CN218362584U

CN218362584U - Circuit breaker contact welding jig

Info

Publication number: CN218362584U
Application number: CN202222216609.5U
Authority: CN
Inventors: 陈进荣; 张献木; 叶旭益
Original assignee: Yueqing Hongbei Intelligent Electric Co ltd
Current assignee: Yueqing Hongbei Intelligent Electric Co ltd
Priority date: 2022-08-22
Filing date: 2022-08-22
Publication date: 2023-01-24
Anticipated expiration: 2032-08-22

Abstract

The utility model discloses a circuit breaker contact welding fixture, which comprises a fixture seat and a supporting block fixedly arranged at the top of the fixture seat, wherein the left side of the supporting block is fixedly connected with a clamping block, a fixed block is also fixedly arranged on the fixture seat on the right side of the supporting block, and the left side of the fixed block is provided with a groove; the right side fixed mounting of fixed block has the installation shell, and fixed mounting has the push rod motor in the installation shell, the output fixedly connected with movable rod of push rod motor, and the left end activity of movable rod runs through to the recess in and fixedly connected with buffing pad. The utility model discloses in, not only be convenient for carry out the centre gripping to the circuit breaker contact, moreover through multiple buffer gear's cooperation, can make whole anchor clamps have good buffer function in the clamping process to prevent to appear because of the too big problem that leads to circuit breaker contact deformation or even damage of centre gripping dynamics in the welding clamping process, thereby be favorable to ensureing that the circuit breaker contact is in the intact of clamping process.

Description

Circuit breaker contact welding jig

Technical Field

The utility model relates to an anchor clamps technical field especially relates to a circuit breaker contact welding jig.

Background

A circuit breaker is a combination switch that can cut off the circuit to protect the circuit when the circuit fails. The electromagnetic system of the circuit breaker is provided with a movable contact and a fixed contact which can be used for connecting or breaking a circuit, and the movable contact and the fixed contact need to be welded with silver points with better electric conductivity in the processing process.

Conventional contacts are often transferred to various stations of an assembly machine by a fixture during a soldering process to perform silver point soldering. Traditional anchor clamps adopt the gripper jaw that can open and shut to come to carry out the centre gripping to the circuit breaker contact usually, nevertheless because do not have good buffer function among the prior art at clamping process, and then lead to the deformation of circuit breaker contact or even damage because of the centre gripping dynamics is too big easily in welding process, in order to solve above-mentioned problem, the utility model provides a circuit breaker contact welding jig.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the shortcoming that exists among the prior art, and the circuit breaker contact welding jig who proposes.

In order to realize the purpose, the utility model adopts the following technical scheme:

a welding fixture for a circuit breaker contact comprises a fixture seat and a supporting block fixedly mounted at the top of the fixture seat, wherein a clamping block is fixedly connected to the left side of the supporting block, a fixing block is fixedly mounted on the fixture seat on the right side of the supporting block, and a groove is formed in the left side of the fixing block; the right side of the fixed block is fixedly provided with an installation shell, a push rod motor is fixedly arranged in the installation shell, the output end of the push rod motor is fixedly connected with a movable rod, the left end of the movable rod movably penetrates into the groove and is fixedly connected with a buffer seat, a buffer mechanism is arranged on the buffer seat, and the left side of the buffer seat is connected with a clamping head through the buffer mechanism;

the buffer mechanism comprises a buffer cavity arranged on the buffer seat, a movable plate is movably arranged in the buffer cavity, connecting rods symmetrically arranged are fixedly connected to the left side of the movable plate, and the left ends of the connecting rods movably penetrate through the outside of the buffer seat and are fixedly connected with the clamping heads; a buffer spring sleeved on the connecting rod is fixedly connected between the clamping head and the buffer seat; and a buffer air bag is fixedly connected between the right side of the movable plate and the inner wall of the right side of the buffer cavity.

As the utility model discloses in further preferred, the buffering shell fragment that fixedly connected with symmetry set up between supporting head and the buffer seat, and the buffering shell fragment wholly is "Z" font structure.

As the utility model discloses in further preferred, be equipped with the movable hole on the left side inner wall of cushion chamber, and the connecting rod activity runs through in the movable hole.

As the utility model discloses in further preferred, the symmetry is provided with the slider on the fly leaf, and the symmetry is provided with the slide rail on the inner wall of cushion chamber, and slider slidable mounting is on the slide rail.

As the utility model discloses in further preferred, be equipped with the through hole on the right side inner wall of recess, and the activity of movable rod runs through in the through hole.

As the utility model discloses in further preferred, the movable rod specifically is the rectangle post, and fixed mounting has the direction sliding sleeve in the installation shell, and the movable rod slides along the horizontal direction and runs through in the direction sliding sleeve.

Compared with the prior art, the beneficial effects of the utility model are that:

1. according to the welding clamp for the circuit breaker contact, the movable rod, the buffer seat and the clamping head are pushed by the push rod motor to integrally move left, so that the circuit breaker contact can be clamped between the clamping head and the clamping block, and the circuit breaker contact can be conveniently used in subsequent welding;

2. when the clamp is subjected to overlarge clamping force during clamping of the contact of the circuit breaker, the clamping head can perform rightward buffering movement and perform compression buffering on the buffering elastic sheet and the buffering spring, so that a part of overlarge clamping force can be greatly counteracted through the buffering matching of the buffering elastic sheet and the buffering spring; meanwhile, the clamping head drives the movable plate to move leftwards through the connecting rod when performing buffering movement rightwards, and the movable plate also extrudes the buffering air bag when moving leftwards, so that a part of overlarge clamping force can be further consumed through air compression in the buffering air bag;

to sum up, the utility model provides a pair of circuit breaker contact welding jig is not only convenient for carry out the centre gripping to the circuit breaker contact, moreover through multiple buffer gear's cooperation, can make whole anchor clamps have good buffer function at the clamping process to prevent to appear because of the too big problem that leads to circuit breaker contact deformation or even damage of centre gripping dynamics in the welding clamping process, thereby be favorable to ensureing the intact of circuit breaker contact in clamping process.

Drawings

Fig. 1 is a schematic structural view of a welding fixture for a contact of a circuit breaker according to the present invention;

FIG. 2 is an enlarged schematic structural view of the portion A in FIG. 1 according to the present invention;

fig. 3 is a schematic structural view of the middle guide sliding sleeve of the present invention.

In the figure: 1. a clamp seat; 2. a clamping block; 3. a fixed block; 30. a groove; 31. a through hole; 4. mounting a shell; 5. a push rod motor; 6. a movable rod; 7. a buffer base; 70. a buffer chamber; 71. a connecting rod; 72. a buffering elastic sheet; 73. a buffer spring; 74. a movable plate; 75. a buffer air bag; 76. a slider; 77. a movable hole; 8. a clamping head; 9. a supporting block; 10. and (4) a guide sliding sleeve.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-3, the welding fixture for the contacts of the circuit breaker comprises a fixture seat 1 and a supporting block 9 fixedly installed at the top of the fixture seat 1, wherein a clamping block 2 is fixedly connected to the left side of the supporting block 9, a fixing block 3 is also fixedly installed on the fixture seat 1 on the right side of the supporting block 9, and a groove 30 is formed in the left side of the fixing block 3; a mounting shell 4 is fixedly mounted on the right side of the fixing block 3, a push rod motor 5 is fixedly mounted in the mounting shell 4, an output end of the push rod motor 5 is fixedly connected with a movable rod 6, the left end of the movable rod 6 movably penetrates into the groove 30 and is fixedly connected with a buffer seat 7, a buffer mechanism is arranged on the buffer seat 7, and the left side of the buffer seat 7 is connected with a clamping head 8 through the buffer mechanism;

the buffer mechanism comprises a buffer cavity 70 arranged on the buffer seat 7, a movable plate 74 is movably arranged in the buffer cavity 70, the left side of the movable plate 74 is fixedly connected with connecting rods 71 which are symmetrically arranged, and the left end of each connecting rod 71 movably penetrates through the outside of the buffer seat 7 and is fixedly connected with the clamping head 8; a buffer spring 73 sleeved on the connecting rod 71 is fixedly connected between the clamping head 8 and the buffer seat 7; a buffer air bag 75 is fixedly connected between the right side of the movable plate 74 and the right side inner wall of the buffer cavity 70. The utility model provides a pair of circuit breaker contact welding jig, not only be convenient for carry out the centre gripping to the circuit breaker contact, moreover through multiple buffer gear's cooperation, can make whole anchor clamps have good buffer function in the clamping process to prevent to appear because of the too big problem that leads to circuit breaker contact deformation or even damage of centre gripping dynamics in the welding clamping process, thereby be favorable to ensureing that the circuit breaker contact is in the intact of clamping process.

In this embodiment, the buffer elastic pieces 72 are symmetrically connected between the clamping head 8 and the buffer base 7, and the whole buffer elastic piece 72 is of a zigzag structure.

In this embodiment, a movable hole 77 is formed on the left inner wall of the buffer chamber 70, and the connecting rod 71 movably penetrates through the movable hole 77; the movable plate 74 is symmetrically provided with slide blocks 76, the inner wall of the buffer cavity 70 is symmetrically provided with slide rails, and the slide blocks 76 are slidably mounted on the slide rails; a through hole 31 is formed in the inner wall of the right side of the groove 30, and the movable rod 6 movably penetrates through the through hole 31.

In this embodiment, the movable rod 6 is specifically a rectangular column, a guide sliding sleeve 10 is fixedly installed in the installation shell 4, and the movable rod 6 slides along the horizontal direction to penetrate through the guide sliding sleeve 10.

The utility model provides a circuit breaker contact welding jig, when the centre gripping is used, promote movable rod 6 and buffer seat 7, clamping head 8 through push rod motor 5 and move to the left wholly, and then can be with circuit breaker contact centre gripping between clamping head 8 and clamp splice 2 for subsequent welding is used; moreover, the clamping head has a very good buffering function in the clamping process, when the clamping head is subjected to overlarge clamping force in the process of clamping the contact of the circuit breaker, the clamping head 8 can buffer and move rightwards and compress and buffer the buffering elastic sheet 72 and the buffering spring 73, so that a part of overlarge clamping force can be greatly counteracted through the buffering matching of the buffering elastic sheet 72 and the buffering spring 73; meanwhile, when the clamping head 8 performs rightward buffering movement, the movable plate 74 is driven to move leftwards through the connecting rod 71, and when the movable plate 74 moves leftwards, the buffer air bag 75 is pressed, so that a part of excessive clamping force can be further consumed through air compression in the buffer air bag 75; finally, the utility model discloses in, not only be convenient for carry out the centre gripping to the circuit breaker contact to subsequent welding is used, and through multiple buffer gear's cooperation moreover, makes whole anchor clamps have good buffer function at the clamping process, with prevent to appear because of the too big problem that leads to the deformation of circuit breaker contact or even damage easily of centre gripping dynamics in the welding clamping process, thereby is favorable to ensureing the intact of circuit breaker contact in clamping process.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A welding fixture for a contact of a circuit breaker comprises a fixture seat (1) and a supporting block (9) fixedly installed at the top of the fixture seat (1), and is characterized in that a clamping block (2) is fixedly connected to the left side of the supporting block (9), a fixing block (3) is also fixedly installed on the fixture seat (1) on the right side of the supporting block (9), and a groove (30) is formed in the left side of the fixing block (3); a mounting shell (4) is fixedly mounted on the right side of the fixed block (3), a push rod motor (5) is fixedly mounted in the mounting shell (4), the output end of the push rod motor (5) is fixedly connected with a movable rod (6), the left end of the movable rod (6) movably penetrates into the groove (30) and is fixedly connected with a buffer seat (7), a buffer mechanism is arranged on the buffer seat (7), and the left side of the buffer seat (7) is connected with a clamping head (8) through the buffer mechanism;

the buffer mechanism comprises a buffer cavity (70) arranged on the buffer seat (7), a movable plate (74) is movably mounted in the buffer cavity (70), the left side of the movable plate (74) is fixedly connected with symmetrically arranged connecting rods (71), and the left end of each connecting rod (71) movably penetrates through the outside of the buffer seat (7) and is fixedly connected with the clamping head (8); a buffer spring (73) sleeved on the connecting rod (71) is fixedly connected between the clamping head (8) and the buffer seat (7); a buffer air bag (75) is fixedly connected between the right side of the movable plate (74) and the right side inner wall of the buffer cavity (70).

2. The welding fixture for the contacts of the circuit breaker according to claim 1, wherein the buffer spring pieces (72) are symmetrically arranged and fixedly connected between the clamping head (8) and the buffer seat (7), and the whole buffer spring pieces (72) are of a Z-shaped structure.

3. The welding fixture for the contacts of the circuit breaker according to claim 1, wherein a movable hole (77) is formed on the left inner wall of the buffer chamber (70), and the connecting rod (71) movably penetrates through the movable hole (77).

4. The welding fixture for the contacts of the circuit breaker according to claim 1, wherein the movable plate (74) is symmetrically provided with sliding blocks (76), the inner wall of the buffer chamber (70) is symmetrically provided with sliding rails, and the sliding blocks (76) are slidably mounted on the sliding rails.

5. The welding fixture for the contacts of the circuit breaker according to claim 1, wherein a through hole (31) is formed in the right inner wall of the groove (30), and the movable rod (6) movably penetrates through the through hole (31).

6. The welding fixture for the contacts of the circuit breaker according to claim 1, wherein the movable rod (6) is a rectangular column, a guide sliding sleeve (10) is fixedly installed in the installation shell (4), and the movable rod (6) penetrates through the guide sliding sleeve (10) in a sliding manner along a horizontal direction.