Sliding table moving mechanism for automatic convex spot welding

Abstract

The utility model discloses a sliding table moving mechanism for automatic convex spot welding, which belongs to the technical field of spot welding and comprises a bottom frame, an integral sliding table and a workpiece sliding table, and two welding stations are arranged on the bottom frame along a first horizontal direction; the integral sliding table is slidably connected to the bottom frame in the first horizontal direction, and a first driving device used for driving the integral sliding table to move between the two welding stations is arranged between the integral sliding table and the bottom frame. The workpiece sliding table is slidably connected to the overall sliding table in the second horizontal direction, and a second driving device used for driving the workpiece sliding table to move is arranged between the workpiece sliding table and the overall sliding table. The workpiece sliding table is used for bearing workpieces. According to the spot welding system, the labor intensity of workers can be reduced, and the structural complexity and cost of the spot welding system can be reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to spot welding technical field especially relates to a kind of sliding table moving mechanism for automatic projection spot welding. BACKGROUND

[0002] In automatic patch plate processing industry, generally double-station alternate work, two stations are evenly arranged with support for placing workpiece, two supports are generally spliced by aluminum profile, and two supports generally have compatibility and uniformity, and the profiling plate for limiting the workpiece to be welded is arranged on the support, so that the worker can accurately and quickly place the workpiece to be welded.

[0003] When welding, workers alternate in two stations to carry out workpiece feeding and discharging work, i.e. workers need to walk back and forth between two stations, which will cause workers to be tired after long time work, and it is easy to mix up the stations and cause errors in loading and unloading. SUMMARY

[0004] In view of the problem of high labor intensity caused by the projection spot welding double-station alternate work in the prior art, the utility model aims to provide a sliding table moving mechanism for automatic projection spot welding, so as to at least partially solve the above problems.

[0005] To achieve the above-mentioned purpose, the technical scheme of the utility model is as follows:

[0006] A sliding table moving mechanism for automatic projection spot welding, comprising a bottom frame, an integral sliding table and a workpiece sliding table, the bottom frame is provided with two welding stations along the first horizontal direction; the integral sliding table is slidably connected to the bottom frame along the first horizontal direction, and a first driving device is arranged between the integral sliding table and the bottom frame for driving the integral sliding table to move between the two welding stations; the workpiece sliding table is slidably connected to the integral sliding table along the second horizontal direction, and a second driving device is arranged between the workpiece sliding table and the integral sliding table for driving the workpiece sliding table to move; the workpiece sliding table is used for carrying workpieces.

[0007] In some preferred embodiments, the bottom frame is fixed with a first sliding rail arranged along the first horizontal direction, and the integral sliding table is fixed with a first sliding block matched with the first sliding rail; the integral sliding table is fixed with a second sliding rail arranged along the second horizontal direction, and the workpiece sliding table is fixed with a second sliding block matched with the second sliding rail.

[0008] In some preferred embodiments, the first driving device comprises a first motor fixed on the integral slide table, a first gear fixed on a motor shaft of the first motor, and a first gear rack fixed on the bottom frame and arranged along the first horizontal direction; and the second driving device comprises a second motor fixed on the workpiece slide table, a second gear fixed on a motor shaft of the second motor, and a second gear rack fixed on the integral slide table and arranged along the second horizontal direction.

[0009] In some preferred embodiments, the first motor and the second motor are both servo motors.

[0010] In some preferred embodiments, the first motor and the second motor are both provided with a connecting structure, which comprises a vertical plate, a cushion block and a connecting block arranged in sequence and fixed by screws, the vertical plate being used for fixing the motor and having a through hole for the motor shaft to pass through.

[0011] In some preferred embodiments, the cushion block is made of elastic or flexible material.

[0012] In some preferred embodiments, the first horizontal direction and the second horizontal direction are perpendicular to each other.

[0013] With the above technical scheme, the utility model has the advantages that: the integral slide table arranged to move along the first horizontal direction relative to the bottom frame enables the workpiece to switch between the two workstations arranged along the first horizontal direction on the bottom frame, so that the worker only needs to load and unload the workpiece at a fixed position, thereby reducing the labor intensity of the worker. In addition, the workpiece slide table arranged to move along the second horizontal direction relative to the integral slide table enables the workpiece to realize planar motion in each workstation, so that the two workstations do not need to be equipped with a planar motion mechanism for the spot welding equipment, which can reduce the structural complexity and cost of the spot welding system. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 Fig. 1 is a structural schematic view of the utility model.

[0015] Figure 2 Fig. 2 is a structural schematic view of the integral slide table in the utility model.

[0016] Figure 3 Fig. 3 is a schematic view of the motor and its connecting structure in the utility model.

[0017] Figure 4 Fig. 4 is an exploded view of the motor and its connecting structure in the utility model.

[0018] In the figure: 1-bottom frame, 2- overall slide, 3- workpiece slide, 4- first slide rail, 5- second slide rail, 6- first motor, 7- first gear, 8- first rack, 9- second motor, 10- second gear, 11- second rack, 12- vertical plate, 13- cushion block, 14- connecting block. DETAILED DESCRIPTION

[0019] The specific embodiments of the present application will be further described below with reference to the accompanying drawings. It should be noted that the description of these embodiments is used to help understand the present application, but does not constitute a limitation on the present application. In addition, the technical features involved in each embodiment of the present application described below can be combined with each other as long as they do not conflict with each other.

[0020] It should be noted that in the description of the present application, the terms "upper", "lower", "left", "right", "front", "back" and the like indicate the orientation or positional relationship of the structure of the present application shown in the drawings, and are only for the convenience of describing the present application. Simple, and does not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application.

[0021] For "first" and "second" in the present technical solution, it is only a distinction for the same or similar structure, or the corresponding structure with similar function, not the arrangement of the importance of these structures, nor the order, or comparison, or other meanings.

[0022] In addition, unless otherwise specified and limited, the terms "mounting", "connection" should be broadly understood, for example, the connection can be fixed connection, or detachable connection, or integrally connected; can be mechanical connection, or electrical connection; can be directly connected, or indirectly connected through an intermediate medium; can be the communication inside two structures. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the overall idea of the present application in connection with the specific circumstances of the present solution. EMBODIMENT

[0023] A slide moving mechanism for automatic projection welding, as shown in Figures 1-4 It comprises a bottom frame 1, an overall slide 2 and a workpiece slide 3.

[0024] The bottom frame 1 is configured as a three-dimensional rectangular frame structure spliced from metal profiles, which is arranged horizontally and has a certain height dimension, and the bottom surface of the bottom frame 1 is usually also fixed with several supporting feet.

[0025] The top surface of the base frame 1 is fixed with first slide rails 4 along a first horizontal direction, and the first slide rails 4 are usually two and fixed on both sides of the base frame 1 along a second horizontal direction, wherein the first horizontal direction is perpendicular to the second horizontal direction, for example, the first horizontal direction is the length direction of the base frame 1.

[0026] The overall slide table 2 is configured as a planar rectangular frame structure spliced by metal profiles, which is also arranged in a horizontal manner, and the length direction of the overall slide table 2 is usually consistent with the first horizontal direction described above. Corresponding first slide blocks are mounted on the overall slide table 2 for cooperation with the first slide rails 4, so that the overall slide table 2 can move on the base frame 1 along the first horizontal direction.

[0027] The base frame 1 is provided with two welding stations (referred to as A station and B station) along the first horizontal direction thereof, and the overall slide table 2 is switched between the two welding stations by moving on the base frame 1. The first driving device is arranged between the overall slide table 2 and the base frame 1 for driving the overall slide table 2 to move between the two welding stations.

[0028] The workpiece slide table 3 is configured as a planar rectangular frame structure spliced by metal profiles, which is also arranged in a horizontal manner, and the workpiece slide table 3 is provided with a profiling plate for carrying and limiting the workpiece to be welded. The second slide rails 5 are fixed on the overall slide table 2 along a second horizontal direction (i.e. the width direction thereof), and the second slide rails 5 are usually two and fixed on both sides of the overall slide table 2 along the first horizontal direction. Corresponding second slide blocks are mounted on the workpiece slide table 3 for cooperation, so that the workpiece slide table 3 can move on the overall slide table 2 along the second horizontal direction. The second driving device is arranged between the workpiece slide table 3 and the overall slide table 2 for driving the workpiece slide table 3 to move.

[0029] In the embodiment, the first driving device and the second driving device have the same structure. The first driving device includes a first motor 6 fixed on the overall slide table 2, and a first gear 7 fixed on the motor shaft of the first motor 6. The base frame 1 is fixed with a first rack 8 arranged along the first horizontal direction. The second driving device includes a second motor 9 fixed on the workpiece slide table 3, and a second gear 10 fixed on the motor shaft of the second motor 9. The overall slide table 2 is fixed with a second rack 11 arranged along the second horizontal direction.

[0030] The first motor 6 and the second motor 9 are both servo motors, and usually have a drag chain. In addition, the first motor 6 and the second motor 9 are both configured with a connecting structure, so that the first motor 6 can be conveniently fixed on the overall slide table 2 and the second motor 9 can be conveniently fixed on the workpiece slide table 3.

[0031] In the embodiment, the connecting structure comprises the vertical plate 12, the cushion block 13 and the connecting block 14. The vertical plate 12 is in a flat plate structure, and a through hole is formed in the vertical plate 12, so that when the motor is fixed on the vertical plate 12, the motor shaft can pass through the through hole on the vertical plate 12. The cushion block 13 and the connecting block 14 are arranged on the side of the vertical plate 12 in sequence. The vertical plate 12, the cushion block 13 and the connecting block 14 are fixed and connected by screws, that is, screw holes are formed in the side of the vertical plate 12, and screw through holes are formed in the cushion block 13 and the connecting block 14. When the connecting structure is used, the vertical plate 12, the cushion block 13 and the connecting block 14 are fixed on the integral slide 2 or the workpiece slide 3 by screws. The cushion block 13 can also be made of elastic or flexible material.

[0032] The use process of the slide moving mechanism for automatic projection welding provided by the embodiment of the utility model is as follows:

[0033] Before use, the integral slide 2 and the workpiece slide 3 are in the initial position, when in use, the workpiece to be welded is placed in the profiling plate on the workpiece slide 3, then the first motor 6 drives the integral slide 2 to move to the A station, under the cooperation of the first motor 6 and the second motor 9, the workpiece to be welded can realize in-plane movement at the A station, so that the spot welding equipment at the A station welds the workpiece. After welding, the integral slide 2 and the workpiece slide 3 are reset to the initial position, then the welded workpiece is unloaded, and a new workpiece to be welded is loaded, then the first motor 6 drives the integral slide 2 to move to the B station, under the cooperation of the first motor 6 and the second motor 9, the workpiece to be welded can realize in-plane movement at the B station, so that the spot welding equipment at the B station welds the workpiece. In this way, the alternate work of the two stations can be realized.

[0034] The embodiments of the utility model are described in detail in combination with the drawings, but the utility model is not limited to the described embodiments. For those skilled in the art, various changes, modifications, replacements and modifications can be made to these embodiments without departing from the principles and spirits of the utility model, and still fall within the protection scope of the utility model.

Claims

1. A sliding table moving mechanism for automatic spot welding, characterized in that: The system includes a base frame, an integral slide table, and a workpiece slide table. Two welding stations are arranged on the base frame along a first horizontal direction. The integral slide table is slidably connected to the base frame along the first horizontal direction, and a first driving device is provided between the integral slide table and the base frame to move the integral slide table between the two welding stations. The workpiece slide table is slidably connected to the integral slide table along a second horizontal direction, and a second driving device is provided between the workpiece slide table and the integral slide table to move the workpiece slide table. The workpiece slide table is used to carry workpieces.

2. The slide table moving mechanism for automatic projection welding according to claim 1, characterized in that: A first slide rail arranged along a first horizontal direction is fixed on the bottom frame, and a first slider adapted to the first slide rail is fixed on the overall slide table; a second slide rail arranged along a second horizontal direction is fixed on the overall slide table, and a second slider adapted to the second slide rail is fixed on the workpiece slide table.

3. The slide table moving mechanism for automatic projection welding according to claim 1, characterized in that: The first driving device includes a first motor fixed on the integral slide, a first gear fixed on the motor shaft of the first motor, and a first rack arranged along the first horizontal direction fixed on the bottom frame; the second driving device includes a second motor fixed on the workpiece slide, a second gear fixed on the motor shaft of the second motor, and a second rack arranged along the second horizontal direction fixed on the integral slide.

4. The slide table moving mechanism for automatic projection welding according to claim 3, characterized in that: Both the first motor and the second motor are servo motors.

5. The slide table moving mechanism for automatic projection welding according to claim 3, characterized in that: Both the first motor and the second motor are equipped with a connection structure, which includes a vertical plate, a pad, and a connecting block arranged in sequence and fixed by screws. The vertical plate is used to fix the motor and has a through hole through which the motor shaft passes.

6. The slide table moving mechanism for automatic projection welding according to claim 5, characterized in that: The pad is made of an elastic or flexible material.

7. The slide table moving mechanism for automatic projection welding according to claim 1, characterized in that: The first horizontal direction is perpendicular to the second horizontal direction.

Images