Die pushing type switch type quick change structure

Abstract

The utility model provides a die pushing type switch type quick change structure. The die pushing type switch type quick change structure comprises a handle, a drawing elastic pin, a pushing block, a punch assembly, a reset spring and a limiting block. The handle and the drawing elastic pin are fixed to the push block, the punch assembly is pushed to move downwards for punching, the punch assembly comprises a driving block, a punch and a reset spring, the handle is adopted to push the push block to enable a groove of the push block and a protrusion of the driving block to be fixedly matched and pressed downwards, and the driving block and the punch are in a punching working state and a punching non-working state respectively. And the punch is fixed on the clamping plate insert, so that the punch can be quickly replaced in the clamping plate insert to adapt to punching positioning machining sizes of workpieces with different specifications, the working efficiency is improved, and the workpieces can be quickly clamped when being clamped.

Description

Technical Field

[0001] The utility model relates to the technical field of mold design and manufacturing, in particular to a mold push-type switch-type quick-change structure. Background Art

[0002] With the rapid development of the new energy vehicle market, the speed of vehicle model updates and iterations has increased significantly, resulting in more frequent product replacements for automotive stamping parts. Many parts can be changed to another upgraded product without major changes. A typical example is that one product has more holes, convexities, or holes, while another product has fewer such holes, convexities, or holes. Therefore, the question arises whether it is necessary to open a new set of molds for production. If the production uses a shared mold, the general structure can only use quick-change inserts of the same appearance. When changing to different products for production, the mold parts are manually disassembled and replaced by fitters. With traditional manual disassembly and replacement, if the parts are large and the mold is large or the space is small, it is difficult to implement quick disassembly on the punch press. The upper and lower molds must be separated, and the parts must be replaced individually. And there are the following disadvantages:

[0003] 1. Quick-change parts require additional management and storage, increasing management costs;

[0004] 2. Because the appearance of quick-change parts is the same, it is impossible to prevent reverse installation, and there is a risk of mismatching the male and female molds, which may cause a major installation risk of mold explosion;

[0005] 3. Due to the difference between the specifications of quick-change parts and the size and function of the mold, it is sometimes necessary to replace additional large plate parts. It is impossible to quickly switch production on the punch press in real time and effectively;

[0006] 4. Remaking the mold requires additional costs such as mold manufacturing, site storage, and maintenance, resulting in high product unit prices and low economic benefits. Utility Model Content

[0007] The utility model provides a mold push-type switch type quick-change structure, which adopts a handle to push the push block so that the groove of the push block and the protrusion of the driving block are fixedly matched and pressed down, respectively driving the block and the punch for stamping working and non-working states, and the punch is fixed to the clamping plate insert, and the punch can be quickly replaced in the clamping plate insert, which is suitable for the stamping positioning processing dimensions of workpieces of different specifications, improves work efficiency, and enables fast clamping when clamping the workpiece.

[0008] In order to solve the above problems, the utility model provides a mold-push switch-type quick-change structure, including a handle, a pull-out elastic pin, a push block, a punch assembly, a reset spring and a limit block; the handle and the pull-out elastic pin are fixed on the push block, and the handle pushes the pull-out elastic pin to move, and pushes the punch assembly to move downward for stamping, and the punch assembly includes a drive block, a punch and a reset spring, and the drive block is connected and fixed with a splint insert, and the splint insert fixes the punch and the reset spring.

[0009] Preferably, the drawing elastic pin is fixedly matched with the two positioning holes of the upper die seat, and is shifted to different positions by the handle, and can be replaced to achieve working stamping or non-working state.

[0010] Preferably, the protrusion of the driving block cooperates with the groove of the pushing block to be slidably fixed.

[0011] The protrusion of the driving block cooperates with the groove of the pushing block, and the punch moves up and is in a non-working state without punching.

[0012] The driving block is located on the plane of the push block, and moves to the left to the limit block. There is no groove matching between the driving block and the push block, and the driving block moves downward to realize the stamping work.

[0013] Preferably, the four return springs are respectively positioned in the spring holes of the drive block and the splint insert, and the lower ends are connected and positioned with the stripper plate, and elastic deformation pushes the drive block and the punch to move up and down.

[0014] Preferably, the driving block is located in the sliding hole of the upper back plate, and its bottom end is fixed in the clamping plate insert.

[0015] The driving block is located in the sliding hole of the upper back plate, and its bottom end is fixed in the clamping plate insert. The driving block can slide up and down in the sliding hole, so that the driving block slides up and down, driving the punch to move up and down to realize the punching and stamping work.

[0016] Preferably, the punch is fixed in the splint insert, and the punch is connected and fixed to the drive block.

[0017] The punch is fixed in the clamp plate insert and is connected and fixed to the driving block. The punch can be replaced in the clamp plate insert, which is convenient for replacing the punches of different stamping parts and improves the stamping work efficiency.

[0018] Preferably, the cleat insert is slidable in the upper pad and the cleat.

[0019] The punch is fixed in the clamping plate insert, and the punch is connected and fixed to the driving block. The clamping plate insert can slide in the upper pad and the clamping plate, thereby driving the punch to move up and down to realize the stamping work.

[0020] Preferably, the lower end of the punch can descend through the lower die plate and punch the part.

[0021] Preferentially, the drive block moves downward, compressing the return spring.

[0022] The driving block moves downward to compress the return spring. The compression potential energy of the return spring makes the driving block ejected when the groove of the push block cooperates with the protrusion of the driving block, so that the punch moves up and is in a non-stamping working state.

[0023] Preferably, one end of the limit block positions and fixes the right end position of the push block, pressing the driving block to move downward, so that the punch is in a punching working state.

[0024] The beneficial effects of the utility model are as follows: the push block is pushed by the handle, and the groove of the push block and the protrusion of the driving block are fixedly matched and pressed down at the two pin hole positioning positions of the upper die seat, and the driving block and the punch are fixed to the clamping plate insert, and move up and down to realize the punch punching working state and the punch moving up non-working state, so that the handle push type switch can quickly replace the punch in the clamping plate insert to adapt to the stamping positioning processing size of workpieces of different specifications, improve work efficiency, and achieve fast clamping when clamping the workpiece, and has the following advantages:

[0025] 1) Cost reduction: Significantly reduce the mold redesign and manufacturing costs caused by minor product changes.

[0026] 2) Efficiency improvement: The mold changeover time is greatly shortened, which improves production efficiency.

[0027] 3) Easy to operate: The structure design is intuitive and easy to understand, and no special skills are required to complete the operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Figure 1 It is a schematic diagram of the exploded structure of an embodiment of the utility model;

[0029] Figure 2 It is a schematic diagram of the cross-sectional structure of an embodiment of the utility model;

[0030] Figure 3 It is a schematic diagram of the assembly structure of an embodiment of the utility model.

[0031] Reference numerals

[0032] 1. Upper die seat; 2. Push block; 3. Limit block; 4. Upper back plate; 5. Drive block; 6. Clamp insert; 7. Return spring; 8. Punch; 9. Upper pad; 10. Upper clamp; 11. Pull-out elastic pin; 12. Handle; 13. Stripper plate; 14. Parts; 15. Concave die; 16. Lower template; 17. Lower pad; 18. Lower die seat. DETAILED DESCRIPTION

[0033] In order to more fully understand the technical content of the present invention, the technical solution of the present invention is further introduced and illustrated in conjunction with the accompanying drawings and specific embodiments, but is not limited thereto.

[0034] like Figures 1 to 3 As shown, a specific embodiment of the utility model is a mold-pushing switch-type quick-change structure, comprising a handle 12, a pulling elastic pin 11, a push block 2, a punch assembly, a reset spring 7 and a limit block 3; the handle 12 and the pulling elastic pin 11 are fixed on the push block 2, the handle 12 pushes the pulling elastic pin 11 to move, and pushes the punch assembly to move downward for punching, the punch assembly comprises a driving block 5, a punch 8 and a reset spring 7, the driving block 5 is connected and fixed with a splint insert 6, the splint insert 6 fixes the punch 8 and the reset spring 7.

[0035] Furthermore, the drawing elastic pin 11 is fixedly matched with the two positioning holes of the upper die seat 1, and is shifted to different positions through the handle 12, and can be replaced to realize working stamping or non-working state.

[0036] Furthermore, the protrusion of the driving block 5 cooperates with the groove of the pushing block 2 to be slidably fixed.

[0037] The protrusion of the driving block 5 cooperates with the groove of the pushing block 2, and is slidably fixed. The punch 8 moves upward and is in a non-working state without punching.

[0038] The driving block 5 is located in the plane of the pushing block 2, and moves to the left to the limiting block 3. There is no groove matching between the driving block 5 and the pushing block 2, and the driving block 5 moves downward to realize the stamping work.

[0039] Furthermore, four reset springs 7 are respectively positioned in the spring holes of the drive block 5 and the clamping plate insert 6, and the lower ends are connected and positioned with the stripper plate 13, and elastic deformation pushes the drive block 5 and the punch 8 to move up and down.

[0040] Furthermore, the driving block 5 is located in the sliding hole of the upper back plate 4 , and its bottom end is fixed in the clamping plate insert 6 .

[0041] The driving block 5 is located in the sliding hole of the upper back plate 4, and its bottom end is fixed in the clamping plate insert 6. The driving block 5 can slide up and down in the sliding hole, so that the driving block 5 slides up and down, driving the punch 8 to move up and down to realize the punching and stamping work.

[0042] Furthermore, a punch 8 is fixed in the splint insert 6 , and the punch 8 is connected and fixed to the driving block 5 .

[0043] The punch 8 is fixed in the splint insert 6 and is connected and fixed to the driving block 5. The punch 8 can be replaced in the splint insert 6, which is convenient for replacing the punch 8 for different stamping parts 14 and improves the stamping work efficiency.

[0044] Furthermore, the clamping plate insert 6 can be slidably located in the upper backing plate 9 and the upper clamping plate 10 .

[0045] The punch 8 is fixed in the clamping plate insert 6, and the punch 8 is connected and fixed to the driving block 5. The clamping plate insert 6 can slide in the upper pad 9 and the clamping plate, thereby driving the punch 8 to move up and down to realize the stamping work.

[0046] Furthermore, the lower end of the punch 8 can move downward through the lower die plate 16 and punch the part 14 .

[0047] Further, the driving block 5 moves downward, compressing the return spring 7 .

[0048] The driving block 5 moves downward, compressing the return spring 7. The compression potential energy of the return spring 7 causes the driving block 5 to be ejected when the groove of the push block 2 cooperates with the protrusion of the driving block 5, so that the punch 8 moves upward and is in a non-stamping working state.

[0049] Furthermore, one end of the limit block 3 positions and fixes the right end position of the push block 2, pressing the driving block 5 to move downward, so that the punch 8 is in a punching working state.

[0050] The mold structure of this embodiment further includes a concave mold 15 , an upper clamping plate 10 , a lower mold plate 16 , a lower pad 17 and a lower mold base 18 .

[0051] The workflow of this utility model is as follows:

[0052] 1) Working status (ON)

[0053] Process from non-working state to working state: the operator pulls the pull-out elastic pin 11 downward, pushes the handle 12 inward to make the push block 2 slide to the limit block 3, pulls the pull-out elastic pin 11 into the positioning hole, and drives the movable punch assembly downward through the first step of the push block 2 to reach the working position, and the punching work begins to take effect.

[0054] 2) Non-working state (OFF)

[0055] Process from working state to non-working state: the operator pulls the pull-out elastic pin 11 downward, pulls the handle 12 outward to make the push block 2 slide outward, and the pull-out elastic pin 11 automatically slides into the positioning hole, stops pulling, and the movable punch assembly moves upward through the spring pressure, and enters the limit position through the second step of the push block 2, reaching the non-working position, and the punching work begins to fail.

[0056] 3) This structure allows fast and safe switching of different punching working states without replacing the entire mold to meet the production requirements of similar products, greatly improving production efficiency and flexibility.

[0057] The beneficial effects of the utility model are as follows: the handle 12 is used to push the push block 2, and the groove of the push block 2 and the protrusion of the driving block 5 are fixedly matched and pressed down at the two pin hole positioning positions of the upper die seat 1, and the driving block 5 and the punch 8 are fixed to the clamping plate insert 6, and move up and down to realize the punching working state of the punch 8 and the non-working state of the punch 8 moving up, so that the handle 12 pushes the quick-change punch 8 of the switch, and the punch 8 can be quickly replaced in the clamping plate insert 6 to adapt to the stamping positioning processing dimensions of workpieces of different specifications, improve work efficiency, and achieve fast clamping when clamping the workpiece, and have the following advantages:

[0058] 1) Cost reduction: Significantly reduce the mold redesign and manufacturing costs caused by minor product changes.

[0059] 2) Efficiency improvement: The mold changeover time is greatly shortened, which improves production efficiency.

[0060] 3) Easy to operate: The structure design is intuitive and easy to understand, and no special skills are required to complete the operation.

[0061] The above description is only the preferred implementation mode of this patent and does not limit the scope of this patent. Any equivalent structure or equivalent process transformation made by using the contents of the specification and drawings, directly or indirectly used in other related technical fields, falls within the scope of protection of this patent.

Claims

1. A mold push switch type quick change structure, characterized in that: It includes a handle, a pulling elastic pin, a pushing block, a punch assembly, a reset spring and a limit block; the handle and the pulling elastic pin are fixed on the pushing block, the handle pushes the pulling elastic pin to move, and pushes the punch assembly to move downward for punching, the punch assembly includes a driving block, a punch and a reset spring, the driving block is connected and fixed with a splint insert, and the splint insert fixes the punch and the reset spring.

2. The mold push switch type quick change structure according to claim 1, characterized in that: The drawing elastic pin is fixedly matched with the two positioning holes of the upper die seat, and is replaced to realize working stamping or non-working state respectively by shifting the handle.

3. The mold push switch type quick change structure according to claim 1, characterized in that: The protrusion of the driving block cooperates with the groove of the pushing block to be slidably fixed.

4. The mold push switch type quick change structure according to claim 1, characterized in that: The four return springs are respectively positioned in the spring holes of the drive block and the clamping plate insert, and the lower ends are connected and positioned with the stripping plate, and elastic deformation pushes the drive block and the punch to move up and down.

5. The mold push switch type quick change structure according to claim 1, characterized in that: The driving block is located in the sliding hole of the upper back plate, and the bottom end thereof is fixed in the clamping plate insert.

6. The mold push switch type quick change structure according to claim 1, characterized in that: The punch is fixed in the splint insert, and the punch is connected and fixed to the driving block.

7. The mold push switch type quick change structure according to claim 1, characterized in that: The splint insert can be slidably located in the upper pad and the splint.

8. The mold push switch type quick change structure according to claim 1, characterized in that: The lower end of the punch can move downward through the lower die plate and punch the part.

9. The mold push switch type quick change structure according to claim 1, characterized in that: The drive block moves downward, compressing the return spring.

10. The mold push switch type quick change structure according to claim 1, characterized in that: One end of the limit block positions and fixes the right end position of the push block, so that the driving block of the punch is in a punching working state.

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