CN219004280U - Continuous die for hardware stamping - Google Patents

Abstract

The utility model discloses a continuous die for hardware stamping, which comprises a base (1), a lower die (2) and a die (3), wherein a plurality of uniformly distributed mortises (4) are arranged on the bottom surface of the upper die (3), tenon blocks (5) are arranged in each mortise (4), and a stop block (6) is arranged on one side of each tenon block (5); a fixed plate (7) is arranged on the bottom surface of each tenon block (5), and a stamping head (8) is arranged on the bottom surface of each fixed plate (7); pushing devices are arranged on two sides of the lower die (2), and buffer devices are arranged at two end parts of each pushing device; each buffer device is connected with the bottom surface of the upper die (3); all the punching heads (8) are arranged between the two pushing devices. The utility model not only can be convenient to overhaul, but also has the advantages of high structural stability, high use flexibility, convenient disassembly and assembly, high working efficiency, good stamping effect and long service life.

Description

Continuous die for hardware stamping

Technical Field

The utility model relates to a stamping die, in particular to a continuous die for hardware stamping.

Background

The progressive die is also called progressive die or jump die, and refers to a die which can finish a plurality of working procedures in a press machine at a plurality of different positions in sequence in one stroke; the stamping head is damaged to different degrees in the normal use time of the die, and the stamping head needs to be replaced after the damage reaches a certain degree; however, because the existing stamping heads on the continuous die are directly arranged on the upper die plate, the whole upper die plate needs to be detached for replacement when the stamping heads are replaced, and because the continuous die body is provided with a plurality of stamping heads, that is to say, the whole upper die body is large, once the whole upper die plate is detached, the multi-point stamping heads need to be detached and the subsequent multi-point stamping heads are installed, so that the maintenance is quite inconvenient. Therefore, the conventional progressive die for stamping has the problem of inconvenient maintenance.

Disclosure of Invention

The utility model aims to provide a continuous die for hardware stamping. The utility model has the advantage of convenient maintenance.

The technical scheme of the utility model is as follows: the continuous die for hardware stamping comprises a base, a lower die fixed on the top surface of the base and an upper die arranged above the lower die, wherein a plurality of uniformly distributed mortises are arranged on the bottom surface of the upper die, tenon blocks are arranged in each mortise, and one side of each tenon block is provided with a stop block; the bottom surface of each tenon block is provided with a fixed plate, and the bottom surface of each fixed plate is provided with a stamping head; pushing devices for pushing raw materials to move are arranged on two sides of the lower die, and buffer devices are arranged at two end parts of each pushing device; each buffer device is connected with the bottom surface of the upper die; all the punching heads are arranged between the two pushing devices; by means of the mutual matching of the tenon blocks and the tenon grooves and the limit function of the stop blocks, the whole stamping head can stably stay on the upper die, and follow-up maintenance work can be conveniently carried out; the pushing device can automatically move the raw materials, so that the use is convenient; the buffer device can reduce acting force and reaction force generated between the upper die and the lower die, so that damage to the upper die is reduced, and the service life is prolonged.

In the continuous die for hardware stamping, a first magnet is attached to the side surface of the tenon block, which faces the stop block; a second magnet is attached to the side surface, facing the tenon block, of the stop block, and the second magnet is matched with the first magnet; the side surface of the stop block, which is far away from the tenon block, is sleeved with a baffle ring, and a clamping block is arranged on the side surface of the baffle ring, which faces the upper die; a clamping groove is formed in the side surface of the upper die, corresponding to the clamping block, and the clamping groove is matched with the clamping block; the first magnet and the second magnet are mutually attracted, so that the stop block and the tenon block can be tightly attached together; the clamping blocks on the baffle ring are matched with the clamping grooves on the side surfaces of the upper die, so that the stop block can be stably connected with the upper die, the fixing effect of the stop block on the tenon block is guaranteed, and the stability of the structure is improved.

In the continuous die for hardware stamping, the side surface, far away from the upper die, of the baffle ring is provided with the handle piece; the bottom surface of the fixed plate is also provided with a handle piece positioned at one side of the stamping head, and the handle piece is arranged right above the pushing device; the arrangement of the handle piece facilitates the installation and replacement of the baffle ring and the stamping head, and facilitates the disassembly and assembly.

In the continuous die for hardware stamping, the pushing device comprises a pushing cylinder, and sliding rails are arranged on two sides of the pushing cylinder; a pushing seat is slidably arranged between the two sliding rails and is connected with a pushing cylinder; a plurality of lifting cylinders which are uniformly distributed are arranged on the top surface of the pushing seat, each lifting cylinder is provided with an ejection block, and a buffer layer is adhered on the top surface of each ejection block; impact force between the ejection block and the raw material is reduced by the buffer layer, damage to the raw material is reduced, and production cost is reduced.

In the continuous die for hardware stamping, an adjusting waist hole is formed in the base at a position corresponding to the position between the pushing cylinder and the lower die, and an adjusting seat is arranged in the adjusting waist hole; an infrared sensor is arranged on the top surface of the adjusting seat and is electrically connected with the lifting cylinder; the waist hole is adjusted to adjust the position of the infrared sensor, so that the moving distance of the pushing seat is controlled, the feeding work between stamping heads at different positions can be adapted, and the use is convenient.

In the continuous die for hardware stamping, the buffer device comprises a supporting rod, a lower fixing seat is fixedly arranged on the supporting rod, and an upper fixing seat capable of sliding on the supporting rod is arranged above the lower fixing seat; a buffer spring sleeved on the supporting rod is arranged between the upper fixing seat and the lower fixing seat; and a damping layer is attached to the top surface of the upper fixing seat.

In the continuous die for hardware stamping, the upper die is slidably arranged between all the support rods, and the top surface of the upper die is provided with a connecting seat connected with external driving equipment.

Compared with the prior art, the continuous die for stamping is improved, the plurality of uniformly distributed mortises are formed in the bottom surface of the upper die, the tenon blocks and the baffle blocks are arranged in each mortice, and the stamping heads are arranged on the tenon blocks and are arranged on the bottom surface of the upper die in a stable connection mode, so that the stamping heads at different positions are mutually independent, when the stamping heads are required to be replaced, the corresponding stamping heads are only required to be removed for replacement, and all the stamping heads are not required to be replaced as in the past, thereby not only reducing the maintenance cost, but also facilitating the maintenance; the stop block can block the movement of the tenon block at the end part after the tenon block enters the tenon groove, so that the phenomenon that the tenon block is offset due to reaction force, movement and the like in the stamping process is avoided, the stability of the position of the stamping head is ensured, and the subsequent stamping effect is further ensured; by arranging the pushing devices on two sides of the lower die, the pushing devices can be used for driving raw materials to be pushed out of the lower die and also driving the raw materials to move between the lower parts of different stamping heads, so that the traditional manual movement mode is changed, the labor intensity is reduced, and the working efficiency is improved; meanwhile, the buffer devices are arranged at the two end parts of the pushing device, each buffer device is connected with the bottom surface of the upper die, acting force generated by the upper die and the lower die in the contact process can be reduced by the buffer devices, and therefore the phenomenon that the upper die deflects due to the acting force can be avoided, and the stamping effect is guaranteed. In addition, the first magnet is arranged on the tenon block, the second magnet is arranged on the stop block, and the stop block and the tenon block can be tightly attached together by utilizing the mutual attraction of the first magnet and the second magnet; then, the clamping blocks on the baffle ring are matched with the clamping grooves on the side surface of the upper die, so that the stop block can be stably connected with the upper die, the fixing effect of the stop block on the tenon block position is ensured, and the stability of the structure is improved; the stop ring and the fixed plate are respectively provided with the handle piece, so that the stop block and the tenon block can be conveniently moved by the handle piece, and the assembly and the disassembly are convenient; the sliding rails are arranged on the two sides of the pushing cylinder, so that the sliding rails are utilized to support the movement of the pushing seat, and the use stability is improved; the buffer layer is adhered to the top surface of the ejection block, so that the impact force between the ejection block and the raw material is reduced by using the buffer layer, the damage to the raw material is reduced, and the production cost is reduced; through the arrangement of the infrared sensor, the moving path of the pushing cylinder can be controlled by the infrared sensor, so that the moving path of the whole pushing device to the raw materials is adjusted, the accurate feeding is ensured, and the use accuracy is improved; the distance between the infrared sensor and the pushing cylinder can be adjusted by adjusting the waist hole and the adjusting seat, so that the infrared sensor is better suitable for different stamping modes, and the use flexibility is improved; the upper fixing seat, the lower fixing seat and the buffer spring are arranged, and the lower fixing seat at the fixed position and the movable upper fixing seat are matched with the buffer spring to form a structure equivalent to a spring damper so as to realize the purpose of stabilizing and buffering the upper fixing seat; the setting of fixing base top surface buffer layer not only can further increase buffer's buffering effect, can also reduce the wearing and tearing between fixing base and the last mould, has prolonged life. Therefore, the utility model not only can be convenient to overhaul, but also has the advantages of high structural stability, high use flexibility, convenient disassembly and assembly, high working efficiency, good stamping effect and long service life.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a side view of the present utility model;

FIG. 3 is a top view of the top surface of the base;

FIG. 4 is a side view of the upper die;

FIG. 5 is a schematic view of the internal structure of the upper die;

FIG. 6 is an enlarged view of a portion of FIG. 1 at A;

FIG. 7 is a partial enlarged view at B in FIG. 3;

fig. 8 is a partial enlarged view at C in fig. 5.

The marks in the drawings are: the device comprises a base, a lower die, an upper die, a 4-tenon groove, a 5-tenon block, a 6-stop block, a 7-fixing plate, an 8-stamping head, a 9-second magnet, a 10-baffle ring, an 11-stop block, a 12-clamping groove, a 13-handle piece, a 15-pushing cylinder, a 16-sliding rail, a 17-pushing seat, an 18-lifting cylinder, a 19-ejection block, a 20-buffer layer, a 21-adjusting waist hole, a 22-adjusting seat, a 23-infrared sensor, a 24-supporting rod, a 25-lower fixing seat, a 26-upper fixing seat, a 27-buffer spring, a 28-buffer layer and a 29-first magnet.

Detailed Description

The utility model is further illustrated by the following figures and examples, which are not intended to be limiting.

Examples. The continuous die for hardware stamping comprises a base 1, a lower die 2 fixed on the top surface of the base 1 and an upper die 3 arranged above the lower die 2, wherein a plurality of uniformly distributed mortises 4 are arranged on the bottom surface of the upper die 3, tenon blocks 5 are arranged in each mortises 4, and one side of each tenon block 5 is provided with a stop block 6; a fixed plate 7 is arranged on the bottom surface of each tenon block 5, and a stamping head 8 is arranged on the bottom surface of each fixed plate 7; pushing devices for pushing raw materials to move are arranged on two sides of the lower die 2, and buffer devices are arranged at two ends of each pushing device; each buffer device is connected with the bottom surface of the upper die 3; all the punching heads 8 are arranged between the two pushing devices.

A first magnet 29 is attached to the side surface of the tenon block 5 facing the stop block 6; a second magnet 9 is attached to the side surface, facing the tenon block 5, of the stop block 6, and the second magnet 9 is matched with the first magnet 29; a baffle ring 10 is sleeved on the side surface, far away from the tenon block 5, of the stop block 6, and a clamping block 11 is arranged on the side surface, facing the upper die 3, of the baffle ring 10; a clamping groove 12 is formed in the side surface of the upper die 3 at a position corresponding to the clamping block 11, and the clamping groove 12 is matched with the clamping block 11; a handle piece 13 is arranged on the side surface, far away from the upper die 3, of the baffle ring 10; the bottom surface of the fixed plate 7 is also provided with a handle piece 13 positioned at one side of the stamping head 8, and the handle piece 13 is arranged right above the pushing device; the pushing device comprises a pushing cylinder 15, and sliding rails 16 are arranged on two sides of the pushing cylinder 15; a pushing seat 17 is slidably arranged between the two sliding rails 16, and the pushing seat 17 is connected with a pushing cylinder 15; a plurality of lifting cylinders 18 which are uniformly distributed are arranged on the top surface of the pushing seat 17, an ejection block 19 is arranged on each lifting cylinder 18, and a buffer layer 20 is adhered on the top surface of the ejection block 19; an adjusting waist hole 21 is formed in the base 1 at a position corresponding to the position between the pushing cylinder 15 and the lower die 2, and an adjusting seat 22 is arranged in the adjusting waist hole 21; an infrared sensor 23 is arranged on the top surface of the adjusting seat 22, and the infrared sensor 23 is electrically connected with the lifting cylinder 18; the buffer device comprises a support rod 24, a lower fixing seat 25 is fixedly arranged on the support rod 24, and an upper fixing seat 26 capable of sliding on the support rod 24 is arranged above the lower fixing seat 25; a buffer spring 27 sleeved on the supporting rod 24 is arranged between the upper fixing seat 26 and the lower fixing seat 25; a shock absorption layer 28 is attached to the top surface of the upper fixing seat 26; the upper die 3 is slidably mounted between all the support rods 24, and a connection seat connected with external driving equipment is arranged on the top surface of the upper die 3.

Working principle: during normal use, the upper die 3 is connected with an external driving device for driving the upper die 3 to move up and down through a connecting seat on the top surface of the upper die, and then raw materials to be processed are placed on the lower die 2; then, an external driving device is controlled to drive the upper die 3 to move towards the lower die 2, and the stamping head 8 is stably arranged on the upper die 3 through the tenon block 5, the fixing plate 7 and the tenon groove 4, so that the stamping head 8 is synchronously driven to move together in the moving process of the upper die 3, and the stamping head 8 and the lower die 2 are mutually matched to finish the stamping work of raw materials; meanwhile, because the upper die 3 is slidably arranged on all the supporting rods 24, when the upper die 3 moves towards the lower die 2, the bottom surface of the upper die 3 is firstly contacted with the upper fixing seat 26 and synchronously pushes the upper fixing seat 26 to move towards the lower fixing seat 25, and a buffer spring 27 is arranged between the upper fixing seat 26 and the lower fixing seat 25, so that the upper fixing seat 26, the lower fixing seat 25 and the buffer spring 27 can form a structure similar to a spring damper, the buffering of the upper die 3 can be realized, the reaction force of the lower die 2 to the upper die 3 when the upper die 3 is matched with the lower die 2 is reduced, the phenomenon that the upper die 3 generates position deviation due to the reaction force in the long-time use process is avoided, and the stamping effect is ensured; when one-time stamping is completed, an external driving device drives the upper die 3 to be separated from the lower die 2, at the moment, the lifting cylinder 18 is controlled to be started, the lifting cylinder 18 drives the ejection block 19 to move upwards after being started, and the ejection block 19 contacts with the rim charge of the raw material in the moving process, so that the whole raw material is pushed out of the lower die 2; then, the pushing cylinder 15 is controlled to start, after the pushing cylinder 15 is started, the pushing seat 17 is pushed to move forwards for a certain distance along the direction of the sliding rail 16, and when the pushing seat 17 moves, the ejection block 19 drives the raw material to move forwards for a certain distance right above the lower die 2; when the material moves to a proper distance, the lifting cylinder 18 is controlled to stop, so that the ejection block 19 moves downwards, and then the material can be driven to move towards the lower die 2, and the stamping operation is waited again; then the pushing cylinder 15 is controlled to stop, and the pushing cylinder 15 can drive the pushing seat 17, the lifting cylinder 18 and the ejection block 19 to move towards the initial position after stopping, and the next ejection and material moving work is waited, so that the automatic control of the raw material to move forwards is achieved, and the working efficiency is improved compared with the prior manual operation mode.

When the stamping head 8 is worn out greatly after working for a long time and needs to be replaced, the stamping head 8 is required to be replaced only by taking down the corresponding position of the stamping head 8 which needs to be replaced, specifically, the taking-out mode is that the handle piece 13 on the baffle ring 10 is pulled outwards firstly, the clamping block 11 on the baffle ring 10 is separated from the clamping groove 12 under the action of external force, meanwhile, the second magnet 9 on the stop block 6 is separated from the first magnet 29 on the tenon block 5, so that the stop block 6 can be removed from the tenon groove 4 firstly, then the whole fixing plate 7 is pulled outwards through the handle piece 13 on the fixing plate 7, and the tenon block 5 is slowly separated from the tenon groove 4 in the process of pulling the fixing plate 7, so that the worn stamping head 8 can be separated from the upper die 3; then the step of taking down the punching head 8 is reversely carried out, the new punching head 8 is installed on the upper die 3, namely, the tenon block 5 on the core punching head 8 is aligned with the tenon groove 4 of the hole, so that the tenon groove 4 and the tenon block 5 are mutually matched, the tenon groove 4 and the tenon block 5 are stably assembled together, then the stop block 6 is installed at the notch of the tenon groove 4, the first magnet 29 and the second magnet 9 are mutually matched, so that the stop block 6 and the tenon block 5 are stably attached together, and then the stop block 11 is clamped into the clamping groove 12, so that the stop block 6 can be stably installed on the upper die 3, and the purpose of fixing the position of the punching head 8 is achieved; in the process that the pushing cylinder 15 drives the pushing seat 17 to move, the infrared sensor 23 can be used for detecting the moving path of the pushing seat 17 (wherein the infrared sensor 23 can be specifically of the types such as PIS209, LHI878 or SE 2470); then when the pushing seat 17 is pushed to one side of the infrared sensor 23, the infrared sensor 23 can not detect the pushing seat 17, and at the moment, the infrared sensor 23 can control the pushing cylinder 15 to stop through the external controller, and the lifting cylinder 18 stops, so that the accurate positioning of the distance that the pushing seat 17 drives the raw materials to move forwards can be realized; meanwhile, when the distance that the pushing seat 17 drives the raw materials to move forward is required to be adjusted, the adjusting seat 22 and the adjusting waist hole 21 are loosened, then the adjusting seat 22 is pushed to move in the adjusting waist hole 21, and after the distance is adjusted, the adjusting seat 22 and the adjusting waist hole 21 are fixed together.

Claims (6)

1. Continuous mould is used in five metals punching press, including base (1), lower mould (2) and the last mould (3) of setting in lower mould (2) top on base (1) top surface, its characterized in that: a plurality of uniformly distributed mortises (4) are formed in the bottom surface of the upper die (3), tenon blocks (5) are arranged in each mortises (4), and one side of each tenon block (5) is provided with a stop block (6); a fixed plate (7) is arranged on the bottom surface of each tenon block (5), and a stamping head (8) is arranged on the bottom surface of each fixed plate (7); both sides of the lower die (2) are provided with pushing devices for pushing raw materials to move, and both ends of each pushing device are provided with buffer devices; each buffer device is connected with the bottom surface of the upper die (3); all the punching heads (8) are arranged between the two pushing devices.

2. The continuous die for metal stamping as claimed in claim 1, wherein: a first magnet (29) is attached to the side surface of the tenon block (5) facing the stop block (6); a second magnet (9) is attached to the side surface, facing the tenon block (5), of the stop block (6), and the second magnet (9) is matched with the first magnet (29); a baffle ring (10) is sleeved on the side surface, far away from the tenon block (5), of the stop block (6), and a clamping block (11) is arranged on the side surface, facing the upper die (3), of the baffle ring (10); and a clamping groove (12) is formed in the side surface of the upper die (3) corresponding to the clamping block (11), and the clamping groove (12) is matched with the clamping block (11).

3. The continuous die for metal stamping according to claim 2, characterized in that: a handle piece (13) is arranged on the side surface, far away from the upper die (3), of the baffle ring (10); the bottom surface of the fixed plate (7) is also provided with a handle piece (13) positioned at one side of the punching head (8), and the handle piece (13) is arranged right above the pushing device.

4. The continuous die for metal stamping as claimed in claim 1, wherein: the pushing device comprises a pushing cylinder (15), and sliding rails (16) are arranged on two sides of the pushing cylinder (15); a pushing seat (17) is slidably arranged between the two sliding rails (16), and the pushing seat (17) is connected with a pushing cylinder (15); a plurality of evenly distributed lifting cylinders (18) are arranged on the top surface of the pushing seat (17), an ejection block (19) is arranged on each lifting cylinder (18), and a buffer layer (20) is adhered on the top surface of the ejection block (19).

5. The continuous die for metal stamping as defined in claim 4, wherein: an adjusting waist hole (21) is formed in the base (1) at a position corresponding to the position between the pushing cylinder (15) and the lower die (2), and an adjusting seat (22) is arranged in the adjusting waist hole (21); an infrared sensor (23) is arranged on the top surface of the adjusting seat (22), and the infrared sensor (23) is electrically connected with the lifting cylinder (18).

6. The continuous die for metal stamping as claimed in claim 1, wherein: the upper die (3) is slidably arranged among all the supporting rods (24), and a connecting seat connected with external driving equipment is arranged on the top surface of the upper die (3).

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