Fixture for filament spot welding machine

Abstract

The utility model provides a clamp for a filament spot welding machine, belongs to the technical field of clamps, and aims to solve the problems that the other end of a filament needs to be fixed again after one end of the filament is welded, so that the operation procedures are increased, and the welding efficiency is reduced. A base is included; an adjusting seat is arranged in the base in a sliding manner through a dovetail groove; a driving assembly is fixedly arranged at the top of the adjusting seat, an adjusting structure is fixedly arranged at the top of the driving assembly, and a clamping assembly is fixedly arranged on the inner side of the adjusting structure; by arranging the pressing plates, the soft cushions and the clamping grooves, the two ends of the lamp filament to be welded, the current lead wire A and the current lead wire B can be pressed and fixed at the same time through the two L-shaped pressing plates and the soft cushions; meanwhile, the to-be-welded lamp filament can be turned by 180 degrees through mutual cooperation of a missing gear, a toothed plate and an air cylinder A, and after one end of the lamp filament is welded, the other end of the lamp filament can be rotated to the position under a spot welding gun to be welded; and the welding efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of clamp, more specifically, it is especially related to a clamp for filament spot welding machine. BACKGROUND

[0002] Bulb is the indispensable article in our daily life, usually by lamp holder, filament, glass shell and connecting wire is composed, need first through spot welding machine in the bulb production process to weld the filament and connecting wire together, need to use the clamp to fix it in the process of welding the filament and connecting wire.

[0003] At present the clamp for spot welding machine is usually fixed below the spot welding gun, and the existing spot welding machine can only spot weld one welding point at a time, thus causing the clamp for spot welding machine to clamp only one end of the filament at a time, and the other end of the filament needs to be fixed again after the welding of one end is finished, thus increasing the operation process and reducing the welding efficiency. UTILITY MODEL CONTENTS

[0004] In order to solve the above technical problems, the utility model provides a clamp for filament spot welding machine to solve the problem of increasing the operation process and reducing the welding efficiency when the other end of the filament needs to be fixed again after the welding of one end is finished in the above background technology.

[0005] The utility model discloses a clamp for filament spot welding machine, which is achieved by the following specific technical means:

[0006] A clamp for filament spot welding machine, comprising a base, an adjusting screw is rotatably arranged inside the base, a hand wheel is fixedly arranged at the top end of the adjusting screw, an adjusting seat is slidably arranged inside the base through a dovetail groove, and the adjusting seat is arranged outside the adjusting screw through threaded connection, a driving assembly is fixedly arranged at the top of the adjusting seat, an adjusting structure is fixedly arranged inside the driving assembly, and a clamping assembly is fixedly arranged inside the adjusting structure.

[0007] The driving assembly comprises a driving seat, a driving vertical shaft, a toothless gear and a ball, the driving seat is fixedly arranged at the top of the adjusting seat, the driving vertical shaft is rotatably arranged inside the driving seat, the toothless gear is fixedly arranged outside the driving vertical shaft, the toothless angle of the toothless gear is 180°, the ball is rotatably arranged inside the top side of the driving seat, and the ball is arranged in an annular array.

[0008] In at least some embodiments, the driving assembly further comprises a toothed plate, a cylinder A and a connecting plate, the toothed plate is slidably arranged inside the driving seat through a dovetail groove, and the toothed plate is engaged with the toothless gear, the cylinder A is fixed outside the driving seat, and the connecting plate is fixedly arranged between the extension end of the cylinder A and the end portion of the toothed plate.

[0009] In at least some embodiments, the adjusting structure comprises: a connecting seat, a cross frame, a double-headed screw rod and a sliding seat; the connecting seat is fixedly arranged at the top end of the driving vertical shaft, and the bottom of the connecting seat is in contact with the top of the ball; the cross frame is fixedly arranged at the top of the connecting seat, and a rib plate is arranged between the bottom of the cross frame and the outer side of the connecting seat, and the cross frame is symmetrically provided with two groups; the double-headed screw rod is rotatably arranged in one group of the cross frame, and a hand wheel is fixedly arranged at the top end of the double-headed screw rod; the sliding seat is slidably arranged in one group of the cross frame, and is connected to the outer side of the double-headed screw rod through threads, and the sliding seat is symmetrically provided with two groups.

[0010] In at least some embodiments, the adjusting structure further comprises: a guide rod and a guide seat; the guide rod is fixedly arranged in the other group of the cross frame; the guide seat is slidably arranged between the inner side of the cross frame and the outer side of the guide rod, and the guide seat is symmetrically provided with two groups.

[0011] In at least some embodiments, the adjusting structure further comprises: a fixed seat, a gas cylinder B, a guide vertical rod and a cross plate; the fixed seat is symmetrically fixedly arranged at the end of one group of the cross frame, and the fixed seat is provided with two groups; the gas cylinder B is fixedly arranged in one group of the fixed seat; the guide vertical rod is slidably arranged in the other group of the fixed seat; the cross plate is fixedly arranged between the telescopic end of the gas cylinder B and the top end of the guide vertical rod.

[0012] In at least some embodiments, the clamping assembly comprises: a clamping seat, a clamping groove, a fixed rod, a pressing plate and a soft pad; the clamping seat is fixedly arranged between the sliding seat and the guide seat, and the number of the clamping seat is two groups; the clamping groove is opened in the inner side of the top side of the clamping seat, and the clamping groove is provided in a cross shape; the fixed rod is fixedly arranged at the top of the clamping seat; the pressing plate is slidably arranged at the outer side of the fixed rod, and the pressing plate is slidably arranged at the outer side of the cross plate through a dovetail groove; the soft pad is fixedly arranged at the bottom of the pressing plate, and the soft pad is also slidably arranged at the outer side of the fixed rod, and the soft pad and the pressing plate are both provided in an L shape.

[0013] In at least some embodiments, the clamping assembly further comprises: a to-be-welded lamp filament, a current lead wire A, a current lead wire B and a lamp holder; the two ends of the to-be-welded lamp filament are movably arranged in the inner side of the clamping groove, and the top of the two ends of the to-be-welded lamp filament is in contact with the bottom of the soft pad; one end of the current lead wire A is movably arranged in the inner side of the clamping groove, and the top of the current lead wire A is in contact with the bottom of the soft pad; one end of the current lead wire B is movably arranged in the inner side of the clamping groove, and the top of the current lead wire B is in contact with the bottom of the soft pad; the end of the current lead wire B and the end of the current lead wire A are respectively in contact with the two ends of the to-be-welded lamp filament; the lamp holder is fixedly arranged between the end of the current lead wire B and the end of the current lead wire A.

[0014] Compared with the prior art, the adjusting structure has the following beneficial effects:

[0015] 1、In the utility model, through being provided with the pressing plate, the soft pad and the clamping groove, two groups of L-shaped pressing plate and soft pad can press and fix the two ends of the to-be-welded filament and the current leading wire A and the current leading wire B simultaneously, meanwhile, through the cooperation between the toothless gear, the toothed plate and the air cylinder A, the to-be-welded filament can be turned by 180 DEG, and then after the welding of one end of the filament is finished, the other end of the filament can be directly rotated to the position right below the spot welding gun for welding, which is favorable for simultaneously fixing the two ends of the filament and enhances the welding efficiency.

[0016] 2、In the utility model, through being provided with the adjusting screw and the adjusting seat, the adjusting seat can drive the driving seat to move horizontally, and then the filament end welding position can be adjusted to the position right below the spot welding gun according to the specific length of the filament, meanwhile, through the cooperation between the double-end screw, the sliding seat, the guide rod and the guide seat, the spacing between the two groups of clamping seats and the two groups of pressing plates can be adjusted, and then the filament of different lengths can be clamped and fixed, and the applicability of the spot welding machine clamp is enhanced.

[0017] 3、In the utility model, through the sliding connection between the horizontal plate and the pressing plate, on the basis of the spacing adjustment of the two groups of pressing plates, the two groups of pressing plates can be simultaneously moved up and down to press and fix the two ends of the filament, which lays a foundation for clamping and fixing the two ends of the filament of different lengths. ACCURACY OF DRAWINGS

[0018] Figure 1 It is the overall structure schematic view of the utility model.

[0019] Figure 2 It is the structure schematic view of the upper surface of the base of the utility model.

[0020] Figure 3 It is the connection structure schematic view of the adjusting structure and the clamping assembly of the utility model.

[0021] Figure 4 It is the structure schematic view of the clamping assembly of the utility model.

[0022] Figure 5 It is the upper surface structure schematic view of the clamping seat of the utility model.

[0023] Figure 6 It is the upper surface structure schematic view of the horizontal frame of the utility model.

[0024] In the drawing, the corresponding relationship between the component name and the drawing number is as follows:

[0025] 1, base; 101, adjusting screw; 102, adjusting seat;

[0026] 2, driving assembly; 201, driving seat; 202, driving vertical shaft; 203, toothless gear; 204, toothed plate; 205, air cylinder A; 206, connecting plate; 207, ball.

[0027] 3. Adjusting structure; 301. Adapter seat; 302. Cross frame; 303. Double-headed screw; 304. Sliding seat; 305. Guide rod; 306. Guide seat; 307. Fixed seat; 308. Cylinder B; 309. Guide vertical rod; 3010. Cross plate;

[0028] 4. Clamping assembly; 401. Clamping seat; 402. Clamping groove; 403. Fixed rod; 404. Pressing plate; 405. Soft pad; 406. To-be-welded filament; 407. Current lead A; 408. Current lead B; 409. Lamp holder. DETAILED DESCRIPTION

[0029] The embodiments of the utility model will be described in further detail below in combination with the drawings and examples.

[0030] Example one:

[0031] As shown in the accompanying Figure 1 to the accompanying Figure 6 :

[0032] The utility model provides a clamp for filament spot welding machine, including base 1, base 1 inside rotationally arranged adjusting screw 101, and adjusting screw 101 top end fixedly arranged hand wheel, base 1 inside is slidably arranged adjusting seat 102 through dovetail groove, and adjusting seat 102 is arranged on the outside of adjusting screw 101 through screw connection, adjusting seat 102 top fixedly arranged drive assembly 2, and drive assembly 2 top fixedly arranged adjusting structure 3, and adjusting structure 3 inboard fixedly arranged clamping assembly 4,

[0033] In the embodiment of the present disclosure, the drive assembly 2 comprises: a drive seat 201, a drive vertical shaft 202, a missing tooth gear 203, a toothed plate 204, a cylinder A 205, a connecting plate 206 and a ball 207; the drive seat 201 is fixedly arranged on the top of the adjusting seat 102; the drive vertical shaft 202 is rotatably arranged in the drive seat 201; the missing tooth gear 203 is fixedly arranged on the outside of the drive vertical shaft 202, and the missing tooth angle of the missing tooth gear 203 is set to 180°; the toothed plate 204 is slidably arranged in the inside of the drive seat 201 through the dovetail groove, and the toothed plate 204 is engaged with the missing tooth gear 203; the cylinder A 205 is fixed on the outside of the drive seat 201; the connecting plate 206 is fixedly arranged between the telescopic end of the cylinder A 205 and the end of the toothed plate 204; the ball 207 is rotatably arranged in the inside of the top side of the drive seat 201, and the ball 207 is arranged in an annular array; the specific function is: by the mutual cooperation between the missing tooth gear 203, the toothed plate 204 and the cylinder A 205, the to-be-welded filament 406 can be adjusted by 180°, and then after the welding of one end of the filament is completed, the other end of the filament can be directly rotated to the position directly below the spot welding gun for welding.

[0034] Example two:

[0035] As attached Figure 3 With appendix Figure 6 As shown: Based on Embodiment 1, the adjustment structure 3 includes: a connecting seat 301, a crossbeam 302, a double-ended screw 303, a sliding seat 304, a guide rod 305, a guide seat 306, a fixed seat 307, a cylinder B308, a guide vertical rod 309, and a horizontal plate 3010; the connecting seat 301 is fixedly mounted on the top of the drive vertical shaft 202, and the bottom of the connecting seat 301 is in contact with the top of the ball 207; the crossbeam 302 is fixedly mounted on the top of the connecting seat 301, and a rib is provided between the bottom of the crossbeam 302 and the outer side of the connecting seat 301, and two sets of crossbeams 302 are symmetrically arranged; the double-ended screw 303 is rotatably mounted inside one set of crossbeams 302, and a handwheel is fixedly mounted on the top of the double-ended screw 303; the sliding seat 304 is slidably mounted inside one set of crossbeams 302, and the sliding seat 304 is threadedly connected to the double-ended screw. Two sets of sliding seats 304 are symmetrically arranged on the outer side of rod 303; guide rod 305 is fixedly arranged inside another set of crossbeams 302; guide seat 306 is slidably arranged between the inner side of crossbeam 302 and the outer side of guide rod 305, and two sets of guide seats 306 are symmetrically arranged; fixed seat 307 is symmetrically fixedly arranged at the end of one set of crossbeams 302, and two sets of fixed seat 307 are arranged; cylinder B308 is fixedly arranged inside one set of fixed seat 307; guide vertical rod 309 is slidably arranged inside another set of fixed seat 307; horizontal plate 3010 is fixedly arranged between the telescopic end of cylinder B308 and the top end of guide vertical rod 309; its specific function is: by using double-ended screw 303 and sliding seat 304 in conjunction with guide rod 305 and guide seat 306, the distance between the two sets of clamping seats 401 and the two sets of pressure plates 404 can be adjusted.

[0036] Example 3:

[0037] As attached Figure 3 To be continued Figure 6As shown: on the basis of example one and example two, the clamping assembly 4 comprises: a clamping seat 401, a clamping groove 402, a fixing rod 403, a pressing plate 404, a soft pad 405, a to-be-welded filament 406, a current lead wire A 407, a current lead wire B 408 and a lamp holder 409; the clamping seat 401 is fixedly arranged between the sliding seat 304 and the guide seat 306, and the number of the clamping seat 401 is two groups; the clamping groove 402 is arranged in the inner top side of the clamping seat 401, and the clamping groove 402 is arranged in a cross shape; the fixing rod 403 is fixedly arranged on the top of the clamping seat 401; the pressing plate 404 is slidingly arranged outside the fixing rod 403, and the pressing plate 404 is slidingly arranged outside the horizontal plate 3010 through a dovetail groove; the soft pad 405 is fixedly arranged on the bottom of the pressing plate 404, and the soft pad 405 is also slidingly arranged outside the fixing rod 403, and the soft pad 405 and the pressing plate 404 are both arranged in an L shape; the to-be-welded filament 406 is movably arranged at both ends inside the clamping groove 402, and the top of both ends of the to-be-welded filament 406 is in contact with the bottom of the soft pad 405; one end of the current lead wire A 407 is movably arranged inside the clamping groove 402, and the top of the current lead wire A 407 is in contact with the bottom of the soft pad 405; one end of the current lead wire B 408 is movably arranged inside the clamping groove 402, and the top of the current lead wire B 408 is in contact with the bottom of the soft pad 405; the ends of the current lead wire B 408 and the current lead wire A 407 are respectively in contact with both ends of the to-be-welded filament 406; the lamp holder 409 is fixedly arranged between the ends of the current lead wire B 408 and the current lead wire A 407; and the specific function is that: through the arrangement of the pressing plate 404, the soft pad 405 and the clamping groove 402, the two groups of L-shaped pressing plates 404 and soft pads 405 can simultaneously press and fix the two ends of the to-be-welded filament 406 and the current lead wire A 407 and the current lead wire B 408.

[0038] The specific use and effect of the embodiment are as follows:

[0039] In this invention, the base 1 is fixed in a designated position during use; the double-ended screw 303 is rotated, and the double-ended screw 303 drives the two sets of clamping seats 401 to move simultaneously in opposite directions via the guide rod 305, guide seat 306, and sliding seat 304; this adjusts the distance between the two sets of clamping seats 401, and simultaneously the clamping seats 401 drive the pressure plate 404 to slide horizontally on the outside of the horizontal plate 3010 via the fixing rod 403; the filament 406 to be welded is placed in the two sets of clamping seats 401. The welding process is as follows: The two ends of the filament 406 to be welded are positioned inside the clamping groove 402. Then, current leads A407 and B408 are placed inside the clamping grooves 402 at the top of the two sets of clamping seats 401, respectively, so that current leads A407 and B408 are respectively in contact with the two ends of the filament 406 to be welded. The cylinder B308 is activated, and the cylinder B308 drives the horizontal plate 3010 downwards via the guide rod 309. The horizontal plate 3010 then drives the two sets of pressure plates 404 to move downwards. The device moves downwards, causing the two sets of L-shaped pressure plates 404 to press and fix the two ends of the filament 406 to be welded to the current lead wire A407 and the current lead wire B408 respectively through the bottom soft pad 405 and the clamping groove 402; rotating the adjusting screw 101 causes the adjusting screw 101 to drive the drive seat 201 to move horizontally through the adjusting seat 102, so that the welding position of one end of the filament 406 to be welded is directly below the spot welding gun of the spot welding machine; the spot welding gun of the spot welding machine is used to connect one end of the filament 406 to the current lead wire B408. The end of the current lead wire A407 is welded and fixed; then the cylinder A205 is started, and the cylinder A205 drives the toothed plate 204 to slide horizontally through the connecting plate 206. The toothed plate 204 drives the vertical shaft 202 to rotate 180° through the missing gear 203; so that the welding position of the other end of the filament 406 to be welded reaches directly below the spot welding gun of the spot welding machine; the spot welding gun of the spot welding machine is used to weld and fix one end of the filament 406 to be welded to the end of the current lead wire B408, so that the welding of the filament 406 to be welded is completed.

Claims

1. A fixture for a hot-wire spot welder, characterized by, include: A base (1); an adjusting screw (101) is rotatably provided inside the base (1), and a handwheel is fixedly provided at the top of the adjusting screw (101); an adjusting seat (102) is slidably provided inside the base (1) through a dovetail groove, and the adjusting seat (102) is provided on the outside of the adjusting screw (101) through a threaded connection; a driving assembly (2) is fixedly provided at the top of the adjusting seat (102), and an adjusting structure (3) is fixedly provided at the top of the driving assembly (2), and a clamping assembly (4) is fixedly provided inside the adjusting structure (3); The drive assembly (2) includes: a drive base (201), a drive vertical shaft (202), a gear (203), and a ball bearing (207); The drive seat (201) is fixedly installed on the top of the adjustment seat (102); the drive vertical shaft (202) is rotatably installed inside the drive seat (201); the missing gear (203) is fixedly installed on the outside of the drive vertical shaft (202), and the missing tooth angle of the missing gear (203) is set to 180°; the ball bearings (207) are rotatably installed inside the top side of the drive seat (201), and the ball bearings (207) are arranged in a ring array.

2. A fixture for a hot-wire spot welder according to claim 1, characterized in that: The drive assembly (2) further includes: a toothed plate (204), a cylinder A (205), and a connecting plate (206); the toothed plate (204) is slidably disposed on the inner side of the drive seat (201) through a dovetail groove, and the toothed plate (204) meshes with the missing gear (203); the cylinder A (205) is fixed on the outer side of the drive seat (201); the connecting plate (206) is fixedly disposed between the telescopic end of the cylinder A (205) and the end of the toothed plate (204).

3. A fixture for a hot-wire spot welder as defined in claim 1, wherein: The adjustment structure (3) includes: a connecting seat (301), a crossbeam (302), a double-ended screw (303), and a sliding seat (304); the connecting seat (301) is fixedly installed on the top of the drive vertical shaft (202), and the bottom of the connecting seat (301) is in contact with the top of the ball (207); the crossbeam (302) is fixedly installed on the top of the connecting seat (301), and a rib is provided between the bottom of the crossbeam (302) and the outer side of the connecting seat (301), and two sets of crossbeams (302) are symmetrically arranged; the double-ended screw (303) is rotatably installed inside one set of crossbeams (302), and a handwheel is fixedly installed on the top of the double-ended screw (303); the sliding seat (304) is slidably installed inside one set of crossbeams (302), and the sliding seat (304) is connected to the outer side of the double-ended screw (303) by a thread.

4. A fixture for a hot-wire spot welder according to claim 3, wherein: The adjustment structure (3) further includes: a guide rod (305) and a guide seat (306); the guide rod (305) is fixedly installed inside another set of crossbeams (302); the guide seat (306) is slidably installed between the inner side of the crossbeam (302) and the outer side of the guide rod (305), and the guide seat (306) and the sliding seat (304) are symmetrically arranged in two sets.

5. A fixture for a hot-wire spot welder according to claim 4, wherein: The adjusting structure (3) further comprises a fixed seat (307), a cylinder B (308), a guide vertical rod (309) and a cross plate (3010); the fixed seat (307) is symmetrically fixed to the end of a set of cross frames (302), and the fixed seat (307) is provided with two sets; the cylinder B (308) is fixedly arranged in a set of fixed seats (307); the guide vertical rod (309) is slidingly arranged in another set of fixed seats (307); and the cross plate (3010) is fixedly arranged between the telescopic end of the cylinder B (308) and the top end of the guide vertical rod (309).

6. A fixture for a hot-wire spot welder according to claim 5, wherein: The clamping assembly (4) comprises a clamping seat (401), a clamping groove (402), a fixed rod (403), a pressing plate (404) and a soft pad (405); the clamping seat (401) is fixedly arranged between the sliding seat (304) and the guide seat (306), and the clamping seat (401) is provided in two sets; the clamping groove (402) is arranged in the top side of the clamping seat (401), and the clamping groove (402) is provided in a cross shape; the fixed rod (403) is fixedly arranged on the top of the clamping seat (401); the pressing plate (404) is slidingly arranged outside the fixed rod (403), and the pressing plate (404) is slidingly arranged outside the cross plate (3010) through the dovetail groove; the soft pad (405) is fixedly arranged on the bottom of the pressing plate (404), and the soft pad (405) is also slidingly arranged outside the fixed rod (403), and the soft pad (405) and the pressing plate (404) are both provided in an L shape.

7. A fixture for a hot-wire spot welder according to claim 6, wherein: The clamping assembly (4) further comprises a to-be-welded filament (406), a current lead wire A (407), a current lead wire B (408) and a lamp holder (409); the two ends of the to-be-welded filament (406) are movably arranged inside the clamping groove (402), and the top of the two ends of the to-be-welded filament (406) is in contact with the bottom of the soft pad (405); one end of the current lead wire A (407) is movably arranged inside the clamping groove (402), and the top of the current lead wire A (407) is in contact with the bottom of the soft pad (405); one end of the current lead wire B (408) is movably arranged inside the clamping groove (402), and the top of the current lead wire B (408) is in contact with the bottom of the soft pad (405); the ends of the current lead wire B (408) and the current lead wire A (407) are respectively in contact with the two ends of the to-be-welded filament (406); and the lamp holder (409) is fixedly arranged between the ends of the current lead wire B (408) and the current lead wire A (407).

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