Upper cover plate welding clamp

Abstract

The utility model discloses an upper cover plate welding fixture which comprises a mounting plate, sliding rails, sliding blocks, guide rods, positioning bolts and anti-tilting fixtures, the sliding rails are arranged on the two sides of the mounting plate, the multiple guide rods are arranged between the two sliding rails and are perpendicular to the sliding rails on the two sides, the movable anti-tilting fixtures are symmetrically arranged at the two ends of each guide rod, and the positioning bolts are arranged on the sliding blocks. The moving path of the anti-warping clamp is perpendicular to the sliding rails, the two ends of the guide rod are fixedly connected with sliding blocks sliding along the sliding rails on the two sides, and positioning bolts used for limiting sliding of the sliding blocks are arranged at the tops of the sliding blocks. When upper cover plates of different shapes are clamped, the transverse clamping position can be changed by sliding the sliding blocks at the two ends of the guide rod, the longitudinal clamping position can be changed by sliding the anti-warping clamp along the guide rod, and the clamping angle of the anti-warping clamp can be changed by rotating the lower clamping jaw. The clamping positions of the upper clamping jaw and the lower clamping jaw are the same in structure and are both U-shaped clamping openings, and the welding positions are located in the middles of the U-shaped clamping openings, so that metal plates at welding points are prevented from tilting.

Description

Technical Field

[0001] The utility model relates to the technical field of welding jigs, in particular to an upper cover plate welding jig. Background Art

[0002] The upper cover plate is formed by resistance welding of two stacked sheet metal parts. At present, the welding jig used for the upper cover plate can only clamp and fix the upper cover plate with a fixed shape, and cannot clamp the upper cover plate with different shapes, which reduces the practicability of the jig. And the existing jig applies pressure at a single point by the clamping jaws. Since the sheet metal parts used for the upper cover plate are relatively thin, the sheet metal parts are prone to warping after the pressure is applied, and the welding points on both sides of the clamping position are prone to warping, which is likely to cause false soldering and affect the welding quality during welding. Therefore, an upper cover plate welding jig is designed to solve the above problems. Summary of the Utility Model

[0003] Aiming at the deficiencies of the existing welding jigs, the purpose of the utility model is to provide an upper cover plate welding jig, which has the advantages of improving the versatility of the jig and preventing the sheet metal at the welding position from warping.

[0004] To achieve the above object, a technical solution adopted by the utility model is: an upper cover plate welding jig, including a mounting plate, slide rails, sliders, guide rods, positioning bolts and anti-warping jigs. The two sides of the mounting plate are provided with slide rails. A plurality of guide rods are arranged between the two slide rails. The guide rods are perpendicular to the slide rails on both sides. Movable anti-warping jigs are symmetrically arranged at both ends of the guide rods. The moving path of the anti-warping jigs is perpendicular to the slide rails. Both ends of the guide rods are fixedly connected with sliders sliding along the slide rails on both sides. A positioning bolt for restricting the sliding thereof is arranged on the top of the sliders.

[0005] Preferably, a plurality of equally spaced card slots are axially arranged along the outer edge of the guide rod.

[0006] Preferably, the anti-warping jig includes a positioning component, a base, an upper clamping jaw, a lower clamping jaw and a cylinder. The bottom end of the base is attached to the end face of the mounting plate and is slidably connected with the guide rod. The lower clamping jaw is rotatably connected to the end face of the base. The upper clamping jaw is hinged to the top of the lower clamping jaw. The cylinder is hinged to the bottom of the lower clamping jaw. The telescopic end of the cylinder is hinged to the upper clamping jaw. The cylinder is used to drive the upper clamping jaw and the lower clamping jaw to clamp or open. The clamping positions of the upper clamping jaw and the lower clamping jaw have the same structure, which is a U-shaped clamping opening. The opening position of the U-shaped clamping opening is the resistance welding position. The positioning component is arranged in the base for positioning the lower clamping jaw and the position of the base.

[0007] Further preferably, a plurality of card slots are equally angularly arranged on the bottom end face of the lower clamping jaw.

[0008] Further preferably, the positioning component has a driving handwheel, a camshaft, a tension spring and a positioning block. The camshaft is rotatably connected inside the base. One end of the camshaft extends out of the base and is fixedly connected to the driving handwheel. The positioning blocks are symmetrically arranged at the top and bottom of the camshaft. The tension spring forces the positioning blocks at the top and bottom to fit against the camshaft. The camshaft is used to drive the top positioning block to embed into the bottom slot of the jaw for positioning, and the camshaft is used to drive the bottom positioning block to embed into the slot along the outer edge of the guide rod for positioning.

[0009] The beneficial effects of the present utility model are as follows: 1. When clamping upper covers of different shapes, the lateral clamping position can be changed by sliding the sliders at both ends of the guide rod, the longitudinal clamping position can be changed by sliding the anti-warping fixture along the guide rod, and the clamping angle of the anti-warping fixture can be changed by rotating the lower jaw, so as to improve the versatility of the fixture. 2. The clamping positions of the upper jaw and the lower jaw have the same structure, which is a U-shaped clamping opening, and the welding position is in the middle of the U-shaped clamping opening. After clamping, the sheet metal at the welding position will not warp, thus preventing welding quality problems caused by warping of the sheet metal at the welding point during welding. Description of the Drawings

[0010] Figure 1 is a top view of the present utility model;

[0011] Figure 2 is a sectional structural view of the anti-warping fixture of the present utility model;

[0012] Figure 3 is of the present utility model Figure 2 partial view in the A direction;

[0013] Figure 4 is of the present utility model Figure 2 partial enlarged view of area I. Detailed Embodiment

[0014] The following elaborates on the preferred embodiments of the present utility model in conjunction with the drawings, so that the advantages and features of the present utility model can be more easily understood by those skilled in the art, thereby making a clearer and more definite definition of the protection scope of the present utility model.

[0015] It should be noted that in the description of the present utility model, the terms indicating directions or positional relationships such as "upper", "lower", "left", "right", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings. This is only for convenience of description and does not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the present utility model.

[0016] In addition, it should be noted that in the description of the present utility model, unless otherwise clearly defined and limited, the terms "installation", "connection", "attachment", "provided with", and "set" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a direct connection or an indirect connection through an intermediate medium, and it can be the communication inside two components. For those skilled in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0017] Please refer to Figures 1 to 4 , the embodiments of the present utility model include:

[0018] An upper cover plate welding fixture, comprising a mounting plate 1, slide rails 2, sliders 3, guide rods 4, positioning bolts 5, and anti-warping fixtures 6. Slide rails 2 are provided on both sides of the mounting plate 1. A plurality of guide rods 4 are arranged between the two slide rails 2. The guide rods 4 are perpendicular to the slide rails 2 on both sides. Anti-warping fixtures 6 that can move are symmetrically arranged at both ends of the guide rods 4. The moving path of the anti-warping fixtures 6 is perpendicular to the slide rails 2. Sliders 3 that slide along the slide rails 2 on both sides are fixedly connected to both ends of the guide rods 4. Positioning bolts 5 for restricting their sliding are provided on the tops of the sliders 3;

[0019] Preferably, a plurality of equally spaced card slots are axially arranged along the outer edge of the guide rod 4;

[0020] Preferably, the anti-warping fixture 6 includes a positioning assembly 7, a base 61, an upper clamping jaw 62, a lower clamping jaw 63, and a cylinder 64. The bottom end of the base 61 fits against the end face of the mounting plate 1 and is slidably connected to the guide rod 4. The lower clamping jaw 63 is rotatably connected to the end face of the base 61. The upper clamping jaw 62 is hinged to the top of the lower clamping jaw 63. The cylinder 64 is hinged to the bottom of the lower clamping jaw 63. The telescopic end of the cylinder 64 is hinged to the upper clamping jaw 62. The cylinder 64 is used to drive the upper clamping jaw 62 and the lower clamping jaw 63 to clamp or open. The clamping positions of the upper clamping jaw 62 and the lower clamping jaw 63 have the same structure, which is a U-shaped clamping opening. The opening position of the U-shaped clamping opening is the resistance welding position. The positioning assembly 7 is arranged inside the base 61 for positioning the lower clamping jaw 63 and the position of the base 61;

[0021] Further preferably, a plurality of card slots are also arranged at equal angles on the bottom end face of the lower clamping jaw 63;

[0022] Further preferably, the positioning assembly 7 includes a driving handwheel 71, a camshaft 72, a tension spring 73 and a positioning block 74. The camshaft 72 is rotatably connected within the base 61. One end of the camshaft 72 extends out of the base 61 and is fixedly connected to the driving handwheel 71. The positioning blocks 74 are symmetrically arranged at the top and bottom of the camshaft 72. The tension spring 73 forces the positioning blocks 74 at the top and bottom to fit against the camshaft 72. The camshaft 72 is used to drive the top positioning block 74 to embed into the bottom slot of the jaw for positioning, and the camshaft 72 is used to drive the bottom positioning block 74 to embed into the slot along the outer edge of the guide rod 4 for positioning.

[0023] With the above settings, during the actual working process, the specific working principle is as follows:

[0024] When clamping upper covers of different shapes, the lateral clamping position can be changed by sliding the sliders 3 at both ends of the guide rod 4, the longitudinal clamping position can be changed by sliding the anti-warping fixture 6 along the guide rod 4, and the clamping angle of the anti-warping fixture 6 can be changed by rotating the lower jaw 63. After adjusting the clamping position for upper covers of different shapes, the position of the slider 3 is positioned by screwing the positioning bolt 5 at the top of the slider 3, and the angle of the lower jaw 63 and the position of the anti-warping fixture 6 on the wire rod can be positioned by rotating the handwheel in the anti-warping fixture 6.

[0025] When welding the upper cover, the air rod is started to extend, driving the upper jaw 62 and the lower jaw 63 to clamp the edge of the upper cover. Since the clamping positions of the upper jaw 62 and the lower jaw 63 have the same structure, which is a U-shaped clamping opening, and the welding position is in the middle of the U-shaped clamping opening, the sheet metal on both sides of the welding position will not warp after clamping, thus achieving the purpose of preventing the sheet metal at the welding point from warping during welding.

[0026] The above are only the embodiments of the present invention, and thus do not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the content of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, shall be equally included in the patent protection scope of the present invention.

Claims

1. A welding fixture for an upper cover plate, characterized in that: It includes a mounting plate, a slide rail, a slider, a guide rod, a positioning bolt and an anti-warping clamp. Slide rails are provided on both sides of the mounting plate. The multiple guide rods are arranged between the two slide rails. The guide rods are perpendicular to the slide rails on both sides. Movable anti-warping clamps are symmetrically arranged at both ends of the guide rods. The moving path of the anti-warping clamp is perpendicular to the slide rails. Slide rails that slide along the slide rails on both sides are fixedly connected at both ends of the guide rods. Positioning bolts are provided on the top of the slider for limiting its sliding.

2. The upper cover plate welding fixture according to claim 1, characterized in that: The outer edge of the guide rod is provided with a plurality of equally spaced slots arranged axially.

3. The upper cover plate welding fixture according to claim 1, characterized in that: The anti-warping clamp includes a positioning assembly, a base, an upper jaw, a lower jaw and a cylinder. The bottom end of the base fits into the end surface of the mounting plate and is slidably connected to the guide rod. The end surface of the base is rotatably connected to the lower jaw, and the top of the lower jaw is hinged with the upper jaw. The cylinder is hinged to the bottom of the lower jaw, and the telescopic end of the cylinder is hinged to the upper jaw. The cylinder is used to drive the upper jaw and the lower jaw to clamp or open. The clamping position structure of the upper jaw and the lower jaw is the same, both are U-shaped clamps. The opening position of the U-shaped clamp is a resistance welding position. The positioning assembly is arranged in the base to position the lower jaw and the base.

4. The upper cover plate welding fixture according to claim 3, characterized in that: The bottom end surface of the lower clamping jaw is also provided with a plurality of slots arranged at equal angles.

5. The upper cover plate welding fixture according to claim 3, characterized in that: The positioning assembly comprises a driving handwheel, a camshaft, a tension spring and a positioning block. The camshaft is rotatably connected in the base, one end of the camshaft extends out of the base and is fixedly connected to the driving handwheel, the positioning blocks are symmetrically arranged at the top and bottom of the camshaft, and the tension spring forces the top and bottom positioning blocks to fit the camshaft; the camshaft is used to drive the top positioning block to embed into the bottom slot of the clamp for positioning, and the camshaft is used to drive the bottom positioning block to embed into the outer slot of the guide rod for positioning.

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