CN212793766U - Welding fixture for trial production of vehicle body - Google Patents

Abstract

The utility model discloses a welding jig for automobile body trial-manufacturing, including chassis and baffle, the chassis upper end is fixed with the baffle, be provided with clamping structure on the chassis, clamping structure upper end both sides are provided with the regulation structure, clamping structure includes fixed sleeve, movable rod, draws handle, fixed block, first spring, locating piece and chuck, the chassis lower extreme is fixed with fixed sleeve, the fixed sleeve endotheca is equipped with the movable rod, the welding of movable rod lower extreme outer wall draws the handle, the fixed block upper end is fixed with the fixed block, the fixed block forms elastic connection through first spring and fixed sleeve's outer wall, the welding of movable rod top outer wall has the locating piece. This a welding jig for automobile body trial-manufacturing is provided with limiting plate, second spring, stopper, fixture block and push rod, has avoided current a welding jig for automobile body trial-manufacturing can't carry out the problem of supplementary centre gripping to the automobile body accessory of unidimensional not, has improved the suitability of device.

Description

Welding fixture for trial production of vehicle body

Technical Field

The utility model relates to a welding jig technical field specifically is a welding jig for automobile body trial-manufacturing.

Background

With the increasing demand of people on automobiles, the manufacturing industry of automobiles is developing vigorously, welding fixtures for trial production of automobile bodies are widely used, and the existing welding fixtures for trial production of automobile bodies are mainly used for auxiliary clamping of automobile body accessories to be welded, can basically meet daily use demands, but still have some defects and need improvement.

Most of the existing welding fixtures for trial production of vehicle bodies are fixed, only the vehicle body fittings with limited sizes can be fixed in an auxiliary mode, when workers perform welding operation on the vehicle body fittings with different sizes, the corresponding welding fixtures need to be prepared in advance, the preparation time of the operation is prolonged, the working efficiency is reduced, and the device is low in applicability.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a welding jig for automobile body trial-manufacturing to the current welding jig for automobile body trial-manufacturing who proposes in solving above-mentioned background art can't carry out the problem of supplementary centre gripping to the automobile body accessory of unidimensional.

In order to achieve the above object, the utility model provides a following technical scheme: a welding fixture for trial production of a vehicle body comprises a chassis and a baffle, wherein the baffle is fixed at the upper end of the chassis, a clamping structure is arranged on the chassis, and adjusting structures are arranged on two sides of the upper end of the clamping structure; the clamping structure comprises a fixed sleeve, a movable rod, a pull handle, a fixed block, a first spring, a positioning block and a chuck, wherein the lower end of the chassis is fixed with the fixed sleeve, the movable rod is sleeved in the fixed sleeve, the pull handle is welded on the outer wall of the lower end of the movable rod, the fixed block is fixed at the upper end of the fixed block, the fixed block is elastically connected with the outer wall of the fixed sleeve through the first spring, the positioning block is welded on the outer wall of the top end of the movable rod, and the chucks are arranged on two sides of the positioning.

Preferably, a sliding hole is formed in the fixed sleeve, and the aperture size of the sliding hole is the same as the outer diameter size of the movable rod.

Preferably, the included angle between the two groups of collets is ninety degrees.

Preferably, adjust the structure and include first activity storehouse, movable block, second activity storehouse, limiting plate, second spring, stopper, fixture block, push rod, slider and 19, first activity storehouse has all been seted up to the locating piece both sides one side all is fixed with the movable block relatively of chuck, the movable block all overlaps to inlay in first activity storehouse, the second activity storehouse has all been seted up in the movable block, the second activity storehouse endotheca is equipped with the limiting plate, the limiting plate all forms elastic connection through second spring and second activity storehouse inner wall, the stopper has all been welded to the relative one end of limiting plate, the relative one end in first activity storehouse all is fixed with the fixture block, the limiting plate front end is fixed with the push rod.

Preferably, the clamping blocks are all inclined, and the opposite ends of the limiting blocks are all inclined corresponding to the clamping blocks.

Preferably, the outer wall of the opposite end of the limiting plate is attached to the inner wall of the second movable bin, and the width of the limiting plate is the same as that of the second movable bin.

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

1. this a welding jig for automobile body trial-manufacturing is provided with the movable rod, draw the handle, the fixed block, a first spring, locating piece and chuck, draw the handle to make the movable rod drive the fixed block downstream through the pulling, the locating piece drives two sets of chucks downstream under the effect of movable rod, only need place the automobile body accessory between chuck and baffle this moment, loosen and draw and make first spring promote the fixed block upward movement, the movable rod receives the effort of fixed block and drives two sets of chucks motion to the automobile body accessory surface, make two sets of chucks form the clamping action to the automobile body accessory fast, the loaded down with trivial details operation has been avoided, the practicality of device has been improved.

2. This a welding jig for automobile body trial-manufacturing is provided with the limiting plate, the second spring, the stopper, fixture block and push rod, it makes the limiting plate drive the stopper leave inside the fixture block to make the limiting plate drive the stopper through the pulling push rod, the limiting displacement to the stopper is relieved to the fixture block this moment, the pulling push rod makes the movable block drive the chuck and moves to suitable position, then loosen the push rod and make the second spring promote the limiting plate outwards pop out, the stopper receives in the effort embedding fixture block of limiting plate, make the fixture block form outside limiting displacement to the stopper, the problem of the unable auxiliary clamping to the not unidimensional automobile body accessory of the welding jig who is used for automobile body trial-manufacturing that has now has been avoided.

Drawings

Fig. 1 is a schematic front view of a cross-sectional structure of the present invention;

fig. 2 is a schematic top view of the positioning block of the present invention;

fig. 3 is an enlarged schematic view of fig. 1 at a of the present invention;

fig. 4 is an enlarged schematic view of the position B of fig. 2 according to the present invention.

In the figure: 1. a chassis; 2. a baffle plate; 3. fixing the sleeve; 4. a movable rod; 5. pulling a handle; 6. a fixed block; 7. a first spring; 8. positioning blocks; 9. a chuck; 10. a first movable bin; 11. a movable block; 12. a second movable bin; 13. a limiting plate; 14. a second spring; 15. a limiting block; 16. a clamping block; 17. a push rod.

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 in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides an embodiment:

a welding fixture for trial production of a vehicle body comprises a chassis 1 and a baffle 2, wherein the baffle 2 is fixed at the upper end of the chassis 1, a clamping structure is arranged on the chassis 1, and adjusting structures are arranged on two sides of the upper end of the clamping structure; the utility model discloses in, the clamping structure includes fixed sleeve 3, the movable rod 4, draw 5, the fixed block 6, first spring 7, locating piece 8 and chuck 9, 1 lower extreme on chassis is fixed with fixed sleeve 3, fixed sleeve 3 endotheca is equipped with movable rod 4, the welding of 4 lower extreme outer walls of movable rod has and draws 5, 6 upper ends of fixed block are fixed with fixed block 6, fixed block 6 forms elastic connection through the outer wall of first spring 7 with fixed sleeve 3, the welding of 4 top outer walls of movable rod has locating piece 8, 8 both sides of locating piece are provided with chuck 9.

The utility model discloses in, preferred, set up the slide opening in the fixed sleeve 3, the aperture size of slide opening is the same with movable rod 4's external diameter size, through this design, when movable rod 4 slided in fixed sleeve 3, has ensured that movable rod 4 can not produce at the in-process of motion and has rocked, has improved the stability of device.

The utility model discloses in, preferred, the contained angle between two sets of chucks 9 is ninety degrees, through this design, when two sets of chucks 9 moved to the automobile body accessory under the effect of locating piece 8, has ensured that two sets of chucks 9 make the automobile body accessory form the ninety degree right angle.

The utility model discloses in, it is preferred, adjust the structure and include first activity storehouse 10, movable block 11, second activity storehouse 12, limiting plate 13, second spring 14, stopper 15, fixture block 16, push rod 17, slider 18 and 19, first activity storehouse 10 has all been seted up to locating piece 8 both sides, the relative one side of both sides chuck 9 all is fixed with movable block 11, movable block 11 all overlaps to inlay in first activity storehouse 10, second activity storehouse 12 has all been seted up in the movable block 11, second activity storehouse 12 endotheca is equipped with limiting plate 13, limiting plate 13 all forms elastic connection through second spring 14 and second activity storehouse 12 inner wall, limiting plate 13 relative one end all welds stopper 15, first activity storehouse 10 is relative one end all is fixed with fixture block 16, limiting plate 13 front end is fixed with push rod 17.

The utility model discloses in, preferred, fixture block 16 all is the slope form, and the relative one end of stopper 15 all is the slope form corresponding with fixture block 16, through this design, when needs upwards promote chuck 9, under the effect of the slope form outward appearance of stopper 15 and fixture block 16, make inside stopper 15 can upwards leave fixture block 16 fast to in embedding fixture block 16 of suitable position department under the effect of second spring 14, improved the ease for use of device.

The utility model discloses in, preferred, the relative one end outer wall of limiting plate 13 is laminated with the 12 inner walls in second activity storehouse mutually, and the width size of limiting plate 13 is the same with the width size in second activity storehouse 12, through this design, when limiting plate 13 received the effort of push rod 17 along the interior motion of second activity storehouse 12, has ensured that limiting plate 13 is at the interior smooth motion of second activity storehouse 12, has further improved the stability of device.

The utility model discloses a theory of operation and use flow: when the automobile accessory clamp is used, the pull handle 5 is pulled outwards, the movable rod 4 drives the fixed block 6 to move downwards under the action of the pull handle 5, the first spring 7 contracts to store force, the positioning block 8 drives the two groups of chucks 9 to move downwards under the action of the movable rod 4, then an automobile accessory is placed between the baffle plate 2 and the chucks 9, the pulling force on the pull handle 5 is relieved, the first spring 7 is restored to the initial state, the fixed block 6 is pushed to move upwards, and at the moment, the positioning block 8 drives the chucks 9 to move to the outer surface of the automobile accessory under the action of the fixed block 6, so that the two groups of chucks 9 clamp the automobile accessory.

When the large-size automobile body accessories need to be welded, the push rod 17 is pulled outwards to enable the limiting plate 13 to move inwards along the second movable bin 12 under the action of the push rod 17, the second spring 14 contracts to store force, the limiting block 15 leaves the clamping block 16 under the action of the second movable bin 12, the clamping block 16 relieves the limiting effect on the limiting block 15 at the moment, then the push rod 17 is pulled downwards to enable the second movable bin 12 to drive the clamping head 9 to move to a proper position, the pulling force on the push rod 17 is relieved, the second spring 14 restores to an initial state to push the limiting plate 13 to drive the limiting block 15 to be embedded into the clamping block 16, the clamping block 16 forms a downward limiting effect on the limiting block 15 at the moment, when the small-size automobile body accessories need to be welded, the push rod 17 is only required to be pushed upwards, the limiting block 15 can rapidly move upwards under the inclined appearance of the clamping block 16 and the clamping block 16 is embedded into the clamping block 16 under the action, allowing the collet 9 to move rapidly into position, and the operation is complete.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (6)

1. The utility model provides a welding jig for automobile body trial-manufacturing, includes chassis (1) and baffle (2), chassis (1) upper end is fixed with baffle (2), its characterized in that: a clamping structure is arranged on the chassis (1), and adjusting structures are arranged on two sides of the upper end of the clamping structure; clamping structure includes fixed sleeve (3), movable rod (4), draws (5), fixed block (6), first spring (7), locating piece (8) and chuck (9), chassis (1) lower extreme is fixed with fixed sleeve (3), fixed sleeve (3) endotheca is equipped with movable rod (4), the welding of movable rod (4) lower extreme outer wall has the handle of drawing (5), fixed block (6) upper end is fixed with fixed block (6), fixed block (6) form elastic connection through the outer wall of first spring (7) and fixed sleeve (3), the welding of movable rod (4) top outer wall has locating piece (8), locating piece (8) both sides are provided with chuck (9).

2. A welding jig for trial production of a vehicle body according to claim 1, characterized in that: a sliding hole is formed in the fixed sleeve (3), and the aperture size of the sliding hole is the same as the outer diameter size of the movable rod (4).

3. A welding jig for trial production of a vehicle body according to claim 1, characterized in that: the included angle between the two groups of collets (9) is ninety degrees.

4. A welding jig for trial production of a vehicle body according to claim 1, characterized in that: the adjusting structure comprises a first movable bin (10), a movable block (11), a second movable bin (12), a limiting plate (13), a second spring (14), a limiting block (15), a clamping block (16), a push rod (17), a sliding block (18) and a sliding block (19), wherein the first movable bin (10) is arranged on two sides of the positioning block (8), the movable block (11) is fixed on one side of the chuck (9) opposite to each other, the movable block (11) is embedded in the first movable bin (10) in a sleeved mode, the second movable bin (12) is arranged in the movable block (11), a limiting plate (13) is arranged in the second movable bin (12) in a sleeved mode, the limiting plate (13) is elastically connected with the inner wall of the second movable bin (12) through the second spring (14), the limiting block (15) is welded on one end of the limiting plate (13) opposite to each other end, the clamping block (16) is fixed on one end of the first movable bin (10) opposite to each, and a push rod (17) is fixed at the front end of the limit plate (13).

5. The welding jig for trial production of vehicle bodies as set forth in claim 4, wherein: the clamping blocks (16) are all inclined, and the opposite ends of the limiting blocks (15) are all inclined corresponding to the clamping blocks (16).

6. The welding jig for trial production of vehicle bodies as set forth in claim 4, wherein: the outer wall of the opposite end of the limiting plate (13) is attached to the inner wall of the second movable bin (12), and the width of the limiting plate (13) is the same as that of the second movable bin (12).

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