Buffer device for metal stamping die
By designing a metal stamping mold buffer device including telescopic springs and elastic springs, the fatigue problem caused by excessive compression of compression springs in stamping molds is solved, extending service life and reducing operating costs.
Patent Information
- Application Number
- CN202421155227.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-24
- Publication Date
- 2025-01-14
- Estimated Expiration
- 2034-05-24
AI Technical Summary
When the stamping pressure of existing stamping molds increases, the compression springs are prone to excessive compression, resulting in faster fatigue and poor buffering effect, which requires frequent replacement, which increases operating costs.
A buffer device for metal stamping mold is designed, including a base, a fixed block, a vertical plate, a horizontal block, a connecting rod, a telescopic spring, a movable block, an operating block, a threaded sleeve rod, a transmission screw rod and an elastic spring, and the piston is driven by a cylinder. The rod drives the stamping head and buffer pad to move, adjust the contraction of the limit block and elastic spring, realize the buffering effect, and controls the rotation of the transmission screw through the knob to lock the movable block to avoid deformation.
Extends the service life of telescopic springs and elastic springs, reduces replacement frequency and operating costs, and improves buffering effect.
Smart Images
Figure CN222343914U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of stamping dies, in particular to a buffer device for metal stamping dies. Background Art
[0002] A stamping die is a special process equipment used to process metal materials into parts (or semi-finished products) during cold stamping. It is called a cold stamping die (commonly known as a cold stamping die). Stamping is a pressure processing method that uses a die installed on a press to apply pressure to the material at room temperature to cause separation or plastic deformation, thereby obtaining the desired parts.
[0003] The existing stamping die has a large stress during processing. In order to protect the service life of each component, a buffer device is required. The main components of the conventional buffer device are compression springs of different specifications. However, the existing buffer device for stamping dies still has the following problems during use:
[0004] When the stamping pressure of the existing stamping die increases, the compression spring will be over-compressed, causing its fatigue speed to accelerate, making the compression spring easy to deform and the buffering effect poor. The compression spring needs to be replaced, which increases the operating cost. Therefore, it is necessary to involve a buffer device for metal stamping dies in the existing stamping die technology field. Utility Model Content
[0005] In order to make up for the shortcomings of the prior art, when the stamping pressure of the existing stamping die increases, the compression spring will be over-compressed, resulting in its fatigue speed to accelerate, making the compression spring easy to deform, and the buffering effect is not good. The compression spring needs to be replaced, which increases the operating cost. The utility model proposes a buffer device for a metal stamping die.
[0006] The technical solution adopted by the utility model to solve the technical problem is: a buffer device for a metal stamping die comprises a base and a fixed block, the fixed block is symmetrically fixedly equipped with vertical plates, the tops of the vertical plates are fixedly equipped with horizontal blocks, the horizontal blocks are symmetrically penetrated with traction ports, the horizontal blocks are symmetrically provided with card slots, the card slots are located between the two traction ports, the traction ports are fixedly equipped with connecting rods, the connecting rods are movably equipped with movable blocks, the connecting rods are equipped with telescopic springs, the two ends of the telescopic springs are respectively fixedly assembled with the movable blocks and the traction ports, the tops of the movable blocks are fixedly equipped with mounting plates, the mounting plates are fixedly equipped with operating blocks, the operating blocks are provided with rotating cavities inside, the rotating cavities are symmetrically provided with traction cavities, the rotating cavities are movably equipped with threaded sleeves, one end of the threaded sleeves movably penetrates the operating block and the mounting plate, and the threaded sleeves are correspondingly plugged into the card slots.
[0007] Preferably, a sliding block is symmetrically fixedly installed on the upper surface of the threaded sleeve, and the sliding block is movably installed with the traction cavity. A transmission screw is movably installed on the rotating cavity, and the transmission screw is threadedly installed with the threaded sleeve. One end of the transmission screw movably passes through the operating block, and one end of the transmission screw is fixedly installed with a knob.
[0008] Preferably, a mounting tube is fixedly installed at the bottom of the cross block, the mounting tube is located between the two traction ports, an adjusting rod is movably installed at the bottom of the mounting tube, one end of the adjusting rod moves inside the mounting tube, and moving ports are symmetrically provided on the surface of the mounting tube, which are connected to the interior of the mounting tube.
[0009] Preferably, a limit block is fixedly assembled on the top of the adjusting rod, the limit block is movably assembled with the inside of the mounting tube, a guide block is symmetrically fixedly assembled on the limit block, the guide block is movably assembled with the movable opening, an elastic spring is fixedly assembled on the inner top surface of the mounting tube, and the bottom of the elastic spring is fixedly assembled with the limit block.
[0010] Preferably, one end of the guide block is fixedly equipped with an operating panel, the bottom of the movable block is fixedly equipped with a fixed plate, the fixed plate is movably equipped with an adjustment block, the other end of the adjustment block is movably assembled with the operating panel, the bottom of the adjustment rod is fixedly equipped with a buffer pad, and the base is symmetrically provided with sockets, which are plugged into the adjustment rod and the buffer pad.
[0011] Preferably, a support block is fixedly assembled on the base, a connecting plate is fixedly assembled on the top of the support block, a cylinder is fixedly assembled on the connecting plate, a piston rod is fixedly assembled on the output end of the cylinder, the piston rod movably passes through the connecting plate, and a fixed block is fixedly assembled on the bottom of the piston rod, a punching head is fixedly assembled on the bottom of the fixed block, a punching die cavity is provided on the base, and the punching head is plugged into the punching die cavity accordingly.
[0012] The utility model is beneficial in that:
[0013] The utility model places a metal plate on a base so that the metal plate is located between two insertion holes and above the stamping die cavity, starts the air cylinder, and causes the piston rod to drive the stamping head on the fixed block to move downward, and the vertical plate drives the horizontal block to move downward, so that the buffer pad on the adjusting rod is plugged into the insertion hole until the buffer pad fits with the bottom surface of the insertion hole, one end of the adjusting rod moves inside the mounting tube, and the adjusting rod drives the guide block on the limit block to move on the moving port, and the elastic spring contracts, so that the movable block moves on the connecting rod under the action of the adjusting block, so that the movable block can be adjusted. It plays a buffering role, making it convenient for the punch head to punch the metal plate on the punching die cavity. When the equipment is not in use, the knob is twisted to make the transmission screw rotate in the threaded sleeve rod, so that the sliding block moves on the traction cavity. At this time, the threaded sleeve rod moves on the operating block and the mounting plate, and one end of the threaded sleeve rod is plugged into the slot, so that the movable block cannot move on the connecting rod and is no longer affected by the deformation of the telescopic spring and the elastic spring. It helps to stretch the deformed telescopic spring and the elastic spring, thereby increasing the service life of the telescopic spring and the elastic spring and reducing the cost of use. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] 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.
[0015] Figure 1 This is a schematic diagram of the assembly structure of the metal stamping die and the buffer device of the utility model;
[0016] Figure 2 This is a schematic diagram of the structure of the buffer device of the utility model;
[0017] Figure 3 This is a schematic cross-sectional view of the buffer device of the utility model;
[0018] Figure 4 It is a schematic diagram of the structure of the limiting mechanism of the utility model.
[0019] In the figure:
[0020] 10. Base; 11. Support block; 12. Connecting plate; 13. Cylinder;
[0021] 20. Piston rod; 21. Fixed block; 22. Punching head; 23. Punching die cavity;
[0022] 30. jack; 31. vertical plate; 32. horizontal block; 33. mounting pipe;
[0023] 40. Adjustment rod; 41. Buffer pad; 42. Towing port; 43. Connecting rod;
[0024] 50. telescopic spring; 51. movable block; 52. mounting plate; 53. operating block;
[0025] 60. knob; 61. threaded sleeve; 62. slot; 63. moving port;
[0026] 70. Limit block; 71. Elastic spring; 72. Guide block; 73. Operation panel;
[0027] 80. fixed plate; 81. adjusting block; 82. rotating chamber; 83. traction chamber;
[0028] 90. Sliding block; 91. Transmission screw. DETAILED DESCRIPTION
[0029] 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 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.
[0030] The following is combined with Figure 1 —4 further details of this application,
[0031] The present application discloses a buffer device for a metal stamping die. Figure 1 and Figure 2 as well as Figure 4A buffer device for a metal stamping die comprises a base 10 and a fixed block 21, wherein the fixed block 21 is symmetrically fixedly equipped with a vertical plate 31, the top of the vertical plate 31 is fixedly equipped with a horizontal block 32, the horizontal block 32 is symmetrically penetrated with a traction port 42, the horizontal block 32 is symmetrically provided with a slot 62 located between the two traction ports 42, the traction port 42 is fixedly equipped with a connecting rod 43, the connecting rod 43 is movably equipped with a movable block 51, a telescopic spring 50 is fixedly equipped between the movable block 51 and the traction port 42, the connecting rod 43 is assembled on the inner side of the telescopic spring 50, the top of the movable block 51 is fixedly equipped with a mounting plate 52, the mounting plate 52 is fixedly equipped with an operating block 53, a rotating cavity 82 is arranged inside the operating block 53, the rotating cavity 82 is symmetrically provided with a traction cavity 83, and the rotating cavity 82 is movably equipped with There is a threaded sleeve 61, one end of the threaded sleeve 61 movably passes through the operating block 53 and the mounting plate 52, and the threaded sleeve 61 is correspondingly plugged into the slot 62, the upper surface of the threaded sleeve 61 is symmetrically fixedly equipped with a sliding block 90 that moves in the traction cavity 83, and the rotating cavity 82 is movably equipped with a transmission screw 91 that is threadedly assembled with the threaded sleeve 61, one end of the transmission screw 91 movably passes through the operating block 53, and one end of the transmission screw 91 is fixedly equipped with a knob 60, and the knob 60 is twisted to make the transmission screw 91 rotate in the threaded sleeve 61, so that the sliding block 90 moves on the traction cavity 83, at this time, the threaded sleeve 61 moves on the operating block 53 and the mounting plate 52, and one end of the threaded sleeve 61 is plugged into the slot 62, so that the movable block 51 cannot move on the connecting rod 43.
[0032] Reference Figure 1 - Figure 3The bottom of the cross block 32 is fixedly equipped with a mounting tube 33, and the mounting tube 33 is located between the two traction ports 42. The bottom of the mounting tube 33 is movably equipped with an adjusting rod 40, and one end of the adjusting rod 40 moves inside the mounting tube 33. The surface of the mounting tube 33 is symmetrically provided with a moving port 63 connected to the inside of the mounting tube 33. The top of the adjusting rod 40 is fixedly equipped with a limit block 70 that moves inside the mounting tube 33. The limit block 70 is symmetrically fixedly equipped with a guide block 72 that moves in the moving port 63. The inner top surface of the mounting tube 33 is fixedly equipped with an elastic spring 71, and the bottom of the elastic spring 71 is fixedly assembled with the limit block 70. One end of the guide block 72 is fixedly equipped with an operating plate 73, and the bottom of the movable block 51 is fixedly equipped with a fixed plate 80. The plate 80 is movably equipped with an adjusting block 81, and the other end of the adjusting block 81 is movably assembled with the operating plate 73. The bottom of the adjusting rod 40 is fixedly equipped with a buffer pad 41. The base 10 is symmetrically provided with sockets 30, and the sockets 30 are plugged with the adjusting rod 40 and the buffer pad 41. The vertical plate 31 drives the horizontal block 32 to move downward, so that the buffer pad 41 on the adjusting rod 40 is plugged with the socket 30 until the buffer pad 41 fits with the bottom surface of the socket 30. One end of the adjusting rod 40 moves inside the mounting tube 33, and the adjusting rod 40 drives the guide block 72 on the limit block 70 to move on the moving port 63, and the elastic spring 71 contracts. Under the action of the adjusting block 81, the movable block 51 moves on the connecting rod 43, which facilitates the buffering effect.
[0033] Reference Figure 1 A support block 11 is fixedly assembled on the base 10, a connecting plate 12 is fixedly assembled on the top of the support block 11, a cylinder 13 is fixedly assembled on the connecting plate 12, a piston rod 20 is fixedly assembled on the output end of the cylinder 13, the piston rod 20 movably penetrates the connecting plate 12, and a fixed block 21 is fixedly assembled on the bottom of the piston rod 20, a punch head 22 is fixedly assembled on the bottom of the fixed block 21, a stamping die cavity 23 is provided on the base 10, the punching head 22 is plugged into the stamping die cavity 23, a metal plate is placed on the base 10, so that the metal plate is located between the two sockets 30, and the metal plate is located above the stamping die cavity 23, the cylinder 13 is started, so that the piston rod 20 drives the punching head 22 on the fixed block 21 to move downward, and the punching head 22 punches the metal plate on the stamping die cavity 23.
[0034] Working principle: Place the metal plate on the base 10 so that the metal plate is located between the two sockets 30 and above the stamping die cavity 23, start the cylinder 13, so that the piston rod 20 drives the punch head 22 on the fixed block 21 to move downward, and the vertical plate 31 drives the horizontal block 32 to move downward, so that the buffer pad 41 on the adjusting rod 40 is plugged into the socket 30 until the buffer pad 41 fits with the bottom surface of the socket 30, and one end of the adjusting rod 40 moves inside the mounting tube 33, and the adjusting rod 40 drives the guide block 72 on the limit block 70 to move on the moving port 63, and the elastic spring 71 contracts, and under the action of the adjusting block 81, the movable block 51 moves on the connecting rod 43. The movable block 51 can be moved to play a buffering role, so that the punch head 22 can punch the metal plate on the punching die cavity 23. When the equipment is not in use, the knob 60 is twisted to make the transmission screw 91 rotate in the threaded sleeve 61, so that the sliding block 90 can move on the traction cavity 83. At this time, the threaded sleeve 61 moves on the operating block 53 and the mounting plate 52, and one end of the threaded sleeve 61 is plugged into the card slot 62, so that the movable block 51 cannot move on the connecting rod 43 and is no longer affected by the deformation of the telescopic spring 50 and the elastic spring 71. It is helpful to stretch the deformed telescopic spring 50 and the elastic spring 71, thereby increasing the service life of the telescopic spring 50 and the elastic spring 71 and reducing the use cost.
[0035] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, and these changes and improvements fall within the scope of the utility model to be protected.
Claims
1. A buffer device for a metal stamping die, characterized in that: The invention comprises a base (10) and a fixed block (21), wherein a vertical plate (31) is symmetrically fixedly mounted on the fixed block (21), a horizontal block (32) is fixedly mounted on the top of each vertical plate (31), a traction opening (42) is symmetrically arranged on each horizontal block (32), a clamping groove (62) is symmetrically arranged on each horizontal block (32), the clamping groove (62) is located between two traction openings (42), a connecting rod (43) is fixedly mounted on each traction opening (42), a movable block (51) is movably mounted on each connecting rod (43), a telescopic spring (50) is mounted on each connecting rod (43), and the telescopic spring (50) is symmetrically arranged on each horizontal block (32). ) are fixedly assembled with the movable block (51) and the traction port (42) at both ends, the top of the movable block (51) is fixedly assembled with a mounting plate (52), the mounting plate (52) is fixedly assembled with an operating block (53), a rotating cavity (82) is arranged inside the operating block (53), a traction cavity (83) is symmetrically arranged on the rotating cavity (82), a threaded sleeve rod (61) is movably assembled on the rotating cavity (82), one end of the threaded sleeve rod (61) movably passes through the operating block (53) and the mounting plate (52), and the threaded sleeve rod (61) is correspondingly plugged into the card slot (62).
2. A buffer device for a metal stamping die according to claim 1, characterized in that: The upper surface of the threaded sleeve (61) is symmetrically fixedly equipped with a sliding block (90), the sliding block (90) is movably assembled corresponding to the traction cavity (83), and the rotating cavity (82) is movably equipped with a transmission screw (91), the transmission screw (91) and the threaded sleeve (61) are threadedly assembled, one end of the transmission screw (91) movably penetrates the operating block (53), and one end of the transmission screw (91) is fixedly equipped with a knob (60).
3. A buffer device for a metal stamping die according to claim 1, characterized in that: A mounting tube (33) is fixedly mounted on the bottom of the transverse block (32), the mounting tube (33) is located between the two traction ports (42), an adjusting rod (40) is movably mounted on the bottom of the mounting tube (33), one end of the adjusting rod (40) moves inside the mounting tube (33), and a moving port (63) is symmetrically arranged on the surface of the mounting tube (33), the moving port (63) is communicated with the inside of the mounting tube (33).
4. A buffer device for a metal stamping die according to claim 3, characterized in that: A limit block (70) is fixedly assembled on the top of the adjusting rod (40), and the limit block (70) is movably assembled with the inside of the mounting tube (33). A guide block (72) is symmetrically fixedly assembled on the limit block (70), and the guide block (72) is movably assembled with the movable opening (63). An elastic spring (71) is fixedly assembled on the inner top surface of the mounting tube (33), and the bottom of the elastic spring (71) is fixedly assembled with the limit block (70).
5. A buffer device for a metal stamping die according to claim 4, characterized in that: An operating panel (73) is fixedly mounted on one end of the guide block (72), a fixed plate (80) is fixedly mounted on the bottom of the movable block (51), an adjusting block (81) is movably mounted on the fixed plate (80), the other end of the adjusting block (81) is movably mounted on the operating panel (73), a buffer pad (41) is fixedly mounted on the bottom of the adjusting rod (40), and jacks (30) are symmetrically arranged on the base (10), and the jacks (30) are correspondingly plugged into the adjusting rod (40) and the buffer pad (41).
6. A buffer device for a metal stamping die according to claim 1, characterized in that: A support block (11) is fixedly mounted on the base (10), a connecting plate (12) is fixedly mounted on the top of the support block (11), a cylinder (13) is fixedly mounted on the connecting plate (12), a piston rod (20) is fixedly mounted on the output end of the cylinder (13), the piston rod (20) movably penetrates the connecting plate (12), a fixed block (21) is fixedly mounted on the bottom of the piston rod (20), a punching head (22) is fixedly mounted on the bottom of the fixed block (21), a punching die cavity (23) is provided on the base (10), and the punching head (22) is plugged into the punching die cavity (23) accordingly.