CN210413055U

CN210413055U - Welding equipment for direct current contactor welding process capable of conveniently clamping workpiece

Info

Publication number: CN210413055U
Application number: CN201921168944.4U
Authority: CN
Inventors: 黄秋平; 高云雅
Original assignee: Xgvac Technology Shanghai Co ltd
Current assignee: Xgvac Technology Shanghai Co ltd
Priority date: 2019-07-22
Filing date: 2019-07-22
Publication date: 2020-04-28
Anticipated expiration: 2029-07-22

Abstract

The utility model relates to a welding equipment for direct current contactor welding process that can convenient centre gripping work piece relates to the laser welding anchor clamps field, aims at solving current laser welding anchor clamps and needs the manpower fastening work piece, complex operation's problem, and its technical essential is: but welding equipment for direct current contactor welding process of convenient centre gripping work piece is including the base, fixedly connected with frame on the base, the output shaft of fixedly connected with cylinder and cylinder in the frame is perpendicular towards the base, fixedly connected with clamp plate on the output shaft of cylinder, the clamp plate is parallel with the base, fixedly connected with holds in the palm the mechanism on the base, hold in the palm the mechanism and be the same center pin with the output shaft of cylinder. The utility model discloses when carrying out the work piece and adding man-hour, can open the cylinder, the output shaft of cylinder stretches out to make the clamp plate press the fastening work piece automatically, avoid by manual operation fastening work piece, increase intensity of labour.

Description

Welding equipment for direct current contactor welding process capable of conveniently clamping workpiece

Technical Field

The utility model relates to a direct current contactor processing equipment especially relates to a welding equipment for direct current contactor welding process that can convenient centre gripping work piece.

Background

At present to the application of laser welding, mainly be applied to the welding of thin wall spare, when carrying out laser welding to the part by the welding, in order to reduce by the welded part because the structural change that the hot melt produced, prior art uses the clamp plate to splice together by welded part pressfitting, the operation personnel is fixed with the clamp plate through the bolt again, the fixed mode of this kind of part is although reliable, but because use the manpower to fix, low in production efficiency, the reliability of this kind of fixed mode relies on operation personnel's experience moreover to lead to the inconvenient work efficiency that influences of operation, consequently the utility model provides a new technical scheme solves this problem.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a can be automatic centre gripping work piece can convenient centre gripping work piece welding equipment for direct current contactor welding process, can be used for automatic centre gripping to need welded work piece, reduce manual operation step, improve work efficiency.

The utility model aims at realizing through the following technical scheme:

welding equipment for direct current contactor welding process that can convenient centre gripping work piece, including laser welding appearance and clamping device, clamping device includes frame and the support mechanism of base, fixed connection on the base, the vertical cylinder that is provided with the drive clamp plate and slides in the frame that slides of frame is connected with clamp plate, the clamp plate is located the top of holding the mechanism, the flexible direction of cylinder is on a parallel with the clamp plate and holds the array orientation of holding the mechanism.

Through the technical scheme, when laser welding is carried out, the output shaft of the cylinder can stretch out and draw back through the opening and closing cylinder, so that the pressing plate can be pushed to automatically press the workpiece placed on the jig, the workpiece is fixed through the pressing plate and the jig, an operator does not need to use manpower to fix the workpiece, and the working efficiency is improved.

The utility model discloses further set up to: the frame comprises a pillar vertically fixed on the base, a cross arm beam is connected to the pillar, an air cylinder is fixedly connected to one end, far away from the pillar, of the cross arm beam, and a connecting plate group is connected to an output shaft of the air cylinder; the connecting plate group comprises a third connecting plate, and a pressing plate is connected to the third connecting plate.

Through above-mentioned technical scheme, can avoid work piece and frame to interfere with each other when pressing the work piece in the position of the certain distance of cylinder with the clamp plate fixed connection who presses the work piece.

The utility model discloses further set up to: and a clamping opening is formed in the third connecting plate, and the end part of the pressing plate is inserted in the clamping opening.

Through the technical scheme, when the workpieces with different laser welding specifications are welded, the pressing plate can be detached, and the pressing plate matched with the workpieces is replaced aiming at the workpieces needing to be machined, so that different machining requirements are met.

The utility model discloses further set up to: an expansion spring is arranged between the pressing plate and the base, one end of the expansion spring is fixed on the pressing plate, and the other end of the expansion spring is abutted to the base.

Through above-mentioned technical scheme, can be after work piece processing is accomplished, by compression deformation's expanding spring have ascending restoring force to act on the clamp plate, supplementary cylinder provides a restoring force, and it can play the cushioning effect when pressing the work piece at the clamp plate simultaneously, makes the part clamping process can be more stable.

The utility model discloses further set up to: the telescopic spring is internally inserted with a guide rod in a same central shaft, one end of the guide rod is fixed on the pressure plate, and the other end of the guide rod extends downwards through the base and is connected with the base in a vertical sliding manner.

Through above-mentioned technical scheme, at the laser welding part in-process, can reduce expanding spring's skew through the guide of guide lever, avoid influencing the processing effect because of expanding spring is crooked.

The utility model discloses further set up to: the base is horizontally embedded with a bearing, the bearing is positioned under the pressure plate, the supporting mechanism comprises a columnar upright post, and the upright post is inserted into an inner ring of the bearing.

Through the technical scheme, in the process of laser welding of parts, when the welding angle of the parts needs to be adjusted, the welding angle can be changed by rotating the supporting mechanism inserted into the bearing inner ring, and the processing requirement is met.

The utility model discloses further set up to: the stand is close to the one end threaded connection of clamp plate and has the tool mount pad, fixedly connected with tool on the tool mount pad.

Through the technical scheme, the fixture mounting seat can be unscrewed aiming at workpieces of different models when different workpieces are processed, the fixture is taken down, and the fixture matched with the workpiece is replaced, so that different welding requirements are met.

The utility model discloses further set up to: the strut is provided with a first sliding groove along the length direction, the first sliding groove is provided with an opening, the opening is located on one side, facing the supporting mechanism, of the first sliding groove, the opening is transversely communicated with the first sliding groove and the outside, the width of the opening is smaller than that of the first sliding groove, the first sliding groove is stretched into the cross arm beam, a sliding plate which is matched with the first sliding groove is fixedly connected to one end, stretched into the first sliding groove, and the upright column is connected with a height adjusting mechanism which is used for driving the sliding plate to vertically slide.

Through above-mentioned technical scheme, when processing different work pieces, when the current clamp plate height can not satisfy the processing requirement, the horizontal arm roof beam can slide from top to bottom along sliding tray one through the sliding plate that sets up in sliding tray one, adjusts the height of clamp plate to the machining height of adaptation processing work piece.

The utility model discloses further set up to: sliding tray two has been seted up to the one side that the mechanism was held in the support of sliding tray one deviates from, the width of sliding tray two is less than the width of sliding tray one, there is the rack along the length direction shaping on the sliding plate, the rack stretches into spout two, height adjustment mechanism includes the transfer line, the transfer line can rotate around its center pin and parallel with the clamp plate, and one end crosses the pillar and stretches into in the sliding tray two, the stand is worn out to another section of transfer line, the one end fixedly connected with and the sliding plate meshed gear of sliding tray two are stretched into to the transfer line, the one end fixedly connected with worm wheel of gear is kept away from to the transfer line, rotate on the pillar and be connected with the worm with worm wheel meshing, the direction of clamp plate is kept away from to the worm orientation, the hand wheel of one.

Through the technical scheme, the hand wheel can be rotated to drive the worm to rotate, the rotating worm can drive the worm wheel on the transmission rod to rotate, the transmission rod drives the gear to rotate, the rotating gear drives the rack to slide up and down, so that the sliding plate is driven to slide up and down, the cross arm beam fixedly connected with the sliding plate drives the connecting plate group and the pressing plate connected to the connecting plate group to slide up and down, the heights of the connecting plate group and the pressing plate are adjusted, and the worm wheel cannot reversely drive the worm, so that the connecting plate group and the pressing plate can be self-locked after the heights of the connecting plate group.

In conclusion, the beneficial technical effects of the invention are as follows:

1. when laser welding is carried out, the air cylinder fixedly connected to the cross arm beam is opened and closed, the output shaft of the air cylinder stretches and retracts to drive the pressing plate to slide up and down, so that the pressing plate can automatically press a workpiece, an operator does not need to manually fix the workpiece by using bolts, and the workpiece clamping efficiency is improved;

2. when different workpieces are machined, the heights of the connecting plate group and the pressing plate can be adjusted through the height adjusting mechanism so as to adapt to different machining heights;

3. when different workpieces are processed, the jig which is not matched with the workpiece can be detached to replace the matched jig so as to clamp different workpieces.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the structure of the clamping device of the present invention;

FIG. 3 is a schematic structural view of the supporting device of the present invention;

FIG. 4 is a partial exploded view of the present invention, mainly illustrating the structure of the height adjustment mechanism;

fig. 5 is a schematic view of a local structure of the present invention, which is mainly used for showing the worm and gear structure.

In the figure: 1. a base; 11. a bearing; 12. a groove; 2. a frame; 21. a pillar; 211. a first sliding groove; 212. an opening; 213. a second sliding groove; 214. a butting block; 22. a cross arm beam; 221. a sliding plate; 222. a rack; 23. a cylinder; 24. a gear mounting port; 25. a closing door; 3. pressing a plate; 31. a guide rod; 32. a tension spring; 4. A holding mechanism; 41. a column; 42. a jig mounting base; 43. a jig; 5. a height adjustment mechanism; 51. a transmission rod; 52. a gear; 53. a worm gear; 54. a worm; 55. a hand-operated wheel; 6. a connecting plate group; 61. a first connecting plate; 62. a second connecting plate; 63. a third connecting plate; 631. a clamping port; 7. a laser welding instrument.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings and examples.

In which like parts are designated by like reference numerals. It should be noted that as used in the following description, the terms "front," "back," "left," "right," "upper," and "lower" refer to directions in the drawings, and the terms "bottom" and "top," "inner," and "outer" refer to directions toward or near the geometric center of a particular component, respectively.

The welding equipment for the direct current contactor welding process capable of conveniently clamping workpieces refers to fig. 1 and 2, and comprises a laser welding instrument 7 and a clamping device arranged on a laser welding table of the laser welding instrument 7, wherein the clamping device comprises a base 1 with a rectangular top view and a rack 2 fixedly connected to the upper part of the base 1, a pressure plate 3 is connected to the rack 2 in a vertical sliding mode, and a cylinder 23 used for driving the pressure plate 3 to slide is arranged on the rack 2; a holding mechanism 4 for holding a part is vertically provided right below the platen 3, and the extending and contracting direction of the output shaft of the cylinder 23 is parallel to the arrangement direction of the platen 3 and the holding mechanism 4.

Referring to fig. 2, in order to adjust the angle of the part during welding, a bearing 11 is embedded on the base 1, the bearing 11 is positioned right below the pressure plate 3, and the supporting mechanism 4 is inserted into the inner ring of the bearing 11; when the welding angle needs to be adjusted during laser welding, the circumferential position of the workpiece can be changed by rotating the supporting mechanism 4.

Referring to fig. 2 and 3, the supporting mechanism 4 includes a cylindrical column 41, the column 41 is inserted into the bearing 11, and a jig mounting seat 42 is connected to one end of the column 41 far from the base 1 by a screw. A jig 43 for holding the workpiece is fixed on the upper portion of the jig mounting seat 42, and the jig 43 is designed according to the structure of the workpiece, for example: is a cylindrical cup body structure with two mutually-jointed and fixed structures. When different parts need to be processed, the jig mounting seat 42 can be unscrewed, the jig 43 of adaptation is changed, and the screw thread is connected on the stand 41, thereby the utility model discloses satisfy different operation requirements.

Referring to fig. 2, the frame 2 includes two pillars 21 vertically and fixedly connected to the base 1, and a top view of the pillars 21 is rectangular; the two struts 21 are respectively and horizontally connected with a cross arm beam 22, and the cross arm beam 22 extends towards one side of the supporting mechanism 4; and air cylinders 23 for adjusting the vertical positions of the pressure plates 3 are respectively and fixedly connected to one ends of the two cross arm beams 22 far away from the support columns 21, and output shafts of the two air cylinders 23 face downwards and penetrate through the cross arm beams 22.

A connection plate group 6 is fixedly connected to an output shaft end portion of the cylinder 23, and the pressure plate 3 can be connected through the connection plate group 6. The connecting plate group 6 comprises first connecting plates 61 which are horizontally fixed on the output shafts of the two cylinders 23 respectively, and the first connecting plates 61 extend towards the upright post 41 side; one end of the first connecting plate 61, which is far away from the strut 21, is fixedly connected with a second connecting plate 62, and the second connecting plate 62 vertically extends upwards; a third connecting plate 63 is fixedly connected to one end of the second connecting plate 62 away from the base 1, and the third connecting plate 63 extends towards the upright 41. The two connecting plates 63 are provided with horizontal clamping ports 631 (shown in fig. 4), the openings of the two clamping ports 631 face the direction away from the pillar 21, and the connecting line direction of the two clamping ports 631 is also in an open structure, two ends of the pressing plate 3 are respectively clamped in the two clamping ports 631, and two ends of the pressing plate 3 are respectively fixed in the clamping ports 631 by bolts.

After the part is placed on the jig 43, the cylinder 23 is opened to push the connecting plate group 6 to drive the pressing plate 3 to slide downwards, and the part is pressed on the jig 43 through the pressing plate 3.

Referring to fig. 2, in order to provide a restoring force by the auxiliary cylinder 23 when adjusting the up-and-down position of the pressing plate 3 and to make the lifting of the pressing plate 3 more stable and prevent the pressing plate 3 from crushing the workpiece carelessly, an extension spring 32 is connected between the pressing plate 3 and the base 1, the extension direction of the extension spring 32 is perpendicular to the base 1, one end of the extension spring 32 is fixed on the pressing plate 3, and the other end of the extension spring abuts against the base 1. In order to prevent the extension spring 32 from being inclined during use, a guide rod 31 for guiding the extension spring 32 to extend and retract is inserted into the extension spring 32 coaxially with the central axis, one end of the guide rod 31 is fixed on the pressure plate 3, and the other end of the guide rod 31 penetrates through the base 1 to extend downwards and is connected in a sliding manner. In order to prevent the guide rod 31 from abutting against the workbench when the guide rod is extended and contracted under the action of the spring, the lower side of the base 1 is provided with the groove 12, so that the front view of the base 1 is in an inverted U shape, and the weight of the base 1 can be reduced and the base can be placed more stably.

When the pressing plate 3 slides up and down under the action of the cylinder, the compressed expansion spring 32 can provide upward restoring force for the restoration of the pressing plate 3, and meanwhile, the groove 12 formed in the lower side of the base 1 provides an expansion space for the downward expansion of the guide rod 31.

Referring to fig. 4, in order to allow the frame 2 to slide up and down to fit components of different heights, a first sliding groove 211 having a rectangular shape in a plan view is formed in the column 21 along the longitudinal direction. An opening 212 is transversely formed in one surface, close to the supporting mechanism 4, of the support post 21, the opening 212 is communicated with the first sliding groove 211, the opening 212 is communicated with the outside of the support post 21, and the width of the opening is smaller than that of the first sliding groove 211.

The transverse arm beam 22 extends into the first sliding groove 211 through the opening 212, a sliding plate 221 matched with the first sliding groove 211 is fixedly connected to one end, extending into the first sliding groove 211, of the transverse arm beam 22, a rack 222 is formed on one surface, away from the opening 212, of the sliding plate 221, and the sliding plate 221 can slide up and down in the first sliding groove 211.

In order to prevent the cross-arm beam 22 and the connecting plate group 6 from excessively sliding downwards and to prevent the base 1 from interfering with the expansion and contraction of the cylinder 23, an abutting block 214 which is matched with the opening 212 is fixed at one end of the opening 212 close to the base 1, and the height of the abutting block 214 is lower than that of the support column 21.

In use, the cross arm beam 22 can extend into the first sliding groove 211 through the opening 212, and the sliding plate 221 fixed on the cross arm beam 22 guides the cross arm beam 22 to slide up and down.

Referring to fig. 4 and 5, in order to position the lateral arm members 22 and adjust the heights of the platen 3 and the connecting plate group 6, height adjusting mechanisms 5 are fixedly connected to the two support columns 21.

And a second sliding groove 213 is formed in one surface of the first sliding groove 211, which is far away from the supporting mechanism 4, and the width of the second sliding groove 213 is smaller than that of the first sliding groove 211.

The height adjusting mechanism 5 comprises transmission rods 51 rotatably connected to the two columns 21, respectively, the transmission rods 51 being rotatable about their central axes and being parallel to the press plate 3; one end of the transmission rod 51 transversely penetrates through the second sliding groove 213, and the other end penetrates through the pillar 21; a gear 52 meshed with the sliding plate 221 is fixedly connected to the transmission rod 51, a worm wheel 53 is fixedly connected to one end, penetrating out of the support column 21, of the transmission rod 51, a worm 54 meshed with the worm wheel 53 is rotatably connected to the support column 21, the worm 54 is parallel to the cross arm beam 22 and extends towards the direction far away from the pressure plate 3, and a hand wheel 55 is fixedly connected to one end, far away from the pressure plate 3, of the worm 54 on the same center shaft.

The end surface of the pillar 21 far away from the hand-operated wheel 55 is provided with a gear mounting port 24 for conveniently mounting the gear 52, the gear mounting port 24 is communicated with the second sliding groove 213, and the edge of the outer opening is covered and fixed with a closed door 25.

Can drive worm 54 through rotatory hand wheel 55 and rotate during the use, worm 54 drives worm wheel 53 on the transfer line 51 and rotates, drives gear 52 through transfer line 51 and rotates, and pivoted gear 52 drives sliding plate 221 and slides from top to bottom to the vertical position through connecting plate group 6 adjusting clamp plate 3 makes the utility model discloses can the more types of part of adaptation.

When laser welding is carried out, the operation steps are as follows:

1. according to the parts to be welded, the hand wheel 55 is rotated to drive the worm 54 to rotate, the worm 54 drives the worm wheel 53 on the transmission rod 51 to rotate, the transmission rod 51 drives the gear 52 to rotate, and the rotating gear 52 drives the sliding plate 221 to slide up and down so as to adjust the vertical position of the pressing plate 3 through the connecting plate group 6, so that the utility model can be adapted to the parts of more types;

2. after the height of the pressing plate 3 is adjusted, the part is placed in the jig 43, the cylinder 23 is started, the output shaft of the cylinder 23 extends downwards, and the pressing plate 3 moves downwards to press the part to be welded;

3. after the parts are clamped, the clamp is sent into the equipment for laser welding, after the welding is finished, the clamping device is withdrawn from the equipment, the air cylinder 23 is closed, and the compressed expansion spring 32 applies upward restoring force to the pressing plate 3, so that the pressing plate 3 is reset to take out the welded parts.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a can convenient centre gripping work piece welding equipment for direct current contactor welding process, includes laser welding appearance (7) and installs the clamping device on the laser welding bench of laser welding appearance (7), its characterized in that: clamping device includes base (1), frame (2) and the support of fixed connection on base (1) and holds mechanism (4), frame (2) vertical slip is connected with clamp plate (3) and is provided with cylinder (23) that drive clamp plate (3) and slide on frame (2), clamp plate (3) are located the top of holding mechanism (4), the flexible direction of the output shaft of cylinder (23) is on a parallel with the array direction of clamp plate (3) and support mechanism (4).

2. The welding equipment for the welding process of the direct current contactor capable of conveniently clamping the workpiece according to claim 1, is characterized in that: the frame (2) is including pillar (21) of vertical fixation on base (1), be connected with horizontal arm roof beam (22) on pillar (21), the one end fixedly connected with cylinder (23) of pillar (21) are kept away from to horizontal arm roof beam (22), fixedly connected with connection plate group (6) on the output shaft of cylinder (23), connection plate group (6) are including connecting plate three (63), be connected with clamp plate (3) on connecting plate three (63).

3. The welding equipment for the welding process of the direct current contactor capable of conveniently clamping the workpiece according to claim 2, is characterized in that: and a clamping opening (631) is formed in the third connecting plate (63), and the end part of the pressure plate (3) is inserted into the clamping opening (631).

4. The welding equipment for the welding process of the direct current contactor capable of conveniently clamping the workpiece according to claim 3, is characterized in that: an expansion spring (32) is arranged between the pressing plate (3) and the base (1), one end of the expansion spring (32) is fixed on the pressing plate (3), and the other end of the expansion spring is abutted to the base (1).

5. The welding device for the welding process of the direct current contactor capable of conveniently clamping the workpiece, according to claim 4, comprises: a guide rod (31) is inserted into the telescopic spring (32) through a central shaft, one end of the guide rod (31) is fixed on the pressure plate (3), and the other end of the guide rod extends through the base (1) to extend downwards and is connected with the base (1) in a vertical sliding mode.

6. The welding equipment for the welding process of the direct current contactor capable of conveniently clamping the workpiece according to claim 4, is characterized in that: the base (1) is horizontally embedded with a bearing (11), the bearing (11) is positioned under the pressure plate (3), the supporting mechanism (4) comprises a columnar upright post (41), and the upright post (41) is inserted into an inner ring of the bearing (11).

7. The welding equipment for the welding process of the direct current contactor capable of conveniently clamping the workpiece according to claim 6, is characterized in that: one end of the upright post (41) close to the pressing plate (3) is in threaded connection with a jig mounting seat (42), and a jig (43) is fixedly connected onto the jig mounting seat (42).

8. The welding equipment for the welding process of the direct current contactor capable of conveniently clamping the workpiece according to claim 2, is characterized in that: the supporting column (21) is provided with a first sliding groove (211) along the length direction, the first sliding groove (211) is provided with an opening (212), the opening (212) is located on one side, facing the supporting mechanism (4), of the first sliding groove (211), the opening (212) is transversely communicated with the first sliding groove (211) and the outside, the width of the opening (212) is smaller than that of the first sliding groove (211), the cross arm beam (22) stretches into the first sliding groove (211), one end of the stretch-in cross arm beam is fixedly connected with a sliding plate (221) matched with the first sliding groove (211), and the supporting column (21) is connected with a height adjusting mechanism (5) used for driving the sliding plate (221) to vertically slide.

9. The welding equipment for the welding process of the direct current contactor capable of conveniently clamping the workpiece according to claim 8, is characterized in that: one side, away from the supporting mechanism (4), of the sliding groove I (211) is provided with a sliding groove II (213), the width of the sliding groove II (213) is smaller than that of the sliding groove I (211), a rack (222) is formed on the sliding plate (221) along the length direction, the rack (222) extends into the sliding groove II (213), the height adjusting mechanism (5) comprises a transmission rod (51), the transmission rod (51) can rotate around the central axis of the transmission rod and is parallel to the pressing plate (3), one end of the transmission rod (51) transversely penetrates through the strut (21) and extends into the sliding groove II (213), the other section of the transmission rod (51) penetrates through the strut (21), one end, extending into the sliding groove II (213), of the transmission rod (51) is fixedly connected with a gear (52) meshed with the sliding plate (221), one end, far away from the gear (52), of the transmission rod (51) is fixedly connected with a worm wheel (53), and the strut (21) is rotatably connected with a worm (54), the worm (54) faces the direction far away from the pressing plate (3), and one end, far away from the pressing plate (3), of the worm (54) is fixedly connected with a hand-operated wheel (55).