CN215469281U

CN215469281U - Automatic overturning welding fixture for automobile

Info

Publication number: CN215469281U
Application number: CN202121824009.6U
Authority: CN
Inventors: 王欣; 黄璜; 杨焕
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-08-05
Filing date: 2021-08-05
Publication date: 2022-01-11
Anticipated expiration: 2031-08-05

Abstract

The utility model discloses an automatic overturning welding fixture for an automobile, and relates to the field of welding fixtures. The utility model provides an automatic upset of car welds dress anchor clamps, including welding support base and pedestal screw, welding support base one side has first clamping device through pedestal mounting screw, and welding support base opposite side has second clamping device through pedestal mounting screw, first clamping device top is connected with the pulling handle, and first clamping device one side is connected with preceding push rod, the cooperation of preceding push rod rear end outside is installed and is removed the cover, preceding push rod opposite side assembles in first assembly plate inboardly, and assembly screw fixed mounting is passed through at first assembly plate both ends in clamping head one side, the first end of clamping contacts the installation and remains the centre gripping work piece, and treat centre gripping work piece opposite side contact and install the fixed head, the inboard screw cooperation of fixed head installs the rear end ejector pin, and pass through elasticity clamping device fixed connection between rear end ejector pin and the fixed head. The utility model has the advantage of preventing the clamp from falling off in the overturning process.

Description

Automatic overturning welding fixture for automobile

Technical Field

The utility model relates to the field of welding fixtures, in particular to an automatic overturning welding fixture for an automobile.

Background

The welding fixture is used for ensuring the size of a weldment, improving the assembly precision and efficiency and preventing welding deformation; the fixture is used for ensuring the size of a weldment, improving the assembly precision and efficiency and preventing welding deformation; in the process of welding parts, in order to realize stable clamping of parts, a welding clamp needs to be installed.

According to "an automatic upset of car welds clamping apparatus" that chinese patent grant publication No. CN210818163U provided, the device includes the base, the fixed plate is installed at the top of base, two rodless cylinders are installed at the top of base, two install the movable plate between the mobile station of rodless cylinder, fixed round frame is all installed at the top of movable plate and fixed plate. This automatic upset of car welds dress anchor clamps drives the movable plate through no pole cylinder and removes to adjust the interval of two fixed circle frames, later place automobile parts on the clamping piece, make the clamping piece press from both sides automobile parts tightly, make automobile parts obtain the centre gripping, so that the assembly welding goes on, and it is rotatory to utilize servo motor to drive the backup pad, but drops easily among the anchor clamps upset process, consequently, it welds dress anchor clamps and solves above-mentioned technical problem to be necessary to provide an automatic upset of car.

SUMMERY OF THE UTILITY MODEL

The utility model provides an automatic overturning welding fixture for an automobile, which solves the technical problem that a traditional fixture is easy to fall off in an overturning process.

In order to solve the technical problems, the utility model provides an automatic overturning welding fixture for an automobile, which comprises a welding support base and a base body screw, wherein one side of the welding support base is provided with a first clamping device through the base body screw, the other side of the welding support base is provided with a second clamping device through the base body screw, the top end of the first clamping device is connected with a pulling handle, one side of the first clamping device is connected with a front push rod, the outer side of the rear end of the front push rod is provided with a moving sleeve in a matching way, the other side of the front push rod is assembled at the inner side of a first assembling plate, two ends of the first assembling plate are fixedly arranged at one side of a clamping head through assembling screws, one end of the clamping head is provided with a workpiece to be clamped in a contact way, the other side of the workpiece to be clamped is provided with a fixed head in a contact way, the screw at the inner side of the fixed head is provided with a rear end ejector rod in a matching way, and the rear end ejector rod and the fixed head are fixedly connected through an elastic clamping device, rear end ejector pin one side is connected in second clamping device front end, bottom slider is installed to first clamping device and second clamping device bottom surface, and the inboard cooperation of bottom slider installs the bottom slide, has and prevents that the in-process anchor clamps of overturning from droing, advantages such as anchor clamps centre gripping is effectual.

Preferably, the plate body mounting hole has been seted up to welding support base bottom surface four corners department, and the slide screw is installed to bottom slide both sides, can install fixed welding support base.

Preferably, preceding push rod one end is connected in the rear end swivel mount, and the inboard cooperation of rear end swivel mount has first rotating pin, tip fixation nut is installed to preceding push rod other end screw thread, and installs between preceding push rod and the first assembly plate and assemble supporting, can realize the forward motion of dress chuck.

Preferably, the first clamping device comprises a pushing support seat, a pushing seat head is arranged at the upper end of the pushing support seat, and a second rotating pin is installed at the upper end of the pushing support seat in a matched mode.

Preferably, the assembly screws are installed at two ends of the first assembly plate in a threaded mode, and the movement of the front push rod can be controlled.

Preferably, a second assembling plate is installed between the inner side of the fixing head and the rear end ejector rod, and connection between the rear end ejector rod and the fixing head can be achieved.

Preferably, the elastic clamping device comprises a bottom end top plate, a buffer spring is installed on one side of the bottom end top plate in a contact mode, a front end top plate is installed on the other side of the buffer spring, and stable clamping of the workpiece can be achieved.

Compared with the prior art, the automatic overturning welding fixture for the automobile, provided by the utility model, has the following beneficial effects:

1. the utility model provides an automatic turnover welding fixture for an automobile, which is characterized in that a fixing head, a clamping head and other parts are arranged, a worker places a workpiece to be clamped between the clamping head and the fixing head for clamping, the specific operation flow is that the clamping head moves backwards, the fixing head is fixed, a gap is left between the fixing head and the clamping head for clamping, the worker pulls a pulling handle at the top end of a first clamping device, a second rotating pin and a rear end rotating seat are assembled and installed between the pulling handle and the pushing support seat, when a worker pulls the handle backwards, the handle drives the rear end rotating seat to move towards the rear side, one side of the rear end rotating seat is connected through a first rotating pin, the rear side of the rotating seat moves and simultaneously drives the rear side of the front push rod to move, and preceding push rod one side is fixed with first assembly plate through the assembly screw, and when the body of rod motion, first assembly plate moves with following, has solved the problem that drops easily among the traditional anchor clamps reversal process.

2. The utility model provides an automatic overturning welding fixture for an automobile, which is characterized in that a second assembling plate, a buffer spring and other components are installed, a fixing head is installed on the other side of a workpiece to be clamped, an elastic clamping device is additionally installed on the second assembling plate on the inner side of the fixing head, the buffer spring is arranged in the elastic clamping device, when the space of the workpiece is insufficient and needs to be compensated in the clamping process, the spring is compressed, the fixing head moves backwards to provide a certain compensation space, in the clamping process, a clamping head can be manually adjusted to move, the fixing head belongs to a fixed end in most cases and is used for calibrating and placing the workpiece, the movement of the clamping head is carried out through the cooperation of a bottom sliding block and a bottom sliding seat at the bottom, and the problem that the fixed end of the traditional fixture cannot be compensated is solved.

Drawings

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

FIG. 2 is a partial schematic view of a first clamping device according to the present invention;

FIG. 3 is a partial view of the front putter in accordance with the present invention;

fig. 4 is a partial schematic view of the structure of the elastic clamping device of the present invention.

Reference numbers in the figures: 1. welding a support base; 101. a plate body mounting hole; 2. a front push rod; 201. a rear end swivel base; 202. a first rotation pin; 203. an end fixing nut; 204. assembling; 3. a first clamping device; 301. a second rotation pin; 302. pushing the supporting seat; 303. a seat body screw; 304. pushing the seat head; 4. pulling the handle; 5. moving the sleeve; 6. assembling a chuck; 7. a first fitting plate; 701. assembling screws; 8. a workpiece to be clamped; 9. a fixed head; 901. a second fitting plate; 10. an elastic clamping device; 1001. a bottom end top plate; 1002. a front end top plate; 1003. a buffer spring; 11. a second clamping device; 12. a bottom slider; 13. a rear end ejector pin; 14. a bottom slide carriage; 1401. a slide screw.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

The first embodiment is as follows:

referring to fig. 1-4, the present invention provides a technical solution: an automatic overturning welding fixture for an automobile comprises a welding support base 1 and a base body screw 303, wherein a first clamping device 3 is installed on one side of the welding support base 1 through the base body screw 303, a second clamping device 11 is installed on the other side of the welding support base 1 through the base body screw 303, a pulling handle 4 is connected to the top end of the first clamping device 3, a front push rod 2 is connected to one side of the first clamping device 3, a moving sleeve 5 is installed on the outer side of the rear end of the front push rod 2 in a matched mode, the other side of the front push rod 2 is assembled on the inner side of a first assembling plate 7, two ends of the first assembling plate 7 are fixedly installed on one side of a clamping head 6 through assembling screws 701, one end of the clamping head 6 is installed in a contact mode with a workpiece 8 to be clamped, a fixing head 9 is installed on the other side of the workpiece 8 to be clamped in a contact mode, a rear end ejector rod 13 is installed on the inner side of the fixing head 9 in a matched mode through screws, and the rear end ejector rod 13 is fixedly connected with the fixing head 9 through an elastic clamping device 10, one side of the rear end ejector rod 13 is connected to the front end of the second clamping device 11, the bottom sliding blocks 12 are arranged on the bottom surfaces of the first clamping device 3 and the second clamping device 11, and the bottom sliding seats 14 are arranged on the inner sides of the bottom sliding blocks 12 in a matched mode, so that the novel clamping device has the advantages of preventing a clamp from falling off in the overturning process, being good in clamping effect of the clamp and the like; plate body mounting holes 101 are formed in four corners of the bottom surface of the welding support base 1, and sliding base screws 1401 are mounted on two sides of the bottom sliding base 14 and can be used for mounting and fixing the welding support base 1.

In this embodiment, clamping head 6 moves backward, fixed head 9 is motionless, leave the space between the two and carry out the clamping, the staff pulls the pulling handle 4 on 3 tops of first clamping device, assembly mounting has second rotating pin 301 and rear end swivel mount 201 between pulling handle 4 and promotion supporting seat 302, when the staff pulls the handle backward, the handle drives rear end swivel mount 201 and moves to the rear side, rear end swivel mount 201 one side is connected through first rotating pin 202, the rear side motion of push rod 2 before the drive of swivel mount rear side motion simultaneously, and 2 one side of preceding push rod is fixed with first assembly plate 7 through assembly screw 701, when the body of rod moves, first assembly plate 7 with follow and move, the problem that drops easily in the traditional anchor clamps reversal process has been solved.

Example two:

referring to fig. 1-4, the present invention provides a technical solution: an automatic overturning welding fixture for an automobile is characterized in that one end of a front push rod 2 is connected to a rear end rotating base 201, a first rotating pin 202 is matched with the inner side of the rear end rotating base 201, an end fixing nut 203 is installed at the other end of the front push rod 2 in a threaded mode, an assembling sleeve 204 is installed between the front push rod 2 and a first assembling plate 7, and the forward movement of an assembling head 6 can be achieved; the first clamping device 3 comprises a pushing support base 302, a pushing base head 304 is arranged at the upper end of the pushing support base 302, and a second rotating pin 301 is arranged at the upper end of the pushing support base 302 in a matched mode; the two ends of the first assembling plate 7 are provided with assembling screws 701 in a threaded manner, and the movement of the front push rod 2 can be controlled; a second assembling plate 901 is arranged between the inner side of the fixed head 9 and the rear end ejector rod 13, so that the connection between the rear end ejector rod 13 and the fixed head 9 can be realized; the elastic clamping device 10 comprises a bottom end top plate 1001, a buffer spring 1003 is installed on one side of the bottom end top plate 1001 in a contact mode, a front end top plate 1002 is installed on the other side of the buffer spring 1003, and stable clamping of a workpiece can be achieved.

In this embodiment, fixed head 9 is installed at the opposite side of treating centre gripping work piece 8, elastic clamping device 10 is heavily installed to second mounting panel 901 at fixed head 9 inboard, buffer spring 1003 has been seted up in the elastic clamping device 10, in the clamping process, when the space of work piece is not enough to need mend the position, spring compression, fixed head 9 backward motion can provide certain position space of meneing, in the above-mentioned clamping process, clamping head 6 can manually regulated moves, and fixed head 9 belongs to the stiff end under most of the circumstances, be used for the calibration with put the work piece, the removal of clamping head 6 is gone on through the cooperation of bottom slider 12 and bottom slide 14 of bottom, the unable problem of mending of traditional anchor clamps stiff end has been solved.

The working principle of the automatic overturning welding fixture for the automobile provided by the utility model is as follows:

the first innovation point implementation step:

the first step is as follows: a worker places a workpiece 8 to be clamped between the clamping head 6 and the fixing head 9 for clamping, the specific operation flow is that the clamping head 6 moves backwards, the fixing head 9 is fixed, and a gap is reserved between the clamping head 6 and the fixing head 9 for clamping;

the second step is that: a worker pulls a pulling handle 4 at the top end of the first clamping device 3, and a second rotating pin 301 and a rear end rotating seat 201 are assembled and installed between the pulling handle 4 and a pushing support seat 302;

the third step: when the staff pulled the handle backward, the handle drove rear end swivel mount 201 to the motion of rear side, and rear end swivel mount 201 one side is connected through first rotation pin 202, drove the rear side motion of preceding push rod 2 in the time of the motion of swivel mount rear side, and preceding push rod 2 one side is fixed with first assembly plate 7 through assembly screw 701, and when the body of rod moved, first assembly plate 7 moved with following.

The implementation step of the second innovation point:

the first step is as follows: the first assembling plate 7 and the clamping head 6 are fixedly installed through an assembling screw 701, and when the front push rod 2 moves forwards or backwards, the clamping head 6 also moves forwards or backwards;

the second step is that: a fixing head 9 is arranged on the other side of the workpiece 8 to be clamped, an elastic clamping device 10 is arranged on a second assembling plate 901 on the inner side of the fixing head 9, a buffer spring 1003 is arranged in the elastic clamping device 10, when the space of the workpiece is insufficient and position compensation is needed in the clamping process, the spring is compressed, and a certain position compensation space can be provided by backward movement of the fixing head 9;

the third step: during the clamping process, the clamping head 6 can be manually adjusted to move, while the fixed head 9 is mostly a fixed end for aligning and placing the workpiece, and the movement of the clamping head 6 is performed by the cooperation of the bottom slide block 12 and the bottom slide 14.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an automatic upset of car welds dress anchor clamps, includes welding support base (1) and pedestal screw (303), its characterized in that: the welding support device is characterized in that a first clamping device (3) is installed on one side of a welding support base (1) through a base body screw (303), a second clamping device (11) is installed on the other side of the welding support base (1) through the base body screw (303), a pulling handle (4) is connected to the top end of the first clamping device (3), a front push rod (2) is connected to one side of the first clamping device (3), a moving sleeve (5) is installed on the outer side of the rear end of the front push rod (2) in a matched mode, the other side of the front push rod (2) is assembled on the inner side of a first assembling plate (7), two ends of the first assembling plate (7) are fixedly installed on one side of a clamping head (6) through assembling screws (701), one end of the clamping head (6) is installed in a contact mode to hold a workpiece (8), a fixing head (9) is installed on the other side of the clamped workpiece (8) in a contact mode, and a rear end ejector rod (13) is installed on the inner side of the fixing head (9) in a matched mode through screws, and a rear end ejector rod (13) is fixedly connected with the fixed head (9) through an elastic clamping device (10), one side of the rear end ejector rod (13) is connected to the front end of a second clamping device (11), a bottom sliding block (12) is installed on the bottom surfaces of the first clamping device (3) and the second clamping device (11), and a bottom sliding seat (14) is installed on the inner side of the bottom sliding block (12) in a matched mode.

2. The automatic automobile overturning and welding fixture according to claim 1, wherein plate body mounting holes (101) are formed in four corners of the bottom surface of the welding support base (1), and slide screws (1401) are mounted on two sides of the bottom slide (14).

3. The automatic automobile overturn welding fixture as claimed in claim 1, wherein one end of the front push rod (2) is connected to the rear end rotary base (201), the inner side of the rear end rotary base (201) is fitted with the first rotary pin (202), the other end of the front push rod (2) is threadedly mounted with the end fixing nut (203), and the assembling sleeve (204) is mounted between the front push rod (2) and the first assembling plate (7).

4. The automatic automobile turnover welding fixture as claimed in claim 1, wherein the first clamping device (3) comprises a pushing support base (302), a pushing base head (304) is formed at an upper end of the pushing support base (302), and a second rotating pin (301) is fittingly installed at an upper end of the pushing support base (302).

5. The automatic automobile overturn welding fixture as claimed in claim 1, characterized in that the first assembly plate (7) is screw-mounted with assembly screws (701) at both ends.

6. The automatic automobile overturn welding fixture as claimed in claim 1, characterized in that a second assembly plate (901) is installed between the inner side of the fixing head (9) and the rear end mandril (13).

7. The automatic automobile overturning and welding fixture according to claim 1, wherein the elastic clamping device (10) comprises a bottom end top plate (1001), one side of the bottom end top plate (1001) is provided with a buffer spring (1003) in a contact manner, and the other side of the buffer spring (1003) is provided with a front end top plate (1002).