Sheet metal part stamping equipment

By designing a blanking component on the sheet metal punching press, the workpiece is pushed out from the outside of the upper template using the stamping kinetic energy, which solves the problem of U-shaped workpieces being difficult to remove, improves stamping efficiency and safety, and reduces energy consumption.

CN223801399UActive Publication Date: 2026-01-16HUBEI BOYIYUE TECHNOLOGY DEVELOPMENT CO LTD
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Patent Information

Application Number
CN202520296450.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-24
Publication Date
2026-01-16
Estimated Expiration
2035-02-24

AI Technical Summary

Technical Problem

Existing sheet metal punching presses often encounter difficulties in removing U-shaped workpieces from the die after stamping, resulting in low stamping efficiency and safety risks.

Method used

The blanking assembly is designed to use the kinetic energy of the stamping process to push the workpiece out from the outside of the upper die. The blanking assembly pushes the workpiece synchronously during the rise of the upper die. The power comes from the stamping kinetic energy, and the frequency is synchronized with the stamping, reducing energy loss.

Benefits of technology

It improves the convenience and safety of workpiece removal, increases stamping efficiency, and reduces energy consumption.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model belongs to the technical field of stamping, and particularly relates to sheet metal part stamping equipment which comprises a stamping machine, a stamping groove is formed in the stamping machine, a stamping fixing plate is vertically and movably arranged in the stamping groove, a hydraulic cylinder is arranged between the top of the stamping groove and the stamping fixing plate for connection, and an upper die plate is detachably installed at the bottom of the stamping fixing plate. A lower die plate is detachably installed at the bottom of the stamping groove, and a workpiece is placed at the position, corresponding to the lower portion of the upper die plate, of the top of the lower die plate. A discharging assembly is arranged on one side of the upper die plate and comprises a discharging column, and a connecting block is fixedly connected between the side, close to the stamping fixing plate, of the discharging column and the stamping fixing plate. According to the stamping die, a part of a stamped workpiece can be pushed out from the outer side of the upper die plate through the design of the discharging assembly, so that the stamped workpiece can be taken down by a worker more easily, the process is completed in the ascending process of the upper die plate, and power comes from kinetic energy generated in the stamping process.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to the stamping technical field, concretely relates to a sheet metal part stamping equipment. BACKGROUND

[0002] Sheet metal punch (also known as punch or punch) is a kind of stamping equipment commonly used in sheet metal processing, mainly used for stamping, cutting, forming and other operations to metal plate through die. Sheet metal punch is usually used to manufacture metal parts of various shapes, and is widely used in automobile, household appliance, electronic, communication and other industries.

[0003] Problems existing in prior art:

[0004] The existing sheet metal punch is difficult to take down when stamping some U-shaped workpieces, because the shape of the workpiece is special, and the workpiece will form a sleeve shape after stamping and be difficult to take down without grabbing point around. Usually, the workpiece is manually taken down by workers using tools, which not only reduces the stamping efficiency, but also exposes the arms and other body parts of the workers to the position of the punch during the process of taking down the workpiece, which may cause the workers to be squeezed by the equipment and be injured. UTILITY MODEL CONTENT

[0005] The utility model aims at providing a sheet metal part stamping equipment, which can push out a part of the workpiece from the outside of the upper die plate after stamping through the design of the blanking assembly, so that the workpiece can be easily taken down by workers. The process is completed during the lifting of the upper die plate, and the power comes from the kinetic energy generated during the stamping process. The pushing frequency is synchronized with the stamping, and the energy loss is reduced.

[0006] The technical scheme adopted by the utility model is as follows:

[0007] A sheet metal part stamping equipment, comprising: a punch press, a stamping groove is formed in the interior of the punch press, a stamping fixed plate is vertically movably arranged in the stamping groove, a hydraulic cylinder is connected between the top of the stamping groove and the stamping fixed plate, an upper die plate is detachably installed at the bottom of the stamping fixed plate, a lower die plate is detachably installed at the bottom of the stamping groove, and a workpiece is placed at the position corresponding to the lower side of the upper die plate on the top of the lower die plate.

[0008] One side of the upper die plate is provided with a blanking assembly, the blanking assembly comprises a blanking column, a connecting block is fixedly connected between the side of the blanking column close to the stamping fixed plate and the stamping fixed plate, limit guide plates are detachably installed at the both sides of the blanking column corresponding to the bottom of the stamping groove, and a push head is arranged at the output end of the blanking column corresponding to the position of the upper die plate.

[0009] The inside of the blanking column is slidably provided with a sliding column, one end of the sliding column close to the upper die plate is detachably provided with a push head, both sides of the sliding column are fixedly provided with sliding pins, the blanking column is provided with sliding grooves corresponding to the positions of the sliding pins, and the sliding column and the inner wall of the blanking column are fixedly provided with return springs.

[0010] Two sides of the blanking column close to the blanking column are provided with vertical guide grooves and horizontal guide grooves, the sliding pins are vertically and horizontally slid in the vertical guide grooves and the horizontal guide grooves respectively, the limiting guide plate is provided with a push cap at the bottom end position corresponding to the vertical guide groove, and one side of the limiting guide plate is provided with an inclined groove.

[0011] The limiting guide plate is provided with a limiting hole corresponding to the position of the push cap, the push cap and the inner wall of the limiting hole are fixedly connected with a push guide spring, and one side of the push cap close to the vertical guide groove is provided as an arc surface.

[0012] The utility model discloses obtain technical effect for:

[0013] The utility model discloses, through the design of blanking assembly, can push out the workpiece from the outside of upper die plate after stamping, thereby making it can be taken down more easily by staff.

[0014] The utility model discloses, through the workpiece of blanking assembly push out is completed in the process of the rise of upper die plate, and the power comes from the kinetic energy produced in the stamping process, and the frequency of pushing is synchronous with stamping, and the energy loss is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is the overall structure schematic diagram of the utility model;

[0016] Figure 2 It is the structure enlarged view of the stamping groove in the utility model;

[0017] Figure 3 It is the working schematic diagram of blanking assembly in the utility model;

[0018] Figure 4 It is the working schematic diagram of blanking assembly in the utility model;

[0019] Figure 5 It is the structure schematic diagram of blanking assembly in the utility model;

[0020] Figure 6 It is the structure sectional view of blanking column in the utility model;

[0021] Figure 7 It is the structure schematic diagram of push cap in the utility model.

[0022] In the drawings, the component list represented by each sign is as follows:

[0023] 1, punch press; 2, hydraulic cylinder; 3, punch fixed plate; 4, upper die plate; 5, workpiece; 6, lower die plate; 7, blanking assembly; 701, blanking column; 702, connecting block; 703, limiting guide plate; 704, push head; 705, sliding column; 706, sliding pin; 707, vertical guide groove; 708, push cap; 709, inclined groove; 710, transverse guide groove; 711, return spring; 712, push guide spring. DETAILED DESCRIPTION

[0024] In order to make the purpose and advantages of the utility model more clear and apparent, the utility model is specifically described below in combination with embodiments. It should be understood that the following text is only used to describe one or several specific embodiments of the utility model, and does not strictly limit the specific protection scope requested by the utility model.

[0025] As shown in Figure 1 - Figure 3 A sheet metal part stamping equipment, comprising: a punch press 1, a punch groove is formed in the interior of the punch press 1, a punch fixed plate 3 is vertically movably arranged in the punch groove, a hydraulic cylinder 2 is connected between the top of the punch groove and the punch fixed plate 3, an upper die plate 4 is detachably installed on the bottom of the punch fixed plate 3, a lower die plate 6 is detachably installed on the bottom of the punch groove, and a workpiece 5 is placed on the top of the lower die plate 6 corresponding to the position below the upper die plate 4.

[0026] Among them, first of all, the workpiece 5 is placed on the top of the lower die plate 6 during stamping, then the punch fixed plate 3 is pushed down by starting the hydraulic cylinder 2, and the workpiece 5 is stamped into a predetermined U shape by the upper die plate 4 and the lower die plate 6. At this time, the workpiece 5 will be set on the outside of the upper die plate 4 and need external force to take it down.

[0027] Referring to the accompanying Figure 2 - Figure 6 One side of the upper die plate 4 is provided with a blanking assembly 7, the blanking assembly 7 comprises a blanking column 701, a connecting block 702 is fixedly connected between one side of the blanking column 701 close to the punch fixed plate 3 and the punch fixed plate 3, limiting guide plates 703 are detachably installed on both sides of the blanking column 701 corresponding to the bottom of the punch groove, a push head 704 is arranged on the output end of the blanking column 701 corresponding to the position of the upper die plate 4; a sliding column 705 is slidably installed in the interior of the blanking column 701, one end of the sliding column 705 close to the upper die plate 4 is detachably installed with the push head 704, sliding pins 706 are fixedly connected on both sides of the sliding column 705, a sliding groove is formed in the blanking column 701 corresponding to the position of the sliding pin 706, and a return spring 711 is fixedly connected between the sliding column 705 and the inner wall of the blanking column 701.

[0028] According to the above structure, the push head 704 is arranged in parallel with the punched workpiece 5, when the workpiece 5 is sleeved outside the upper die plate 4, the push head 704 is moved to be close to the workpiece 5 and pushes the workpiece 5 to move by the limiting of the limiting guide plate 703 and the force of the upward movement of the stamping fixing plate 3, the push head 704 and the workpiece 5 move upward synchronously in the process of the upward movement of the stamping fixing plate 3, at this time, the workpiece 5 will extend out of the upper die plate 4 by half to facilitate the taking out by the staff.

[0029] Referring to the drawings Figure 2 Figure 7 The two limiting guide plates 703 are provided with vertical guide grooves 707 and horizontal guide grooves 710 on the side close to the blanking column 701, the sliding pins 706 vertically and horizontally slide in the vertical guide grooves 707 and the horizontal guide grooves 710 respectively, the limiting guide plate 703 is provided with a push cap 708 at the bottom end position corresponding to the vertical guide groove 707, and the limiting guide plate 703 is provided with an inclined groove 709 on one side; the limiting guide plate 703 is provided with a limiting hole at the position corresponding to the push cap 708, the push cap 708 is fixedly connected with a push spring 712 between the inner wall of the limiting hole, and the side close to the vertical guide groove 707 of the push cap 708 is provided as an arc surface.

[0030] According to the above structure, when the stamping fixing plate 3 is lowered to the lowest position, the sliding pin 706 moves to the lowest position along the vertical guide groove 707, during which the push cap 708 is pressed into the limiting groove, the push spring 712 is compressed, when the sliding pin 706 moves to the outside of the vertical guide groove 707, the push cap 708 returns to the original position under the action of the push spring 712 and pushes the sliding pin 706 to reach the position of the inclined groove 709, at this time, the return spring 711 is slightly stretched, with the upward movement of the stamping fixing plate 3, the sliding pin 706 also moves upward, at this time, the sliding pin 706 moves in the inclined direction of the inclined groove 709, the return spring 711 is stretched, the sliding column 705 and the push head 704 move towards the workpiece 5 and push the workpiece 5, when the stamping fixing plate 3 reaches the highest position, the sliding pin 706 also reaches the highest position, at this time, the sliding pin 706 slides into the intersection of the horizontal guide groove 710 and the vertical guide groove 707 through the horizontal guide groove 710 under the action of the return spring 711, so as to be synchronized with the punching workpiece 5.

[0031] The working principle of the utility model is as follows: firstly, the workpiece 5 is placed on the top of the lower die plate 6 during stamping, then the stamping fixing plate 3 is pushed downward by starting the hydraulic cylinder 2, the workpiece 5 is stamped into a predetermined U shape by the upper die plate 4 and the lower die plate 6, at this time, the workpiece 5 is sleeved outside the upper die plate 4 and needs external force to be taken down;

[0032] ​The push head 704 is arranged in parallel with the punched workpiece 5, when the workpiece 5 is sleeved outside the upper die plate 4, the push head 704 is moved to be close to the workpiece 5 and pushes the workpiece 5 to move by the limiting of the limiting guide plate 703 through the force of the rising of the punching fixing plate 3, the push head 704 and the workpiece 5 are synchronously moved upward in the process of the rising of the punching fixing plate 3, at this time, the workpiece 5 will extend out of the upper die plate 4 by half to facilitate the taking out of the workpiece 5 by the staff.

[0033] The above only is the preferred embodiment of the present application, it should be pointed out, for ordinary skilled in the art, without departing from the principles of the present application, under the premise of, can make a number of improvements and refinements, these improvements and refinements should also be considered the protection scope of the present application. The structure, device and operation method not specifically described and explained in the present application, if no special description and limitation, are implemented according to the conventional means in the art.

Claims

1. A sheet metal part stamping apparatus characterized by, Include: Punching machine (1), the inside of the punching machine (1) is provided with a punching groove, a punching fixed plate (3) is vertically movably arranged in the punching groove, a hydraulic cylinder (2) is connected between the top of the punching groove and the punching fixed plate (3), the bottom of the punching fixed plate (3) is detachably installed with an upper die plate (4), the bottom of the punching groove is detachably installed with a lower die plate (6), and the top of the lower die plate (6) is placed with a workpiece (5) corresponding to the position below the upper die plate (4); One side of the upper die plate (4) is provided with a blanking assembly (7), the blanking assembly (7) comprises a blanking column (701), the blanking column (701) is fixedly connected with a connecting block (702) between one side close to the punching fixed plate (3) and the punching fixed plate (3), the bottom of the punching groove is detachably installed with a limiting guide plate (703) corresponding to both sides of the blanking column (701), and the output end of the blanking column (701) is provided with a push head (704) corresponding to the position of the upper die plate (4).

2. The sheet metal part stamping apparatus of claim 1, wherein: The inside of the blanking column (701) is slidably installed with a sliding column (705), one end of the sliding column (705) close to the upper die plate (4) is detachably installed with the push head (704), and the both sides of the sliding column (705) are fixedly connected with sliding pins (706). The blanking column (701) is provided with a sliding groove corresponding to the position of the sliding pin (706), and the sliding pin (706) is fixedly connected with a reset spring (711) between the sliding column (705) and the inner wall of the blanking column (701).

3. The sheet metal part stamping apparatus of claim 2, wherein: Two limiting guide plates (703) are provided with vertical guide grooves (707) and horizontal guide grooves (710) on one side close to the blanking column (701), the sliding pins (706) are vertically and horizontally slid in the vertical guide grooves (707) and the horizontal guide grooves (710) respectively, the limiting guide plate (703) is provided with a push cap (708) corresponding to the bottom end position of the vertical guide groove (707), and the limiting guide plate (703) is provided with an inclined groove (709) on one side.

4. The sheet metal part stamping apparatus of claim 3, wherein: The limiting guide plate (703) is provided with a limiting hole corresponding to the position of the push cap (708), the push cap (708) and the inner wall of the limiting hole are fixedly connected with a push guide spring (712), and the push cap (708) is provided as a curved surface on one side close to the vertical guide groove (707).