Pin spin riveting workbench for automobile side plate assembling production line

Abstract

The utility model discloses a pin spin-riveting workbench for an automobile side plate assembly line. The pin spin-riveting workbench comprises a spin-riveting workbench structure and a machine tool frame. A workpiece tray assembly is arranged on the line body, and a workpiece to be subjected to spin riveting operation is arranged on a workpiece tray of the workpiece tray assembly; the workpiece tray is provided with two sets of workpiece supporting structures used for supporting workpieces, the spin riveting workbench structure is integrated with two hydraulic spin riveting machines, and each hydraulic spin riveting machine corresponds to at least one workpiece on one set of workpiece supporting structure. According to the rotary riveting workbench, the rotary riveting workbench is integrated at the designated position of the production line body, a plurality of sets of workpieces are borne and moved through the workpiece trays, the two hydraulic rotary riveting machines are arranged on the rotary riveting workbench side by side, the multiple workpieces are subjected to rotary riveting operation at the same time in the mode that the two hydraulic rotary riveting machines work at the same time, and the production efficiency is improved. And the working efficiency and the product quality are improved, the workpiece is prevented from being damaged due to workpiece transferring, and the production and assembly progress is accelerated.

Description

Technical Field

[0001] The utility model relates to the technical field of automobile side panel production and assembly, in particular to a pin riveting workbench used in an automobile side panel assembly production line. Background Art

[0002] During the assembly process of the automobile side panel, a hydraulic riveting machine is required to rivet the pins of the side panel. At present, the riveting operation requires the workpiece to be transported to an independent riveting machine for riveting. At the same time, after the riveting operation, the workpiece is transferred to the production line for the next process. The continuous transfer of workpieces will bring great inconvenience to the production and assembly process, increase manpower and material resources, and increase the production cost of the enterprise; secondly, the transfer of workpieces will also cause damage to the workpiece, increase the scrap rate, seriously affect the production progress, and increase production costs.

[0003] Therefore, based on the above technical problems, technicians in this field urgently need to develop a pin riveting workbench for an automobile side panel assembly production line. Utility Model Content

[0004] The purpose of the utility model is to provide a pin riveting workbench for an automobile side panel assembly production line. The workbench is integrated in the line body of the automobile side panel production and assembly production line, can well undertake the upstream and downstream processes of the process, and can perform riveting operations on multiple groups of workpieces at the same time in the form of a double hydraulic riveting machine, thereby improving production efficiency, reducing the investment in manpower and material resources, and reducing the production cost of the enterprise.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] The utility model discloses a pin riveting workbench for an automobile side panel assembly production line, wherein the pin riveting workbench is integrated into the line body of the automobile side panel assembly production line, and the pin riveting workbench comprises:

[0007] Spin riveting workbench structure;

[0008] A machine tool frame located at the lower part of the wire body and accommodating and supporting the spin riveting workbench structure;

[0009] A workpiece pallet assembly is provided on the line body, and a workpiece to be riveted is placed on the workpiece pallet of the workpiece pallet assembly;

[0010] Two groups of workpiece support structures for supporting the workpieces are arranged on the workpiece pallet, and two hydraulic riveting machines are integrated in the riveting workbench structure, each of which corresponds to at least one workpiece on a group of the workpiece support structures.

[0011] Furthermore, the machine tool frame is configured as a frame structure formed by welding square steel pipes with a specification of 80mm*80mm;

[0012] The interior of the machine tool frame is hollow, and the bottom of the machine tool frame is formed into a bottom support frame by a plurality of square steel pipes;

[0013] The spin riveting workbench structure is supported on the bottom support frame of the machine tool frame;

[0014] The four corners of the machine tool frame are formed as support legs, and the bottoms of the support legs are provided with feet supported on the ground.

[0015] Furthermore, the workpiece pallet assembly comprises:

[0016] A workpiece pallet frame integrated into the line body; and

[0017] The workpiece pallet is located at the inner circle of the workpiece pallet outer frame, and the workpiece pallet can be separated from the workpiece pallet outer frame and away from the workpiece pallet outer frame;

[0018] The workpiece pallet is lifted by a lifting assembly to move in a vertical direction and away from the workpiece pallet outer frame;

[0019] The workpiece pallet is lifted by the lifting assembly to adjust the distance between the workpiece thereon and the hydraulic riveting machine.

[0020] Further, the lifting assembly is a pallet lifting cylinder located at the bottom of the workpiece pallet;

[0021] The output end of the pallet lifting cylinder is connected to the workpiece pallet to drive the workpiece pallet to move in the vertical direction;

[0022] A limiting portion is provided on the outer side surface of the wire body at a position matching the position of the workpiece tray close to the four corners;

[0023] The lower part of the limiting part is assembled and fixed with the wire body, and the upper part of the limiting part has a limiting end extending toward one side of the workpiece tray.

[0024] Furthermore, the workpiece support structure comprises:

[0025] A plurality of support rods matching the positions of the mounting holes of the workpiece; and

[0026] Mounting seat;

[0027] One end of a part of the support rods is connected to the workpiece pallet through the mounting seat, and another part of the support rods is directly connected to the workpiece pallet;

[0028] The workpiece is supported on the workpiece pallet through a corresponding plurality of support rods.

[0029] Furthermore, the spin riveting workbench structure includes:

[0030] A C-shaped base, the lower portion of which is located in the hollow structure of the machine tool frame and supported by a bottom support frame of the machine tool frame; and

[0031] Two hydraulic riveting machines mounted on the upper part of the C-shaped base;

[0032] The two hydraulic riveting machines are symmetrically arranged along the width direction of the C-shaped base, and the riveting operation ends of the hydraulic riveting machines extend toward the workpiece.

[0033] Furthermore, a workpiece clamping assembly is provided on the front side of each of the hydraulic riveting machines;

[0034] The workpiece clamping assembly is a workpiece clamping cylinder fixed to the front side of the hydraulic riveting machine through a mounting frame, and a clamping block is provided at the output end of the workpiece clamping cylinder;

[0035] The workpiece clamping cylinder drives the clamping block to move in a vertical direction and can be pressed on the upper surface of the corresponding workpiece.

[0036] In the above technical solution, the utility model provides a pin riveting workbench for an automobile side panel assembly production line, which has the following beneficial effects:

[0037] In order to adapt to the process requirements of seat side panel pin rivet diameter min. 12.5mm and height 2.2mm±0.2mm, the utility model integrates a rivet workbench at a specified position of the production line body, uses a workpiece pallet to carry and move multiple groups of workpieces, and arranges two hydraulic rivet machines side by side on the rivet workbench. The two hydraulic rivet machines are used to operate simultaneously on multiple workpieces, thereby improving work efficiency and product quality, avoiding damage to the workpieces due to transfer, and accelerating the progress of production and assembly. BRIEF DESCRIPTION OF THE DRAWINGS

[0038] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. It is obvious that the drawings described below are only some embodiments recorded in the present utility model. For ordinary technicians in this field, other drawings can also be obtained based on these drawings.

[0039] Figure 1 The structure of a pin riveting workbench for an automobile side panel assembly production line disclosed in an embodiment of the utility model is schematically shown. Figure 1 ;

[0040] Figure 2 The structure of a pin riveting workbench for an automobile side panel assembly production line disclosed in an embodiment of the utility model is schematically shown. Figure 2 ;

[0041] Figure 3 It is a structural schematic diagram of a spin riveting workbench structure of a pin spin riveting workbench used in an automobile side panel assembly production line disclosed in an embodiment of the utility model;

[0042] Figure 4 This is an enlarged structural diagram of a workpiece and a workpiece tray assembly of a pin riveting workbench for an automobile side panel assembly production line disclosed in an embodiment of the utility model;

[0043] Figure 5 The utility model is a schematic structural diagram of a limiter of a pin riveting workbench used in an automobile side panel assembly production line disclosed in an embodiment of the utility model.

[0044] Description of reference numerals:

[0045] 1. Line body; 2. Riveting workbench structure; 3. Workpiece pallet assembly; 4. Workpiece; 5. Machine tool frame; 6. Workpiece support structure; 7. Limiting part; 8. Workpiece clamping cylinder; 9. Pallet lifting cylinder;

[0046] 201. C-type base; 202. Hydraulic riveting machine;

[0047] 301, workpiece pallet outer frame; 302, workpiece pallet;

[0048] 501, footing;

[0049] 601, mounting seat; 602, support rod;

[0050] 701, limit end;

[0051] 801, compression block. DETAILED DESCRIPTION

[0052] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0053] See also Figures 1 to 5 As shown;

[0054] The present embodiment is a pin riveting workbench for an automobile side panel assembly production line, the pin riveting workbench is integrated into a line body 1 of the automobile side panel assembly production line, and the pin riveting workbench comprises:

[0055] Spin riveting workbench structure 2;

[0056] A machine tool frame 5 located at the lower part of the line body 1 and accommodating and supporting the riveting workbench structure 2;

[0057] A workpiece pallet assembly 3 is provided on the line body 1, and a workpiece 4 to be riveted is placed on a workpiece pallet 302 of the workpiece pallet assembly 3;

[0058] Two groups of workpiece support structures 6 for supporting workpieces 4 are arranged on the workpiece pallet 302 , and the riveting workbench structure 2 is integrated with two hydraulic riveting machines 202 , each hydraulic riveting machine 202 corresponds to at least one workpiece 4 on a group of workpiece support structures 6 .

[0059] Specifically, the present embodiment discloses a pin riveting workbench suitable for an automobile side panel assembly production line, which is mainly a pin riveting workbench capable of riveting the side panel pins on the line body 1 of the existing automobile side panel assembly production line; based on the appropriate position of the line body 1 of the existing assembly production line, the pin riveting workbench of the present embodiment is integrated with the machine tool frame 5; wherein, a workpiece tray assembly 3 capable of moving to convey a workpiece 4 is arranged on the line body 1, wherein the workpiece tray assembly 3 has a workpiece tray 302 carrying a plurality of workpieces 4. When the workpiece tray 302 moves to a position matching the pin riveting workbench, it is detected that the tooling is in place, that is, the riveting workbench is driven to work. In order to speed up the assembly progress and reduce the labor input, the present embodiment sets two hydraulic riveting machines 202 on the riveting workbench, and the two hydraulic riveting machines 202 work simultaneously to rivet the pins on the workpieces. Speed ​​up the work progress. Since the device is integrated into the existing automobile side panel assembly production line, it can well undertake the tooling of the upstream and downstream processes, and can realize production and assembly without the transfer of the workpiece 4, thereby reducing the scrap rate.

[0060] Preferably, the machine tool frame 5 of the present embodiment is configured as a frame structure welded by square steel pipes with a specification of 80mm*80mm; the interior of the machine tool frame 5 is hollow, and the bottom of the machine tool frame 5 is formed as a bottom support frame by multiple square steel pipes; the rotary riveting workbench structure 2 is supported on the bottom support frame of the machine tool frame 5; the four corners of the machine tool frame 5 are formed as support legs, and the bottom of the support legs has a foot 501 supported on the ground.

[0061] This embodiment further defines the structure of the machine tool frame 5, which is welded by square steel pipes with a specification of 80mm*80mm, with a space reserved inside for carrying the riveting workbench structure 2, and the bottom is supported on the ground by four height-adjustable feet 501. The entire machine tool frame 5 bypasses the existing automobile side panel production line and will not affect the transportation of the workpiece 4 by the automobile side panel assembly production line.

[0062] Preferably, the workpiece pallet assembly 3 of this embodiment includes:

[0063] A workpiece pallet outer frame 301 integrated into the line body 1; and

[0064] The workpiece pallet 302 is located on the inner circle of the workpiece pallet outer frame 301, and the workpiece pallet 302 can be detached from the workpiece pallet outer frame 301 and move away from the workpiece pallet outer frame 301; the workpiece pallet 302 is lifted by the lifting assembly to move in the vertical direction and away from the workpiece pallet outer frame 301; the workpiece pallet 302 is lifted by the lifting assembly to adjust the distance between the workpiece 4 thereon and the hydraulic riveting machine 202.

[0065] The present embodiment is only further explained and illustrated by a workpiece pallet assembly 3 that can realize the function; the workpiece pallet assembly 3 of the present embodiment includes a workpiece pallet outer frame 301 and a workpiece pallet 302; wherein, the workpiece pallet 302 carries multiple workpieces 4 through a workpiece support structure 6, and as it moves into position, after the detector detects that it is in position, the workpiece pallet 302 rises under the action of the lifting assembly, driving the multiple workpieces 4 thereon to move toward the hydraulic riveting machine 202 together, and after approaching the riveting machine, two hydraulic riveting machines 202 are used to perform riveting operations on multiple workpieces at the same time.

[0066] Preferably, the lifting assembly of this embodiment is a pallet lifting cylinder 9 located at the bottom of the workpiece pallet 302;

[0067] The output end of the pallet lifting cylinder 9 is connected to the workpiece pallet 302 to drive the workpiece pallet 302 to move in the vertical direction;

[0068] A limiting portion 7 is provided on the outer side surface of the wire body 1 and at a position matching the position of the workpiece tray 302 near the four corners;

[0069] The lower portion of the limiting portion 7 is assembled and fixed to the wire body 1 , and the upper portion of the limiting portion 7 has a limiting end 701 extending toward one side of the workpiece tray 302 .

[0070] As an extended implementation method, this embodiment further discloses the structure of the lifting assembly, which uses a pallet lifting cylinder 9 to support the movement of the workpiece pallet 302, and four limit parts 7 are set on the outer side of the existing production line, and the limit ends 701 of the limit parts 7 are used to limit the lifting height of the workpiece pallet 302.

[0071] Preferably, the workpiece support structure 6 of this embodiment includes:

[0072] A plurality of support rods 602 matching the mounting hole positions of the workpiece 4; and a mounting seat 601; one end of a portion of the support rods 602 is connected to the workpiece pallet 302 via the mounting seat 601, and another portion of the support rods 602 is directly connected to the workpiece pallet 302; the workpiece 4 is supported on the workpiece pallet 302 via the corresponding plurality of support rods 602.

[0073] Preferably, the rotary riveting workbench structure 2 of this embodiment includes:

[0074] A C-shaped base 201, the lower portion of which is located in the hollow structure of the machine tool frame 5 and supported by a bottom support frame of the machine tool frame 5; and

[0075] Two hydraulic riveting machines 202 mounted on the upper part of the C-shaped base 201;

[0076] The two hydraulic riveting machines 202 are symmetrically arranged along the width direction of the C-shaped base 201 , and the riveting working ends of the hydraulic riveting machines 202 extend toward the workpiece 4 .

[0077] Secondly, a workpiece clamping assembly is provided on the front side of each hydraulic riveting machine 202 of the present embodiment;

[0078] After the tooling uses the workpiece clamping assembly to clamp the corresponding workpiece 4, the hydraulic riveting machine 202 is used to perform the riveting operation of the pins; specifically: the workpiece clamping assembly is a workpiece clamping cylinder 8 fixed to the front side of the hydraulic riveting machine 202 through a mounting frame, and a clamping block 801 is provided at the output end of the workpiece clamping cylinder 8; the workpiece clamping cylinder 8 drives the clamping block 801 to move in the vertical direction and can be pressed on the upper surface of the corresponding workpiece 4.

[0079] The electrical control of the tooling in this embodiment adopts a three-phase two-wire system, the input voltage is 220V, and the control voltage is DC24V.

[0080] In the above technical solution, the utility model provides a pin riveting workbench for an automobile side panel assembly production line, which has the following beneficial effects:

[0081] In order to adapt to the process requirements of the seat side panel pin rivet with a diameter of min. 12.5 mm and a height of 2.2 mm ± 0.2 mm, the utility model integrates a rivet workbench at a specified position of the production line body 1, uses a workpiece pallet 302 to carry and move multiple groups of workpieces 4, and arranges two hydraulic rivet machines 202 side by side on the rivet workbench. The two hydraulic rivet machines 202 operate simultaneously to perform rivet operations on multiple workpieces 4, thereby improving work efficiency and product quality, avoiding damage to the workpieces due to the transfer of the workpieces 4, and accelerating the progress of production and assembly.

[0082] The above only describes some exemplary embodiments of the present invention by way of illustration. It is undoubted that those skilled in the art can modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and descriptions are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.

Claims

1. A pin riveting workbench for an automobile side panel assembly production line, characterized in that: The pin riveting workbench is integrated into a line body (1) of an automobile side panel assembly production line, and the pin riveting workbench comprises: Riveting workbench structure (2); A machine tool frame (5) located at the lower part of the wire body (1) and accommodating and supporting the spin riveting workbench structure (2); The line body (1) is provided with a workpiece pallet assembly (3), and a workpiece (4) to be riveted is placed on the workpiece pallet (302) of the workpiece pallet assembly (3); The workpiece pallet (302) is provided with two groups of workpiece support structures (6) for supporting the workpieces (4), and the rotary riveting workbench structure (2) is integrated with two hydraulic rotary riveting machines (202), each of the hydraulic rotary riveting machines (202) corresponding to at least one of the workpieces (4) on a group of the workpiece support structures (6).

2. The pin riveting workbench for automobile side panel assembly production line according to claim 1, characterized in that: The machine tool frame (5) is configured as a frame structure formed by welding square steel pipes with a specification of 80 mm*80 mm; The interior of the machine tool frame (5) is hollow, and the bottom of the machine tool frame (5) is formed into a bottom support frame by a plurality of square steel pipes; The rotary riveting workbench structure (2) is supported on a bottom support frame of the machine tool frame (5); The four corners of the machine tool frame (5) are formed as support legs, and the bottoms of the support legs have feet (501) supported on the ground.

3. A pin riveting workbench for an automobile side panel assembly production line according to claim 1 or 2, characterized in that: The workpiece pallet assembly (3) comprises: A workpiece pallet outer frame (301) integrated in the line body (1); and The workpiece pallet (302) is located in the inner circle of the workpiece pallet outer frame (301), and the workpiece pallet (302) can be separated from the workpiece pallet outer frame (301) and away from the workpiece pallet outer frame (301); The workpiece pallet (302) is lifted by a lifting assembly to move in a vertical direction and away from the workpiece pallet outer frame (301); The workpiece pallet (302) is lifted by the lifting assembly to adjust the distance between the workpiece (4) thereon and the hydraulic riveting machine (202).

4. The pin riveting workbench for automobile side panel assembly production line according to claim 3, characterized in that: The lifting assembly is a pallet lifting cylinder (9) located at the bottom of the workpiece pallet (302); The output end of the pallet lifting cylinder (9) is connected to the workpiece pallet (302) to drive the workpiece pallet (302) to move in a vertical direction; A limiting portion (7) is provided on the outer side surface of the wire body (1) at a position matching the position of the workpiece tray (302) close to the four corners; The lower part of the limiting portion (7) is assembled and fixed to the wire body (1), and the upper part of the limiting portion (7) has a limiting end (701) extending toward one side of the workpiece tray (302).

5. The pin riveting workbench for automobile side panel assembly production line according to claim 3, characterized in that: The workpiece support structure (6) comprises: A plurality of support rods (602) matching the positions of the mounting holes of the workpiece (4); and Mounting seat (601); One end of a portion of the support rods (602) is connected to the workpiece pallet (302) via the mounting seat (601), and another portion of the support rods (602) is directly connected to the workpiece pallet (302); The workpiece (4) is supported on the workpiece pallet (302) via a corresponding plurality of support rods (602).

6. The pin riveting workbench for automobile side panel assembly production line according to claim 2, characterized in that: The rotary riveting workbench structure (2) comprises: A C-shaped base (201), the lower part of which is located in the hollow structure of the machine tool frame (5) and supported by a bottom support frame of the machine tool frame (5); and Two hydraulic riveting machines (202) mounted on the upper part of the C-shaped base (201); The two hydraulic riveting machines (202) are symmetrically arranged along the width direction of the C-shaped base (201), and the riveting operation ends of the hydraulic riveting machines (202) extend toward the workpiece (4).

7. The pin riveting workbench for automobile side panel assembly production line according to claim 6, characterized in that: A workpiece clamping assembly is provided on the front side of each hydraulic riveting machine (202); The workpiece pressing assembly is a workpiece pressing cylinder (8) which is fixed to the front side of the hydraulic riveting machine (202) through a mounting frame, and a pressing block (801) is provided at the output end of the workpiece pressing cylinder (8); The workpiece clamping cylinder (8) drives the clamping block (801) to move in a vertical direction and can be pressed on the upper surface of the corresponding workpiece (4).

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