CN214351113U - Cutter high-speed feeding transmission mechanism for numerical control machine tool - Google Patents
Cutter high-speed feeding transmission mechanism for numerical control machine tool Download PDFInfo
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- CN214351113U CN214351113U CN202120292415.6U CN202120292415U CN214351113U CN 214351113 U CN214351113 U CN 214351113U CN 202120292415 U CN202120292415 U CN 202120292415U CN 214351113 U CN214351113 U CN 214351113U
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- lead screw
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- control machine
- mounting seat
- numerical control
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Abstract
The utility model discloses a high-speed feeding transmission mechanism for a cutter of a numerical control machine tool, which comprises a motor, a first lead screw, a second lead screw, a lead screw nut and a slide rail; the motor is arranged on the motor mounting seat and is connected with the first lead screw through a coupler; the first lead screw is in threaded connection with the lead screw nut, and a first gear is mounted at one end of the first lead screw; the second screw rod is opposite to the first screw rod in rotation direction, has the same thread pitch and is in threaded connection with the screw rod nut; a second gear which is meshed with the first gear and has the same number of teeth is arranged on the second lead screw; both ends of the first lead screw and the second lead screw are arranged on the bearing mounting seat through bearings; the screw nut is connected with the slide rail in a sliding way; the lower end face of the screw nut is provided with a sliding groove matched with the sliding rail. The utility model discloses a cooperation of parallel lead screw structure and slide rail spout is used for screw nut removes more steadily, and the direction is accurate, effectively improves the machining precision.
Description
Technical Field
The utility model relates to a digit control machine tool technical field especially relates to a cutter high-speed feed drive mechanism for digit control machine tool.
Background
The numerical control machine tool is a digital control machine tool for short, and is an automatic machine tool provided with a program control system. The control system is capable of logically processing and decoding a program defined by a control code or other symbolic instructions, represented by coded numbers, which are input to the numerical control device via the information carrier. After operation, the numerical control device sends out various control signals to control the action of the machine tool, and the parts are automatically machined according to the shape and the size required by the drawing.
The cutter feeding transmission assembly is an indispensable assembly in the numerical control machine tool. The existing cutter feeding transmission assembly adopts a single-shaft ball screw nut structure, and the movement of a screw nut is not stable enough, so that the processing precision is influenced.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art, the utility model provides a high-speed drive mechanism that feeds of cutter for digit control machine tool effectively solves current cutter and feeds drive assembly screw nut and remove not steady enough, influences the problem of machining precision.
The utility model provides a technical scheme as follows:
a high-speed cutter feeding transmission mechanism for a numerical control machine tool comprises a motor, a first lead screw, a second lead screw, a lead screw nut and a slide rail; the motor is arranged on the motor mounting seat and is connected with the first lead screw through a coupler; the first lead screw is in threaded connection with the lead screw nut, and a first gear is mounted at one end of the first lead screw; the second lead screw is opposite to the first lead screw in rotation direction, has the same thread pitch and is in threaded connection with the lead screw nut; a second gear with the same number of teeth as the first gear is arranged on the second lead screw; both ends of the first lead screw and the second lead screw are arranged on the bearing mounting seat through bearings; the screw nut is connected with the slide rail in a sliding manner; and the lower end surface of the screw nut is provided with a sliding groove matched with the sliding rail.
Further, the motor mounting seat is in an L shape; the bearing mounting seat is fixedly connected with the upper end face of the motor mounting seat.
Furthermore, the slide rail is installed on the upper end face of the motor mounting seat and is located between the two bearing mounting seats.
Furthermore, a plurality of countersunk threaded holes are formed in the slide rail and are fixedly connected with the upper end face of the motor mounting seat through screws.
Further, the sliding groove is in a dovetail shape; the sliding rail comprises a flat-plate-shaped bottom plate and a dovetail-shaped guide rail integrally connected with the flat-plate-shaped bottom plate; the countersunk head threaded hole is formed in the flat-plate-shaped bottom plate.
Furthermore, the slide rail is a linear guide rail, and two sides of the slide rail are provided with trapezoidal grooves; the sliding groove is matched with the sliding rail; the countersunk head threaded hole is formed in the upper end face of the sliding rail.
Furthermore, a plurality of spherical grooves are uniformly formed at the bottom of the trapezoidal groove; steel balls are movably arranged in the spherical grooves; an arc-shaped through groove is formed in the corresponding position of the screw nut; the steel balls are in rolling connection with the spherical grooves and the arc-shaped through grooves.
The utility model discloses possess following beneficial effect:
the utility model discloses simple structure uses through the cooperation of double screw structure and slide rail spout for screw nut removes more steadily, and the direction is accurate, effectively improves the machining precision.
Drawings
FIG. 1 is a front view of embodiment 1;
FIG. 2 is a top view of embodiment 1;
FIG. 3 is a cross-sectional view of a screw nut and a slide rail in embodiment 1;
FIG. 4 is a sectional view of a screw nut and a slide rail in embodiment 2;
fig. 5 is a schematic perspective view of a slide rail according to embodiment 2;
fig. 6 is a schematic perspective view of a screw nut in embodiment 2.
In the figure: 1. a motor; 2. a coupling; 3. a first gear; 4. a second gear; 5. a first lead screw; 6. a second lead screw; 7. a bearing mount; 8. a lead screw nut; 801. a chute; 802. an arc-shaped through groove; 9. a slide rail; 901. dovetail-type guide rails; 902. a flat-plate-shaped bottom plate; 903. countersunk threaded holes; 904. a trapezoidal groove; 905. a spherical groove; 10. a motor mounting seat; 11. and (5) steel balls.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Example 1
As shown in fig. 1-3, a high-speed feeding transmission mechanism for a cutter of a numerical control machine tool comprises a motor 1, a first lead screw 5, a second lead screw 6, a lead screw nut 8 and a slide rail 9; the motor 1 is arranged on the motor mounting seat 10 and is connected with the first lead screw 5 through the coupler 2; the first lead screw 5 is in threaded connection with a lead screw nut 8, and one end of the first lead screw is provided with a first gear 3; the second lead screw 6 is opposite to the first lead screw 5 in rotation direction, has the same thread pitch and is in threaded connection with a lead screw nut 8; a second gear 4 with the same number of teeth as the first gear 3 is arranged on the second lead screw 6; both ends of the first lead screw 5 and the second lead screw 6 are arranged on the bearing mounting base 7 through bearings; the screw nut 8 is connected with the slide rail 9 in a sliding way; the lower end face of the screw nut 8 is provided with a sliding groove 801 matched with the sliding rail 9.
Above-mentioned cutter high-speed feed drive mechanism uses through the cooperation of double lead screw structure and slide rail spout for lead screw nut 8 removes more steadily, and the direction is accurate, effectively improves the machining precision.
Specifically, the motor mounting base 10 is in an L shape; the bearing mounting seat 7 is fixedly connected with the upper end face of the motor mounting seat 10.
Specifically, the slide rail 9 is installed on the upper end surface of the motor installation seat 10 and is located between the two bearing installation seats 7.
Specifically, the slide rail 9 is provided with a plurality of countersunk threaded holes 903, and is fixedly connected to the upper end surface of the motor mounting base 10 through screws.
Specifically, the chute 801 is dovetail-shaped; the slide rail 9 includes a flat plate-like base plate 902 and a dovetail-shaped guide 901 integrally connected to the flat plate-like base plate 902; the countersunk screw hole 903 is formed in the flat plate-like bottom plate 902.
Example 2
As shown in fig. 1, 2, and 4 to 6, a high-speed tool feeding transmission mechanism for a numerical control machine tool is different from that of embodiment 1 only in the structures of a lead screw nut 8 and a slide rail 9, and the rest of the structures are the same.
Specifically, the slide rail 9 is a linear guide rail, and both sides of the linear guide rail are provided with trapezoidal grooves 904; the sliding groove 801 is matched with the sliding rail 9; countersunk threaded holes 903 are formed in the upper end surfaces of the slide rails 9.
Specifically, a plurality of spherical grooves 905 are uniformly arranged at the bottom of the trapezoidal groove 904; a steel ball 11 is movably arranged in the spherical groove 905; an arc-shaped through groove 802 is formed in the corresponding position of the lead screw nut 8; the steel ball 11 is connected with the spherical groove 905 and the arc through groove 802 in a rolling manner.
The utility model discloses the theory of operation:
during operation, the motor 1 is started, the motor 1 drives the first lead screw 5 and the first gear 3 to rotate through the coupler 2, and the second gear 4 rotates in the same and reverse opposite rotating motion with the first gear 3 under the meshing action, so that the second lead screw 6 is driven to rotate. The screw nut 8 translates left and right under the action of the first screw 5 and the second screw 6. Meanwhile, the sliding groove 801 formed in the lead screw nut 8 is matched with the sliding rail 9, so that a guiding effect is achieved. Through the cooperation use of parallel lead screw structure and slide rail spout for screw nut 8 removes more steadily, and the direction is accurate, effectively improves the machining precision. Through steel ball 11 for realize rolling friction between screw nut 8 and the 9 lateral walls of slide rail, effectively reduce frictional force, reduce wearing and tearing and the friction themogenesis, help improving the machining precision.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a cutter high-speed feed drive mechanism for digit control machine tool which characterized in that: comprises a motor (1), a first lead screw (5), a second lead screw (6), a lead screw nut (8) and a slide rail (9); the motor (1) is arranged on the motor mounting seat (10) and is connected with the first lead screw (5) through a coupler (2); the first lead screw (5) is in threaded connection with the lead screw nut (8), and one end of the first lead screw is provided with a first gear (3); the second lead screw (6) and the first lead screw (5) are opposite in rotating direction and same in thread pitch, and are in threaded connection with the lead screw nut (8); a second gear (4) which is meshed with the first gear (3) and has the same number of teeth is arranged on the second lead screw (6); both ends of the first lead screw (5) and the second lead screw (6) are mounted on a bearing mounting seat (7) through bearings; the screw nut (8) is connected with the slide rail (9) in a sliding manner; the lower end face of the screw nut (8) is provided with a sliding groove (801) matched with the sliding rail (9).
2. The high-speed cutter feeding transmission mechanism for the numerical control machine tool according to claim 1, characterized in that: the motor mounting seat (10) is L-shaped; the bearing mounting seat (7) is fixedly connected with the upper end face of the motor mounting seat (10).
3. The high-speed cutter feeding transmission mechanism for the numerical control machine tool as claimed in claim 2, characterized in that: the sliding rail (9) is arranged on the upper end face of the motor mounting seat (10) and is positioned between the two bearing mounting seats (7).
4. The high-speed cutter feeding transmission mechanism for the numerical control machine tool according to claim 3, characterized in that: a plurality of countersunk threaded holes (903) are formed in the sliding rail (9) and are fixedly connected with the upper end face of the motor mounting seat (10) through screws.
5. The high-speed cutter feeding transmission mechanism for the numerical control machine tool as claimed in claim 4, wherein: the chute (801) is dovetail shaped; the sliding rail (9) comprises a flat-plate-shaped bottom plate (902) and a dovetail-shaped guide rail (901) integrally connected with the flat-plate-shaped bottom plate (902); the countersunk head threaded hole (903) is formed in the flat-plate-shaped bottom plate (902).
6. The high-speed cutter feeding transmission mechanism for the numerical control machine tool as claimed in claim 4, wherein: the slide rail (9) is a linear guide rail, and trapezoidal grooves (904) are formed in two sides of the slide rail; the sliding groove (801) is matched with the sliding rail (9); the countersunk head threaded hole (903) is formed in the upper end face of the sliding rail (9).
7. The high-speed cutter feeding transmission mechanism for the numerical control machine tool as claimed in claim 6, wherein: a plurality of spherical grooves (905) are uniformly formed at the bottom of the trapezoidal groove (904); a steel ball (11) is movably arranged in the spherical groove (905); an arc-shaped through groove (802) is formed in the corresponding position of the lead screw nut (8); the steel ball (11) is in rolling connection with the spherical groove (905) and the arc-shaped through groove (802).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120292415.6U CN214351113U (en) | 2021-02-02 | 2021-02-02 | Cutter high-speed feeding transmission mechanism for numerical control machine tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120292415.6U CN214351113U (en) | 2021-02-02 | 2021-02-02 | Cutter high-speed feeding transmission mechanism for numerical control machine tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214351113U true CN214351113U (en) | 2021-10-08 |
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ID=77962467
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120292415.6U Active CN214351113U (en) | 2021-02-02 | 2021-02-02 | Cutter high-speed feeding transmission mechanism for numerical control machine tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214351113U (en) |
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2021
- 2021-02-02 CN CN202120292415.6U patent/CN214351113U/en active Active
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Address after: Warehouses 1 and 3, Nantian Electronics, No. 243, Tuoxiang Road, Guolin Community, Luoyang Street Office, Economic Development Zone, Kunming City, Yunnan Province, 650000 Patentee after: Kunming Weizyou Precision Machinery Co.,Ltd. Address before: 650000 Room 301, building 5, Shuian Yuyuan high-rise business office, Luoyang sub district office, Kunming Economic Development Zone, China (Yunnan) pilot Free Trade Zone, Kunming, Yunnan Patentee before: Kunming weiziyou mechanical equipment Co.,Ltd. |