc side positioning blocks 34 are provided on the top of the concave template 3 away from the side of the No. 2 cavity 32 through a screw connection. One side of the sheet metal arc side positioning block 34 is located directly above the No. 1 cavity 31 and extends toward the direction of the bending forming block 36 in the center of the material discharge.

[0013] According to a preferred embodiment, a punch rod 25 is provided at the bottom of the male mold plate 2 on one side of the male mold 21 close to the second cavity 32 , and the bottom of the punch rod 25 is stuck in the second cavity 32 .

[0014] According to the preferred embodiment, a closing hole 35 is provided on both sides of the front and rear sides of the top of the concave mold plate 3 away from the second mold cavity 32, and a male and female mold positioning rod 26 is passed through the bottom end of the male mold plate 2 just above the closing hole 35, and the bottom of the male and female mold positioning rod 26 is stuck in the closing hole 35.

[0015] The utility model adopts an upper template, a convex template, a central bending groove, a punch rod, a concave template, a No. 1 cavity, a No. 2 cavity, a central bending forming block for material discharge and a lower template, and adopts triple positioning of two cavities to respectively form the left and right sides of the parts with different heights, and the central bending forming block for material discharge is used as a material discharge platform and a punch before and after the mold is closed, so that the shock absorber limit cover plate can be stamped and formed in one time.

[0016] The best embodiment of the present invention will be described in more detail below in conjunction with the accompanying drawings so that the features and advantages of the present invention can be easily understood. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1The display is a three-dimensional structural schematic diagram of the utility model;

[0018] Figure 2 It shows an enlarged schematic diagram of the structure of the convex template of the upper template in the utility model;

[0019] Figure 3 The diagram shows an enlarged schematic diagram of the structure of the concave template of the lower template in the utility model;

[0020] Figure 4 Shown is a schematic diagram of the placement of the material plate before the mold is closed in the present invention;

[0021] Figure 5 The figure shows a schematic diagram of the molded part after mold closing and before unloading of the present invention;

[0022] Figure 6 It shows a schematic diagram of a flat plate member and a three-dimensional formed member in the present invention;

[0023] Description of symbols

[0024] 1. Upper mold plate; 11. Punch positioning plate; 12. Upper mold stop column; 13. Guide sleeve;

[0025] 2. Convex template; 21. Punch; 22. Center bending clearance groove; 23. Limit stop groove; 24. Guide fillet; 25. Punch rod; 26. Convex and concave die positioning rod;

[0026] 3. Concave mold plate; 31. Cavity No. 1; 32. Cavity No. 2; 33. Limit stop block; 34. Arc side positioning block of the material plate; 35. Mold closing hole; 36. Bending forming block in the middle of material discharge;

[0027] 4. Lower mold plate; 41. Concave mold positioning plate; 42. Lower mold stop column; 43. Guide column; DETAILED DESCRIPTION

[0028] In order to make the purpose, technical solution and advantages of the technical solution of the utility model clearer, the technical solution of the embodiment of the utility model will be clearly and completely described in conjunction with the drawings of the specific embodiments of the utility model. The same figure marks in the drawings represent the same parts. It should be noted that the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Based on the described embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0029] Compared with the embodiments shown in the drawings, feasible implementations within the scope of protection of the present invention may have fewer components, other components not shown in the drawings, different components, differently arranged components, or differently connected components, etc. In addition, two or more components in the drawings may be implemented in a single component, or a single component shown in the drawings may be implemented as multiple separate components.

[0030] Unless otherwise defined, the technical terms or scientific terms used herein shall have the usual meanings understood by persons with ordinary skills in the field to which the utility model belongs. The words "first", "second" and similar words used in the specification and claims of the utility model patent application do not indicate any order, quantity or importance, but are only used to distinguish different components. Similarly, words such as "one" or "one" do not necessarily indicate quantity restrictions. Words such as "include" or "comprise" mean that the elements or objects appearing before the word include the elements or objects listed after the word and their equivalents, without excluding other elements or objects. Words such as "connect" or "connected" are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "Up", "down", "left", "right" and the like are only used to indicate relative positional relationships. When the absolute position of the described object changes, the relative positional relationship may also change accordingly.

[0031] The utility model provides a shock absorber limit cover plate forming die, which is used in the die design process. The utility model comprises an upper die plate 1, a convex die plate 2, a central bending clearance groove 22, a punch rod 25, a concave die plate 3, a first cavity 31, a second cavity 32 and a lower die plate 4, which are particularly suitable for one-time stamping forming of a shock absorber limit cover plate with a complex shape and multiple curved surfaces.

[0032] In general, the shock absorber limit cover plate forming mold proposed by the utility model mainly includes: an upper template 1, a convex template 2, a central bending groove 22, a punch 25, a concave template 3, a No. 1 cavity 31, a No. 2 cavity 32, a central bending forming block 36 for material discharge, and a lower template 4, wherein, it can be seen that Figure 1 , which shows the arrangement relationship of the upper template 1, the male template 2, the male mold 21, the central bending clearance groove 22, the punch 25, the female template 3, the No. 1 cavity 31, the No. 2 cavity 32, the central bending forming block 36 for unloading and the lower template 4.

[0033] The utility model provides a shock absorber limit cover plate forming die. When in use, the upper template 1 and the lower template 4 are installed on a punching machine. Figure 4As shown, the material plate of the shock absorber limit cover plate of the flat part is placed on the bending forming block 36 in the middle of the material discharge, and the arc surface on one side of the material plate of the shock absorber limit cover plate is fitted with the arc side positioning block 34 of the material plate to realize the positioning of the material plate of the shock absorber limit cover plate. Because the bottoms of the left and right sides of the three-dimensional shock absorber limit cover plate are high and low and not in the same plane after processing, the corresponding cavities 31 and 32 are designed, and because the center of the shock absorber limit cover plate is a positioning joint and also needs to be bent, the bending forming block in the middle of the material discharge is 36 plays a role in positioning and supporting the material sheet when the mold is opened. After the mold is closed, the punch 21 and the punch rod 25 press the material sheet into the No. 1 cavity 31 and the No. 2 cavity 32 to form it. At the same time, the central joint part of the material sheet is bent along the outer contour of the central bending forming block 36 of the material discharge. The central bending clearance groove 22 is fitted with the outer wall part of the central joint of the shock absorber limit cover plate forming material that has been bent to prevent excessive bending. Subsequently, the punching machine is directly driven to drive the upper template 1 downward to complete the mold closing of the convex template 2 and the concave template 3, and the processing can be directly carried out. Figure 5 The three-dimensional molded material of the shock absorber limit cover plate is shown.

[0034] A punch positioning plate 11 is provided in the middle of the bottom of the upper template 1 through a screw connection, an upper mold stop column 12 is provided on the left and right sides of the punch positioning plate 11 in the middle of the bottom end of the upper template 1, and a guide sleeve 13 is provided on the left and right sides of the bottom end of the upper template 1 near the diagonal direction, the lower template 4 is provided directly below the concave template 3, a concave mold positioning plate 41 is provided between the lower template 4 and the concave template 3, the lower template 4, the concave mold positioning plate 41 and the concave template 3 are connected by screws, and the top of the lower template 4 is located on the outside of the concave mold positioning plate 41 through A lower mold stop column 42 is provided in the screw connection, and the lower mold stop column 42 is arranged directly below the upper mold stop column 12. A guide column 43 is provided on one side of the upper mold stop column 12, and the top of the guide column 43 is stuck in the guide sleeve 13. The guide column 43 is connected to the lower mold plate 4 through the screw, wherein the guide column 43 and the guide sleeve 13 play a first re-positioning role when the upper and lower molds are closed. The upper mold stop column 12 and the lower mold stop column 42 prevent overshoot and reduce the pressure on the guide column 43 and the guide sleeve 13 during mold closing and stamping, thereby extending the service life.

[0035] The above-mentioned convex mold plate 2 is arranged at the bottom end of the convex mold positioning plate 11 through a screw connection, and a convex mold 21 is arranged in the middle of the bottom of the convex mold plate 2 through a bolt connection. The convex mold 21 is located directly above the No. 1 cavity 31, and a central bending clearance groove 22 is arranged in the middle of the convex mold 21, which is used to limit the joint part that needs to be bent in the middle of the shock absorber limiting cover plate. The bottom end of the convex mold 21 is located at the central bending clearance groove 22 away from the No. 2 cavity 32. Several limiting stop grooves 23 are arranged on the outside, one of which plays a role in positioning the specific stamping position when the mold is closed. It belongs to the third positioning function in the entire mold and prevents To stop the position of the material plate from shifting during the mold closing process, the front and rear sides of the punch 21 close to the No. 2 cavity 32 are right angles, the side of the punch 21 away from the No. 2 cavity 32 is an arc surface, and a guide fillet 24 is provided at the bottom of the punch 21 away from the No. 2 cavity 32, which is used to guide the bending of the arc surface on one side of the shock absorber limit cover plate. The bottom of the punch template 2 is located on the side of the punch 21 close to the No. 2 cavity 32 and is penetrated by a punch rod 25, the bottom of the punch rod 25 is stuck in the No. 2 cavity 32, and a stamping shaping is performed on the surface of a lower interface on the side away from the arc surface of the shock absorber limit cover plate.

[0036] The above-mentioned concave template 3 is arranged directly below the convex template 2, and a No. 1 cavity 31 is opened in the middle of the top of the concave template 3. The No. 1 cavity 31 is T-shaped, and a material discharge center bending forming block 36 is arranged in the middle of the No. 1 cavity 31, which serves as a placement and positioning platform before stamping and mold closing, and serves as a shaping punch after stamping and mold closing. A No. 2 cavity 32 is arranged on one side of the No. 1 cavity 31 near the top corner of the concave template 3, and the bottom end of the No. 1 cavity 31 is located at the outside of the material discharge center bending forming block 36. A plurality of limit stop blocks 33 are arranged, and the top of the limit stop block 33 is stuck in the limit stop groove 23, and the top of the concave template 3 is away from the No. 2 cavity 32. Several arc side positioning blocks 34 of the material sheet are connected by screws. One side of the arc side positioning block 34 of the material sheet is located just above the No. 1 cavity 31 and extends toward the direction of the bending forming block 36 in the middle of the material discharge. A closing hole 35 is provided on the front and rear sides of the top of the concave template 3 away from the No. 2 cavity 32. A male and female die positioning rod 26 is penetrated by the bottom end of the male template 2 just above the closing hole 35. The bottom of the male and female die positioning rod 26 is stuck in the closing hole 35, which plays a positioning role in the closing between the No. 1 cavity 31 and the punch 21 during the stamping process, and belongs to the second positioning role in the overall mold.

[0037] The above embodiments are merely illustrative of the principles and effects of the present invention, and are not intended to limit the present invention. Anyone familiar with the technology may modify or alter the above embodiments without departing from the spirit and scope of the present invention. Therefore, all equivalent modifications or alterations made by a person of ordinary skill in the art without departing from the spirit and technical concept disclosed in the present invention shall still be covered by the claims of the present invention.

Claims

1. A shock absorber limit cover plate forming mold, characterized in that: include: An upper mold plate (1), wherein a punch positioning plate (11) is provided in the middle of the bottom of the upper mold plate (1) via a screw rod, an upper mold stop column (12) is provided in the middle of the bottom end of the upper mold plate (1) on the left and right sides of the punch positioning plate (11) via a screw rod, and guide sleeves (13) are provided on the left and right sides of the bottom end of the upper mold plate (1) in a direction close to the diagonal direction; A convex mold plate (2), wherein the convex mold plate (2) is arranged at the bottom end of the convex mold positioning plate (11) via a screw connection; A concave mold plate (3), the concave mold plate (3) being arranged directly below the convex mold plate (2), a first mold cavity (31) being provided in the center of the top of the concave mold plate (3), the first mold cavity (31) being T-shaped, a material discharge center bending forming block (36) being provided in the center of the first mold cavity (31), and a second mold cavity (32) being provided on one side of the first mold cavity (31) near the top corner of the concave mold plate (3); A lower mold plate (4), wherein the lower mold plate (4) is arranged directly below the concave mold plate (3), a concave mold positioning plate (41) is arranged between the lower mold plate (4) and the concave mold plate (3), the lower mold plate (4), the concave mold positioning plate (41) and the concave mold plate (3) are connected by screws, the top end of the lower mold plate (4) is located on the outside of the concave mold positioning plate (41) and is provided with a lower mold stop column (42) via a screw connection, the lower mold stop column (42) is arranged directly below the upper mold stop column (12), a guide column (43) is arranged on one side of the upper mold stop column (12), the top of the guide column (43) is stuck in the guide sleeve (13), and the guide column (43) is connected to the lower mold plate (4) via a screw.

2. The shock absorber limiting cover plate forming mold according to claim 1, characterized in that: A punch (21) is provided in the middle of the bottom of the convex mold plate (2) by bolt connection, the punch (21) is located directly above the No. 1 cavity (31), a central bending clearance groove (22) is provided in the middle of the punch (21), a plurality of limit stop grooves (23) are provided on the outside of the bottom end of the punch (21) in the direction away from the No. 2 cavity (32) in the direction of the central bending clearance groove (22), the front and rear sides of the punch (21) close to the No. 2 cavity (32) are right angles, the side of the punch (21) away from the No. 2 cavity (32) is an arc surface, and the bottom of the side of the punch (21) away from the No. 2 cavity (32) is provided with a guide fillet (24).

3. The shock absorber limiting cover plate forming mold according to claim 2, characterized in that: The bottom end of the No. 1 mold cavity (31) is located at the outside of the bending forming block (36) in the middle of the material discharge, and a plurality of limit stop blocks (33) are arranged, and the top of the limit stop block (33) is stuck in the limit stop groove (23).

4. The shock absorber limiting cover plate forming mold according to claim 3, characterized in that: A plurality of sheet metal arc side positioning blocks (34) are provided on the top of the concave mold plate (3) away from the second mold cavity (32) via screw connection, and one side of the sheet metal arc side positioning block (34) is located directly above the first mold cavity (31) and extends toward the direction of the bending forming block (36) in the middle of the material discharge.

5. The shock absorber limiting cover plate forming mold according to claim 4, characterized in that: A punch rod (25) is provided on the bottom of the male mold plate (2) at one side of the male mold (21) close to the second mold cavity (32), and the bottom of the punch rod (25) is stuck in the second mold cavity (32).

6. The shock absorber limiting cover plate forming mold according to claim 5, characterized in that: The top of the female mold plate (3) is provided with a mold closing hole (35) on both sides of the front and rear sides in a direction away from the second mold cavity (32); a male and female mold positioning rod (26) is penetrated at the bottom end of the male mold plate (2) just above the mold closing hole (35); and the bottom of the male and female mold positioning rod (26) is stuck in the mold closing hole (35).

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