Cab rack welding tool

Abstract

The utility model relates to the technical field of automobile part production, and discloses a cab rack welding tool which comprises a base, a base plate and a base plate. The limiting assembly comprises a first limiting plate and a second limiting plate; the adjusting structure comprises a sliding block, a rack, a thrust plate, a connecting block and a driving lead screw, the rack is fixedly arranged at the top of the cross arm, the thrust plate is elastically connected with the sliding block, the thrust plate can be clamped with the rack to lock the position of the sliding block, the thrust plate is slidably connected with the sliding block, and the thrust plate is separated from the rack by pushing the thrust plate upwards; further, the sliding block can slide along the rack, the position of the second limiting plate can be adjusted in a large range, the driving lead screw is rotated, the driving lead screw pushes the connecting block to slide, the position of the second limiting plate is finely adjusted, the characteristics of large-range rapid position adjustment and small-range fine position adjustment on the second limiting plate are achieved, and plate clamping is more convenient and efficient; the adaptability is higher, and actual production and application are facilitated.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of automobile accessory production, especially to a cab rack welding tool. BACKGROUND

[0002] Cab is formed by welding plates to each other, and the plates need to be positioned and clamped before welding.

[0003] The prior art discloses a large excavator cab frame splicing tool (publication number: CN216576293U), which comprises a bottom plate, two sides of the top of the bottom plate are welded with sliding rails, and the top of one of the sliding rails is fixed with a rack, the top of the bottom plate is slidably connected with a fixing mechanism at both ends, and the fixing mechanism comprises a mounting seat.

[0004] The prior art clamps the plates in two axial directions and welds to form a cab, and the clamping plate clamps the plates by means of a screw rod drive, and the screw rod drive needs to rotate several turns to push the clamping plate to the appropriate position during the loosening and tightening process. For example, when the cab is welded and formed, the distance between the clamping plate and the plate needs to be large enough to facilitate the transfer of the formed cab, and when the plate is clamped again, the distance between the clamping plates is large. At this time, the clamping plate driven by rotating the screw rod is inconvenient and cannot quickly adjust the position of the clamping plate to release the limiting of the plate.

[0005] Therefore, we propose a cab rack welding tool. UTILITY MODEL CONTENTS

[0006] The utility model mainly solves the technical problem that the position of the clamping plate is adjusted slowly and inconveniently, and provides a cab rack welding tool.

[0007] In order to achieve the above purpose, the utility model adopts the following technical scheme, a cab rack welding tool, comprising:

[0008] The base is movably provided with a cross beam on the top, and the cross beam is fixedly installed with a cross arm on one side,

[0009] The limiting assembly is arranged on the top surface of the cross arm for fixing the plate, and the limiting assembly comprises a first limiting plate and a second limiting plate, the second limiting plate is fixedly connected with the base, two second limiting plates are arranged on the top of the cross arm in a cross distribution, and the second limiting plate can abut against the two adjacent side walls of the first limiting plate to clamp the plate;

[0010] The adjusting structure is arranged between the cross arm and the second limiting plate and is used for adjusting the position of the second limiting plate, and the adjusting structure comprises a sliding block, a rack, a thrust plate, a connecting block and a driving lead screw, the rack is fixedly arranged at the top of the cross arm, the sliding block is capable of sliding along the rack, the thrust plate is elastically connected with the sliding block, the thrust plate is capable of clamping and locking the position of the sliding block with the rack, the thrust plate is slidingly connected with the sliding block, the second limiting plate is fixedly installed at the top of the connecting block, and the driving lead screw is rotationally connected with the sliding block and is threadedly connected with the connecting block.

[0011] As a preferred mode of the utility model, the first limiting plate forms a sector plate, the second limiting plate is a rectangular plate, two second limiting plates are respectively parallel to the two side walls of the first limiting plate, and the bottom of each second limiting plate is provided with the same adjusting structure.

[0012] As a preferred mode of the utility model, the adjusting structure further comprises a top groove and a guide groove, the top surface of the sliding block is provided with the top groove, the bottom of the sliding block is provided with the guide groove, the connecting block slides in the top groove, the rack is located in the guide groove, the thrust plate is slidingly connected with the guide groove, and the thrust plate is located above the rack.

[0013] As a preferred mode of the utility model, the connecting block forms a rectangular block structure, the top groove is used in cooperation with the connecting block, the side wall of the connecting block is provided with a threaded hole, and the driving lead screw is threadedly connected with the threaded hole of the connecting block.

[0014] As a preferred mode of the utility model, the guide groove forms a rectangular groove, the thrust plate forms a rectangular block with the same width as the guide groove, a spring is fixedly installed at the top of the thrust plate, toothed openings are uniformly formed in the bottom of the thrust plate, and the toothed openings are engaged with the rack.

[0015] As a preferred mode of the utility model, the adjusting structure further comprises an inner side groove and a lever, the lever is fixedly installed at the top of the thrust plate, the inner side groove is formed in the inner side wall of the sliding block, and the lever is slidingly connected with the inner side groove.

[0016] As a preferred mode of the utility model, the lever forms a rod body structure with an L-shaped horizontal section, one side of the lever extends to the thrust plate, and the bent part of the lever is located in the inner side groove.

[0017] The utility model provides a cab rack welding tool. Have following beneficial effect:

[0018] 1. The cab rack welding tool, by pushing the thrust plate, the thrust plate is separated from the rack, and then the sliding block can slide along the rack, the position of the second limiting plate is adjusted in a large range, the driving screw is rotated, the connecting block is pushed to slide by the driving screw, the position of the second limiting plate is finely adjusted, has the characteristics of large range quick adjustment and small range fine adjustment of the position of the second limiting plate, is more convenient and efficient when clamping the plate, has stronger adaptability, can quickly release the plate and facilitate the transfer of the welded cab, and facilitates the quick adjustment of the position of the second limiting plate and clamping the plate again, can improve the clamping efficiency, and is beneficial to actual production application.

[0019] 2. The cab rack welding tool, by driving the connecting block to slide in the top groove, the linear displacement of the second limiting plate is ensured, the guide groove can limit the vertical sliding of the thrust plate, and then the stability of the engagement of the thrust plate and the rack is ensured, the spring on the top surface of the thrust plate is matched, the locking of the thrust plate and the rack is convenient and more firm, and the locking after the large range adjustment of the position of the sliding block is more favorable.

[0020] 3. The cab rack welding tool, by setting the lever, the lever can be used to move the thrust plate upward to adjust the position of the sliding block, and simultaneously, the lever slides in the inner groove, can limit the thrust plate to prevent the thrust plate from falling off, is convenient to hold by hand and ensures the stability of the movement process of the thrust plate. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 It is a whole perspective view of the utility model;

[0022] Figure 2 It is a schematic view of the limiting assembly, the adjusting structure and the cross arm installation of the utility model;

[0023] Figure 3 It is a perspective view of the adjusting structure of the utility model;

[0024] Figure 4 It is a perspective view of the sliding block of the utility model;

[0025] Figure 5 It is a position schematic view of the thrust plate and the connecting block of the utility model.

[0026] Legend: 10, base; 11, cross arm; 12, first limiting plate; 13, second limiting plate; 20, sliding block; 21, rack; 22, thrust plate; 23, connecting block; 24, driving screw; 25, top groove; 26, guide groove; 27, inner groove; 28, lever. DETAILED DESCRIPTION

[0027] A cab rack welding tool, as shown in Figure 1 and Figure 2 , comprising:

[0028] The base 10, the top of the base 10 is movably provided with a cross beam, one side of the cross beam is fixedly provided with a cross arm 11,

[0029] The limiting assembly is arranged on the top surface of the cross arm 11 and is used for fixing the plates. The limiting assembly comprises a first limiting plate 12 and a second limiting plate 13. The second limiting plate 13 is fixedly connected with the base 10. Two second limiting plates 13 are arranged on the top of the cross arm 11 in a cross distribution. The second limiting plate 13 can abut against two adjacent side surfaces of the first limiting plate 12 to clamp the plates. Specifically, the two second limiting plates 13 are arranged on the left side and the front of the first limiting plate 12 respectively to clamp and limit the plates. The same first limiting plate 12 and second limiting plate 13 can be symmetrically arranged at the two ends of the cross arm 11. Two cross arms 11 are symmetrically arranged on the top of the base 10. Each cross arm 11 is provided with the same first limiting plate 12 and second limiting plate 13. Thus, four plates can be limited to form a frame. The joints of the plates can be exposed to facilitate welding. Manual welding can be used. In order to adjust the distance between the two cross arms 11, a lead screw and a motor can be arranged on one side of the base 10. The output shaft of the motor is fixedly connected with the lead screw. The lead screw is threadedly connected with the two cross arms 11. The lead screw is a bidirectional lead screw. The lead screw is rotatably connected with the base 10. The motor is fixedly arranged on the base 10. Details are not described herein.

[0030] As shown in Figure 2 , Figure 3 and Figure 4 and Figure 5 , the adjusting structure is arranged between the cross arm 11 and the second limiting plate 13 and is used for adjusting the position of the second limiting plate 13. The adjusting structure comprises a sliding block 20, a rack 21, a thrust plate 22, a connecting block 23 and a driving lead screw 24. The rack 21 is fixedly arranged on the top of the cross arm 11. The sliding block 20 can slide along the rack 21. The thrust plate 22 is elastically connected with the sliding block 20. The thrust plate 22 can be clamped and locked with the rack 21 to lock the position of the sliding block 20. The thrust plate 22 is slidably connected with the sliding block 20. The second limiting plate 13 is fixedly arranged on the top of the connecting block 23. The driving lead screw 24 is rotatably connected with the sliding block 20 and is threadedly connected with the connecting block 23. The first limiting plate 12 is a sector plate. The second limiting plate 13 is a rectangular plate. Two second limiting plates 13 are respectively parallel to the two side surfaces of the first limiting plate 12. The same adjusting structure is arranged on the bottom of each second limiting plate 13. In this scheme, the thrust plate 22 is pushed upward. The thrust plate 22 is separated from the rack 21. Thus, the sliding block 20 can slide along the rack 21. The position of the second limiting plate 13 can be widely adjusted. The driving lead screw 24 drives the connecting block 23 to slide. The position of the second limiting plate 13 can be finely adjusted. The adjusting structure has the characteristics of widely and quickly adjusting the position of the second limiting plate 13 and finely adjusting the position of the second limiting plate 13 in a small range. The plates can be clamped more conveniently and efficiently. The adjusting structure has stronger adaptability and is beneficial to practical production and application.

[0031] As Figure 4 shown, the adjusting structure further comprises a top groove 25 and a guide groove 26, the top surface of the sliding block 20 is provided with the top groove 25, the bottom of the sliding block 20 is provided with the guide groove 26, the connecting block 23 slides in the top groove 25, the rack 21 is located in the guide groove 26, the thrust plate 22 is in sliding connection with the guide groove 26, the thrust plate 22 is located above the rack 21, the connecting block 23 forms a rectangular block structure, the top groove 25 is used in cooperation with the connecting block 23, the side wall of the connecting block 23 is provided with a threaded hole, the drive screw 24 is in threaded connection with the threaded hole of the connecting block 23, the guide groove 26 forms a rectangular groove, the thrust plate 22 forms a rectangular block with the same width as the guide groove 26, the top of the thrust plate 22 is fixedly provided with a spring, the bottom of the thrust plate 22 is uniformly provided with a tooth opening, the tooth opening is engaged with the rack 21, the connecting block 23 is pushed to slide in the top groove 25 through the drive screw 24, thereby guaranteeing the linear displacement of the second limiting plate 13, while the guide groove 26 can limit the vertical sliding of the thrust plate 22, thereby guaranteeing the stability of the engagement between the thrust plate 22 and the rack 21, cooperating with the spring on the top surface of the thrust plate 22, so that the locking of the thrust plate 22 and the rack 21 is convenient and more firm, which is more beneficial to the locking after the large-range adjustment of the sliding block 20.

[0032] As Figure 4 and Figure 5 shown, the adjusting structure further comprises an inner groove 27 and a lever 28, the lever 28 is fixedly installed on the top of the thrust plate 22, the inner wall of the sliding block 20 is provided with the inner groove 27, the lever 28 is in sliding connection with the inner groove 27, the lever 28 forms a rod body structure with an L-shaped horizontal section, one side of the lever 28 extends to the thrust plate 22, the bent part of the lever 28 is located in the inner groove 27, as a supplementary description of the above scheme, by setting the lever 28, the position of the sliding block 20 can be adjusted by pushing the lever 28 to move the thrust plate 22 upwards, at the same time, the lever 28 slides in the inner groove 27, which can limit the thrust plate 22 to prevent the thrust plate 22 from falling off, facilitating the hand holding while guaranteeing the stability of the movement process of the thrust plate 22, the lever 28 is locked and fixed with the thrust plate 22 by bolts.

[0033] The utility model discloses a working principle: push the push rod 28 28 and move the position of sliding block 20 by the push of thrust plate 22, and the push rod 28 slides in the inside groove 27, can limit thrust plate 22 and prevent thrust plate 22 from falling off, and thrust plate 22 compresses spring, and thrust plate 22 is separated from rack 21, and then sliding block 20 can slide along rack 21, and the position of second limit board 13 is adjusted in a large range, and drive screw rod 24 is rotated, and drive screw rod 24 promotes the sliding of connecting block 23, and the position of second limit board 13 is adjusted in a fine way, realize the position of second limit board 13 is adjusted in a large range and fine adjustment position, and drive screw rod 24 promotes the sliding of connecting block 23 in top groove 25, and the linear displacement of second limit board 13 is guaranteed, and the vertical sliding of thrust plate 22 is limited in guide groove 26, and then the stability of rack 21 and thrust plate 22 is guaranteed, and after the release of push rod 28, spring promotes the downward movement of thrust plate 22 and the meshing of rack 21.

[0034] The basic principle and main features of the utility model and the advantages of the utility model are shown and described above. The skilled person in the art should understand that the utility model is not limited by the above-mentioned embodiments, and the above-mentioned embodiments and the description in the specification are only to illustrate the principle of the utility model, and various changes and improvements can be made to the utility model without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the utility model claimed. The scope of protection of the utility model is defined by the appended claims and their equivalents.

Claims

1. A welding fixture for a driver's cab frame, characterized in that, include: A base (10) is provided with a crossbeam on its top, and a crossbeam (11) is fixedly installed on one side of the crossbeam. A limiting component is provided on the top surface of the crossbeam (11) for fixing the plate. The limiting component includes a first limiting plate (12) and a second limiting plate (13). The second limiting plate (13) is fixedly connected to the base (10). Two second limiting plates (13) are provided on the top of the crossbeam (11) in a cross-shaped distribution. The second limiting plates (13) can abut against the adjacent side walls of the first limiting plate (12) to clamp the plate. An adjustment structure is set between the crossbeam (11) and the second limiting plate (13) to adjust the position of the second limiting plate (13). The adjustment structure includes a sliding block (20), a rack (21), a thrust plate (22), a connecting block (23), and a drive screw (24). The rack (21) is fixedly set on the top of the crossbeam (11). The sliding block (20) can slide along the rack (21). The thrust plate (22) is elastically connected to the sliding block (20). The thrust plate (22) can lock the position of the sliding block (20) with the rack (21). The thrust plate (22) is slidably connected to the sliding block (20). The second limiting plate (13) is fixedly installed on the top of the connecting block (23). The drive screw (24) is rotatably connected to the sliding block (20) and threadedly connected to the connecting block (23).

2. The cab frame welding fixture according to claim 1, characterized in that: The first limiting plate (12) forms a fan-shaped plate, and the second limiting plate (13) is a rectangular plate. The two second limiting plates (13) are parallel to the two side walls of the first limiting plate (12), and the bottom of each second limiting plate (13) is provided with the same adjustment structure.

3. The cab frame welding fixture according to claim 1, characterized in that: The adjustment structure also includes a top groove (25) and a guide groove (26). The top surface of the sliding block (20) has a top groove (25), and the bottom of the sliding block (20) has a guide groove (26). The connecting block (23) slides in the top groove (25), the rack (21) is located in the guide groove (26), the thrust plate (22) is slidably connected to the guide groove (26), and the thrust plate (22) is located above the rack (21).

4. The cab frame welding fixture according to claim 3, characterized in that: The connecting block (23) forms a rectangular block structure. The top groove (25) is used in conjunction with the connecting block (23). The side wall of the connecting block (23) is provided with a threaded hole. The drive screw (24) is threadedly connected to the threaded hole of the connecting block (23).

5. The cab frame welding fixture according to claim 3, characterized in that: The guide groove (26) forms a rectangular groove, and the thrust plate (22) forms a rectangular block with the same width as the guide groove (26). A spring is fixedly installed on the top of the thrust plate (22), and teeth are evenly opened on the bottom of the thrust plate (22), which mesh with the rack (21).

6. The cab frame welding fixture according to claim 1, characterized in that: The adjustment structure also includes an inner groove (27) and a lever (28). The lever (28) is fixedly installed on the top of the thrust plate (22). The inner wall of the sliding block (20) has an inner groove (27). The lever (28) is slidably connected to the inner groove (27).

7. The cab frame welding fixture according to claim 6, characterized in that: The lever (28) forms a rod structure with an L-shaped horizontal cross section. The lever (28) extends to one side of the thrust plate (22), and the bent part of the lever (28) is located in the inner groove (27).

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