Rapid die changing device for stamping die
By designing a quick mold change device that combines the double-head screw driven by hydraulic cylinder and the clamping hole, the problem of slow disassembly and assembly of existing stamping devices is solved, and the rapid replacement of stamping molds and protection of cavity plates is achieved.
Patent Information
- Application Number
- CN202421181143.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-28
- Publication Date
- 2025-04-15
- Estimated Expiration
- 2034-05-28
AI Technical Summary
The mold fixing method on the existing stamping device is mostly multiple bolts, which leads to slow disassembly and assembly of the mold, and rust on the bolt head will make replacement more troublesome.
A quick mold change device for stamping molds is designed, and a hydraulic cylinder drives a double-head screw, which realizes rapid disassembly and assembly of the mold through the coordination of the clamping column and the hole, and the pressure of the cavity plate is shared through the threaded rod and the second threaded cylinder to avoid deformation of the cavity plate.
It realizes rapid replacement of stamping molds, improves mold change efficiency, and protects the cavity plate, avoiding obstructions in mold change operations caused by deformation of the cavity plate.
Smart Images

Figure CN222754221U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of stamping processing, in particular to a quick die changing device for a stamping die. Background Art
[0002] Stamping is a production technology that uses the power of conventional or special stamping equipment to directly subject sheet metal to deformation force in the die, thereby obtaining product parts with certain shapes, sizes and performances. Sheet metal, die and equipment are the three elements of stamping.
[0003] In the actual stamping process, different shapes are formed by impacting different dies. The shape of the die corresponds to the shape of the sheet metal. To produce different sheet metal shapes, different dies need to be used, which requires the die and power equipment to be able to be disassembled and assembled.
[0004] However, the molds on the existing stamping devices are generally fixed by multiple bolts, which makes the disassembly and assembly of the molds of the stamping device slow. Once the bolt heads are rusted, it will make the mold replacement more troublesome. In view of the above problems, the inventors propose a stamping mold quick mold changing device to solve the above problems. Utility Model Content
[0005] In order to solve the problem that the molds on the existing stamping devices are generally fixed by multiple bolts, which makes the mold replacement more troublesome; the purpose of the utility model is to provide a stamping mold quick mold changing device.
[0006] To solve the above technical problems, the utility model adopts the following technical solutions: a stamping die quick die changing device, comprising a supporting platform, a side wall of the supporting platform is fixedly connected to a stand, an inner top wall of the stand is provided with a hydraulic cylinder, an output end of the hydraulic cylinder is fixedly connected to a movable seat, a motor is provided below the movable seat, an output shaft end of the motor is fixedly connected to a first bevel gear, a second bevel gear is meshed with a side wall of the first bevel gear, a double-headed screw is inserted and fixedly connected to the middle part of the side wall of the second bevel gear, a first threaded barrel is threadedly sleeved on the side wall of the double-headed screw, a connecting column is fixedly connected to the end face of the first threaded barrel, a clamping column is fixedly connected to the end of the connecting column away from the first threaded barrel, a stamping die body is provided below the first threaded barrel, the stamping die body comprises a stamping head and a clamping seat, clamping holes are provided on both side surfaces of the clamping seat, and the clamping column corresponds to and cooperates with the clamping hole.
[0007] Preferably, a fixed seat is provided on the side wall of the motor, and the side wall of the fixed seat is fixed to the bottom surface of the movable seat. The motor is installed through the fixed seat, and the motor is started. The first bevel gear rotates under the action of the motor output shaft, and the double-headed screw can be rotated through the mutual engagement of the first bevel gear and the second bevel gear. The top surface of the punch head is fixedly connected with a boss, and the end of the boss away from the punch head is fixed to the bottom surface of the holder, and the punch head is fixed to the holder through the boss.
[0008] Preferably, the outer side wall of the first threaded cylinder is fixedly connected with a slide plate, the bottom surface of the movable seat is fixedly connected with a cavity plate, the bottom surface of the cavity plate is provided with a slide groove, the slide plate corresponds to the slide groove and is slidably connected, when the double-headed screw rotates, the double-headed screw and the first threaded cylinder cooperate with each other, and under the limit of the slide plate and the slide groove, the two first threaded cylinders can move relative to or towards each other, and then the clamping column can be moved through the connecting column. When the stamping die main body needs to be replaced, the clamping column is moved in the direction away from the stamping die main body until the clamping column moves out of the clamping hole, and the clamping seat can be removed to replace the stamping die main body. When the stamping die main body needs to be installed, the clamping hole is made to correspond to the clamping column, and the clamping column is moved in the direction close to the stamping die main body until the clamping column is clamped into the clamping hole, and the installation can be completed.
[0009] Preferably, the bottom surface of the movable seat is fixedly connected with a second threaded cylinder, the second threaded cylinder is offset from the first threaded cylinder, the bottom surface of the second threaded cylinder is threadedly connected with a threaded rod, the side wall of the threaded rod is fixedly connected with a hexagonal knob, the bottom end of the threaded rod is rotatably connected with a rotating joint, the side of the rotating joint facing away from the threaded rod is fixedly connected with a pressure plate, the pressure plate corresponds to the holder, after the installation of the stamping die body is completed, the hexagonal knob is turned to rotate the threaded rod, and the pressure plate is made to fall through the mutual cooperation between the threaded rod and the second threaded cylinder and the cooperation of the rotating joint until the bottom surface of the pressure plate contacts the top surface of the holder, and the threaded rod and the second threaded cylinder can share the pressure of the cavity plate during stamping to avoid deformation of the cavity plate and affect the movement of the first threaded cylinder.
[0010] Compared with the prior art, the beneficial effects of the utility model are:
[0011] 1. The utility model is convenient for quickly replacing the main body of the stamping die. It is not necessary to fix the main body of the stamping die with multiple bolts, which improves the efficiency of die change. The two clamping columns can move relative to or towards each other. When the main body of the stamping die needs to be replaced, the clamping column is moved out of the clamping hole, and the clamping seat can be removed to replace the main body of the stamping die. When the main body of the stamping die needs to be installed, the clamping hole is inserted into the clamping hole to complete the installation.
[0012] 2. The utility model can protect the cavity plate to prevent the cavity plate from being deformed during stamping and affecting the movement of the first threaded barrel, thereby avoiding obstruction of the mold changing operation. By turning the hexagonal knob, the pressure plate can be made to fall through the mutual cooperation of the threaded rod and the second threaded barrel and the cooperation of the rotating joint until the bottom surface of the pressure plate contacts the top surface of the holder. The pressure of the cavity plate during stamping can be shared by the threaded rod and the second threaded barrel, thereby preventing the cavity plate from being deformed and affecting the movement of the first threaded barrel. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.
[0014] Figure 1 It is a schematic diagram of the overall structure of the utility model.
[0015] Figure 2 It is a schematic diagram of the structure of the movable seat of the utility model.
[0016] Figure 3 It is an enlarged view of point A of the present utility model.
[0017] Figure 4 This is a schematic diagram of the cooperation between the clamping column and the clamping seat of the utility model.
[0018] In the figure: 1. supporting platform; 2. stand; 3. hydraulic cylinder; 4. movable seat; 5. motor; 6. fixed seat; 7. first bevel gear; 8. second bevel gear; 9. double-headed screw; 10. first threaded barrel; 11. slide plate; 12. cavity plate; 13. connecting column; 14. clamping column; 15. clamping seat; 16. clamping hole; 17. protruding column; 18. punching head; 19. punching die body; 20. second threaded barrel; 21. threaded rod; 22. hexagonal knob; 23. rotating joint; 24. pressing plate. DETAILED DESCRIPTION
[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in 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.
[0020] Example: Figure 1-4As shown, the utility model provides a quick die changing device for a stamping die, comprising a supporting platform 1, a vertical frame 2 is fixedly connected to the side wall of the supporting platform 1, a hydraulic cylinder 3 is arranged on the inner top wall of the vertical frame 2, an output end of the hydraulic cylinder 3 is fixedly connected to a movable seat 4, a motor 5 is arranged below the movable seat 4, an output shaft end of the motor 5 is fixedly connected to a first bevel gear 7, a second bevel gear 8 is meshed with the side wall of the first bevel gear 7, a double-headed screw 9 is inserted and fixedly connected to the middle part of the side wall of the second bevel gear 8, a first threaded barrel 10 is threadedly sleeved on the side wall of the double-headed screw 9, a connecting column 13 is fixedly connected to the end face of the first threaded barrel 10, a clamping column 14 is fixedly connected to the end of the connecting column 13 away from the first threaded barrel 10, a stamping die body 19 is arranged below the first threaded barrel 10, the stamping die body 19 comprises a stamping head 18 and a clamping seat 15, clamping holes 16 are arranged on both side surfaces of the clamping seat 15, and the clamping column 14 corresponds to and cooperates with the clamping hole 16.
[0021] A fixing seat 6 is disposed on the side wall of the motor 5 , and the side wall of the fixing seat 6 is fixed to the bottom surface of the movable seat 4 .
[0022] By adopting the above technical solution, the motor 5 is installed through the fixing seat 6, and the motor 5 is started. The first bevel gear 7 rotates under the action of the output shaft of the motor 5, and the first bevel gear 7 and the second bevel gear 8 are meshed with each other, so that the double-headed screw 9 can rotate.
[0023] The outer wall of the first threaded cylinder 10 is fixedly connected with a slide plate 11 , the bottom surface of the movable seat 4 is fixedly connected with a cavity plate 12 , the bottom surface of the cavity plate 12 is provided with a slide groove, and the slide plate 11 corresponds to the slide groove and is slidably connected to the slide groove.
[0024] By adopting the above technical scheme, when the double-headed screw 9 rotates, the two first threaded barrels 10 can move relative to or toward each other through the mutual cooperation between the double-headed screw 9 and the first threaded barrel 10, and under the limitation of the slide plate 11 and the slide groove, the clamping column 14 can be moved through the connecting column 13. When the stamping die main body 19 needs to be replaced, the clamping column 14 is moved in the direction away from the stamping die main body 19 until the clamping column 14 moves out of the clamping hole 16, and the clamping seat 15 can be removed to replace the stamping die main body 19. When the stamping die main body 19 needs to be installed, the clamping hole 16 is made to correspond to the clamping column 14, and the clamping column 14 is moved in the direction close to the stamping die main body 19 until the clamping column 14 is clamped into the clamping hole 16, and the installation is completed.
[0025] The top surface of the punch head 18 is fixedly connected with a boss 17 , and one end of the boss 17 away from the punch head 18 is fixed to the bottom surface of the holder 15 .
[0026] By adopting the above technical solution, the punch head 18 is fixed to the holder 15 via the protruding column 17 .
[0027] The bottom surface of the movable seat 4 is fixedly connected with a second threaded cylinder 20, and the second threaded cylinder 20 is offset from the first threaded cylinder 10. The bottom surface of the second threaded cylinder 20 is threadedly connected with a threaded rod 21, and the side wall of the threaded rod 21 is fixedly connected with a hexagonal knob 22. The bottom end of the threaded rod 21 is rotatably connected with a rotating joint 23, and the side of the rotating joint 23 facing away from the threaded rod 21 is fixedly connected with a pressure plate 24, and the pressure plate 24 corresponds to the holder 15.
[0028] By adopting the above technical solution, after completing the installation of the stamping die body 19, the hexagonal knob 22 is turned to rotate the threaded rod 21. Through the mutual cooperation between the threaded rod 21 and the second threaded tube 20, and the cooperation of the rotating joint 23, the pressure plate 24 falls until the bottom surface of the pressure plate 24 contacts the top surface of the holder 15. The threaded rod 21 and the second threaded tube 20 can share the pressure of the cavity plate 12 during stamping to avoid deformation of the cavity plate 12 and affect the movement of the first threaded tube 10.
[0029] Working principle: When the utility model is in use, the motor 5 is started, and the first bevel gear 7 rotates under the action of the output shaft of the motor 5. The first bevel gear 7 and the second bevel gear 8 are meshed with each other, so that the double-headed screw 9 can be rotated. The double-headed screw 9 and the first threaded cylinder 10 cooperate with each other, and under the limit of the slide plate 11 and the slide groove, the two first threaded cylinders 10 can move relative to or toward each other, and then the clamping column 14 can be moved through the connecting column 13;
[0030] When the stamping die body 19 needs to be replaced, the clamping column 14 is moved away from the stamping die body 19 until the clamping column 14 moves out of the clamping hole 16, and the clamping seat 15 can be removed to replace the stamping die body 19;
[0031] When the stamping die body 19 needs to be installed, the clamping hole 16 is made to correspond to the clamping column 14, and the clamping column 14 is moved toward the stamping die body 19 until the clamping column 14 is clamped into the clamping hole 16, and the installation is completed;
[0032] After completing the installation of the stamping die body 19, turn the hexagonal knob 22 to rotate the threaded rod 21. Through the mutual cooperation between the threaded rod 21 and the second threaded tube 20, and the cooperation of the rotating joint 23, the pressure plate 24 falls until the bottom surface of the pressure plate 24 contacts the top surface of the holder 15. The threaded rod 21 and the second threaded tube 20 can share the pressure of the cavity plate 12 during stamping to avoid deformation of the cavity plate 12 and affect the movement of the first threaded tube 10.
[0033] Obviously, those skilled in the art can make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if these modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include these modifications and variations.
Claims
1. A stamping die rapid die changing device, comprising a support platform (1), characterized in that: The side wall of the support platform (1) is fixedly connected to a stand (2), the inner top wall of the stand (2) is provided with a hydraulic cylinder (3), the output end of the hydraulic cylinder (3) is fixedly connected to a movable seat (4), a motor (5) is provided below the movable seat (4), the output shaft end of the motor (5) is fixedly connected to a first bevel gear (7), the side wall of the first bevel gear (7) is meshed with a second bevel gear (8), a double-headed screw (9) is inserted and fixedly connected to the middle of the side wall of the second bevel gear (8), and the side wall of the double-headed screw (9) is fixedly connected to the side wall of the double-headed screw (9). The threaded sleeve is provided with a first threaded barrel (10), the end surface of the first threaded barrel (10) is fixedly connected with a connecting column (13), one end of the connecting column (13) away from the first threaded barrel (10) is fixedly connected with a clamping column (14), a stamping die body (19) is arranged below the first threaded barrel (10), the stamping die body (19) comprises a stamping head (18) and a clamping seat (15), both side surfaces of the clamping seat (15) are provided with clamping holes (16), and the clamping column (14) corresponds to and cooperates with the clamping holes (16).
2. A stamping die quick die changing device as claimed in claim 1, characterized in that: A fixed seat (6) is provided on the side wall of the motor (5), and the side wall of the fixed seat (6) is fixed to the bottom surface of the movable seat (4).
3. A stamping die rapid die change device as claimed in claim 1, characterized in that: The outer side wall of the first threaded cylinder (10) is fixedly connected to a slide plate (11), and the bottom surface of the movable seat (4) is fixedly connected to a cavity plate (12).
4. A stamping die rapid die change device as claimed in claim 3, characterized in that: The bottom surface of the cavity plate (12) is provided with a sliding groove, and the sliding plate (11) corresponds to the sliding groove and is slidably connected to the sliding groove.
5. A stamping die rapid die change device as claimed in claim 1, characterized in that: The top surface of the punch head (18) is fixedly connected with a protruding column (17), and one end of the protruding column (17) away from the punch head (18) is fixed to the bottom surface of the clamping seat (15).
6. A stamping die rapid die change device as claimed in claim 1, characterized in that: A second threaded cylinder (20) is fixedly connected to the bottom surface of the movable seat (4), and the second threaded cylinder (20) is offset from the first threaded cylinder (10).
7. A stamping die rapid die change device as claimed in claim 6, characterized in that: A threaded rod (21) is threadedly connected to the bottom surface of the second threaded cylinder (20), and a hexagonal knob (22) is fixedly connected to the side wall of the threaded rod (21).
8. A stamping die rapid die change device as claimed in claim 7, characterized in that: The bottom end of the threaded rod (21) is rotatably connected to a rotating joint (23), and a pressing plate (24) is fixedly connected to a side of the rotating joint (23) facing away from the threaded rod (21), and the pressing plate (24) corresponds to the clamping seat (15).