CN212239796U

CN212239796U - Welding and clamping tool for outgoing line of generator stator

Info

Publication number: CN212239796U
Application number: CN202020643215.6U
Authority: CN
Inventors: 黄浩欢; 陈宗海
Original assignee: Chengdu Huachuan Electric Parts Co Ltd
Current assignee: Chengdu Huachuan Electric Parts Co Ltd
Priority date: 2020-04-24
Filing date: 2020-04-24
Publication date: 2020-12-29
Anticipated expiration: 2030-04-24

Abstract

The utility model relates to the field of welding technique, a generator stator lead-out wire welding centre gripping frock is provided, including the fixed plate, rotate the vertical pivot of installing on the fixed plate, fix the stator mount pad at vertical pivot top, set up in the top of stator mount pad, and can dismantle at least one pliers of being connected with the stator mount pad, the elasticity piece that resets of two pincers mouth looks interlocks of every pliers of drive, the vertical pivot of drive is around self axis pivoted actuating mechanism. Through setting up first actuating mechanism to the generator stator uniform velocity of control installation on the stator mount pad rotates, has guaranteed generator stator's lead-out wire welding speed's homogeneity when the welding, and then has guaranteed welding quality's uniformity, has improved generator stator's quality.

Description

Welding and clamping tool for outgoing line of generator stator

Technical Field

The utility model belongs to the technical field of the welding technique and specifically relates to a generator stator lead-out wire welding centre gripping frock.

Background

As shown in fig. 1, the lead wire 71 of the generator stator 7 needs to be welded to the end of the generator stator 7 after being led out from the end of the generator stator 7. The traditional welding method comprises the following steps: the generator stator 7 is kept still, one worker clamps the plurality of lead-out wires 71 at the set positions with pliers, and the other worker welds the lead-out wires 71 to the end portion of the generator stator 7 by manual argon arc welding.

This welding method has the following problems: 1. because the uniformity of the welding speed is one of the important factors influencing the welding quality, and the existing welding mode controls the welding speed by manually moving a welding gun, the welding speed is not uniform, the consistency of the welding quality is poor, the stability of a stator of a generator is influenced, and the quality of the stator of the generator is unqualified in severe cases; 2. The manual operation causes the labor intensity of workers to be higher, the workers can hold the welding gun for welding for a long time, the welding quality of the workers can be influenced due to fatigue, and the yield of the generator stator is further influenced; 3. the welding requirement of the outgoing line of the generator stator is high, so that the requirement on the welding level of workers is high; 4. the existing welding mode at least needs two workers to cooperate, and the labor cost is high.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a generator stator lead-out wire welding centre gripping frock is provided to improve generator stator's quality.

The utility model provides a technical scheme that its technical problem adopted is: generator stator lead-out wire welding centre gripping frock, including the fixed plate, rotate the vertical pivot of installing on the fixed plate, fix the stator mount pad at vertical pivot top, set up in the top of stator mount pad, and can dismantle at least one pliers of being connected with the stator mount pad, the elasticity that drives two pincers mouths looks interlocks of every pliers resets, drives vertical pivot around self axis pivoted actuating mechanism.

Furthermore, the first driving mechanism comprises a gear arranged on the vertical rotating shaft, a rack which is slidably arranged on the fixing plate and meshed with the gear, and a first power part which drives the rack to reciprocate along the length direction of the rack.

Further, the first power member is a first cylinder.

Further, the first cylinder and the rack are respectively arranged on two sides of the fixing plate; the cylinder body of the first cylinder is connected with the fixed plate, a piston rod of the first cylinder is provided with a connecting block, and a long groove is arranged at a position, corresponding to the connecting block, on the fixed plate; the connecting block penetrates through the elongated groove and is connected with the rack, and the connecting block can move along the elongated groove.

Further, the stator mounting seat comprises a bottom plate fixed at the top of the vertical rotating shaft and a circle of side plates fixed on the upper surface of the bottom plate; and an accommodating cavity for accommodating the generator stator is enclosed between the upper surface of the bottom plate and the inner surface of the side plate.

Further, the forceps are connected to the side plates by hinges so that the forceps can be rotated about the center of the hinges in a vertical plane.

Further, still include the welder mount pad that sets up in one side of stator mount pad, and be connected with the fixed plate.

Furthermore, the welding gun mounting seat comprises a support, a mounting plate and a second driving mechanism, wherein the mounting plate is slidably mounted on the support, and the second driving mechanism drives the mounting plate to slide up and down.

Further, the second driving mechanism is a second air cylinder.

Further, the elastic reset piece is a spring.

The utility model has the advantages that:

1. through setting up first actuating mechanism to the generator stator uniform velocity of control installation on the stator mount pad rotates, has guaranteed generator stator's lead-out wire welding speed's homogeneity when the welding, and then has guaranteed welding quality's uniformity, has improved generator stator's quality.

2. After a plurality of outgoing lines of the generator stator are clamped at the set positions through the pliers, the pliers are always in a clamping state through the elastic reset piece, therefore, in the subsequent process of welding the outgoing lines of the generator stator, a worker does not need to hold the pliers again to clamp the outgoing lines, the number of workers needed by the outgoing lines in the welding process is reduced, and labor cost is saved.

Drawings

In order to more clearly illustrate the technical solution in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below; it is obvious that the drawings in the following description are only some embodiments of the invention, and that for a person skilled in the art, other drawings can be derived from them without inventive effort.

FIG. 1 is a schematic diagram of a generator stator lead-out wire configuration;

fig. 2 is a perspective view of a welding and clamping tool for a generator stator outgoing line according to an embodiment of the present invention;

fig. 3 is a front view of a welding and clamping tool for a generator stator outgoing line according to an embodiment of the present invention;

FIG. 4 is a cross-sectional view A-A of FIG. 3;

fig. 5 is a perspective view of the utility model discloses generator stator lead-out wire welding centre gripping frock.

The reference numbers in the figures are: 1-a fixed plate, 2-a vertical rotating shaft, 3-a stator mounting seat, 4-a pliers, 5-an elastic reset piece, 6-a first driving mechanism, 7-a generator stator, 8-a hinge, 9-a welding gun mounting seat, 11-a strip-shaped groove, 21-a sleeve, 22-a flange, 23-a bearing, 31-a bottom plate, 32-a side plate, 33-an accommodating cavity, 34-a positioning plate, 61-a gear, 62-a rack, 63-a first power piece, 64-a connecting block, 65-a first guide rail, 66-a first sliding block, 67-a limiting block, 71-an outgoing line, 91-a support, 92-a mounting plate and 93-a second driving mechanism.

Detailed Description

The present invention will be further explained with reference to the drawings and examples. It should be noted that the embodiments and features of the embodiments of the present invention may be combined with each other without conflict.

As shown in fig. 2 to 4, the utility model discloses generator stator lead-out wire welding centre gripping frock, including fixed plate 1, rotate the vertical rotating shaft 2 of installing on fixed plate 1, fix the stator mount pad 3 at 2 tops of vertical rotating shaft, set up in the top of stator mount pad 3, and can dismantle at least one pliers 4 of being connected with stator mount pad 3, the elasticity that drives two pincers mouth looks interlocks of every pliers 4 resets 5, drives vertical rotating shaft 2 around self axis pivoted actuating mechanism 6.

As shown in fig. 2 to 4, the fixing plate 1 is horizontally disposed, and the vertical rotating shaft 2 is vertically disposed. The vertical rotating shaft 2 is rotatably mounted on the fixing plate 1, so that the vertical rotating shaft 2 can rotate around the axis of the vertical rotating shaft. And the stator mounting seat 3 is fixed at the top of the vertical rotating shaft 2 and used for supporting a generator stator 7. The pliers 4 is a hand tool for clamping the lead-out wire 71, and the elastic reset piece 5 provides reset driving force to enable two pliers mouths of the pliers 4 to be meshed, so that the pliers 4 is always in a clamping state. And the first driving mechanism 6 is in transmission connection with the vertical rotating shaft 2 and is used for driving the vertical rotating shaft 2 to rotate at a constant speed.

The utility model discloses generator stator lead-out wire welding centre gripping frock has changed generator stator 7's lead-out wire 71's welding mode. In operation, as shown in fig. 2, the generator stator 7 is placed on the stator mounting base 3, the generator stator 7 is arranged coaxially with the vertical rotating shaft 2, and then the outgoing line 71 is clamped at a set position by the pliers 4; then, the outgoing line 71 is welded by the welding gun, the position of the welding gun is kept unchanged, meanwhile, the first driving mechanism 6 drives the vertical rotating shaft 2 to rotate at a constant speed, and then the stator mounting base 3 drives the generator stator 7 to rotate at a constant speed, so that the uniformity of the welding speed of the outgoing line 71 of the generator stator 7 during welding is ensured, the consistency of the welding quality is ensured, and the quality of the generator stator 7 is improved.

Fig. 4 shows a mounting structure between the vertical rotary shaft 2 and the fixed plate 1, which includes a sleeve 21 vertically disposed above the fixed plate 1, the lower end of the sleeve 21 has a flange 22 extending radially outward, the flange 22 is connected with the fixed plate 1 by bolts, and the vertical rotary shaft 2 passes through the sleeve 21 and is connected with the sleeve 21 by two bearings 23. The sleeve 21 and the flange 22 may be an integrally formed structure, may also be connected by welding, and may also be detachably connected by fasteners such as bolts. Furthermore, a through hole for the vertical rotating shaft 2 to pass through is formed in the position, corresponding to the vertical rotating shaft 2, of the fixing plate 1, and the lower end of the vertical rotating shaft 2 passes through the through hole. Of course, the vertical rotating shaft 2 and the fixing plate 1 may be connected by other mounting structures, as long as the vertical rotating shaft 2 can rotate around its own axis, which is not limited herein.

The first driving mechanism 6 is used for driving the vertical rotating shaft 2 to rotate around the axis of the vertical rotating shaft. This first actuating mechanism 6 can be the motor, and the motor is connected with the transmission of vertical rotating shaft 2, and then drives vertical rotating shaft 2 and rotates around self axis. In a preferred embodiment, the first driving mechanism 6 includes a gear 61 mounted on the vertical rotating shaft 2, a rack 62 slidably mounted on the fixed plate 1 and engaged with the gear 61, and a first power member 63 driving the rack 62 to reciprocate along the length direction thereof. In operation, the first power member 63 drives the rack 62 to move along the length direction thereof, and the rack 62 drives the gear 61 to rotate, thereby driving the vertical rotating shaft 2 to rotate around the axis thereof.

As shown in fig. 2 and 4, the rack 62 is mounted on the fixed plate 1 through a first guide device; the first guide means comprise a guide member constituted by a first guide rail 65 and a moving member constituted by a first slider 66. The first sliding block 66 is slidably connected with the first guide rail 65, so that the first sliding block 66 can slide on the first guide rail 65; the axial direction of the first guide rail 65 is parallel to the length direction of the rack 62 and is connected with the fixed plate 1; the first slider 66 is connected to the rack 62. Preferably, the first sliding block 66 is an elongated structure, and the length thereof is equal to the length of the rack 62; further, the first sliding block 66 and the rack 62 are formed as an integral structure.

In a preferred embodiment, the fixing plate 1 is provided with a stopper 67 for limiting both ends of the rack 62. As shown in fig. 3, the rack 62 is located between the two stoppers 67, and the rack 62 can only move between the two stoppers 67 by providing the two stoppers 67.

The first power member 63 may be a linear actuator such as a hydraulic cylinder or an electric push rod, and in a preferred embodiment, the first power member 63 is a first air cylinder.

The first cylinder and the rack 62 can be arranged on the same side of the fixed plate 1; as a preferred embodiment, as shown in fig. 3 and 4, the first cylinder and the rack 62 are respectively disposed on both sides of the fixed plate 1; the cylinder body of the first cylinder is connected with the fixing plate 1, a connecting block 64 is installed on a piston rod of the first cylinder, and a long groove 11 is formed in the fixing plate 1 at a position corresponding to the connecting block 64; the connecting block 64 passes through the elongated slot 11 and is connected to the rack 62, and the connecting block 64 can move along the elongated slot 11.

As shown in fig. 3 and 4, the first cylinder is disposed below the fixed plate 1, and the rack 62 is disposed above the fixed plate 1; during operation, the piston rod of the first cylinder drives the connecting block 64 to move along the elongated slot 11, and then drives the rack 62 to move through the connecting block 64, and then drives the gear 61 to rotate through the rack 62, so that the vertical rotating shaft 2 rotates around the axis of the vertical rotating shaft.

As shown in fig. 2, 3 and 4, the stator mounting seat 3 is fixed on the top of the vertical rotating shaft 2 and is used for supporting the generator stator 7. In operation, the generator stator 7 may be directly placed on the stator mounting base 3, or the generator stator 7 may be detachably connected to the stator mounting base 3 by other fastening devices, which is not specifically limited herein.

In a preferred embodiment, the top of the stator mounting seat 3 is provided with an accommodating cavity 33 for accommodating the generator stator 7. The shape and size of the receiving cavity 33 are set according to the shape and size of the generator stator 7, so that the generator stator 7 can be placed in the receiving cavity 33. In operation, the generator stator 7 is directly placed in the receiving cavity 33, and radial displacement of the generator stator 7 is prevented by the side wall of the receiving cavity 33.

Fig. 2 to 4 show an embodiment of the stator mounting base 3, wherein the stator mounting base 3 comprises a bottom plate 31 fixed on the top of the vertical rotating shaft 2, and a ring of side plates 32 fixed on the upper surface of the bottom plate 31; an accommodating cavity 33 for accommodating the generator stator 7 is enclosed between the upper surface of the bottom plate 31 and the inner surface of the side plate 32. Further, as shown in fig. 4, the bottom of the accommodating cavity 33 is further provided with a positioning plate 34 fixedly connected with the bottom plate 31, the shape of the top of the positioning plate 34 matches with the shape of the bottom of the generator stator 7, and after the generator stator 7 is placed in the accommodating cavity 33, the generator stator 7 can be prevented from generating radial displacement by matching the positioning plate 34 with the generator stator 7, so that the installation stability of the generator stator 7 is improved.

The pliers 4 are a hand tool for holding the lead-out wire 71, each pliers 4 comprising two pliers bodies hinged to each other by a connecting shaft, each pliers body comprising a pliers mouth on one side of the connecting shaft and a handle on the other side of the connecting shaft. Each pliers 4 is provided with an elastic reset piece 5, and a driving force is provided through the elastic reset piece 5 so as to drive the two jaws of each pliers 4 to be mutually occluded, so that the pliers 4 are always in a clamping state. Therefore, in the subsequent process of welding the outgoing line 71 of the generator stator 7, workers do not need to hold the pliers 4 to clamp the outgoing line 71, the number of workers needed by the outgoing line 71 in the welding process is reduced, and labor cost is saved.

The elastic restoring member 5 may be an elastic rope, a spring, or the like. In a preferred embodiment, the elastic return element 5 is a spring, which is arranged between the two handles of each pincer 4. The spring can be a compression spring or an extension spring, which is determined by the manner of articulation between the two jaw bodies of the pliers 4.

The number of the pliers 4 may be one or a plurality of the pliers, and is determined according to the number of the clamping positions of the outgoing lines 71 on the generator stator 7, and is not particularly limited herein.

Furthermore, as shown in fig. 2 and 3, after the two jaws of the pliers 4 are engaged, a positioning hole is formed between the engaging surfaces of the two jaws, and the shape and size of the positioning hole are adapted to the shape and size of the lead wire 71 to be clamped, so that when the lead wire 71 is clamped by the pliers 4, the lead wire 71 can be clamped only by placing the lead wire 71 in the positioning hole, and the stability of the clamped lead wire 71 is improved.

As shown in fig. 3, after installing pliers 4 in the top of stator mount pad 3, the pincers mouth of pliers 4 just is located holding chamber 33 directly over, in order to avoid because the blockking of pliers 4 can't putting generator stator 7 in this holding chamber 33, consequently, in the utility model discloses in, be connected through fastener detachably such as bolt between pliers 4 and the stator mount pad 3. In operation, the connection structure between the pincer 4 and the stator mounting base 3 is firstly removed, then the stator mounting base 3 is placed in the accommodating cavity 33, then the pincer 4 is connected with the stator mounting base 3, and the outgoing line 71 is clamped through the pincer 4.

As a preferred embodiment, as shown in fig. 3, the forceps 4 are connected to the side plate 32 by a hinge 8 so that the forceps 4 can be rotated about the center of the hinge 8 in a vertical plane. The hinge 8 is a mechanical device used for connecting two parts and allowing the two parts to rotate relatively, and mainly comprises a first connecting part and a second connecting part, wherein the first connecting part and the second connecting part are connected through a connecting shaft, the first connecting part and the second connecting part can rotate around the axis of the connecting shaft, the first connecting part is fixed on the outer surface of the side plate 32 through a bolt, and the second connecting part is in clamping fit with the pliers 4 or is connected with the pliers through fasteners such as bolts. During the operation, rotate pliers 4 to vertical state earlier, make pliers 4 wholly be located one side of holding chamber 33, then put generator stator 7 in holding chamber 33, then rotate pliers 4 to horizontal state again, the rethread pliers 4 presss from both sides tightly lead-out wire 71, can simplify the operating procedure like this, improves operating efficiency.

During the welding of the lead wires 71 of the generator stator 7, the position of the welding gun is kept unchanged. Specifically, the position of the welding gun can be kept unchanged in a mode that a worker holds the welding gun by hand, and when one worker holds the welding gun by hand for a long time to weld, the welding quality can be influenced due to fatigue, so that the yield of the generator stator is influenced.

In order to improve the yield of the generator stator, the welding gun mounting seat 9 is arranged on one side of the stator mounting seat 3 and connected with the fixed plate 1. The welding gun mounting seat 9 is used for mounting a welding gun, so that a worker does not need to hold the welding gun for welding in the welding process, the labor cost is saved, the welding quality is prevented from being influenced by manual operation, and the yield of the generator stator 7 is improved.

The welding gun mounting seat 9 may be only a section steel bracket mounted on the fixing plate 1, and the welding gun is mounted on the section steel bracket through a fastener such as a bolt. In a preferred embodiment, as shown in fig. 5, the torch mounting base 9 includes a bracket 91, a mounting plate 92 slidably mounted on the bracket 91, and a second driving mechanism 93 for driving the mounting plate 92 to slide up and down.

The support 91 comprises a cross beam and two upright columns, the lower ends of the upright columns are connected with the fixing plate 1, and the two ends of the cross beam are connected with the upper ends of the two upright columns. The mounting plate 92 is mounted on the bracket 91 by a rail-slider mechanism so that the mounting plate 92 can slide up and down. The second driving mechanism 93 can be a linear driver such as a hydraulic cylinder and an electric push rod; preferably, the second driving mechanism 93 is a second cylinder. In operation, the welding torch is mounted on the mounting plate 92 by bolts, and then the mounting plate 92 is driven to move downward by the second driving mechanism 93, thereby moving the welding torch to the welding position.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. Generator stator lead-out wire welding centre gripping frock, a serial communication port, including fixed plate (1), vertical pivot (2) on fixed plate (1) are installed in the rotation, fix stator mount pad (3) at vertical pivot (2) top, the setting is in the top of stator mount pad (3), and can dismantle at least one pliers (4) of being connected with stator mount pad (3), the elasticity that drives two pincers mouths looks interlocks of every pliers (4) resets (5), drive vertical pivot (2) around self axis pivoted actuating mechanism (6).

2. The welding and clamping tool for the stator lead-out wire of the generator according to claim 1, wherein the first driving mechanism (6) comprises a gear (61) installed on the vertical rotating shaft (2), a rack (62) installed on the fixing plate (1) in a sliding mode and meshed with the gear (61), and a first power part (63) driving the rack (62) to reciprocate along the length direction of the rack.

3. The welding and clamping tool for the outgoing line of the generator stator as claimed in claim 2, wherein the first power member (63) is a first cylinder.

4. The welding and clamping tool for the outgoing line of the generator stator is characterized in that the first cylinder and the rack (62) are respectively arranged on two sides of the fixing plate (1); the cylinder body of the first cylinder is connected with the fixing plate (1), a connecting block (64) is installed on a piston rod of the first cylinder, and a long groove (11) is formed in the position, corresponding to the connecting block (64), of the fixing plate (1); the connecting block (64) penetrates through the elongated groove (11) and is connected with the rack (62), and the connecting block (64) can move along the elongated groove (11).

5. The welding and clamping tool for the outgoing line of the generator stator is characterized in that the stator mounting seat (3) comprises a bottom plate (31) fixed at the top of the vertical rotating shaft (2) and a circle of side plates (32) fixed on the upper surface of the bottom plate (31); and an accommodating cavity (33) for accommodating the generator stator (7) is enclosed between the upper surface of the bottom plate (31) and the inner surface of the side plate (32).

6. The welding and clamping tool for the outgoing line of the generator stator as claimed in claim 5, wherein the pliers (4) are connected with the side plates (32) through hinges (8) so that the pliers (4) can rotate around the centers of the hinges (8) in a vertical plane.

7. The welding and clamping tool for the outgoing line of the generator stator is characterized by further comprising a welding gun mounting seat (9) which is arranged on one side of the stator mounting seat (3) and connected with the fixing plate (1).

8. The welding and clamping tool for the outgoing line of the generator stator as claimed in claim 7, wherein the welding gun mounting seat (9) comprises a support (91), a mounting plate (92) slidably mounted on the support (91), and a second driving mechanism (93) for driving the mounting plate (92) to slide up and down.

9. The welding and clamping tool for the outgoing line of the generator stator as claimed in claim 8, wherein the second driving mechanism (93) is a second cylinder.

10. The generator stator lead wire welding and clamping tool according to claim 1, wherein the elastic reset piece (5) is a spring.