Punching die capable of achieving linkage punching in vertical direction and side direction by self-adaption to plane deformation

Abstract

The utility model relates to the technical field of metal plate machining, in particular to a punching die capable of achieving linkage punching in the vertical direction and the side face direction by self-adaption to plane deformation, and side punches are symmetrically arranged on the left side and the right side of a fixing base in a sliding mode respectively and connected with the output end of an air cylinder. The upper punch is arranged on the inner wall of the upper side of the fixing base through a positioning base, and a connecting block in the side punch abuts against the inclined face of the upper punch in a matched mode. The limiting seats are symmetrically fixed to the fixing seats on the left side and the right side of the positioning seat respectively, grooves are formed in the top ends of the limiting seats, and limiting grooves are formed in the limiting seats; the bottom end of the abutting rod is inserted into the top face of the limiting base, the abutting rod extends out of the limiting groove, and the top end of the abutting rod abuts against the upper punch in a matched mode. The upper punch abuts against the abutting rod, the air pressure in the limiting groove is adjusted, the limiting block 11 abuts against the workpiece, plane deformation during workpiece machining is avoided, and the punching precision is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to metal sheet processing technical field, concretely relates to a die of self -adaptation plane deformation realizes vertical and side direction linkage punching. BACKGROUND

[0002] In the field of metal plate stamping processing, the traditional die usually adopts fixed structure, and it is difficult to adapt to the plane deformation of the plate in the stamping process, resulting in the decline of punching precision and the shortening of die life, so a die of self -adaptation plane deformation realizes vertical and side direction linkage punching is needed to solve the above -mentioned problems. UTILITY MODEL CONTENTS

[0003] The utility model discloses a simple structure, reasonable in design, convenient to use, and realizes vertical and side direction linkage punching of self -adaptation plane deformation, and can solve the above -mentioned problems.

[0004] In order to achieve the above object, the utility model adopts the following technical scheme: it contains the fixed seat, the left and right sides of fixed seat symmetry fixed with the pneumatic cylinder, and the middle part of fixed seat symmetry fixed with the positioning seat,

[0005] It also contains:

[0006] Side punch, the side punch be two, and it respectively symmetrically slide setting in the left and right sides of fixed seat, and the side punch is connected with the output end of pneumatic cylinder;

[0007] Upper punch, the upper punch be several, and it is set on the upper side inner wall of fixed seat using positioning seat, and the connecting block in side punch and the inclined surface of upper punch are matched and abutted and set;

[0008] Limiting seat, the limiting seat be several, and it is respectively fixed on fixed seat and located on the left and right sides of positioning seat, and the top end of limiting seat is provided with recess, and the limiting groove is arranged in the limiting seat;

[0009] Abutting rod, the abutting rod be several, and its bottom end is inserted on the top surface of limiting seat, and the abutting rod extends into the limiting groove, and the top end of abutting rod is matched and abutted with upper punch;

[0010] Limiting block, the limiting block be several, and it is respectively movably clamped on the inner wall of recess, and the inner end of limiting block is inserted in the limiting groove.

[0011] Further, the rod wall of side punch is provided with a limiting assembly, and the limiting assembly comprises:

[0012] Abutting block, the abutting block be several, and it is respectively slide setting in the groove of side punch rod wall, and the side surface of abutting block is fixed with connecting rod.

[0013] The connecting cylinder is a hollow cylindrical structure, and the connecting rod is movably inserted into the connecting cylinder, and the ring wall of the connecting rod is arranged in abutment with the inner wall of the connecting cylinder.

[0014] The air pressure controller is arranged on the fixing seat, and the connecting cylinder is connected with the air pressure controller through the pipeline.

[0015] Further, the top end of the plurality of abutment rods is fixed with an abutment ring, and the abutment ring is arranged in abutment with the upper punch.

[0016] Further, the inner wall of the plurality of grooves is fixed with a sealing ring, and the limiting block is movably inserted into the sealing ring.

[0017] Further, the side surface of the plurality of limiting seats is provided with an air pressure detector, and the sensing end of the air pressure detector is arranged in the limiting groove.

[0018] Further, the plurality of abutment rods are each sleeved with a spring, and the two ends of the spring are connected with the limiting seat and the abutment rod respectively.

[0019] Compared with the prior art, the beneficial effects of the utility model are that the punch die for realizing vertical and side direction linkage punching by self-adapting plane deformation utilizes the linkage of the side punch and the upper punch, cooperates with the limiting cylinder and the limiting block to limit the deformation of the workpiece plane, and is convenient for improving the machining precision of the workpiece. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is the structure schematic view of the utility model.

[0021] Figure 2 It is the structure schematic view of the positioning seat and the limiting seat in the utility model.

[0022] Figure 3 It is the structure schematic view of the limiting seat in the utility model.

[0023] Figure 4 It is the structure schematic view of the limiting assembly in the utility model.

[0024] BRIEF DESCRIPTION OF DRAWINGS:

[0025] Fixing seat 1, air cylinder 2, positioning seat 3, side punch 4, upper punch 5, connecting block 6, limiting seat 7, groove 8, limiting groove 9, abutment rod 10, limiting block 11, limiting assembly 12, abutment block 13, connecting rod 14, connecting cylinder 15, air pressure controller 16, abutment ring 17, sealing ring 18, air pressure detector 19, spring 20. DETAILED DESCRIPTION

[0026] The technical scheme in the utility model will be described clearly and completely in connection with the drawings below, and the preferred embodiments in the description are only taken as examples, and all other embodiments obtained by the person skilled in the art without creative labor belong to the range of protection of the utility model.

[0027] As shown in the description, Figures 1-4 The specific embodiment adopts the technical scheme as follows: it comprises a fixing seat 1; air cylinders 2 are symmetrically fixed on the left and right sides of the fixing seat 1, and positioning seats 3 are symmetrically fixed on the middle part of the fixing seat 1;

[0028] It further comprises:

[0029] side punches 4, the side punches 4 are two, and they are symmetrically and slidably arranged on the left and right sides of the fixing seat 1, and the side punches 4 are connected with the output ends of the air cylinders 2, and the air cylinders 2 are used for controlling the movement of the side punches 4;

[0030] upper punches 5, the upper punches 5 are a plurality of, and they are arranged on the upper inner wall of the fixing seat 1 by the positioning seats 3, and connecting blocks 6 in the side punches 4 are arranged in abutment with the inclined surfaces of the upper punches 5, the side punches 4 drive the connecting blocks 6 to abut on the inclined surfaces of the upper punches 5, so as to control the descending of the upper punches 5, thereby realizing the linkage in the direction perpendicular to the side surface, and the upper punches 5 are reset by the reset springs 20 in the positioning seats 3;

[0031] limiting seats 7, the limiting seats 7 are a plurality of, and they are symmetrically fixed on the fixing seat 1 and located on the left and right sides of the positioning seats 3, and recesses 8 are formed in the top ends of the limiting seats 7, and limiting grooves 9 are arranged in the limiting seats 7, the limiting seats 7 are used for limiting the deformation of the workpiece, air pressure detectors 19 are arranged on the side surfaces of the plurality of limiting seats 7, the sensing ends of the air pressure detectors 19 are arranged in the limiting grooves 9, the air pressure in the limiting grooves 9 is detected, and the air leakage is avoided;

[0032] abutment rods 10, the abutment rods 10 are a plurality of, and the bottom ends of the abutment rods 10 are inserted into the top surfaces of the limiting seats 7, and the abutment rods 10 extend into the limiting grooves 9, the top ends of the abutment rods 10 are arranged in abutment with the upper punches 5, the abutment rods 10 adjust the air pressure intensity in the limiting seats 7, the top ends of the plurality of abutment rods 10 are fixed with abutment rings 17, the abutment rings 17 are arranged in abutment with the upper punches 5 to increase the area of the end part of the abutment rods 10, so that the upper punches 5 can abut on the top ends of the abutment rods 10, and springs 20 are sleeved on the plurality of abutment rods 10, and the two ends of the springs 20 are connected with the limiting seats 7 and the abutment rods 10 respectively, the elastic force of the springs 20 is used for facilitating the reset of the abutment rods 10;

[0033] The plurality of limiting blocks 11 are movably clamped on the inner walls of the grooves 8, and the inner ends of the limiting blocks 11 are inserted into the limiting grooves 9, and the inclined surfaces of the limiting blocks 11 are clamped on the side surfaces of the workpieces, so as to adapt to materials with different thicknesses or deformation amounts, the inner walls of the plurality of grooves 8 are fixed with sealing rings 18, and the limiting blocks 11 are movably inserted into the sealing rings 18, so as to improve the sealing between the limiting blocks 11 and the grooves 8;

[0034] The rod wall of the side punch 4 is provided with a limiting assembly 12, and the limiting assembly 12 comprises:

[0035] The plurality of abutting blocks 13 are movably arranged in the groove bodies of the rod wall of the side punch 4, and the side surfaces of the abutting blocks 13 are fixed with connecting rods 14, and the abutting blocks 13 limit the positions of the workpieces at the side punch 4;

[0036] The connecting barrel 15 is a hollow cylindrical structure, the connecting rods 14 are movably inserted into the connecting barrel 15, the ring wall of the connecting rod 14 is movably arranged in abutment with the inner wall of the connecting barrel 15, and the stress on the connecting rod 14 is adjusted according to the air pressure in the connecting barrel 15;

[0037] The air pressure controller 16 is arranged on the seat, the connecting barrel 15 is connected with the air pressure controller 16 through the pipeline, the air pressure controller 16 is connected with the external power supply, and the air pressure in the connecting barrel 15 is convenient to control.

[0038] In use of the utility model, the workpiece is placed in the grooves 8 clamped in the positioning seat 3 and the limiting seat 7, then the air cylinder 2 is started, the air cylinder 2 drives the side punch 4 to move, the side punch 4 drives the upper punch 5 to move synchronously through the connecting block 6, so that the workpiece is inflated, when the side punch 4 moves, the side punch 4 drives the abutting block 13 to abut on the side surface of the workpiece, the air pressure in the connecting barrel 15 is controlled through the air pressure controller 16, the movement of the connecting rod 14 is limited by the connecting block 6, the abutting block 13 is abutted on the side surface of the workpiece, and the side surface of the workpiece is prevented from being deformed and displaced, when the upper punch 5 moves, the upper punch 5 abuts on the abutting rod 10 and drives the abutting rod 10 to descend, the abutting rod 10 extrudes the air pressure in the limiting groove 9, the air pressure in the limiting groove 9 is enhanced, the enhanced air pressure stress acts on the limiting block 11, the limiting block 11 extends out of the inner wall of the groove 8 and abuts on the workpiece, the workpiece surface is provided with a pressing force, and the generation of burrs is reduced.

[0039] Compared with the prior art, the utility model has the beneficial effects that:

[0040] The upper punch 5 abuts on the abutting rod 10, the air pressure in the limiting groove 9 is adjusted, the limiting block 11 abuts on the workpiece, the plane of the workpiece is prevented from being deformed during machining, and the precision of punching is improved;

[0041] The limiting assembly 12 is arranged, the air pressure in the connecting cylinder 15 is adjusted by the air pressure controller 16, the abutting block 13 is controlled to abut the stress on the side of the workpiece by the connecting rod 14, and the deformation displacement of the workpiece during the machining of the side punch 4 is avoided;

[0042] The abutting ring 17 is arranged, the top area of the abutting rod 10 is increased, and the abutting of the upper punch 5 on the top of the abutting rod 10 is facilitated;

[0043] The sealing ring 18 is arranged, the air tightness of the limiting block 11 and the inner wall of the groove 8 is improved, and the air leakage of the limiting seat 7 is avoided.

[0044] For those skilled in the art, the technical solutions recorded in the foregoing embodiments can be modified, and equivalent replacement of part of the technical features, any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application should be included in the protection scope of the present application.

Claims

1. A punching die for realizing vertical and lateral direction linkage punching through adaptive planar deformation, comprising a fixed seat (1); cylinders (2) are symmetrically fixed on the left and right sides of the fixed seat (1), and positioning seats (3) are symmetrically fixed in the middle of the fixed seat (1). Its features are, It also includes: Side punch (4), there are two side punches (4), and they are symmetrically slidably arranged on the left and right sides of the fixed base (1), and the side punches (4) are connected to the output end of the cylinder (2); The upper punch (5) consists of several upper punches, which are mounted on the upper inner wall of the fixed base (1) using a positioning seat (3), and the connecting block (6) in the side punch (4) is engaged with the inclined surface of the upper punch (5). Limiting seat (7), there are several limiting seats (7), and they are symmetrically fixed on the fixing seat (1) and located on the left and right sides of the positioning seat (3). The top of the limiting seat (7) is provided with a groove (8), and the limiting seat (7) is provided with a limiting groove (9). Abutting rod (10), there are several abutting rods (10), and their bottom ends are inserted into the top surface of the limiting seat (7), and the abutting rods (10) extend out of the limiting groove (9), and the top end of the abutting rods (10) is engaged with the upper punch (5) to abut; The limiting block (11) consists of several blocks, which are respectively movably mounted on the inner wall of the groove (8), and the inner end of the limiting block (11) is inserted into the limiting groove (9).

2. The die for adaptive planar deformation to achieve coordinated punching in vertical and lateral directions according to claim 1, characterized in that: The side punch (4) has a limiting component (12) on its rod wall. The limiting component (12) includes: Abutting block (13), there are several abutting blocks (13), and they are slidably disposed in the groove of the side punch (4) rod wall, and a connecting rod (14) is fixed on the side of the abutting block (13). The connecting cylinder (15) is a hollow cylindrical structure. The connecting rod (14) is movably inserted into the connecting cylinder (15). The annular wall of the connecting rod (14) is in contact with the inner wall of the connecting cylinder (15). The air pressure controller (16) is mounted on the fixed base (1). The connecting cylinder (15) is connected to the air pressure controller (16) through a pipe. The air pressure controller (16) is connected to an external power source.

3. The die for adaptive planar deformation to achieve coordinated punching in vertical and lateral directions according to claim 1, characterized in that: Several abutment rods (10) have abutment rings (17) fixed at their top ends, and the abutment rings (17) are set to abut against the upper punch (5).

4. The die for adaptive planar deformation to achieve coordinated punching in vertical and lateral directions according to claim 1, characterized in that: A sealing ring (18) is fixed on the inner wall of several grooves (8), and a limiting block (11) is movably inserted into the sealing ring (18).

5. A punching die for adaptive planar deformation to achieve coordinated punching in vertical and lateral directions according to claim 1, characterized in that: Several limit seats (7) are provided with air pressure detectors (19) on their sides, and the sensing end of the air pressure detectors (19) is set in the limit groove (9).

6. A punching die for adaptive planar deformation to achieve coordinated punching in vertical and lateral directions according to claim 1, characterized in that: Several abutment rods (10) are fitted with springs (20), and the two ends of the springs (20) are connected to the limit seat (7) and the abutment rods (10) respectively.

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