Robot welding device for automobile door guide rail

Abstract

The utility model discloses a robot welding device for an automobile door guide rail, which comprises a working base, a pulley sliding rail is arranged at the upper end of the working base, a clamp platform is arranged on the upper side of the pulley sliding rail in a sliding mode, at least two clamping stations are arranged at the upper end of the clamp platform, and each clamping station comprises a guide rail support piece clamp and a guide rail end clamp. A guide rail middle clamp is arranged between the guide rail support piece clamp and the guide rail end clamp, the guide rail support piece clamp comprises a horizontally-arranged horizontal sliding plate, the horizontal sliding plate is driven by a first air cylinder on one side to move, a second air cylinder is installed at the upper end of the horizontal sliding plate, and a guide rail support piece positioning block is arranged at the extending end of the second air cylinder. A guide rail end positioning air cylinder is installed on the side, away from the guide rail end clamp, of the horizontal sliding plate, and a limiting ejector block is installed at the extending end of the guide rail end positioning air cylinder. The problems that existing manual welding is low in efficiency and high in cost, and a tool can not be used universally can be solved.

Description

Technical Field

[0001] The utility model relates to the technical field of automobile door guide rail production, in particular to a robot welding device for automobile door guide rails. Background Art

[0002] The door guide rail is a kind of automobile component with large output. During the production process, the mounting bracket of the guide rail needs to be welded and fixed to the corresponding position on the guide rail. Due to the large amount of welding, the current practice is to design special tooling to fix the guide rail. The tooling is not universal, and then the welding is done manually. There are many types of guide rails, resulting in high overall costs and low welding efficiency. In addition, the number of tooling cannot be increased as needed to meet large-scale welding needs. Utility Model Content

[0003] The utility model provides a robot welding device for automobile door guide rails, which can solve the problems of low efficiency, high cost and non-universal use of tooling in existing manual welding.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a robot welding device for a car door guide rail, comprising: a working base, a pulley rail is arranged at the upper end of the working base, a fixture platform is slidably arranged on the upper side of the pulley rail, platform clamping devices are installed on both sides of the working base, at least two clamping stations are arranged at the upper end of the fixture platform, the clamping stations include a guide rail bracket piece clamp and a guide rail end clamp, a guide rail middle clamp is arranged between the guide rail bracket piece clamp and the guide rail end clamp, the guide rail bracket piece clamp includes a horizontal sliding plate arranged laterally, the horizontal sliding plate is driven to move by a first cylinder on one side, a second cylinder is installed at the upper end of the horizontal sliding plate, a guide rail bracket piece positioning block is arranged at the protruding end of the second cylinder, a guide rail end positioning cylinder is installed on the side of the horizontal sliding plate away from the guide rail end clamp, a limited top block is installed at the protruding end of the guide rail end positioning cylinder, and a welding robot that can move over a large range is arranged above the fixture platform.

[0005] Preferably, the guide rail end clamp and the guide rail middle clamp both include a clamping cylinder and a guide rail support seat arranged on one side of the clamping cylinder.

[0006] Preferably, an end limit block is installed on the side of the guide rail end clamp away from the guide rail bracket piece clamp.

[0007] Preferably, a guide rail bracket piece positioning groove and a bracket piece plug column located in the guide rail bracket piece positioning groove are provided on a side wall of the guide rail bracket piece positioning block facing the first cylinder.

[0008] Preferably, a plurality of platform positioning columns for limiting the position of the fixture platform are arranged on the side of the working base.

[0009] Preferably, safety gratings are symmetrically arranged on both sides of the working base.

[0010] Compared with the prior art, the beneficial effects of the utility model are:

[0011] The fixture assembly consisting of a working base and a sliding fixture platform can be used as a fixture unit and placed side by side. One or more welding robots can perform welding operations on multiple fixture units. The sliding fixture platform facilitates the picking up and placement of product parts. The guide rail bracket piece fixture, the guide rail end fixture and the guide rail middle fixture can realize the fast and accurate positioning of the door guide rails and the guide rail bracket pieces, greatly improving the production efficiency. By adjusting the structure of the guide rail bracket piece fixture, the guide rail end fixture and the guide rail middle fixture, it can adapt to door guide rails of different specifications. It has good versatility and solves various problems in the prior art. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a three-dimensional structural diagram of the overall use state of the utility model;

[0013] Figure 2 This is a three-dimensional structural diagram of the utility model from the first perspective;

[0014] Figure 3 This is a second perspective three-dimensional structural diagram of the utility model;

[0015] Figure 4 for Figure 3 A magnified structural diagram;

[0016] Figure 5 for Figure 3 The enlarged structure diagram at B;

[0017] Figure 6 It is a combined schematic diagram of the use state of the utility model.

[0018] Reference numerals:

[0019] 1. Working base, 2. Pulley rail, 3. Fixture platform, 4. Platform clamping device, 5. Safety grating, 6. Welding robot, 7. Guide rail end fixture, 71. Clamping cylinder, 72. End limit block, 73. Guide rail support seat, 8. Guide rail bracket piece fixture, 81. Guide rail end positioning cylinder, 82. Limiting top block, 83. Guide rail bracket piece positioning block, 84. Second cylinder, 85. Horizontal sliding plate, 86. First cylinder, 9. Platform positioning column, 10. Guide rail middle fixture, C. Guide rail bracket piece. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0021] The utility model aims to solve the problems of low efficiency, high cost and incompatibility of tooling in existing manual welding. Figure 1-6 As shown, the following technical solution is provided: a robot welding device for a car door guide rail, comprising: a working base 1, a pulley rail 2 is arranged on the upper end of the working base 1, a fixture platform 3 is slidably arranged on the upper side of the pulley rail 2, platform clamping devices 4 are installed on both sides of the working base 1, at least two clamping stations are arranged on the upper end of the fixture platform 3, the clamping stations include a guide rail bracket piece clamp 8 and a guide rail end clamp 7, a guide rail middle clamp 10 is arranged between the guide rail bracket piece clamp 8 and the guide rail end clamp 7, the guide rail bracket piece clamp 8 includes a horizontally arranged water The horizontal sliding plate 85 is driven by a first cylinder 86 on one side to move, a second cylinder 84 is installed on the upper end of the horizontal sliding plate 85, a guide rail bracket piece positioning block 83 is provided at the protruding end of the second cylinder 84, a guide rail end positioning cylinder 81 is installed on the side of the horizontal sliding plate 85 away from the guide rail end clamp 7, a limiting top block 82 is installed at the protruding end of the guide rail end positioning cylinder 81, a welding robot 6 that can move over a large range is arranged above the clamp platform 3, and for safety, safety gratings 5 ​​are symmetrically arranged on both sides of the working base 1.

[0022] Among them, as shown in the figure, the volume of the working base 1 is not large, and two or three clamping stations can be set at its upper end. The working base 1 and the fixture platform 3 can form a welding fixture unit. Multiple welding fixture units can be arranged side by side, and the welding robot 6 can be arranged on one side of the multiple welding fixture units to perform welding operations on multiple welding fixture units at the same time.

[0023] Each clamping station includes a guide rail bracket piece clamp 8, a guide rail end clamp 7 and a guide rail middle clamp 10. The guide rail bracket piece clamp 8 can support the door guide rail through the limiting top block 82, and can also position the guide rail bracket piece C through the guide rail bracket piece positioning block 83, so that the relative position between the guide rail bracket piece C and the door guide rail can be accurately positioned. The guide rail end clamp 7 and the guide rail middle clamp 10 can use conventional pneumatic clamps to clamp the door guide rail.

[0024] like Figure 5As shown, the guide rail end clamp 7 and the guide rail middle clamp 10 both include a clamping cylinder 71 and a guide rail support seat 73 arranged on one side of the clamping cylinder 71; the guide rail end clamp 7 is installed with an end limit block 72 on the side away from the guide rail bracket plate clamp 8, and during installation, the door guide rail can be placed on the guide rail support seat 73 on the guide rail end clamp 7 and the guide rail middle clamp 10, and at the same time, one end of the door guide rail is against the end limit block 72, and the other end of the door guide rail is clamped and limited by the guide rail end positioning cylinder 81 and the limit top block 82.

[0025] In this embodiment, a guide rail bracket piece positioning groove and a bracket piece insertion column 87 located in the guide rail bracket piece positioning groove are provided on the side wall of the guide rail bracket piece positioning block 83 facing the first cylinder 86. The guide rail bracket piece positioning groove and the bracket piece insertion column 87 can be used to quickly position the guide rail bracket piece.

[0026] In this embodiment, if Figure 1-3 As shown, a plurality of platform positioning columns 9 for limiting the position of the fixture platform 3 are arranged on the side of the working base 1 , and the platform positioning columns 9 can limit the movement of the fixture platform 3 .

[0027] It should be noted that all directional indications (such as up, down, left, right, front, back, etc.) in the embodiments of the present invention are only used to explain the relative position relationship, movement status, etc. between the components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.

[0028] In addition, in the present invention, the descriptions of "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" or "second" may explicitly or implicitly include at least one of the features. In the description of the present invention, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0029] In the present invention, unless otherwise clearly specified and limited, the terms "connection", "fixation", etc. should be understood in a broad sense. For example, "fixation" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0030] In addition, the technical solutions between the various embodiments of the present invention can be combined with each other, but it must be based on the fact that ordinary technicians in the field can implement it. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such combination of technical solutions does not exist and is not within the scope of protection required by the present invention.

Claims

1. A robot welding device for automobile door guide rails, comprising: The working base (1) is characterized in that a pulley rail (2) is provided at the upper end of the working base (1), a clamping platform (3) is slidably provided on the upper side of the pulley rail (2), platform clamping devices (4) are installed on both sides of the working base (1), at least two clamping stations are provided at the upper end of the clamping platform (3), the clamping stations include a guide rail bracket piece clamp (8) and a guide rail end clamp (7), a guide rail middle clamp (10) is provided between the guide rail bracket piece clamp (8) and the guide rail end clamp (7), and the guide rail bracket piece clamp (8) includes a laterally arranged A horizontal sliding plate (85), the horizontal sliding plate (85) is driven to move by a first cylinder (86) on one side, a second cylinder (84) is installed on the upper end of the horizontal sliding plate (85), a guide rail bracket piece positioning block (83) is provided at the protruding end of the second cylinder (84), a guide rail end positioning cylinder (81) is installed on the side of the horizontal sliding plate (85) away from the guide rail end clamp (7), a limit top block (82) is installed at the protruding end of the guide rail end positioning cylinder (81), and a welding robot (6) that can move over a large range is provided above the clamp platform (3).

2. The robot welding device for automobile door guide rails according to claim 1, characterized in that: The guide rail end clamp (7) and the guide rail middle clamp (10) both comprise a clamping cylinder (71) and a guide rail support seat (73) arranged on one side of the clamping cylinder (71).

3. The robot welding device for automobile door guide rails according to claim 2, characterized in that: An end stop block (72) is installed on the side of the guide rail end clamp (7) away from the guide rail bracket piece clamp (8).

4. The robot welding device for automobile door guide rails according to claim 1, characterized in that: A guide rail support piece positioning groove and a support piece inserting column (87) located in the guide rail support piece positioning groove are arranged on a side wall of the guide rail support piece positioning block (83) facing the first cylinder (86).

5. The robot welding device for automobile door guide rails according to claim 1, characterized in that: A plurality of platform positioning columns (9) for limiting the position of the fixture platform (3) are arranged on the side of the working base (1).

6. The robot welding device for automobile door guide rails according to claim 1, characterized in that: Safety gratings (5) are symmetrically arranged on both sides of the working base (1).

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