Adjustable welding tool for excavator bucket

By designing an adjustable welding fixture, and utilizing a slider and positioning seat that work in conjunction with a hydraulic rod and a gear rod, the problem of existing fixtures being unable to adapt to buckets of different specifications was solved. This achieved stability and accuracy in the bucket welding process, and reduced production costs and labor intensity.

CN223718702UActive Publication Date: 2025-12-26山东和信工程机械有限公司
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Patent Information

Application Number
CN202520226634.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-13
Publication Date
2025-12-26
Estimated Expiration
2035-02-13

AI Technical Summary

Technical Problem

Existing excavator bucket welding fixtures are difficult to adapt flexibly to changes in the size of buckets of different specifications, resulting in frequent fixture changes or manual adjustments, which increases production costs and time, and the clamping is unstable, affecting the welding quality.

Method used

An adjustable welding fixture including a positioning component and a fixing component was designed. The sliding of the slider and the positioning seat is achieved through the cooperation of the hydraulic rod and the gear rod. Combined with the air pipe system of the piston push rod, it provides stable clamping and adaptive adjustment, ensuring the stability and accuracy of the bucket during the welding process.

Benefits of technology

It improves the versatility and adaptability of tooling, reduces manual intervention, ensures the stability and accuracy of the bucket during the welding process, and reduces production costs and labor intensity.

✦ Generated by Eureka AI based on patent content.

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  • Figure CN223718702U_ABST
    Figure CN223718702U_ABST
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Abstract

The utility model discloses an adjustable welding tool for an excavator bucket, and relates to the technical field of excavator bucket tools. Comprising a welding tool base, a mounting mechanism used for welding the excavator bucket is arranged on the welding tool base, the mounting mechanism comprises a positioning assembly, and the positioning assembly comprises two sets of sliding grooves formed in the welding tool base. The first gear rod conducts meshing transmission on the driving gear to drive the driving gear to rotate on the lower end face of the welding tool base, meanwhile, the driving gear is in meshing connection with the second gear rod, and the first gear rod and the second gear rod are promoted to conduct relative sliding work in the sliding groove through the first sliding block. And the positioning seat on the sliding block is driven to contract, open and close on the welding tool seat, so that the welding tool is suitable for buckets with different shapes and sizes, the requirement of manual intervention is reduced, and the operation is simple and convenient.
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Description

TECHNICAL FIELD

[0001] The utility model relates to excavator bucket frock technical field, concretely is a kind of adjustable welding frock of excavator bucket. BACKGROUND

[0002] Excavator is the earth-moving machinery that material above or below the surface is excavated by bucket and is loaded into transport vehicle or is unloaded to stockpile.Excavator's material is mainly soil, coal, sand and soil and rock after pre-looseness.Common excavator structure includes power device, working device, rotating mechanism, control mechanism, transmission mechanism, running gear and auxiliary facilities etc.Transmission mechanism passes through hydraulic pump and is transmitted to hydraulic motor, hydraulic cylinder etc.executive component by engine power, and working device is pushed to act, to complete various operations.

[0003] The utility model provides a kind of adjustable welding frock of general excavator bucket, it is related to excavator bucket welding technical field, including mounting seat, the mounting seat top is provided with driving pivot, driving pivot surface is sleeved with push block, mounting seat top is opened with moving groove, moving groove inside is provided with movable plate, movable plate is close to the side of resistance board and is provided with telescopic air bag, telescopic air bag other end is equipped with telescopic resistance ball by connecting pipe.

[0004] Bucket refers to the bucket used on excavator, also called excavator.Bucket manufacturing procedure includes blanking, turning, milling, drilling, forming, welding, polishing, sand blasting, spraying etc.process.Bucket is placed by frock during welding process, and traditional frock uses fixed clamp, it is difficult to flexibly adapt to the change of bucket size, lacks flexible adaptability to different specifications of bucket, leading to frequent replacement of frock or manual adjustment in production process, increase production cost and time, and due to the unevenness of bucket two side plates, it is difficult to provide stable clamping effect, therefore, the utility model provides a kind of adjustable welding frock of excavator bucket. UTILITY MODEL CONTENTS

[0005] In view of the deficiencies of prior art, the utility model provides a kind of adjustable welding frock of excavator bucket, solves the replacement of stirring rod, and it is often necessary to disassemble a large number of components, operation is complex, and part of stirring machine stirring rod mounting structure is not enough stable, and loose or falling phenomenon appears after long time work, then material is easy to adhere in stirring main body inner wall during stirring process, leading to uneven stirring, reduce stirring efficiency, and need to stop regularly and carry out manual cleaning, increase labor intensity and production cost.

[0006] In order to achieve the above object, the utility model discloses a kind of excavator bucket adjustable welding tool, including welding tool seat, installation mechanism for excavator bucket welding is provided on the welding tool seat, installation mechanism includes:

[0007] Positioning assembly, including the two groups of slide grooves opened in welding tool seat interior, the inside slide connection of slide groove has first sliding block, the inner wall of first sliding block is fixedly connected with first gear bar, the upper end of first sliding block is fixedly connected with slide rail support, the right end of slide rail support is fixedly connected with positioning seat;

[0008] Fixed component, including the inside slide connection of slide rail support limit board, the right end of positioning seat is fixedly connected with second sliding block, the inside of second sliding block is provided with connecting shaft, the outer wall of connecting shaft is provided with locking bracket, the inside of positioning seat is evenly distributed with trachea, the inside slide connection of trachea has piston push rod.

[0009] Preferably, the lower end surface center of the welding tool seat is provided with a drive gear, the front side of the drive gear is engaged with a second gear bar, and the first gear bar and the second gear bar are diagonally symmetrically distributed.

[0010] Preferably, the lower end surface edge of the welding tool seat is provided with a fixed block, the inside of the fixed block is provided with a first hydraulic rod, the first sliding block is fixedly connected with the first hydraulic rod, and the upper surface of the welding tool seat is provided with an excavator bucket body.

[0011] Preferably, the inside of the slide rail support is slide-connected with a limit board, and four groups of threaded holes are formed in the upper end surface of the slide rail support.

[0012] Preferably, the inside of the locking bracket is provided with a threaded bolt, the lower end of the threaded bolt is rotatably connected with a clamping plate, the upper end surface of the clamping plate is provided with a telescopic sleeve rod on both sides, the other end of the telescopic sleeve rod is fixedly connected with the locking bracket, and the lower end surface of the clamping plate is provided with a rubber pad.

[0013] Preferably, the rear side of the positioning seat is fixedly connected with a push block, the inside of the push block is provided with a piston groove, the inside of the piston groove is provided with a piston seat, the right end of the piston seat is fixedly connected with a second hydraulic rod, and the piston groove is in flow connection with the trachea.

[0014] Beneficial effects

[0015] The utility model provides a kind of excavator bucket adjustable welding tool.Compared with prior art, it has the following beneficial effects:

[0016] The utility model discloses a first hydraulic rod pushes the first sliding block to slide at the bottom of the welding tool seat, and the first gear rod is engaged with the driving gear, drives the driving gear to rotate at the lower end surface of the welding tool seat, and the driving gear is engaged with the second gear rod, which makes the first gear rod and the second gear rod slide relatively in the sliding groove through the first sliding block, drives the positioning seat on the sliding block to contract and open on the welding tool seat, and helps to adapt to different shapes and sizes of the bucket, reduces the need for manual intervention and is simple and convenient to operate.

[0017] Secondly, after the positioning seat limits and clamps the two sides of the excavator bucket body, the piston seat set through the second hydraulic rod works in the piston groove, makes the pressure in the air pipe, realizes the jacking of the uniformly distributed piston push rod in the air pipe, extrudes and fixes the two sides of the excavator bucket body, clamps the side plate of the excavator bucket body of different rules through the uniformly distributed piston push rod, improves the universality and adaptability of the tool, and the positioning seat ensures that the piston push rod can be further adjusted accurately after the preliminary limiting and clamping of the bucket body, and ensures the stability and accuracy of the bucket in the welding process. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is the whole structure schematic diagram of the utility model;

[0019] Figure 2 It is the welding tool seat bottom structure schematic diagram of the utility model;

[0020] Figure 3 It is the slide rail support and locking support structure schematic diagram of the utility model;

[0021] Figure 4 It is the positioning seat and push block internal structure schematic diagram of the utility model.

[0022] In the drawing: 1, welding tool seat;2, driving gear;201, sliding groove;202, first sliding block;203, first gear rod;204, second gear rod;3, fixed block;301, first hydraulic rod;4, excavator bucket body;5, slide rail support;501, positioning seat;502, push block;6, limiting plate;601, threaded hole;7, second sliding block;701, connecting shaft;702, locking support;703, threaded bolt;704, clamping plate;705, rubber pad;706, telescopic sleeve rod;8, piston groove;801, second hydraulic rod;802, piston seat;803, air pipe;804, piston push rod. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of the present application.

[0024] Embodiment one

[0025] Please refer to Figures 1-4 The utility model provides a kind of technical solutions: a kind of excavator bucket adjustable welding tool, including welding tool seat 1, welding tool seat 1 is provided with the installation mechanism for excavator bucket welding, installation mechanism includes:

[0026] Positioning assembly, including the two groups of slide grooves 201 being opened in the inside of welding tool seat 1, the inside sliding connection of slide groove 201 has first sliding block 202, the inner wall of first sliding block 202 is fixedly connected with first gear bar 203, the upper end of first sliding block 202 is fixedly connected with slide rail support 5, the right end of slide rail support 5 is fixedly connected with positioning seat 501;

[0027] Fixed component, including the inside sliding connection of slide rail support 5 with limit board 6, the right end of positioning seat 501 is fixedly connected with second sliding block 7, the inside of second sliding block 7 is provided with connecting shaft 701, the outer wall of connecting shaft 701 is provided with locking bracket 702, the inside of positioning seat 501 is evenly distributed with air pipe 803, the inside sliding connection of air pipe 803 has piston push rod 804.

[0028] In preferred implementation, the lower end surface center of welding tool seat 1 is provided with driving gear 2, the front side engagement connection of driving gear 2 has second gear bar 204, first gear bar 203 and second gear bar 204 are obliquely symmetrical distribution, the lower end surface edge of welding tool seat 1 is provided with fixed block 3, the inside of fixed block 3 is provided with first hydraulic rod 301, first sliding block 202 is fixedly connected with first hydraulic rod 301, the upper surface of welding tool seat 1 is provided with excavator bucket body 4, the first hydraulic rod 301 of being provided pushes first sliding block 202 to slide in the bottom of welding tool seat 1, first gear bar 203 is engaged transmission to driving gear 2, drives driving gear 2 to rotate in the lower end surface of welding tool seat 1, simultaneously, driving gear 2 is engaged connection with second gear bar 204, promotes first gear bar 203 and second gear bar 204 to slide relatively in the inside of slide groove 201 by first sliding block 202, drives positioning seat 501 on the slide block to contract and open on welding tool seat 1, to help adapt to different shapes and sizes of bucket, reduce the need for manual intervention.

[0029] In the preferred implementation, the inner sliding connection of the slide rail support 5 is limited by the limiting plate 6, four groups of threaded holes 601 are arranged on the upper end surface of the slide rail support 5, the excavator bucket body 4 is placed on the welding tool seat 1, the rear wall of the excavator bucket body 4 is ensured to be in close contact with the limiting plate 6, and then an L-shaped structure is formed with the positioning seat 501, the two ends of the rear side of the excavator bucket body 4 are limited, the position deviation of the excavator bucket body 4 is reduced when the excavator bucket body 4 is placed, and the position of the limiting plate 6 can be adjusted by sliding in the inner part of the slide rail support 5, and then the position of the limiting plate 6 is adjusted by cooperation of the bolt and the threaded hole 601, so that the excavator bucket body 4 is better adapted.

[0030] In the preferred implementation, the rear side of the positioning seat 501 is fixedly connected with the push block 502, the inner part of the push block 502 is provided with the piston groove 8, the inner part of the piston groove 8 is provided with the piston seat 802, the right end of the piston seat 802 is fixedly connected with the second hydraulic rod 801, and the piston groove 8 is in flow connection with the air pipe 803. After the positioning seat 501 limits and clamps the two sides of the excavator bucket body 4, the piston seat 802 arranged in the inner part of the piston groove 8 works through the second hydraulic rod 801 to generate pressure in the inner part of the air pipe 803, the uniformly distributed piston push rod 804 is pushed in the inner part of the air pipe 803, the two sides of the excavator bucket body 4 are extruded and fixed, the uniformly distributed piston push rod 804 is used to clamp the side plates of excavator bucket bodies 4 of different specifications, the universality and adaptability of the tool are improved, and after the positioning seat 501 ensures that the bucket body is preliminarily limited and clamped, the piston push rod 804 can be further accurately adjusted to ensure the stability and accuracy of the bucket during the welding process.

[0031] In the preferred implementation, the inner part of the positioning seat 501 is provided with the push block 502, the inner part of the push block 502 is provided with the piston groove 8, the inner part of the piston groove 8 is provided with the piston seat 802, the right end of the piston seat 802 is fixedly connected with the second hydraulic rod 801, and the piston groove 8 is in flow connection with the air pipe 803.

[0032] In the preferred implementation, the inner part of the positioning seat 501 is provided with the push block 502, the inner part of the push block 502 is provided with the piston groove 8, the inner part of the piston groove 8 is provided with the piston seat 802, the right end of the piston seat 802 is fixedly connected with the second hydraulic rod 801, and the piston groove 8 is in flow connection with the air pipe 803.

[0033] The contents not described in detail in the specification are all prior art known to those skilled in the art.

[0034] In operation, the first hydraulic rod 301 is arranged to push the first sliding block 202 to slide on the bottom of the welding tool holder 1, the first gear rod 203 is arranged to mesh with the driving gear 2 to drive the driving gear 2 to rotate on the lower end surface of the welding tool holder 1, the driving gear 2 is arranged to be in meshing connection with the second gear rod 204, the first gear rod 203 and the second gear rod 204 are arranged to slide in the sliding groove 201 through the first sliding block 202, the positioning seat 501 on the sliding block is arranged to retract and open on the welding tool holder 1, which is helpful to adapt to excavator buckets of different shapes and sizes, when the positioning seat 501 limits and clamps the two sides of the excavator bucket body 4, the piston seat 802 is arranged to work in the piston groove 8 through the second hydraulic rod 801, the air pipe 803 is arranged to generate pressure inside, the piston push rod 804 is arranged to push inside the air pipe 803 to extrude and fix the two sides of the excavator bucket body 4, the piston push rod 804 is arranged to clamp the side plates of excavator bucket bodies 4 of different rules, which improves the universality and adaptability of the tool, after the positioning seat 501 preliminarily limits and clamps the bucket body, the piston push rod 804 can be further adjusted accurately to ensure the stability and accuracy of the bucket during welding;

[0035] When the two sides of the positioning seat 501 are close to the welding equipment, the locking support 702 is arranged to rotate on the second sliding block 7 through the connecting shaft 701, the locking support 702 is arranged to rotate into the inside of the welded bucket, the threaded bolt 703 is arranged to rotate to lift the rubber pad 705 on the lower end surface of the clamping plate 704 through the telescopic sleeve rod 706, the inside of the excavator bucket body 4 is arranged to be extruded and clamped downward to prevent the bucket from falling off or moving due to vibration during welding.

[0036] It should be noted that, in the present document, the terms such as first and second, etc. are used merely to differentiate one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Also, the terms "comprises", "comprising", or any other variations thereof are intended to cover a non-exclusive inclusion, so that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0037] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. An excavator bucket adjustable welding fixture comprising a welding fixture seat (1), characterized in that: The welding tool seat (1) is provided with a mounting mechanism for excavator bucket welding, and the mounting mechanism comprises: A positioning assembly comprises two groups of sliding grooves (201) formed in the welding tool seat (1), a first sliding block (202) slidably connected in the sliding groove (201), a first gear rod (203) fixedly connected to the inner wall of the first sliding block (202), a slide rail support (5) fixedly connected to the upper end of the first sliding block (202), and a positioning seat (501) fixedly connected to the right end of the slide rail support (5). A fixing assembly comprises a limiting plate (6) slidably connected in the slide rail support (5), a second sliding block (7) fixedly connected to the right end of the positioning seat (501), a connecting shaft (701) provided in the second sliding block (7), a locking bracket (702) provided on the outer wall of the connecting shaft (701), and air pipes (803) uniformly distributed in the positioning seat (501), and a piston push rod (804) slidably connected in the air pipe (803).

2. The adjustable welding fixture for excavator buckets of claim 1, wherein: The lower end surface of the welding tool seat (1) is provided with a driving gear (2), the front side of the driving gear (2) is engagedly connected with a second gear rod (204), and the first gear rod (203) and the second gear rod (204) are diagonally and symmetrically distributed.

3. The adjustable welding fixture for excavator buckets of claim 1, wherein: The lower end surface of the welding tool seat (1) is provided with a fixing block (3), the inside of the fixing block (3) is provided with a first hydraulic rod (301), the first sliding block (202) is fixedly connected with the first hydraulic rod (301), and the upper surface of the welding tool seat (1) is provided with an excavator bucket body (4).

4. The adjustable welding fixture for excavator buckets of claim 1, wherein: The inside of the slide rail support (5) is slidably connected with a limiting plate (6), and the upper end surface of the slide rail support (5) is provided with four groups of threaded holes (601).

5. The adjustable welding fixture for excavator buckets of claim 1, wherein: The inside of the locking bracket (702) is provided with a threaded bolt (703), the lower end of the threaded bolt (703) is rotatably connected with a clamping plate (704), the upper end surface of the clamping plate (704) is provided with a telescopic sleeve rod (706) on both sides, the other end of the telescopic sleeve rod (706) is fixedly connected with the locking bracket (702), and the lower end surface of the clamping plate (704) is provided with a rubber pad (705).

6. An excavator bucket adjustable welding fixture as defined in claim 1 wherein: The rear side of the positioning seat (501) is fixedly connected with a push block (502), the inside of the push block (502) is provided with a piston groove (8), the inside of the piston groove (8) is provided with a piston seat (802), the right end of the piston seat (802) is fixedly connected with a second hydraulic rod (801), and the piston groove (8) is in flow connection with the air pipe (803).

Citation Information

Patent Citations

  • Universal adjustable welding tool for excavator bucket

    CN221435502U