CN219542159U - Convenient machine welding jig of centre gripping - Google Patents

Abstract

The utility model relates to a machine welding jig convenient to clamp, and belongs to the technical field of jigs. The utility model provides a technical scheme mainly to the relatively poor problem of fixture convenience of current welding jig, including frame, mounting bracket and locating plate, the below of locating plate is provided with the loading board, and the bottom fixedly connected with cavity base of loading board, and swing joint has telescopic link and fly leaf on the loading board, and the top fixedly connected with clamp plate of telescopic link, and sliding connection between clamp plate and the fly leaf. According to the utility model, when the positioning plate of the welding jig is clamped and fixed through the combination of various structures, the equidistant adjustment of the plurality of clamping plates is realized through the combination of the gear and the rack, so that the mode that the clamping plates are judged by naked eyes in the adjusting process in the prior art is replaced, the positioning plate can be clamped synchronously by the plurality of clamping plates, the working efficiency is improved, and the trouble of staff is reduced.

Description

Convenient machine welding jig of centre gripping

Technical Field

The utility model relates to the technical field of jigs, in particular to a machine welding jig convenient to clamp.

Background

When the door plant is connected with the box itself, all weld the hinge in advance between the both ends hem of door plant, then bind the welded hinge on the box through the rivet, current welding process all is through resistance welding's mode, places the hinge in current die head in advance, then with the hem inner wall and the hinge contact of hinge for spot welder's last die head pressfitting is on the door plant hem outer wall, thereby makes hinge and door plant welding become an organic wholely. The welding mode completely depends on experience of a user, so that the welding point position between the hinge and the door plate is determined, and defective products are easily welded by the welding mode.

The current chinese patent of bulletin number CN214264507U of authorizing discloses a welding jig of high convenience, including installing the mounting bracket on spot welder outer wall, be provided with the locating plate on the mounting bracket, be provided with the clamping assembly of the dismouting locating plate of being convenient for between locating plate and the mounting bracket, the upper surface of locating plate runs through and has seted up first hole, the lower die head joint of organism in first downthehole, two second holes have been run through on the upper surface of locating plate, two interval between the second hole equals the interval between the hem of door plant both ends, be provided with the butt subassembly that is used for preventing the door plant hem to slide in the second hole.

Some of the problems are solved in the above-mentioned reference, but the following drawbacks still exist:

when equipment is used for clamping and assembling the locating plate, the clamping assembly adopted by the equipment is used for judging the distance of the pressing block by naked eyes when the pressing block is regulated, the regulated distance is not only in error, but also needs to be regulated for a plurality of times, the pressing block is used for tightly clamping the locating plate by screwing the bolt, and the equipment is also required to be operated for a plurality of times and has low working efficiency.

Therefore, how to handle the clamping of the welding jig is a technical problem that a person skilled in the art needs to solve.

Disclosure of Invention

The utility model aims to solve the problems in the background art and provides a machine welding jig convenient to clamp.

The technical scheme of the utility model is as follows: the utility model provides a convenient machine welding tool of centre gripping, includes frame, mounting bracket and locating plate, the below of locating plate is provided with the loading board, and the bottom fixedly connected with cavity base of loading board, and swing joint has telescopic link and fly leaf on the loading board, the top fixedly connected with clamp plate of telescopic link, and sliding connection between clamp plate and the fly leaf, the inside of cavity base is provided with worm and gear, and the side of worm is equipped with the worm wheel, installs the lead screw on the worm wheel, swing joint between lead screw and the fly leaf, the top and the below of gear respectively sliding connection have rack one and rack two, the positive fixedly connected with dead lever of rack two.

Preferably, the front and back shell walls of the frame are fixedly connected with mounting frames, the top of the mounting frames is provided with a positioning plate, and the lower part of the positioning plate is provided with a bearing plate positioned on the right side of the mounting frames.

Preferably, the bottom of the cavity base is connected to the frame through a screw.

Preferably, the bearing plate is provided with a sliding groove and a through groove, a plurality of sliding blocks are connected in the sliding groove in a sliding manner, the top of each sliding block is fixedly connected with a telescopic rod, a movable plate is movably connected in the through groove, and the bottom end of the movable plate penetrates through the top shell wall of the cavity base.

Preferably, a connecting block is arranged at the bottom of the pressing plate, and the connecting block is in sliding connection with the movable plate.

Preferably, the bottom of slider fixedly connected with props up the piece, and the bottom of props up the piece also passes the top shell wall of cavity base.

Preferably, the screw rod is connected with a threaded ring in a threaded manner, the right side of the outer ring of the threaded ring is welded with a fixed block, and the right end of the fixed block is welded on the movable plate.

Preferably, a rotating shaft is arranged on the gear, the right end of the rotating shaft is rotationally connected to the right inner wall of the cavity base, and the top end of the fixing rod is welded on the supporting block.

Compared with the prior art, the utility model has the following beneficial technical effects:

through the combination of various structures, when the device is used for clamping and fixing the locating plate of the welding jig, the equidistant adjustment of a plurality of clamping plates is realized through the combination of the gear and the rack, so that the mode that the clamping plates are judged by naked eyes in the adjusting process in the prior art is replaced, and the device can also be used for synchronously clamping the locating plate through the plurality of clamping plates, so that the working efficiency is improved, and the trouble of workers is lightened.

Drawings

FIG. 1 presents a schematic view of a partial side-view structure of an embodiment of the utility model;

FIG. 2 is a schematic side view of the gear of FIG. 1;

fig. 3 is an enlarged schematic view of a partial structure at a of fig. 1.

Reference numerals: 1. a frame; 2. a mounting frame; 3. a positioning plate; 4. a cavity base; 5. a carrying plate; 6. a telescopic rod; 7. a movable plate; 8. a pressing plate; 9. a worm; 10. a worm wheel; 11. a screw rod; 12. a gear; 13. a first rack; 14. a second rack; 15. and a fixing rod.

Detailed Description

The technical scheme of the utility model is further described below with reference to the attached drawings and specific embodiments.

Example 1

As shown in fig. 1-2, the machine welding jig convenient to clamp provided by the utility model comprises a frame 1, a mounting frame 2 and a positioning plate 3. The below of locating plate 3 is provided with loading board 5, the bottom fixedly connected with cavity base 4 of loading board 5, and swing joint has telescopic link 6 and fly leaf 7 on the loading board 5, the top fixedly connected with clamp plate 8 of telescopic link 6, and sliding connection between clamp plate 8 and the fly leaf 7, the inside of cavity base 4 is provided with worm 9 and gear 12, the side of worm 9 is equipped with worm wheel 10, install lead screw 11 on the worm wheel 10, swing joint between lead screw 11 and the fly leaf 7, sliding connection has rack one 13 and rack two 14 respectively with the below of gear 12, the positive fixedly connected with dead lever 15 of rack two 14.

In this embodiment, a vertical rod is welded at one end of the back surface of the rack one 13, the top end of the vertical rod passes through the top shell wall of the cavity base 4 and is fixedly connected to the bottom of the slider at the back surface, the top of the rack one 13 is slidably connected to the top inner wall of the cavity base 4, the bottom of the rack two 14 is slidably connected to the bottom inner wall of the cavity base 4, a fixing seat is arranged on the top inner wall of the cavity base 4, and the worm 9 is rotatably connected to the fixing seat.

The working principle of the machine welding jig convenient to clamp is that when the positioning plate 3 is clamped and fixed in the equipment assembling process, any sliding block is pulled according to the length of the positioning plate 3, so that the telescopic rod 6 and the first rack 13 or the second rack 14 are driven to move, the position of the pressing plate 8 is adjusted along with the movement of the sliding block, equidistant adjustment of the two sliding blocks is realized along with the movement of any sliding block through the transmission among the first rack 13, the second rack 14 and the gear 12, after the position adjustment of the pressing plate 8 is completed, the worm 9 is rotated, the worm 9 and the worm wheel 10 are meshed and transmitted, the screw rod 11 is driven to rotate, the screw rod 11 rotates to enable the threaded ring to move downwards, the pressing plate 8 is driven to move downwards through the movable plate 7, and the clamping and fixing of the positioning plate 3 are further realized.

Example two

As shown in fig. 1, the machine welding jig with convenient clamping according to the present utility model further includes: all fixedly connected with mounting bracket 2 on the front of frame 1 and the back shell wall, the top of mounting bracket 2 is provided with locating plate 3, the below of locating plate 3 is provided with the loading board 5 that is located mounting bracket 2 right side, the bottom of cavity base 4 passes through the screw connection on frame 1, spout and logical groove have been seted up on the loading board 5, the inside sliding connection of spout has a plurality of sliders, the top fixedly connected with telescopic link 6 of slider, the inside swing joint who leads to the groove has fly leaf 7, the top shell wall of cavity base 4 is passed to the bottom of fly leaf 7, the bottom of clamp plate 8 is provided with the connecting block, sliding connection between connecting block and the fly leaf 7, the bottom fixedly connected with supporting shoe of slider, the top shell wall of cavity base 4 is also passed to the bottom of supporting shoe, install the pivot on the gear 12, the right-hand member rotation of pivot is connected on the right side inner wall of cavity base 4, the top welding of dead lever 15 is on the supporting shoe.

In this embodiment, the top of fly leaf 7 is "T" type structure with the vertical cross-section of connecting block to not only can improve stable direction to the regulation of clamp plate 8, and can drive a plurality of clamp plates 8 synchronous motion, realize the clamp fixing to locating plate 3.

Example III

As shown in fig. 3, the machine welding jig with convenient clamping according to the present utility model further includes: the screw rod 11 is connected with a threaded ring in a threaded manner, the right side of the outer ring of the threaded ring is welded with a fixed block, and the right end of the fixed block is welded on the movable plate 7.

In this embodiment, the screw ring moves on the screw rod 11, so as to realize the up-and-down movement of the movable plate 7.

The above-described embodiments are merely a few preferred embodiments of the present utility model, and many alternative modifications and combinations of the above-described embodiments will be apparent to those skilled in the art based on the technical solutions of the present utility model and the related teachings of the above-described embodiments.

Claims (8)

1. The utility model provides a convenient machine welding tool of centre gripping, includes frame (1), mounting bracket (2) and locating plate (3), its characterized in that: the utility model discloses a positioning plate, including locating plate (3), bearing plate (3), cavity base (4), telescopic link (6) and fly leaf (7) are connected with to the bottom fixedly connected with of bearing plate (5), and top fixedly connected with clamp plate (8) of telescopic link (6), and sliding connection between clamp plate (8) and fly leaf (7), the inside of cavity base (4) is provided with worm (9) and gear (12), and the side of worm (9) is equipped with worm wheel (10), installs lead screw (11) on worm wheel (10), swing joint between lead screw (11) and fly leaf (7), the top and the below of gear (12) are sliding connection respectively with rack one (13) and rack two (14), positive fixedly connected with dead lever (15) of rack two (14).

2. The machine welding jig of claim 1, wherein the machine welding jig is convenient to clamp, and is characterized in that: the front and back shell walls of the frame (1) are fixedly connected with mounting frames (2), the tops of the mounting frames (2) are provided with positioning plates (3), and bearing plates (5) located on the right sides of the mounting frames (2) are arranged below the positioning plates (3).

3. The machine welding jig of claim 1, wherein the machine welding jig is convenient to clamp, and is characterized in that: the bottom of the cavity base (4) is connected to the frame (1) through screws.

4. The machine welding jig of claim 1, wherein the machine welding jig is convenient to clamp, and is characterized in that: the bearing plate (5) is provided with a sliding groove and a through groove, a plurality of sliding blocks are connected to the sliding groove in a sliding mode, the top of each sliding block is fixedly connected with a telescopic rod (6), a movable plate (7) is movably connected to the inside of each through groove, and the bottom end of each movable plate (7) penetrates through the top shell wall of the cavity base (4).

5. The machine welding jig of claim 1 or 4, wherein: the bottom of the pressing plate (8) is provided with a connecting block, and the connecting block is in sliding connection with the movable plate (7).

6. The machine welding jig convenient and fast to clamp according to claim 4, wherein: the bottom of slider fixedly connected with props up the piece, and the bottom of props up the piece also passes the top shell wall of cavity base (4).

7. The machine welding jig of claim 1, wherein the machine welding jig is convenient to clamp, and is characterized in that: the screw rod (11) is connected with a threaded ring in a threaded manner, the right side of the outer ring of the threaded ring is welded with a fixed block, and the right end of the fixed block is welded on the movable plate (7).

8. The machine welding jig of claim 6, wherein the machine welding jig is convenient to clamp, and further comprising: the gear (12) is provided with a rotating shaft, the right end of the rotating shaft is rotationally connected to the right inner wall of the cavity base (4), and the top end of the fixing rod (15) is welded on the supporting block.