Punching die facilitating adjustment of punching edge distance

Abstract

The utility model relates to the technical field of punching dies, and discloses a punching die convenient to adjust the punching edge distance, which comprises a bottom shell, a top shell is arranged at the top of the bottom shell, a bottom rotating shaft is movably connected to the inner wall of the bottom shell, a bottom middle groove is formed in the outer edge of the bottom rotating shaft, and a top middle groove is formed in the bottom middle groove. Bottom threaded grooves are formed in the left side and the right side of the bottom middle groove. A top rotating shaft rotates to drive a top side rod and a top side mold to slide in a top threaded groove, at the moment, the distance between the top side mold and a top middle mold changes, and a bottom rotating shaft rotates to drive a bottom side rod and a bottom side mold to slide in a bottom threaded groove; at the moment, the distance between a bottom side die and a bottom middle die is changed, the distance between existing punching dies is fixed, the distance between the punching dies cannot be adjusted according to various products, an integrated die needs to be replaced, the die is well punched in advance, and therefore time and labor are wasted during replacement.

Description

TECHNICAL FIELD

[0001] The utility model relates to punch die technical field, concretely is a punch die convenient to adjust punch edge distance. BACKGROUND

[0002] Punching refers to punching various patterns on materials such as steel plates, leather, cloth and wood boards to meet different needs, and punching is often required in manufacturing, processing and sheet metal industries, and punching dies need to be used.

[0003] The distance between the existing punch dies is fixed, and cannot be adjusted according to the distance between the punch dies for various products, so an integrated die needs to be replaced, and this die is pre-drilled, so it is very time-consuming and laborious to replace. INVENTION CONTENTS

[0004] In view of the deficiencies of the prior art, the utility model provides a punch die convenient to adjust punch edge distance, which has the advantages that the distance between the dies can be adjusted and the upper and lower dies can be adjusted synchronously, solving the problems raised in the above background technology.

[0005] The utility model provides following technical scheme: a punch die convenient to adjust punch edge distance, including bottom shell, the top of bottom shell is equipped with top shell, the inner wall of bottom shell is connected with bottom pivot swingingly, the outer rim of bottom pivot is equipped with bottom middle groove, the left and right sides of bottom middle groove are equipped with bottom thread groove, the inner wall of bottom middle groove and bottom thread groove is connected with bottom middle rod and bottom side rod respectively, the outer rim of bottom middle rod and bottom side rod is installed with bottom middle die and bottom side die respectively, the inner wall of top shell is connected with top pivot swingingly, the outer rim of top pivot is equipped with top middle groove, the left and right sides of top middle groove are equipped with top thread groove, the inner wall of top middle groove and top thread groove is connected with top middle rod and top side rod respectively, the outer rim of top middle rod and top side rod is installed with top middle die and top side die respectively.

[0006] As a preferred technical scheme of the utility model, the outer wall of the bottom shell is fixedly assembled with a connecting base, the top of the connecting base is fixedly assembled with a limiting column, the top of the limiting column is fixedly assembled with a mounting plate, the two ends of the top of the mounting plate are installed with air cylinders, and the bottom of the bottom shell is provided with a through groove.

[0007] As a preferred technical scheme of the utility model, the outer rim of the limiting column is slidably connected with a limiting block, the limiting block is fixedly assembled on the top shell, and the power output shaft of the air cylinder is installed on the top shell.

[0008] As a preferred technical scheme of the utility model, the inner wall of the top shell is fixedly assembled with a top limiting frame, the top middle rod and the top side rod are slidably connected with the top limiting frame, the inner wall of the bottom shell is fixedly assembled with a bottom limiting frame, and the bottom middle rod and the bottom side rod are slidably connected with the bottom limiting frame.

[0009] As a preferred technical scheme of the utility model, the outer edges of the bottom rotating shaft and the top rotating shaft are respectively fixedly sleeved with a bottom worm wheel and a top worm wheel, the outer edges of the bottom worm wheel and the top worm wheel are respectively meshed with a bottom worm and a top worm, and the bottom worm and the top worm are connected through a connecting rod.

[0010] As a preferred technical scheme of the utility model, the connecting rod is fixedly connected with the bottom worm, and the connecting rod is slidably connected with the top worm.

[0011] Compared with the prior art, the utility model has the following beneficial effects:

[0012] 1. The punching die convenient to adjust the punching edge distance, the top rotating shaft drives the top side rod and the top side die to slide in the top screw groove, the distance between the top side die and the top middle die changes at the moment, the bottom rotating shaft drives the bottom side rod and the bottom side die to slide in the bottom screw groove, the distance between the bottom side die and the bottom middle die changes at the moment, the distance between the existing punching dies is fixed, cannot be adjusted according to various products, needs to replace the integral die, the die is pre-punched, therefore, the problem that it is very time-consuming and laborious when replacing.

[0013] 2. The punching die convenient to adjust the punching edge distance, the top worm and the bottom worm are connected through the connecting rod, the top worm and the bottom worm can synchronously rotate, the top side die and the bottom side die can be synchronously adjusted, and the top side die and the bottom side die are more accurate in correspondence. DRAWINGS

[0014] Figure 1 It is a front structure schematic view of the utility model;

[0015] Figure 2 It is a bottom structure schematic view of the utility model;

[0016] Figure 3 It is a top die internal structure schematic view of the utility model;

[0017] Figure 4 It is a bottom die internal structure schematic view of the utility model;

[0018] Figure 5 It is a top die internal structure schematic view of the utility model Figure 4The enlarged structure schematic view of A in the figure.

[0019] In the figure: 1, bottom shell; 2, connecting base; 3, limiting column; 31, mounting plate; 4, limiting block; 5, top shell; 6, air cylinder; 7, bottom rotating shaft; 71, bottom middle groove; 72, bottom screw groove; 73, bottom middle rod; 74, bottom side rod; 75, bottom middle mold; 76, bottom side mold; 8, bottom worm wheel; 9, bottom worm; 10, connecting rod; 11, top worm; 12, top worm wheel; 13, top rotating shaft; 131, top middle groove; 132, top screw groove; 133, top middle rod; 134, top side rod; 135, top middle mold; 136, top side mold; 14, through groove; 15, top limiting frame; 16, bottom limiting frame. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0021] Please refer to Figure 1 - Figure 5The utility model provides a punch die convenient to adjust punch edge distance, including bottom shell 1, the top of bottom shell 1 is equipped with top shell 5, the inner wall of bottom shell 1 is connected with bottom pivot 7, the outer edge of bottom pivot 7 is equipped with bottom middle groove 71, the left and right sides of bottom middle groove 71 are equipped with bottom screw groove 72, the inner wall of bottom middle groove 71 and bottom screw groove 72 is slidably connected with bottom middle rod 73 and bottom side rod 74 respectively, the outer edge of bottom middle rod 73 and bottom side rod 74 is installed with bottom middle die 75 and bottom side die 76 respectively, and bottom side rod 74 is slid in bottom screw groove 72 by the rotation of bottom pivot 7, because bottom screw groove 72 is screw thread, the rotation of bottom pivot 7 can push bottom side rod 74 to move, the distance between bottom side rod 74 and bottom middle rod 73 changes, so the distance between bottom side die 76 and bottom middle die 75 can be changed, the inner wall of top shell 5 is connected with top pivot 13, the outer edge of top pivot 13 is equipped with top middle groove 131, the left and right sides of top middle groove 131 are equipped with top screw groove 132, the inner wall of top middle groove 131 and top screw groove 132 is slidably connected with top middle rod 133 and top side rod 134 respectively, the outer edge of top middle rod 133 and top side rod 134 is installed with top middle die 135 and top side die 136 respectively, and top side rod 134 is slid in top screw groove 132 by the rotation of top pivot 13, because top screw groove 132 is screw thread, the rotation of top pivot 13 can push top side rod 134 to move, the distance between top side rod 134 and top middle rod 133 changes, so the distance between top side die 136 and top middle die 135 can be changed.

[0022] In a preferred embodiment, the outer wall of the bottom shell 1 is fixedly fitted with a connecting base 2, the top of the connecting base 2 is fixedly fitted with a limiting column 3, the top of the limiting column 3 is fixedly fitted with a mounting plate 31, the two ends of the top of the mounting plate 31 are mounted with air cylinders 6, the mounting plate 31 supports the air cylinders 6, so that the air cylinders 6 can be mounted on the mounting plate 31, and the bottom of the bottom shell 1 is provided with a through groove 14, so that the waste after punching can fall onto the desktop through the through groove 14, making it easy to clean up.

[0023] In a preferred embodiment, the outer edge of the limiting column 3 is slidably connected with a limiting block 4, the limiting block 4 is fixedly fitted on the top shell 5, the power output shaft of the air cylinder 6 is mounted on the top shell 5, the top shell 5 is lifted and lowered by the extension and contraction of the air cylinder 6, so that the top middle die 135 and the top side die 136 can be in contact with the bottom middle die 75 and the bottom side die 76 for punching.

[0024] In a preferred embodiment, the inner wall of the top shell 5 is fixedly provided with a top limiting frame 15, the top middle rod 133 and the top side rod 134 are in sliding connection with the top limiting frame 15, when the distance is changed, at this time the top middle rod 133 and the top side rod 134 slide in the top limiting frame 15, the top limiting frame 15 limits the top middle rod 133 and the top side rod 134, the inner wall of the bottom shell 1 is fixedly provided with a bottom limiting frame 16, the bottom middle rod 73 and the bottom side rod 74 are in sliding connection with the bottom limiting frame 16, when the distance is changed, at this time the bottom middle rod 73 and the bottom side rod 74 slide in the bottom limiting frame 16, the bottom limiting frame 16 limits the top middle rod 133 and the top side rod 134.

[0025] In a preferred embodiment, the outer edges of the bottom rotating shaft 7 and the top rotating shaft 13 are respectively fixedly sleeved with the bottom worm gear 8 and the top worm gear 12, the outer edges of the bottom worm gear 8 and the top worm gear 12 are respectively meshed with the bottom worm 9 and the top worm 11, the bottom worm 9 and the top worm 11 are connected through the connecting rod 10, by rotating the top worm 11, the top worm 11 rotates to drive the connecting rod 10 and the bottom worm 9 to rotate, at this time the top worm 11 and the bottom worm 9 rotate to drive the top worm gear 12 and the bottom worm gear 8 to rotate respectively, the top rotating shaft 13 and the bottom rotating shaft 7 rotate with the top worm gear 12 and the bottom worm gear 8 respectively.

[0026] In a preferred embodiment, the connecting rod 10 is fixedly connected with the bottom worm 9, the connecting rod 10 is in sliding connection with the top worm 11, when the top shell 5 is lifting, at this time the top worm 11 slides on the connecting rod 10, by the sliding connection between the connecting rod 10 and the top worm 11, the top shell 5 can be lifted and the distance can be adjusted synchronously.

[0027] Working principle, in use, by rotating the top worm 11 to drive the connecting rod 10 and the bottom worm 9 to rotate, at this time the top worm 11 and the bottom worm 9 drive the top worm gear 12 and the bottom worm gear 8 to rotate respectively, the top worm gear 12 and the bottom worm gear 8 rotate to drive the top rotating shaft 13 and the bottom rotating shaft 7 to rotate respectively, the top rotating shaft 13 rotates to drive the top side rod 134 and the top side mold 136 to slide in the top screw groove 132, at this time the distance between the top side mold 136 and the top middle mold 135 changes, the bottom rotating shaft 7 rotates to drive the bottom side rod 74 and the bottom side mold 76 to slide in the bottom screw groove 72, at this time the distance between the bottom side mold 76 and the bottom middle mold 75 changes, after the adjustment is completed, the cylinder 6 extends to drive the top shell 5 to descend, so that the top middle mold 135 and the top side mold 136 and the bottom middle mold 75 and the bottom side mold 76 are in contact, at this time the punching is completed.

[0028] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A piercing die for facilitating adjustment of piercing edge clearance comprising a base housing (1) characterised in that: The top of the bottom shell (1) is provided with a top shell (5), the inner wall of the bottom shell (1) is movably connected with a bottom rotating shaft (7), the outer edge of the bottom rotating shaft (7) is provided with a bottom middle groove (71), the left and right sides of the bottom middle groove (71) are provided with a bottom thread groove (72), the inner walls of the bottom middle groove (71) and the bottom thread groove (72) are respectively slidably connected with a bottom middle rod (73) and a bottom side rod (74), the outer edges of the bottom middle rod (73) and the bottom side rod (74) are respectively provided with a bottom middle mold (75) and a bottom side mold (76), the inner wall of the top shell (5) is movably connected with a top rotating shaft (13), the outer edge of the top rotating shaft (13) is provided with a top middle groove (131), the left and right sides of the top middle groove (131) are provided with a top thread groove (132), the inner walls of the top middle groove (131) and the top thread groove (132) are respectively slidably connected with a top middle rod (133) and a top side rod (134), the outer edges of the top middle rod (133) and the top side rod (134) are respectively provided with a top middle mold (135) and a top side mold (136).

2. The piercing die for facilitating adjustment of piercing edge margin according to claim 1, wherein: The outer wall of the bottom shell (1) is fixedly provided with a connecting base (2), the top of the connecting base (2) is fixedly provided with a limiting column (3), the top of the limiting column (3) is fixedly provided with a mounting plate (31), the two ends of the top of the mounting plate (31) are provided with a pneumatic cylinder (6), and the bottom of the bottom shell (1) is provided with a through groove (14).

3. The piercing die for facilitating adjustment of piercing edge margin according to claim 2, wherein: The outer edge of the limiting column (3) is slidably connected with a limiting block (4), the limiting block (4) is fixedly provided on the top shell (5), and the power output shaft of the pneumatic cylinder (6) is mounted on the top shell (5).

4. The piercing die for facilitating adjustment of piercing edge margin according to claim 1, wherein: The inner wall of the top shell (5) is fixedly provided with a top limiting frame (15), the top middle rod (133) and the top side rod (134) are slidably connected with the top limiting frame (15), the inner wall of the bottom shell (1) is fixedly provided with a bottom limiting frame (16), and the bottom middle rod (73) and the bottom side rod (74) are slidably connected with the bottom limiting frame (16).

5. The piercing die for facilitating adjustment of piercing edge margin according to claim 1, wherein: The outer edges of the bottom rotating shaft (7) and the top rotating shaft (13) are respectively fixedly sleeved with a bottom worm gear (8) and a top worm gear (12), the outer edges of the bottom worm gear (8) and the top worm gear (12) are respectively engaged with a bottom worm (9) and a top worm (11), and the bottom worm (9) and the top worm (11) are connected through a connecting rod (10).

6. The piercing die of claim 5, wherein: The connecting rod (10) is fixedly connected with the bottom worm (9), and the connecting rod (10) is slidably connected with the top worm (11).

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