CN216966777U

CN216966777U - High-mobility welding fixture convenient to move

Info

Publication number: CN216966777U
Application number: CN202123167103.1U
Authority: CN
Inventors: 杨华山
Original assignee: Foshan Huaxiang Automobile Metal Parts Co ltd
Current assignee: Foshan Huaxiang Automobile Metal Parts Co ltd
Priority date: 2021-12-16
Filing date: 2021-12-16
Publication date: 2022-07-15
Anticipated expiration: 2031-12-16

Abstract

The utility model discloses a welding fixture with high activity and convenient movement, which comprises a welding fixture and a vehicle base, wherein a movable clamping claw is arranged on the welding fixture, the bottom of the welding fixture is provided with a trundle and a leading-in strip, and positioning parts are arranged on two sides of the leading-in strip; parking base is including being located backup pad and connecting plate, the connecting plate is equipped with leading-in groove and location boss, the backup pad both sides set up elevating gear and drive the connecting plate and go up and down the activity, make location boss and location portion cooperation, let welding jig stop on parking base, during the use, welding jig has set up the truckle and can promote by the automatic weld manipulator of next welding process conveniently, the activity is high, and through welding jig and parking base's cooperation, can make welding jig wholly firm when the welding, can not take place the displacement, be favorable to the location of automatic weld manipulator, can improve welding quality.

Description

High-mobility welding fixture convenient to move

Technical Field

The utility model relates to the field of metal welding clamps, in particular to a welding clamp with high activity and convenience in moving.

Background

At present, in the production of the automobile industry, the welding requirement on the sheet metal part of the automobile shell is strict, and the sheet metal part of the automobile shell is complex in shape and difficult to position, so that the sheet metal part is clamped and fixed by a special welding clamp for welding at present in order to effectively improve the production efficiency.

In the welding process of carrying out automobile shell sheet metal component, because the processing technology is required, often will remove the work piece to other places and weld on next step, consequently can be provided with the truckle in the below of anchor clamps, make things convenient for the removal of whole anchor clamps, but the welding jig that can remove at present is promoting behind the automatic weld manipulator position, all only rely on the truckle of taking locking clamping to come fixed welding jig, but because the whole weight of welding jig is heavier, it is firm to only make welding jig stop to lean on the truckle, in case welding jig takes place the displacement, then can make the automatic weld manipulator position can't accurately weld the sheet metal component, influence welding quality, the welder of automatic weld manipulator position can collide with welding jig even, cause the trouble of machine.

SUMMERY OF THE UTILITY MODEL

In order to solve the defects in the prior art, the utility model provides the welding clamp which is high in activity and convenient to move.

The technical scheme of the utility model is as follows:

the utility model provides a welding fixture with high activity and convenient movement, which comprises: a welding clamp and a vehicle base are arranged on the vehicle base,

the welding fixture is provided with movable clamping claws which can movably clamp and fix the sheet metal part of the automobile shell, four corners of the bottom of the welding fixture are provided with trundles, the bottom of the welding fixture is connected with a leading-in strip, and the bottom of the welding fixture is provided with positioning parts at positions on two sides of the leading-in strip at intervals;

the parking base comprises a supporting plate positioned at the bottom and a connecting plate positioned at the upper part of the supporting plate;

the upper surface of the connecting plate is provided with a leading-in groove at the position corresponding to the leading-in strip of the welding clamp, the upper surface of the connecting plate is provided with positioning bosses which are matched with the positioning parts one by one at the position corresponding to the positioning parts at the bottom of the welding clamp,

first supporting seats extend out of two sides of the supporting plate, lifting devices are connected to the first supporting seats on the two sides, and connecting grooves which can be connected with the lifting devices extend from the lower surfaces of the two sides of the connecting plate at positions corresponding to the lifting devices; the lifting of the lifting devices on the two sides drives the connecting plate to move up and down, so that the positioning boss is matched with the positioning part, and the welding clamp stops on the parking base.

Preferably, the leading-in groove is of a structure with openings at the head end and the tail end, the head end of the leading-in groove is Y-shaped, and a blocking device is connected to the position, located at the tail end of the leading-in groove, of the upper surface of the connecting plate and used for blocking the leading-in strip from sliding out of the connecting plate.

Preferably, the blocking device is a pneumatic buffer stop.

Preferably, the blocking device is a blocking block with an L-shaped appearance, and one surface of the blocking block facing the entering direction of the guide-in strip is connected with a rubber pad.

Preferably, the upper surface of connecting plate is provided with the reference column on keeping away from the position boss, and this reference column downwardly extending is towards the backup pad, still wears to establish first locating sleeve at the lower surface of connecting plate outside the reference column, the second locating sleeve that corresponds is installed in the position of its reference column of corresponding connecting plate in the backup pad surface.

Preferably, two telescoping devices are transversely arranged in the middle of the supporting plate, telescopic shafts of the telescoping devices which stretch out and draw back are connected with a locking plate, the locking plate extends towards one end of a positioning column to form a locking part, so that a waist-shaped hole is formed in the locking part, the positioning column sequentially penetrates through a first positioning sleeve, the waist-shaped hole and a second positioning sleeve, and a supporting boss is formed by the protrusion of the edge of one end, facing the inside of the supporting plate, of the waist-shaped hole in the locking part.

Preferably, the telescopic device is a hydraulic telescopic oil cylinder.

Preferably, the telescopic device can also be a pneumatic telescopic cylinder.

Preferably, the lifting device is a hydraulic lifting cylinder.

Preferably, the lifting device can also be an air pressure lifting cylinder.

Preferably, the lifting device can also be a screw elevator.

Preferably, four corners of the bottom of the supporting plate are provided with mounting seats, and the mounting seats are provided with screw holes for screws to pass through.

The utility model achieves the following beneficial effects: welding jig has set up that the truckle can promote by the automatic weld manipulator of next welding process conveniently, the activity is high, and through the cooperation of welding jig and parking base, can make welding jig wholly firm when the welding, can not take place the displacement, be favorable to the location of automatic weld manipulator, can improve welding quality, can avoid more that traditional welding jig only relies on truckle locking to be difficult to make welding jig stop firm, in case welding jig takes place the displacement, then can make the unable accuracy of automatic weld manipulator position weld the sheet metal component, influence welding quality, the welder of automatic weld manipulator position can collide with welding jig even, cause the problem of the trouble of machine.

Drawings

FIG. 1 is a schematic view of the construction of the welding fixture and parking base of the present invention.

FIG. 2 is a schematic bottom view of the welding fixture of the present invention.

Fig. 3 is a schematic structural view of the parking base of the present invention.

Fig. 4 is a front cross-sectional schematic view of the parking base of the present invention.

Fig. 5 is a schematic side view of the structure of the parking base of the present invention.

Fig. 6 is a schematic structural view of the support plate of the present invention.

Fig. 7 is a schematic top view of the structure of the support plate of the present invention.

In the attached drawings, 1, a welding fixture; 100. a movable clamping jaw; 101. a caster wheel; 102. introducing a strip; 103. a positioning part;

2. a parking base; 20. a support plate; 21. a connecting plate;

210. a lead-in groove; 211. a blocking device; 212. positioning the boss; 213. a positioning column; 214. a first positioning sleeve; 215. connecting grooves;

201. a mounting base; 202. a first support base; 203. a second positioning sleeve; 204. a telescopic device; 205. a locking plate; 206. a locking part; 207. a kidney-shaped hole; 208. a lifting device; 209. and supporting the boss.

Detailed Description

To facilitate an understanding of the present invention by those skilled in the art, specific embodiments thereof are described below with reference to the accompanying drawings.

As shown in fig. 1 to 7, the present invention provides a welding jig 1 having high mobility and easy movement,

in the embodiment, the welding jig 1 is included, the movable clamping claw 100 capable of movably clamping and fixing the sheet metal part of the automobile shell is arranged on the welding jig 1, welding is carried out by an automatic welding robot after the movable clamping claw 100 fixes the sheet metal part (the structure of the movable clamping claw 100 is a public technology because the movable clamping claw 100 is a standard fixing jig which can be purchased from the market, and is not described in detail in the embodiment),

the four corners of the bottom of the welding fixture 1 are provided with trundles 101, so that the whole fixture can move conveniently, the middle position of the bottom of the welding fixture 1 is connected with a guide-in strip 102, the positions of the bottom of the welding fixture 1, which are positioned at two sides of the guide-in strip 102, are provided with positioning parts 103 at intervals, the positioning parts 103 are in an inwards concave bowl-shaped design, and the inner concave surfaces of the positioning parts are towards the direction of the parking base 2;

also comprises a parking base 2, the parking base 2 is arranged on the ground beside the automatic welding manipulator,

the parking base 2 includes a support plate 20 at the bottom and a connection plate 21 at the upper portion of the support plate 20,

the middle part of the upper surface of the connecting plate 21 is provided with an introduction groove 210 with openings at the head end and the tail end at the position corresponding to the introduction bar 102 of the welding fixture 1, one end of the introduction groove 210 facing the entering direction of the introduction bar 102 is a head end, the head end is Y-shaped, the introduction groove 210 is formed by connecting a left limiting bar and a right limiting bar on the upper surface of the connecting plate 21, the width between the left limiting bar and the right limiting bar (namely the width of the introduction groove 210) is larger than the outer diameter of the introduction bar 102, so that the welding fixture 1 can be stably stopped at the parking base 2 by the matching between the introduction groove 210 and the introduction bar 102 when moving to an automatic welding manipulator of the next welding process through the sliding fit between the introduction groove 210 and the introduction bar 102, and the displacement is avoided; the leading-in groove 210 with the Y-shaped head end can enable the leading-in strip 102 of the welding fixture 1 to enter the leading-in groove 210 more smoothly to complete matching;

a blocking device 211 is connected to the upper surface of the connecting plate 21 at the tail end of the introduction slot 210, and is used for blocking the introduction bar 102, so that the introduction bar 102 can be prevented from sliding out of the introduction slot 210, and the welding fixture 1 is prevented from leaving the parking base 2;

further, in this embodiment, the blocking device 211 is a pneumatic buffer stopper, and the pneumatic buffer stopper enables the welding fixture 1 to enter the guiding groove 210 and then stop with the blocking device 211 in a buffering manner, so as to prevent the welding fixture 1 from leaving the parking base 2 (since the pneumatic buffer stopper is a standard stopper available on the market, the structure thereof is a public technology, and is not described in detail in this embodiment),

further, in other embodiments, the blocking device 211 is a L-shaped blocking block, and a rubber pad is connected to a surface of the blocking block facing the entering direction of the guide-in strip 102, so as to buffer and block the guide-in strip 102 and prevent the welding fixture 1 from leaving the parking base 2;

the upper surface of the connecting plate 21 is provided with positioning bosses 212 which are matched with the positioning parts 103 one by one at positions corresponding to the positioning parts 103 at the bottom of the welding fixture 1, and after the positioning bosses 212 are matched with the positioning parts 103, the welding fixture 1 can be further stopped and stabilized at the parking base 2 to avoid displacement;

four positioning columns 213 are arranged on the upper surface of the connecting plate 21 at positions far away from the positioning bosses 212, the positioning columns 213 extend downwards and face the supporting plate 20, first positioning sleeves 214 are arranged outside the positioning columns 213 at positions corresponding to the positioning columns 213 on the lower surface of the connecting plate 21 in a penetrating manner, and second positioning sleeves 203 which are in one-to-one correspondence are arranged on the surface of the supporting plate 20 at positions corresponding to the positioning columns 213 of the connecting plate 21;

two telescopic devices 204 are transversely arranged in the middle of the supporting plate 20, telescopic shafts of the telescopic devices 204 for telescopic are connected with a locking plate 205, one end of the locking plate 205, which faces to a positioning column 213, extends to form a locking part 206, so that a waist-shaped hole 207 is formed in the locking part 206, the inner diameter of the waist-shaped hole 207 is larger than the outer diameter of the positioning column 213, the inner diameter of the waist-shaped hole 207 is smaller than the outer diameters of a first positioning sleeve 214 and a second positioning sleeve 203, the positioning column 213 sequentially penetrates through the first positioning sleeve 214, the waist-shaped hole 207 and the second positioning sleeve 203, and the mutually facing surfaces of the first positioning sleeve 214 and the second positioning sleeve 203 can be abutted against the long edges of two sides of the waist-shaped hole 207 on the locking part 206;

the edge of one end of the waist-shaped hole 207 facing the inside of the supporting plate 20 on the locking part 206 is formed into a supporting boss 209, the supporting boss 209 can support the first positioning sleeve 214 and the second positioning sleeve 203, and the total height of the supporting boss 209 and the total height of the first positioning sleeve 214 and the second positioning sleeve 203 is greater than the total height of the caster 101;

further, in this embodiment, the telescopic device 204 is a hydraulic telescopic cylinder (in other embodiments, the telescopic device 204 may also be a pneumatic telescopic cylinder);

the two sides of the supporting plate 20 extend out of the first supporting seat 202, the first supporting seat 202 on the two sides is connected with the lifting device 208, and the lower surfaces on the two sides of the connecting plate 21 extend at the position corresponding to the lifting device 208 to form a connecting groove 215 which can be connected with the lifting device 208; the lifting of the lifting devices 208 at the two sides drives the connecting plate 21 to lift;

in this embodiment, the lifting device 208 is a hydraulic lifting cylinder for lifting the connecting plate 21 on the upper portion of the supporting plate 20 (in other embodiments, the lifting device 208 may also be a pneumatic lifting cylinder or a screw lifter),

the four corners of the bottom of the supporting plate 20 are provided with mounting seats 201, the mounting seats 201 are provided with screw holes for screws to pass through, and the bases can be fixed on the ground through the mounting seats 201 and the screws.

When in use, the movable clamping claw 100 on the welding fixture 1 fixes the sheet metal part and then performs welding by an automatic welding robot, when the welding fixture 1 needs to be moved to other places for next welding,

the welding fixture 1 is pushed, and the caster 101 is arranged below the welding fixture 1, so that the whole welding fixture 1 can be pushed to move to the parking base 2 beside the automatic welding manipulator of the next welding procedure, and then the welding fixture 1 can be parked and stabilized at the parking base 2 through the sliding fit between the leading-in groove 210 and the leading-in strip 102 to avoid displacement,

then the parking base 2 lifts up through the lifting devices 208 on the two sides of the supporting plate 20 to drive the connecting plate 21 to lift the welding fixture 1, so that the positioning bosses 212 of the connecting plate 21 are matched with the positioning parts 103 of the welding fixture 1 one by one, and further the welding fixture 1 is stopped and stabilized at the parking base 2 until the caster 101 of the welding fixture 1 leaves the ground,

after the connecting plate 21 is lifted, the expansion device 204 of the supporting plate 20 is expanded outwards, so that the locking part 206 with the kidney-shaped hole 207 between the first positioning sleeve 214 and the second positioning sleeve 203 is also expanded outwards until the supporting boss 209 is displaced to the middle of the first positioning sleeve 214 and the second positioning sleeve 203, at this time, the lifting device 208 stops lifting, so that the connecting plate 21 freely falls back, until the connecting plate 21 is supported by the supporting boss 209 between the first positioning sleeve 214 and the second positioning sleeve 203, the caster 101 of the welding fixture 1 is continuously separated from the ground, the displacement of the welding fixture 1 can be avoided, and the automatic welding manipulator performs welding;

after welding is completed, the parking base 2 is lifted by the lifting devices 208 on the two sides of the supporting plate 20 to drive the connecting plate 21 to lift the welding fixture 1, so that the first positioning sleeve 214 and the second positioning sleeve 203 are separated, at this time, the telescopic device 204 of the supporting plate 20 retracts inwards, the locking part 206 with the waist-shaped hole 207 between the first positioning sleeve 214 and the second positioning sleeve 203 also retracts inwards, until the supporting boss 209 is separated to the position between the first positioning sleeve 214 and the second positioning sleeve 203, at this time, the lifting devices 208 stop lifting, the connecting plate 21 freely falls back, until the positioning bosses 212 of the connecting plate 21 are separated from the positioning parts 103 of the welding fixture 1 one by one, the casters 101 of the welding fixture 1 are contacted with the ground, and then the welding fixture 1 is pushed to move away from the guide groove 210.

So welding jig 1 has set up that truckle 101 can promote by the automatic weld manipulator of next welding process conveniently, the activity is high, and through welding jig 1 and the cooperation of parking base 2, can make welding jig 1 wholly firm when the welding, can not take place the displacement, be favorable to the location of automatic weld manipulator, can improve welding quality, more can avoid traditional welding jig 1 to only rely on truckle 101 locking to be difficult to make welding jig 1 berth firm, in case welding jig 1 takes place the displacement, then can make the unable accurate sheet metal component that welds in automatic weld manipulator position, influence welding quality, the welder of automatic weld manipulator position can collide with welding jig 1 even, cause the problem of the trouble of machine.

The above-described embodiments of the present invention do not limit the scope of the present invention. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.

Claims

1. A high-mobility easy-to-move welding fixture (1), characterized in that it comprises: a welding clamp (1) and a parking base (2),

the welding fixture (1) is provided with movable clamping claws (100) which can movably clamp and fix the sheet metal part of the automobile shell, four corners of the bottom of the welding fixture (1) are provided with trundles (101), the bottom of the welding fixture (1) is connected with a guide-in strip (102), and the bottom of the welding fixture (1) is provided with positioning parts (103) at intervals at positions on two sides of the guide-in strip (102);

the parking base (2) comprises a supporting plate (20) positioned at the bottom and a connecting plate (21) positioned at the upper part of the supporting plate (20);

the upper surface of the connecting plate (21) is provided with an introduction groove (210) at the position corresponding to the introduction strip (102) of the welding clamp (1), the upper surface of the connecting plate (21) is provided with positioning bosses (212) which are matched with the positioning parts (103) one by one at the position corresponding to the positioning parts (103) at the bottom of the welding clamp (1),

first supporting seats (202) extend out of two sides of the supporting plate (20), lifting devices (208) are connected to the first supporting seats (202) on the two sides, and connecting grooves (215) which can be connected with the lifting devices (208) are formed by extending the lower surfaces of the two sides of the connecting plate (21) at positions corresponding to the lifting devices (208); the lifting of the lifting devices (208) at the two sides drives the connecting plate (21) to move up and down, so that the positioning boss (212) is matched with the positioning part (103), and the welding clamp (1) stops on the parking base (2).

2. The welding fixture (1) with high mobility and convenient movement according to claim 1, wherein the leading-in groove (210) is of an open structure from the head end to the tail end, the head end of the leading-in groove (210) is Y-shaped, and a blocking device (211) is connected to the upper surface of the connecting plate (21) at the tail end of the leading-in groove (210) and used for blocking the leading-in strip (102) from sliding out of the connecting plate (21).

3. A high mobility easy moving welding fixture (1) according to claim 2, characterized in that said blocking means (211) is a pneumatic bumper stop.

4. High mobility easy mobility welding jig (1) of claim 2, characterized by that, the stop means (211) is a stop block with an L-shaped profile, and a rubber pad is attached to the face of the stop block facing the direction of entry of the lead-in strip (102).

5. The welding fixture (1) with high mobility and convenient movement as claimed in claim 1, wherein a positioning post (213) is disposed on an upper surface of the connecting plate (21) at a position away from the positioning boss (212), the positioning post (213) extends downward and faces the supporting plate (20), a first positioning sleeve (214) is further disposed on an outer portion of the positioning post (213) on a lower surface of the connecting plate (21), and a corresponding second positioning sleeve (203) is mounted on a surface of the supporting plate (20) at a position corresponding to the positioning post (213) of the connecting plate (21).

6. The welding fixture (1) with high mobility and convenient movement as claimed in claim 5, wherein two telescopic devices (204) are transversely arranged in the middle of the supporting plate (20), telescopic shafts of the telescopic devices (204) which are telescopic are connected with a locking plate (205), the locking plate (205) extends towards one end of a positioning column (213) to form a locking portion (206), so that a kidney-shaped hole (207) is formed in the locking portion (206), the positioning column (213) sequentially passes through a first positioning sleeve (214), the kidney-shaped hole (207) and a second positioning sleeve (203), and an edge of one end, facing the inside of the supporting plate (20), of the kidney-shaped hole (207) protrudes on the locking portion (206) to form a supporting boss (209).

7. A high mobility easy mobility welding fixture (1) according to claim 6, characterized in that said telescopic means (204) are hydraulic telescopic cylinders.

8. A high mobility easy mobility welding fixture (1) according to claim 6, characterized in that said telescopic means (204) are pneumatic telescopic cylinders.

9. A high mobility easy moving welding fixture (1) according to claim 1, characterized in that said lifting means (208) is a hydraulic lift cylinder.

10. The welding fixture (1) with high mobility and convenient movement according to claim 1, characterized in that four corners of the bottom of the support plate (20) are provided with mounting seats (201), and the mounting seats (201) are provided with screw holes for screws to pass through.