CN212496258U

CN212496258U - Multi-station automatic rotating automobile welding fixture mechanism

Info

Publication number: CN212496258U
Application number: CN202020723679.8U
Authority: CN
Inventors: 陈尧
Original assignee: Kunshan Kedipu Mechanical Equipment Co ltd
Current assignee: Kunshan Kedipu Mechanical Equipment Co ltd
Priority date: 2020-05-06
Filing date: 2020-05-06
Publication date: 2021-02-09
Anticipated expiration: 2030-05-06

Abstract

The utility model discloses a multistation automatic rotary automobile welding fixture mechanism in the technical field of multistation automatic rotary automobile welding fixture mechanisms, which comprises a lifting supporting leg, wherein the upper end of the lifting supporting leg is fixedly connected with a first rotary disk, and a second rotary disk is arranged above the first rotary disk in a rolling and rotating way; a connecting plate is fixedly connected below the first rotating disk, the connecting plate is fixedly connected with an installation plate, and a rotating driving mechanism is fixedly connected above the installation plate; a welding platform is fixedly connected above the second rotating disk, clamping grooves are formed in the periphery above the welding platform, and clamping plates are arranged in the clamping grooves; the outer side of the clamping plate is fixedly connected with a connecting ring, the inner wall of the connecting ring is rotatably connected with a threaded rod, the outer side of the clamping groove is provided with a plurality of internal threaded holes, and the threaded rod is in threaded connection with the internal threaded holes; the utility model can clamp and fix the automobile shell, and prevent the automobile shell from moving or tilting during welding; the welding platform can be controlled to rotate, and the welding position is converted to a station convenient for welding.

Description

Multi-station automatic rotating automobile welding fixture mechanism

Technical Field

The utility model relates to a multistation autogiration car welding jig technical field specifically is a multistation autogiration car welding jig mechanism.

Background

Welding, also known as fusion, is a manufacturing process and technique for joining metals or other thermoplastic materials, such as plastics, by means of heat, high temperature or pressure. Welding accomplishes the purpose of joining by three ways:

1. and (6) welding. The workpieces to be joined are heated to be partially melted to form a molten pool, and the molten pool is joined after being cooled and solidified, and a melting filler can be added for assistance if necessary, so that the welding device is suitable for welding processing of various metals and alloys without pressure.

2. And (5) pressure welding. The welding process must apply pressure to the welding piece, and belongs to the processing of various metal materials and partial metal materials.

3. And (6) brazing. The method is characterized in that a metal material with a melting point lower than that of a base metal is used as a brazing filler metal, the base metal is wetted by the liquid brazing filler metal, a joint gap is filled, and the liquid brazing filler metal and the base metal are mutually diffused to realize a link weldment. It is suitable for welding various materials, and also suitable for welding different metals or different materials.

The jig is a device for fixing a processing object to occupy a correct position for receiving construction or inspection in a machine manufacturing process. The shell of the automobile which is frequently contacted in our life is formed by welding a plurality of parts.

However, the automobile shell is irregular in shape, so that the fixation is quite inconvenient, the automobile shell is easy to shift or even tilt during welding, the welding position is deviated, the automobile shell is scrapped, and the loss is heavy. The clamping position of the existing automobile welding clamp cannot be adjusted, and when an automobile shell is clamped and positioned, the clamping position is just a welding station. And current car welding jig is unrotatable, and when the welding space was limited, when having obstacles such as mobilizable wall body on certain station, can hinder the welding process.

Based on this, the utility model designs an autogiration car welding jig mechanism of multistation to solve above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an automatic rotatory car welding jig mechanism of multistation to solve and to provide in the above-mentioned background art because the automobile shell is irregular shape, fixed very inconvenient, the automobile shell shifts easily during the welding and sticks up even, leads to welding position deviation to appear, and the car shell is scrapped, the tragic thing. The clamping position of the existing automobile welding clamp cannot be adjusted, and when an automobile shell is clamped and positioned, the clamping position is just a welding station. And current car welding jig is unrotatable, and when the welding space was limited, when having obstacles such as mobilizable wall body on certain station, can hinder the problem of welding process.

In order to achieve the above object, the utility model provides a following technical scheme:

a multi-station automatic rotating automobile welding fixture mechanism comprises a lifting supporting leg, wherein a first rotating disc is fixedly connected to the upper end of the lifting supporting leg, and a second rotating disc is rotatably connected above the first rotating disc; a connecting plate is fixedly connected below the first rotating disc, the connecting plate is fixedly connected with an installation plate, and a rotating driving mechanism is fixedly connected above the installation plate; a welding platform is fixedly connected above the second rotating disk, clamping grooves are formed in the periphery above the welding platform, and clamping plates are arranged in the clamping grooves; the utility model discloses a clamp plate, including clamp plate, go-between, tight groove, threaded rod, rocking bar piece, rocking bar hole, the clamp plate outside fixedly connected with go-between, go-between inner wall rotates and is connected with the threaded rod, the tight groove outside of clamp is equipped with a plurality of internal thread holes, threaded rod and internal thread hole threaded connection, the one end fixedly connected with rocking bar piece of clamp plate is kept away from to the threaded rod, the inside rocking bar hole that is equipped with of rocking bar piece, the rocker of being convenient for peg graft.

As a further scheme of the utility model, the lifting support leg comprises a hydraulic rod and a base, and the height of the welding platform can be reduced by the hydraulic rod before the automobile shell is placed on the welding platform, so that the placing difficulty is reduced; and two ends of the hydraulic rod are respectively and fixedly connected with the base and the first rotating disk.

As a further aspect of the utility model, first rotary disk top is equipped with the swivelling chute, second rotary disk below evenly is equipped with a plurality of ball grooves.

As a further scheme of the utility model, the second rotating disk is rotationally connected with the rotating groove, so that the second rotating disk can be ensured to rotate relative to the first rotating disk, and the other four degrees of freedom are restrained at the same time, and the second rotating disk can be prevented from being separated from the first rotating disk due to the larger weight of the welding platform; the ball groove is connected with a rotating ball in a rotating mode, and resistance applied to the rotating ball during rotation is reduced.

As a further aspect of the present invention, the rotation driving mechanism includes a motor, and a first rotation shaft is fixedly connected to a top of the motor.

As a further aspect of the utility model, first rotation axis fixedly connected with second rotation axis, the rotatory piece of welding platform below fixedly connected with, the second rotation axis other end and rotatory piece fixed connection through the rotatory arm of force of second rotation axis increase, reduce the demand to the performance of motor, increase motor life.

As a further aspect of the present invention, the second rotating shaft is perpendicular to the first rotating shaft axis.

As a further aspect of the utility model, press from both sides tight groove including transposition groove and board groove, board groove and transposition groove intercommunication, one transposition groove and a plurality of board groove cooperation are used, can change the clamp plate position through the transposition groove.

As a further aspect of the present invention, the plate groove is a T-shaped groove, and the clamping plate and the plate groove are slidably connected to each other, so that the clamping plate can only slide along the plate groove when the plate groove is formed.

Advantageous effects

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

1. through the cooperation use of structures such as threaded rod, clamp plate, clamping groove, go-between and welded platform, rotatory threaded rod can promote the clamp plate and press from both sides the automobile casing of welded platform top tight fixedly, and automobile casing removes or the perk when preventing to weld, avoids the automobile casing to scrap, reduction loss.

2. The clamping plate can move to different plate grooves through the transposition grooves, and when the automobile shell is clamped, the clamping plate is pushed to the proper plate groove through the transposition grooves, so that the welding position can be avoided. The threaded rod is connected with the clamping plate through the connecting ring, so that the threaded rod and the clamping plate can be separated while the direction of the thrust of the threaded rod is not deviated, and the clamping plate can be conveniently converted into different plate grooves.

3. Be provided with rotary driving mechanism, rotate through the motor and can drive welded platform easily and rotate, have immovable or unchangeable barriers such as wall body when welded platform one side station, steerable welded platform rotates, converts the welding position into the station of being convenient for the welding. Through setting up the second rotary rod, the rotatory arm of force of increase reduces the demand to the performance of motor, saves the cost on the one hand, and on the other hand can prolong motor life.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic bottom view of the present invention;

fig. 3 is a schematic view of the rotary driving mechanism of the present invention;

FIG. 4 is a schematic cross-sectional view of the clamping groove of the present invention;

fig. 5 is an enlarged schematic view of a portion a of fig. 4 according to the present invention;

FIG. 6 is a schematic cross-sectional view of a rotating disk according to the present invention;

fig. 7 is an enlarged schematic view of a portion B of fig. 6 according to the present invention;

fig. 8 is a schematic view of the rotary ball of the present invention.

In the drawings, the components represented by the respective reference numerals are listed below:

1-lifting support leg, 2-first rotating disk, 3-second rotating disk, 4-connecting plate, 5-mounting plate, 6-rotary driving mechanism, 7-welding platform, 8-clamping groove, 9-clamping plate, 10-connecting ring, 11-threaded rod, 12-internal threaded hole, 13-rocker block, 14-rocker hole, 15-hydraulic rod, 16-base, 17-rotating groove, 18-ball groove, 19-rotating ball, 20-motor, 21-first rotating shaft, 22-second rotating shaft, 23-rotating block, 24-transposition groove and 25-plate groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying 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. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-8, the present invention provides a technical solution:

a multi-station automatic rotating automobile welding fixture mechanism comprises a lifting supporting leg 1, wherein the upper end of the lifting supporting leg 1 is fixedly connected with a first rotating disc 2, and a second rotating disc 3 is rotatably connected above the first rotating disc 2; a connecting plate 4 is fixedly connected below the first rotating disk 2, the connecting plate 4 is fixedly connected with an installation plate 5, and a rotating driving mechanism 6 is fixedly connected above the installation plate 5; a welding platform 7 is fixedly connected above the second rotating disk 3, clamping grooves 8 are formed in the periphery above the welding platform 7, and clamping plates 9 are arranged in the clamping grooves 8; the outer side of the clamping plate 9 is fixedly connected with a connecting ring 10, the inner wall of the connecting ring 10 is connected with a threaded rod 11 in a rotating mode, a plurality of internal thread holes 12 are formed in the outer side of the clamping groove 8, the threaded rod 11 is in threaded connection with the internal thread holes 12, the threaded rod 11 is far away from one end of the clamping plate 9 and is fixedly connected with a rocker block 13, a rocker hole 14 is formed in the rocker block 13, a splicing rocker is convenient to insert, the force arm can be increased by rotating the threaded rod 11 through the rocker.

The lifting support leg 1 comprises a hydraulic rod 15 and a base 16, and the height of the welding platform 7 can be reduced through the hydraulic rod 15 before the automobile shell is placed on the welding platform 7, so that the placing difficulty is reduced; two ends of the hydraulic rod 15 are respectively fixedly connected with the base 16 and the first rotating disk 2. A rotating groove 17 is arranged above the first rotating disk 2, and a plurality of ball grooves 18 are uniformly arranged below the second rotating disk 3. The second rotating disk 3 is rotationally connected with the rotating groove 17, the other four degrees of freedom of the second rotating disk 3 are restricted while the second rotating disk 3 can rotate relative to the first rotating disk 2, and the second rotating disk 3 can be prevented from being separated from the first rotating disk 2 due to the fact that the welding platform 7 is heavy; the ball groove 18 is rotatably connected with a rotating ball 19, so that the resistance applied to rotation is reduced.

The rotation driving mechanism 6 includes a motor 20, and a first rotation shaft 21 is fixedly connected to an upper portion of the motor 20. First rotation axis 21 fixedly connected with second rotation axis 22, welding platform 7 below fixedly connected with rotatory piece 23, the other end of second rotation axis 22 and rotatory piece 23 fixed connection increase the rotatory arm of force through second rotation axis 22, reduce the demand to the performance of motor 20, increase motor 20 life. The second rotating shaft 22 is perpendicular to the first rotating shaft 21. The clamping groove 8 comprises a transposition groove 24 and a plate groove 25, the plate groove 25 is communicated with the transposition groove 24, one transposition groove 24 is matched with a plurality of plate grooves 25, and the position of the clamping plate 9 can be changed through the transposition groove 24. The plate groove 25 is a T-shaped groove, and the clamping plate 9 is slidably connected with the plate groove 25, so that the clamping plate 9 can only slide along the plate groove 25 when being in the plate groove 25.

One specific application of this embodiment is:

the utility model discloses mainly relate to two working processes during the use: a clamping process and a rotation process.

And (5) clamping. The threaded rod 11 is rotated away from the welding platform 7 and the clamping plate 9 is pushed all the way from the plate groove 25 to the indexing groove 24. The welding platform 7 is lowered by means of the hydraulic ram 15, after which the car housing is placed over the welding platform 7. The clamping plate 9 is pushed from the indexing groove 24 into the appropriate plate groove 25, taking care to avoid the welding position, which is as close as possible to the middle of the welding platform 7. Then, the threaded rod 11 is in threaded connection with the internal threaded hole 12, the crank is inserted into the crank hole, and the threaded rod 11 is rotated through the crank, so that the other end of the threaded rod 11 is inserted into the connecting ring 10. Continued rocking of the handle causes the threaded rod 11 to push the clamping plate 9 into contact and clamp the vehicle housing. Through the operation, the automobile shell can be clamped and fixed, and the automobile shell is prevented from moving or tilting during welding.

And (5) rotating. The motor 20 is started, the motor 20 rotates to drive the first rotating shaft 21 fixedly connected with the motor to rotate, and the first rotating shaft 21 rotates to drive the second rotating shaft 22 fixedly connected with the first rotating shaft to rotate. Since the rotary block 23 is fixedly connected to both the welding platform 7 and the second rotary shaft 22, the second rotary shaft 22 rotates to make the welding platform 7 tend to rotate. Because the second rotating disk 3 is fixedly connected below the welding platform 7, the second rotating disk 3 is rotationally connected with the rotating groove 17 above the first rotating disk 2; and a rotating ball 19 is rotatably connected in a ball groove 18 below the second rotating disk 3, and the rotating ball 19 supports the second rotating disk 3 to prevent the lower surface of the second rotating disk 3 from contacting with the first rotating disk 2, so that the friction resistance when the first rotating disk 2 and the second rotating disk 3 rotate relatively is reduced. Therefore, the second rotating shaft 22 can easily drive the welding platform 7 to rotate, and when a work station at one side of the welding platform 7 is provided with an immovable or unchangeable obstacle such as a wall, the welding platform 7 can be controlled to rotate, and the welding position is converted to a work station convenient for welding.

The utility model discloses can press from both sides the tight fixed with the automobile housing, automobile housing removes or the perk when preventing to weld, avoids the automobile housing to scrap, reduces the loss. When a wall body and other immovable or unchangeable obstacles are arranged at a station on one side of the welding platform 7, the welding platform 7 can be controlled to rotate, and the welding position is converted to the station convenient for welding.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. The utility model provides a multistation autogiration car welding jig mechanism, includes lift supporting leg (1), its characterized in that: the upper end of the lifting support leg (1) is fixedly connected with a first rotating disc (2), and a second rotating disc (3) is rotatably connected above the first rotating disc (2); a connecting plate (4) is fixedly connected below the first rotating disc (2), an installation plate (5) is fixedly connected with the connecting plate (4), and a rotating driving mechanism (6) is fixedly connected above the installation plate (5); a welding platform (7) is fixedly connected above the second rotating disk (3), clamping grooves (8) are formed in the periphery above the welding platform (7), and clamping plates (9) are arranged in the clamping grooves (8); the utility model discloses a clamp plate, including clamp plate (9), go-between (10) inner wall rotate and be connected with threaded rod (11), press from both sides tight groove (8) outside and be equipped with a plurality of internal thread holes (12), threaded rod (11) and internal thread hole (12) threaded connection, the one end fixedly connected with rocker piece (13) of clamp plate (9) are kept away from in threaded rod (11), rocker piece (13) inside is equipped with rocker hole (14).

2. The multi-station automatic rotating automobile welding fixture mechanism according to claim 1, characterized in that: the lifting support leg (1) comprises a hydraulic rod (15) and a base (16), and two ends of the hydraulic rod (15) are fixedly connected with the base (16) and the first rotating disk (2) respectively.

3. The multi-station automatic rotating automobile welding fixture mechanism according to claim 1, characterized in that: a rotating groove (17) is formed in the upper portion of the first rotating disk (2), and a plurality of ball grooves (18) are uniformly formed in the lower portion of the second rotating disk (3).

4. The multi-station automatic rotating automobile welding fixture mechanism according to claim 3, characterized in that: the second rotating disc (3) is rotatably connected with a rotating groove (17), and a rotating ball (19) is rotatably connected in the ball groove (18).

5. The multi-station automatic rotating automobile welding fixture mechanism according to claim 1, characterized in that: the rotary driving mechanism (6) comprises a motor (20), and a first rotating shaft (21) is fixedly connected above the motor (20).

6. The multi-station automatic rotating automobile welding fixture mechanism according to claim 5, characterized in that: first rotation axis (21) fixedly connected with second rotation axis (22), welding platform (7) below fixedly connected with rotatory piece (23), the second rotation axis (22) other end and rotatory piece (23) fixed connection.

7. The multi-station automatic rotating automobile welding fixture mechanism according to claim 6, wherein: the second rotating shaft (22) is perpendicular to the first rotating shaft (21) in axis.

8. The multi-station automatic rotating automobile welding fixture mechanism according to claim 1, characterized in that: the clamping groove (8) comprises transposition grooves (24) and plate grooves (25), the plate grooves (25) are communicated with the transposition grooves (24), and one transposition groove (24) is matched with a plurality of plate grooves (25) for use.

9. The multi-station automatic rotating automobile welding fixture mechanism according to claim 8, wherein: the plate groove (25) is a T-shaped groove, and the clamping plate (9) is connected with the plate groove (25) in a sliding mode.