CN213224937U

CN213224937U - Clamp for automobile welding

Info

Publication number: CN213224937U
Application number: CN202021798976.5U
Authority: CN
Inventors: 李永霞; 李永立
Original assignee: Kunshan Huixu Precision Machinery Co ltd
Current assignee: Kunshan Huixu Precision Machinery Co ltd
Priority date: 2020-08-26
Filing date: 2020-08-26
Publication date: 2021-05-18
Anticipated expiration: 2030-08-26

Abstract

The utility model discloses an anchor clamps are used to car welding dress, which comprises a base, including a motor, an end cap, a controller, and a cover plate, the rotor plate, a slide rail, lower part positioning mechanism, a stand, swinging boom and upper portion positioning mechanism, the holding tank has been seted up at the base top, the motor passes through the vertical installation of fixing base in the holding tank, the rotor plate is located the base top, motor output shaft and rotor plate bottom drive are connected, rotor plate top fixed mounting has the slide rail, be provided with lower part positioning mechanism on the slide rail, the fixed stand that installs respectively in the relative both sides in rotor plate top, stand top and swinging boom swivelling joint, evenly set up the mounting hole that a plurality of vertical runs through. It can carry out the centre gripping to the automobile parts of unidimensional not fixed, and the centre gripping dynamics is moderate, can not cause the damage to automobile parts, guarantees the stability to the automobile parts centre gripping simultaneously, and in addition, still can be automatic quick adjust the welding position on the fixed automobile parts of centre gripping, improved welding efficiency.

Description

Clamp for automobile welding

Technical Field

The utility model relates to a welding process equipment technical field, concretely relates to car welds dress and uses anchor clamps.

Background

In the assembly welding production process of automobile parts, in order to ensure the product quality, improve the labor productivity and reduce the labor intensity, tools and devices for clamping and determining the position of a workpiece are often used for assembly and welding, and the tools and the devices are generally called welding jigs.

The existing welding clamp has the following defects when in use: (1) with the increasing consumption level of people, the demand of people on automobiles is increased, automobiles produced by automobile manufacturers are various, automobile models are frequently changed, automobile parts of different models are often different in size, the existing welding clamp is too strong in pertinence, cannot adapt to the automobile parts of different sizes, and the cost of redesigning a special clamp is very high; (2) the existing welding fixture is usually clamped and fixed by an upper point and a lower point in the clamping process, the positioning precision is insufficient, and when the fixture is contacted with an automobile part, the surface of the fixture can be extruded, so that the automobile part is damaged; (3) the welding fixture is mostly of a fixed structure, when the welding position changes, a worker is required to move the position to the corresponding welding position on the automobile part, and the welding efficiency is reduced.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem that exists among the above-mentioned background art, the utility model provides a car welds anchor clamps for dress, it can carry out the centre gripping to unidimensional car parts and fix, and the centre gripping dynamics is moderate, can not cause the damage to car parts, guarantees the stability to the car parts centre gripping simultaneously, in addition, still can be automatic quick adjust the welding position on the fixed car parts of centre gripping, has improved welding efficiency.

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

the utility model provides an automobile welding fixture, including base, motor, rotor plate, slide rail, lower part positioning mechanism, stand, swinging boom and upper portion positioning mechanism, the holding tank has been seted up at the base top, the motor passes through the fixing base and installs vertically in the holding tank, the rotor plate is located the base top, motor output shaft with the drive of rotor plate bottom is connected, rotor plate top fixed mounting has the slide rail, be provided with on the slide rail lower part positioning mechanism, the relative both sides in rotor plate top are fixed with the stand respectively, the stand top with the swinging boom swivelling joint, evenly seted up a plurality of vertical through-going mounting holes on the swinging boom, upper portion positioning mechanism demountable installation in the mounting hole;

the lower positioning mechanism comprises two clamping components which are symmetrically arranged, and the two clamping components are respectively arranged on the sliding rail in a sliding manner;

the upper portion positioning mechanism comprises a threaded rod, a rotating disc, a buffering mechanism and a pressing column, the threaded rod is connected with the vertical setting through threads in a mounting hole in the rotating arm, the rotating disc is arranged at the top of the threaded rod, and the bottom of the threaded rod is connected with the pressing column through the buffering mechanism.

The improved clamping assembly comprises a clamping plate, a sliding block and a fastening bolt, wherein the sliding block is arranged at the bottom of the clamping plate and is slidably mounted on the sliding rail, spacing holes are formed in the sliding rail at equal intervals along the length direction, the fastening bolt is arranged at one end, far away from the clamping plate clamping surface, of the sliding block, and the free end of the fastening bolt can be inserted into the spacing holes, so that the clamping plate is fixed at a specific position on the sliding rail. During the use, through the sliding fit of sliding block and slide rail, can adjust the position of grip block to can adjust the interval between two grip blocks, then through the cooperation in spacing hole on fastening bolt and the slide rail, can fix the grip block, realized carrying out the centre gripping fixedly to the lower part of unidimensional automobile parts.

In a further improvement, the clamping plate is of an L-shaped structure. The contact area of the clamping plate with the L-shaped structure and the automobile part is large, the lower part of the automobile part can be fixed in a vertical pressing mode, and clamping and positioning are more stable.

The improved structure is characterized in that the buffer mechanism comprises an adjusting column, a buffer cavity, a limiting block and an elastic piece, the adjusting column is installed at the bottom of the threaded rod, the buffer cavity is formed in the bottom of the adjusting column, the upper portion of the abutting column is slidably arranged in the buffer cavity, the limiting block is arranged on the upper portion of the abutting column, and the elastic piece is arranged between the top of the limiting block and the top of the buffer cavity. During the use, support and press post upper portion can reciprocate in the cushion chamber on adjusting the post, under the effect of elastic component, can cushion the packing force that the post was applyed to the car part to supporting for the centre gripping dynamics that acts on to the car part is moderate, can not cause the damage to the car part, has also guaranteed the stability to the car part centre gripping simultaneously.

The improved structure is characterized in that an annular sliding groove is formed in the top of the base, and sliding blocks which are installed in the annular sliding groove in a sliding mode are symmetrically arranged at the bottom of the rotating plate. Through the sliding fit of the sliding block at the bottom of the rotating plate and the annular sliding groove at the top of the base, the rotating process of the motor-driven rotating plate is more stable, meanwhile, enough supporting force is provided for the rotating plate, and the lower positioning mechanism and the upper positioning mechanism on the rotating plate are more stable in clamping and fixing of automobile parts.

The further improvement is that the bottom of the pressing column is provided with a rubber pad. Because the contact area of the pressure supporting column and the automobile part is small, the acting force is large, and the automobile part can be better protected and prevented from deforming by arranging the rubber pad.

Compared with the prior art, the utility model discloses following beneficial effect has:

the two clamping components in the middle-lower positioning mechanism of the utility model are respectively arranged on the slide rail at the top of the rotating plate in a sliding way, so that the distance between the two clamping components can be adjusted and fixed, and the clamping and fixing of the lower parts of automobile parts with different sizes can be realized; the rotating arm is rotatably connected with the upright post, the mounting hole in the rotating arm is detachably mounted with the upper positioning mechanism, the rotating position of the rotating arm can be adjusted according to the size and shape of the automobile component to be fixed, and then the upper positioning mechanism is mounted in the mounting hole at a proper position, so that the automobile component is pressed and fixed, and the stability of clamping the automobile component is ensured; through the matching of the threaded rod, the rotating disc, the buffer mechanism and the pressing column in the upper positioning mechanism, when the automobile part clamping device is used, the threaded rod is driven to rotate through the rotating disc, so that the pressing column is driven to move downwards until the lower end of the pressing column is pressed to fix an automobile part, stable clamping force is provided for the automobile part, the pressing force applied to the automobile part by the pressing column can be buffered through the buffer mechanism, the clamping force acting on the automobile part is moderate, the automobile part cannot be damaged, and meanwhile, the stability of clamping the automobile part is ensured; through the cooperation of motor and rotor plate, can drive the fixed automobile parts of centre gripping on the rotor plate and rotate to can carry out automatic adjustment to the welding position on the automobile parts, make things convenient for workman's operation, promote welding efficiency, the device practicality is stronger.

Drawings

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

FIG. 1 is a schematic view of the overall structure of the clamp for welding automobiles according to the present invention;

FIG. 2 is a schematic cross-sectional view of the clamp for welding automobiles according to the present invention;

FIG. 3 is an enlarged view taken at A in FIG. 2;

FIG. 4 is a schematic structural view of the top of the base of the present invention;

FIG. 5 is a schematic structural view of the clamping assembly of the present invention;

fig. 6 is a schematic structural view of the middle upper positioning mechanism of the present invention;

wherein, the specific reference numbers are: the clamping device comprises a base 1, an annular sliding groove 2, a containing groove 3, a motor 4, a rotating plate 5, a sliding block 6, a sliding rail 7, a clamping assembly 8, a clamping plate 9, a sliding block 10, a fastening bolt 11, a stand column 12, a rotating arm 13, a mounting hole 14, an upper positioning mechanism 15, a threaded rod 16, a rotating disc 17, an adjusting column 18, a buffer cavity 19, a limiting block 20, an elastic piece 21 and a pressing column 22.

Detailed Description

The embodiment of the utility model discloses an automobile welding jig, as shown in fig. 1 and 2, including base 1, motor 4, rotor plate 5, slide rail 7, lower part positioning mechanism, stand 12, swinging boom 13 and upper portion positioning mechanism 15, holding tank 3 has been seted up at base 1 top, motor 4 vertically installs in holding tank 3 through the fixing base, rotor plate 5 is located base 1 top, motor 4 output shaft and rotor plate 5 bottom drive are connected, rotor plate 5 top fixed mounting has slide rail 7, be provided with lower part positioning mechanism on the slide rail 7, the relative both sides in rotor plate 5 top are fixed with stand 12 respectively, stand 12 top and swinging boom 13 swivelling joint, evenly set up a plurality of vertical through mounting holes 14 on the swinging boom 13, upper portion positioning mechanism 15 demountable installation is in mounting hole 14; the lower positioning mechanism comprises two clamping components 8 which are symmetrically arranged, and the two clamping components 8 are respectively arranged on the sliding rail 7 in a sliding manner; the upper portion positioning mechanism 15 comprises a threaded rod 16, a rotating disc 17, a buffering mechanism and a pressing column 22, the threaded rod 16 which is vertically arranged is connected to the inner thread of the mounting hole 14 in the rotating arm 13, the rotating disc 17 is arranged at the top of the threaded rod 16, and the pressing column 22 is connected to the bottom of the threaded rod 16 through the buffering mechanism. When the automobile part clamping device is used, the two clamping assemblies 8 in the lower positioning mechanism are respectively arranged on the sliding rails 7 at the tops of the rotating plates 5 in a sliding mode, the distance between the two clamping assemblies 8 can be adjusted and fixed, and the clamping and fixing of the lower parts of automobile parts with different sizes are achieved; the rotating arm 13 is rotatably connected with the upright post 12, the mounting hole 14 on the rotating arm 13 and the upper positioning mechanism 15 are detachably mounted, the rotating position of the rotating arm 13 can be adjusted according to the size and shape of the automobile part to be fixed, and then the upper positioning mechanism 15 is mounted in the mounting hole 14 at a proper position, so that the automobile part is pressed and fixed, and the stability of clamping the automobile part is ensured; through the matching of the threaded rod 16, the rotating disc 17, the buffer mechanism and the abutting column 22 in the upper positioning mechanism 15, when the automobile part clamping device is used, the rotating disc 17 drives the threaded rod 16 to rotate, so that the abutting column 22 is driven to move downwards until the lower end of the abutting column 22 is pressed and fixed on an automobile part, stable clamping force is provided for the automobile part, the pressing force applied to the automobile part by the abutting column 22 can be buffered through the buffer mechanism, the clamping force applied to the automobile part is moderate, the automobile part cannot be damaged, and meanwhile, the stability of clamping the automobile part is ensured; through the cooperation of motor 4 and rotor plate 5, can drive the fixed automobile parts of centre gripping on the rotor plate 5 and rotate to can carry out automatic adjustment to the welding position on the automobile parts, make things convenient for workman's operation, promote welding efficiency, the device practicality is stronger.

As shown in fig. 5, the clamping assembly 8 includes a clamping plate 9, a sliding block 10 and a fastening bolt 11, the sliding block 10 is disposed at the bottom of the clamping plate 9, the sliding block 10 is slidably mounted on the slide rail 7, spacing holes are formed in the slide rail 7 at equal intervals along the length direction, the fastening bolt 11 is disposed at one end of the sliding block 10, which is far away from the clamping surface of the clamping plate 9, and the free end of the fastening bolt 11 can be inserted into the spacing holes, so that the clamping plate 9 is fixed at a specific position on the slide rail 7. During the use, through the sliding fit of sliding block 10 with slide rail 7, can adjust the position of grip block 9 to can adjust the interval between two grip blocks 9, then through the cooperation in spacing hole on fastening bolt 11 and the slide rail 7, can fix grip block 9, realized carrying out the centre gripping fixedly to the lower part of not unidimensional automobile parts.

Wherein, the clamping plate 9 is of an L-shaped structure. The contact area between the clamping plate 9 with the L-shaped structure and the automobile part is large, the lower part of the automobile part can be fixed in a vertical pressing mode, and clamping and positioning are more stable.

Wherein, as shown in fig. 6, buffer gear includes adjusting post 18, cushion chamber 19, stopper 20 and elastic component 21, adjusts post 18 and installs in threaded rod 16 bottom, adjusts the post 18 bottom and has seted up cushion chamber 19, supports to press post 22 upper portion to slide and sets up in cushion chamber 19, and supports to press post 22 upper portion to be equipped with stopper 20, is equipped with elastic component 21 between stopper 20 top and the cushion chamber 19 interior top. When the automobile part clamping device is used, the upper part of the abutting column 22 can move up and down in the buffer cavity 19 on the adjusting column 18, and the pressing force applied to an automobile part by the abutting column 22 can be buffered under the action of the elastic piece 21, so that the clamping force applied to the automobile part is moderate, the automobile part cannot be damaged, and the stability of clamping the automobile part is ensured.

As shown in fig. 3 and 4, the top of the base 1 is provided with an annular chute 2, and the bottoms of the rotating plates 5 are symmetrically provided with sliders 6 slidably mounted in the annular chute 2. Through the sliding fit of the sliding block 6 at the bottom of the rotating plate 5 and the annular sliding groove 2 at the top of the base 1, the rotating plate 5 is driven by the motor 4 to rotate more stably, and meanwhile, enough supporting force is provided for the rotating plate 5, so that the lower positioning mechanism and the upper positioning mechanism 15 on the rotating plate 5 clamp and fix automobile parts more stably.

Wherein, the bottom of the pressing column 22 is provided with a rubber pad. Because the contact area of the pressure column 22 and the automobile part is small, the acting force is large, and the automobile part can be better protected and prevented from deforming by arranging the rubber pad.

It is right to have used specific individual example above the utility model discloses expound, only be used for helping to understand the utility model discloses, not be used for the restriction the utility model discloses. To the technical field of the utility model technical personnel, the foundation the utility model discloses an idea can also be made a plurality of simple deductions, warp or replacement.

Claims

1. The clamp for automobile welding is characterized by comprising a base, a motor, a rotating plate, a sliding rail, a lower positioning mechanism, a stand column, a rotating arm and an upper positioning mechanism, wherein a containing groove is formed in the top of the base;

2. The automobile welding fixture as claimed in claim 1, wherein the clamping assembly includes a clamping plate, a sliding block and a fastening bolt, the sliding block is disposed at the bottom of the clamping plate, the sliding block is slidably mounted on the sliding rail, the sliding rail is provided with limiting holes at equal intervals along the length direction, the sliding block is provided with the fastening bolt at one end away from the clamping surface of the clamping plate, and the free end of the fastening bolt can be inserted into the limiting holes, so that the clamping plate is fixed at a specific position on the sliding rail.

3. The automobile welding jig of claim 2, wherein the clamping plate is of an L-shaped configuration.

4. The automobile welding fixture as claimed in claim 1, wherein the buffering mechanism includes an adjusting post, a buffering cavity, a limiting block and an elastic member, the adjusting post is mounted at the bottom of the threaded rod, the buffering cavity is formed at the bottom of the adjusting post, the upper portion of the pressing post is slidably disposed in the buffering cavity, the limiting block is disposed at the upper portion of the pressing post, and the elastic member is disposed between the top of the limiting block and the top of the buffering cavity.

5. The automobile welding fixture according to claim 1, wherein an annular sliding groove is formed in the top of the base, and sliding blocks slidably mounted in the annular sliding groove are symmetrically arranged at the bottom of the rotating plate.

6. The automobile welding jig of claim 1, wherein a rubber pad is provided at the bottom of the pressing column.