CN209886973U

CN209886973U - Sliding self-locking device of welding fixture

Info

Publication number: CN209886973U
Application number: CN201920099254.1U
Authority: CN
Inventors: 苏明; 李钊文; 杨建�; 许福军; 彭欣强
Original assignee: Guangzhou Automobile Group Co Ltd
Current assignee: Guangzhou Automobile Group Co Ltd
Priority date: 2019-01-21
Filing date: 2019-01-21
Publication date: 2020-01-03
Anticipated expiration: 2029-01-21

Abstract

The utility model provides a weld clamping apparatus self-lock device that slides, including locating actuating mechanism, slide mechanism and the rotary mechanism on the base plate, actuating mechanism includes movably to be connected in the drive shaft of rotary mechanism's one end, connects in the main drive piece of the other end of drive shaft, and slide mechanism drives rotary mechanism rotation including articulating in the slide of the other end of rotary mechanism, through the linear drive of main drive piece to the drive shaft, the slide is in slide on the base plate, realize auto-lock or the unblock of slide. The utility model discloses compact structure, the operation of being convenient for are showing the welding operation space that improves automobile parts, improve production efficiency and product quality.

Description

Sliding self-locking device of welding fixture

Technical Field

The utility model relates to a vehicle production field especially relates to a weld self-lock device that slides of clamping utensil.

Background

The automobile welding fixture plays important roles of fixing the automobile body, controlling the precision and the like in the white automobile body manufacturing process.

One set of welding anchor clamps all can have the locating pin and the locating surface in a plurality of different spaces usually, with main locating pin direction inconsistent locating pin and locating surface must slide out and just can get and put the part. And current glide machanism structure is huge, and operating handle needs on the same straight line with the direction of sliding, leads to the operating position to be restricted great, remains welding operation space less to automobile parts, the workman's welding of being not convenient for, and can't arrange under the less condition in anchor clamps space.

The patent application No. 201621198838.7 relates to a manual slide rail device, which includes a base provided with a first slide rail; the movable seat is provided with a pressing block and is matched with the first sliding rail through a first sliding groove so as to be arranged on the base; a piston rod of the air cylinder is fixed with the movable seat to drive the movable seat to slide along the direction of the first sliding rail; the manual mechanism comprises an operating rod, one end of the operating rod is hinged with the base at a first hinge, the other end of the operating rod forms a self-existing end, and the part between the two ends of the operating rod is also connected with the movable seat through a connecting piece so that the self-existing end of the operating rod drives the movable seat to slide along the direction of the first slide rail when rotating around the first hinge; the movable seat can slide on the first slide rail so that the pressing block moves towards the support block to press the part to be machined.

However, it has the following disadvantages:

1. the slide rail device has larger structural requirement space and cannot be applied to narrow and special clamps;

2. the operating handle needs to be on the same straight line with the direction of sliding, and the operating position is greatly restricted, remains the welding operation space less to automobile parts, is not convenient for workman's welding.

SUMMERY OF THE UTILITY MODEL

In view of the above, it is necessary to provide a sliding self-locking device for a welding jig, which can improve the space for arranging the operation.

The utility model provides a weld clamping apparatus self-lock device that slides, including locating actuating mechanism, slide mechanism and the rotary mechanism on the base plate, actuating mechanism include movably connect in the drive shaft of rotary mechanism's one end, connect in the main driving piece of the other end of drive shaft, slide mechanism including articulate in the slide of rotary mechanism's the other end, through main driving piece linear drive the drive shaft drives rotary mechanism is rotatory, the slide is in slide on the base plate, realize the auto-lock or the unblock of slide.

In a preferred embodiment, the driving mechanism further includes a driving shaft supporting seat for the driving shaft to pass through and to be mounted on the base plate, and a main supporting seat for assembling the main driving member and to be mounted on the base plate.

In a preferred embodiment, the main driving member is a four-bar driving mechanism, and the main driving member includes a supporting bar installed on the main supporting seat, a driving rod connected with the driving shaft, side clamping plates hinged to two opposite sides of the driving rod, a handle hinged between the side clamping plates, and connecting rods respectively hinged to the handle and the supporting bar, the connecting rods and the side clamping plates rotate together, one end of the supporting bar is installed on the connecting rod, and the other end of the supporting bar is installed on the driving rod.

In a preferred embodiment, the sliding mechanism comprises a sliding rail arranged on the base plate and a sliding guide piece movably arranged on the sliding rail, the sliding plate is fixedly connected to the sliding guide piece, a self-locking limiting block is arranged at one end of the sliding rail, and when the sliding plate slides linearly on the sliding rail and abuts against the self-locking limiting block, the sliding plate is in a self-locking state; the other end of the slide rail is provided with an unlocking limiting block, the slide plate slides linearly on the slide rail and abuts against the unlocking limiting block, and the slide plate is in an unlocking state.

In a preferred embodiment, the slide rail is two and locates side by side on the base plate, the auto-lock stopper with the unblock stopper is L type limiting plate and lays two between the both ends of slide rail, the auto-lock stopper still include with the tight stopper of clamp that the auto-lock stopper point face is connected, the link that presss from both sides tight stopper is the arc.

In a preferred embodiment, the main driving member is a driving cylinder.

In a preferred embodiment, the sliding plate is provided with a plurality of first mounting holes, the rotating mechanism comprises a rotating shaft arranged on the substrate and a connecting rod rotating around the rotating shaft, the connecting rod is provided with a second mounting hole corresponding to a part of the first mounting hole, and the sliding plate is hinged to one end of the connecting rod through the cooperation of the first mounting hole, the second mounting hole and the hinge pin.

In a preferred embodiment, the sliding plate is mounted to the guide sliding piece through another part of the first mounting hole.

In a preferred embodiment, the rotating shaft is disposed between two ends of the connecting rod, and the two ends of the connecting rod rotate around the rotating shaft in opposite directions.

In a preferred embodiment, the second mounting hole is a kidney-shaped hole, a strip-shaped sliding groove is formed in the other end of the connecting rod, the driving shaft is mounted in the sliding groove through a guide pin, and the driving shaft can slide in the sliding groove and drive the connecting rod to rotate.

To sum up, the utility model provides an utilize actuating mechanism auto-lock unblock of connecting rod principle, compact structure, the operation of being convenient for is showing the welding operation space that has improved automobile parts, very big intensity of labour who alleviates the workman, improves production efficiency and product quality.

The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical means of the present invention more clearly understood, the present invention may be implemented according to the content of the description, and in order to make the above and other objects, features, and advantages of the present invention more obvious and understandable, the following preferred embodiments are described in detail with reference to the accompanying drawings.

Drawings

Fig. 1 is a schematic structural view of a sliding self-locking device of a welding fixture according to an embodiment of the present invention;

FIG. 2 is a schematic structural view of the primary drive member and the primary support block of the drive mechanism of FIG. 1;

FIG. 3 is a schematic view of the main drive member of FIG. 2 rotated counterclockwise to unlock the slide plate;

FIG. 4 is a schematic view of a slider guide on the rail mounted with the slider of FIG. 1;

FIG. 5 is a schematic view of a link in the rotary mechanism of FIG. 1;

fig. 6 is a schematic structural view of the welding jig sliding self-locking device in fig. 1 in a self-locking (locked) state.

Detailed Description

To further illustrate the technical means and effects of the present invention adopted to achieve the intended purpose of the invention, the present invention will be described in detail with reference to the accompanying drawings and preferred embodiments.

As shown in fig. 1-6, the utility model provides a sliding self-locking device for welding fixture, which comprises a driving mechanism 20, a sliding mechanism 30 and a rotating mechanism 40 arranged on a base plate 10.

Referring to fig. 1, 2 and 3, the driving mechanism 20 includes a driving shaft 21 movably connected to one end of the rotating mechanism 40 and a main driving member 23 connected to the other end of the driving shaft 21; slide mechanism 30 is including articulating in the slide 33 of the other end of rotary mechanism 40, the utility model discloses a main drive 23 linear drive shaft 21 drives rotary mechanism 40 rotatory to make slide 33 of connecting on rotary mechanism 40 slide on base plate 10, thereby realize slide 33's auto-lock or unblock, compact structure and be convenient for the operation.

Specifically, referring to fig. 1 and 4, the sliding mechanism 30 includes a slide rail 31 disposed on the base plate 10, a slide guide 32 movably disposed on the slide rail 31, and a slide plate 33 fixedly connected to the slide guide 32.

The sliding plate 33 is hinged to the other end of the rotating mechanism 40, and the sliding mechanism 30 drives the driving shaft 21 linearly through the main driving part 23 to drive the rotating mechanism 40 to rotate, so that the sliding plate 33 is self-locked or unlocked.

In another embodiment of the present invention, the sliding mechanism 30 can also be a sliding bearing hinged on the driving shaft 21, so as to drive the sliding plate 33 to slide under the rotation of the rotating mechanism 40 to realize self-locking or unlocking. With respect to other sliding mechanisms 30 that can also achieve self-locking or unlocking, reference is made to the prior art, and no limitation is made herein.

Specifically, the driving mechanism 20 further includes a driving shaft supporting seat 24 through which the driving shaft 21 passes and is mounted on the base plate 10, and a main supporting seat 25 for assembling the main driving part 23 and being mounted on the base plate 10 (refer to fig. 1, 2 and 3 with emphasis). In a preferred embodiment, the driving shaft supporting seat 24 is provided with a bushing which is matched with the driving shaft 21 to form a linear sliding mechanism, so that the abrasion of the driving shaft 21 in the sliding process can be effectively reduced, the service life is prolonged, and the replacement cost is reduced.

In one embodiment, the primary drive member 23 is a four-bar linkage drive mechanism. In one embodiment of the present invention, the main driving member 23 is a push-pull clamp. Specifically, the main driving member 23 includes a V-shaped supporting rod 231 mounted on the main supporting seat 25, a driving rod 232 connected to the driving shaft 21, side clamping plates 233 hinged to both opposite sides of the driving rod 232, a handle 234 hinged between the two side clamping plates 233, and a connecting rod 235 respectively hinged to the handle 234 and the supporting rod 231, and the V-shaped supporting rod 231 is further mounted on the driving rod 232. In a preferred embodiment, the connecting rod 235 is an extension rod formed by bending the end of the connecting end of the handle 234 perpendicularly outward.

In one embodiment, the connecting rod 235 and the side clamp 233 are coaxial, and when the handle 234 swings clockwise or counterclockwise, the driving rod 232 and the driving shaft 21 are driven by the side clamp 233 to slide linearly, so as to drive the rotation mechanism 40 to rotate. Regarding the specific working principle of the main driving member 23, reference is made to the prior art, and details thereof are not described herein.

The utility model provides an in other embodiments, main driving piece 23 can also be for driving other driving pieces that can drive the linear slip of drive shaft 21 such as actuating cylinder, does not specifically do the restriction.

The sliding plate 33 is provided with a plurality of first mounting holes 33 a; the rotating mechanism 40 includes a rotating shaft 41 disposed on the substrate 10 and a connecting rod 42 rotating around the rotating shaft 41, wherein the rotating shaft 41 is disposed between two ends of the connecting rod 42, and two ends of the connecting rod 42 can rotate around the rotating shaft 41 in opposite directions, respectively, to drive the sliding plate 33 to slide for realizing self-locking or unlocking. In a preferred embodiment, the rotating shaft 41 is a bearing, one end of the rotating shaft 41 is mounted on the base plate 10 by a flange bolt, the other end is mounted on the connecting rod 42 through a through hole, and a cover plate is sleeved on the end of the connecting rod 42 to prevent dust from falling onto the rotating shaft 41.

In one embodiment, the connecting rod 42 is provided with a second mounting hole 421 corresponding to a portion of the first mounting hole 33 a.

The slide plate 33 is hinged to one end of the link 42 by engaging a portion of the first mounting hole 33a with the second mounting hole 421 and the hinge pin 33 b. In detail, the second mounting hole 421 is a kidney-shaped hole, and the hinge pin 33b is inserted into the first mounting hole 33a and the second mounting hole 421, so that the connecting rod 42 can be assembled with sliding plates 33 of different models and sizes.

The slide plate 33 is further mounted to the slide guide 32 through another portion of the first mounting hole 33a such that the slide plate 33 can move with the linear movement of the slide guide 32 on the slide rail 31.

Further, one end of the slide rail 31 is provided with a self-locking stopper 31a for limiting the moving position of the slide plate 33 when the slide plate 33 is clamped, and when the slide plate 33 moves linearly and abuts against the self-locking stopper 31a (moves to a preset position), the slide plate 33 is in a self-locking state; the other end of the slide rail 31 is provided with an unlocking stopper 31b for limiting the movement position of the slide plate 33 when the slide plate 33 is opened, so that the slide plate 33 is in an unlocked state when the slide plate 33 moves linearly and abuts against the unlocking stopper 31 b. In a preferred embodiment, two slide rails 31 are arranged side by side on the substrate 10, and the self-locking limiting block 31a and the unlocking limiting block 31b are L-shaped limiting plates and are correspondingly arranged between the two slide rails 31.

The utility model provides a pair of in a concrete embodiment, in order to improve auto-lock stopper 31a and unblock stopper 31 b's intensity, can lay the connecting plate between L type limiting plate to form stable tripod structure.

More specifically, the self-locking limiting block 31a further comprises a clamping limiting block 31c, and a connecting end (one end connected with the self-locking limiting block 31a) of the clamping limiting block 31c is arc-shaped and is in point-surface connection with the tail end of the self-locking limiting block 31a, so that the requirement of tool machining can be reduced, and the machining cost is reduced.

Specifically, the other end of the link 42 is provided with a bar-shaped slide groove 423, the driving mechanism 20 includes a driving shaft 21 slidable in the slide groove 423, and one end of the driving shaft 21 is movably mounted to the slide groove 423 through a guide pin 22. In other embodiments, the sliding groove 423 may also be a rectangular through hole or a through groove structure, so that the guide pin 22 can move in the sliding groove 423 through a clearance fit, and the specific structure thereof is not limited.

It will be appreciated that the handle 234 can swing clockwise or counterclockwise relative to the side plate 233, and the driving shaft 21 can move linearly forward or backward in the sliding slot of the connecting rod 42 by the swing of the handle 234, so as to drive the sliding plate 33 connected to the other end of the connecting rod 42 to move linearly forward or backward on the sliding rail 31, thereby unlocking or self-locking the sliding plate 33.

In detail, referring to fig. 1 and fig. 6 together, in an embodiment of the present invention, when the handle 234 rotates counterclockwise from a position parallel to the driving shaft 21 to a position perpendicular to the driving shaft 21, the driving rod 232 pushes the driving shaft 21 to move forward in the sliding slot of the connecting rod 42, and drives the sliding plate 33 at the other end of the connecting rod 42 to move backward on the sliding rail 31, so as to achieve self-locking (tightening) of the sliding plate 33 when reaching a certain position; conversely, when the handle 234 rotates clockwise from the vertical position to the driving shaft 21 to be parallel to the driving shaft 21, the driving shaft 21 is pushed to move backwards in the sliding slot of the connecting rod 42, and the sliding plate 33 at the other end of the connecting rod 42 is driven to move forwards on the sliding rail 31, and the unlocking (opening state) of the sliding plate 33 is realized when a certain position is reached.

To sum up, the utility model provides an utilize actuating mechanism auto-lock unblock of connecting rod principle, compact structure, operating handle can arrange the optional position at side plate (anchor clamps), the operation of being convenient for to will show the welding operation space who improves automobile parts, very big alleviate workman's intensity of labour, improve production efficiency and product quality.

The above is only a preferred embodiment of the present invention, and the present invention is not limited to the above embodiments, and although the present invention has been disclosed with the preferred embodiments, but the present invention is not limited to the above embodiments, and any skilled person familiar with the art can make some changes or modifications to equivalent embodiments of equivalent changes within the technical scope of the present invention without departing from the technical scope of the present invention, but any simple modification, equivalent changes and modifications made to the above embodiments according to the technical spirit of the present invention still belong to the technical scope of the present invention.

Claims

1. The utility model provides a weld fixture slip self-lock device, characterized in that, is including locating actuating mechanism (20), slide mechanism (30) and rotary mechanism (40) on base plate (10), actuating mechanism (20) including movably connect in drive shaft (21) of the one end of rotary mechanism (40), connect in main drive piece (23) of the other end of drive shaft (21), slide mechanism (30) including articulate in slide (33) of the other end of rotary mechanism (40), through main drive piece (23) linear drive shaft (21), drive rotary mechanism (40) are rotatory, slide (33) are in slide on base plate (10), realize the auto-lock or the unblock of slide (33).

2. The welding jig sliding self-locking device according to claim 1, wherein the driving mechanism (20) further comprises a driving shaft support base (24) through which the driving shaft (21) passes and is mounted on the base plate (10), and a main support base (25) for assembling the main driving member (23) and is mounted on the base plate (10).

3. The welding fixture slip self-locking device according to claim 2, wherein the main driving member (23) is a four-bar linkage driving mechanism, and the main driving member (23) comprises a support bar (231) installed on the main supporting seat (25), a driving rod (232) connected with the driving shaft (21), side clamping plates (233) hinged to two opposite sides of the driving rod (232), a handle (234) hinged between the side clamping plates (233), and connecting rods (235) respectively hinged to the handle (234) and the support bar (231), the connecting rods (235) and the side clamping plates (233) rotate in the same axis, and one end of the support bar (231) is installed on the connecting rod (235), and the other end is installed on the driving rod (232).

4. The welding fixture sliding self-locking device according to claim 1 or 3, wherein the sliding mechanism (30) comprises a sliding rail (31) arranged on the base plate (10) and a sliding guide piece (32) movably arranged on the sliding rail (31), the sliding plate (33) is fixedly connected to the sliding guide piece (32), a self-locking limiting block (31a) is arranged at one end of the sliding rail (31), and when the sliding plate (33) slides linearly on the sliding rail (31) and abuts against the self-locking limiting block (31a), the sliding plate (33) is in a self-locking state; the other end of slide rail (31) is equipped with unblock stopper (31b) slide (33) are in linear sliding on slide rail (31) and butt in when unblock stopper (31b), slide (33) are in the unblock state.

5. The welding fixture slippage self-locking device according to claim 4, wherein the number of the slide rails (31) is two, the slide rails are arranged side by side on the substrate (10), the self-locking limiting block (31a) and the unlocking limiting block (31b) are L-shaped limiting plates and are arranged between two ends of the slide rails (31), the self-locking limiting block (31a) further comprises a clamping limiting block (31c) connected with the point surface of the self-locking limiting block (31a), and the connecting end of the clamping limiting block (31c) is arc-shaped.

6. The welding jig self-locking device of claim 1 wherein the primary drive member (23) is a drive cylinder.

7. The welding fixture slippage self-locking device according to claim 4, wherein a plurality of first mounting holes (33a) are formed in the sliding plate (33), the rotating mechanism (40) comprises a rotating shaft (41) arranged on the base plate (10) and a connecting rod (42) rotating around the rotating shaft (41), a second mounting hole (421) corresponding to a part of the first mounting holes (33a) is formed in the connecting rod (42), and the sliding plate (33) is hinged to one end of the connecting rod (42) through the cooperation of the first mounting holes (33a), the second mounting holes (421) and the hinge pin (33 b).

8. Welding jig slip self-locking device according to claim 7, characterized in that the slide plate (33) is mounted to the runner (32) through another part of the first mounting hole (33 a).

9. The welding jig sliding self-locking device according to claim 7, characterized in that the rotating shaft (41) is arranged between two ends of the connecting rod (42), and two ends of the connecting rod (42) respectively rotate around the rotating shaft (41) in opposite directions.

10. The welding fixture sliding self-locking device according to claim 7 or 9, wherein the second mounting hole (421) is a kidney-shaped hole, the other end of the connecting rod (42) is provided with a strip-shaped sliding groove (423), the driving shaft (21) is mounted on the sliding groove (423) through a guide pin (22), and the driving shaft (21) can slide in the sliding groove (423) and drive the connecting rod (42) to rotate.