Pneumatic material returning device capable of riveting multiple rivets simultaneously

Abstract

The utility model relates to the technical field of pneumatic material returning devices, in particular to a pneumatic material returning device capable of simultaneously riveting a plurality of rivets, which comprises a support base, an upper die holder, a lower die holder, a pneumatic material returning rod, a support connecting rod, a fixed clamping plate, a movable clamping plate, a reset spring, a driving component, a distance adjusting component, a connecting component and an adjusting component. A pneumatic material returning rod is arranged in the lower die base, supporting connecting rods are arranged on the two sides of the adjusting assembly correspondingly, a fixed clamping plate is arranged at one end of each supporting connecting rod, a plurality of sets of reset springs are arranged on the inner wall of each fixed clamping plate, and a movable clamping plate is arranged at one end of each reset spring. The pneumatic material returning rod moves upwards, the stamped and riveted product is separated from the riveting female die, so that effective material returning of the product is achieved, in addition, the movable clamping plate can be adjusted through the reset spring, the problem of material returning deformation is effectively solved, the rejection rate of the product is reduced, and then the production efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to pneumatic material returning device technical field especially relates to a plurality of rivets rivet simultaneously pneumatic material returning device. BACKGROUND

[0002] With the development of industrial automation, the material returning device of the punch also needs to realize automatic operation. This requires the material returning device to automatically complete the tasks of workpiece withdrawal, transfer and stacking, so as to reduce the labor intensity of workers and improve production efficiency.

[0003] In the actual use process, the structure is only designed with the punch, the die, this structure uses in single rivet rivet process does not have the problem, when multiple rivets rivet simultaneously, the product cannot effectively and smoothly return material, causing the product to deform, and the production efficiency is not improved.

[0004] Therefore, in view of the above problem of inconvenient to improve production efficiency, a plurality of rivets rivet simultaneously pneumatic material returning device can be designed. After the stamping process is completed, the pneumatic gas source device switch is opened, the gas source is connected, the pneumatic material returning rod goes up, and the product after riveting is separated from the riveting die, so as to realize the effective material returning of the product. In addition, according to the rebound force generated by the elastic deformation of the multiple reset springs, the movable clamping plate can be adjusted by the reset spring, so as to effectively solve the problem of material deformation, reduce the scrap rate of the product, and improve the production efficiency. UTILITY MODEL CONTENTS

[0005] In order to overcome the problem that the pneumatic material returning device has only the punch and the die in the structure, which is not a problem in single rivet rivet process, but when multiple rivets rivet simultaneously, the product cannot effectively and smoothly return material, causing the product to deform, and the production efficiency is not improved.

[0006] The technical scheme of the utility model is as follows: a plurality of rivets rivet simultaneously pneumatic material returning device, including support base, upper die holder, lower die holder, pneumatic material returning rod, support connecting rod, fixed clamping plate, movable clamping plate, reset spring, drive assembly, distance adjusting assembly, connecting assembly and adjusting assembly; the lower die holder is arranged above the support base, the upper die holder is arranged above the lower die holder, the pneumatic material returning rod is arranged in the lower die holder, the drive assembly is arranged in the support base, two groups of distance adjusting assemblies are arranged on both sides of the drive assembly, the connecting assembly is arranged above the distance adjusting assembly, the adjusting assembly is arranged above the connecting assembly, the support connecting rod is arranged on both sides of the adjusting assembly, the fixed clamping plate is arranged at one end of the support connecting rod, the reset spring is arranged on the inner wall of the fixed clamping plate, the reset spring is arranged in multiple groups, and the movable clamping plate is arranged at one end of the reset spring.

[0007] Preferably, when the pneumatic material returning device is in use, firstly, the driving assembly drives the two sets of distance adjusting assemblies to move, then the two sets of distance adjusting assemblies drive the two sets of clamping assemblies to move to the two sides of the product through the two sets of connecting assemblies, and the adjusting assembly drives the support connecting rods on the two sides to move, the support connecting rods drive the movable clamping plates to move through the fixed clamping plates, the two sides of the product are clamped through the two sets of movable clamping plates, after the stamping process is completed, the pneumatic gas source device is turned on, the gas source is connected, the pneumatic material returning rod goes up, and the product after riveting is separated from the riveting concave die, so that the effective material returning of the product is realized, in addition, the movable clamping plates are adjusted through the return springs according to the rebound force generated by the elastic deformation of the multiple return springs, so that the problem of material returning deformation is effectively solved, the product scrap rate is reduced, and the production efficiency is improved.

[0008] Preferably, the driving assembly comprises a mounting bottom plate, a double-shaft motor and a driving shaft; the bottom of the support base is provided with the mounting bottom plate, the upper side of the mounting bottom plate is provided with the double-shaft motor, one side output end of the double-shaft motor is provided with the driving shaft, and the driving shaft is provided with two sets, and the other driving shaft is arranged at the other side output end of the double-shaft motor.

[0009] Preferably, the distance adjusting assembly comprises a distance adjusting screw rod and a distance adjusting sliding rail; the two sides of the support base are provided with two sets of distance adjusting sliding rails, one end of the driving shaft is provided with the distance adjusting screw rod, and the distance adjusting screw rod is arranged in the distance adjusting sliding rail.

[0010] Preferably, the distance adjusting assembly further comprises a distance adjusting sliding block; the side wall of the adjusting sliding rod is provided with the distance adjusting sliding block, and the distance adjusting sliding block is in threaded connection with the distance adjusting screw rod.

[0011] Preferably, the connecting assembly comprises a connecting connecting rod and a mounting support; the upper side of the distance adjusting sliding block is provided with the connecting connecting rod, and one end of the connecting connecting rod is provided with the mounting support.

[0012] Preferably, the adjusting assembly comprises an adjusting motor and a bidirectional screw rod; the upper side of the mounting support is provided with the adjusting motor, the output end of the adjusting motor is provided with the bidirectional screw rod, the bidirectional screw rod is arranged in the mounting support, and one end of the bidirectional screw rod is in rotary connection with the inner wall of the mounting support.

[0013] Preferably, the adjusting assembly further comprises an adjusting sliding rod; the side wall of the bidirectional screw rod is provided with the adjusting sliding rod, the adjusting sliding rod is provided with two sets, and the adjusting sliding rod is in threaded connection with the bidirectional screw rod.

[0014] The utility model discloses the beneficial effect that:

[0015] 1、When the pneumatic material returning device is in use, first, the driving assembly is started to drive the two sets of distance adjusting assemblies to adjust and move, then the two sets of distance adjusting assemblies drive the two sets of clamping assemblies to adjust and move to the two sides of the product through the two sets of connecting assemblies, and the adjusting assembly drives the support connecting rods on the two sides to adjust and move, the support connecting rods drive the movable clamping plates to adjust through the fixed clamping plates, and the two sets of movable clamping plates can clamp the two sides of the product, after the stamping process is completed, the pneumatic gas source device switch is opened, the gas source is connected, the pneumatic material returning rod goes up, and the product after riveting is separated from the riveting concave die, so that the effective material returning of the product is realized, in addition, the movable clamping plates can be adjusted through the return springs according to the rebound force generated by the elastic deformation of the multiple return springs, so that the problem of material returning deformation is effectively solved, the product scrap rate is reduced, and the production efficiency is improved. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 A first three-dimensional structure schematic view of the pneumatic material returning device for simultaneously riveting multiple rivets is shown.

[0017] Figure 2 A first partial three-dimensional structure schematic view of the pneumatic material returning device for simultaneously riveting multiple rivets is shown.

[0018] Figure 3 A second partial three-dimensional structure schematic view of the pneumatic material returning device for simultaneously riveting multiple rivets is shown.

[0019] Figure 4 A third partial three-dimensional structure schematic view of the pneumatic material returning device for simultaneously riveting multiple rivets is shown.

[0020] The reference signs are explained as follows: 1, support base; 2, upper die seat; 3, lower die seat; 4, pneumatic material returning rod; 5, support connecting rod; 6, fixed clamping plate; 7, movable clamping plate; 8, return spring; 101, mounting bottom plate; 102, double-shaft motor; 103, driving shaft; 201, distance adjusting screw; 202, distance adjusting sliding rail; 203, distance adjusting sliding block; 301, connecting connecting rod; 302, mounting support; 401, adjusting motor; 402, bidirectional screw; 403, adjusting sliding rod. DETAILED DESCRIPTION

[0021] The utility model is further explained in connection with the drawings and examples.

[0022] Please refer to Figures 1-4The utility model provides an embodiment: a plurality of rivets simultaneous riveting pneumatic material returning device, including support base 1, upper die holder 2, lower die holder 3, pneumatic material returning rod 4, support connecting rod 5, fixed clamping plate 6, movable clamping plate 7, return spring 8, drive assembly, distance adjusting assembly, connecting assembly and adjusting assembly, the upper portion of support base 1 is provided with lower die holder 3, the upper portion of lower die holder 3 is provided with upper die holder 2, the inside of lower die holder 3 is provided with pneumatic material returning rod 4, the inside of support base 1 is provided with drive assembly, both sides of drive assembly are provided with two distance adjusting assemblies, the upper portion of distance adjusting assembly is provided with connecting assembly, the upper portion of connecting assembly is provided with adjusting assembly, both sides of adjusting assembly are provided with support connecting rod 5, one end of support connecting rod 5 is provided with fixed clamping plate 6, the inner wall of fixed clamping plate 6 is provided with return spring 8, return spring 8 is provided with multiple groups, one end of return spring 8 is provided with movable clamping plate 7.

[0023] Please refer to Figure 2 Drive assembly includes installation bottom plate 101, double shaft motor 102 and drive shaft 103, the bottom of support base 1 is provided with installation bottom plate 101, the upper portion of installation bottom plate 101 is provided with double shaft motor 102, one side output end of double shaft motor 102 is provided with drive shaft 103, drive shaft 103 is provided with two groups, and the other drive shaft 103 is provided at the other side output end of double shaft motor 102, starting double shaft motor 102 can drive two groups of drive shaft 103 to rotate synchronously, distance adjusting assembly includes distance adjusting screw 201 and distance adjusting slide rail 202, both sides of support base 1 are provided with two distance adjusting slide rails 202, one end of drive shaft 103 is provided with distance adjusting screw 201, distance adjusting screw 201 is provided in the inside of distance adjusting slide rail 202, drive shaft 103 can drive distance adjusting screw 201 to adjust rotation, distance adjusting assembly also includes distance adjusting slide block 203, the lateral wall of distance adjusting screw 201 is provided with distance adjusting slide block 203, distance adjusting slide block 203 is connected with distance adjusting screw 201 in screw thread, drive shaft 103 can drive distance adjusting slide block 203 to adjust movement through distance adjusting screw 201, distance adjusting slide block 203 can drive clamping assembly to adjust movement through distance adjusting slide rail 202.

[0024] Please refer to Figures 3-4In the embodiment, the connecting assembly comprises the connecting link 301 and the mounting bracket 302; the connecting link 301 is arranged above the distance adjusting slide block 203, and one end of the connecting link 301 is provided with the mounting bracket 302; the distance adjusting slide block 203 can drive the mounting bracket 302 to move by the connecting link 301; the adjusting assembly comprises the adjusting motor 401 and the bidirectional screw rod 402; the adjusting motor 401 is arranged above the mounting bracket 302, the output end of the adjusting motor 401 is provided with the bidirectional screw rod 402, the bidirectional screw rod 402 is arranged in the mounting bracket 302, and one end of the bidirectional screw rod 402 is rotationally connected with the inner wall of the mounting bracket 302; the bidirectional screw rod 402 can be driven to rotate by the adjusting motor 401; the adjusting assembly further comprises the adjusting slide rod 403; the adjusting slide rod 403 is arranged on the side wall of the bidirectional screw rod 402, and two groups of the adjusting slide rod 403 are arranged; the adjusting slide rod 403 is threadedly connected with the bidirectional screw rod 402; the two groups of adjusting slide rods 403 can be driven to move relatively by the bidirectional screw rod 402.

[0025] When the pneumatic material returning device is used, first, the double-shaft motor 102 is started to drive the two groups of driving shafts 103 to rotate synchronously, the driving shafts 103 drive the distance adjusting slide block 203 to move by the distance adjusting screw rod 201, the distance adjusting slide block 203 drives the clamping assembly to move by the distance adjusting slide rail 202, and the distance adjusting slide block 203 drives the mounting bracket 302 to move by the connecting link 301.

[0026] Further, the adjusting motor 401 is started to drive the bidirectional screw rod 402 to rotate, the bidirectional screw rod 402 drives the two groups of adjusting slide rods 403 to move relatively, the adjusting slide rods 403 drive the two groups of supporting links 5 to move, the supporting links 5 drive the movable clamping plates 7 to move by the fixed clamping plates 6, and the two groups of movable clamping plates 7 clamp the product from both sides.

[0027] After the stamping process is completed, the pneumatic air source device switch is opened, the air source is connected, the pneumatic material returning rod 4 goes up, and the product after the stamping and riveting is separated from the riveting concave die, so that the material returning of the product is effectively realized.

[0028] In addition, the movable clamping plates 7 are adjusted by the return springs 8 according to the rebound force generated by the elastic deformation of the multiple groups of return springs 8, so that the material returning deformation problem is effectively solved, the product scrap rate is reduced, and the production efficiency is improved.

[0029] Through the above steps, when the pneumatic material returning device is in use, first, starting the driving assembly can drive the two sets of distance adjusting assemblies to adjust and move, then the two sets of distance adjusting assemblies can drive the two sets of clamping assemblies to adjust and move to the two sides of the product through the two sets of connecting assemblies, and the two sides of the support connecting rods 5 can be driven to adjust and move through the adjusting assembly, the support connecting rods 5 can drive the movable clamping plates 7 to adjust and move through the fixed clamping plates 6, the two sides of the product can be clamped through the two sets of movable clamping plates 7, after the stamping process is completed, the pneumatic gas source device switch is opened, the gas source is connected, the pneumatic material returning rod 4 goes up, and the product after the stamping and riveting is separated from the riveting concave die, so that the effective material returning of the product is realized, in addition, the movable clamping plates 7 can be adjusted through the return springs 8, so that the problem of material returning deformation is effectively solved, the scrap rate of the product is reduced, and the production efficiency is improved.

[0030] The embodiments of the utility model are described in detail above in combination with the drawings, but the utility model is not limited to the above-mentioned embodiments, and various changes can be made within the knowledge range possessed by the person skilled in the art without departing from the purpose of the utility model.

Claims

1. A pneumatic material returning device for simultaneously riveting a plurality of rivets, comprising a supporting base (1); characterized in that: The utility model also includes upper die holder (2), lower die holder (3), pneumatic material returning rod (4), support connecting rod (5), fixed clamping plate (6), movable clamping plate (7), reset spring (8), drive assembly, distance adjusting assembly, connecting assembly and adjusting assembly, the upper side of support base (1) is provided with lower die holder (3), the upper side of lower die holder (3) is provided with upper die holder (2), the inside of lower die holder (3) is provided with pneumatic material returning rod (4), the inside of support base (1) is provided with drive assembly, both sides of drive assembly are provided with two distance adjusting assemblies, the upper side of distance adjusting assembly is provided with connecting assembly, the upper side of connecting assembly is provided with adjusting assembly, both sides of adjusting assembly are provided with support connecting rod (5), one end of support connecting rod (5) is provided with fixed clamping plate (6), the inner wall of fixed clamping plate (6) is provided with reset spring (8), reset spring (8) is provided with multiple groups, one end of reset spring (8) is provided with movable clamping plate (7).

2. The pneumatic material returning device for simultaneously riveting a plurality of rivets according to claim 1, characterized in that: The drive assembly comprises a mounting bottom plate (101), a double-shaft motor (102) and a drive shaft (103); the bottom of the support base (1) is provided with the mounting bottom plate (101), the mounting bottom plate (101) is provided with the double-shaft motor (102) above, and the double-shaft motor (102) is provided with the drive shaft (103) at one side output end, and the drive shaft (103) is provided with two groups, and the other drive shaft (103) is arranged at the other side output end of the double-shaft motor (102).

3. The pneumatic material returning device for simultaneously riveting a plurality of rivets according to claim 1, characterized in that: The distance adjusting assembly comprises a distance adjusting screw rod (201) and a distance adjusting sliding rail (202); the two sides of the support base (1) are provided with two distance adjusting sliding rails (202), and one end of the drive shaft (103) is provided with the distance adjusting screw rod (201), and the distance adjusting screw rod (201) is arranged in the distance adjusting sliding rail (202).

4. The pneumatic material ejecting device for simultaneously riveting a plurality of rivets according to claim 3, characterized in that: The distance adjusting assembly further comprises a distance adjusting sliding block (203); the side wall of the distance adjusting screw rod (201) is provided with the distance adjusting sliding block (203), and the distance adjusting sliding block (203) is in threaded connection with the distance adjusting screw rod (201).

5. The pneumatic material ejecting device for simultaneously ejecting a plurality of rivets according to claim 4, characterized in that: The connecting assembly comprises a connecting connecting rod (301) and a mounting bracket (302); the upper side of the distance adjusting sliding block (203) is provided with the connecting connecting rod (301), and one end of the connecting connecting rod (301) is provided with the mounting bracket (302).

6. The pneumatic material ejecting device for simultaneously riveting a plurality of rivets according to claim 5, characterized in that: The adjusting assembly comprises an adjusting motor (401) and a bidirectional screw rod (402); the upper side of the mounting bracket (302) is provided with the adjusting motor (401), and the output end of the adjusting motor (401) is provided with the bidirectional screw rod (402), and the bidirectional screw rod (402) is arranged in the mounting bracket (302), and one end of the bidirectional screw rod (402) is in rotary connection with the inner wall of the mounting bracket (302).

7. The pneumatic material ejecting device for simultaneously ejecting a plurality of rivets according to claim 6, characterized in that: The adjusting assembly further comprises an adjusting sliding rod (403); the side wall of the bidirectional screw rod (402) is provided with the adjusting sliding rod (403), the adjusting sliding rod (403) is provided with two groups, and the adjusting sliding rod (403) is in threaded connection with the bidirectional screw rod (402).

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