Welding device for excavator grab bucket production

Abstract

The utility model discloses a welding device for excavator grab bucket production, and particularly relates to the technical field of grab bucket production, the welding device comprises a base and a welding head arranged in the base, a protective door is hinged on the base through a hinge, an observation window is embedded in the protective door, a clamping assembly capable of circumferentially rotating is arranged in the base, and the welding head is arranged on the base. A moving assembly is arranged in the base and comprises a moving block arranged in the base in a sliding mode, the moving block is arranged in the horizontal direction of the base in a sliding mode, the moving assembly further comprises a transverse plate, the transverse plate is arranged in the front-back direction of the base in a sliding mode, and the welding head is fixedly connected to the bottom of the transverse plate. The clamping angle of a steel plate can be adjusted more conveniently by arranging the rotatable clamping assembly, the welding head can be driven to move in the horizontal direction by utilizing the moving block capable of moving in the horizontal direction, and the welding head can be driven to move in the horizontal direction by utilizing the transverse plate capable of moving in the front-back direction. And the welding head can be more conveniently driven to move in the front-back direction.

Description

Technical Field

[0001] The utility model relates to the technical field of grab bucket production, in particular to a welding device for producing excavator grab buckets. Background Art

[0002] A bucket is a bucket-shaped component used to dig loose materials such as soil, sand, gravel and construction waste. It is composed of a base plate, wall panels, ear plates, ear plates, tooth plates, side plates, bucket teeth, side teeth and other parts. It is a working device often installed on excavators for excavation.

[0003] During the production process of existing excavator grabs, it may be necessary to weld different positions of the same steel plate. However, the welding head positions of most existing welding devices are relatively fixed. When welding is required at different positions, the steel plate needs to be removed and repositioned and clamped, which is inconvenient to use.

[0004] Therefore, we made improvements to this and proposed a welding device for excavator grab production. Utility Model Content

[0005] In order to solve the above technical problems, the present invention provides the following technical solutions:

[0006] The utility model discloses a welding device for producing excavator grab buckets, comprising a base and a welding head arranged inside the base, wherein a protective door is hinged on the base through a hinge, an observation window is embedded in the protective door, a clamping assembly that can rotate in a circle is arranged inside the base, a moving assembly is arranged inside the base, the moving assembly comprises a moving block that is slidably arranged inside the base, the moving block is slidably arranged in the horizontal direction of the base, the moving assembly also comprises a cross plate, the cross plate is slidably arranged in the front and rear directions of the base, and the welding head is fixedly connected to the bottom of the cross plate.

[0007] As an optimal technical solution of the present invention, a sliding groove is provided on both inner side walls of the base, and the bottom of the sliding groove is rotatably connected to a threaded rod through a bearing. The end of the threaded rod away from the bearing passes through the sliding groove and extends to the outside and is fixedly connected to the external motor. A mounting block is threadedly connected to the threaded rod, and the mounting block is slidably connected to the sliding groove. A sliding rod is fixedly connected to the sliding groove on the side away from the threaded rod, and the sliding rod is slidably connected to the mounting block on that side.

[0008] As a preferred technical solution of the present utility model, another external motor is fixedly connected to the mounting block, and the output shaft of the external motor is fixedly connected to a screw rod through a coupling. The end of the screw rod away from the external motor is rotatably connected to the mounting block on the other side through another bearing. The movable block is threadedly connected to the screw rod, and a limiting hole is provided on the movable block. A limiting rod is slidably connected to the limiting hole, and both ends of the limiting rod are fixedly connected to the mounting blocks on both sides.

[0009] As a preferred technical solution of the present invention, a sliding groove is provided at the bottom of the moving block, a sliding block is slidably connected in the sliding groove, and the sliding block is fixedly connected to the transverse plate.

[0010] As a preferred technical solution of the present invention, the horizontal plate is fixedly connected to a vertical plate, the moving block is fixedly connected to an electric push rod, and the output end of the electric push rod is fixedly connected to the vertical plate.

[0011] As an optimal technical solution of the present invention, the inner bottom surface of the base is fixedly connected to a rotating motor, the output shaft of the rotating motor is vertically upward and fixedly connected to a clamping plate, a mounting groove is provided on the clamping plate, a movable plate is slidably connected in the mounting groove, fixed plates are fixedly connected on both sides of the clamping plate, the movable plate is rotatably connected to an adjusting rod through another bearing, and the adjusting rod is threadedly connected to the fixed plate.

[0012] The beneficial effects of the present invention are as follows: in the present invention, by providing a rotatable clamping assembly, it is possible to more conveniently adjust the clamping angle of the steel plate; by utilizing a movable block that can move in the horizontal direction, the welding head can be driven to move in the horizontal direction; by utilizing a horizontal plate that moves in the front-to-back direction, it is possible to more conveniently drive the welding head to move in the front-to-back direction. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0014] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0015] Figure 2 This is a schematic diagram of the cross-sectional structure of the utility model;

[0016] Figure 3 This utility model Figure 2 A magnified schematic diagram of the structure of part A in the middle;

[0017] Figure 4 This utility model Figure 2Enlarged schematic diagram of the structure of part B in the middle.

[0018] In the figure: 1. Base; 2. Protective door; 3. Observation window; 4. Slide groove; 5. Threaded rod; 6. Mounting block; 7. Rotating motor; 8. Screw; 9. Moving block; 91. Limiting hole; 911. Limiting rod; 92. Sliding groove; 10. Clamping plate; 101. Mounting groove; 11. Vertical plate; 12. Horizontal plate; 121. Sliding block; 13. Electric push rod; 14. Welding head; 15. Moving plate; 16. Fixed plate; 17. Adjusting rod. DETAILED DESCRIPTION

[0019] The preferred embodiments of the present invention are described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described herein are only used to illustrate and explain the present invention and are not used to limit the present invention.

[0020] Example: Figures 1 to 4 As shown, the utility model of the welding device for the production of excavator grab bucket includes a base 1 and a welding head 14 arranged inside the base 1, a protective door 2 is hinged on the base 1, and an observation window 3 is embedded in the protective door 2. By setting the observation window 3, it is more convenient to observe the welding situation inside the base 1; a clamping assembly that can rotate in a circle is provided inside the base 1, and by setting a rotating clamping assembly, it is more convenient to adjust the welding angle; a moving assembly is provided inside the base 1, and the moving assembly includes a moving block 9 that is slidably set inside the base 1, and the moving block 9 is slidably set in the horizontal direction of the base 1, and the moving assembly also includes a cross plate 12, and the cross plate 12 is slidably set in the front and rear directions of the base 1, and the welding head 14 is fixedly connected to the bottom of the cross plate 12; by utilizing the welding head 14 that can move in the horizontal and front and rear directions, it is more convenient to weld different positions of the steel plate, thereby improving the welding efficiency.

[0021] Both inner sidewalls of the base 1 are provided with a chute 4. A threaded rod 5 is rotatably connected to the bottom of the chute 4 via a bearing. The end of the threaded rod 5, away from the bearing, extends through the chute 4 to the outside and is fixedly connected to the external motor. A mounting block 6 is threadedly connected to the threaded rod 5. The threaded connection between the threaded rod 5 and the mounting block 6 allows the mounting block 6 to move vertically through rotation of the threaded rod 5. The mounting block 6 is slidably connected to the chute 4. A sliding rod is fixedly connected to the chute 4 on the side away from the threaded rod 5 and is slidably connected to the mounting block 6 on that side. The sliding connection between the sliding rod and the mounting block 6 on the other side further limits and guides the movement path of the mounting block 6.

[0022] Another external motor is fixedly connected to the mounting block 6, and the output shaft of the external motor is fixedly connected to a screw rod 8 through a coupling. The end of the screw rod 8 away from the external motor is rotatably connected to the mounting block 6 on the other side through another bearing. The moving block 9 is threadedly connected to the screw rod 8. By utilizing the threaded connection between the moving block 9 and the screw rod 8, the rotation of the screw rod 8 can be used to drive the moving block 9 to move in the horizontal direction; a limiting hole 91 is provided on the moving block 9, and a limiting rod 911 is slidably connected in the limiting hole 91, and the two ends of the limiting rod 911 are respectively fixedly connected to the mounting blocks 6 on both sides; by utilizing the sliding connection between the limiting rod 911 and the limiting hole 91, the phenomenon of self-rotation when the moving block 9 moves in the horizontal direction can be further prevented.

[0023] A sliding groove 92 is provided at the bottom of the moving block 9, and a sliding block 121 is slidably connected in the sliding groove 92, and the sliding block 121 is fixedly connected to the horizontal plate 12; by utilizing the sliding connection between the sliding groove 92 and the sliding block 121, it is possible to more conveniently limit the moving path of the horizontal plate 12 to prevent deviation.

[0024] The horizontal plate 12 is fixedly connected to the vertical plate 11. The vertical plate 11 fixedly connected to the horizontal plate 12 can make it easier to install the electric push rod 13. The moving block 9 is fixedly connected to the electric push rod 13, and the output end of the electric push rod 13 is fixedly connected to the vertical plate 11. The electric push rod 13 is set up to make it easier to drive the welding head 14 to move in the front and rear directions.

[0025] A rotating motor 7 is fixedly connected to the inner bottom surface of the base 1, and the output shaft of the rotating motor 7 is vertically upward and fixedly connected to the clamping plate 10. By fixing the clamping plate 10 to the rotating motor 7, the welding angle of the steel plate can be adjusted more conveniently; a mounting groove 101 is provided on the clamping plate 10, and a movable plate 15 is slidably connected in the mounting groove 101. Fixed plates 16 are fixedly connected on both sides of the clamping plate 10, and the movable plate 15 is rotatably connected to an adjusting rod 17 through another bearing, and the adjusting rod 17 is threadedly connected to the fixed plate 16; by screwing the adjusting rod 17, the movable plate 15 can be driven to move in the horizontal direction by the threaded connection between the adjusting rod 17 and the fixed plate 16.

[0026] During operation, when steel plates need to be welded for the production of grab buckets, the steel plates to be welded are first placed on the clamping plate 10, and then the adjusting rod 17 is screwed to adjust the position of the movable plate 15 to fix and clamp the steel plates; then the movable block 9 that moves in the horizontal direction is used to adjust the position of the welding head 14 in the horizontal direction, and then the electric push rod 13 is used to drive the cross plate 12 to move in the front and rear directions to adjust the position of the welding head 14 in the front and rear directions.

[0027] Finally, it should be noted that the above description is merely a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art will be able to modify the technical solutions described in the aforementioned embodiments or replace some of the technical features therein with equivalents. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included within the scope of protection of the present invention.

Claims

1. A welding device for producing an excavator grab bucket, comprising a base (1) and a welding head (14) arranged inside the base (1), characterized in that: A protective door (2) is hingedly connected to the base (1), and an observation window (3) is embedded in the protective door (2). A circumferentially rotatable clamping assembly is provided inside the base (1). A moving assembly is provided inside the base (1), and the moving assembly includes a moving block (9) slidably provided inside the base (1). The moving block (9) is slidably provided in the horizontal direction of the base (1). The moving assembly also includes a transverse plate (12), and the transverse plate (12) is slidably provided in the front-rear direction of the base (1). The welding head (14) is fixedly connected to the bottom of the transverse plate (12).

2. The welding device for producing excavator grab buckets according to claim 1, characterized in that: A slide groove (4) is provided on both inner side walls of the base (1), and a threaded rod (5) is rotatably connected to the bottom of the slide groove (4) through a bearing. The end of the threaded rod (5) away from the bearing passes through the slide groove (4) and extends to the outside thereof and is fixedly connected to the external motor. A mounting block (6) is threadedly connected to the threaded rod (5), and the mounting block (6) is slidably connected to the slide groove (4). A sliding rod is fixedly connected to the slide groove (4) on the side away from the threaded rod (5), and the sliding rod is slidably connected to the mounting block (6) on that side.

3. The welding device for producing excavator grab buckets according to claim 2, characterized in that: Another external motor is fixedly connected to the mounting block (6), and the output shaft of the external motor is fixedly connected to a screw rod (8) via a coupling. One end of the screw rod (8) away from the external motor is rotatably connected to the mounting block (6) on the other side via another bearing. The moving block (9) is threadedly connected to the screw rod (8). A limiting hole (91) is provided on the moving block (9), and a limiting rod (911) is slidably connected in the limiting hole (91). The two ends of the limiting rod (911) are respectively fixedly connected to the mounting blocks (6) on both sides.

4. The welding device for producing excavator grab buckets according to claim 1, characterized in that: A sliding groove (92) is provided at the bottom of the moving block (9), a sliding block (121) is slidably connected in the sliding groove (92), and the sliding block (121) is fixedly connected to the transverse plate (12).

5. The welding device for producing excavator grab buckets according to claim 4, characterized in that: The horizontal plate (12) is fixedly connected to a vertical plate (11), the moving block (9) is fixedly connected to an electric push rod (13), and the output end of the electric push rod (13) is fixedly connected to the vertical plate (11).

6. The welding device for producing excavator grab buckets according to claim 1, characterized in that: The inner bottom surface of the base (1) is fixedly connected to a rotating motor (7), the output shaft of the rotating motor (7) is vertically upward and fixedly connected to a clamping plate (10), the clamping plate (10) is provided with a mounting groove (101), a movable plate (15) is slidably connected in the mounting groove (101), fixed plates (16) are fixedly connected to both sides of the clamping plate (10), the movable plate (15) is rotatably connected to an adjusting rod (17) through another bearing, and the adjusting rod (17) is threadedly connected to the fixed plate (16).

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