Side punching waste jumping prevention die

Abstract

The utility model belongs to the technical field of hardware dies, and particularly relates to a side punching waste jumping prevention die which comprises an upper die base, a lower die base and a punch with an air hole, a driving device is arranged on the lower portion of the upper die base, the driving device comprises a driving punch, and the driving punch moves to move the punch. According to the side punching waste material jumping prevention die, waste materials are blown away by arranging a waste material jumping prevention device, an air inlet is additionally formed in the lower base plate, high-pressure air is led to the position below the sliding block through an air groove, in the die assembly state, an air hole of the lower base plate just coincides with an air hole in the sliding block, and at the moment, air flow is blown to the waste materials through an air hole in a punch; the lower die plate is elastically connected with the sliding block, when the die returns to the die opening state, the sliding block can reset through the spring pin, at the moment, the air hole in the lower base plate and the air hole in the sliding block are staggered, the air channel is not communicated, and therefore synchronization of air flow and die stamping can be achieved without an air flow electronic valve.

Description

TECHNICAL FIELD

[0001] The utility model relates to hardware mould technical field especially, relates to a side hole punching anti -jumping scrap mould. BACKGROUND

[0002] Side hole punching refers to the side of the workpiece is punched to form a hole or other features, side hole punching anti -jumping scrap mould is used in stamping production a special mould, the main purpose is to prevent the scrap in the stamping process from jumping or deviating when the side is punched.

[0003] The public number CN219025617U discloses a kind of hole punching mould for preventing thick scrap jumping, it is related to stamping die technical field, including: upper die and lower die, upper die is provided with punch for punching downwards, lower die includes lower die plate, and the upper surface of lower die plate is provided with the punch of adaptation with punch, and the bottom end of lower die plate is provided with scrap hole for discharging stamping scrap in punch, and lower die plate is fixedly connected with lower cushion plate below, and lower cushion plate is provided with first through hole in, and lower cushion plate is fixedly connected with lower die holder below, and lower die holder is provided with second through hole in, punch, scrap hole, first through hole and second through hole are coaxial, and scrap hole, first through hole, second through hole are interconnected between, and the inner side wall of scrap hole is provided with radially inward spherical thimble, and spherical thimble is arranged in extension relative to the inner side wall of scrap hole, and spherical thimble is used to resist scrap when punch backstroke.The application can improve the problem of scrap jumping, and be applicable to the anti -jumping of hole punching processing of various shapes and sizes.

[0004] But the above scheme when using hole punching mould for preventing thick scrap jumping, when punch is small, then top needle cannot be installed, leading to unable to prevent scrap, so a kind of side hole punching anti -jumping scrap mould is proposed to solve the above problems. UTILITY MODEL CONTENTS

[0005] Based on the existing when using hole punching mould for preventing thick scrap jumping, when punch is small, then top needle cannot be installed, leading to unable to prevent scrap, the utility model proposes a kind of side hole punching anti -jumping scrap mould.

[0006] The utility model discloses a kind of side hole punching anti -jumping scrap mould, including upper die holder, lower die holder and punch with air hole, the lower part of the upper die holder is provided with driving device, and the driving device includes driving punch, and the driving punch moves and realizes the action of moving to the punch.

[0007] The upper part of the lower die holder is provided with anti -jumping scrap device, and the anti -jumping scrap device includes air groove, and the air groove is aligned to realize the action of blowing waste.

[0008] Preferably, the driving device further comprises an upper clamping plate, an upper surface of the upper clamping plate is fixedly connected with a lower surface of the upper die seat through a pin, and the lower surface of the upper die seat is fixedly connected with an upper end of the driving punch.

[0009] Through the technical scheme, the upper clamping plate is fixed on the upper die seat through the pin, the upper die seat is fixedly connected with the driving punch, the punch on the slide block is driven in the closed die state, and thus the punch on the slide block punches the workpiece.

[0010] Preferably, the upper clamping plate is fixedly installed with a stop plate and an upper stripper plate through a positioning pin, an upper surface of the stop plate is fixedly installed with a spring, one end of the spring is fixedly installed on an inner upper wall of the upper die seat, an outer surface of the spring is slidably inserted with an inner wall of the upper clamping plate, and the outer surface of the spring is also slidably inserted with the inner wall of the upper die seat.

[0011] Through the technical scheme, the stop plate and the upper stripper plate are fixed through the upper clamping plate connected with the stop plate and the upper stripper plate, the spring is installed on the stop plate, and when the mold is switched from the closed state to the open state, the elastic force of the spring resets the stop plate and the upper stripper plate, thereby improving the work efficiency.

[0012] Preferably, a guide column is fixedly installed at a lower end of the upper die seat, an outer surface of the guide column is slidably inserted with an inner wall of the stop plate, a center of the stop plate is elastically connected with a center of the upper stripper plate through a spring pin, and the stop plate is fixedly connected with an upper surface of the upper stripper plate through the pin.

[0013] Through the technical scheme, the guide column is installed on the upper die seat to provide accurate positioning and ensure that the mold maintains the correct position during the stamping process, thereby improving the stamping precision, and the stop plate and the upper stripper plate are elastically connected through the spring pin, which can effectively absorb the impact force and reduce damage to other components of the mold, thereby prolonging the service life of the mold.

[0014] Preferably, the anti-jumping waste device further comprises a lower base plate, the lower base plate is elastically connected with an upper surface of the lower die seat through an elastic pin, air inlets are formed at two sides of the lower base plate, a gas groove is formed in the lower base plate, and one end of the air inlet is fixedly communicated with one end of the gas groove.

[0015] Through the technical scheme, the lower die seat and the lower base plate are elastically connected, the workpiece extrudes the spring pin when the mold is closed, reaches the punching position, and the spring pin resets the workpiece after the workpiece is punched due to the elasticity, so that the operator can conveniently take the workpiece and also prepares for the next stamping cycle, the air inlets are added to the lower base plate, the high-pressure gas is introduced to the lower side of the slide block through the gas groove, and the gas groove on the lower base plate is aligned with the gas groove on the slide block, so that the waste is blown away.

[0016] Preferably, the upper surface of the lower bolster plate is fixedly provided with a lower die plate, the lower die plate is elastically connected with a sliding block through a spring pin, the inner wall of the sliding block is fixedly connected with the outer surface of the punch, a plurality of air grooves are arranged in the interior of the sliding block and the interior of the punch respectively, and the outer surfaces of the lower bolster plate and the lower die plate are both provided with guide grooves on the same side.

[0017] Through the above technical scheme, the lower die plate is not driven when the punch drives the sliding block to move in the closed die state, at this time, the air hole of the lower bolster plate coincides with the air hole on the sliding block, at this time, the airflow blows to the waste through the air hole on the punch, the sliding block is reset through the spring pin when the mold returns to the open die state, at this time, the air hole on the lower bolster plate is misaligned with the air hole on the sliding block, at this time, the air passage is not open, thereby achieving the synchronization of the airflow and the die stamping without the airflow electronic valve, and the guide groove is arranged on the lower bolster plate and the lower die plate, the guide die and the guide groove are slidingly inserted in the closed die state, the upper die and the lower die can be accurately aligned when the upper die and the lower die are closed, and the punching position deviation caused by the misalignment of the mold can be avoided.

[0018] Preferably, the upper surface of the lower bolster plate is further fixedly provided with a knife edge, the knife edge is located on the same horizontal line as the punch and has the same height.

[0019] Through the above technical scheme, the knife edge is arranged on the upper bolster plate to punch the workpiece, the knife edge and the punch are located on the same horizontal line and have the same height, the punch and the knife edge can accurately punch the workpiece in the stamping process, and accurate punching size and shape are obtained, at this time, the high-pressure gas can be blown away from the waste after stamping through the air groove in the interior of the punch.

[0020] The beneficial effects in the utility model are as follows:

[0021] 1. The driving device is arranged to realize the movement of the punch, the upper clamping plate is connected through the pin, the upper clamping plate is fixed on the upper die seat, the upper die seat is fixedly connected with the driving punch, the sliding block is driven in the closed die state, the punch connected with the sliding block is driven to move, and the workpiece is punched.

[0022] 2. By setting the anti-jumping waste device, the waste blowing action is realized, the lower die base and the lower pad are elastically connected, when the mold is closed, the workpiece extrudes the spring pin, reaches the hole position, and the spring pin resets the workpiece after the workpiece is punched, which is convenient for the operator to take the workpiece, and also prepares for the next stamping cycle, the air inlet is added to the lower pad, the high-pressure gas is introduced to the lower part of the slider through the air groove, the lower die plate is installed on the upper surface of the lower pad, the lower die plate is not driven when the punch drives the slider to move in the closed mold state, at this time the air hole of the lower pad coincides with the air hole of the slider, at this time the airflow blows to the waste through the air hole of the punch, the lower die plate is elastically connected with the slider, when the mold returns to the open mold state, the air hole of the lower pad is misaligned with the air hole of the slider, at this time the air path is not passed, so that the airflow and the stamping of the mold are synchronized without the airflow electronic valve, and the technical problem that the existing anti-jumping waste punching die cannot install the ejector pin when the punch is small and cannot prevent the waste from jumping when side punching is solved. BRIEF DESCRIPTION OF DRAWINGS

[0023] Fig. 1 A side punching anti-jumping waste die is provided for the utility model.

[0024] Fig. 2 A side punching anti-jumping waste die is provided for the utility model.

[0025] Fig. 3 A side punching anti-jumping waste die is provided for the utility model.

[0026] In the drawing: 1, upper die seat; 2, lower die seat; 3, punch; 4, driving punch; 5, air groove; 6, upper clamping plate; 7, stop plate; 8, upper stripper plate; 9, spring; 10, guide column; 11, lower pad; 12, air inlet; 13, lower die plate; 14, slider; 15, guide groove; 16, knife edge. DETAILED DESCRIPTION

[0027] The technical scheme in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.

[0028] REFERENCE Figs. 1-3 A side punching anti-jumping waste die, comprising an upper die seat 1, a lower die seat 2 and a punch 3 with an air hole, the lower part of the upper die seat 1 is provided with a driving device, the driving device comprises a driving punch 4, and the driving punch 4 moves to realize the movement of the punch 3.

[0029] In order to drive the slider 14, the driving device further comprises an upper clamping plate 6, the upper surface of the upper clamping plate 6 is fixedly connected with the lower surface of the upper die seat 1 through a pin, the lower surface of the upper die seat 1 is fixedly connected with the upper end of the driving punch 4, the upper clamping plate 6 is fixed on the upper die seat 1 through the pin connection, the upper die seat 1 is fixedly connected with the driving punch 4, in the closed die state, the slider 14 is driven, so that the punch 3 on the slider 14 punches the workpiece.

[0030] By setting the driving device, the movement of the punch 3 is realized, the upper clamping plate 6 is fixed on the upper die seat 1 through the pin connection, the upper die seat 1 is fixedly connected with the driving punch 4, in the closed die state, the slider 14 is driven, and the punch 3 connected with the slider 14 is moved, thereby punching the workpiece.

[0031] In order to reset the stop plate 7 and the upper stripper plate 8 after the stamping is completed, the upper clamping plate 6 is connected with the stop plate 7 and the upper stripper plate 8 through a bolt and a positioning pin, the upper surface of the stop plate 7 is fixedly installed with a spring 9, one end of the spring 9 is fixedly installed on the inner upper wall of the upper die seat 1, the outer surface of the spring 9 is slidably inserted with the inner wall of the upper clamping plate 6, and the outer surface of the spring 9 is also slidably inserted with the inner wall of the upper die seat 1, the stop plate 7 and the upper stripper plate 8 are fixed by being connected with the upper clamping plate 6 through the pin, the spring 9 is installed on the stop plate 7, when the mold is switched from the closed die state to the open die state, the elastic force of the spring 9 will reset the stop plate 7 and the upper stripper plate 8, thereby improving the work efficiency.

[0032] In order to accurately align the upper die and the lower die when closed, the lower end of the upper die seat 1 is fixedly installed with a guide column 10, the outer surface of the guide column 10 is slidably inserted with the inner wall of the stop plate 7, the center of the stop plate 7 is elastically connected with the center of the upper stripper plate 8 through a spring 9 pin, and the stop plate 7 is fixedly connected with the upper surface of the upper stripper plate 8 through the pin, accurate positioning can be provided by installing the guide column 10 on the upper die seat 1, and the correct position of the mold during stamping is ensured, thereby improving the precision of stamping, the stop plate 7 and the upper stripper plate 8 are elastically connected, and the spring 9 pin can effectively absorb the impact force, thereby reducing the damage to other parts of the mold and prolonging the service life of the mold.

[0033] In order to prevent the waste after punching from flying around, the upper part of the lower die seat 2 is provided with a anti-jumping waste device, the anti-jumping waste device comprises an air groove 5, and the air groove 5 is aligned to realize the action of blowing the waste.

[0034] In order to reset the workpiece after the end of stamping, the anti-bounce scrap device further comprises a lower die cushion 11 which is elastically connected to the upper surface of the lower die seat 2 through the elastic pin, and the lower die cushion 11 is provided with an air inlet 12 on both sides, and the air groove 5 is arranged in the inside of the lower die cushion 11, one end of the air inlet 12 is fixedly communicated with one end of the air groove 5, and the lower die cushion 11 is elastically connected with the lower die seat 2, when the mold is closed, the workpiece extrudes the spring pin, reaches the hole position, and the spring 9 pin resets the workpiece after the workpiece is punched, which is convenient for the operator to take the workpiece, and also prepares for the next stamping cycle, the high-pressure gas is introduced to the lower side of the sliding block 14 through the air inlet 12 and the air groove 5 of the lower die cushion 11, and the air groove 5 on the lower die cushion 11 is aligned with the air groove 5 on the sliding block 14, so that the scrap is blown away.

[0035] In order to prevent the lower die plate 13 from being driven when the sliding block 14 moves, the upper surface of the lower die cushion 11 is fixedly provided with the lower die plate 13, the lower die plate 13 is elastically connected with the sliding block 14 through the spring 9 pin, the inner wall of the sliding block 14 is fixedly connected with the outer surface of the punch 3, a plurality of air grooves 5 are arranged in the inside of the sliding block 14 and the inside of the punch 3 respectively, and the outer surfaces of the lower die cushion 11 and the lower die plate 13 are provided with guide grooves 15 on the same side, the lower die plate 13 is not driven when the punch 4 drives the sliding block 14 to move in the closed mold state by installing the lower die plate 13 on the upper surface of the lower die cushion 11, at this time, the air hole of the lower die cushion 11 coincides with the air hole on the sliding block 14, at this time, the airflow blows to the scrap through the air hole on the punch 3, the lower die plate 13 is elastically connected with the sliding block 14, when the mold returns to the open mold state again, the sliding block 14 is reset through the spring 9 pin, at this time, the air hole on the lower die cushion 11 is misaligned with the air hole on the sliding block 14, at this time, the air passage is not communicated, so that the airflow and the mold stamping are synchronized without the airflow electronic valve, and the guide groove 15 is arranged on the lower die cushion 11 and the lower die plate 13, the guide die and the guide groove 15 are slidingly inserted in the closed mold state, so that the upper die and the lower die can be accurately aligned when the mold is closed, thereby avoiding the punching position deviation caused by the misalignment of the mold.

[0036] In order to punch the workpiece, the upper surface of the lower die cushion 11 is further fixedly provided with a knife edge 16, and the knife edge 16 is located on the same horizontal line with the punch 3 and has the same height, the workpiece is punched by installing the knife edge 16 on the upper die cushion, the knife edge 16 and the punch 3 are on the same horizontal line and have the same height, which ensures that the punch 3 and the knife edge 16 can accurately punch the workpiece during the stamping process, so as to obtain accurate punching size and shape, at this time, the high-pressure gas can realize the blowing of the scrap after stamping through the air groove 5 in the inside of the punch 3.

[0037] By setting the anti-jumping waste device, the waste blowing action is realized, the lower die seat 2 is elastically connected with the lower pad plate 11, when the mold is closed, the workpiece extrudes the spring 9 pin, reaches the opening position, and the spring 9 pin resets the workpiece due to the elasticity after the workpiece is punched, so that the operator can conveniently take the workpiece, and also prepares for the next stamping cycle, the air inlet 12 is added to the lower pad plate 11, the high-pressure gas is introduced to the lower side of the sliding block 14 through the air groove 5, the lower die plate 13 is installed on the upper surface of the lower pad plate 11, the lower die plate 13 is not driven when the punch 4 drives the sliding block 14 to move in the closed mold state, at this time, the air hole of the lower pad plate 11 coincides with the air hole of the sliding block 14, at this time, the airflow blows to the waste through the air hole of the punch 3, the lower die plate 13 is elastically connected with the sliding block 14, when the mold returns to the opening state, the sliding block 14 is reset through the spring 9 pin, at this time, the air hole of the lower pad plate 11 is dislocated with the air hole of the sliding block 14, at this time, the air path is not passed, so that the airflow and the mold stamping are synchronized without the airflow electronic valve, and the technical problem that the existing anti-jumping waste punching die cannot install the ejector pin when the punch 3 is small is solved.

[0038] Working principle: the air inlet 12 is added to the lower pad plate 11, the high-pressure gas is introduced to the lower side of the sliding block 14 through the air groove 5, when the mold is in the opening state, the air hole of the lower pad plate 11 is dislocated with the air hole of the sliding block 14, at this time, the air path is not passed, when the mold is closed, the air hole of the lower pad plate 11 coincides with the air hole of the sliding block 14, at this time, the airflow blows to the waste through the air hole of the punch 3.

[0039] The above is only a preferred specific embodiment of the present application, but the protection scope of the present application is not limited thereto, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A side-piercing anti-bounce scrap die comprising an upper die holder (1), a lower die holder (2) and a punch (3) with a gas hole, characterized in that: The lower part of the upper die holder (1) is provided with a driving device, which comprises a driving punch (4) that moves to realize the movement of the punch (3); The upper part of the lower die holder (2) is provided with a waste material anti-jumping device, which comprises an air groove (5) that is aligned to realize the blowing of waste materials, and a lower pad (11) that is elastically connected to the upper surface of the lower die holder (2) through an elastic pin, and two air inlets (12) are arranged on the two sides of the lower pad (11), and the air groove (5) is arranged in the inside of the lower pad (11), and one end of the air inlet (12) is fixedly communicated with one end of the air groove (5).

2. A side-piercing anti-jump scrap die according to claim 1, wherein: The driving device further comprises an upper clamping plate (6), the upper surface of the upper clamping plate (6) is fixedly connected with the lower surface of the upper die holder (1) through a pin, and the lower surface of the upper die holder (1) is fixedly connected with the upper end of the driving punch (4).

3. A side-piercing anti-jump scrap die according to claim 2, wherein: The upper clamping plate (6) is fixedly installed with a stop plate (7) and an upper stripping plate (8) through a positioning pin, the upper surface of the stop plate (7) is fixedly installed with a spring (9), one end of the spring (9) is fixedly installed on the inner upper wall of the upper die holder (1), the outer surface of the spring (9) is slidably inserted into the inner wall of the upper clamping plate (6), and the outer surface of the spring (9) is also slidably inserted into the inner wall of the upper die holder (1).

4. A side-piercing anti-jump scrap die according to claim 3, wherein: The lower end of the upper die holder (1) is fixedly installed with a guide column (10), the outer surface of the guide column (10) is slidably inserted into the inner wall of the stop plate (7), the center of the stop plate (7) is elastically connected with the center of the upper stripping plate (8) through a spring pin, and the stop plate (7) is fixedly connected with the upper surface of the upper stripping plate (8) through a pin.

5. A side-piercing anti-jump scrap die according to claim 4, wherein: The upper surface of the lower pad (11) is fixedly installed with a lower die plate (13), the lower die plate (13) is elastically connected with a sliding block (14) through a spring pin, the inner wall of the sliding block (14) is fixedly connected with the outer surface of the punch (3), a plurality of air grooves (5) are arranged in the inside of the sliding block (14) and the inside of the punch (3) respectively, and the outer surfaces of the lower pad (11) and the lower die plate (13) are arranged with guide grooves (15) on the same side.

6. A side-piercing anti-jump scrap die according to claim 5, wherein: The upper surface of the lower pad (11) is also fixedly installed with a knife edge (16), and the knife edge (16) is located on the same horizontal line with the punch (3) and has the same height.

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