CN218486986U

CN218486986U - Durable punching die

Info

Publication number: CN218486986U
Application number: CN202222609424.0U
Authority: CN
Inventors: 李筱健; 徐国栋
Original assignee: Xiamen Huichuan Industry And Trade Co ltd
Current assignee: Xiamen Huichuan Industry And Trade Co ltd
Priority date: 2022-09-30
Filing date: 2022-09-30
Publication date: 2023-02-17
Anticipated expiration: 2032-09-30

Abstract

The utility model provides a durable punching die mould which is used for punching a material belt and comprises a lower template, an upper template which is arranged on the lower template and can move up and down, and a punching head arranged on the upper template; the lower template is provided with a feeding channel, a sliding hole and a punching hole, the sliding hole and the punching hole are consistent in structure and are both perpendicular to the feeding channel, the sliding hole is arranged above the feeding channel and is in sliding connection with the punching head, the punching hole is arranged below the feeding channel, and the punching head is positioned in the sliding hole; the utility model discloses a die-cut mould is through increasing lower template thickness to set up feedstock channel on the lower bolster, the material area passes in the middle of the lower bolster, and then is in the lower bolster all the time when making the die-cut head lift up, avoids the displacement and both direct collisions that produce to produce the damage problem, extension die-cut head life.

Description

Durable punching die

Technical Field

The utility model relates to a technical field of die-cut mould, especially a durable die-cut mould.

Background

The punching die is mainly used for punching sheet metal parts or material belts and the like into required shapes, please refer to fig. 1, and is a conventional punching die, when a punching tool in the prior art is lifted after punching, a punching head can be separated from a knife edge of a lower template, so that when punching is performed again, due to machining precision and a necessary movable gap of a guide pillar and a guide sleeve, a knife touch phenomenon can often occur when the punching head contacts with the knife edge of the lower template in a downward cutting process, and the knife edge is damaged.

In view of the above, the present inventors have specifically designed a durable press-cutting die, and have resulted in this disclosure.

SUMMERY OF THE UTILITY MODEL

In order to solve the above problem, the technical scheme of the utility model is as follows:

a durable punching die mould is used for punching a material belt and comprises a lower template, an upper template which is arranged on the lower template and can move up and down, and a punching head arranged on the upper template;

the punching die is characterized in that a feeding channel, a sliding hole and a punching hole are formed in the lower template, the sliding hole is consistent with the punching hole in structure and is perpendicular to the feeding channel, the sliding hole is formed in the upper portion of the feeding channel and is in sliding connection with the punching head, the punching hole is formed in the lower portion of the feeding channel, and the lower portion of the punching head is located in the sliding hole.

Furthermore, in the stamping process of the die cutting head, the lower part of the die cutting head is always positioned in the sliding hole.

Furthermore, a plurality of guide posts which are connected with the upper template in a sliding manner are arranged on the lower template.

Furthermore, a connecting plate for connecting the punching head is arranged on the upper template.

Furthermore, the lower template is provided with a pressing component for adhering the bottom of the material belt to the bottom of the feeding channel, and the pressing component is at least provided with one group.

Furthermore, the pressing assembly comprises two first stand columns arranged above the lower template side by side, a first supporting plate fixedly arranged above the two first stand columns, a first slide rod connected with the first supporting plate in a sliding manner, a roller arranged below the slide rod, and a first spring sleeved on the first slide rod and used for enabling the bottom of the roller to abut against the bottom of the feeding channel.

Furthermore, a first annular step for supporting a first spring is arranged on the first slide rod, and the spring is arranged between the first annular step and the first supporting plate.

Furthermore, the pressing components are arranged in two groups, wherein one group is arranged close to the opening of the feeding channel, and the other group is arranged close to the outlet of the feeding channel.

Furthermore, the first sliding rod extends into the feeding channel along the upper end face of the lower template and is connected with the lower template in a sliding mode.

Furthermore, a limiting component used for pressing the material belt is further arranged on the lower template.

Furthermore, the limiting assembly comprises a second upright column arranged above the lower template, a second supporting plate arranged above the second upright column, a second sliding rod connected with the second supporting plate in a sliding manner, a limiting block arranged below the second sliding rod, and a second spring sleeved on the second sliding rod and located between the limiting block and the second supporting plate.

The utility model discloses a die-cut mould is through increasing lower template thickness to set up feedstock channel on the lower bolster, the material area passes in the middle of the lower bolster, and then is in the lower bolster all the time when making the die-cut head lift up, avoids the displacement and both direct collisions that produce to produce the damage problem, extension die-cut head life.

Drawings

The accompanying drawings, which are described herein, serve to provide a further understanding of the invention and constitute a part of this specification, and the exemplary embodiments and descriptions thereof are provided for explaining the invention without unduly limiting it.

Wherein:

fig. 1 is a prior structural diagram of the die-cutting die of the present invention;

fig. 2 is a schematic structural view of a die cutting die in embodiment 1 of the present invention;

fig. 3 is a sectional view of a die-cutting die in embodiment 1 of the present invention;

fig. 4 is a schematic structural view of a punching die in embodiment 2 of the present invention;

fig. 5 is a schematic structural diagram of a pressing assembly in embodiment 2 of the present invention;

fig. 6 is a cross-sectional view of a press-fit assembly in embodiment 2 of the present invention;

fig. 7 is a schematic structural diagram of a limiting assembly in embodiment 2 of the present invention.

Description of reference numerals:

10. a lower template; 11. a feed channel; 12. a slide hole; 13. punching a hole; 20. mounting a template; 30. punching a head; 40. a guide post; 50. a connecting plate; 60. pressing the components; 61. a first upright post; 62. a first support plate; 63. a first slide bar; 631. a first annular step; 64. a roller; 65. a first spring; 66. a connecting shaft; 70. a limiting component; 71. a second upright post; 72. a second support plate; 73. a second slide bar; 74. a limiting block; 75. a second spring.

Detailed Description

In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention clearer and more obvious, the following description of the present invention with reference to the accompanying drawings and embodiments is provided for further details. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

Example 1

Referring to fig. 2 to 3, a durable die-cutting die according to embodiment 1 of the present invention is used for stamping a material strip, and includes a lower template 10, an upper template 20 disposed on the lower template 10 and capable of moving up and down, and a die-cutting head 30 disposed on the upper template 20.

Set up feedstock channel 11, sliding hole 12 and punching press hole 13 on the lower bolster 10, sliding hole 12 is unanimous with 13 structures in punching press hole and all sets up perpendicularly with feedstock channel 11, sliding hole 12 set up in feedstock channel 11 top and with blanking head 30 sliding connection, punching press hole 13 sets up in feedstock channel 11 below, and blanking head 30 below is located sliding hole 12.

The sliding hole 12 and the punching hole 13 of the embodiment are integrally formed, specifically, after the feeding channel 11 is firstly processed, a through hole matched with the punching head 30 is processed, the through hole forms the sliding hole 12 and the punching hole 13 under the action of the feeding channel 11, the hole position processed by the method is high in precision, and the lower part of the punching head 30 is always positioned in the sliding hole 12 in the punching process. The damage problem caused by direct collision of the two caused by displacement is avoided, and the service life of the punching head 30 is prolonged.

The lower template 10 is provided with a plurality of guide posts 40 slidably connected with the upper template 20, wherein the number of the guide posts 40 is two, and the two guide posts are fixedly arranged on the lower template 10 and connected with the upper template 20 through sliding sleeves.

The upper die plate 20 is provided with a connecting plate 50 for connecting the punching head 30, wherein the punching head 30 can be fixedly arranged below the connecting part, and then after the punching head 30 passes through the upper die plate 20, the connecting plate 50 is locked on the upper die plate 20 through a bolt matched with a positioning pin, so that the punching head 30 can be conveniently replaced.

Example 2

Referring to fig. 4 to 7, a durable die-cutting die according to embodiment 2 of the present invention is shown, and the difference between this embodiment and embodiment 1 is that a pressing assembly 60 and a limiting assembly 70 are added, specifically, the lower template 10 is provided with the pressing assembly 60 for attaching the bottom of the material tape to the bottom of the feeding channel 11, and at least one group of the pressing assemblies 60 is provided, wherein two groups of the pressing assemblies 60 can be provided, one group is provided near the opening of the feeding channel 11, and the other group is provided near the outlet of the feeding channel 11; in this embodiment, the pressing assemblies 60 are only provided in one group, and are disposed near the opening of the feeding channel 11, and are used in cooperation with the limiting assembly 70, so that the material strip is tightly attached to the bottom of the feeding channel 11.

The pressing assembly 60 includes two first columns 61 disposed above the lower mold plate 10 side by side, a first supporting plate 62 fixedly disposed above the two first columns 61, a first slide bar 63 slidably connected to the first supporting plate 62, a roller 64 disposed below the slide bar, and a first spring 65 sleeved on the first slide bar 63 and used for urging the bottom of the roller 64 against the bottom of the feeding channel 11. The first sliding rod 63 is provided with a first annular step 631 for supporting the first spring 65, the spring is arranged between the first annular step 631 and the first supporting plate 62, under the action of the spring, the roller 64 abuts against the upper end face of the material belt, and the roller 64 is rotatably connected with the first sliding rod 63 through the connecting shaft 66, so that the material belt can be more smoothly dragged after being punched, and the roller can be opened by using a bearing.

The first sliding rod 63 extends into the feeding channel 11 along the upper end surface of the lower template 10, is connected with the lower template 10 in a sliding manner, and is provided with a groove for embedding the roller 64 below.

The lower template 10 is also provided with a limiting component 70 for pressing the material belt; the limiting assembly 70 comprises a second upright column 71 arranged above the lower template 10, a second support plate 72 arranged above the second upright column 71, a second sliding rod 73 connected with the second support plate 72 in a sliding manner, a limiting block 74 arranged below the second sliding rod 73, and a second spring 75 sleeved on the second sliding rod 73 and positioned between the limiting block 74 and the second support plate 72; under the action of the second spring 75, the limiting block 74 is tightly attached to the upper end surface of the material belt, and a certain pressure is applied, so that the material belt is attached to the bottom of the feeding channel 11, and the material belt is a punched leftover material.

The utility model discloses a fixed mode is current structure, can adopt modes such as bolt, and first slide bar 63 and second slide bar 73 upper end all set up the second spacing ring that is located first backup arm/second backup pad 72 top.

To sum up, the utility model discloses a die-cut mould is through increasing lower template thickness to set up feedstock channel on the lower bolster, the material area passes in the middle of the lower bolster, and then makes in being in the lower bolster all the time when die-cutting head lifts up, avoids the displacement and both direct collisions that produce to produce the damage problem, extension die-cutting head life.

The above description is for illustrative purposes only, and it is obvious that the present invention is not limited by the above embodiments, and the present invention is not limited by the above description, and the present invention is applicable to other situations without any improvement or any substantial improvement.

Claims

1. A durable punching die is used for punching a material belt and is characterized by comprising a lower template (10), an upper template (20) which is arranged on the lower template (10) and can move up and down, and a punching head (30) which is arranged on the upper template (20);

set up feedstock channel (11), sliding hole (12) and punching press hole (13) on lower bolster (10), sliding hole (12) are unanimous with punching press hole (13) structure and all set up perpendicularly with feedstock channel (11), sliding hole (12) set up in feedstock channel (11) top and with die-cutting head (30) sliding connection, punching press hole (13) set up in feedstock channel (11) below, die-cutting head (30) below is located sliding hole (12).

2. A die-cut die as claimed in claim 1, wherein the lower platen (10) is provided with a plurality of guide posts (40) slidably connected to the upper platen (20).

3. A durable blanking die according to claim 1, wherein the upper die plate (20) is provided with a web (50) for attachment of a blanking head (30).

4. A die-cut die according to claim 1, wherein the lower die plate (10) is provided with at least one pressing assembly (60) for fitting the bottom of the strip to the bottom of the feed channel (11), and the pressing assemblies (60) are provided in at least one group.

5. The die-cutting die set of claim 4, wherein the pressing assembly (60) comprises two first pillars (61) arranged side by side above the lower die plate (10), a first supporting plate (62) fixedly arranged above the two first pillars (61), a first sliding rod (63) slidably connected with the first supporting plate (62), a roller (64) arranged below the sliding rod, and a first spring (65) sleeved on the first sliding rod (63) and used for abutting the bottom of the roller (64) against the bottom of the feeding channel (11).

6. A durable blanking die according to claim 5, characterized in that the first slide (63) is provided with a first annular step (631) for supporting a first spring (65), which spring is arranged between the first annular step (631) and the first support plate (62).

7. A die-cutting die assembly according to claim 4, wherein the pressing member (60) is provided in two groups, one group being provided near the opening of the feed passage (11) and the other group being provided near the outlet of the feed passage (11).

8. A die-cut die according to claim 6, characterized in that the first slide (63) extends along the upper end face of the lower die plate (10) into the feed channel (11) and is slidably connected to the lower die plate (10).

9. A die-cut die as claimed in claim 1, wherein the lower die plate (10) is further provided with a limiting component (70) for pressing the material strip.

10. The die-cutting die of claim 9, wherein the limiting assembly (70) comprises a second upright (71) disposed above the lower die plate (10), a second supporting plate (72) disposed above the second upright (71), a second sliding rod (73) slidably connected to the second supporting plate (72), a limiting block (74) disposed below the second sliding rod (73), and a second spring (75) sleeved on the second sliding rod (73) and located between the limiting block (74) and the second supporting plate (72).