Automatic welding device and method for generator stator

Abstract

The invention relates to the technical field of generator machining, in particular to an automatic welding device and method.The automatic welding device comprises a frame body, a welding head, a feeding and discharging mechanism and a rotating assembly, the frame body is arranged at a designated position for supporting, the feeding and discharging mechanism comprises a sliding part, a first motor, a supporting part, a T-shaped plate and a clamping assembly, and the frame body is provided with a sliding groove; the sliding part is in sliding connection with the sliding groove, the supporting part is rotationally connected with the sliding part, the first motor is used for driving the supporting part to rotate, the T-shaped plate is arranged on the supporting part, the clamping assembly is arranged on the T-shaped plate, and the rotating assembly is used for driving the welding head to rotate. And manual operation is needed, so that the labor cost is high, and the labor intensity is high.

Description

Technical Field

[0001] The present invention relates to the technical field of generator processing, and in particular to an automatic welding device and method for a generator stator. Background Art

[0002] A generator is a mechanical device that converts other forms of energy into electrical energy. Generators are widely used in industrial and agricultural production, national defense, science and technology, and daily life. In the structure of a generator, the generator stator is one of the key components of the generator. It is the stationary part of the motor and is mainly composed of an iron core, a base, a coil and other components. During work, the stator needs to withstand greater mechanical and thermal stress. During the processing of the generator stator, the generator stator needs to be welded, so a welding device is required.

[0003] For example, a generator main stator integrated welding device disclosed in the prior art patent application number CN201820188671.9 is provided with a rotating device, which includes a rotating motor, a driving gear and a driven gear. The rotating motor drives the driving gear to rotate, and the driving gear drives the driven gear to rotate. The driven gear drives the rotating shaft to rotate, so that the main stator mounting shaft can be rotated, and then the main stator can be multi-point welded as needed. The operation is relatively convenient, and the welding efficiency and quality are improved.

[0004] However, in the above method, it is inconvenient to load and unload the generator stator, and manual operation is required, which leads to high labor costs and high labor intensity. Summary of the invention

[0005] The purpose of the present invention is to provide an automatic welding device and method for a generator stator, aiming to solve the technical problems in the prior art that it is inconvenient to load and unload the generator stator, manual operation is required, and thus the labor cost is high and the labor intensity is high.

[0006] To achieve the above-mentioned purpose, the present invention adopts an automatic welding device for a generator stator, including a frame, a welding head, a loading and unloading mechanism and a rotating assembly. The frame is placed at a designated position for support, and the loading and unloading mechanism includes a sliding member, a first motor, a support member, a T-plate and a clamping assembly. The frame has a slide groove, the sliding member is slidably connected to the slide groove, the support member is rotatably connected to the sliding member, the first motor is used to drive the support member to rotate, the T-plate is arranged on the support member, the clamping assembly is arranged on the T-plate, and the rotating assembly is used to drive the welding head to rotate.

[0007] Wherein, the clamping assembly includes a first cylinder, a connecting piece, two force-bearing pieces, two supporting rods, two L-plates and two clamping pieces, the T-plate has two guide grooves, the two force-bearing pieces are respectively slidably connected to the corresponding guide grooves, the force-bearing piece has a through hole, the first cylinder is installed on the T-plate, the output end of the first cylinder is fixedly connected to the connecting piece, the two supporting rods are fixedly connected to the connecting piece, and the two supporting rods are respectively placed in the corresponding through holes, the L-plate is fixedly connected to the corresponding force-bearing piece, and the clamping piece is fixedly connected to the corresponding L-plate.

[0008] Wherein, the force-bearing member includes a slider and a force-bearing block, the slider is slidably connected to the corresponding guide groove, the force-bearing block is fixedly connected to the slider, the through hole is arranged on the force-bearing block, and the force-bearing block is fixedly connected to the corresponding L-plate.

[0009] Wherein, the rotating assembly includes a displacement unit, a second motor, a driving gear, a driven gear A and a rotating member, the rotating member is rotatably connected to the frame, the welding head is arranged on the rotating member, the driven gear A is fixedly connected to the rotating member, the displacement unit is used to drive the second motor to move, the output end of the second motor is fixedly connected to the driving gear, and the driving gear is meshed with the driven gear A.

[0010] Wherein, the displacement unit includes a second cylinder and a slide plate, the slide plate is slidably connected to the frame, and the second motor is installed on the slide plate, the second cylinder is installed on the frame, and the output end of the second cylinder is fixedly connected to the slide plate.

[0011] Wherein, the sliding member comprises a protrusion and a frame body, the protrusion is slidably connected to the sliding groove, and the frame body is fixedly connected to the protrusion.

[0012] Among them, the automatic welding device of the generator stator also includes a support rod, a driven gear B, a transmission assembly and a screw rod, the screw rod is rotatably connected to the frame body, and the screw rod is threadedly matched with the protrusion, the support rod is rotatably connected to the frame body, the transmission assembly is arranged between the support rod and the screw rod, and the driven gear B is fixedly connected to the support rod.

[0013] Wherein, the transmission assembly includes a driving wheel, a driven wheel and a belt, the driving wheel and the driven wheel are fixedly connected to the support rod and the screw rod respectively, and the belt is arranged between the driving wheel and the driven wheel.

[0014] The present invention also provides an automatic welding method for a generator stator, using the automatic welding device for the generator stator as described above. The following steps are involved: First, the first motor drives the support member to rotate to a specified position, and the support member drives the clamping assembly to rotate to the workpiece through the T-plate; The workpiece is clamped by the clamping assembly, and after the clamping is completed, the first motor reverses to indirectly drive the workpiece to rotate and be in the same straight line with the welding head; The sliding member slides in the slide groove so that the part of the workpiece to be welded is located at the welding head; Starting the rotating assembly to drive the welding head to rotate and perform welding processing on the workpiece; After welding is completed, the first motor drives the support member to rotate to a specified position, thereby indirectly driving the workpiece to move, and the clamping assembly no longer clamps the workpiece to complete the unloading.

[0015] The automatic welding device and method of a generator stator of the present invention, when used specifically, firstly drives the support member to rotate to a specified position through the first motor, and the support member drives the clamping assembly to rotate to the workpiece through the T-plate, and then the workpiece is clamped by the clamping assembly. After the clamping is completed, the first motor reverses and indirectly drives the workpiece to rotate and to be in the same straight line with the welding head, the sliding member slides in the slide groove so that the workpiece to be welded is located at the welding head, and the rotating assembly is started to drive the welding head to rotate to perform welding processing on the workpiece. After the welding is completed, the first motor drives the support member to rotate to the specified position, indirectly drives the workpiece to move, and the clamping assembly no longer clamps the workpiece to complete the unloading. In this way, the technical problem that it is inconvenient to load and unload the generator stator in the prior art and manual operation is required, which leads to high labor costs and high labor intensity. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0017] Figure 1 It is a schematic structural diagram of the first embodiment of the present invention.

[0018] Figure 2 It is a front view of the first embodiment of the present invention.

[0019] Figure 3 It is a partial structural diagram of the first embodiment of the present invention.

[0020] Figure 4 The present invention Figure 2 AA line structural section view.

[0021] Figure 5 It is a schematic structural diagram of the second embodiment of the present invention.

[0022] Figure 6 It is a schematic structural diagram of the third embodiment of the present invention.

[0023] 101-frame, 102-welding head, 103-first motor, 104-support, 105-T-plate, 106-first cylinder, 107-connecting member, 108-holding rod, 109-L plate, 110-clamping member, 111-slider, 112-force block, 113-second motor, 114-driving gear, 115-driven gear A, 116-rotating member, 117-second cylinder, 118-slide plate, 119-bump, 120-frame, 121-slide groove, 122-guide groove, 201-support rod, 202-driven gear B, 203-screw, 204-driving wheel, 205-driven wheel, 206-belt, 301-block, 302-mounting plate, 303-third cylinder, 304-groove. DETAILED DESCRIPTION

[0024] Embodiments of the present invention are described in detail below. Examples of the embodiments are shown in the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, but should not be construed as limiting the present invention.

[0025] The first embodiment of the present application is: See also Figure 1~Figure 4 ,in Figure 1 is a schematic structural diagram of a first embodiment of the present invention, Figure 2 is a front view of a first embodiment of the present invention, Figure 3 is a partial structural diagram of the first embodiment of the present invention, Figure 4 The present invention Figure 2 AA line structural section view.

[0026] The present invention provides an automatic welding device for a generator stator, comprising a frame 101, a welding head 102, a loading and unloading mechanism and a rotating assembly, wherein the loading and unloading mechanism comprises a sliding member, a first motor 103, a supporting member 104, a T-shaped plate 105 and a clamping assembly, wherein the clamping assembly comprises a first cylinder 106, a connecting member 107, two force-bearing members, two abutting rods 108, two L-plates 109 and two clamping members 110, wherein the force-bearing member comprises a sliding block 111 and a force-bearing block 112, wherein the rotating assembly comprises a displacement unit, a second motor 113, a driving gear 114, a driven gear A115 and a rotating member 116, wherein the displacement unit comprises a second cylinder 117 and a sliding plate 118, wherein the sliding member comprises a protrusion 119 and a frame 120, wherein the above-mentioned scheme solves the technical problem that it is inconvenient to load and unload the generator stator in the prior art, and manual operation is required, thereby resulting in high labor cost and high labor intensity.

[0027] According to this specific implementation, the frame 101 is placed at a designated position for support, thereby providing support for the welding process of the generator stator.

[0028] The frame 101 has a slide groove 121, the sliding member is slidably connected to the slide groove 121, the support member 104 is rotatably connected to the sliding member, the first motor 103 is used to drive the support member 104 to rotate, the T-shaped plate 105 is arranged on the support member 104, the clamping assembly is arranged on the T-shaped plate 105, and the rotating assembly is used to drive the welding head 102 to rotate. When it is used specifically, the support member 104 is first driven to rotate to a specified position by the first motor 103, and the support member 104 drives the clamping assembly to rotate to the workpiece through the T-shaped plate 105, and then the workpiece is clamped by the clamping assembly. After completion, the first motor 103 reverses and indirectly drives the workpiece to rotate and is in the same straight line with the welding head 102. The sliding member slides in the slide groove 121 so that the part of the workpiece to be welded is located at the welding head 102. The rotating component is started to drive the welding head 102 to rotate and perform welding on the workpiece. After welding is completed, the first motor 103 drives the support member 104 to rotate to a specified position, indirectly driving the workpiece to move. The clamping component no longer clamps the workpiece to complete the unloading. In this way, the technical problem that it is inconvenient to load and unload the generator stator in the prior art and manual operation is required, which leads to high labor costs and high labor intensity.

[0029] Secondly, the T-shaped plate 105 has two guide grooves 122, the two force-bearing members are slidably connected to the corresponding guide grooves 122, the force-bearing member has a through hole, the first cylinder 106 is installed on the T-shaped plate 105, the output end of the first cylinder 106 is fixedly connected to the connecting member 107, the two abutting rods 108 are fixedly connected to the connecting member 107, and the two abutting rods 108 are respectively placed in the corresponding through holes, and the L plate 109 is fixedly connected to the corresponding force-bearing member. The clamping member 110 is fixedly connected to the corresponding L-plate 109. When clamping the workpiece, the cylinder is started, and the output end of the cylinder drives the connecting member 107 to move. The connecting member 107 drives the two supporting rods 108 to slide in the corresponding through holes respectively. The two supporting rods 108 slide in the two through holes and drive the two force-bearing members to move toward each other. The two force-bearing members drive the two clamping members 110 to clamp the workpiece through the two L-plates 109.

[0030] At the same time, the slider 111 is slidably connected to the corresponding guide groove 122, the force block 112 is fixedly connected to the slider 111, the through hole is arranged on the force block 112, and the force block 112 is fixedly connected to the corresponding L plate 109, and when the supporting rod 108 moves, it drives the force block 112 to move, and the force block 112 drives the slider 111 to slide in the corresponding guide groove 122.

[0031] In addition, the rotating member 116 is rotatably connected to the frame 101, the welding head 102 is disposed on the rotating member 116, the driven gear A115 is fixedly connected to the rotating member 116, the displacement unit is used to drive the second motor 113 to move, the output end of the second motor 113 is fixedly connected to the driving gear 114, and the driving gear 114 is meshed with the driven gear A115; The slide plate 118 is slidably connected to the frame 101, and the second motor 113 is installed on the slide plate 118, the second cylinder 117 is installed on the frame 101, and the output end of the second cylinder 117 is fixedly connected to the slide plate 118, and the slide plate 118 is driven to move by the second cylinder 117, and the slide plate 118 drives the second motor 113 to move, so that the driving gear 114 is engaged with the driven gear A115, and the second motor 113 drives the driven gear A115 to rotate through the driving gear 114, and the driven gear A115 drives the rotating member 116 to rotate, and the rotating member 116 can drive the welding head 102 to rotate.

[0032] Again, the protrusion 119 is slidably connected to the slide groove 121 , and the frame 120 is fixedly connected to the protrusion 119 . The protrusion 119 slides in the slide groove 121 and thus drives the frame 120 to move.

[0033] When using an automatic welding device for a generator stator using the present embodiment, the first motor 103 is first used to drive the support member 104 to rotate to a specified position, and the support member 104 drives the clamping assembly to rotate to the workpiece through the T-plate 105, and then the workpiece is clamped by the clamping assembly. After clamping, the first motor 103 is reversed to indirectly drive the workpiece to rotate and to be in the same straight line with the welding head 102. The sliding member slides in the slide groove 121 so that the workpiece to be welded is disposed at the welding head 102, and the rotating assembly is started to drive the welding head 102 to rotate to perform welding processing on the workpiece. After welding, the first motor 103 drives the support member 104 to rotate to a specified position, indirectly driving the workpiece to move, and the clamping assembly no longer clamps the workpiece to complete the unloading. In this way, the technical problem that it is inconvenient to load and unload the generator stator in the prior art and manual operation is required, which leads to high labor costs and high labor intensity, is solved.

[0034] The second embodiment of the present application is: Based on the first embodiment, please refer to Figure 5 , Figure 5 It is a schematic structural diagram of the second embodiment of the present invention.

[0035] The present invention provides an automatic welding device for a generator stator, which also includes a support rod 201, a driven gear B202, a transmission assembly and a screw rod 203. The transmission assembly includes a driving wheel 204, a driven wheel 205 and a belt 206.

[0036] According to this specific embodiment, the screw rod 203 is rotatably connected to the frame 101, and the screw rod 203 is threadedly matched with the protrusion 119, the support rod 201 is rotatably connected to the frame 101, the transmission assembly is arranged between the support rod 201 and the screw rod 203, the driven gear B202 is fixedly connected to the support rod 201, the output end of the second cylinder 117 drives the slide plate 118 to move, the slide plate 118 drives the second motor 113 to move, and then the second motor 113 drives the driving gear 114 to engage with the driven gear B202, the driven gear B202 drives the support rod 201 to rotate, the support rod 201 drives the screw rod 203 to rotate through the transmission assembly, the screw 203 drives the protrusion 119 to move, and then drives the workpiece to move.

[0037] The driving wheel 204 and the driven wheel 205 are fixedly connected to the support rod 201 and the screw rod 203 respectively, and the belt 206 is arranged between the driving wheel 204 and the driven wheel 205. The rotation of the support rod 201 drives the driving wheel 204 to rotate, and the driving wheel 204 drives the driven wheel 205 to rotate through the belt 206, and the driven wheel 205 drives the screw rod 203 to rotate.

[0038] In an automatic welding device for a generator stator using the present embodiment, the output end of the second cylinder 117 drives the slide plate 118 to move, and the slide plate 118 drives the second motor 113 to move, so that the second motor 113 drives the driving gear 114 to engage with the driven gear B202, and the driven gear B202 drives the support rod 201 to rotate, and the support rod 201 drives the screw rod 203 to rotate through the transmission assembly, and the screw rod 203 drives the protrusion 119 to move, thereby driving the workpiece to move.

[0039] The third embodiment of the present application is: Based on the second embodiment, please refer to Figure 6 , Figure 6 It is a schematic structural diagram of the third embodiment of the present invention.

[0040] The present invention provides an automatic welding device for a generator stator, which also includes a block 301 and a power assembly. The power assembly includes a mounting plate 302 and a third cylinder 303 .

[0041] According to this specific embodiment, the support member 104 has a groove 304, the block 301 is slidably connected to the groove 304, the block 301 is fixedly connected to the T-shaped plate 105, and the power component is used to drive the T-shaped plate 105 to move, and the T-shaped plate 105 is driven to rise and fall by the power component, and the T-shaped plate 105 drives the block 301 to slide in the groove 304, so that the clamping component can be raised and lowered to clamp the workpiece more conveniently.

[0042] Among them, the mounting plate 302 is fixedly connected to the support member 104, the third cylinder 303 is installed on the mounting plate 302, the output end of the third cylinder 303 is fixedly connected to the T-shaped plate 105, the third cylinder 303 is installed on the support member 104 through the mounting plate 302, and the output end of the third cylinder 303 drives the T-shaped plate 105 to rise and fall.

[0043] Using an automatic welding device for a generator stator of this embodiment, the third cylinder 303 is installed on the support member 104 through the mounting plate 302, and the output end of the third cylinder 303 drives the T-plate 105 to rise and fall, and the T-plate 105 drives the block 301 to slide in the groove 304, so that the clamping assembly can be raised and lowered to clamp the workpiece more conveniently.

[0044] The present invention also provides an automatic welding method for a generator stator, using the automatic welding device for the generator stator as described above. The following steps are involved: First, the first motor 103 drives the support member 104 to rotate to a specified position, and the support member 104 drives the clamping assembly to rotate to the workpiece through the T-plate 105; The workpiece is clamped by the clamping assembly. After the clamping is completed, the first motor 103 reverses to indirectly drive the workpiece to rotate and be in the same straight line with the welding head 102; The sliding member slides in the slide groove 121 so that the workpiece to be welded is located at the welding head 102; Starting the rotating assembly to drive the welding head 102 to rotate and perform welding on the workpiece; After welding is completed, the first motor 103 drives the support member 104 to rotate to a specified position, thereby indirectly driving the workpiece to move, and the clamping assembly no longer clamps the workpiece to complete the unloading.

[0045] What is disclosed above is only a preferred embodiment of the present invention, and it certainly cannot be used to limit the scope of rights of the present invention. Ordinary technicians in this field can understand that all or part of the processes of the above embodiment and equivalent changes made according to the claims of the present invention still fall within the scope of the invention.

Claims

1. An automatic welding device for a generator stator, comprising a frame and a welding head, wherein the frame is placed at a designated position for support, and is characterized in that: It also includes loading and unloading mechanisms and rotating components; The loading and unloading mechanism includes a sliding member, a first motor, a support member, a T-shaped plate and a clamping assembly. The frame has a slide groove, the sliding member is slidably connected to the slide groove, the support member is rotatably connected to the sliding member, the first motor is used to drive the support member to rotate, the T-shaped plate is arranged on the support member, the clamping assembly is arranged on the T-shaped plate, and the rotating assembly is used to drive the welding head to rotate.

2. The automatic welding device for a generator stator according to claim 1, characterized in that: The clamping assembly includes a first cylinder, a connecting piece, two force-bearing pieces, two supporting rods, two L-plates and two clamping pieces. The T-plate has two guide grooves. The two force-bearing pieces are slidably connected to the corresponding guide grooves respectively. The force-bearing piece has a through hole. The first cylinder is installed on the T-plate. The output end of the first cylinder is fixedly connected to the connecting piece. The two supporting rods are fixedly connected to the connecting piece, and the two supporting rods are respectively placed in the corresponding through holes. The L-plate is fixedly connected to the corresponding force-bearing piece, and the clamping piece is fixedly connected to the corresponding L-plate.

3. The automatic welding device for a generator stator according to claim 2, characterized in that: The force-bearing member includes a slider and a force-bearing block, the slider is slidably connected to the corresponding guide groove, the force-bearing block is fixedly connected to the slider, the through hole is arranged on the force-bearing block, and the force-bearing block is fixedly connected to the corresponding L-plate.

4. The automatic welding device for a generator stator according to claim 3, characterized in that: The rotating assembly includes a displacement unit, a second motor, a driving gear, a driven gear A and a rotating member, the rotating member is rotatably connected to the frame, the welding head is arranged on the rotating member, the driven gear A is fixedly connected to the rotating member, the displacement unit is used to drive the second motor to move, the output end of the second motor is fixedly connected to the driving gear, and the driving gear is meshed with the driven gear A.

5. The automatic welding device for a generator stator according to claim 4, characterized in that: The displacement unit includes a second cylinder and a slide plate, the slide plate is slidably connected to the frame, and the second motor is mounted on the slide plate, the second cylinder is mounted on the frame, and the output end of the second cylinder is fixedly connected to the slide plate.

6. The automatic welding device for a generator stator according to claim 5, characterized in that: The sliding member comprises a protrusion and a frame body, wherein the protrusion is slidably connected to the sliding groove, and the frame body is fixedly connected to the protrusion.

7. The automatic welding device for a generator stator according to claim 6, characterized in that: The automatic welding device for the generator stator also includes a support rod, a driven gear B, a transmission assembly and a screw rod. The screw rod is rotatably connected to the frame body, and the screw rod is threadedly engaged with the protrusion. The support rod is rotatably connected to the frame body, the transmission assembly is arranged between the support rod and the screw rod, and the driven gear B is fixedly connected to the support rod.

8. The automatic welding device for a generator stator according to claim 7, characterized in that: The transmission assembly comprises a driving wheel, a driven wheel and a belt. The driving wheel and the driven wheel are fixedly connected to the support rod and the screw rod respectively, and the belt is arranged between the driving wheel and the driven wheel.

9. An automatic welding method for a generator stator, using the automatic welding device for a generator stator as claimed in claim 8, It is characterized in that The following steps are involved: First, the first motor drives the support member to rotate to a specified position, and the support member drives the clamping assembly to rotate to the workpiece through the T-plate; The workpiece is clamped by the clamping assembly, and after the clamping is completed, the first motor reverses to indirectly drive the workpiece to rotate and be in the same straight line with the welding head; The sliding member slides in the slide groove so that the part of the workpiece to be welded is located at the welding head; Starting the rotating assembly to drive the welding head to rotate and perform welding processing on the workpiece; After welding is completed, the first motor drives the support member to rotate to a specified position, thereby indirectly driving the workpiece to move, and the clamping assembly no longer clamps the workpiece to complete the unloading.

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