Spot welding platform capable of rapidly replacing clamp

Abstract

The utility model discloses a spot welding platform capable of quickly replacing a clamp, which comprises a mounting frame, a robot mounting seat is arranged on the mounting frame, and a plurality of clamp mounting units are arranged on the mounting frame and are detachably matched with a movable spot welding clamp. The clamp installation unit comprises a main fixing base and an auxiliary fixing base, fixing grooves are formed in the main fixing base and the auxiliary fixing base, and rotating locking sleeve pieces are installed on the fixing grooves. The spot welding clamp is correspondingly provided with a main positioning connecting plate and an auxiliary positioning connecting plate and is fixedly connected with the main fixing base and the auxiliary fixing base through rotating locking sleeve pieces. Installation can be completed only by manually pushing the welding clamp to a designated position to fixedly connect the main positioning connecting plate and the auxiliary positioning connecting plate with the main fixing base and the auxiliary fixing base, and compared with a traditional crane hoisting, forklift and other clamp replacement mode, the time is shortened by about 70%. And meanwhile, a plurality of clamp mounting units are arranged on the mounting frame, a plurality of welding clamps can be arranged at the same time for welding machining, and the welding machining efficiency is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of welding, and particularly relates to a spot welding platform with a fixture that can be quickly replaced. Background Art

[0002] At present, large-scale welding is carried out by robots. When the existing spot welding equipment is welding, corresponding spot welding fixtures need to be replaced according to different products. When replacing the fixture, it is necessary to stop work for processing, which affects the welding efficiency. At the same time, due to the large weight of the spot welding fixture, a hoist is required to lift it to the designated position and then manually assist in positioning, and then it is fixed and installed by pins. However, due to the high precision requirements for installation, it is difficult to fix the pins manually. Therefore, the problem of replacing large-scale spot welding fixtures needs to be solved urgently, so as to improve the welding efficiency. Content of the Utility Model

[0003] Aiming at the above deficiencies, the purpose of the utility model is to provide a spot welding platform with a fixture that can be quickly replaced, which solves the problem of difficult fixture replacement in the prior art.

[0004] To achieve the above purpose, the technical solution provided by the utility model is as follows:

[0005] A spot welding platform with a fixture that can be quickly replaced includes a mounting frame. A robot mounting seat is provided on the mounting frame, and a plurality of fixture mounting units are provided on the mounting frame and are detachably matched with a movable spot welding fixture. The fixture mounting unit includes a main fixing seat and a secondary fixing seat, and fixing grooves are formed on both the main fixing seat and the secondary fixing seat, and a rotating locking kit is installed on the fixing grooves. The main positioning connecting plate and the secondary positioning connecting plate are correspondingly provided on the spot welding fixture and are fixedly connected to the main fixing seat and the secondary fixing seat through the rotating locking kit.

[0006] With the above structural design, the mounting unit provided on the mounting frame includes a main fixing seat and a secondary fixing seat, which are fixedly connected to the main positioning connecting plate and the secondary positioning connecting plate of the movable spot welding fixture. It only needs to manually push the welding fixture to the designated position for docking and fixing, which is more convenient for disassembly and assembly. At the same time, a plurality of fixture mounting units are provided on the mounting frame, and a plurality of welding fixtures can be set at the same time for welding processing. When replacing the welding fixture, it is not necessary to stop the welding robot, which improves the efficiency of welding processing.

[0007] Preferably, the fixture mounting unit includes a mounting plate, the mounting plate is fixedly installed on the mounting frame, and the main fixing seat and the secondary fixing seat are respectively fixedly installed at both ends of the mounting plate.

[0008] With the above structural design, the main fixing seat and the auxiliary fixing seat are integrally and fixedly installed on the mounting plate, which is convenient for the installation of each fixture installation unit. At the same time, the main fixing seat and the auxiliary fixing seat are fixed according to the connection positions of the spot welding fixture, improving the position accuracy after installation.

[0009] Preferably, docking grooves are provided at the upper ends of the main positioning connecting plate and the auxiliary positioning connecting plate corresponding to the fixing grooves. The fixing grooves and the docking grooves are aligned, and the rotation locking kit is rotatably installed in the docking grooves to fix the main fixing seat and the main positioning connecting plate, and to fix the auxiliary fixing seat and the auxiliary positioning connecting plate.

[0010] With the above structural design, the fixture installation unit and the spot welding fixture can be fixed by rotating the rotation locking kit, and thus the installation and disassembly are more convenient.

[0011] Preferably, a pre-positioning plate is provided on the main fixing seat, and a pre-positioning groove is opened downward at the upper end of the pre-positioning. A pre-positioning block is provided on the main positioning connecting plate, and the pre-positioning block can be snap-fitted into the pre-positioning groove.

[0012] With the above structural design, after the pre-positioning groove provided on the main fixing seat and the pre-positioning groove provided on the main positioning connecting plate are docked, it can play a role of pre-positioning when installing the spot welding fixture, further improving the installation accuracy and convenience.

[0013] Preferably, the front end of the pre-positioning plate is flush with the front end of the auxiliary fixing seat in the vertical direction.

[0014] Preferably, the rotation locking kit includes a screw rod and a locking nut, and one end of the screw rod is rotatably installed on the main fixing seat and the auxiliary fixing seat.

[0015] Preferably, the spot welding fixture further includes a fixture body, and rollers for facilitating movement are provided below the fixture body. The main positioning connecting plate and the auxiliary positioning connecting plate are respectively fixed to the front end of the fixture body.

[0016] Preferably, 6 groups of fixture installation units and 2 groups of robot mounting seats are provided on the mounting frame.

[0017] Compared with the prior art, the beneficial effects of the present utility model are:

[0018] 1. The installation unit of the present utility model is fixedly connected to the main positioning connecting plate and the secondary positioning connecting plate of the movable spot welding fixture through the main fixing seat and the secondary fixing seat. It only needs to push the welding fixture to the designated position for docking and fixing manually, which is more convenient for disassembly and assembly. Compared with the traditional methods of replacing fixtures such as hoisting with a traveling crane and forklift, the time is shortened by about 70%. At the same time, multiple fixture installation units are provided on the installation frame, and multiple welding fixtures can be set simultaneously for welding processing. When replacing the welding fixture, the welding robot does not need to stop, which improves the efficiency of welding processing;

[0019] 2. After docking through the pre-positioning groove provided on the main fixing seat and the pre-positioning groove provided on the main positioning connecting plate, the present utility model can play a role of pre-positioning when installing the spot welding fixture, further improving the accuracy and convenience of installation. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] The drawings are used to provide a further understanding of the present utility model and constitute a part of the specification. Together with the following specific embodiments, they are used to explain the present utility model, but do not constitute a limitation to the present utility model. In the drawings:

[0021] Figure 1 is a schematic structural diagram of the present utility model after the spot welding fixture is installed;

[0022] Figure 2 is Figure 1 an enlarged view of part A in;

[0023] Figure 3 is a schematic structural diagram of the spot welding fixture and the installation frame of the present utility model after being opened.

[0024] In the figure:

[0025] Installation frame 1, fixture installation unit 2, main fixing seat 2a, secondary fixing seat 2b, fixing groove 2c, rotating locking kit 2d, screw 21d, locking nut 22d, mounting plate 2e, pre-positioning plate 2f, pre-positioning groove 2g, spot welding fixture 3, main positioning connecting plate 3a, secondary positioning connecting plate 3b, docking groove 3c, pre-positioning block 3d, fixture body 3e, roller 3f, robot mounting seat 4. SPECIFIC EMBODIMENTS

[0026] In order to describe in detail the technical content, structural features, achieved purposes and effects of the present utility model, the following is described in detail in conjunction with the embodiments and with reference to the drawings.

[0027] The technical solution of the present utility model will be clearly and completely described below in conjunction with the accompanying drawings. Obviously, the described embodiments are part of the embodiments of the present utility model, rather than all of them. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative work belong to the scope of protection of the present utility model. In the description of the present utility model, it should be noted that the orientation or positional relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside", etc. is based on the orientation or positional relationship shown in the accompanying drawings, and is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the present utility model.

[0028] Please refer to Figures 1 to 3 , a spot welding platform with a quickly replaceable fixture, including a mounting frame 1. A robot mounting seat 4 is provided on the mounting frame 1 for mounting a welding robot, and a plurality of fixture mounting units 2 are provided on the mounting frame 1 and are detachably matched with a mobile spot welding fixture 3. In this embodiment, 6 groups of fixture mounting units 2 and 2 groups of robot mounting seats 4 are provided on the mounting frame 1, so that 6 groups of spot welding fixtures 3 can be assembled for welding at the same time, with relatively high welding efficiency, and there is no need to stop the machine for replacement when replacing the spot welding fixture 3.

[0029] Specifically, the fixture mounting unit 2 includes a main fixing seat 2a and a sub-fixing seat 2b, and fixing grooves 2c are provided on both the main fixing seat 2a and the sub-fixing seat 2b, and a rotating locking kit 2d is installed on the fixing groove 2c. Corresponding main positioning connecting plates 3a and sub-positioning connecting plates 3b are provided on the spot welding fixture 3 and are fixedly connected to the main fixing seat 2a and the sub-fixing seat 2b through the rotating locking kit 2d. The fixture mounting unit 2 includes a mounting plate 2e, and the mounting plate 2e is fixedly installed on the mounting frame 1, and the main fixing seat 2a and the sub-fixing seat 2b are respectively fixedly installed at both ends of the mounting plate 2e, and the spacing distance between the main fixing seat 2a and the sub-fixing seat 2b is the same as the spacing between the main positioning connecting plate 3a and the sub-positioning connecting plate 3b, ensuring convenience during installation.

[0030] Please continue to refer to Figure 2 and Figure 3 , docking grooves 3c are provided at the upper ends of the main positioning connecting plate 3a and the sub-positioning connecting plate 3b corresponding to the fixing grooves 2c. The fixing grooves 2c and the docking grooves 3c are aligned, and the rotating locking kit 2d is rotatably installed in the docking grooves 3c to fix the main fixing seat 2a and the main positioning connecting plate 3a, and to fix the sub-fixing seat 2b and the sub-positioning connecting plate 3b. Among them, the rotating locking kit 2d includes a screw rod 21d and a locking nut 22d, and one end of the screw rod 21d is rotatably installed on the main fixing seat 2a and the sub-fixing seat 2b.

[0031] Further, a pre-positioning plate 2f is provided on the main fixing seat 2a. A pre-positioning groove 2g is formed downward at the upper end of the pre-positioning plate 2f. A pre-positioning block 3d is provided on the main positioning connecting plate 3a. The pre-positioning block 3d can be clamped and installed in the pre-positioning groove 2g. In this embodiment, the front end of the pre-positioning plate 2f is flush with the front end of the auxiliary fixing seat 2b in the vertical direction.

[0032] The spot welding jig 3 further includes a jig body 3e, and rollers 3f for facilitating movement are provided below the jig body 3e. Therefore, when installing the spot welding jig 3, it only needs to be moved to the installation position for installation, without the need for hoisting by a traveling crane, and the movement is more convenient. And when a small distance movement is required at the installation position, it is more flexible and convenient. The main positioning connecting plate 3a and the auxiliary positioning connecting plate 3b are respectively fixed to the front end of the jig body 3e.

[0033] The working principle of the present utility model is as follows:

[0034] When it is necessary to replace the spot welding jig 3, only need to manually push the spot welding jig 3 to the jig installation unit 2 where it needs to be installed, and then move the main positioning connecting plate 3a and the auxiliary positioning connecting plate 3b at the front end of the spot welding jig 3 to the front ends of the main fixing seat 2a and the auxiliary fixing seat 2b. Then continue to move to clamp the pre-positioning block 3d on the main positioning connecting plate 3a in the pre-positioning groove 2g of the main fixing seat 2a to realize the pre-positioning of the spot welding jig 3. Then continue to move to align the main fixing seat 2a and the auxiliary fixing seat 2b with the main positioning connecting plate 3a and the auxiliary positioning connecting plate 3b respectively. At this time, the fixing groove 2c and the docking groove 3c are at the same horizontal position. Then rotate the screw 21d manually into the fixing groove 2c and the docking groove 3c, and then rotate the locking nut 22d to fix it, that is, the installation of the spot welding jig 3 is completed. Compared with the prior art that uses a traveling crane for hoisting, it is more convenient. Only by manually moving the spot welding jig 3 can the installation be quickly completed, improving the installation efficiency. Compared with the traditional jig replacement methods such as traveling crane hoisting and forklift, the time is shortened by about 70%.

[0035] According to the disclosure and teaching of the above specification, those skilled in the art of the present utility model can also make changes and modifications to the above embodiments. Therefore, the present utility model is not limited to the specific embodiments disclosed and described above. Some modifications and changes to the present utility model should also fall within the protection scope of the claims of the present utility model. In addition, although some specific terms are used in this specification, these terms are only for convenience of description and do not constitute any limitation to the present utility model. Other devices using the same or similar ones are all within the protection scope of the present utility model.

Claims

1. A spot welding platform capable of quickly replacing fixtures, characterized in that: The invention comprises a mounting frame (1), wherein a robot mounting seat (4) is provided on the mounting frame (1), and a plurality of fixture mounting units (2) are provided on the mounting frame (1) and are detachably matched with a mobile spot welding fixture (3), wherein the fixture mounting unit (2) comprises a main fixing seat (2a) and a secondary fixing seat (2b), and the main fixing seat (2a) and the secondary fixing seat (2b) are both provided with fixing grooves (2c), and the fixing grooves (2c) are provided with rotation locking kits (2d), and the spot welding fixture (3) is correspondingly provided with a main positioning connecting plate (3a) and a secondary positioning connecting plate (3b) and is fixedly connected to the main fixing seat (2a) and the secondary fixing seat (2b) via the rotation locking kit (2d).

2. A spot welding platform with a quick-change fixture as claimed in claim 1, characterized in that: The clamp installation unit (2) comprises a mounting plate (2e), the mounting plate (2e) is fixedly mounted on the mounting frame (1), and the main fixing seat (2a) and the auxiliary fixing seat (2b) are respectively fixedly mounted on two ends of the mounting plate (2e).

3. A spot welding platform with a fast-changeable fixture as claimed in claim 1 or 2, characterized in that: The upper ends of the main positioning connecting plate (3a) and the auxiliary positioning connecting plate (3b) are provided with docking grooves (3c) corresponding to the fixing grooves (2c), the fixing grooves (2c) and the docking grooves (3c) are aligned, and the rotating locking kit (2d) is rotatably installed in the docking grooves (3c) to fix the main fixing seat (2a) and the main positioning connecting plate (3a), and to fix the auxiliary fixing seat (2b) and the auxiliary positioning connecting plate (3b).

4. A spot welding platform with a fast-changeable fixture as claimed in claim 1, characterized in that: The main fixing seat (2a) is provided with a pre-positioning plate (2f), the upper end of the pre-positioning plate (2f) is provided with a pre-positioning groove (2g) downwardly, and the main positioning connecting plate (3a) is provided with a pre-positioning block (3d), and the pre-positioning block (3d) can be clamped and installed in the pre-positioning groove (2g).

5. A spot welding platform with a fast-changeable fixture as claimed in claim 4, characterized in that: The pre-positioning plate (2f) is flush with the front end of the auxiliary fixing seat (2b) in the vertical direction.

6. A spot welding platform with a fast-changeable fixture as claimed in claim 1, characterized in that: The rotation locking kit (2d) comprises a screw rod (21d) and a locking nut (22d), and one end of the screw rod (21d) is rotatably mounted on the main fixing seat (2a) and the auxiliary fixing seat (2b).

7. A spot welding platform with a fast-changeable fixture as claimed in claim 1, characterized in that: The spot welding fixture (3) also includes a fixture body (3e), and a roller (3f) for easy movement is provided below the fixture body (3e), and the main positioning connecting plate (3a) and the auxiliary positioning connecting plate (3b) are respectively fixed to the front end of the fixture body (3e).

8. A spot welding platform with a fast-changeable fixture as claimed in claim 1, characterized in that: The mounting frame (1) is provided with 6 groups of fixture mounting units (2) and 2 groups of robot mounting seats (4).

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