CN220993291U

CN220993291U - Relay welding jig

Info

Publication number: CN220993291U
Application number: CN202322604612.9U
Authority: CN
Inventors: 谭智贤
Original assignee: Shenzhen Linshuo Technology Co ltd
Current assignee: Shenzhen Linshuo Technology Co ltd
Priority date: 2023-09-25
Filing date: 2023-09-25
Publication date: 2024-05-24
Anticipated expiration: 2033-09-25

Abstract

The utility model relates to the field of clamps, in particular to a relay welding clamp which comprises a bottom plate, wherein the middle part of the bottom plate is a clamping position; the short-side sliding block is arranged on the bottom plate and can slide on the bottom plate along a first direction; the short-side positioning rod is vertically arranged on the top surface of the short-side sliding block; the pressure spring is arranged between the short-side sliding block and the structural member and is used for continuously providing horizontal pressure towards the clamping position for the short-side sliding block in the first direction; the guide mechanism is arranged on the bottom plate and provided with a sliding part capable of moving along a second direction in a horizontal plane; the long-side sliding block is slidably arranged on the sliding part of the guide mechanism; the long-side positioning rod is fixedly connected with the long-side sliding block and extends vertically, and the two ends of the long-side positioning rod extend out of the top surface and the bottom surface of the long-side sliding block; the two ends of the tension spring are respectively connected with the long-side sliding block and the bottom plate, and the tension spring is used for continuously providing horizontal tension to the long-side sliding block in the second direction towards the clamping position; the short-side sliding block is provided with a trapezoidal hollow, and the lower part of the long-side positioning rod is provided with the trapezoidal hollow.

Description

Relay welding jig

Technical Field

The utility model relates to the field of clamps, in particular to a relay welding clamp.

Background

With the rapid development of technology, the use of high-voltage dc relays is increasing, and the importance of welding jigs, which is a device for clamping and fixing workpieces during welding, plays an important role in various manufacturing and processing fields. The main aim of the welding fixture is to ensure the accuracy, stability and safety of the welding process and realize high-quality welding results.

The existing clamp is generally positioned by four outer edges of a product, a concave position matched with the outer frame edge of the product is directly processed on the clamp, and in order to ensure welding precision, the clamp is very small, so that the clamp is only suitable for manual feeding and discharging, when the product is not put in place, a human hand can adjust the clamp, when full-automatic production is to be realized, the clamp is unsuitable, the positioning precision of the whole logistics is required, the feeding and discharging precision of a robot is very high, and a new clamping system is provided for the situation.

Disclosure of utility model

In order to solve the problems, the utility model provides a relay welding fixture which can realize synchronous clamping or synchronous opening of the relay in the width direction of the length through a single power end.

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

a welding fixture for a relay,

The middle part of the bottom plate is a clamping position, and the bottom plate comprises a structural member;

a short-side slider mounted on the base plate and slidable on the base plate in a first direction, one side of the short-side slider being opposite to the structural member in the first direction;

the short-side positioning rod is vertically arranged on the top surface of the short-side sliding block;

The pressure spring is arranged between the short-side sliding block and the structural member and is used for continuously providing horizontal pressure towards the clamping position for the short-side sliding block in the first direction;

A guide mechanism mounted on the base plate and having a sliding portion movable in a second direction in a horizontal plane, the second direction being perpendicular to the first direction;

The long-side sliding block is slidably arranged on the sliding part of the guide mechanism;

the long-side positioning rod is fixedly connected with the long-side sliding block and extends vertically, and the two ends of the long-side positioning rod extend out of the top surface and the bottom surface of the long-side sliding block;

The two ends of the tension spring are respectively connected with the long-side sliding block and the bottom plate, and the tension spring is used for continuously providing horizontal tension to the long-side sliding block towards the clamping position in the second direction;

the short-side sliding block is provided with a trapezoid hollow, and the lower part of the long-side positioning rod is provided with the trapezoid hollow.

Preferably, the long-side positioning rod and the trapezoid hollow are two groups.

Preferably, the bottom plate is further provided with a driving device for driving the short-side sliding block to move towards the structural member.

Preferably, the driving means is a wedge having a wedge surface contacting the short-side slider.

The beneficial effects of using the utility model are as follows:

The device pushes the short-side sliding block to overcome the elastic force provided by the pressure spring, so that the short-side sliding block and the short-side positioning rod can move along the direction of the clamping position in a back-to-back manner along the first direction, and in the moving process of the short-side sliding block, the short-side sliding block is matched with the lower section of the long-side positioning rod through the inclined plane hollowed in a trapezoid manner, so that the long-side sliding block can be driven to move back to the clamping position against the tensile force of the tension spring, and the open state of the clamp is formed; the opposite short-side sliding blocks and the long-side sliding blocks can synchronously move towards the clamping position, so that the short-side positioning rods and the long-side positioning rods synchronously move towards the clamping position, and a clamp clamping state is formed. The clamp is ingenious in design, low in cost and very suitable for relay welding processing.

Drawings

Fig. 1 is an isometric schematic view of a relay welding fixture.

Fig. 2 is a schematic diagram of the trapezoidal hollows and the long side locating rods.

The reference numerals include:

The device comprises a base plate 1, a structural member 11, a guiding mechanism 12, a wedge block 2, a wedge surface 21, a short-side sliding block 3, a short-side positioning rod 31, a trapezoidal hollow 32, a pressure spring 4, a long-side sliding block 5, a long-side positioning rod 51 and a tension spring 6.

Detailed Description

In order to make the objects, technical solutions and advantages of the present technical solution more apparent, the present technical solution is further described in detail below in conjunction with the specific embodiments. It should be understood that the description is only illustrative and is not intended to limit the scope of the present technical solution.

As shown in fig. 1 and 2, the present embodiment proposes a relay welding fixture, including a base plate 1, wherein a middle part of the base plate 1 is a clamping position, and the base plate 1 includes a structural member 11; a short-side slider 3 mounted on the base plate 1 and slidable on the base plate 1 in a first direction, one side of the short-side slider 3 being opposite to the structural member 11 in the first direction; the short-side positioning rod 31 is vertically arranged on the top surface of the short-side sliding block 3; a compression spring 4, disposed between the short-side slider 3 and the structural member 11, the compression spring 4 being configured to continuously provide a horizontal pressure to the short-side slider 3 in a first direction toward the clamping position; a guide mechanism 12 mounted on the base plate 1 and having a sliding portion movable in a second direction in a horizontal plane, the second direction being perpendicular to the first direction; a long-side slider 5 slidably mounted on a sliding portion of the guide mechanism 12; the long-side positioning rod 51 is fixedly connected with the long-side sliding block 5 and extends vertically, and the two ends of the long-side positioning rod 51 extend out of the top surface and the bottom surface of the long-side sliding block 5; the two ends of the tension spring 6 are respectively connected with the long-side sliding block 5 and the bottom plate 1, and the tension spring 6 is used for continuously providing horizontal tension to the long-side sliding block 5 towards the clamping position in the second direction; the short-side sliding block 3 is provided with a trapezoid hollow 32, and the lower part of the long-side positioning rod 51 is provided with the trapezoid hollow 32.

Preferably, the base plate 1 is further provided with a driving device for driving the short-side slider 3 to move toward the structural member 11. The drive means is a wedge 2, which wedge 2 has a wedge surface 21 in contact with the short-side slide 3. In this embodiment, a through hole is formed in the bottom plate 1, the through hole is formed in the outer side, close to the short-side sliding block 3, in the first direction, of the through hole, an air cylinder is arranged at the bottom of the through hole, the extending end of the air cylinder is upwards, the extending end of the air cylinder is connected with the wedge block 2, a wedge surface 21 of the wedge block 2 is always in contact with the short-side sliding block 3, and when the wedge block 2 moves upwards, the wedge surface 21 of the wedge block 2 can be in contact with the short-side sliding block 3, so that the short-side sliding block 3 moves in the first direction and presses the pressure spring 4.

The device pushes the short-side sliding block 3 to overcome the elastic force provided by the pressure spring 4, so that the short-side sliding block 3 and the short-side positioning rod 31 can move along the first direction back to the clamping position, and in the moving process of the short-side sliding block 3, the short-side sliding block 3 is matched with the lower section of the long-side positioning rod 51 through the inclined plane of the trapezoid hollow 32, and the long-side sliding block 5 can be driven to move back to the clamping position against the tensile force of the tension spring 6, so that the clamp is in an open state; the opposite short-side slider 3 and long-side slider 5 can move synchronously to the clamping position, and further the short-side positioning rod 31 and long-side positioning rod 51 can move synchronously to the clamping position, so that the clamping state of the clamp is formed. The clamp is ingenious in design, low in cost and very suitable for relay welding processing.

In order to facilitate the stable clamping of the relay in the second direction, two groups of long-side positioning rods 51 and trapezoidal hollows 32 are provided. The guide mechanism 12 is preferably a cross-rail.

The foregoing is merely exemplary of the present utility model, and those skilled in the art can make many variations in the specific embodiments and application scope according to the spirit of the present utility model, as long as the variations do not depart from the spirit of the utility model.

Claims

1. A relay welding jig, its characterized in that: comprising

2. The relay welding fixture of claim 1, wherein: the long-side positioning rod and the trapezoid hollow are provided with two groups.

3. The relay welding fixture of claim 1, wherein: the bottom plate is also provided with a driving device for driving the short-side sliding block to move towards the structural member.

4. A relay welding jig according to claim 3, wherein: the driving means is a wedge having a wedge surface in contact with the short-side slide.