Punching die with adjustable punching head

Abstract

The utility model discloses a punching die with an adjustable punching head, relates to the technical field of punching dies, and aims to solve the problems that in the prior art, when a silica gel pad is punched, the height position of a cutter of the punching head is inconvenient to adjust according to needs, and the flexibility is poor. A fixed seat is fixedly installed above the die bottom plate, a movable seat is arranged above the fixed seat, two punching grooves are symmetrically formed in the two sides of the middle of the upper portion of the movable seat, adjusting holes are formed in the movable seat along the lower portions of the punching grooves, and punching heads are arranged in the adjusting holes. The punching head comprises a tool apron and a cutter, a cross-shaped groove hole is formed in the tool apron, the cutter is arranged to be a cross-shaped cutter, a mounting seat is fixedly mounted below the cutter, an adjusting mechanism is arranged below the mounting seat, and the adjusting mechanism comprises a threaded cylinder, a threaded rod, a rotating cap and a flat plate. And the upper end of the threaded cylinder is fixedly connected with the mounting seat.

Description

Technical Field

[0001] The utility model relates to the technical field of punching dies, in particular to a punching die with an adjustable punching head. Background Art

[0002] Silicone mats are mainly made of food-grade silicone and are made through a special process. Silicone mats are a type of silicone product with many excellent properties and a wide range of applications. They are environmentally friendly, safe, easy to clean, and durable, making them an ideal choice for home kitchens and the food processing industry. In order to facilitate subsequent use during the production and processing of silicone mats, they are often punched out using a punching die.

[0003] For example, the authorized patent with announcement number CN 215790403 U (A punching die with adjustable position): includes a support plate, on which a plurality of punching heads are provided, and the punching heads can be translated or positioned on the upper surface of the support plate. Furthermore, the punching head includes a support platform, a cutter, and a punching die. The support platform is provided with a plurality of positioning holes, and the support plate is provided with threaded holes at positions corresponding to the positioning holes. Corresponding bolts are passed through the positioning holes and locked into the threaded holes to position the support platform; the aperture of the positioning hole is larger than the diameter of the bolt, and the support platform translates through the gap between the positioning hole and the bolt;

[0004] Although the above-mentioned existing technology is convenient for adjusting the position, the punching head cutter does not have the ability to be raised and lowered. Therefore, when punching the silicone pad, it is not convenient to adjust the height position of the punching head cutter according to needs, and the flexibility is poor. Therefore, the market urgently needs to develop a punching mold with an adjustable punching head to help people solve the existing problems. Utility Model Content

[0005] The purpose of the present invention is to provide a punching die with an adjustable punching head to solve the problem of poor flexibility in adjusting the height position of the punching head cutter as needed during punching of silicone pads, as mentioned in the above background technology.

[0006] To achieve the above-mentioned objectives, the present invention provides the following technical solutions: a punching die with an adjustable punching head, comprising a die base, a fixed seat fixedly installed above the die base, a movable seat provided above the fixed seat, two punching grooves symmetrically provided on both sides of the middle above the movable seat, an adjustment hole provided inside the movable seat along the bottom of the punching groove, a punching head provided inside the adjustment hole, the punching head comprising a knife seat and a cutter, a cross-shaped slot hole provided inside the knife seat, the cutter being configured as a cross-shaped cutter, a mounting seat fixedly installed below the cutter, an adjustment mechanism provided below the mounting seat, the adjustment mechanism comprising a threaded barrel, a threaded rod, a rotating cap and a flat plate, the upper end of the threaded barrel being fixedly connected to the mounting seat, the threaded rod provided below the threaded barrel, and the upper end of the threaded rod passing through the interior of the threaded barrel.

[0007] Preferably, a bottom groove is provided inside the fixing seat, a through hole one is provided inside the fixing seat along the top of the bottom groove, and the through hole one corresponds to the position of the adjustment hole, the flat plate is provided inside the bottom groove, and the flat plate is fixedly installed on the fixing seat, the lower end of the threaded rod is rotatably installed on the flat plate, and the rotating cap is provided below the flat plate and fixedly connected to the threaded rod.

[0008] Preferably, guide cylinders are symmetrically provided on both sides below the flat plate, and guide rods are symmetrically fixedly installed on both sides below the mounting seat. The lower ends of the guide rods slide through the flat plate and the guide cylinders in sequence, and a fixing screw is threadedly installed on one side of the guide cylinder, and the threaded end of the fixing screw is in contact with the guide rod.

[0009] Preferably, pin holes are provided at the four corners inside the movable seat, and guide holes are provided at the four corners inside the fixed seat. The four pin holes correspond to the positions of the four guide holes respectively, and pin sleeves are fixedly installed inside the guide holes of the fixed seat.

[0010] Preferably, a guide pin is provided inside the pin hole of the movable seat, the lower end of the guide pin extends into the interior of the pin sleeve, and a compression spring is provided on the outer side of the guide pin along the top of the pin sleeve.

[0011] Preferably, a connecting hole is provided in the middle of the front end and the rear end of the movable seat, and a threaded hole is provided in the middle of the front end and the rear end of the fixed seat, and the positions of the connecting hole and the threaded hole correspond to each other.

[0012] Preferably, a fixing screw is provided inside the connecting hole of the movable seat, and the fixing screw includes a rod body section and a threaded section. The rod body section is provided above the threaded section, and the threaded section of the fixing screw extends into the interior of the threaded hole and is threadedly connected to the fixing seat.

[0013] Compared with the prior art, the beneficial effects of the present invention are:

[0014] 1. The utility model provides an adjustment mechanism below the mounting seat below the cutter of the punching head, so that the threaded rod inside the adjustment mechanism rotates, and the threaded cylinder drives the mounting seat to move up and down, thereby realizing the lifting and lowering adjustment capability of the cutter of the punching head, and conveniently adjusting the height position of the cutter of the punching head according to needs, realizing the punching processing of silicone pads of different thicknesses, without changing the mold or performing complicated adjustment operations, thereby simplifying the production process and improving work efficiency.

[0015] 2. The utility model provides a guide tube and a guide rod under the flat plate and fixes them with fixing screws, thereby effectively preventing the mounting base from shifting or shaking during the lifting process, ensuring the accuracy and reliability of the cutting head's cutter lifting adjustment, thereby improving the precision and consistency of the punching process.

[0016] 3. The utility model improves the guiding and buffering performance of the movable seat by arranging a guide pin, a pin sleeve and a compression spring between the movable seat and the fixed seat. It not only provides a stable guiding effect for the movable seat, but also can absorb and disperse the impact force during the punching process, effectively protecting the mold structure and extending the service life. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of a punching die with an adjustable punching head according to the present invention;

[0018] Figure 2 It is a cross-sectional view of the connection portion of the fixed seat, the movable seat and the knife seat of the utility model;

[0019] Figure 3 It is a cross-sectional view of the pin hole and the connecting hole of the utility model;

[0020] Figure 4 It is an enlarged schematic diagram of part A of the present invention.

[0021] In the figure: 1. Mold base plate; 2. Fixed seat; 201. Through hole 1; 202. Bottom groove; 203. Guide hole; 204. Threaded hole; 3. Movable seat; 301. Punching groove; 302. Adjustment hole; 303. Pin hole; 304. Connecting hole; 4. Knife seat; 5. Cutter; 6. Mounting seat; 7. Threaded barrel; 8. Threaded rod; 9. Turning cap; 10. Flat plate; 11. Guide rod; 12. Guide barrel; 13. Fixing screw; 14. Guide pin; 15. Compression spring; 16. Pin sleeve; 17. Fixing screw; 1701. Rod section; 1702. Threaded section. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0023] See also Figure 1-4 The utility model provides an embodiment of a punching die with an adjustable punching head, comprising a die base 1, a fixed seat 2 is fixedly installed above the die base 1, a movable seat 3 is provided above the fixed seat 2, two punching grooves 301 are symmetrically provided on both sides of the middle above the movable seat 3, an adjusting hole 302 is provided inside the movable seat 3 along the lower part of the punching groove 301, and a punching head is provided inside the adjusting hole 302.

[0024] During use, an adjustment mechanism is provided below the mounting seat 6 below the cutter 5 of the punching head, so that the threaded rod 8 inside the adjustment mechanism is rotated, and the threaded cylinder 7 drives the mounting seat 6 to move up and down, thereby realizing the lifting and lowering adjustment capability of the cutter 5 of the punching head. When punching the silicone pad, it is convenient to adjust the height position of the punching head cutter according to needs, which is beneficial to the punching of silicone pads of different thicknesses and increases the flexibility of the mold.

[0025] Furthermore, a bottom groove 202 is provided inside the fixing seat 2, and a through hole 201 is provided inside the fixing seat 2 along the top of the bottom groove 202, and the through hole 201 corresponds to the position of the adjustment hole 302. The flat plate 10 is provided inside the bottom groove 202, and the flat plate 10 is fixedly installed on the fixing seat 2, the lower end of the threaded rod 8 is rotatably installed on the flat plate 10, and the rotating cap 9 is provided below the flat plate 10 and fixedly connected to the threaded rod 8. By providing the bottom groove 202, the through hole 201 and the rotatable installation of the flat plate 10 and the threaded rod 8 inside the fixing seat 2, it is ensured that the adjustment mechanism can be stably installed inside the mold.

[0026] Furthermore, guide cylinders 12 are symmetrically provided on both sides below the flat plate 10, and guide rods 11 are symmetrically fixedly installed on both sides below the mounting seat 6. The lower ends of the guide rods 11 slide through the flat plate 10 and the guide cylinder 12 in sequence. A fixing screw 13 is threadedly installed on one side of the guide cylinder 12, and the threaded end of the fixing screw 13 is in contact with the guide rod 11. By arranging the guide cylinder 12 and the guide rod 11 below the flat plate 10 and fixing them with the fixing screw 13, the mounting seat 6 is effectively prevented from being offset or shaking during the lifting process, thereby ensuring the accuracy and reliability of the lifting and lowering adjustment of the cutter 5 of the punching head, thereby improving the accuracy and consistency of the punching process.

[0027] Furthermore, pin holes 303 are provided at the four corners inside the movable seat 3, and guide holes 203 are provided at the four corners inside the fixed seat 2. The four pin holes 303 correspond to the positions of the four guide holes 203 respectively. A pin sleeve 16 is fixedly installed inside the guide hole 203 of the fixed seat 2, and a guide pin 14 is provided inside the pin hole 303 of the movable seat 3. The lower end of the guide pin 14 extends into the interior of the pin sleeve 16, and a compression spring 15 is provided on the outer side of the guide pin 14 along the top of the pin sleeve 16. By arranging the guide pin 14, the pin sleeve 16 and the compression spring 15 between the movable seat 3 and the fixed seat 2, improvements are brought about in the guiding and buffering performance of the movable seat 3, which not only provides a stable guiding effect for the movable seat 3, but also can absorb and disperse the impact force during the punching process, effectively protect the mold structure, and extend the service life.

[0028] Furthermore, connecting holes 304 are provided in the middle of the front end and the rear end of the movable seat 3, and threaded holes 204 are provided in the middle of the front end and the rear end of the fixed seat 2. The connecting holes 304 and the threaded holes 204 correspond in position to each other. A fixing screw 17 is provided inside the connecting hole 304 of the movable seat 3. The fixing screw 17 includes a rod body section 1701 and a threaded section 1702. The rod body section 1701 is provided above the threaded section 1702. The threaded section 1702 of the fixing screw 17 extends into the interior of the threaded hole 204 and is threadedly connected to the fixed seat 2. By arranging the connecting hole 304, the threaded hole 204 and the fixing screw 17 between the movable seat 3 and the fixed seat 2, the movable seat 3 can be conveniently connected and disassembled with the fixed seat 2 through the fixing screw 17, which is convenient for maintenance and replacement of the mold.

[0029] Working principle: When in use, the adjustment mechanism is connected through the mounting seat 6 below the cutter 5, which includes a threaded cylinder 7, a threaded rod 8, a rotating cap 9 and a flat plate 10. By rotating the rotating cap 9, the threaded rod 8 is driven to rotate on the flat plate 10, and then the threaded cylinder 7 drives the mounting seat 6 and the cutter 5 to move up and down, so as to adjust the height of the punching head cutter 5, and the guide cylinder 12 below the flat plate 10 cooperates with the guide rod 11 below the mounting seat 6 to prevent deviation and shaking during the lifting process. The movable seat 3 and the fixed seat 2 are provided with stable guidance and buffer protection by the guide pin 14, the pin sleeve 16 and the compression spring 15. When the silicone pad is punching, the mold is installed on the punching device, and then the silicone pad is placed in the punching groove 301. The movable seat 3 is pressed downward by the pressure block on the punching device, so that the cutter 5 can pass through the knife seat 4 for punching.

[0030] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above and that the present invention can be implemented in other specific forms without departing from the spirit or essential characteristics of the present invention. Therefore, the embodiments should be considered in all respects as illustrative and non-restrictive, and the scope of the present invention is defined by the appended claims, not the foregoing description, and all variations within the meaning and range of equivalents of the claims are intended to be encompassed within the present invention. Any reference sign in a claim should not be construed as limiting the claim to which it relates.

Claims

1. A punching die with an adjustable punching head, comprising a die base (1), characterized in that: A fixed seat (2) is fixedly installed above the mold bottom plate (1), a movable seat (3) is arranged above the fixed seat (2), two punching grooves (301) are symmetrically arranged on both sides of the middle above the movable seat (3), an adjustment hole (302) is arranged inside the movable seat (3) along the bottom of the punching groove (301), a punching head is arranged inside the adjustment hole (302), the punching head includes a knife seat (4) and a cutting knife (5), and the knife seat (4) is provided with a A cross-shaped slot hole is provided, the cutter (5) is configured as a cross-shaped cutter, a mounting seat (6) is fixedly mounted below the cutter (5), an adjustment mechanism is provided below the mounting seat (6), the adjustment mechanism comprises a threaded barrel (7), a threaded rod (8), a rotating cap (9) and a flat plate (10), the upper end of the threaded barrel (7) is fixedly connected to the mounting seat (6), the threaded rod (8) is provided below the threaded barrel (7), and the upper end of the threaded rod (8) passes through the interior of the threaded barrel (7).

2. The punching die with an adjustable punching head according to claim 1, characterized in that: The fixing seat (2) is provided with a bottom groove (202) inside, and a through hole (201) is provided inside the fixing seat (2) along the top of the bottom groove (202), and the through hole (201) corresponds to the position of the adjustment hole (302). The flat plate (10) is provided inside the bottom groove (202), and the flat plate (10) is fixedly mounted on the fixing seat (2). The lower end of the threaded rod (8) is rotatably mounted on the flat plate (10), and the rotating cap (9) is provided below the flat plate (10) and is fixedly connected to the threaded rod (8).

3. The punching die with an adjustable punching head according to claim 2, characterized in that: Guide cylinders (12) are symmetrically arranged on both sides below the flat plate (10), and guide rods (11) are symmetrically fixedly installed on both sides below the mounting seat (6). The lower ends of the guide rods (11) slide through the flat plate (10) and the guide cylinder (12) in sequence. A fixing screw (13) is threadedly installed on one side of the guide cylinder (12), and the threaded end of the fixing screw (13) is in contact with the guide rod (11).

4. The punching die with an adjustable punching head according to claim 1, characterized in that: Pin holes (303) are provided at the four corners inside the movable seat (3), and guide holes (203) are provided at the four corners inside the fixed seat (2). The four pin holes (303) correspond to the positions of the four guide holes (203) respectively, and a pin sleeve (16) is fixedly installed inside the guide hole (203) of the fixed seat (2).

5. The punching die with an adjustable punching head according to claim 4, characterized in that: A guide pin (14) is provided inside the pin hole (303) of the movable seat (3), the lower end of the guide pin (14) extends into the interior of the pin sleeve (16), and a compression spring (15) is provided on the outer side of the guide pin (14) along the upper side of the pin sleeve (16).

6. The punching die with an adjustable punching head according to claim 1, characterized in that: The movable seat (3) is provided with a connecting hole (304) in the middle of the front end and the rear end, and the fixed seat (2) is provided with a threaded hole (204) in the middle of the front end and the rear end, and the connecting hole (304) and the threaded hole (204) are positioned correspondingly.

7. The punching die with an adjustable punching head according to claim 6, characterized in that: A fixing screw (17) is provided inside the connection hole (304) of the movable seat (3), and the fixing screw (17) comprises a rod section (1701) and a threaded section (1702). The rod section (1701) is provided above the threaded section (1702), and the threaded section (1702) of the fixing screw (17) extends into the interior of the threaded hole (204) and is threadedly connected to the fixed seat (2).

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