Cutter head shell welding tool

By designing welding fixtures for cutter head housings and adopting quick-clamping devices and positioning mechanisms, the problems of inaccurate positioning and insufficient strength in traditional welding have been solved, achieving efficient and reliable welding results and adapting to the welding needs of various cutter head housings.

CN223734217UActive Publication Date: 2025-12-30JIANGSU TONGSHUN POWER TECH CO LTD
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Patent Information

Application Number
CN202423240164.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-27
Publication Date
2025-12-30
Estimated Expiration
2034-12-27

AI Technical Summary

Technical Problem

Traditional cutter head shell welding processes suffer from inaccurate positioning, insufficient welding strength, and low production efficiency, resulting in unstable welding quality that affects equipment reliability and the needs of modern agricultural production.

Method used

Design a welding fixture for cutter head housing, which adopts multiple quick-clamping devices and positioning mechanisms to achieve precise positioning and standardized welding. The fixture includes quick-clamping devices and components such as positioning pins and positioning rings to ensure the accuracy and strength of the welded joint.

Benefits of technology

It improves welding quality and efficiency, reduces positional deviations and welding defects, enhances the overall performance and reliability of the cutter head, and allows for flexible adjustment to different cutter head housings, meeting the needs of modern agricultural production.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223734217U_ABST
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Abstract

The utility model discloses a cutterhead shell welding tool which is used for positioning and fixing when a cutterhead shell is welded, and the cutterhead shell comprises a large shell, a large arc side plate, a small arc side plate, an M special-shaped sheet, an inner guide sheet I, an inner guide sheet II, a mounting plate I and a mounting plate II, the welding tool comprises a bottom plate and a plurality of quick clamping devices located on the bottom plate. The tool has the beneficial effects that a plurality of quick clamping devices are arranged, so that the tool can realize accurate positioning of the cutterhead shell, the position deviation in the welding process is reduced, and the butt joint accuracy of a welding joint is ensured. Therefore, not only is the welding quality improved, but also the overall performance of the cutter head is enhanced.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a cutter head shell welding tool belongs to agricultural machinery equipment technical field. BACKGROUND

[0002] Agricultural weeder plays an important role in agricultural production, and its working performance directly affects the growth and yield of crops. Among them, the cutter head shell as an important part of the weeder, carries the blade and is responsible for cutting weeds. The quality of the cutter head shell is closely related to the welding process, and the quality of the welding quality has an important influence on the strength, durability and working efficiency of the cutter head.

[0003] In the traditional cutter head shell welding process, the following problems exist:

[0004] 1. The traditional welding method depends on manual operation, lacks effective positioning device, and the cutter head shell is prone to position deviation during welding, which affects the welding quality and the overall performance of the cutter head;

[0005] 2. Due to the non-standard welding process, welding defects such as pores and slag may occur during welding, which reduces the strength of the welded joint and affects the reliability of the cutter head shell during use;

[0006] 3. The traditional process takes a long time, the operation is complicated, and the efficiency is relatively low, which is difficult to meet the growing demand of modern agricultural production.

[0007] In view of the above problems, a cutter head shell welding tool for agricultural weeder is needed to solve the problems of inaccurate positioning, insufficient welding strength, low production efficiency and safety hazards in the traditional welding process. Through the innovative application of the tool, the manufacturing level of the agricultural weeder will be improved, and the modernization degree of agricultural production will be improved. INVENTION CONTENTS

[0008] In view of the problems existing in the prior art, the utility model provides a cutter head shell welding tool to solve the above technical problems.

[0009] In order to achieve the above purpose, the utility model adopts the technical scheme of a cutter head shell welding tool, which is used for positioning and fixing of the cutter head shell during welding. The cutter head shell includes a large shell, a large circular arc side plate, a small circular arc side plate, an M-shaped plate, an inner guide plate one, an inner guide plate two, an installation plate one and an installation plate two. The welding tool includes a bottom plate and a plurality of quick clamping devices on the bottom plate.

[0010] Quick clamping device one is arranged at the connection position of the left and right ends of the M-shaped plate and the large circular arc side plate and the small circular arc side plate, and the end of the quick clamping device one is directly clamped on the above connection position.

[0011] A second quick-clamping device is provided on one side of the small arc side plate; the second quick-clamping device includes a quick clamp; a fixing plate is provided on one side of the quick clamp, and the fixing plate is vertically arranged on the base plate; a through hole is opened on the fixing plate for the sliding pin on one side of the quick clamp to pass through, and a pressure block is provided on one side of the sliding pin; the pressure block is pressed against one side of the small arc side plate.

[0012] A quick clamping device three is provided on one side of the mounting plate two; the quick clamping device three includes a quick clamp; a long fixing plate is provided on one side of the quick clamp; the long fixing plate is fixed on the base plate, and a U-shaped slot is opened at the lower end of the long fixing plate for the irregularly shaped pressure block to pass through. One side of the irregularly shaped pressure block is pressed against the mounting plate two, and the other side is fixed to the connecting shaft of the quick clamp.

[0013] A quick-clamping device 2 is installed at the connection position between mounting plate 1 and the large arc side plate;

[0014] A quick-clamping device 2 and a quick-clamping device 4 are provided on one side of the large arc side plate; the quick-clamping device 4 includes a quick clamp; a pressure block 2 is connected to one side of the quick clamp;

[0015] The inner guide plate one and inner guide plate two are positioned by three sets of positioning mechanisms; the positioning mechanism includes a positioning pin and a positioning ring; the positioning ring is sleeved on the positioning pin; the inner guide plate one and inner guide plate two are fixed by a clamping plate.

[0016] Furthermore, a U-shaped groove is formed at the upper end of the fixing plate, and a flap is connected to the U-shaped groove by a pin; the flap is used to press and fix the upper end surface of the small arc side plate.

[0017] The beneficial effects of this utility model are:

[0018] 1. By incorporating multiple quick-clamping devices, this fixture enables precise positioning of the cutter head housing, reducing positional deviations during welding and ensuring the butt joint accuracy. This not only improves welding quality but also enhances the overall performance of the cutter head.

[0019] 2. This fixture effectively secures the various components of the cutter head housing during the welding process, preventing insufficient weld joint strength caused by welding defects (such as porosity and slag inclusions). Standardized welding techniques enhance the reliability of the cutter head housing during use, meeting the durability requirements of agricultural production equipment.

[0020] 3. Compared with traditional welding methods, the design of this fixture improves the simplicity and efficiency of welding operations and reduces the time consumed during the welding process. Through the application of the quick-clamping device, operators can quickly position and fix the cutter head housing, significantly improving production efficiency and better meeting the growing needs of modern agricultural production.

[0021] 4. This tooling design includes multiple positioning mechanisms and an adjustable structure, which allows the equipment to be flexibly adjusted according to different cutter head housings during use, adapting to different welding requirements and further improving the adaptability and practicality of the tooling. Attached Figure Description

[0022] Figure 1 This is a schematic diagram of the cutter head housing of this utility model on a tooling.

[0023] Figure 2 This is a top view of the tooling structure of the cutter head housing of this utility model;

[0024] Figure 3 This is a schematic diagram of the cutter head housing structure of this utility model.

[0025] In the diagram: 1. Cutter head housing; 11. Large shell; 12. Large arc side plate; 13. Small arc side plate; 14. M-shaped piece; 15. Inner guide plate one; 16. Inner guide plate two; 17. Mounting plate one; 18. Mounting plate two; 2. Base plate; 3. Quick clamping device one; 4. Quick clamping device two; 41. Fixed plate; 411. Flip plate; 42. Sliding pin; 43. Pressure block one; 5. Quick clamping device three; 51. Long fixed plate; 52. Irregular pressure block; 6. Quick clamping device four; 61. Pressure block two; 7. Positioning mechanism; 71. Positioning pin; 72. Positioning ring; 8. Clamping plate. Detailed Implementation

[0026] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. However, it should be understood that the specific embodiments described herein are merely illustrative of the present utility model and are not intended to limit its scope.

[0027] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention pertains. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to limit the invention.

[0028] like Figure 1 , Figure 2 and Figure 3 As shown, a welding fixture for a cutter head housing is used for positioning and fixing the cutter head housing during welding. The cutter head housing 1 includes a large shell 11, a large arc side plate 12, a small arc side plate 13, an M-shaped piece 14, an inner guide piece 15, an inner guide piece 16, a mounting plate 17, and a mounting plate 18. The welding fixture includes a base plate 2 and multiple quick-clamping devices located on the base plate 2.

[0029] A quick clamping device 3 is provided at the connection positions between the left and right ends of the M-shaped piece 14 and the large arc side plate 12 and the small arc side plate 13. The end of the quick clamp of the quick clamping device 3 is directly pressed against the connection position.

[0030] A quick-clamping device 2 4 is provided on one side of the small arc side plate 13; the quick-clamping device 2 4 includes a quick clamp; a fixing plate 41 is provided on one side of the quick clamp, and the fixing plate 41 is vertically arranged on the base plate 2; a through hole is opened on the fixing plate 41 for the sliding pin 42 on one side of the quick clamp to pass through, and a pressure block 43 is provided on one side of the sliding pin 42; the pressure block 43 is pressed against one side of the small arc side plate 13.

[0031] A quick clamping device 3 5 is provided on one side of the mounting plate 2 18; the quick clamping device 3 5 includes a quick clamp; a long fixing plate 51 is provided on one side of the quick clamp; the long fixing plate 51 is fixed on the base plate 2, and the lower end of the long fixing plate 51 has a U-shaped slot for the irregularly shaped pressure block 52 to pass through. One side of the irregularly shaped pressure block 52 is pressed against the mounting plate 2 18, and the other side is fixed to the quick clamp connecting shaft.

[0032] A quick clamping device 4 is provided at the connection position between the mounting plate 17 and the large arc side plate 12;

[0033] A quick-clamping device 2 4 and a quick-clamping device 4 6 are provided on one side of the large arc side plate 12; the quick-clamping device 4 6 includes a quick clamp; a pressure block 2 61 is connected to one side of the quick clamp.

[0034] The inner guide plate 15 and the inner guide plate 2 are installed in positions determined by three sets of positioning mechanisms 7. The positioning mechanism 7 includes a positioning pin 71 and a positioning ring 72. The positioning ring 72 is sleeved on the positioning pin 71. The inner guide plate 15 and the inner guide plate 2 are fixed by a clamping plate 8.

[0035] In this preferred embodiment, the upper end of the fixing plate 41 has a U-shaped groove, and a flap 411 is connected to the U-shaped groove by a pin; the flap 411 is used to press and fix the upper end surface of the small arc side plate 13.

[0036] The beneficial effects of this invention are: by setting multiple quick-clamping devices, this fixture can achieve precise positioning of the cutter head housing, reduce positional deviations during welding, and ensure the butt joint accuracy of the welded joint. This not only improves the welding quality but also enhances the overall performance of the cutter head.

[0037] This fixture effectively secures the various components of the cutter head housing during welding, preventing insufficient weld joint strength caused by welding defects (such as porosity and slag inclusions). Standardized welding processes enhance the reliability of the cutter head housing during use, meeting the durability requirements of agricultural production.

[0038] Compared to traditional welding methods, this fixture design improves the simplicity and efficiency of welding operations, reducing time consumption during the welding process. Through the application of a quick-clamping device, operators can quickly position and fix the cutter head housing, significantly improving production efficiency and better meeting the growing needs of modern agricultural production.

[0039] This tooling design incorporates multiple positioning mechanisms and an adjustable structure, allowing the equipment to be flexibly adjusted according to different cutter head housings during use, adapting to different welding requirements and further improving the adaptability and practicality of the tooling.

[0040] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions or improvements made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A cutter head shell welding tool for positioning and fixing a cutter head shell during welding, the cutter head shell (1) comprising a large shell (11), a large circular arc side plate (12), a small circular arc side plate (13), an M-shaped profiled piece (14), an inner guide piece one (15), an inner guide piece two (16), a mounting plate one (17), and a mounting plate two (18); characterized in that, The welding tool includes a bottom plate (2) and a plurality of quick clamping devices on the bottom plate (2); A quick clamping device one (3) is arranged at the connection position between the M-shaped sheet (14) and the large-arc side plate (12) and the small-arc side plate (13); the end of the quick clamping device one (3) is directly pressed against the connection position; A quick clamping device two (4) is arranged on one side of the small-arc side plate (13); the quick clamping device two (4) includes a quick clamp; one side of the quick clamp is provided with a fixed plate (41) which is vertically arranged on the bottom plate (2); a through hole is formed in the fixed plate (41) for a sliding pin (42) on one side of the quick clamp to pass through; the sliding pin (42) is provided with a pressing block one (43) on one side; the pressing block one (43) is pressed against one side of the small-arc side plate (13); A quick clamping device three (5) is arranged on one side of the mounting plate two (18); the quick clamping device three (5) includes a quick clamp; one side of the quick clamp is provided with a long fixed plate (51); the long fixed plate (51) is fixed on the bottom plate (2); a U-shaped slot is formed in the lower end of the long fixed plate (51) for an irregular pressing block (52) to pass through; the irregular pressing block (52) is pressed against the mounting plate two (18) on one side and is fixed with a quick clamp connecting shaft on the other side; A quick clamping device two (4) is arranged at the connection position between the mounting plate one (17) and the large-arc side plate (12); A quick clamping device two (4) and a quick clamping device four (6) are arranged on one side of the large-arc side plate (12); the quick clamping device four (6) includes a quick clamp; the quick clamp is connected with a pressing block two (61) on one side; The inner guide sheet one (15) and the inner guide sheet two (16) are determined to be installed at positions by three sets of positioning mechanisms (7); the positioning mechanism (7) includes a positioning pin (71) and a positioning ring (72); the positioning ring (72) is sleeved on the positioning pin (71); the inner guide sheet one (15) and the inner guide sheet two (16) are fixed by a clamping plate (8).

2. The cutterhead shell welding fixture of claim 1, wherein, A U-shaped slot is formed in the upper end of the fixed plate (41); a flap (411) is connected to the U-shaped slot by a pin shaft; the flap (411) is used for pressing and fixing the upper end surface of the small-arc side plate (13).