CN211331938U - Welding platform clamping device - Google Patents

Abstract

The utility model discloses a welding platform clamping device, which belongs to the technical field of mechanical processing. The device includes a base, a lifting table, a clamping connecting rod, an adjusting connecting rod and a fixed connecting rod. The lifting table is installed on the upper end of the base, and four clamping links that are evenly distributed around the circumference are connected to the lower end of the lifting table. The tightening connecting rods are all connected to the base, the end of each clamping connecting rod is connected with an adjusting connecting rod, and a fixed connecting rod is installed between the clamping connecting rod and the adjusting connecting rod; The linkage between the rod and the adjustment link can quickly clamp the to-be-welded parts by the weight of the welding parts, and the clamping can be self-locking without additional clamping force, and the operation is simple; the device has a simple structure, low cost, It is easy to use, can quickly clamp different shapes and asymmetric parts to be welded, and has a wide range of applications.

Description

Welding platform clamping device

technical field

The utility model belongs to the technical field of machining and relates to a welding clamping device, in particular to a welding platform clamping device.

Background technique

Welding, also known as welding, welding, is a manufacturing process and technology for joining metals or other thermoplastic materials such as plastics by heating, high temperature or high pressure; welding achieves the purpose of joining through the following three ways: fusion welding, pressing Welding and brazing; suitable for welding of various materials, but also for welding of different metals or dissimilar materials; there are many energy sources for modern welding, including gas flame, arc, laser, electron beam, friction and ultrasonic, etc. . In addition to being used in factories, welding can be performed in a variety of environments, such as in the field, underwater, and in space.

Welding the workpiece requires several clampings to prevent deformation of the workpiece and ensure the welding quality. It is even more difficult to complete the clamping of large workpieces.

However, in the existing structure, the pressure rod and the positioning screw are threadedly connected, and by twisting the positioning screw, the tip end of the pressure rod can position the ring. The rod is used normally for a long time.

After searching, for example, Chinese patent documents disclose a welding clamping device [application number: 201721883603.6; publication number: CN201410533619.9]. Although this device has a certain clamping effect on the welded parts, it clamps by applying additional force instead of exerting force by the gravity of the welding parts, which has high energy consumption, slow clamping and low efficiency.

However, the existing processing welding parts are difficult to operate when the volume is large. Quickly clamping the welding parts for welding is an urgent problem to be solved. When the large processing parts are difficult to move, how to use their own weight to apply the clamping force.

Utility model content

The purpose of this utility model is to solve the above problems in the existing technology, and propose a welding platform clamping device. The technical problem to be solved by this utility model is: how to quickly clamp the welding parts for welding, and use the welding parts Quick clamping by its own weight.

The purpose of this utility model can be achieved through the following technical solutions: a welding platform clamping device, comprising a base, a lifting table, a clamping connecting rod, an adjusting connecting rod and a fixing connecting rod, the lifting table is installed on the upper end of the base, and the lifting table is installed on the upper end of the base. The lower end of the table is connected with four clamping connecting rods evenly distributed around the circumference, and each clamping connecting rod is connected to the base, and the end of each clamping connecting rod is connected with an adjusting connecting rod, and the clamping connecting rod is connected with the adjusting connecting rod. Fixed connecting rods are installed between the rods.

The working principle of the utility model is as follows: the base is placed on the welding platform or the ground, the parts to be welded are placed on the lifting platform, and the lifting platform is pressed down by the gravity of the parts to be welded, thereby driving the four clamping connecting rods toward Press together in the middle, and then adjust the length of the adjustment connecting rod according to the weight of the different parts to be welded to fully clamp the parts to be welded. Adjust the length of the fixed connecting rod to adjust the clamping angle, and clamp and fix the parts to be welded of different shapes, which is convenient for welding personnel or robots to quickly weld.

The base includes a base bracket, a reinforcing plate, a rotating shaft block, a clamping installation shaft, a lifting sleeve and a pressing sleeve. The upper end of the base support is welded with a reinforcing plate, and the middle parts of the front, rear, left and right sides of the base support are welded with rotating shaft blocks. A clamping installation shaft is welded in the middle of the block, six evenly distributed lifting sleeves are welded on the four sides of the upper end of the reinforcing plate, a tension spring is installed in each lifting sleeve, and a pressing sleeve is welded at the lower end of the middle of the reinforcing plate.

A lifting sleeve rod is installed inside the lifting sleeve. The tension spring tightens the lifting sleeve rod and the lifting sleeve. At the same time, the clamping installation shaft is installed with the rotating hole, so that the rotating rod rotates around the clamping installation shaft, and the clamping sleeve and the lifting sleeve are installed together. The threaded sleeve rod is installed together, so that the lifting threaded sleeve rod can be moved up and down by pressing the inside of the sleeve.

The lifting platform includes a lifting plate, a lifting sleeve rod, a lifting threaded sleeve rod, a threaded pressure cylinder and a clamping moving shaft. The lower end of the lifting plate is welded with six evenly distributed lifting sleeve rods, and the middle of the lower end of the lifting plate is welded with a lifting threaded sleeve. The lower end of the lifting threaded sleeve rod is provided with a threaded pressure cylinder through threads, and four evenly distributed clamping moving shafts are installed around the threaded pressure cylinder.

The threaded press cylinder can be installed in conjunction with the lifting threaded sleeve rod, and the length of the threaded press cylinder can be adjusted to meet the shape and size of different parts to be welded. The shaft drives the rotating rod to rotate to clamp the parts to be welded.

The clamping connecting rod includes a moving rod and a rotating rod, the lower end of the rotating rod is provided with a hollow cavity, the inside of the hollow cavity is provided with a second tension spring, and the inside of the hollow cavity is provided with a rotating rod, and the moving rod and the rotating rod are connected by the second tension spring , the right end of the moving rod is provided with a moving shaft mounting hole.

The moving rod moves inside the rotating rod while pulling the rotating rod to rotate.

A rotation hole is arranged in the middle of the rotating rod, an adjustment installation shaft is arranged at the upper end of the rotation rod, and a fixed connecting rod installation shaft is arranged under the right end of the adjustment installation shaft.

The adjustment installation shaft is installed in cooperation with the clamping connection hole of the adjustment rod, and the opening angle of the adjustment rod is adjusted and fixed.

The adjusting connecting rod includes a clamping plate, an adjusting rod and an adjusting screw rod. The left end of the clamping plate is connected with an adjusting screw rod, and the adjusting screw rod is installed inside the adjusting rod.

The adjusting screw and the adjusting rod are threadedly connected and fitted together, and can be rotated to adjust the length of the adjusting screw, so that the clamping plate clamps the part to be welded.

A rubber pad is installed on the right side of the plate body of the clamping plate, and a bearing is installed in the middle part of the left side of the plate body of the clamping plate.

The rubber pad is elastic and can produce a certain deformation, which can clamp the parts to be welded. The bearing and the adjusting screw are installed in an interference fit to ensure that the clamping plate does not rotate when the adjusting screw is rotated.

The left side of the lower end of the rod body of the adjusting rod is provided with a clamping connection hole, and the right end of the clamping connection hole is provided with a second fixed connecting rod installation shaft.

The clamping connection hole is installed in cooperation with the adjustment installation shaft, and the second fixed connecting rod installation shaft is installed in cooperation with the threaded bushing rod, which is convenient for adjusting the angle.

The fixed connecting rod includes an adjustment threaded sleeve rod and a threaded shaft sleeve rod, and the left and right ends of the adjustment threaded sleeve rod are installed with threaded shaft sleeve rods.

The threaded bushing rods at both ends are installed with the fixed connecting rod mounting shaft 2 and the fixed connecting rod mounting shaft 1 respectively, and the total length of the fixed connecting rod can be adjusted by rotating the adjusting threaded bushing rod to adjust the opening angle of the control adjusting rod. Clamp all kinds of special-shaped parts to be welded.

Compared with the prior art, this method has the following advantages:

1. The linkage between the lifting table, the clamping link and the adjusting link can be used to quickly clamp the to-be-welded parts by the weight of the welding parts, and the clamping can be self-locking, no additional clamping force is required, and the operation is simple .

2. A fixed connecting rod is used between the clamping connecting rod and the adjusting connecting rod to adjust the opening angle of the adjusting connecting rod, which can quickly clamp parts to be welded of different shapes.

3. The adjustment link adopts the adjustment rod and the adjustment screw to adjust the length of the connecting rod, each of which can be adjusted independently, which can quickly clamp the asymmetrical parts to be welded.

4. The surface of the clamping plate is equipped with a rubber pad, which does not damage the welding parts and can ensure clamping.

5. The device has the advantages of simple structure, low production cost, convenient use and wide application range.

Description of drawings

Figure 1 is a schematic structural diagram of the present invention.

Figure 2 is a schematic cross-sectional view of the present invention.

FIG. 3 is a schematic structural diagram of the present invention in a clamped state.

Figure 4 is a schematic structural diagram of the base in the present invention.

FIG. 5 is a schematic view of the structure of the lifting platform in the present invention.

FIG. 6 is a schematic view of the structure of the clamping connecting rod in the present invention.

FIG. 7 is a schematic view of the structure of the adjusting connecting rod in the present invention.

FIG. 8 is a schematic structural diagram of a fixed connecting rod in the present invention.

In the figure, 1, base; 1a, base bracket; 1b, reinforcing plate; 1c, shaft block; 1d, clamping installation shaft; 1e, lifting sleeve; 1f, pressing sleeve; 2, lifting platform; 2a, lifting plate; 2b, lifting sleeve rod; 2c, lifting threaded sleeve rod; 2d, threaded cylinder; 2e, clamping moving shaft; 3, clamping connecting rod; 3a, moving rod; 3b, rotating rod; 3b1, rotating hole; 3b2, fixing connecting rod installation shaft one; 3b3, adjusting installation shaft; 4, adjusting connecting rod; 4a, clamping plate; 4a1, bearing; 4a2, rubber pad; 4b, adjusting rod; 4b1, clamping connecting hole; 4b2, Fixed connecting rod installation shaft two; 4c, adjusting screw; 5, fixing connecting rod; 5a, adjusting threaded sleeve rod; 5b, threaded shaft sleeve rod.

Detailed ways

The following are specific embodiments of the present utility model combined with the accompanying drawings to further describe the technical solutions of the present utility model, but the present utility model is not limited to these embodiments.

Please refer to Figure 1-8, a welding platform clamping device, including a base 1, a lifting table 2, a clamping link 3, an adjusting link 4 and a fixed link 5, the upper end of the base 1 is installed with a lifting platform 2, and the lifting platform 2 The lower end is connected with four clamping connecting rods 3 evenly distributed around the circumference, and each clamping connecting rod 3 is connected to the base 1, and the end of each clamping connecting rod 3 is connected with an adjusting connecting rod 4, which clamps A fixed connecting rod 5 is installed between the connecting rod 3 and the adjusting connecting rod 4 .

The base 1 includes a base bracket 1a, a reinforcing plate 1b, a rotating shaft block 1c, a clamping installation shaft 1d, a lifting sleeve 1e and a pressing sleeve 1f. The upper end of the base bracket 1a is welded with a reinforcing plate 1b. A rotating shaft block 1c is welded, a clamping mounting shaft 1d is welded in the middle of each rotating shaft block 1c, and six evenly distributed lifting sleeves 1e are welded on the four sides of the upper end of the reinforcing plate 1b, and each lifting sleeve 1e is installed with a tension spring First, the lower end of the middle part of the reinforcing plate 1b is welded with a pressing sleeve 1f.

A lifting sleeve rod 2b is installed inside the lifting sleeve 1e. The tension spring tightens the lifting sleeve rod 2b and the lifting sleeve 1e. At the same time, the clamping installation shaft 1d is installed with the rotation hole 3b1, so that the rotation rod 3b surrounds the clamping installation shaft 1d. Rotate, the pressing sleeve 1f is installed in cooperation with the lifting threaded sleeve rod 2c, so that the lifting threaded sleeve rod 2c can move up and down inside the pressing sleeve 1 round.

The lifting platform 2 includes a lifting plate 2a, a lifting sleeve rod 2b, a lifting threaded sleeve rod 2c, a threaded pressure cylinder 2d and a clamping moving shaft 2e. The lower end of the lifting plate 2a is welded with six evenly distributed lifting sleeve rods 2b. A lifting threaded sleeve rod 2c is welded to the middle of the lower end, and a threaded pressure cylinder 2d is installed at the lower end of the lifting threaded sleeve rod 2c through threads, and four evenly distributed clamping shafts 2e are installed around the threaded pressure cylinder 2d.

The threaded pressure cylinder 2d can be threadedly installed with the lifting threaded sleeve rod 2c, and the length of the threaded pressure cylinder 2d can be adjusted to meet the shape and size of different parts to be welded. The clamping movable shaft 2e is matched with the movable shaft installation hole of the movable rod 3a. After installation, the clamping shaft 2e drives the rotating rod 3b to rotate to clamp the parts to be welded.

The clamping connecting rod 3 includes a moving rod 3a and a rotating rod 3b. The lower end of the rotating rod 3b is provided with a hollow cavity, the interior of the hollow cavity is provided with a tension spring 2, and the interior of the hollow cavity is provided with a rotating rod 3b. Between the moving rod 3a and the rotating rod 3b Connected by the second tension spring, the right end of the moving rod 3a is provided with a moving shaft mounting hole.

The moving rod 3a moves inside the rotating rod 3b, and at the same time the moving rod 3a can pull the rotating rod 3b to rotate.

The middle of the rotating rod 3b is provided with a rotating hole 3b1, the upper end of the rotating rod 3b is provided with an adjustment installation shaft 3b3, and the lower right end of the adjustment installation shaft 3b3 is provided with a fixed link installation shaft 1 3b2.

The adjustment installation shaft 3b3 is installed in cooperation with the clamping connection hole 4b1 of the adjustment rod 4b to adjust and fix the opening angle of the adjustment rod 4 .

The adjustment connecting rod 4 includes a clamping plate 4a, an adjustment rod 4b and an adjustment screw 4c. The left end of the clamping plate 4a is connected with an adjustment screw 4c, and the adjustment screw 4c is installed inside the adjustment rod 4b.

The adjusting screw is screwed and installed with the adjusting rod 4b 4c, and can be rotated to adjust the length of the adjusting screw 4c, so that the clamping plate 4a clamps the piece to be welded.

A rubber pad 4a2 is installed on the right side of the plate body of the clamping plate 4a, and a bearing 4a1 is installed in the middle part of the left side of the plate body of the clamping plate 4a.

The rubber pad 4a2 has elasticity and can produce a certain deformation to clamp the parts to be welded. The bearing 4a1 is installed in an interference fit with the adjusting screw 4c to ensure that the clamping plate does not rotate when the adjusting screw 4c is rotated.

The left side of the lower end of the rod body of the adjusting rod 4b is provided with a clamping connection hole 4b1, and the right end of the clamping connection hole 4b1 is provided with a second fixed connecting rod installation shaft 4b2.

The clamping connection hole 4b1 is installed in cooperation with the adjustment installation shaft 3b3, and the second fixed connecting rod installation shaft 4b2 is installed in cooperation with the threaded bushing rod 5b, which is convenient for adjusting the angle.

The fixed connecting rod 5 includes an adjustment threaded sleeve rod 5a and a threaded shaft sleeve rod 5b, and the left and right ends of the adjustment threaded sleeve rod 5a are installed with threaded shaft sleeve rods 5b.

The threaded bushing rods 5b at both ends are installed in cooperation with the fixed connecting rod mounting shaft two 4b2 and the fixed connecting rod mounting shaft one 3b2, respectively, and the total length of the fixed connecting rod 5 can be adjusted by rotating the adjusting threaded bushing rod 5a to adjust the control adjusting rod 5 The opening angle of the machine can quickly clamp various special-shaped parts to be welded.

The working principle of the utility model is:

The device is placed on the welding platform or the ground, and the parts to be welded are placed on the lifting plate 2a. The lifting plate 2a drives the lifting sleeve rod 2b to slide toward the inside of the lifting sleeve 1e due to the weight of the parts to be welded. Compress the tension spring 1, at the same time, the lifting threaded sleeve rod 2c slides down inside the lifting sleeve 1e, the lifting threaded sleeve rod 2c drives the threaded pressure cylinder 2d to move down, and the clamping moving shaft 2e moves down with the threaded pressure cylinder 2d, driving four The moving rod 3a in the direction is pulled downward, so that the rotation hole 3b1 of the rotating rod 3b is rotated around the clamping installation shaft 1d by the pulling out of the moving rod 3a, thereby reducing the opening angle of the adjustment link 4, so that the clamping The plate 4a is pressed downward to the middle, and the adjusting screw 4c is rotated to move it inward, so that the rubber pad 4a2 clamps the part to be welded, wherein the length of each adjusting screw 4c can be adjusted individually to meet the irregular welding requirements. Rotating the adjusting threaded sleeve rod changes the lengths of the adjusting threaded sleeve rod 5a and the threaded shaft sleeve rod 5b, thereby adjusting the angle of the adjusting connecting rod, clamping and fixing the parts to be welded of different shapes, which is convenient for welding personnel or manipulators to quickly carry out Welding: After the welding is completed, turn the adjusting screw 4c in the opposite direction, so that the rubber pad 4a2 does not contact the welding piece, just take out the welding piece upwards, and the whole device will be restored to its original state, and then other welding pieces will be welded.

The utility model discloses a clamping device for a welding platform, which adopts the linkage among the lifting platform, the clamping connecting rod and the adjusting connecting rod, and can quickly clamp the to-be-welded parts by the weight of the welding parts, and the clamping can be self-locking. , no additional clamping force is required, and the operation is simple; a fixed link is used between the clamping link and the adjustment link to adjust the opening angle of the adjustment link, which can quickly clamp parts to be welded of different shapes; the adjustment link Adjusting rod and adjusting screw are used to adjust the length of the connecting rod, each of which can be adjusted independently, which can quickly clamp the asymmetrical parts to be welded; the surface of the clamping plate is equipped with rubber pads, which will not damage the welding parts and ensure the clamping ; The device has simple structure, low production cost, convenient use and wide application range.

The specific embodiments described herein are merely illustrative of the spirit of the present invention. Those skilled in the art of the present invention can make various modifications or supplements to the described specific embodiments or replace them in similar ways, but will not deviate from the spirit of the present invention or go beyond the appended claims the defined range.

Claims (9)

1. Welding platform clamping device, its characterized in that, including base, elevating platform, tight connecting rod of clamp, adjusting connecting rod and fixed connecting rod, the elevating platform is installed to the base upper end, and the elevating platform lower extreme four sides is connected with the tight connecting rod of clamp of four circumference equipartitions, and every presss from both sides tight connecting rod and all connects on the base, and every presss from both sides tight connecting rod end and all is connected with adjusting connecting rod, all installs fixed connecting rod between tight connecting rod of clamp and the adjusting connecting rod.

2. The welding platform clamping device according to claim 1, wherein the base comprises a base support, a reinforcing plate, a rotating shaft block, a clamping installation shaft, a lifting sleeve and a compression sleeve, the reinforcing plate is welded at the upper end of the base support, the rotating shaft block is welded at the middle parts of the front, back, left and right sides of the base support, the clamping installation shaft is welded in the middle of each rotating shaft block, the lifting sleeves are welded at the four sides of the upper end of the reinforcing plate in six uniform distribution, a first tension spring is installed in each lifting sleeve, and the compression sleeve is welded at the lower end of the middle part of.

3. The welding platform clamping device according to claim 2, wherein the lifting platform comprises a lifting plate, lifting sleeve rods, lifting threaded sleeve rods, a threaded pressing cylinder and a clamping moving shaft, wherein six uniformly distributed lifting sleeve rods are welded on four sides of the lower end of the lifting plate, the lifting threaded sleeve rods are welded in the middle of the lower end of the lifting plate, the threaded pressing cylinder is installed at the lower end of the lifting threaded sleeve rods through threads, and the four uniformly distributed clamping moving shafts are installed on the periphery of the threaded pressing cylinder.

4. The welding platform clamping device according to claim 1, wherein the clamping link comprises a moving rod and a rotating rod, a hollow cavity is arranged at the lower end of the rotating rod, a second tension spring is arranged inside the hollow cavity, the rotating rod is arranged inside the hollow cavity, the moving rod and the rotating rod are connected through the second tension spring, and a moving shaft mounting hole is formed in the right end of the moving rod.

5. The welding platform clamping device according to claim 4, wherein a rotating hole is formed in the middle of the rotating rod, an adjusting installation shaft is arranged at the upper end of the rotating rod, and a first fixed connecting rod installation shaft is arranged below the right end of the adjusting installation shaft.

6. The welding platform clamping device according to claim 1 or 2, wherein the adjusting link comprises a clamping plate, an adjusting rod and an adjusting screw, the adjusting screw is connected to the left end of the clamping plate, and the adjusting screw is installed inside the adjusting rod.

7. The welding platform clamping device according to claim 6, wherein a rubber pad is installed on the right side of the plate body of the clamping plate, and a bearing is installed in the middle of the left side of the plate body of the clamping plate.

8. The welding platform clamping device according to claim 7, wherein a clamping connection hole is formed in the left side of the lower end of the rod body of the adjusting rod, and a second fixed connecting rod mounting shaft is arranged at the right end of the clamping connection hole.

9. The welding platform clamping device according to claim 1, wherein the fixed connecting rod comprises an adjusting threaded sleeve rod and a threaded shaft sleeve rod, and the left end and the right end of the adjusting threaded sleeve rod are provided with the threaded shaft sleeve rods.

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