CN217316611U

CN217316611U - Clamping tool capable of adjusting weld gap for brazing of air conditioner heat exchanger

Info

Publication number: CN217316611U
Application number: CN202123332388.XU
Authority: CN
Inventors: 谢光明; 左园园
Original assignee: Anhui Xinbai Electromechanical Equipment Engineering Co ltd
Current assignee: Anhui Xinbai Electromechanical Equipment Engineering Co ltd
Priority date: 2021-12-28
Filing date: 2021-12-28
Publication date: 2022-08-30
Anticipated expiration: 2031-12-28

Abstract

The application relates to a clamping tool capable of adjusting a weld gap for brazing of an air conditioner heat exchanger, which comprises a processing table, wherein the top of the processing table is fixedly connected with a supporting frame, and two sides of the inner side of the supporting frame are fixedly connected with driving mechanisms; the driving mechanism comprises a fixed plate, one side of the fixed plate is connected with a clamping rack in a sliding manner, and the top of the clamping rack is fixedly connected with a sliding rod; the two sliding rods penetrate through two sides of the top of the support frame through long grooves, the bottom of the machining table is fixedly connected with a driving motor, a driving rod penetrating through the machining table through a bearing sleeve is arranged on the inner side of the support frame, one end, located on the inner side of the support frame, of the driving rod is fixedly connected with a gear matched with the two clamping racks for use, and one ends, located on the top of the support frame, of the two sliding rods are fixedly connected with clamping mechanisms; this scheme need not artifical centre gripping work piece to whole process of brazing, labour saving and time saving avoids operating personnel to make the inaccurate welded effect of influence in clamping position because of the exhaustion, facilitates the use.

Description

Clamping tool capable of adjusting weld gap for brazing of air conditioner heat exchanger

Technical Field

The application relates to the technical field of brazing, in particular to a clamping tool capable of adjusting a weld gap for brazing of an air conditioner heat exchanger.

Background

Brazing, which is a welding method that after brazing filler metal lower than the melting point of a weldment and the weldment are heated to the melting temperature of the brazing filler metal at the same time, the liquid brazing filler metal is used for filling the gaps of solid workpieces to connect the metals. During brazing, an oxide film and oil stains on a contact surface of a base material are removed firstly, so that a capillary tube can play a role after the brazing filler metal is melted, and the wettability and the capillary fluidity of the brazing filler metal are improved. The brazing application range is wide, parts of the air conditioner heat exchanger can be welded by brazing in the machining process of the air conditioner heat exchanger, and when the parts of the air conditioner heat exchanger are brazed, a clamping tool is needed to clamp a workpiece.

At present, generally carry out the centre gripping through artifical handheld clamping tool to the work piece, and this centre gripping need last whole process of brazing, not only wastes time and energy, moreover, in long-time operation, operating personnel probably makes the clamping position inaccurate because of exhausting, and then influences welded effect, is not convenient for use. Therefore, the clamping tool capable of adjusting the gap of the weld for brazing the air conditioner heat exchanger is provided by the technical personnel in the field, so as to solve the problems in the background art.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems in the background art, the application provides a clamping tool capable of adjusting the gap of a welding seam for brazing of an air conditioner heat exchanger.

The application provides a pair of clamping tool who brazes with adjustable weld gap for air conditioner heat exchanger adopts following technical scheme:

a clamping tool capable of adjusting a weld gap for brazing of an air conditioner heat exchanger comprises a processing table, wherein the top of the processing table is fixedly connected with a supporting frame, and two sides of the inner side of the supporting frame are fixedly connected with driving mechanisms;

the driving mechanism comprises a fixed plate, one side of the fixed plate is connected with a clamping rack in a sliding manner, and the top of the clamping rack is fixedly connected with a sliding rod;

the two sliding rods penetrate through two sides of the top of the support frame through elongated slots, the two sliding rods are arranged diagonally, the bottom of the processing table is fixedly connected with a driving motor, a driving rod penetrating through the processing table through a bearing sleeve is arranged on the inner side of the support frame, the extending end of the driving rod is in transmission connection with an output shaft of the driving motor, one end of the driving rod, which is positioned on the inner side of the support frame, is fixedly connected with a gear matched with the two clamping racks for use, and one ends of the two sliding rods, which are positioned on the top of the support frame, are fixedly connected with clamping mechanisms;

the clamping mechanism comprises a mounting plate, one end of the bottom of the mounting plate is fixedly connected with one end of the sliding rod, a fixing frame is fixedly connected to the top of the mounting plate, an adjusting bolt penetrating through the top of the fixing frame is arranged at the top of the fixing frame, the extending end of the adjusting bolt is rotatably connected with a clamping plate, the clamping plate is connected with the inner side of the fixing frame in a sliding mode, and the adjusting bolt is connected with the fixing frame in a screwing mode.

Through adopting above-mentioned technical scheme, adjust the distance between two mounting panels according to the length of work piece, driving motor drives the gear through the actuating lever and carries out corotation or reversal, make two latch strips slide towards opposite direction, thereby adjust the distance between two mounting panels, adjust to suitable position after, put the work piece on the mount, utilize adjusting bolt and grip block to fix the work piece, need not artifical centre gripping to whole process of brazing, time saving and labor saving, avoid operating personnel to make the inaccurate welded effect of influence of clamping position because of the exhaustion of force, and is convenient for use.

Preferably, the gear is meshed with the two clamping racks, the driving motor is fixedly connected with the processing table through a bolt, the adjusting bolt is rotatably connected with the clamping plate through a rotating shaft, and the four corners of the bottom of the processing table are fixedly connected with supporting legs;

the driving mechanism further comprises a T-shaped groove, the T-shaped groove is formed in one side of the fixing plate, and a T-shaped plate matched with the T-shaped groove for use is fixedly connected to one side of the clamping rack bar.

Through adopting above-mentioned technical scheme, as the gliding mode of rack on the fixed plate of card for the slip of card rack is more stable, keeps the steady slip of horizontal direction.

Preferably, fixture still includes the spout, and the spout is seted up in inboard one side of mount, and one side fixedly connected with gag lever post of grip block, and be clearance fit between the one end of gag lever post and the inboard of spout, the mount is horizontal U type structure, the bottom and the arc form of grip block.

Through adopting above-mentioned technical scheme, as the gliding mode of grip block on the mount, avoid the grip block to take place the pivoted condition, make the grip block can keep vertical direction to move down.

Preferably, fixture still includes the gyro wheel, and the gyro wheel is provided with a plurality of, and a plurality of gyro wheel all installs in the bottom of mounting panel, and the outside of a plurality of gyro wheel all laminates with each other between the top of support frame.

Through adopting above-mentioned technical scheme, when the mounting panel removed, stability and holding power when improving the mounting panel and removing, the convenient more stable centre gripping to the work piece.

Preferably, the clamping mechanism further comprises a rocker, and one end of the rocker is fixedly connected with one end of the adjusting bolt.

By adopting the technical scheme, the adjusting bolt can be conveniently and manually rotated, the use is convenient, and the labor is saved.

To sum up, the application comprises the following beneficial technical effects:

1. through the cooperation between the support frame, the fixing plate, the clamping rack bar, the gear, the driving motor, the driving rod, the sliding rod, the elongated slot, the mounting plates, the fixing frame, the adjusting bolt and the clamping plate, firstly, the distance between the two mounting plates is adjusted according to the length of the workpiece, the driving motor is started, the driving motor drives the gear to rotate through the driving rod, the gear can drive the two clamping rack bars to move when rotating, the two clamping rack bars move towards opposite directions through forward rotation or reverse rotation of the gear, so that the distance between the two mounting plates is adjusted, after the proper distance is adjusted, the workpiece is placed on the fixing frame, the adjusting bolt is rotated, the adjusting bolt drives the clamping plate to move downwards, and then the workpiece is clamped and processed, so that the whole brazing process is not needed to be manually clamped, time and labor are saved, the phenomenon that the welding effect is influenced by inaccurate clamping position of an operator due to exhaustion is avoided, is convenient to use.

2. The idler wheels are arranged, when the mounting plate moves, the idler wheels move along with the mounting plate, stability and supporting force of the mounting plate are improved, and therefore clamping work on a workpiece is convenient and stable.

Drawings

FIG. 1 is a schematic front perspective view of a clamping tool for adjusting a gap between weld joints for brazing an air conditioner heat exchanger according to an embodiment of the present disclosure;

FIG. 2 is a schematic top perspective view of an adjustable weld gap clamping tool for brazing of an air conditioner heat exchanger according to an embodiment of the present disclosure;

FIG. 3 is a schematic bottom perspective view of a clamping tool for adjusting a gap between weld joints for brazing an air conditioner heat exchanger according to an embodiment of the present disclosure;

FIG. 4 is an enlarged view of the area A of FIG. 1 showing an adjustable weld gap for brazing an air conditioner heat exchanger according to an embodiment of the present application.

Description of reference numerals: 1. a processing table; 2. a support frame; 3. a drive mechanism; 301. a fixing plate; 302. a T-shaped groove; 303. a T-shaped plate; 304. a rack bar is clamped; 305. a slide bar; 4. a clamping mechanism; 401. mounting a plate; 402. a roller; 403. a fixed mount; 404. a limiting rod; 405. a chute; 406. adjusting the bolt; 407. a clamping plate; 408. a rocker; 5. a drive rod; 6. a gear; 7. a drive motor; 8. a long groove; 9. and (5) supporting legs.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses a clamping tool of adjustable weld gap for brazing of air conditioner heat exchanger. Referring to fig. 1-4, the clamping tool capable of adjusting the gap of the welding seam for the brazing of the air conditioner heat exchanger comprises a processing table 1, wherein the top of the processing table 1 is fixedly connected with a support frame 2, and two sides of the inner side of the support frame 2 are fixedly connected with driving mechanisms 3; the driving mechanism 3 comprises a fixed plate 301, one side of the fixed plate 301 is connected with a clamping rack 304 in a sliding manner, and the top of the clamping rack 304 is fixedly connected with a sliding rod 305; the two sliding rods 305 penetrate through two sides of the top of the support frame 2 through the long grooves 8, the two sliding rods 305 are arranged diagonally, the bottom of the processing table 1 is fixedly connected with a driving motor 7, the inner side of the support frame 2 is provided with a driving rod 5 penetrating through the processing table 1 through a bearing sleeve, the extending end of the driving rod 5 is in transmission connection with an output shaft of the driving motor 7, one end of the driving rod 5, which is positioned on the inner side of the support frame 2, is fixedly connected with a gear 6 matched with the two clamping racks 304 for use, and one ends of the two sliding rods 305, which are positioned on the top of the support frame 2, are fixedly connected with clamping mechanisms 4; the clamping mechanism 4 comprises a mounting plate 401, one end of the bottom of the mounting plate 401 is fixedly connected with one end of the sliding rod 305, a fixing frame 403 is fixedly connected to the top of the mounting plate 401, an adjusting bolt 406 penetrating through the top of the fixing frame 403 is arranged at the top of the fixing frame 403, the extending end of the adjusting bolt 406 is rotatably connected with a clamping plate 407, the clamping plate 407 is slidably connected with the inner side of the fixing frame 403, and the adjusting bolt 406 is rotatably connected with the fixing frame 403. The gear 6 is engaged with the two clamping racks 304, the driving motor 7 is fixedly connected with the processing table 1 through bolts, the adjusting bolt 406 is rotatably connected with the clamping plate 407 through a rotating shaft, and the four corners of the bottom of the processing table 1 are fixedly connected with supporting legs 9; the driving mechanism 3 further comprises a T-shaped groove 302, the T-shaped groove 302 is formed in one side of the fixing plate 301, and a T-shaped plate 303 matched with the T-shaped groove 302 is fixedly connected to one side of the latch bar 304. The clamping mechanism 4 further comprises a sliding groove 405, the sliding groove 405 is arranged on one side of the inner side of the fixing frame 403, a limiting rod 404 is fixedly connected to one side of the clamping plate 407, one end of the limiting rod 404 is in clearance fit with the inner side of the sliding groove 405, the fixing frame 403 is of a transverse U-shaped structure, and the bottom of the clamping plate 407 is arc-shaped. The clamping mechanism 4 further comprises a rocker 408, and one end of the rocker 408 is fixedly connected with one end of the adjusting bolt 406. Fixture 4 still includes gyro wheel 402, and gyro wheel 402 is provided with a plurality of, and a plurality of gyro wheel 402 all installs in the bottom of mounting panel 401, laminates each other between the outside of a plurality of gyro wheel 402 and the top of support frame 2.

Specifically, the distance between two mounting plates 401 is adjusted according to the length of a workpiece, a driving motor 7 is started, the driving motor 7 drives a gear 6 to rotate through a driving rod 5, the gear 6 can drive two clamping racks 304 to move when rotating, the two clamping racks 304 move in opposite directions through forward rotation or reverse rotation of the gear 6, a sliding rod 305 slides in a long groove 8 to drive the mounting plates 401 to move, when the mounting plates 401 move, a roller 402 moves along with the mounting plate, the stability and the supporting force of the mounting plates 401 when sliding are improved, the workpiece is better clamped, after the workpiece is adjusted to a proper distance, the workpiece is placed on a fixing frame 403, an adjusting bolt 406 is rotated through a rocker 408, the use is convenient and labor is saved, the adjusting bolt 406 drives a clamping plate 407 to move downwards, and meanwhile, a limiting rod 404 slides on the inner side of a sliding groove 405, keep grip block 407 to carry out moving down of vertical direction, more stable, then press from both sides tightly the work piece and process to need not artifical centre gripping to whole process of brazing, labour saving and time saving avoids operating personnel to make the inaccurate welded effect of influence of clamping position because of the exhaustion, facilitates the use.

The embodiment of the application provides a brazing of air conditioner heat exchanger is with clamping tool's of adjustable weld gap implementation principle does: firstly, the distance between two mounting plates 401 is adjusted according to the length of a workpiece, a driving motor 7 is started, the driving motor 7 drives a gear 6 to rotate through a driving rod 5, the gear 6 can drive two clamping racks 304 to move when rotating, the two clamping racks 304 move towards opposite directions through forward rotation or reverse rotation of the gear 6, a sliding rod 305 slides in an elongated slot 8 to drive the mounting plates 401 to move, so that the distance between the two mounting plates 401 is adjusted, the workpiece is placed on a fixing frame 403 after being adjusted to a proper distance, an adjusting bolt 406 is rotated, the adjusting bolt 406 drives a clamping plate 407 to move downwards, and then the workpiece is clamped for machining.

The above are preferred embodiments of the present application, and the scope of protection of the present application is not limited thereto, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides an air conditioner heat exchanger brazes with clamping tool of adjustable weld gap, includes processing platform (1), its characterized in that: the top of the processing table (1) is fixedly connected with a support frame (2), and two sides of the inner side of the support frame (2) are fixedly connected with driving mechanisms (3);

the driving mechanism (3) comprises a fixing plate (301), one side of the fixing plate (301) is connected with a clamping rack (304) in a sliding mode, and the top of the clamping rack (304) is fixedly connected with a sliding rod (305);

the two sliding rods (305) penetrate through two sides of the top of the support frame (2) through long grooves (8), the two sliding rods (305) are arranged diagonally, a driving motor (7) is fixedly connected to the bottom of the machining table (1), a driving rod (5) penetrating through the machining table (1) through a bearing sleeve is arranged on the inner side of the support frame (2), the extending end of the driving rod (5) is in transmission connection with an output shaft of the driving motor (7), a gear (6) matched with the two clamping racks (304) is fixedly connected to one end, located on the inner side of the support frame (2), of the driving rod (5), and a clamping mechanism (4) is fixedly connected to one end, located on the top of the support frame (2), of each sliding rod (305);

fixture (4) includes mounting panel (401), fixed connection between the bottom one end of mounting panel (401) and the one end of slide bar (305), the top fixedly connected with mount (403) of mounting panel (401), the top of mount (403) is equipped with adjusting bolt (406) that runs through mount (403) top, and the extension end of adjusting bolt (406) rotates and is connected with grip block (407) to sliding connection between the inboard of grip block (407) and mount (403), the spiral connection is connected between adjusting bolt (406) and mount (403).

2. The clamping tool capable of adjusting the weld gap for the brazing of the air conditioner heat exchanger as claimed in claim 1, wherein: the gear (6) is meshed with the two clamping racks (304), the driving motor (7) is fixedly connected with the processing table (1) through bolts, the adjusting bolt (406) is rotatably connected with the clamping plate (407) through a rotating shaft, and supporting legs (9) are fixedly connected at four corners of the bottom of the processing table (1);

actuating mechanism (3) still include T type groove (302), one side of fixed plate (301) is seted up in T type groove (302), one side fixedly connected with T template (303) that cooperation T type groove (302) used of card rack (304).

3. The clamping tool capable of adjusting the weld gap for the brazing of the air conditioner heat exchanger as claimed in claim 1, wherein: fixture (4) still include spout (405), inboard one side of mount (403) is seted up in spout (405), one side fixedly connected with gag lever post (404) of grip block (407), and be clearance fit between the inboard of the one end of gag lever post (404) and spout (405), mount (403) are horizontal U type structure, the bottom and the arc form of grip block (407).

4. The clamping tool capable of adjusting the weld gap for the brazing of the air conditioner heat exchanger as claimed in claim 1, wherein: the clamping mechanism (4) further comprises a plurality of rollers (402), the rollers (402) are arranged at the bottom of the mounting plate (401), and the outer sides of the rollers (402) are attached to the top of the support frame (2).

5. The clamping tool capable of adjusting the weld gap for the brazing of the air conditioner heat exchanger as claimed in claim 1, wherein: the clamping mechanism (4) further comprises a rocker (408), and one end of the rocker (408) is fixedly connected with one end of the adjusting bolt (406).