Quick die changing device of stamping die

Abstract

The utility model belongs to the technical field of stamping machining, and discloses a rapid die changing device of a stamping die, which comprises a stamping table, a top plate is fixedly mounted on the rear side of the top end of the stamping table, a lifting plate is movably connected to the bottom end of the top plate, and linkage rods are movably connected to the left side of the stamping table and the left side of the lifting plate. The bottom end of the linkage rod is fixedly sleeved with a lower pull rod. Through the arrangement of the linkage rod, the lower pull rod, the upper pull rod, the insertion rod and the fixed seat, when the linkage rod is pulled, the linkage rod drives the lower pull rod and the upper pull rod to move outwards, so that the insertion rod is driven by a square block and a round rod to move along with the lower pull rod and the upper pull rod and compress a spring; and then the inserting rod is separated from the fixing base, locking of the inserting rod to the fixing base is relieved, and therefore the lower female die and the upper male die can be detached and replaced through the inserting rod and the fixing base, and rapid die replacement is facilitated.

Description

Technical Field

[0001] This utility model belongs to the field of stamping processing technology, specifically a quick mold changing device for stamping dies. Background Technology

[0002] Stamping dies utilize the power of a press to apply pressure to materials through dies mounted on the press, causing the materials to separate or undergo plastic deformation, thereby obtaining the desired parts. Stamping dies typically consist of an upper die and a lower die. The upper die is fixed on the slide of the press, and the lower die is fixed on the worktable. During operation, the material is fed between the dies, and when the upper die descends, the material is stamped by the punch to form the desired shape.

[0003] Due to the processing characteristics of stamping dies, they are widely used in the processing of mechanical parts. However, there are still shortcomings in actual use. Since different parts require different dies, different dies need to be changed during the actual stamping process. Most stamping dies are fixed by multiple sets of bolts. When disassembling and changing stamping dies, the bolts need to be tightened repeatedly, which makes the disassembly and replacement of dies in the stamping device relatively slow and inconvenient to quickly change stamping dies. Therefore, this needs to be improved. Utility Model Content

[0004] The purpose of this invention is to address the above-mentioned problems. This invention provides a quick die-changing device for stamping dies, which has the advantage of enabling rapid die changing.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a quick mold changing device for a stamping die, comprising a stamping table, a top plate fixedly installed on the rear side of the top of the stamping table, a lifting plate movably connected to the bottom end of the top plate, a linkage rod movably connected to the left side of both the stamping table and the lifting plate, a pull rod fixedly sleeved at the bottom end of the linkage rod, and an upper pull rod movably sleeved at the top of the outer surface of the linkage rod, the right ends of the pull rod and the upper pull rod respectively penetrating the stamping table and the lifting plate and extending into the interior of the stamping table and the lifting plate, and fixedly installed with two round rods, the two round rods being... The outer surfaces are respectively movably sleeved with the inner surfaces of the stamping table and the lifting plate. A square block is fixedly installed on the right end of each of the two round rods. A plug rod is fixedly installed on the right end of each square block. A fixed seat is movably sleeved on the outer surface of each plug rod. There are two square blocks, plug rods, and fixed seats. The outer surfaces of the two square blocks, plug rods, and fixed seats are respectively movably sleeved with the inner surfaces of the stamping table and the lifting plate. A spring located outside the round rod is fixedly installed on the left end of each of the two square blocks. There are two springs. The other ends of the two springs are respectively fixedly connected to the left inner wall of the stamping table and the lifting plate.

[0006] As a preferred embodiment of this utility model, a support plate located below the pull rod is fixedly installed on the left end of the stamping table. The top end of the support plate is movably connected to the bottom end of the pull rod. A bolt is threaded into the internal thread of the support plate, and the top of the outer surface of the bolt is movably connected to the inner surface of the bottom end of the linkage rod.

[0007] In a preferred embodiment of this invention, a lower die and an upper punch are fixedly mounted on the opposite surfaces of the two fixed seats, with the bottom end of the lower die movably connected to the top end of the stamping table, and the top end of the upper punch movably connected to the bottom end of the lifting plate.

[0008] As a preferred embodiment of this utility model, a hydraulic cylinder is fixedly installed at the top of the top plate, the bottom end of the hydraulic cylinder penetrates the top plate and extends to the bottom of the top plate and is fixedly connected to the top of the lifting plate, and a fixing block is fixedly installed at the top of the middle of the rear end of the stamping table.

[0009] As a preferred embodiment of this utility model, clamping rods are movably connected to the left and right sides of the top of the fixing block, and there are two clamping rods. Rubber pads are fixedly installed on the opposite surfaces of the two clamping rods.

[0010] In a preferred embodiment of this invention, a round shaft is movably sleeved on the right end of the fixing block, the top of the outer surface of the round shaft is fixedly sleeved on the inner surface of the clamping rod, and a driven gear is fixedly sleeved on the bottom of the outer surface of the round shaft, with the top of the driven gear movably connected to the bottom end of the fixing block.

[0011] In a preferred embodiment of this utility model, a servo motor is fixedly installed on the left side of the bottom end of the fixed block, and a rotating shaft is fixedly sleeved on the other end of the output shaft of the servo motor. The top end of the rotating shaft passes through the fixed block and extends to the top of the fixed block and is fixedly sleeved with the inner surface of the clamping rod. A drive gear is fixedly sleeved on the bottom of the outer surface of the rotating shaft. The top end of the drive gear is movably connected to the bottom end of the fixed block, and the outer surface of the drive gear is meshed with the outer surface of the driven gear.

[0012] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0013] 1. This utility model, by setting up a linkage rod, a pull rod, an upper pull rod, an insert rod, and a fixed seat, when the linkage rod is pulled, it will cause the pull rod to move outward along with the pull rod and the upper pull rod respectively. This causes the insert rod to move along with the pull rod and the upper pull rod under the action of the square block and the round rod, and compress the spring. This causes the insert rod to separate from the fixed seat, releasing the lock of the insert rod on the fixed seat. In this way, the lower die and the upper punch can be disassembled and replaced through the insert rod and the fixed seat, thus facilitating quick mold change.

[0014] 2. This utility model, by setting up clamping rods, a round shaft, a driven gear, a servo motor, and a driving gear, will cause the rotating shaft to drive the driving gear to rotate when the servo motor is started. Since the driving gear and the driven gear mesh with each other, the two clamping rods will rotate in opposite directions through the rotating shaft and the round shaft under the combined action of the driving gear and the driven gear, thereby clamping and fixing the upper punch and preventing the upper punch from falling out of the lifting plate in time when it is disassembled, thus improving the convenience of disassembling the upper punch. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the structure of this utility model;

[0016] Figure 2 This is a cross-sectional view of the front of the present invention;

[0017] Figure 3 This is a cross-sectional view of the bottom of the present invention;

[0018] Figure 4 This is a cross-sectional view of the circular shaft of this utility model;

[0019] Figure 5 for Figure 2 A magnified schematic diagram of the structure at point A in the middle.

[0020] In the diagram: 1. Pressing table; 2. Top plate; 3. Lifting plate; 4. Linkage rod; 5. Pull-down rod; 6. Pull-up rod; 7. Round rod; 8. Square block; 9. Insert rod; 10. Fixed seat; 11. Spring; 12. Support plate; 13. Bolt; 14. Lower die; 15. Upper punch; 16. Hydraulic cylinder; 17. Fixed block; 18. Clamping rod; 19. Rubber pad; 20. Round shaft; 21. Driven gear; 22. Servo motor; 23. Rotating shaft; 24. Drive gear. Detailed Implementation

[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0022] like Figures 1 to 5As shown, this utility model provides a quick mold changing device for a stamping die, including a stamping table 1. A top plate 2 is fixedly installed on the rear side of the top of the stamping table 1. A lifting plate 3 is movably connected to the bottom end of the top plate 2. A linkage rod 4 is movably connected to the left side of both the stamping table 1 and the lifting plate 3. A pull rod 5 is fixedly sleeved at the bottom end of the linkage rod 4. An upper pull rod 6 is movably sleeved at the top of the outer surface of the linkage rod 4. The right ends of the pull rod 5 and the upper pull rod 6 respectively penetrate through the stamping table 1 and the lifting plate 3 and extend into the interior of the stamping table 1 and the lifting plate 3, and are fixedly installed with round rods 7. There are two round rods 7, and the outer surfaces of the two round rods 7 are respectively connected to the stamping table 1. The inner surface of the lifting plate 3 is movably sleeved. Two square blocks 8 are fixedly installed on the right ends of the two round rods 7 respectively. A plug rod 9 is fixedly installed on the right end of the square block 8. A fixed seat 10 is movably sleeved on the outer surface of the plug rod 9. There are two square blocks 8, two plug rods 9 and two fixed seats 10. The outer surfaces of the two square blocks 8, two plug rods 9 and two fixed seats 10 are movably sleeved with the inner surfaces of the stamping table 1 and the lifting plate 3 respectively. Two springs 11 are fixedly installed on the left ends of the two square blocks 8, located outside the round rods 7 respectively. The other ends of the two springs 11 are fixedly connected to the left inner wall of the stamping table 1 and the lifting plate 3 respectively.

[0023] When the linkage rod 4 is pulled, it will cause the lower pull rod 5 and the upper pull rod 6 to move outward. This will cause the lower pull rod 5 and the upper pull rod 6 to move together with the round rod 7, the square block 8, and the insert rod 9, compressing the spring 11. This will cause the insert rod 9 to separate from the fixed seat 10, releasing the lock of the insert rod 9 on the fixed seat 10. At the same time, the linkage rod 4 and the upper pull rod 6 are movably connected, so the linkage rod 4 will not obstruct the downward movement of the upper pull rod 6 and the lifting plate 3. In this way, with the cooperation of the linkage rod 4, the insert rod 9, and the fixed seat 10, the stamping die can be quickly disassembled and replaced, thereby improving the convenience of die changing.

[0024] Among them, the left end of the stamping table 1 is fixedly installed with a support plate 12 located below the pull rod 5. The top end of the support plate 12 is movably connected to the bottom end of the pull rod 5. The internal thread of the support plate 12 is fitted with a bolt 13. The top of the outer surface of the bolt 13 is movably fitted to the inner surface of the bottom end of the linkage rod 4.

[0025] The presence of the support plate 12 and bolts 13 will lock the position of the linkage rod 4, thereby preventing the linkage rod 4 from being accidentally moved and causing the stamping die to fall off.

[0026] The lower die 14 and the upper punch 15 are fixedly installed on the opposite sides of the two fixed seats 10 respectively. The bottom end of the lower die 14 is movably connected to the top end of the stamping table 1, and the top end of the upper punch 15 is movably connected to the bottom end of the lifting plate 3.

[0027] The stamping operation can be completed by the cooperation of the lower die 14 and the upper punch 15.

[0028] A hydraulic cylinder 16 is fixedly installed at the top of the top plate 2. The bottom end of the hydraulic cylinder 16 passes through the top plate 2 and extends to the bottom of the top plate 2 and is fixedly connected to the top of the lifting plate 3. A fixing block 17 is fixedly installed at the top of the middle of the rear end of the stamping table 1.

[0029] When the hydraulic cylinder 16 is activated, the lifting plate 3 will move downward along with the upper punch 15, and the fixed block 17 will provide support and fixation.

[0030] Among them, the top left and right sides of the fixed block 17 are respectively movably connected with clamping rods 18, and there are two clamping rods 18. Rubber pads 19 are fixedly installed on the opposite sides of the two clamping rods 18.

[0031] When the two clamping rods 18 rotate in opposite directions with the rubber pads 19, the upper punch 15 can be clamped and fixed. At the same time, the presence of the rubber pads 19 will play a role in buffering protection and increasing friction, thereby making the clamping rods 18 clamp the upper punch 15 more firmly.

[0032] Among them, a round shaft 20 is movably sleeved on the right end of the fixing block 17, the top of the outer surface of the round shaft 20 is fixedly sleeved on the inner surface of the clamping rod 18, and a driven gear 21 is fixedly sleeved on the bottom of the outer surface of the round shaft 20, with the top of the driven gear 21 movably connected to the bottom end of the fixing block 17.

[0033] When the driven gear 21 rotates, the clamping rod 18 located on the right side of the top of the fixed block 17 will rotate along with it, driven by the round shaft 20.

[0034] A servo motor 22 is fixedly installed on the left side of the bottom end of the fixed block 17. A rotating shaft 23 is fixedly sleeved on the other end of the output shaft of the servo motor 22. The top end of the rotating shaft 23 passes through the fixed block 17 and extends to the top of the fixed block 17 and is fixedly sleeved with the inner surface of the clamping rod 18. A drive gear 24 is fixedly sleeved on the bottom of the outer surface of the rotating shaft 23. The top end of the drive gear 24 is movably connected to the bottom end of the fixed block 17. The outer surface of the drive gear 24 is meshed with the outer surface of the driven gear 21.

[0035] When the servo motor 22 is started, the rotating shaft 23 will rotate with the drive gear 24, which will cause the driven gear 21, which is meshed with the drive gear 24, to rotate in the opposite direction, and then cause the two clamping rods 18 to rotate in the opposite direction as well.

[0036] Working principle and usage process of this utility model:

[0037] When mold changing is required, the operator activates the hydraulic cylinder 16, causing the lifting plate 3 to move downwards along with the upper punch 15, thereby closing the upper punch 15 and the lower die 14. Then, the operator rotates the bolt 13, causing the bolt 13, which is threaded onto the support plate 12, to rotate downwards and separate from the linkage rod 4. Immediately afterward, the operator pulls the linkage rod 4, causing the linkage rod 4 to move outwards along with the lower pull rod 5 and the upper pull rod 6. This causes the lower pull rod 5 and the upper pull rod 6 to move along with the square block 8 and the insert rod 9 via the round rod 7, compressing the spring 11 until the insert rod 9 separates from the fixed seat 10, releasing the lock between the insert rod 9 and the fixed seat 10. Then, the operator activates the hydraulic cylinder 16 to reset the lifting plate 3, and then the lower die 14 and the upper punch 15 can be removed. This allows for quick disassembly and replacement of the stamping die, reducing the use of bolts and achieving rapid mold changing.

[0038] To prevent the upper punch 15 from failing to separate from the lifting plate 3 in time, before the lifting plate 3 rises and resets, the operator starts the servo motor 22, causing the rotating shaft 23 to rotate with the drive gear 24. This causes the driven gear 21, which meshes with the drive gear 24, to rotate in the opposite direction. Since the two clamping rods 18 are fixedly connected to the round shaft 20 and the rotating shaft 23 respectively, the two clamping rods 18 will rotate in the opposite direction along with the rubber pad 19, thereby clamping and fixing the upper punch 15 and preventing the upper punch 15 from failing to separate from the lifting plate 3 in time and falling during the rising of the lifting plate 3.

[0039] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0040] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A quick die-changing device for a stamping die, comprising a stamping table (1), characterized in that: A top plate (2) is fixedly installed on the rear side of the top of the stamping table (1). A lifting plate (3) is movably connected to the bottom end of the top plate (2). A linkage rod (4) is movably connected to the left side of both the stamping table (1) and the lifting plate (3). A pull rod (5) is fixedly sleeved at the bottom end of the linkage rod (4). An upper pull rod (6) is movably sleeved at the top of the outer surface of the linkage rod (4). The right ends of the pull rod (5) and the upper pull rod (6) pass through the stamping table (1) and the lifting plate (3) respectively and extend into the interior of the stamping table (1) and the lifting plate (3), and are fixedly installed with round rods (7). There are two round rods (7). The outer surfaces of the two round rods (7) are movably sleeved with the inner surfaces of the stamping table (1) and the lifting plate (3) respectively. A square block (8) is fixedly installed on the right end of each of the round rods (7). A plug rod (9) is fixedly installed on the right end of each square block (8). A fixed seat (10) is movably sleeved on the outer surface of the plug rod (9). There are two square blocks (8), two plug rods (9), and two fixed seats (10). The outer surfaces of the two square blocks (8), two plug rods (9), and two fixed seats (10) are movably sleeved on the inner surfaces of the stamping table (1) and the lifting plate (3), respectively. A spring (11) located outside the round rod (7) is fixedly installed on the left end of each of the two square blocks (8). There are two springs (11). The other ends of the two springs (11) are fixedly connected to the left inner wall of the stamping table (1) and the lifting plate (3), respectively.

2. The quick die changing device for a stamping die according to claim 1, characterized in that: The left end of the stamping table (1) is fixedly installed with a support plate (12) located below the pull rod (5). The top end of the support plate (12) and the bottom end of the pull rod (5) are movably connected. The internal thread of the support plate (12) is fitted with a bolt (13). The top of the outer surface of the bolt (13) and the inner surface of the bottom end of the linkage rod (4) are movably fitted.

3. The quick die changing device for a stamping die according to claim 1, characterized in that: The two fixed seats (10) are respectively fixedly installed with a lower die (14) and an upper punch (15) on their opposite sides. The bottom end of the lower die (14) is movably connected to the top end of the stamping table (1), and the top end of the upper punch (15) is movably connected to the bottom end of the lifting plate (3).

4. The quick die changing device for a stamping die according to claim 1, characterized in that: A hydraulic cylinder (16) is fixedly installed at the top of the top plate (2). The bottom end of the hydraulic cylinder (16) passes through the top plate (2) and extends to the bottom of the top plate (2) and is fixedly connected to the top of the lifting plate (3). A fixing block (17) is fixedly installed at the top of the middle of the rear end of the stamping table (1).

5. The quick die changing device for a stamping die according to claim 4, characterized in that: The top left and right sides of the fixed block (17) are respectively movably connected with clamping rods (18), and there are two clamping rods (18). Rubber pads (19) are fixedly installed on the opposite sides of the two clamping rods (18).

6. The quick die changing device for a stamping die according to claim 4, characterized in that: A round shaft (20) is movably sleeved on the right end of the fixed block (17). The top of the outer surface of the round shaft (20) is fixedly sleeved on the inner surface of the clamping rod (18). A driven gear (21) is fixedly sleeved on the bottom of the outer surface of the round shaft (20). The top of the driven gear (21) is movably connected to the bottom end of the fixed block (17).

7. A quick die-changing device for a stamping die according to claim 4, characterized in that: A servo motor (22) is fixedly installed on the left side of the bottom end of the fixed block (17). A rotating shaft (23) is fixedly sleeved on the other end of the output shaft of the servo motor (22). The top end of the rotating shaft (23) passes through the fixed block (17) and extends to the top of the fixed block (17) and is fixedly sleeved on the inner surface of the clamping rod (18). A drive gear (24) is fixedly sleeved on the bottom of the outer surface of the rotating shaft (23). The top end of the drive gear (24) is movably connected to the bottom end of the fixed block (17). The outer surface of the drive gear (24) meshes with the outer surface of the driven gear (21).

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