CN210305817U - Armature core clamping device and lathe - Google Patents
Armature core clamping device and lathe Download PDFInfo
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- CN210305817U CN210305817U CN201920855647.0U CN201920855647U CN210305817U CN 210305817 U CN210305817 U CN 210305817U CN 201920855647 U CN201920855647 U CN 201920855647U CN 210305817 U CN210305817 U CN 210305817U
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- armature core
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- clamping device
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Abstract
The utility model belongs to the technical field of the lathe, especially, relate to an armature core clamping device and lathe, armature core clamping device includes: the device comprises a frame, a main shaft mechanism, a positioning mechanism and a driving mechanism; the main shaft mechanism and the positioning mechanism are arranged on the rack side by side; the spindle mechanism comprises a spindle box and a collet chuck mechanism, the base is arranged on the rack in a sliding mode, the spindle box is arranged on the base, a hollow spindle capable of rotating relative to the spindle box is transversely installed in the spindle box, and the collet chuck mechanism is arranged in the hollow spindle and is overlapped with the axis of the hollow spindle; because the axis of the spring chuck mechanism coincides with the axis of the hollow main shaft, the axis of the clamped armature core coincides with the axis of the hollow main shaft, and the rotation center line of the armature core keeps coinciding with the main shaft when the armature core rotates, so that the coaxiality of the excircle of the commutator and the armature shaft in the machining process is ensured.
Description
Technical Field
The utility model belongs to the technical field of the lathe, especially, relate to an armature core clamping device and lathe.
Background
The turning of the micro-motor armature commutator is a key process for manufacturing the armature, and the precision of the surface roughness of the commutator, the coaxiality of the excircle of the commutator and an armature shaft, the roundness of the outer surface of the commutator and the like directly influences the noise, the service life and the operation reliability of the motor. In the prior art, after an armature is clamped manually, the surface of a commutator is processed. However, the clamping position is inevitably subject to error in the manual operation process of clamping the armature, so that the accuracy of the coaxiality between the outer circle of the commutator and the armature shaft is influenced in the armature machining process.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an armature core clamping device and lathe aims at solving and carries out the processing formula to the armature among the prior art, adopts the manual clamping operation to lead to processing inaccurate technical problem to the armature.
In order to achieve the above object, an embodiment of the present invention provides an armature core clamping device, including: the device comprises a frame, a main shaft mechanism, a positioning mechanism and a driving mechanism; the main shaft mechanism and the positioning mechanism are arranged on the rack side by side; the spindle mechanism comprises a spindle box, a rotary driving mechanism, a spring chuck mechanism and a base, the base is arranged on the rack in a sliding mode, the spindle box is arranged on the base, a hollow spindle capable of rotating relative to the spindle box is transversely installed in the spindle box, and the rotary driving mechanism is arranged on the spindle box, connected with the tail end of the hollow spindle and used for driving the hollow spindle to rotate; the spring chuck mechanism is arranged in the hollow main shaft and is superposed with the axis of the hollow main shaft; the positioning mechanism comprises a tailstock and an apex, the tailstock is arranged on the rack in a sliding mode, the apex is arranged on the tailstock and can rotate relative to the tailstock, and the axis of the apex is overlapped with the axis of the hollow main shaft; the driving mechanism is arranged on the frame and connected with the base and the tailstock so as to drive the base and the tailstock to approach or move away from each other.
Optionally, the collet mechanism comprises a collet, a clamping seat, a hollow draw bar and a telescoping assembly; the clamping seat is arranged at the front end of the hollow main shaft, the spring chuck is arranged in the clamping seat in a sliding mode, one end of the spring chuck extends out of the clamping seat, the hollow pull rod is connected with the tail end of the spring chuck, and the telescopic assembly is connected with the hollow pull rod and used for driving the spring chuck to slide in the clamping seat.
Optionally, a movable cavity is arranged in the clamping seat, and an extrusion inclined plane is arranged on the inner wall of the movable cavity; the spring chuck is arranged in the movable cavity, a clamping part used for clamping the armature is arranged at the front end of the spring chuck, and a contraction inclined plane matched with the extrusion inclined plane is arranged on the outer wall of the spring chuck.
Optionally, a plurality of notches radially penetrating through the spring chuck are uniformly distributed on the clamping portion, and the notches divide the clamping portion into three parts.
Optionally, the telescopic assembly comprises an air cylinder and a sliding plate, the air cylinder is arranged on one side of the base, the sliding plate is rotatably connected with the tail end of the hollow pull rod, and the sliding plate is connected with a movable rod of the air cylinder.
Optionally, one side of the base is further provided with a plurality of guide pillars, and the sliding plate is slidably disposed on the plurality of guide pillars through guide sleeves.
Optionally, the tail end of each guide pillar is provided with a limiting plate, and the limiting plate is provided with a clearance hole for avoiding the tail end of the hollow pull rod.
Optionally, the end of the hollow pull rod is rotatably connected with an air faucet for cleaning the hollow spindle, the end of the telescopic assembly is provided with a limiting seat, and a limiting notch for limiting the air faucet is arranged in the limiting seat.
Optionally, a support frame for placing an armature core is arranged on the machine frame, and the support frame is arranged between the main shaft mechanism and the positioning mechanism.
The embodiment of the utility model provides an above-mentioned one or more technical scheme among the armature core clamping device have one of following technological effect at least: when the armature core rotates, the rotation center line of the armature core is kept coincident with the main axis, the coaxiality of the outer circle of the commutator and the armature shaft in the machining process is ensured, and the problem that the position deviation occurs in the manual process of clamping the armature shaft and the coaxiality of the outer circle of the commutator and the armature shaft is different is solved.
The utility model also provides a lathe, including foretell armature core clamping device.
The embodiment of the utility model provides an above-mentioned one or more technical scheme in the lathe have one of following technological effect at least: due to the adoption of the armature core clamping device, when a large number of armature cores are processed, the materials can be accurately fed, and when the armature cores rotate, the rotating center lines of the armature cores are ensured to be superposed with the axis of the hollow main shaft, so that the coaxiality of the armature core processing is ensured.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive labor.
Fig. 1 is a schematic structural diagram of an armature core clamping device according to an embodiment of the present invention.
Fig. 2 is a schematic structural diagram of a spindle mechanism according to an embodiment of the present invention.
Fig. 3 is a right side view of fig. 2.
Fig. 4 is a sectional view taken along line a-a in fig. 3.
Fig. 5 is an enlarged view taken along B in fig. 4.
Wherein, in the figures, the respective reference numerals:
10-frame 20-main shaft mechanism 21-main shaft box
22-rotary driving mechanism 23-collet chuck mechanism 231-collet chuck
2311 clamping part 232 clamping seat 2321 movable cavity
2312 contraction inclined surface 2322 extrusion inclined surface 233 hollow pull rod
234, telescopic assembly 2341, air cylinder 2342 and sliding plate
235-air tap 236-limit seat 24-base
241-guide column 242-limit plate 25-hollow main shaft
26-top shaft 30-positioning mechanism 31-tailstock
32-centre 40-drive mechanism 50-support frame.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below by referring to the drawings are exemplary and intended to explain the embodiments of the present invention and are not to be construed as limiting the present invention.
In the description of the embodiments of the present invention, it should be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings, which is only for convenience in describing the embodiments of the present invention and simplifying the description, and do not indicate or imply that the device or element so indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the embodiments of the present invention, "a plurality" means two or more unless specifically limited otherwise.
In the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly, e.g., as fixed or detachable connections or as an integral part; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the embodiments of the present invention can be understood by those skilled in the art according to specific situations.
In an embodiment of the present invention, as shown in fig. 1 to 5, there is provided an armature core clamping device including: the machine frame 10, the main shaft mechanism 20, the positioning mechanism 30 and the driving mechanism 40; the main shaft mechanism 20 and the positioning mechanism 30 are arranged on the frame 10 side by side; the spindle mechanism 20 comprises a spindle box 21, a rotary driving mechanism 22, a collet chuck mechanism 23 and a base 24, the base 24 is slidably arranged on the frame 10, the spindle box 21 is arranged on the base 24, a hollow spindle 25 capable of rotating relative to the spindle box 21 is transversely arranged in the spindle box 21, and the rotary driving mechanism 22 is arranged on the spindle box 21, connected with the tail end of the hollow spindle 25 and used for driving the hollow spindle 25 to rotate; the collet mechanism 23 is disposed within the hollow spindle 25 and coincides with the axis of the hollow spindle 25.
The positioning mechanism 30 comprises a tailstock 31 and an apex 32, the tailstock 31 is slidably arranged on the frame 10, the apex 32 is arranged on the tailstock 31, the apex 32 can rotate relative to the tailstock 31, and the axis of the apex 32 is coincident with the axis of the hollow spindle 25;
the driving mechanism 40 is disposed on the frame 10 and connected to the base 24 or the tailstock 31 for driving the base 24 and the tailstock 31 to move toward or away from each other.
Specifically, during operation, one end of an armature core is placed on the collet chuck mechanism 23, after the collet chuck mechanism 23 is driven to clamp the armature core, the driving mechanism 40 drives the spindle mechanism 20 and the positioning mechanism 30 to move relatively, the positioning mechanism 30 positions the other end of the armature core, the rotary driving mechanism 22 drives the hollow spindle 25 to rotate to drive the armature core to rotate, and due to the fact that the collet chuck mechanism 23 is overlapped with the axis of the hollow spindle 25, the axis of the clamped armature core is overlapped with the axis of the hollow spindle 25, when the armature core rotates, the rotation center line of the armature core is overlapped with the main axis, coaxiality of an excircle of a commutator and an armature shaft in a machining process is ensured, position deviation is avoided in the process of manually clamping the armature shaft, and the problem that the excircle of the commutator and the armature shaft are not coaxial can be avoided.
In another embodiment of the present invention, please refer to fig. 1 and 2, the rotation driving mechanism 22 includes a motor, a driving wheel, a driven wheel and a belt, the motor is disposed on the base 24, the driving wheel is disposed on the output shaft of the motor, the driven wheel is disposed on the hollow spindle 25, and the belt connects the driving wheel and the driven wheel.
In another embodiment of the present invention, referring to fig. 2 to 4, the collet chuck mechanism 23 includes a collet chuck 231, a clamping seat 232, a hollow pull rod 233 and a telescopic assembly 234; the clamping seat 232 is disposed at the front end of the hollow spindle 25, the collet 231 is slidably disposed in the clamping seat 232, and one end of the collet 231 extends out of the clamping seat 232, the hollow pull rod 233 is connected with the tail end of the collet 231, and the telescopic assembly 234 is connected with the hollow pull rod 233 and is used for driving the collet 231 to slide in the clamping seat 232. Specifically, the telescopic assembly 234 drives the hollow pull rod 233 to move, so as to drive the collet chuck 231 to move, and under the cooperation with the clamping seat 232, one end of the collet chuck 231 extending out of the clamping seat 232 is folded, so as to clamp the armature core, the telescopic assembly 234 drives the collet chuck 231 to move relatively only along the same straight line of the hollow main shaft 25, so as to prevent the eccentric condition of the collet chuck during rotation, and the armature core is conveniently mounted and clamped through the telescopic assembly 234, so that the operation is simple, the mounting position is not required to be manually adjusted, and the machining error is reduced.
In another embodiment of the present invention, with reference to fig. 3 and fig. 4, a movable cavity 2321 is disposed in the clamping seat 232, and an inner wall of the movable cavity 2321 is provided with an extrusion inclined surface 2322; the collet chuck 231 is arranged in the movable cavity 2321, a clamping portion 2311 for clamping the armature is arranged at the front end of the collet chuck 231, and a contraction inclined surface 2312 matched with the extrusion inclined surface 2322 is arranged on the outer wall of the collet chuck 231. Specifically, when the telescopic assembly 234 drives the hollow pull rod 233, the collet chuck 231 moves into the clamping seat 232, and the pressing inclined surface 2322 on the movable cavity 2321 of the clamping seat 232 cooperates with the contracting inclined surface 2312 on the collet chuck to contract the clamping portion 2311 of the collet chuck 231 to clamp the armature, so that the clamping speed is high.
In another embodiment of the present invention, referring to fig. 3 and 5, a plurality of notches radially penetrating through the collet 231 are uniformly distributed on the clamping portion 2311, and the notches divide the clamping portion 2311 into three parts. Specifically, the clamping progress can be further improved by the three clamping portions, and the axis of the armature core and the axis of the spindle are kept coincident when the armature core is mounted on the collet 231, so that the machining precision is ensured.
In another embodiment of the present invention, referring to fig. 4 and 5, the collet 231 is further provided with a top shaft 26 for abutting against the armature core. Specifically, the top shaft 26 abuts against the armature core, so that the situation that when the armature core is mounted on the collet 231, the mounting position is not right, and subsequent work is influenced is avoided, and the top shaft 26 rotates together with the collet 231, so that the coaxiality of the rotation of the armature core is improved.
In another embodiment of the present invention, referring to fig. 2, the telescopic assembly 234 includes a cylinder 2341 and a sliding plate 2342, the cylinder 2341 is disposed on one side of the base 24, and the sliding plate 2342 is rotatably connected to the end of the hollow pull rod 233 and is connected to the movable rod of the cylinder 2341. Specifically, the movable rod of the cylinder 2341 pushes the sliding plate 2342 to move, so that the hollow pull rod 233 is driven to move, the collet 231 can clamp the armature core, the cylinder 2341 is driven quickly, the speed of clamping the armature core by the collet 231 is guaranteed, and the machining efficiency is improved.
In another embodiment of the present invention, with reference to fig. 2, one side of the base 24 is further provided with a plurality of guide pillars 241, the sliding plate 2342 slides through the guide sleeves to be set at a plurality of positions on the guide pillars 241, the ends of the plurality of guide pillars 241 are all provided with the limiting plate 242, the limiting plate 242 is provided with an avoiding hole for avoiding the end of the pull rod. Specifically, the sliding plate 2342 slides along the guide post 241, and under the quick driving of the air cylinder 2341, the moving stability of the sliding plate 2342 is improved, and the hollow pull rod 233 is ensured to make a relative linear motion along the hollow main shaft 25, so that the axis of the collet and the axis of the hollow main shaft 25 are kept coincident. The limiting plate 242 prevents the air cylinder 2341 from driving the sliding plate 2342 to move excessively, and the operation stability of the equipment is improved.
In another embodiment of the present invention, referring to fig. 2 and 4, the end of the hollow pull rod 233 is rotatably connected with an air nozzle 235 for cleaning the hollow spindle 25, the end of the telescopic assembly 234 is provided with a limiting seat 236, and a limiting notch for limiting the air nozzle 235 is provided in the limiting seat 236. Specifically, the one end of mesopore pull rod is rotated and is provided with air cock 235, the external air supply of air cock 235, when external air supply with in the time of cavity pull rod 233 intercommunication, the air supply passes through cavity pull rod 233 arrives cavity main shaft 25, with the piece clean up in the cavity main shaft 25, avoid the piece to be in lead to in the time of cavity main shaft 25 pivoted wearing and tearing appear, influence processing. The air nozzle 235 is limited by the limiting seat 236, and the air nozzle 235 is prevented from rotating along with the hollow pull rod 233.
In another embodiment of the present invention, referring to fig. 1, a support frame 50 for placing an armature core is disposed on the frame 10, and the support frame 50 is disposed between the spindle mechanism 20 and the positioning mechanism 30. Specifically, the support frame 50 is used for supporting the armature core, placing the armature core on the support frame 50, and driving the spindle mechanism 20 and the positioning mechanism 30, so that the armature core can be clamped quickly without manually mounting the armature core on the collet 231.
The embodiment of the utility model provides a lathe is still provided, including foretell armature core clamping device.
Specifically, due to the adoption of the armature core clamping device, when a large number of armature cores are processed, the materials can be accurately fed, and when the armature cores rotate, the rotating center lines of the armature cores are enabled to be coincident with the axis of the hollow main shaft 25, so that the coaxiality of the armature core processing is ensured.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. An armature core clamping device, comprising: the device comprises a frame, a main shaft mechanism, a positioning mechanism and a driving mechanism; the main shaft mechanism and the positioning mechanism are arranged on the rack side by side;
the spindle mechanism comprises a spindle box, a rotary driving mechanism, a spring chuck mechanism and a base, the base is arranged on the rack in a sliding mode, the spindle box is arranged on the base, a hollow spindle capable of rotating relative to the spindle box is transversely installed in the spindle box, and the rotary driving mechanism is arranged on the spindle box, connected with the tail end of the hollow spindle and used for driving the hollow spindle to rotate; the spring chuck mechanism is arranged in the hollow main shaft and is superposed with the axis of the hollow main shaft;
the positioning mechanism comprises a tailstock and an apex, the tailstock is arranged on the rack in a sliding mode, the apex is arranged on the tailstock and can rotate relative to the tailstock, and the axis of the apex is overlapped with the axis of the hollow main shaft;
the driving mechanism is arranged on the frame and connected with the base and the tailstock so as to drive the base and the tailstock to approach or move away from each other.
2. The armature core clamping device of claim 1, wherein the collet mechanism comprises a collet, a clamping seat, a hollow tie rod, and a telescoping assembly; the clamping seat is arranged at the front end of the hollow main shaft, the spring chuck is arranged in the clamping seat in a sliding mode, one end of the spring chuck extends out of the clamping seat, the hollow pull rod is connected with the tail end of the spring chuck, and the telescopic assembly is connected with the hollow pull rod and used for driving the spring chuck to slide in the clamping seat.
3. The armature core clamping device according to claim 2, wherein a movable cavity is arranged in the clamping seat, and the inner wall of the movable cavity is provided with a squeezing inclined surface; the spring chuck is arranged in the movable cavity, a clamping part used for clamping the armature is arranged at the front end of the spring chuck, and a contraction inclined plane matched with the extrusion inclined plane is arranged on the outer wall of the spring chuck.
4. The armature core clamping device according to claim 3, wherein a plurality of notches are uniformly distributed on the clamping portion and radially penetrate through the spring collet, and the notches divide the clamping portion into three parts.
5. The armature core clamping device according to claim 2, wherein the telescopic assembly comprises a cylinder and a sliding plate, the cylinder is arranged on one side of the base, the sliding plate is rotatably connected with the tail end of the hollow pull rod, and the sliding plate is connected with a movable rod of the cylinder.
6. The armature core clamping device according to claim 5, wherein a plurality of guide posts are further provided on one side of the base, and the sliding plate is slidably provided on the plurality of guide posts through guide sleeves.
7. The armature core clamping device according to claim 6, wherein a limiting plate is disposed at a distal end of each guide post, and a clearance hole is disposed in the limiting plate to avoid a distal end of the hollow pull rod.
8. The armature core clamping device according to claim 2, wherein the end of the hollow pull rod is rotatably connected with an air nozzle for cleaning the hollow main shaft, the end of the telescopic assembly is provided with a limiting seat, and a limiting notch for limiting the air nozzle is arranged in the limiting seat.
9. The armature core clamping device according to any one of claims 1 to 8, wherein a support frame for placing the armature core is arranged on the frame, and the support frame is arranged between the main shaft mechanism and the positioning mechanism.
10. A lathe comprising the armature core clamping device according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920855647.0U CN210305817U (en) | 2019-06-06 | 2019-06-06 | Armature core clamping device and lathe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920855647.0U CN210305817U (en) | 2019-06-06 | 2019-06-06 | Armature core clamping device and lathe |
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| Publication Number | Publication Date |
|---|---|
| CN210305817U true CN210305817U (en) | 2020-04-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920855647.0U Active CN210305817U (en) | 2019-06-06 | 2019-06-06 | Armature core clamping device and lathe |
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| CN (1) | CN210305817U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113199277A (en) * | 2021-04-15 | 2021-08-03 | 黄石东贝电机有限公司 | Positioning tool for finish machining of outer circle of motor rotor |
-
2019
- 2019-06-06 CN CN201920855647.0U patent/CN210305817U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113199277A (en) * | 2021-04-15 | 2021-08-03 | 黄石东贝电机有限公司 | Positioning tool for finish machining of outer circle of motor rotor |
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