Double-station pneumatic spot welding machine

Abstract

The utility model belongs to the technical field of welding, and discloses a double-station pneumatic spot welding machine which comprises a welding assembly used for stretching out and drawing back to conduct spot welding and further comprises a machine frame assembly used for supporting, moving and adjusting the spot welding position, and two feeding assemblies used for alternately conveying parts in a reciprocating mode are installed on the machine frame assembly side by side. The welding assembly is installed on the top of the rack assembly. The rack assembly comprises a supporting table, a fixing frame is arranged on the supporting table, a first linear guide rail is arranged on the fixing frame, a first linear motor is installed on the first linear guide rail, and a movable frame is installed on the first linear motor. According to the double-station pneumatic spot welding machine disclosed by the utility model, due to the arrangement of the parallel double stations, parts can be conveniently disassembled and assembled at the same position; through the arrangement of reciprocating movement conveying parts, the welding position and the disassembling and assembling position are separated, and safety is improved; and through the arrangement of alternately conveying the parts in parallel, the occupied space is reduced.

Description

Technical Field

[0001] The utility model belongs to the technical field of welding, in particular to a double-station pneumatic spot welding machine. Background Art

[0002] Spot welding machines have the characteristics of high production efficiency, low cost, material saving, and easy automation. Therefore, they are widely used in various industrial sectors such as aviation, aerospace, energy, electronics, automobiles, and light industry. They are one of the important welding processes.

[0003] In contrast, the Chinese patent with announcement number CN111299784A discloses a double-station two-axis CNC gantry automatic spot welding machine, including a frame base, a gantry frame mechanism, a welding fixture assembly, a gantry walking servo slide assembly, a spot welding head lifting assembly, a pneumatic spot welding head and a welding power supply, wherein the welding fixture assembly is symmetrically fixed on the top outer wall of the frame base; the welding fixture assembly includes a front and rear pneumatic telescopic mechanism, a left and right pneumatic telescopic mechanism, a conductive electrode and an auxiliary positioning and clamping mechanism, the conductive electrodes are symmetrically installed on the top outer wall of the frame base, the front and rear pneumatic telescopic mechanisms are bolted on the outer wall between the conductive electrodes, the left and right pneumatic telescopic mechanisms are bolted on the outer wall of the conductive electrode below the front and rear pneumatic telescopic mechanisms, the auxiliary positioning and clamping mechanism is installed on the outer wall of the frame base on one side of the conductive electrode, the gantry frame mechanism is installed on the outer wall on the other side of the frame base, and the gantry walking servo slide assembly is fixed on the outer wall on one side of the bottom end of the gantry frame mechanism.

[0004] However, the above patent has double stations arranged in a straight line, and the parts need to be disassembled and assembled at both ends. It is impossible to disassemble and assemble the parts at the same position, which is time-consuming and labor-intensive. Therefore, a new device needs to be designed. Utility Model Content

[0005] The purpose of the utility model is to provide a double-station pneumatic spot welding machine to solve the problems raised in the above background technology.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] A double-station pneumatic spot welding machine includes a welding assembly for telescopic spot welding, and also includes a frame assembly for supporting movement and adjusting the spot welding position, two feeding assemblies for reciprocating and alternately conveying parts are installed in parallel on the frame assembly, and the welding assembly is installed on the top of the frame assembly; the frame assembly includes a support table, a fixed frame is arranged on the support table, a first linear guide is arranged on the fixed frame, a first linear motor is installed on the first linear guide, and a movable frame is installed on the first linear motor; the feeding assembly includes two symmetrically arranged second linear guides, a second linear motor is installed on the second linear guide, a workbench is installed on the second linear motor, and a plurality of T-slots are evenly distributed on the workbench.

[0008] Furthermore, the welding assembly comprises a telescopic cylinder, a lifting frame is installed at the telescopic end of the telescopic cylinder, a welding mainframe is installed on the lifting frame, and a welding head is arranged below the welding mainframe.

[0009] Furthermore: the telescopic cylinder is respectively connected to the movable frame and the lifting frame by bolts.

[0010] Furthermore: the fixed frame and the supporting platform are welded together, and the movable frame and the first linear motor are connected by bolts.

[0011] Furthermore: the workbench is rectangular and made of 45 steel.

[0012] Furthermore: the second linear guide rail is connected to the support table by bolts, and the second linear motor is connected to the workbench by bolts.

[0013] Compared with the prior art, the beneficial effects are:

[0014] 1. The parallel double-station setting makes it convenient to disassemble and assemble parts at the same position;

[0015] 2. Through the setting of reciprocating conveying parts, the welding position is separated from the disassembly position, which improves safety;

[0016] 3. The space occupied is reduced by setting up the parallel and alternating conveying of parts. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a structural schematic diagram of a double-station pneumatic spot welding machine described in the utility model;

[0018] Figure 2 It is a front view of a double-station pneumatic spot welding machine described in the utility model;

[0019] Figure 3 It is a schematic diagram of a welding assembly of a double-station pneumatic spot welding machine described in the utility model;

[0020] Figure 4 It is a front view of a frame assembly of a double-station pneumatic spot welding machine described in the utility model;

[0021] Figure 5 It is a schematic diagram of a feeding assembly of a double-station pneumatic spot welding machine described in the utility model.

[0022] In the accompanying drawings: 101, telescopic cylinder; 102, lifting frame; 103, welding main machine; 104, welding head; 201, support table; 202, fixed frame; 203, first linear guide; 204, first linear motor; 205, movable frame; 301, second linear guide; 302, second linear motor; 303, workbench; 304, T-slot. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] See also Figure 1-Figure 5 A double-station pneumatic spot welding machine includes a welding assembly for telescopic spot welding, and a frame assembly for supporting movement and adjustment of the spot welding position. Two feeding assemblies for reciprocating and alternately conveying parts are installed in parallel on the frame assembly, and the welding assembly is installed on the top of the frame assembly.

[0025] In this embodiment: the frame assembly includes a support table 201, a fixed frame 202 is provided on the support table 201, the fixed frame 202 and the support table 201 are welded together, a first linear guide 203 is provided on the fixed frame 202, a first linear motor 204 is installed on the first linear guide 203, a movable frame 205 is installed on the first linear motor 204, the movable frame 205 and the first linear motor 204 are bolted, the fixed frame 202 supports the first linear guide 203, the first linear motor 204 drives the movable frame 205 along the first linear guide 203, so that the welding head 104 is aligned with the welding position of the parts;

[0026] In this embodiment: the welding assembly includes a telescopic cylinder 101, a lifting frame 102 is installed at the telescopic end of the telescopic cylinder 101, the telescopic cylinder 101 is bolted to the movable frame 205 and the lifting frame 102 respectively, a welding host 103 is installed on the lifting frame 102, a welding head 104 is arranged below the welding host 103, the telescopic cylinder 101 extends to push the lifting frame 102 to drive the welding head 104 to contact the parts, and the welding host 103 performs spot welding on the parts through the welding head 104;

[0027] In this embodiment: the feeding assembly includes two symmetrically arranged second linear guides 301, the second linear guides 301 are bolted to the support table 201, a second linear motor 302 is installed on the second linear guide 301, a workbench 303 is installed on the second linear motor 302, the second linear motor 302 and the workbench 303 are bolted, the workbench 303 is rectangular, and is made of 45 steel. A number of T-slots 304 are evenly distributed on the workbench 303, and the parts are fixed on the workbench 303 through the T-slots 304. The second linear motor 302 drives the workbench 303 and the parts to move along the second linear guide 301 to the bottom of the fixed frame 202.

[0028] Working principle: fix the parts on the workbench 303 through the T-slot 304, the second linear motor 302 drives the workbench 303 and the parts to move along the second linear guide 301 to the bottom of the fixed frame 202, the fixed frame 202 supports the first linear guide 203, the first linear motor 204 drives the movable frame 205 along the first linear guide 203, so that the welding head 104 is aligned with the welding position of the part, the telescopic cylinder 101 extends and pushes the lifting frame 102 to drive the welding head 104 to contact the part, the welding host 103 spot welds the part through the welding head 104, and at the same time fixes the second part on another workbench 303, and the parts are conveyed alternately in this way to complete the duplex spot welding.

[0029] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A double-station pneumatic spot welding machine, comprising a welding assembly for telescopic spot welding, characterized in that: It also includes a frame assembly for supporting movement and adjusting the spot welding position, on which two feeding assemblies for reciprocating movement and alternately conveying parts are installed in parallel, and the welding assembly is installed on the top of the frame assembly; The frame assembly comprises a support platform (201), a fixed frame (202) is arranged on the support platform (201), a first linear guide rail (203) is arranged on the fixed frame (202), a first linear motor (204) is installed on the first linear guide rail (203), and a movable frame (205) is installed on the first linear motor (204); The feeding assembly comprises two symmetrically arranged second linear guide rails (301), a second linear motor (302) is mounted on the second linear guide rails (301), a workbench (303) is mounted on the second linear motor (302), and a plurality of T-slots (304) are evenly distributed on the workbench (303).

2. A double-station pneumatic spot welding machine according to claim 1, characterized in that: The welding assembly comprises a telescopic cylinder (101), a lifting frame (102) is installed at the telescopic end of the telescopic cylinder (101), a welding main machine (103) is installed on the lifting frame (102), and a welding head (104) is arranged below the welding main machine (103).

3. A double-station pneumatic spot welding machine according to claim 2, characterized in that: The telescopic cylinder (101) is respectively connected to the movable frame (205) and the lifting frame (102) by bolts.

4. A double-station pneumatic spot welding machine according to claim 1, characterized in that: The fixed frame (202) and the supporting platform (201) are welded together, and the movable frame (205) and the first linear motor (204) are bolted together.

5. A double-station pneumatic spot welding machine according to claim 1, characterized in that: The workbench (303) is rectangular and made of 45 steel.

6. A double-station pneumatic spot welding machine according to claim 1, characterized in that: The second linear guide rail (301) is bolted to the support platform (201), and the second linear motor (302) is bolted to the workbench (303).

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