CN217749822U - Rotor spot welding self-holding rotary device - Google Patents
Rotor spot welding self-holding rotary device Download PDFInfo
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- CN217749822U CN217749822U CN202221354947.9U CN202221354947U CN217749822U CN 217749822 U CN217749822 U CN 217749822U CN 202221354947 U CN202221354947 U CN 202221354947U CN 217749822 U CN217749822 U CN 217749822U
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- chuck
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- spot welding
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Abstract
The utility model relates to a rotor spot welding self-holding rotary device, it includes: slip table mounting panel sets up the headstock of one side on the slip table mounting panel, the mounting through-hole has been seted up on the headstock, sets up the cylinder fixed plate of opposite side on the slip table mounting panel sets up the taut cylinder at the cylinder fixed plate back, the surface of cylinder fixed plate is stretched out to the push rod of taut cylinder, sets up the inside first bearing of mounting through-hole, with the sandwich axle sleeve that the inner circle of first bearing cup jointed, the top setting of sandwich axle sleeve is in the mounting through-hole, the inside chuck that is used for pressing from both sides tightly or unclamp the electric motor rotor axle center that has cup jointed of sandwich axle sleeve's top opening part. The utility model discloses a rotor spot welding self-holding rotary device improves the existing installation and debugging problem that presss from both sides tight rotary device, reduction in production cost simultaneously.
Description
Technical Field
The utility model relates to a rotor spot welding self-holding rotary device belongs to electric motor rotor processingequipment field.
Background
The rotor of an electric machine is colloquially said to be the rotating part of the electric machine. In the manufacturing process of the motor rotor, spot welding operation needs to be carried out on a plurality of surfaces of the motor rotor. In the spot welding equipment for the motor rotor of the prior manufacturer, the clamping part for clamping the motor rotor has a complex structure, needs complex debugging and is manufactured with great cost. In addition, the existing clamping structure is complex, so that the clamping device is not beneficial to being maintained by a manufacturer or being replaced by a new clamping head for processing.
SUMMERY OF THE UTILITY MODEL
The utility model provides a rotor spot welding self-holding rotary device aims at solving one of the technical problem that exists among the prior art at least.
The technical scheme of the utility model for a rotor spot welding self-holding rotary device, it includes: slip table mounting panel sets up the headstock of one side on the slip table mounting panel, the mounting through-hole has been seted up on the headstock, the setting is in the cylinder fixed plate of opposite side on the slip table mounting panel sets up the taut cylinder at the cylinder fixed plate back, the surface of cylinder fixed plate is stretched out to the push rod of taut cylinder, sets up the inside first bearing of mounting through-hole, with the sandwich axle sleeve that the inner circle of first bearing cup jointed, the top of sandwich axle sleeve sets up in the mounting through-hole, the inside chuck that is used for pressing from both sides tight or loosen motor rotor axle center that has cup jointed of top opening part of sandwich axle sleeve, the collet chuck pull rod has been cup jointed at the middle part of sandwich axle sleeve, the terminal fixed connection of collet chuck pull rod and chuck, the end-to-end connection of collet chuck pull rod has the outer lane of second bearing, a connecting axle is connected to the inner circle of second bearing, the outside of connecting axle is connected with the push rod of taut cylinder through the connecting plate, cup joints the outside synchronous pulley of sandwich axle sleeve, synchronous pulley is connected with a servo motor's power end transmission.
Further, still include: the ejection mechanism comprises an ejection cylinder, an ejector rod connected with a push rod of the ejection cylinder, and a positioning connecting rod arranged on the back face of the cylinder fixing plate, wherein the tail end of the positioning connecting rod is connected with an adjusting cylinder seat, the ejection cylinder is arranged on the outer side face of the ejection cylinder, and the ejector rod sequentially penetrates through the cylinder fixing plate, the connecting shaft, the sandwich shaft sleeve and a middle opening of the chuck so as to allow the front end of the ejector rod to push out the axis of the motor rotor to be separated from the chuck.
Furthermore, the front end and the rear end of the mounting through hole are respectively sleeved with a first bearing, the sandwich shaft sleeve is sequentially sleeved with a pair of first bearings, and the front side surface of the spindle platform is mutually covered and matched with the surfaces of the first bearings through a bearing cover.
Furthermore, the upper side and the lower side of the back of the air cylinder fixing plate are respectively provided with a tensioning air cylinder which synchronously acts, and push rods of the tensioning air cylinders are respectively fixedly connected with the upper side and the lower side of the connecting plate.
Furthermore, a plurality of notches are circumferentially arranged at intervals at the opening of the chuck, the head of the chuck is gradually narrowed from front to back, the shape of the head of the sandwich shaft sleeve is matched with that of the head of the chuck, and when the chuck moves from front to back on the sandwich shaft sleeve, the opening of the chuck is gradually reduced so as to clamp the axis of the motor rotor; when the chuck displaces from back to front in the sandwich shaft sleeve, the opening of the chuck is gradually enlarged to loosen the axis of the motor rotor.
Further, the spindle boss is fixedly connected with the cylinder fixing plate through a support rod.
Furthermore, the synchronous belt wheel is in transmission connection with a synchronous belt wheel on the servo motor through a belt.
The beneficial effects of the utility model are as follows.
1. The shaft center of the motor rotor is inserted into an opening of the chuck, the push rod of the tensioning cylinder retracts, the push rod pulls the connecting plate to move backwards, the chuck is finally pulled to move backwards, and the shaft center of the motor rotor is clamped by the chuck in the process of moving backwards; then the servo motor rotates, and the synchronous belt pulley is driven to rotate to link the sandwich shaft sleeve, so that the motor rotor on the chuck is finally driven to rotate, and the spot welding device can perform accurate spot welding operation on the surface of the rotating motor rotor; the device improves the installation and debugging problems of the existing clamping and rotating device, and simultaneously reduces the production cost.
2. After the spot welding device finishes welding operation, the servo motor stops rotating, the piston rod of the tensioning cylinder extends out, the chuck is loosened, then the push rod of the material ejecting cylinder drives the ejector rod to eject the motor rotor, and the clamping and rotating device has the function of automatically pushing materials.
Drawings
Fig. 1 is a general schematic diagram of a rotor spot welding self-clamping rotary device according to an embodiment of the present invention.
Fig. 2 is a cross-sectional view of a rotor spot welding self-clamping rotary device according to an embodiment of the present invention.
Fig. 3 is an exploded view of a sandwich axle sleeve and collet according to an embodiment of the present invention.
Fig. 4 is a detailed schematic view of a spindle head according to an embodiment of the present invention.
Detailed Description
The conception, specific structure and technical effects of the present invention will be described clearly and completely with reference to the accompanying drawings and embodiments, so as to fully understand the objects, aspects and effects of the present invention. It should be noted that, in the present application, the embodiments and features of the embodiments may be combined with each other without conflict.
It should be noted that, unless otherwise specified, when a feature is referred to as being "fixed" or "connected" to another feature, it may be directly fixed or connected to the other feature or indirectly fixed or connected to the other feature. Furthermore, the description of the upper, lower, left, right, top, bottom, etc. used in the present invention is only relative to the mutual positional relationship of the components of the present invention in the drawings.
Furthermore, unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any combination of one or more of the associated listed items.
It will be understood that, although the terms first, second, third, etc. may be used herein to describe various elements, these elements should not be limited by these terms. These terms are only used to distinguish one type of element from another. For example, a first element could be termed a second element, and, similarly, a second element could be termed a first element, without departing from the scope of the present disclosure.
Referring to fig. 1-4, in some embodiments, the present invention discloses a rotor spot welding self-clamping rotating device, comprising:
referring to fig. 1 in conjunction with the slide table mounting plate 10 of fig. 2, a spindle stock 20 is provided on one side of the slide table mounting plate 10. Referring to fig. 4, the headstock 20 is provided with a mounting through hole 21.
Referring to fig. 1 and 2, a cylinder fixing plate 30 is disposed on the other side of the sliding table mounting plate 10, a tensioning cylinder 40 is disposed on the back of the cylinder fixing plate 30, a push rod of the tensioning cylinder 40 extends out of the surface of the cylinder fixing plate 30, and a first bearing 50 is disposed inside the mounting through hole 21.
Referring to fig. 1 in conjunction with fig. 2, a sandwich shaft sleeve 51 is sleeved with the inner race of the first bearing 50, and the start end of the sandwich shaft sleeve 51 is disposed in the mounting through hole 21. A clamping head 52 for clamping or loosening the axle center of the motor rotor is sleeved inside the opening of the starting end of the sandwich shaft sleeve 51. A collet pull rod 53 is sleeved in the middle of the sandwich shaft sleeve 51, and the starting end of the collet pull rod 53 is fixedly connected with the tail end of the chuck 52. The tail end of the collet pull rod 53 is connected with the outer ring of a second bearing 54, the inner ring of the second bearing 54 is connected with a connecting shaft 55, the outer side of the connecting shaft 55 is connected with the push rod of the tensioning cylinder 40 through a connecting plate 56, a synchronous belt pulley 57 sleeved outside the sandwich shaft sleeve 51 is sleeved, and the synchronous belt pulley 57 is in transmission connection with the power end of a servo motor 58.
Referring to fig. 1 to 3, the specific structure of the chuck is as follows: a plurality of notches 521 are circumferentially arranged at intervals at the opening of the chuck 52, the head of the chuck 52 is gradually narrowed from front to back, and the shape of the head of the sandwich shaft sleeve 51 is matched with that of the head of the chuck 52. When the chuck 52 is displaced from front to back in the sandwich shaft sleeve 51, the opening of the chuck 52 is gradually reduced to clamp the shaft center of the motor rotor; when the chuck 52 is displaced from the rear to the front in the sandwich shaft sleeve 51, the opening of the chuck 52 is gradually enlarged to release the axial center of the motor rotor. The chuck is simple in structure, the clamping and the loosening of the axis of the motor rotor are realized through the deformation of the opening of the chuck, and when the chuck has a problem, the assembly connection between the chuck and the sandwich shaft sleeve can be conveniently released, so that a new chuck can be conveniently replaced,
The shaft center of the motor rotor is inserted into the opening of the chuck, the push rod of the tensioning cylinder retracts, the push rod pulls the connecting plate to retreat, the chuck is finally pulled to move backwards, and the shaft center of the motor rotor is clamped by the chuck in the process of moving backwards; then the servo motor rotates, the synchronous belt wheel is driven to rotate, the sandwich shaft sleeve is linked, and finally the motor rotor on the chuck is driven to rotate, so that the spot welding device can perform accurate spot welding operation on the surface of the rotating motor rotor.
Referring to fig. 1 in conjunction with fig. 2, the material ejecting mechanism includes an ejecting cylinder 61 and an ejector rod 62 connected to a push rod of the ejecting cylinder 61. And a positioning connecting rod 31 arranged on the back surface of the cylinder fixing plate 30, wherein the tail end of the positioning connecting rod 31 is connected with an adjusting cylinder seat 32. The material ejecting cylinder 61 is arranged on the outer side surface of the material ejecting cylinder 61, and the ejector rod 62 sequentially penetrates through the cylinder fixing plate 30, the connecting shaft 55, the sandwich shaft sleeve 51 and the middle opening of the chuck 52, so as to allow the front end of the ejector rod 62 to push the axis of the motor rotor out to be separated from the chuck 52.
After the spot welding device finishes welding operation, the servo motor stops rotating, the piston rod of the tensioning cylinder extends out, the chuck is loosened, then the push rod of the material ejecting cylinder drives the ejector rod to eject the motor rotor, and the clamping and rotating device has the function of automatically pushing materials.
Referring to fig. 2, the front end and the rear end of the mounting through hole 21 are respectively sleeved with a first bearing 50, the sandwich shaft sleeve 51 is sequentially sleeved with a pair of first bearings 50, and the front side surface of the spindle stock 20 is further installed in a mutually covering fit with the surface of the first bearing 50 through the bearing cover 22. The pair of first bearings 50 is more stable in rotation in cooperation with the sandwich shaft sleeve 51, and the sandwich shaft sleeve 51 is not easily eccentric.
With reference to fig. 2, the pull cylinders 40 are provided on the upper and lower sides of the rear surface of the cylinder fixing plate 30 to be synchronously operated, and the push rods of the pair of pull cylinders 40 are fixedly connected to the upper and lower sides of the connecting plate 56, respectively. The push rods of the tensioning cylinders 40 output stable retraction force, so that the chuck can stably clamp the axis of the motor rotor.
Referring to fig. 1, the spindle stock 20 and the cylinder fixing plate 30 are fixedly connected to each other by a support rod 70. The parts operating between the headstock 20 and the cylinder fixing plate 30 are operated more stably.
Referring to fig. 1, the synchronous pulley 57 is in transmission connection with the synchronous pulley 57 on the servo motor 58 through a belt 80. The belt is simple and stable as a transmission mechanism, and the manufacturing cost of the device is further reduced.
The foregoing is merely a preferred embodiment of the present invention, and the present invention is not limited to the above embodiment, as long as the technical effects of the present invention are achieved by the same means, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present disclosure should be included within the scope of the present disclosure. All belong to the protection scope of the utility model. The technical solution and/or the embodiments of the invention may be subject to various modifications and variations within the scope of the invention.
Claims (7)
1. A rotor spot welding self-holding rotary device, characterized in that includes:
a sliding table mounting plate (10),
a spindle boss (20) arranged on one side of the sliding table mounting plate (10), a mounting through hole (21) is formed in the spindle boss (20),
a cylinder fixing plate (30) arranged on the other side of the sliding table mounting plate (10),
a tensioning cylinder (40) arranged on the back surface of the cylinder fixing plate (30), wherein a push rod of the tensioning cylinder (40) extends out of the surface of the cylinder fixing plate (30),
a first bearing (50) disposed inside the mounting through-hole (21),
the clamping device comprises a sandwich shaft sleeve (51) sleeved with an inner ring of the first bearing (50), wherein the starting end of the sandwich shaft sleeve (51) is arranged in an installation through hole (21), a chuck (52) used for clamping or loosening the axis of a motor rotor is sleeved inside an opening at the starting end of the sandwich shaft sleeve (51), a collet pull rod (53) is sleeved in the middle of the sandwich shaft sleeve (51), the starting end of the collet pull rod (53) is fixedly connected with the tail end of the chuck (52), the tail end of the collet pull rod (53) is connected with an outer ring of a second bearing (54), the inner ring of the second bearing (54) is connected with a connecting shaft (55), the outer side of the connecting shaft (55) is connected with a push rod of a tensioning cylinder (40) through a connecting plate (56), a synchronous belt pulley (57) sleeved outside the sandwich shaft sleeve (51), and the synchronous belt pulley (57) is in transmission connection with a power end of a servo motor (58).
2. The rotor spot welding self-clamping rotary device according to claim 1, further comprising:
the ejection mechanism comprises an ejection cylinder (61) and an ejector rod (62) connected with a push rod of the ejection cylinder (61),
a positioning connecting rod (31) arranged on the back surface of the cylinder fixing plate (30), the tail end of the positioning connecting rod (31) is connected with an adjusting cylinder seat (32),
the ejection cylinder (61) is arranged on the outer side face of the ejection cylinder (61), and the ejector rod (62) sequentially penetrates through the cylinder fixing plate (30), the connecting shaft (55), the sandwich shaft sleeve (51) and the middle opening of the chuck (52) to allow the front end of the ejector rod (62) to push out the axis of the motor rotor to be separated from the chuck (52).
3. The rotor spot welding self-clamping rotation device of claim 1,
the front end and the rear end of the mounting through hole (21) are respectively sleeved with a first bearing (50), the sandwich shaft sleeve (51) is sequentially sleeved with a pair of first bearings (50), and the front side surface of the main shaft table (20) is mutually covered and matched with the surface of the first bearings (50) through a bearing cover (22).
4. The rotor spot welding self-clamping rotary device according to claim 1,
the upper side and the lower side of the back of the air cylinder fixing plate (30) are respectively provided with a tensioning air cylinder (40) which synchronously acts, and push rods of the tensioning air cylinders (40) are respectively fixedly connected with the upper side and the lower side of the connecting plate (56).
5. The rotor spot welding self-clamping rotary device according to claim 1,
a plurality of notches (521) are circumferentially arranged at intervals at the opening of the chuck (52), the head of the chuck (52) is gradually narrowed from front to back, the shape of the head of the sandwich shaft sleeve (51) is matched with that of the head of the chuck (52),
when the clamping head (52) is displaced from front to back on the sandwich shaft sleeve (51), the opening of the clamping head (52) is gradually reduced so as to clamp the shaft center of the motor rotor; when the chuck (52) is displaced from the rear to the front in the sandwich shaft sleeve (51), the opening of the chuck (52) is gradually enlarged to loosen the shaft center of the motor rotor.
6. The rotor spot welding self-clamping rotation device of claim 1,
the spindle table (20) and the cylinder fixing plate (30) are fixedly connected through a support rod (70).
7. The rotor spot welding self-clamping rotary device according to claim 1,
the synchronous belt wheel (57) is in transmission connection with the synchronous belt wheel (57) on the servo motor (58) through a belt (80).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221354947.9U CN217749822U (en) | 2022-06-01 | 2022-06-01 | Rotor spot welding self-holding rotary device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221354947.9U CN217749822U (en) | 2022-06-01 | 2022-06-01 | Rotor spot welding self-holding rotary device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217749822U true CN217749822U (en) | 2022-11-08 |
Family
ID=83889078
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221354947.9U Active CN217749822U (en) | 2022-06-01 | 2022-06-01 | Rotor spot welding self-holding rotary device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217749822U (en) |
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2022
- 2022-06-01 CN CN202221354947.9U patent/CN217749822U/en active Active
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