Deep drawing die structure

Abstract

The utility model discloses a deep drawing die structure which comprises a bottom die, the upper end of the bottom die is fixedly connected with a support, the upper end of the support is fixedly connected with a supporting plate, one side of the upper end of the supporting plate is fixedly connected with a driving motor, the output end of the driving motor is fixedly connected with a screw rod, and the screw rod is in threaded connection with an upper die. The bottom die and the upper die are respectively provided with a first groove, the bottom die and the upper die are respectively provided with a storage hole, the upper end of the bottom die is provided with a storage groove, a first pressing hole is formed in the storage groove, and the bottom end of the upper die is fixedly connected with a first pressing block. The first pressing block and the second pressing block are installed between the upper die and the bottom die to be matched with the third pressing block to form a multi-time stretching structure under the action of the threaded rod, the first push rod and the second push rod, machining workpieces can be conveniently formed, meanwhile, the first push rod and the second push rod can be disassembled and maintained by disassembling the sealing plate and the baffle, and maintenance is relatively easy.

Description

Technical Field

[0001] The utility model relates to the technical field of mold processing, in particular to a deep drawing mold structure. Background Art

[0002] The deep drawing die structure usually includes the die body, die plate, side drawing rod, guide column, pressure plate and cylinder, as well as auxiliary components. During the design and manufacturing of the die, these parts work together to ensure the efficient, precise and safe operation of the die.

[0003] According to the Chinese patent publication number CN218310294U, "A Deep Drawing Stamping Die", it mainly describes that the stretching stamping die is provided with an independent power source, and there is no need to add a punch press; secondly, it has a simple structure and low manufacturing cost; thirdly, the cylinder speed is adjustable, and a material return mechanism and a stretching oil hole are provided, which can perform deep drawing. In the process of deep drawing die processing, hydraulic equipment is prone to wear after repeated use, and the maintenance of hydraulic equipment is relatively troublesome.

[0004] Therefore, a deep drawing die structure is proposed to solve the problem that during the deep drawing die processing process, the hydraulic equipment is easily worn out after repeated use, and the maintenance of the hydraulic equipment is relatively troublesome. Utility Model Content

[0005] The technical problem to be solved by the present invention is that during the process of deep drawing die processing, hydraulic equipment is prone to wear after repeated use, and the maintenance of the hydraulic equipment is relatively troublesome, so a deep drawing die structure is proposed.

[0006] The technical solution adopted by the utility model to solve the technical problem is: a deep drawing mold structure, including a bottom mold, the upper end of the bottom mold is fixedly connected to a bracket and the upper end of the bracket is fixedly connected to a support plate, one side of the upper end of the support plate is fixedly connected to a driving motor and the output end of the driving motor is fixedly connected to a screw, the screw is threadedly connected to the upper mold, the bottom mold and the upper mold are both provided with a first groove, the bottom mold and the upper mold are both provided with a placement hole, the upper end of the bottom mold is provided with a placement groove, the placement groove is provided with a first pressure hole, the bottom end of the upper mold is fixedly connected to a first pressure block, the placement hole located on the bottom side is in contact with a first push rod, and the output end of the first push rod is sleeved with A fixing sleeve, a positioning rod is inserted on the fixing sleeve and the positioning rod is threadedly connected to the output end of the first push rod, the upper end of the fixing sleeve is fixedly connected to the second pressure block, the limiting ring sleeve is fixedly connected in the storage hole located on the bottom side, the second push rod is fixedly connected in the storage hole located on the upper side, the output end of the second push rod is fixedly connected to the third pressure block, the first push rod and the second push rod are fixedly connected to the connecting block at one end away from each other, the upper mold and the bottom mold are both provided with a card slot, the card slot is inserted with a baffle and the baffle is in contact with the connecting block, the upper mold and the bottom mold are both fixedly connected to a card frame, the card frame is provided with a second groove corresponding to the card slot, and the upper end of the card frame is inserted with a sealing plate.

[0007] As a preferred technical solution of the present invention, the baffle has a split structure, and the opposite sides of the two baffles are glued with buffer pads, which are made of rubber material. By providing the buffer pads, the wear of the baffle caused by collision can be reduced.

[0008] As a preferred technical solution of the present invention, sliding balls are rotatably embedded at the upper and lower ends of the baffle, and the sliding balls are in contact with the slots. By providing the sliding balls, the friction force of the movement of the baffle can be reduced.

[0009] As a preferred technical solution of the present invention, a handle is fixedly connected to the side of the baffle away from the buffer pad, and the handle corresponds to the sealing plate. By providing the handle, it is easy to take out the baffle.

[0010] As an optimal technical solution of the present utility model, a limiting groove is provided on the baffle, and the limiting groove corresponds to the connecting block. The baffle is provided with a through hole at the connecting block, and a spring ejector is inserted into the through hole. The end of the spring ejector is inserted into the connecting block. By providing the limiting groove and the spring ejector, the connection between the connecting block and the baffle can be facilitated.

[0011] The utility model has the following advantages: the workpiece is placed in the storage groove, and a multiple stretching structure is formed under the action of the screw, the first push rod and the second push rod by installing the first pressure block, the second pressure block and the third pressure block between the upper mold and the bottom mold, which is convenient for processing the workpiece. At the same time, by removing the sealing plate and the baffle, the first push rod and the second push rod can be disassembled and maintained, and the maintenance is relatively simple. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 This is a schematic side sectional structural diagram of a deep drawing die structure according to a preferred embodiment of the present invention;

[0013] Figure 2 This is a schematic diagram of the three-dimensional structure of a baffle of a deep drawing die structure according to a preferred embodiment of the present invention;

[0014] Figure 3 This is an enlarged structural schematic diagram of point A of a deep drawing die structure in a preferred embodiment of the present invention.

[0015] Explanation of the accompanying drawings: 1. bottom mold; 2. support plate; 3. screw; 4. upper mold; 5. first groove; 6. storage groove; 7. first pressing hole; 8. first pressure block; 9. connecting block; 10. first push rod; 11. fixing sleeve; 12. second pressure block; 13. limiting ring sleeve; 14. second push rod; 15. third pressure block; 16. slot; 17. baffle; 18. buffer pad; 19. card frame; 20. second groove; 21. sealing plate; 22. sliding ball; 23. handle; 24. limiting groove; 25. spring ejector. DETAILED DESCRIPTION

[0016] The present invention will be further described below with reference to the accompanying drawings.

[0017] Please refer to Figure 1-3The deep drawing die structure shown in the figure includes a bottom die 1, the upper end of the bottom die 1 is fixedly connected to a bracket and the upper end of the bracket is fixedly connected to a support plate 2, one side of the upper end of the support plate 2 is fixedly connected to a driving motor and the output end of the driving motor is fixedly connected to a screw 3, and the upper die 4 is threadedly connected to the screw 3. The workpiece is placed in the storage slot 6, and the driving motor drives the screw 3 to move downward, which can move the upper die 4 to the side of the bottom die 1 and make the upper die 4 and the bottom die 1 close together. At this time, the first pressing block 8 enters the first pressing hole 7 to squeeze The workpiece is formed into a primary shape, and then the first push rod 10 extends to drive the second pressure block 12 to move up, and the second push rod 14 contracts, and the third pressure block 15 moves up to form a recess. At this time, the workpiece is secondary processed. The bottom mold 1 and the upper mold 4 are both provided with a first groove 5, and the bottom mold 1 and the upper mold 4 are both provided with a placement hole. The upper end of the bottom mold 1 is provided with a placement groove 6, and the placement groove 6 is provided with a first pressure hole 7. The bottom end of the upper mold 4 is fixedly connected to the first pressure block 8, and the placement hole on the bottom side is in contact with the first push rod 10. The first push rod 10 and the second push rod 14 are both hydraulic equipment. The output end of the first push rod 10 is sleeved with a fixed sleeve 11, a positioning rod is inserted into the fixed sleeve 11 and the positioning rod is threadedly connected to the output end of the first push rod 10. The upper end of the fixed sleeve 11 is fixedly connected to the second pressure block 12, and the limiting ring sleeve 13 is fixedly connected in the storage hole on the bottom side. The second push rod 14 is fixedly connected in the storage hole on the upper side. The output end of the second push rod 14 is fixedly connected to the third pressure block 15. The first push rod 10 and the second push rod 14 are away from each other. The ends are fixedly connected with connecting blocks 9, and the upper mold 4 and the bottom mold 1 are both provided with card slots 16, and the card slots 16 are connected with baffles 17 and the baffles 17 are in contact with the connecting blocks 9. The upper mold 4 and the bottom mold 1 are both fixedly connected with card frames 19, and the card frame 19 is provided with a second groove 20 corresponding to the card slot 16. The upper end of the card frame 19 is connected with a sealing plate 21. By removing the sealing plate 21, the baffle 17 can be unblocked. The baffle 17 can be removed by pulling the handle 23 and cooperating with the spring ejector 25, and the first push rod 10 and the second push rod 14 can be taken out.

[0018] The buffer pad 18 is glued to one side of the baffle 17 . The baffle 17 has a split structure. The buffer pad 18 is made of rubber material. By providing the buffer pad 18 , the collision of the baffle 17 can be reduced.

[0019] The slot 16 contacts the sliding ball 22 , and the sliding ball 22 is rotatably embedded in the upper and lower ends of the baffle 17 . The sliding ball 22 is provided to reduce friction between the baffle 17 and the slot 16 when the baffle 17 moves.

[0020] Among them, the closing plate 21 corresponds to the handle 23, and the handle 23 is fixedly connected to the side of the baffle 17 away from the buffer pad 18. By providing the handle 23, it is convenient to pull the baffle 17 and facilitate the disassembly of the first push rod 10 and the second push rod 14.

[0021] Among them, the end of the spring ejector 25 is inserted into the connecting block 9, and the spring ejector 25 is inserted into the through hole. The through hole is located on the baffle 17 and the through hole is close to the connecting block 9. The connecting block 9 corresponds to the limiting groove 24, and the limiting groove 24 is located on the baffle 17. By setting the limiting groove 24 and the spring ejector 25, the connecting block 9 can be limited, thereby improving the stability of the first push rod 10 and the second push rod 14 during operation.

[0022] Working principle: Place the workpiece in the storage slot 6, and start the driving motor on the support plate 2 to drive the screw 3 to move downward, so that the upper mold 4 can move to the side of the bottom mold 1 until it contacts, and the upper mold 4 is closed with the bottom mold 1. At this time, the first pressure block 8 enters the first pressure hole 7 to squeeze the workpiece. In the closed mold state, the workpiece is extruded to form a primary shape, and then the first push rod 10 extends to drive the second pressure block 12 to move upward, and the second push rod 14 contracts, and the third pressure block 15 moves upward to form a depression. At this time, the workpiece is re-processed into a shape. When the equipment needs to be repaired after multiple uses, remove the sealing plate 21 to make the baffle 17 unobstructed, pull the handle 23 and pull the spring ejector 25 to remove the baffle 17, and take out the first push rod 10 and the second push rod 14 for maintenance.

[0023] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principles of the present invention. These improvements and modifications should also be regarded as the scope of protection of the present invention.

[0024] Other parts of the present invention that are not described in detail belong to the prior art and will not be described in detail here.

[0025] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the above embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the above embodiments, or replace some or all of the technical features therein with equivalents. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the scope of the technical solutions of the embodiments of the present invention.

Claims

1. A deep drawing die structure, comprising a bottom die (1), wherein the upper end of the bottom die (1) is fixedly connected to a bracket and the upper end of the bracket is fixedly connected to a support plate (2), characterized in that: A driving motor is fixedly connected to one side of the upper end of the support plate (2), and a screw (3) is fixedly connected to the output end of the driving motor. The screw (3) is threadedly connected to the upper mold (4). The bottom mold (1) and the upper mold (4) are both provided with a first groove (5). The bottom mold (1) and the upper mold (4) are both provided with a placement hole. The upper end of the bottom mold (1) is provided with a placement groove (6), and a first pressure hole (7) is provided in the placement groove (6). The bottom end of the upper mold (4) is fixedly connected to a first pressing block (8). The placement hole on the bottom side is in contact with a first push rod (10). The output end of the first push rod (10) is sleeved with a fixed sleeve (11). A positioning rod is inserted into the fixing sleeve (11), and the positioning rod is threadedly connected to the output end of the first push rod (10). The fixing sleeve (11) is provided with a positioning rod. The upper mold (4) and the lower mold (1) are fixedly connected to a second pressing block (12), a limiting ring sleeve (13) is fixedly connected in the storage hole on the bottom side, a second push rod (14) is fixedly connected in the storage hole on the upper side, and the output end of the second push rod (14) is fixedly connected to a third pressing block (15), and the ends of the first push rod (10) and the second push rod (14) away from each other are fixedly connected to a connecting block (9), and a card slot (16) is provided on the upper mold (4) and the lower mold (1), and a baffle (17) is inserted in the card slot (16) and the baffle (17) contacts the connecting block (9), and a card frame (19) is fixedly connected to the upper mold (4) and the lower mold (1), and a second groove (20) corresponding to the card slot (16) is provided on the card frame (19), and a sealing plate (21) is inserted at the upper end of the card frame (19).

2. A deep drawing die structure according to claim 1, characterized in that: The baffles (17) are of split structure, and opposite sides of the two baffles (17) are both glued with a buffer pad (18), and the buffer pad (18) is made of rubber material.

3. A deep drawing die structure according to claim 2, characterized in that: Sliding balls (22) are rotatably embedded at both upper and lower ends of the baffle (17), and the sliding balls (22) are in contact with the clamping groove (16).

4. A deep drawing die structure according to claim 3, characterized in that: A handle (23) is fixedly connected to the side of the baffle (17) away from the buffer pad (18), and the handle (23) corresponds to the sealing plate (21).

5. A deep drawing die structure according to claim 4, characterized in that: A limiting groove (24) is provided on the baffle (17), and the limiting groove (24) corresponds to the connecting block (9). The baffle (17) is provided with a through hole at the connecting block (9), and a spring ejector pin (25) is inserted into the through hole. The end of the spring ejector pin (25) is inserted into the connecting block (9).

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