Bucket assembly tooling for construction machinery

Abstract

This utility model provides a bucket assembly fixture for engineering machinery, relating to the field of engineering machinery technology. The utility model includes a limiting fixture with a symmetrically sliding limiting support frame installed on its inner wall. By incorporating a cleaning device, during the welding process, the dust collection hood can be adjusted upwards or downwards to a certain height according to the actual welding position. Then, a fan is activated to draw air into the conveying pipe frame, creating a negative pressure inside the dust collection hood to absorb welding slag. The slag is then transported through the conveying pipe frame to the fan outlet and finally collected in a collection mechanism for later unified cleaning. This ensures the cleanliness of the welded area to guarantee subsequent processing accuracy, eliminates additional cleaning procedures, reduces operating costs and time, and minimizes the safety hazard of slag spillage, thereby improving the overall efficiency and safety of bucket assembly.

Description

Technical Field

[0001] This utility model relates to the field of engineering machinery technology, and in particular to bucket assembly fixtures for engineering machinery. Background Technology

[0002] Bucket assembly fixtures are special tools or equipment used in the process of assembling excavator buckets, mainly to ensure that the various parts of the bucket can be assembled accurately and quickly.

[0003] During the welding process of construction machinery buckets, the bucket needs to be fixed by a limiting fixture to ensure welding accuracy. The conventional method is to invert the bucket onto the upper outer surface of two limiting support frames, then start the motor to drive the lead screw to rotate, which in turn drives the two limiting support frames to slide to both ends in the inner wall of the limiting fixture, thus firmly supporting and fixing the inner wall of the bucket. This is then combined with the robotic arm to complete the welding operation. However, the welding slag generated during the welding process is easily scattered on the surface of the bucket, the gaps in the limiting fixture, and the working environment. This not only affects the cleanliness of the welded part and the subsequent processing accuracy, but also requires additional cleaning procedures, increasing operating costs and time. Utility Model Content

[0004] The technical problem this utility model aims to solve is that welding slag generated during the welding process is easily scattered on the surface of the bucket, the gaps of the limiting tooling, and the working environment. This not only affects the cleanliness of the welded part and the accuracy of subsequent processing, but also requires additional cleaning procedures, increasing operating costs and time.

[0005] The technical solution adopted by this utility model to solve its technical problem is: a bucket assembly fixture for engineering machinery, including a limiting fixture. The inner wall of the limiting fixture is symmetrically and slidably equipped with a limiting support frame. A lead screw is installed through the inner wall of the limiting fixture, wherein the threads at both ends of the lead screw are in opposite directions, and the outer surfaces of both ends are respectively threaded to one end of the inner wall of two limiting support blocks. A motor is fixedly installed on one side of the limiting fixture, wherein the output end of the motor is fixedly installed on one side of the lead screw by means of a coupling. A cleaning device is provided on one side of the limiting fixture. The cleaning device can draw air into the interior of the conveying pipe frame by starting a fan, so that the interior of its dust collection hood forms a negative pressure to adsorb the welding slag during the welding process into the collection mechanism for collection, thereby ensuring the cleanliness of the welding part and not affecting the subsequent processing accuracy.

[0006] Preferably, the cleaning device includes a fan and two dust collection hoods, wherein the outer surface of the fan is fixedly mounted on one side of the limiting fixture; a conveying pipe frame, wherein both ends of the conveying pipe frame are respectively installed through one side of the bottom of the dust collection hood, and the other end is fixedly mounted through one side of one of the limiting support frames on one side of the fan inlet; an adjusting mechanism, wherein the adjusting mechanism is located between one side of the dust collection hood and one side of the limiting fixture, for adjusting the height of the dust collection hood; and a collecting mechanism, wherein the collecting mechanism is located on one side of the fan outlet, for collecting the welding slag sucked out and cleaned.

[0007] The effects achieved by the above-mentioned components are as follows: By setting up a cleaning device, during the welding process of the engineering machinery bucket, the bucket needs to be fixed by a limiting fixture to ensure welding accuracy. The conventional method is to invert the bucket on the upper outer surface of two limiting support frames, and then start the motor to drive the lead screw to rotate, thereby driving the two limiting support frames to slide to both ends in the inner wall of the limiting fixture, supporting and fixing the inner wall of the bucket firmly. This works in conjunction with the robotic arm to complete the welding operation. During the welding process, the dust collection hood can be moved up or down to a certain height by adjusting the mechanism according to the actual welding position. Then, the fan is started to draw air into the inside of the conveying pipe frame, creating a negative pressure inside the dust collection hood to absorb the welding slag during the welding process. The slag is then transported to the outlet of the fan through the conveying pipe frame and finally discharged into the collection mechanism for collection, facilitating unified cleaning later. This ensures the cleanliness of the welded part to guarantee the accuracy of subsequent processing, saves additional cleaning procedures, reduces operating costs and time, reduces the safety hazards of welding slag scattering, and improves the overall efficiency and safety of bucket assembly.

[0008] Preferably, both ends of the conveying pipe frame are corrugated pipes, and the two ends of the conveying pipe frame with corrugated pipes are located at both ends near the dust collection hood.

[0009] The effect achieved by the above components is that by setting both ends of the conveyor pipe frame as corrugated pipes, when the dust hood moves up and down under the adjustment mechanism, both ends of the conveyor pipe frame will also contract and stretch accordingly, so as not to affect the height adjustment of the dust hood.

[0010] Preferably, the adjustment mechanism includes an electric telescopic rod, wherein one end of the electric telescopic rod is fixedly installed on one side of the limiting fixture, and the other end (output end) is fixedly installed on one side of the dust collection hood; and a plurality of grooved rods, wherein one side of the plurality of grooved rods is symmetrically fixedly installed on one side of the limiting fixture, and both ends of the dust collection hood are respectively slidably installed in the inner wall of the grooved rods.

[0011] The aforementioned components achieve the following effects: the electric telescopic rod directly drives the dust hood to rise and fall, and the grooved rod forms sliding limits at both ends of the dust hood. This allows for quick and precise adjustment of the dust hood height to suit the slag adsorption needs of different welding positions in the bucket, while also ensuring the stability of the dust hood during movement. This prevents the slag adsorption effect from being affected by positional deviation, further improving the adaptability and reliability of the cleaning device, thereby better ensuring the cleanliness of bucket welding and the accuracy of subsequent processing.

[0012] Preferably, a reinforcing rod is symmetrically fixedly installed on the outer surface of the output end of the electric telescopic rod, and one side of the reinforcing rod is fixedly installed on one side of the dust collection hood.

[0013] The effect achieved by the above components is that by setting up a reinforcing rod, the connection area between the output end of the electric telescopic rod and the dust cover can be increased, making the connection more secure and less prone to damage.

[0014] Preferably, the collection mechanism includes a collection box, wherein one side of the collection box is fixedly installed on one side of the limiting fixture, and one side is connected through to the outlet of the fan; a collection container, wherein one end of the collection container is inserted into the inner wall of the collection container, and a plurality of filter holes are provided on both sides of the inner wall of the collection container and both sides of the inner wall of the collection box; and a limiting mechanism, wherein the limiting mechanism is disposed between one side of the collection container and both sides of the collection box, for fixing and limiting the collection container inserted into the collection box.

[0015] The effect achieved by the above-mentioned components is as follows: by setting up a collection mechanism, before cleaning, one end of the collection box can be manually inserted into the inside of the collection box, and then the collection box is fixed inside the collection box by the limiting mechanism. In this way, when the fan draws air and welding slag into the collection box, the air will be discharged through the filter holes on both sides, while the welding slag will be retained in the collection box and collected. This not only collects welding slag efficiently, but also makes it easy to quickly remove the collection box for cleaning, reducing the cumbersome procedures of welding slag treatment and improving the practicality and work efficiency of the tooling.

[0016] Preferably, a handle block is fixedly installed on one side of the collection box, and the cross-section of the handle block is arc-shaped.

[0017] The effect achieved by the above-mentioned components is that by setting a handle block, the contact area on one side of the collection box can be increased, making it easier to manually grasp and remove or install it.

[0018] Preferably, the limiting mechanism includes two protrusions, one side of which is fixedly mounted on one side of the collection box; two rotating blocks, one side of which is rotatably mounted on one side of the protrusions, and the other end of which abuts against one side of the collection box; and two torsion springs, the inner wall of which is sleeved on the outer surface of one end of the rotating block, and the two ends are respectively fixedly mounted on one side of the rotating block and one side of the protrusions.

[0019] The effect achieved by the above components is as follows: by setting a limiting mechanism, when installing the collection box, the rotating block is first manually rotated on the protrusion to a certain angle, causing the torsion spring to deform. Then the collection box is inserted into the collection box to a certain position. At this time, the rotating block is released, so that under the reset action of the torsion spring, one end can be reset and abut against one side of the collection box, thereby fixing the collection box in the inner wall of the collection box, which is convenient for collecting welding slag and also convenient for quick removal of the collection box for cleaning.

[0020] Preferably, the upper end of the limiting fixture is provided with a sliding groove for the limiting support frame to slide. The upper end of the limiting fixture is provided with two inclined plates, each positioned on one side of the sliding groove. A protective cloth is provided between the two limiting support frames, with both ends of the protective cloth fixed to the two limiting support frames. One limiting support frame is fixedly connected to a sliding rod, which slides through the other limiting support frame. The sliding rod rests on the bottom of the protective cloth. The connection between the protective cloth and the sliding rod and the limiting support frame is fixed. When the limiting support frames approach each other, the protective cloth folds, and welding slag falls onto the protective cloth and slides down the inclined plate under gravity, preventing it from falling into the sliding groove. A shield is fixedly connected to the side of the limiting support frame, which can block the side of the limiting support frame and reduce the amount of welding slag falling into the sliding groove.

[0021] The beneficial effects of this utility model are:

[0022] By installing a cleaning device, during the welding process of engineering machinery buckets, the bucket needs to be fixed by a limiting fixture to ensure welding accuracy. The conventional method is to invert the bucket onto the upper outer surface of two limiting support frames, then start the motor to drive the lead screw to rotate, which in turn drives the two limiting support frames to slide to both ends within the inner wall of the limiting fixture, firmly supporting and fixing the inner wall of the bucket. This works in conjunction with the robotic arm to complete the welding operation. During the welding process, the dust collection hood can be adjusted to a certain height by adjusting the mechanism according to the actual welding position. Then, the fan is started to draw air into the inside of the conveying pipe frame, creating a negative pressure inside the dust collection hood to absorb the welding slag. The slag is then transported through the conveying pipe frame to the outlet of the fan and finally discharged into the collection mechanism for collection, facilitating unified cleaning later. This method ensures the cleanliness of the welded part to guarantee the accuracy of subsequent processing, eliminates additional cleaning procedures, reduces operating costs and time, reduces the safety hazards of welding slag scattering, and improves the overall efficiency and safety of bucket assembly. Attached Figure Description

[0023] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0024] Figure 1 This is a schematic diagram of the structure of this utility model.

[0025] Figure 2 This is a three-dimensional structural diagram of the limiting tooling of this utility model;

[0026] Figure 3 for Figure 2 A three-dimensional schematic diagram of a local structure;

[0027] Figure 4 This is a three-dimensional structural diagram of the dust collection cover of this utility model;

[0028] Figure 5 for Figure 4 A three-dimensional schematic diagram of a portion of the structure at the collection box;

[0029] Figure 6 for Figure 4 A three-dimensional schematic diagram of a partial structure at the electric telescopic pole;

[0030] Figure 7 This is a schematic diagram of the shielding and protective part of this utility model;

[0031] Figure 8 This is a schematic diagram of the protective fabric of this utility model.

[0032] Legend: 1. Limiting fixture; 2. Cleaning device; 3. Limiting support frame; 4. Lead screw; 5. Motor; 6. Inclined plate; 7. Shield; 8. Protective cloth; 9. Slide rod; 21. Dust hood; 22. Adjusting mechanism; 221. Electric telescopic rod; 222. Groove rod; 223. Reinforcing rod; 23. Conveying pipe rack; 24. Fan; 25. Collection mechanism; 251. Collection box; 252. Collection container; 253. Filter hole; 254. Handle block; 255. Limiting mechanism; 2551. Protrusion; 2552. Rotating block; 2553. Torsion spring. Detailed Implementation

[0033] The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic diagrams, illustrating only the basic structure of the present invention, and therefore only show the components relevant to the present invention.

[0034] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "connected" and "linked" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0035] Figures 1-8The illustrated engineering machinery bucket assembly fixture includes a limiting fixture 1. A limiting support frame 3 is symmetrically and slidably installed on the inner wall of the limiting fixture 1. A lead screw 4 is installed through the inner wall of the limiting fixture 1, wherein the threads at both ends of the lead screw 4 are in opposite directions, and the outer surfaces of both ends are respectively threaded to one end of the inner wall of the two limiting support blocks. A motor 5 is fixedly installed on one side of the limiting fixture 1, wherein the output end of the motor 5 is fixedly installed on one side of the lead screw 4 by means of a coupling. A cleaning device 2 is provided on one side of the limiting fixture 1. The cleaning device 2 can draw air into the interior of the conveying pipe frame 23 by starting the fan 24, so that the interior of its dust collection hood 21 is negatively pressured to absorb the welding slag during the welding process into the collection mechanism 25 for collection, thereby ensuring the cleanliness of the welding part and not affecting the subsequent processing accuracy.

[0036] Figures 1-6The cleaning device 2 shown includes a fan 24 and two dust collection hoods 21, wherein the outer surface of the fan 24 is fixedly installed on one side of the limiting fixture 1; a conveying pipe frame 23, wherein both ends of the conveying pipe frame 23 are respectively installed through one side of the bottom of the dust collection hood 21, and the other end is fixedly installed through one side of one of the limiting support frames 3 on one side of the fan 24; an adjusting mechanism 22, wherein the adjusting mechanism 22 is located between one side of the dust collection hood 21 and one side of the limiting fixture 1, for adjusting the height of the dust collection hood 21; and a collecting mechanism 25, wherein the collecting mechanism 25 is located on one side of the outlet of the fan 24, for collecting the welding slag sucked out and cleaned. By setting up the cleaning device 2, during the welding process of the engineering machinery bucket, the bucket needs to be fixed by the limiting fixture 1 to ensure welding accuracy. The conventional method is to invert the bucket on the upper outer surface of the two limiting support frames 3, and then start the motor 5 to drive the lead screw 4 to rotate, thereby driving the two limiting support frames 3 to slide to both ends in the inner wall of the limiting fixture 1, and firmly supporting and fixing the inner wall of the bucket. This works in conjunction with the robotic arm to complete the welding operation. During the welding process, the dust suction hood 21 can be adjusted upward by the adjustment mechanism 22 according to the actual welding position. Alternatively, the device can move downwards to a certain height, then activate the fan 24 to draw air into the conveyor frame 23, creating a negative pressure inside the dust collection hood 21. This draws the welding slag into the dust collection hood 21, which is then transported through the conveyor frame 23 to the outlet of the fan 24, and finally collected in the collection mechanism 25 for later unified cleaning. This ensures the cleanliness of the welded area to guarantee subsequent processing accuracy, eliminates additional cleaning procedures, reduces operating costs and time, and minimizes the safety hazard of slag spillage, thereby improving the overall efficiency and safety of bucket assembly. The two ends of the conveyor frame 23 are corrugated pipes, positioned near the dust collection hood 21. By making the two ends of the conveyor frame 23 corrugated, when the dust collection hood 21 moves upwards under the adjustment mechanism 22, the two ends of the conveyor frame 23 will also contract and stretch accordingly, ensuring that the height adjustment of the dust collection hood 21 is not affected.

[0037] Figures 1-6The adjustment mechanism 22 shown includes an electric telescopic rod 221, one end of which is fixedly installed on one side of the limiting fixture 1, while the other output end is fixedly installed on one side of the dust collection hood 21; and several grooved rods 222, one side of which is symmetrically fixedly installed on one side of the limiting fixture 1. Both ends of the dust collection hood 21 are slidably installed in the inner walls of the grooved rods 222. The electric telescopic rod 221 directly drives the dust collection hood 21 to rise and fall, and in conjunction with the grooved rods 222, it forms sliding limits at both ends of the dust collection hood 21. This allows for quick and precise adjustment of the height of the dust collection hood 21 to adapt to the slag adsorption requirements of different welding positions in the bucket, while also ensuring the stability of the dust collection hood 21 during movement. This prevents positional deviation from affecting the slag adsorption effect, further improving the adaptability and operational reliability of the cleaning device 2, thereby better ensuring the cleanliness of the bucket welding process and the accuracy of subsequent processing. A reinforcing rod 223 is symmetrically fixedly installed on the outer surface of the output end of the electric telescopic rod 221, and one side of the reinforcing rod 223 is fixedly installed on one side of the dust collection hood 21. By setting the reinforcing rod 223, the connection area between the output end of the electric telescopic rod 221 and the dust collection hood 21 can be increased, making the connection more secure and less prone to damage.

[0038] Figures 1-6 The collection mechanism 25 shown includes a collection box 251, one side of which is fixedly installed on one side of the limiting fixture 1 and is connected through to the outlet of the fan 24; a collection box 252, one end of which is inserted into the inner wall of the collection box 251, and several filter holes 253 are provided on both sides of the inner wall of the collection box 252 and both sides of the inner wall of the collection box 251; and a limiting mechanism 255, which is disposed between one side of the collection box 252 and both sides of the collection box 251, for fixing and limiting the collection box 252 inserted into the collection box 251. By setting up the collection mechanism 25, before cleaning, one end of the collection box 252 can be manually inserted into the inside of the collection box 251, and then the collection box 252 is fixed inside the collection box 251 by the limiting mechanism 255. In this way, when the fan 24 draws air and welding slag into the collection box 251, the air will be discharged through the filter holes 253 on both sides, while the welding slag will be retained in the collection box 252 and collected. This can efficiently collect welding slag and facilitate quick removal of the collection box 252 for cleaning, reducing the cumbersome procedures of welding slag treatment and improving the practicality and efficiency of the tooling.

[0039] Figures 1-6A handle block 254 is fixedly installed on one side of the collection box 252 shown. The cross-section of the handle block 254 is arc-shaped. By setting the handle block 254, the contact area on one side of the collection box 252 can be increased, making it easier to manually grasp and remove or install it. The limiting mechanism 255 includes two protrusions 2551, one side of which is fixedly installed on one side of the collection box 251; two rotating blocks 2552, one side of which is rotatably installed on one side of the protrusions 2551, and the other end of which abuts against one side of the collection box 252; and two torsion springs 2553, the inner wall of which is sleeved on the outer surface of one end of the rotating block 2552, and the two ends are respectively fixedly installed on one side of the rotating block 2552 and one side of the protrusions 2551. By setting a limiting mechanism 255, when installing the collection box 252, the rotating block 2552 is first manually rotated on the protrusion 2551 to a certain angle, causing the torsion spring 2553 to deform. Then, the collection box 252 is inserted into the collection box 251 to a certain position. At this time, the rotating block 2552 is released, so that under the reset action of the torsion spring 2553, one end can be reset and abut against one side of the collection box 252, thereby fixing the collection box 252 in the inner wall of the collection box 251, which is convenient for collecting welding slag and also convenient for quickly removing the collection box 252 for cleaning.

[0040] Figures 7-8 The upper end of the limiting fixture 1 shown is provided with a sliding groove for the limiting support frame 3 to slide. The upper end of the limiting fixture 1 is provided with an inclined plate 6, of which two inclined plates 6 are provided, and the two inclined plates 6 are respectively located on both sides of the sliding groove. A protective cloth 8 is provided between the two limiting support frames 3. The two ends of the protective cloth 8 are fixed to the two limiting support frames 3 respectively. One of the limiting support frames 3 is fixedly connected to a sliding rod 9, which slides through the other limiting support frame 3 and rests on the bottom of the protective cloth 8. The connection between the protective cloth 8 and the sliding rod 9 and the limiting support frame 3 is fixed. When the limiting support frames 3 are close to each other, the protective cloth 8 is folded. The welding slag falls onto the protective cloth 8 and slides down along the inclined plate 6 under the action of gravity, making it less likely to fall into the sliding groove. A shield 7 is fixedly connected to the side of the limiting support frame 3, which can block the side of the limiting support frame 3 and reduce the welding slag falling into the sliding groove.

[0041] Working Principle: During the welding process of the engineering machinery bucket, the bucket needs to be fixed by the limiting fixture 1 to ensure welding accuracy. The conventional method is to invert the bucket onto the upper outer surface of the two limiting support frames 3, then start the motor 5 to drive the lead screw 4 to rotate. This causes the two limiting support frames 3 to slide towards both ends within the inner wall of the limiting fixture 1, firmly supporting and fixing the inner wall of the bucket. This works in conjunction with the robotic arm to complete the welding operation. Before welding, the rotating block 2552 is manually rotated on the protrusion 2551 to a certain angle, causing the torsion spring 2553 to deform. Then, the collection box 252 is inserted into the collection container 251 to a certain position. At this point, the rotating block 2552 is released, allowing one end to return to its original position and abut against one side of the collection box 252 under the reset action of the torsion spring 2553, thus collecting the contents of the collection box. The collection box 252 is fixedly installed in the inner wall of the collection box 251. During the welding process, the electric telescopic rod 221 can be activated to drive the dust suction hood 21 to slide up or down to a certain height in the inner wall of the groove rod 222, depending on the actual welding position. Then, the blower 24 is activated to draw air into the inside of the conveying pipe frame 23, so that the inside of the dust suction hood 21 is negatively pressured to absorb the welding slag in the dust suction hood 21. Then, it is transported through the conveying pipe frame 23 to the outlet of the blower 24, and finally discharged into the collection mechanism 25 for collection, which is convenient for unified cleaning later. This ensures the cleanliness of the welding part to guarantee the accuracy of subsequent processing, saves the extra cleaning process, reduces operating costs and time, reduces the safety hazards of welding slag scattering, and improves the overall efficiency and safety of bucket assembly.

[0042] It should be noted that the fan blades of the fan 24 are made of high-chromium cast iron. The hardness of the fan blade material is greater than that of the welding slag, so the welding slag will not collide with the fan blades and cause damage. The fan blades can also be replaced or cleaned in daily maintenance.

[0043] Based on the above-described preferred embodiments of this utility model, and through the foregoing description, those skilled in the art can make various changes and modifications without departing from the technical concept of this utility model. The technical scope of this utility model is not limited to the contents of the specification, but must be determined according to the scope of the claims.

Claims

1. A bucket assembly fixture for construction machinery, including a limiting fixture (1), characterized in that: The inner wall of the limiting fixture (1) is symmetrically and slidably fitted with a limiting support frame (3). A lead screw (4) is installed through the inner wall of the limiting fixture (1). The threads at both ends of the lead screw (4) are in opposite directions, and the outer surfaces of both ends are respectively threaded to one end of the inner wall of the two limiting support blocks. A motor (5) is fixedly installed on one side of the limiting fixture (1). The output end of the motor (5) is fixedly installed on one side of the lead screw (4) by means of a coupling. A cleaning device (2) is provided on one side of the limiting fixture (1). The cleaning device (2) can draw air into the inside of the conveying pipe frame (23) by starting the fan (24), so that the inside of its dust collection hood (21) forms a negative pressure to absorb the welding slag in the welding process into the collection mechanism (25) and collect it.

2. The bucket assembly fixture for engineering machinery according to claim 1, characterized in that: The cleaning device (2) includes a fan (24) and two dust hoods (21), wherein the outer surface of the fan (24) is fixedly installed on one side of the limiting fixture (1); The conveying pipe rack (23) has two ends that are respectively installed through the bottom side of the dust collection hood (21), and the other end is installed through one side of one of the limiting support frames (3) and fixedly installed on the side of the inlet of the fan (24). Adjustment mechanism (22), wherein the adjustment mechanism (22) is disposed between one side of the dust hood (21) and one side of the limiting fixture (1), for adjusting the height of the dust hood (21); Collection mechanism (25), wherein the collection mechanism (25) is located on one side of the outlet of the fan (24) for collecting the welding slag sucked out and cleaned.

3. The bucket assembly fixture for engineering machinery according to claim 2, characterized in that: The two ends of the conveying pipe frame (23) are corrugated pipes, and the two ends of the corrugated pipes of the conveying pipe frame (23) are located near the two ends of the dust collection hood (21).

4. The bucket assembly fixture for engineering machinery according to claim 2, characterized in that: The adjustment mechanism (22) includes an electric telescopic rod (221), wherein one end of the electric telescopic rod (221) is fixedly installed on one side of the limiting fixture (1), while the other end output end is fixedly installed on one side of the dust collection hood (21); A plurality of grooved rods (222) are symmetrically fixed on one side of a limiting fixture (1), and the two ends of the dust collection cover (21) are respectively slidably installed in the inner wall of the grooved rods (222).

5. The bucket assembly fixture for engineering machinery according to claim 4, characterized in that: A reinforcing rod (223) is symmetrically fixedly installed on the outer surface of the output end of the electric telescopic rod (221), and one side of the reinforcing rod (223) is fixedly installed on one side of the dust collection hood (21).

6. The bucket assembly fixture for engineering machinery according to claim 2, characterized in that: The collection mechanism (25) includes a collection box (251), wherein one side of the collection box (251) is fixedly installed on one side of the limiting fixture (1), and one side is connected through to the outlet of the fan (24). A collection box (252) is inserted into the inner wall of a collection box (251) at one end. Several filter holes (253) are provided on both sides of the inner wall of the collection box (252) and the inner wall of the collection box (251). A limiting mechanism (255) is provided between one side of the collection box (252) and both sides of the collection box (251) for fixing and limiting the collection box (252) inserted into the collection box (251).

7. The bucket assembly fixture for engineering machinery according to claim 6, characterized in that: A handle block (254) is fixedly installed on one side of the collection box (252), and the cross-section of the handle block (254) is arc-shaped.

8. The bucket assembly fixture for engineering machinery according to claim 6, characterized in that: The limiting mechanism (255) includes two protrusions (2551), one side of which is fixedly installed on one side of the collection box (251).

9. The bucket assembly fixture for engineering machinery according to claim 8, characterized in that: Two rotating blocks (2552), one side of which is rotatably mounted on one side of the protrusion (2551), and the other end of which abuts against one side of the collection box (252).

10. The bucket assembly fixture for engineering machinery according to claim 9, characterized in that: Two torsion springs (2553) are provided, with the inner wall of the torsion springs (2553) sleeved on the outer surface of one end of the rotating block (2552), and the two ends are respectively fixed on one side of the rotating block (2552) and one side of the protrusion (2551).

11. The bucket assembly fixture for engineering machinery according to claim 1, characterized in that: The upper end of the limiting fixture (1) is provided with a sliding groove for the limiting support frame (3) to slide. The upper end of the limiting fixture (1) is provided with an inclined plate (6), and two inclined plates (6) are provided, and the two inclined plates (6) are respectively provided on both sides of the sliding groove. A protective cloth (8) is provided between the two limiting support frames (3). The two ends of the protective cloth (8) are respectively fixed to the two limiting support frames (3). One of the limiting support frames (3) is fixedly connected with a sliding rod (9), and the sliding rod (9) slides through the other limiting support frame. (3) The sliding rod (9) rests on the bottom of the protective cloth (8). The protective cloth (8) and the sliding rod (9) are fixed to the connection part of the limiting support frame (3). When the limiting support frame (3) is close to each other, the protective cloth (8) is folded. The welding slag falls onto the protective cloth (8) and slides down along the inclined plate (6) under the action of gravity, making it less likely to fall into the trough. The side of the limiting support frame (3) is fixedly connected with a shield (7). The shield (7) can block the side of the limiting support frame (3) and reduce the welding slag from falling into the trough.

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