CN219052938U - Mechanical main shaft for numerical control machine tool - Google Patents
Mechanical main shaft for numerical control machine tool Download PDFInfo
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- CN219052938U CN219052938U CN202223599236.0U CN202223599236U CN219052938U CN 219052938 U CN219052938 U CN 219052938U CN 202223599236 U CN202223599236 U CN 202223599236U CN 219052938 U CN219052938 U CN 219052938U
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- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
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Abstract
The utility model relates to the technical field of numerical control machine tools, in particular to a mechanical main shaft for a numerical control machine tool, which comprises a main shaft, a main shaft box, a pull rod, a clamping jaw driving mechanism, clamping jaws, an elastic chuck assembly, an encoder mechanism, a damping mechanism and a control mechanism, wherein the main shaft is arranged on the main shaft; the pull rod is arranged in the main shaft in a reciprocating manner in the horizontal direction; the clamping jaw is in transmission connection with the clamping jaw driving mechanism; the elastic chuck component is arranged at the end part of the pull rod; the damping mechanism is arranged in the spindle box. According to the utility model, on one hand, the clamping jaw driving mechanism, the clamping jaw, the pull rod and the elastic chuck assembly are arranged, so that the clamping and locking reliability of parts is ensured, the rotation operation of the mechanical main shaft is more stable and reliable and the processing quality of a workpiece is ensured, and on the other hand, the vibration reducing mechanism is arranged, so that the operation of the synchronous belt driving mechanism, the clamping jaw and the elastic chuck assembly is more stable and reliable, the influence of vibration on the operation of the mechanical main shaft is reduced, the operation reliability of the mechanical main shaft is further improved, and the service life of the mechanical main shaft is prolonged.
Description
Technical Field
The utility model relates to the technical field of numerical control machine tools, in particular to a mechanical main shaft for a numerical control machine tool.
Background
Most of numerical control metal cutting machine tools such as a numerical control gear hobbing machine, a numerical control milling machine, a machining center and the like are provided with a machine tool main shaft, and the machine main shaft is one of key parts of the numerical control machine tool and is used for installing a workpiece, and the working stability of the numerical control metal cutting machine tool has direct influence on the machining quality of the workpiece. The existing mechanical main shaft for the numerical control machine tool mostly adopts a belt or a gear for transmission, and generally generates larger vibration and noise during working, so that the overall working performance of the mechanical main shaft is reduced after long-time working, the processing quality of a workpiece is influenced, and the service life of the mechanical main shaft is also influenced.
Disclosure of Invention
Aiming at the technical problems, the mechanical main shaft for the numerical control machine tool provided by the utility model solves the problems that the mechanical main shaft for the numerical control machine tool in the prior art usually generates larger vibration and noise during working, the overall working performance of the mechanical main shaft is reduced after long-time working, the processing quality of a workpiece is influenced, and the service life of the mechanical main shaft is also influenced.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:
the utility model provides a mechanical main shaft for a numerical control machine tool, which comprises a main shaft motor, a synchronous belt transmission mechanism, a main shaft box, a pull rod, a clamping jaw driving mechanism, clamping jaws, an elastic chuck assembly, an encoder mechanism, a damping mechanism and a control mechanism, wherein the main shaft motor is connected with the main shaft box through a transmission mechanism; the power output end of the spindle motor is in transmission connection with the synchronous belt transmission mechanism; the power output end of the synchronous belt transmission mechanism is in transmission connection with the main shaft; the main shaft is rotatably arranged in the main shaft box; the pull rod is arranged in the main shaft in a reciprocating manner in the horizontal direction; the clamping jaw driving mechanism is arranged on the spindle box; the clamping jaw is in transmission connection with the clamping jaw driving mechanism, the clamping jaw is arranged in the main shaft, and the clamping jaw is arranged on the periphery of the pull rod in a surrounding manner; the elastic chuck assembly is arranged at the end part of the pull rod; the encoder mechanism is arranged on the spindle box; the damping mechanism is arranged in the spindle box; the control mechanism is electrically connected with the spindle motor, the clamping jaw driving mechanism and the encoder mechanism.
Further, the device also comprises angular contact ball bearings arranged in pairs; one end of the encoder mechanism and one end of the elastic chuck assembly are respectively provided with the pair of angular contact ball bearings, and the angular contact ball bearings are sleeved on the main shaft.
Further, the clamping jaw driving mechanism comprises a driving cylinder and a swinging fork assembly; the driving cylinder is arranged at the spindle box, a cylinder rod of the driving cylinder is in transmission connection with one end of the swinging fork assembly, and the other end of the swinging fork assembly is in transmission connection with the clamping jaw.
Further, the clamping jaw driving mechanism further comprises a cylinder cover plate and a cylinder buffer plate; the cylinder cover plate is arranged on the main shaft box and covers the upper part of the driving cylinder; the cylinder buffer plate is arranged on the driving cylinder.
Further, the elastic chuck assembly comprises a push sleeve, a reset spring, a spring chuck and a nut; the push sleeve is sleeved at the end part of the pull rod; the reset spring is sleeved on the pull rod and is arranged at one end of the push sleeve close to the main shaft; the spring chuck is arranged at the other end of the push sleeve far away from the main shaft; the nut is arranged at the end part of the push sleeve.
Further, the synchronous belt transmission mechanism comprises a motor belt pulley, a main shaft belt pulley and a synchronous belt; the motor belt wheel is in transmission connection with the power output end of the spindle motor; the main shaft belt wheel is in transmission connection with the motor belt wheel through the synchronous belt, and the main shaft belt wheel is sleeved on the main shaft.
Further, the synchronous belt transmission mechanism also comprises an expansion connecting sleeve, a belt wheel gland and a locking ring; the expansion connecting sleeve is sleeved on the motor shaft of the spindle motor and is arranged between the motor belt wheel and the motor shaft of the spindle motor; the belt wheel gland is sleeved on a motor shaft of the spindle motor and is arranged on the end face of the motor belt wheel; the locking ring is arranged at the end part of the main shaft belt wheel and sleeved on the main shaft.
Further, the encoder mechanism includes an encoder wheel, a base plate, an encoder readhead, and an encoder readhead pin; the coding wheel is sleeved on the main shaft and is in transmission connection with the synchronous belt transmission mechanism; the base plate is sleeved on the main shaft and is arranged at the end part of the coding wheel; the encoder readhead is disposed on the substrate by the encoder readhead pins.
The technical scheme has the following advantages or beneficial effects:
the utility model provides a mechanical main shaft for a numerical control machine tool, which comprises a main shaft motor, a synchronous belt transmission mechanism, a main shaft box, a pull rod, a clamping jaw driving mechanism, clamping jaws, an elastic chuck assembly, an encoder mechanism, a damping mechanism and a control mechanism, wherein the main shaft motor is connected with the main shaft box through a transmission mechanism; the power output end of the spindle motor is in transmission connection with the synchronous belt transmission mechanism; the power output end of the synchronous belt transmission mechanism is in transmission connection with the main shaft; the main shaft is rotatably arranged in the main shaft box; the pull rod is arranged in the main shaft in a reciprocating manner in the horizontal direction; the clamping jaw driving mechanism is arranged on the spindle box; the clamping jaw is in transmission connection with the clamping jaw driving mechanism, the clamping jaw is arranged in the main shaft, and the clamping jaw is arranged on the periphery of the pull rod in a surrounding manner; the elastic chuck component is arranged at the end part of the pull rod; the encoder mechanism is arranged on the spindle box; the damping mechanism is arranged in the spindle box; the control mechanism is electrically connected with the spindle motor, the clamping jaw driving mechanism and the encoder mechanism. According to the mechanical main shaft for the numerical control machine tool, on one hand, the clamping jaw driving mechanism, the clamping jaw, the pull rod and the elastic chuck assembly are arranged, so that the clamping and locking reliability of parts is ensured, and the stable machining operation of the parts is ensured, so that the rotating operation of the mechanical main shaft is more stable and reliable and the machining quality of a workpiece is further ensured, and on the other hand, the vibration reducing mechanism is arranged, so that the synchronous belt driving mechanism, the clamping jaw and the elastic chuck assembly work more stably and reliably, the influence of vibration on the work of the mechanical main shaft is reduced, the noise generated during the work is smaller, the work reliability of the mechanical main shaft is further improved, and the service life of the mechanical main shaft is prolonged.
Drawings
The utility model and its features, aspects and advantages will become more apparent from the detailed description of non-limiting embodiments with reference to the following drawings. Like numbers refer to like parts throughout. The drawings are not intended to be drawn to scale, emphasis instead being placed upon illustrating the principles of the utility model.
Fig. 1 is a front view of a mechanical spindle for a numerical control machine tool provided in embodiment 1 of the present utility model;
fig. 2 is a left side view of a mechanical spindle for a numerical control machine tool provided in embodiment 1 of the present utility model;
fig. 3 is a right side view of a mechanical spindle for a numerical control machine tool provided in embodiment 1 of the present utility model;
fig. 4 is a rear view of a mechanical spindle for a numerical control machine tool provided in embodiment 1 of the present utility model;
fig. 5 is a bottom view of a mechanical spindle for a numerical control machine tool according to embodiment 1 of the present utility model;
FIG. 6 is a cross-sectional view of FIG. 5 at D-D;
FIG. 7 is a cross-sectional view of FIG. 5 at E-E;
fig. 8 is a cross-sectional view of fig. 1 at H-H.
Detailed Description
It should be noted that, in the case of no conflict, the embodiments and features in the embodiments may be combined with each other. It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments in accordance with the present application.
It will be understood that the terms "comprises" and/or "comprising," when used in this specification, specify the presence of stated features, steps, operations, devices, components, and/or groups thereof.
The terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," "outer," and the like, as used herein, refer to an orientation or positional relationship based on that shown in the drawings, merely for convenience of description and to simplify the description, and do not denote or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus are not to be construed as limiting the utility model.
The terms "first," "second," "third," and the like, as used herein, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Unless specifically stated or limited otherwise, the terms "mounted," "connected," and "coupled" should be construed broadly, as if they were fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
The following description of the technical solutions according to the embodiments of the present utility model refers to the accompanying drawings, which are included to illustrate only some embodiments of the utility model, and not all embodiments. Accordingly, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be made by a person skilled in the art without making any inventive effort, are intended to fall within the scope of the present utility model.
Example 1:
most of numerical control metal cutting machine tools such as a numerical control gear hobbing machine, a numerical control milling machine, a machining center and the like are provided with a machine tool main shaft, and the machine main shaft is one of key parts of the numerical control machine tool and is used for installing a workpiece, and the working stability of the numerical control metal cutting machine tool has direct influence on the machining quality of the workpiece. The existing mechanical main shaft for the numerical control machine tool mostly adopts a belt or a gear for transmission, and generally generates larger vibration and noise during working, so that the overall working performance of the mechanical main shaft is reduced after long-time working, the processing quality of a workpiece is influenced, and the service life of the mechanical main shaft is also influenced.
In order to solve the above technical problems, an embodiment 1 of the present utility model provides a mechanical spindle for a numerically-controlled machine tool, as shown in fig. 1 to 8, including a spindle motor 1, a synchronous belt transmission mechanism 2, a spindle 3, a spindle box 4, a pull rod 5, a jaw driving mechanism 6, a jaw 7, an elastic chuck assembly 8, an encoder mechanism 9, a damping mechanism and a control mechanism; the power output end of the spindle motor 1 is in transmission connection with the synchronous belt transmission mechanism 2; the power output end of the synchronous belt transmission mechanism 2 is in transmission connection with the main shaft 3; the spindle 3 is rotatably arranged in the spindle box 4; the pull rod 5 is reciprocatingly arranged in the main shaft 3 in the horizontal direction; the clamping jaw driving mechanism 6 is arranged on the spindle box 4; the clamping jaw 7 is in transmission connection with the clamping jaw driving mechanism 6, the clamping jaw 7 is arranged in the main shaft 3, and the clamping jaw 7 is arranged on the periphery of the pull rod 5 in a surrounding manner; the elastic chuck assembly 8 is arranged at the end part of the pull rod 5; the encoder mechanism 9 is arranged on the spindle box 4; the damping mechanism is arranged in the spindle box 4; the control mechanism is electrically connected with the spindle motor 1, the clamping jaw driving mechanism 6 and the encoder mechanism 9. According to the mechanical main shaft for the numerical control machine tool, when the mechanical main shaft works, the main shaft motor 1 rotates to drive the synchronous belt transmission mechanism 2 to drive the main shaft 3 to rotate, and when a workpiece is clamped, the clamping jaw driving mechanism 6 works to drive the clamping jaw 7 to clamp and open, so that the clamping jaw 7 can clamp and release the pull rod 5, and the clamping of the elastic chuck assembly 8 to the workpiece is realized. According to the mechanical main shaft for the numerical control machine tool, on one hand, the clamping jaw driving mechanism 6, the clamping jaw 7, the pull rod 5 and the elastic chuck assembly 8 are arranged, so that the clamping and locking reliability of parts is ensured, and the stable machining operation of the parts is ensured, so that the rotating operation of the mechanical main shaft is more stable, reliable and efficient, the machining quality of a workpiece is further ensured, and on the other hand, the vibration reducing mechanism is arranged, so that the synchronous belt driving mechanism 2, the clamping jaw 7 and the elastic chuck assembly 8 work more stably and reliably, the influence of vibration on the work of the mechanical main shaft is reduced, the noise generated during the work is smaller, the working reliability of the mechanical main shaft is further improved, and the service life of the mechanical main shaft is prolonged. Therefore, the mechanical main shaft for the numerical control machine tool provided by the utility model has the advantages of reasonable structural design, easiness in realization and higher practical value, and effectively solves the problems that the mechanical main shaft for the numerical control machine tool in the prior art usually generates larger vibration and noise during working, the whole working performance of the mechanical main shaft is reduced after long-time working, the processing quality of a workpiece is influenced, and the service life of the mechanical main shaft is also influenced.
Further, the angular contact ball bearings 10 are arranged in pairs; one end of the encoder mechanism 9 and one end of the elastic chuck assembly 8 are respectively provided with an angular contact ball bearing 10 which is arranged in pairs, and the angular contact ball bearings 10 are sleeved on the main shaft 3. Because the main shaft 3 can bear larger axial and radial loads in the rotating process, the angular contact ball bearing 10 is arranged, so that the rotating operation of the main shaft 3 is more stable and reliable, and the service life of the main shaft is further prolonged.
Further, the jaw drive mechanism 6 includes a drive cylinder 61 and a wobble fork assembly 62; the driving cylinder 61 is arranged at the spindle box 4, a cylinder rod of the driving cylinder 61 is in transmission connection with one end of the swinging fork assembly 62, and the other end of the swinging fork assembly 62 is in transmission connection with the clamping jaw 7. Through setting up actuating cylinder 61 and pendulum fork subassembly 62, actuating cylinder 61 work drives pendulum fork subassembly 62 action, and pendulum fork subassembly 62 then drives clamping jaw 7 and realizes the action of pressing from both sides getting and releasing pull rod 5 respectively to realize that the clamp of work piece is got and is released, its structure is comparatively simple, reasonable in design, and the work adaptability of cylinder is strong, has further improved the operational reliability of mechanical main shaft.
Further, the jaw drive mechanism 6 further includes a cylinder cover 63 and a cylinder buffer 64; the cylinder cover plate 63 is arranged on the spindle box 4 and covers the driving cylinder 61; the cylinder buffer plate 64 is provided on the driving cylinder 61. By arranging the cylinder cover plate 63 and the cylinder buffer plate 64, the telescopic action of the driving cylinder 61 can be buffered and damped, and meanwhile, the driving cylinder 61 can be protected, so that the working stability of the mechanical main shaft can be further improved, and the working noise can be reduced.
Further, the collet assembly 8 includes a push sleeve 81, a return spring 82, a collet 83, and a nut 84; the push sleeve 81 is sleeved at the end part of the pull rod 5; the reset spring 82 is sleeved on the pull rod 5, and the reset spring 82 is arranged at one end of the push sleeve 81 close to the main shaft 3; the spring chuck 83 is arranged at the other end of the push sleeve 81 away from the main shaft 3; a nut 84 is provided at the end of the push sleeve 81. Through setting up push sleeve 81, reset spring 82, collet 83 and nut 84, collet 83 department is used for installing all kinds of anchor clamps to match the work piece that the clamping corresponds, reset spring 82 then plays the effect that lets pull rod 5 in time return, thereby guarantees the normal work of mechanical main shaft.
Further, the timing belt transmission mechanism 2 includes a motor pulley 21, a spindle pulley 22, and a timing belt 23; the motor belt pulley 21 is in transmission connection with the power output end of the spindle motor 1; the main shaft belt wheel 22 is in transmission connection with the motor belt wheel 21 through a synchronous belt 23, and the main shaft belt wheel 22 is sleeved on the main shaft 3. Further, the synchronous belt transmission mechanism 2 further comprises an expansion connecting sleeve 24, a belt pulley gland 25 and a locking ring 26; the expansion connecting sleeve 24 is sleeved on the motor shaft of the spindle motor 1 and is arranged between the motor belt pulley 21 and the motor shaft of the spindle motor 1; the belt wheel gland 25 is sleeved on the motor shaft of the spindle motor 1 and is arranged on the end face of the motor belt wheel 21; the lock ring 26 is provided at an end of the spindle pulley 22 and is fitted over the spindle 3. Through setting up motor pulley 21, main shaft pulley 22 and hold-in range 23, main shaft motor 1 work drives motor pulley 21 and rotates, and main shaft pulley 22 then realizes synchronous rotation through motor pulley 21 and hold-in range 23 to drive main shaft 3 and rotate the work, the tensioning force of holding-up sleeve 24, band pulley gland 25 and locking ring 26 when then having guaranteed hold-in range 23 during operation, further guarantee the operational reliability of mechanical main shaft.
Further, the encoder mechanism 9 includes an encoder wheel 91, a base plate 92, an encoder readhead 93, and an encoder readhead pin 94; the coding wheel 91 is sleeved on the main shaft 3 and is in transmission connection with the synchronous belt transmission mechanism 2; the base plate 92 is sleeved on the main shaft 3 and is arranged at the end part of the coding wheel 91; the encoder readhead 93 is disposed on the substrate 92 by encoder readhead pins 94. By providing the encoder wheel 91, the base plate 92, the encoder head 93, and the encoder head pin 94, the relationship and the instruction of the number of pulses of the spindle motor 1 corresponding to the rotation speed of the spindle 3 can be given, thereby ensuring the normal operation of the mechanical spindle.
In summary, according to the mechanical spindle for the numerical control machine tool provided by the utility model, on one hand, the clamping jaw driving mechanism, the clamping jaw, the pull rod and the elastic chuck assembly are arranged, so that the clamping and locking reliability of parts is ensured, and the stable machining operation of the mechanical spindle is ensured, so that the rotation operation of the mechanical spindle is more stable, reliable and efficient, the machining quality of a workpiece is further ensured, and on the other hand, the vibration reducing mechanism is arranged, so that the operation of the synchronous belt driving mechanism, the clamping jaw and the elastic chuck assembly is more stable and reliable, the influence of vibration on the operation of the mechanical spindle is reduced, the noise generated during the operation is smaller, the operation reliability of the mechanical spindle is further improved, and the service life of the mechanical spindle is prolonged.
The foregoing description is only of the preferred embodiments of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structural changes made by the present utility model and the accompanying drawings, or direct or indirect application in other related technical fields, are included in the scope of the present utility model.
Claims (8)
1. The mechanical main shaft for the numerical control machine tool is characterized by comprising a main shaft motor, a synchronous belt transmission mechanism, a main shaft box, a pull rod, a clamping jaw driving mechanism, clamping jaws, an elastic chuck assembly, an encoder mechanism, a damping mechanism and a control mechanism;
the power output end of the spindle motor is in transmission connection with the synchronous belt transmission mechanism; the power output end of the synchronous belt transmission mechanism is in transmission connection with the main shaft; the main shaft is rotatably arranged in the main shaft box; the pull rod is arranged in the main shaft in a reciprocating manner in the horizontal direction; the clamping jaw driving mechanism is arranged on the spindle box; the clamping jaw is in transmission connection with the clamping jaw driving mechanism, the clamping jaw is arranged in the main shaft, and the clamping jaw is arranged on the periphery of the pull rod in a surrounding manner; the elastic chuck assembly is arranged at the end part of the pull rod; the encoder mechanism is arranged on the spindle box; the damping mechanism is arranged in the spindle box; the control mechanism is electrically connected with the spindle motor, the clamping jaw driving mechanism and the encoder mechanism.
2. The mechanical spindle for a numerical control machine of claim 1, wherein the jaw drive mechanism includes a drive cylinder and a wobble fork assembly; the driving cylinder is arranged at the spindle box, a cylinder rod of the driving cylinder is in transmission connection with one end of the swinging fork assembly, and the other end of the swinging fork assembly is in transmission connection with the clamping jaw.
3. The mechanical spindle for a numerical control machine tool according to claim 2, wherein the jaw driving mechanism further comprises a cylinder cover plate and a cylinder buffer plate; the cylinder cover plate is arranged on the main shaft box and covers the upper part of the driving cylinder; the cylinder buffer plate is arranged on the driving cylinder.
4. The mechanical spindle for a numerical control machine tool according to claim 1, wherein the collet assembly comprises a push sleeve, a return spring, a collet and a nut; the push sleeve is sleeved at the end part of the pull rod; the reset spring is sleeved on the pull rod and is arranged at one end of the push sleeve close to the main shaft; the spring chuck is arranged at the other end of the push sleeve far away from the main shaft; the nut is arranged at the end part of the push sleeve.
5. The mechanical spindle for a numerical control machine tool according to claim 1, wherein the timing belt transmission mechanism includes a motor pulley, a spindle pulley, and a timing belt; the motor belt wheel is in transmission connection with the power output end of the spindle motor; the main shaft belt wheel is in transmission connection with the motor belt wheel through the synchronous belt, and the main shaft belt wheel is sleeved on the main shaft.
6. The mechanical spindle for a numerical control machine tool according to claim 5, wherein the synchronous belt transmission mechanism further comprises an expansion connecting sleeve, a pulley gland and a locking ring; the expansion connecting sleeve is sleeved on the motor shaft of the spindle motor and is arranged between the motor belt wheel and the motor shaft of the spindle motor; the belt wheel gland is sleeved on a motor shaft of the spindle motor and is arranged on the end face of the motor belt wheel; the locking ring is arranged at the end part of the main shaft belt wheel and sleeved on the main shaft.
7. The mechanical spindle for a numerical control machine tool according to claim 1, wherein the encoder mechanism includes an encoder wheel, a base plate, an encoder readhead, and an encoder readhead pin; the coding wheel is sleeved on the main shaft and is in transmission connection with the synchronous belt transmission mechanism; the base plate is sleeved on the main shaft and is arranged at the end part of the coding wheel; the encoder readhead is disposed on the substrate by the encoder readhead pins.
8. The mechanical spindle for a numerical control machine tool according to claim 1, further comprising angular contact ball bearings provided in pairs; one end of the encoder mechanism and one end of the elastic chuck assembly are respectively provided with the pair of angular contact ball bearings, and the angular contact ball bearings are sleeved on the main shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223599236.0U CN219052938U (en) | 2022-12-30 | 2022-12-30 | Mechanical main shaft for numerical control machine tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223599236.0U CN219052938U (en) | 2022-12-30 | 2022-12-30 | Mechanical main shaft for numerical control machine tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219052938U true CN219052938U (en) | 2023-05-23 |
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ID=86371982
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223599236.0U Active CN219052938U (en) | 2022-12-30 | 2022-12-30 | Mechanical main shaft for numerical control machine tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219052938U (en) |
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2022
- 2022-12-30 CN CN202223599236.0U patent/CN219052938U/en active Active
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