CN215201001U - Double-bearing arrangement numerical control indexing turntable - Google Patents
Double-bearing arrangement numerical control indexing turntable Download PDFInfo
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- CN215201001U CN215201001U CN202121093647.5U CN202121093647U CN215201001U CN 215201001 U CN215201001 U CN 215201001U CN 202121093647 U CN202121093647 U CN 202121093647U CN 215201001 U CN215201001 U CN 215201001U
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- worm wheel
- fixed
- numerical control
- wheel axle
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Abstract
The utility model relates to a numerical control indexing turntable is arranged to double bearing related to numerical control processing equipment technical field, including casing, worm wheel, worm wheel axle, carousel, tapered roller bearing, cylinder assembly, brake block, piston, brake block solid fixed ring, response solid fixed ring, affiliated worm wheel is fixed on the worm wheel axle, and affiliated worm wheel axle is fixed on the casing, worm wheel axle one end is connected with the carousel, tapered roller bearing is connected with the worm wheel axle, cylinder assembly fixes on the casing, the piston is fixed on cylinder assembly, the brake solid fixed ring is connected with the worm wheel axle, the response ring is fixed on the worm wheel axle; the tooth-shaped contact area of the worm gear is changed from the original point contact to the surface contact, the practical service life is prolonged, and the dual bearing arrangement improves the high load and keeps the long-term concentricity.
Description
Technical Field
The utility model relates to a numerical control processing equipment technical field, concretely relates to numerical control graduation revolving stage is arranged to dual bearing.
Background
At present, the numerical control rotary tables on the market are various in types, the adopted mechanism forms are various, the numerical control rotary tables are divided into the following types according to the division form of the numerical control rotary tables and core components,
the numerical control turntable is widely distributed in the market and is a main structural form, the turntable is generally driven and indexed by a servo motor, the worm gear pair rotates, a brake disc is tightly braked, the minimum indexing unit can reach 0.001 degrees, the indexing precision is 15 to 40 degrees, the repetition precision is 4 to 6 degrees, the indexing precision can reach +/-3 degrees after closed-loop control, the repetition positioning precision can reach +/-1 degree or higher, the key part of the turntable is a worm gear pair, because the abrasion is generated after the turntable is used for a period of time, the transmission clearance of the worm gear pair has great influence on the precision and the reliability of the turntable, the clearance of the worm gear and the worm needs to be adjusted regularly, therefore, the matching precision, the durability and the adjustability of the worm gear determine the quality of the turntable, the worm wheel has high requirement on the auxiliary manufacturing level, and has common precision, load-carrying performance and precision maintaining performance.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model aims at providing a numerical control indexing table is arranged to dual bearing who relates to numerical control processing equipment technical field.
The utility model discloses a numerical control graduation revolving stage is arranged to dual bearing, including casing, worm wheel, worm-gear shaft, carousel, tapered roller bearing, cylinder assembly, brake block, piston, the solid fixed ring of brake block, induction ring, the solid fixed ring of response, affiliated worm wheel is fixed on the worm-gear shaft, and affiliated worm-gear shaft is fixed on the casing, worm-gear shaft one end is connected with the carousel, tapered roller bearing is connected with the turbine shaft, the cylinder assembly is fixed on the casing, the piston is fixed on the cylinder assembly, the solid fixed ring of brake block is connected with the worm-gear shaft, the induction ring is fixed on the worm-gear shaft.
Further, still include induction fixed ring, induction fixed ring fixes on the worm-gear axle.
Further, the zero-position switch is further included and fixed on the shell.
Furthermore, the worm wheel comprises a plurality of meshing teeth, the worm wheel is made of copper,
further, the worm is made of alloy steel.
Borrow by above-mentioned scheme, the utility model discloses at least, have following advantage: the tooth-shaped contact area of the worm gear is changed from the original point contact to the surface contact, the practical service life is prolonged, and the dual bearing arrangement improves the high load and keeps the long-term concentricity.
The above description is only an overview of the technical solution of the present invention, and in order to make the technical means of the present invention clearer and can be implemented according to the content of the description, the following detailed description is made with reference to the preferred embodiments of the present invention and accompanying drawings.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate a certain embodiment of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
FIG. 1 is a schematic view of the structure of a numerical control indexing table for double bearing arrangement of the present invention;
fig. 2 is a cross-sectional view of the present invention;
in the figure: 1. a housing; 2. a worm; 3. a worm gear; 4. a turbine shaft; 5. a turntable; 6 tapered roller bearings; 7. a cylinder assembly; 8. a brake pad; 9. a piston; 10. a brake pad fixing ring; 11. an induction loop; 12. an induction fixing ring.
Detailed Description
The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.
Referring to fig. 1 and 2, a dual bearing arrangement numerical control indexing table according to a preferred embodiment of the present invention includes a housing 1, a worm 2, a worm wheel 3, a worm wheel shaft 4, a turntable 5, a tapered roller bearing 6, a cylinder assembly 7, a brake pad 8, a piston 9, a brake pad fixing ring 10, and an induction ring 11; the worm wheel 3 is fixed on the worm wheel shaft 4, the worm wheel shaft 4 is fixed on the shell 1, one end of the worm wheel shaft 4 is connected with the rotating disc 5, the tapered roller bearing 6 is connected with the worm wheel shaft 4, the cylinder component 7 is fixed on the shell 1, the piston 9 is fixed on the cylinder component 7, the brake pad fixing ring 10 is connected with the worm wheel shaft 4, the induction ring 11 is fixed on the worm wheel shaft,
the working principle of the utility model is as follows: when the worm 2 drives the worm wheel 3 to rotate through the motor, wherein the worm wheel 3 material is copper, and the worm 2 material is alloy steel, because the combination of brass and iron is less than other material combination coefficient of friction, transmission torque is bigger. The worm wheel 3 is in interference fit with the worm wheel shaft 4, the inner ring of the tapered roller bearing 6 is in interference fit with the worm wheel shaft 4, the outer ring of the tapered roller bearing 6 is in interference fit with the shell 1, and the tapered roller bearings 6 are arranged and assembled back to back as shown in figure 2, so that the load is improved and the long-term concentricity is kept; during the operation of the rotary table, the air cylinder assembly 7 fixed on the shell 1 stops pushing the brake pad 8 to rub one side of the rotary table 5, and meanwhile, a brake pad fixing ring 10 is arranged at the joint of the air cylinder assembly at the other side and the piston 9 to install the brake pad 8; the rotating position of the rotary table is fed back to the motor through signals between the induction ring 11 fixed on the induction fixing ring 12 and the zero position switch 13, and the rotation and the stop of the rotary table are completed.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (5)
1. The utility model provides a numerical control indexing table is arranged to dual bearing which characterized in that: the device comprises a shell, a worm wheel, a worm wheel shaft, a turntable, a tapered roller bearing, a cylinder assembly, a brake pad, a piston, a brake pad fixing ring, an induction ring and an induction fixing ring, wherein the worm wheel is fixed on the worm wheel shaft, the worm wheel shaft is fixed on the shell, one end of the worm wheel shaft is connected with the turntable, the tapered roller bearing is connected with the turbine shaft, the cylinder assembly is fixed on the shell, the piston is fixed on the cylinder assembly, the brake pad fixing ring is connected with the worm wheel shaft, and the induction ring is fixed on the worm wheel shaft.
2. The double bearing aligning numerical control index table according to claim 1, wherein: the induction fixing ring is fixed on the worm wheel shaft.
3. The double bearing arrangement numerical control index table according to claim 1 or 2, wherein: the zero-position switch is fixed on the shell.
4. The double bearing aligning numerical control index table according to claim 1, wherein: the worm wheel contains a plurality of meshing teeth, the worm wheel material is copper.
5. The double bearing aligning numerical control index table according to claim 1, wherein: the worm is made of alloy steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121093647.5U CN215201001U (en) | 2021-05-21 | 2021-05-21 | Double-bearing arrangement numerical control indexing turntable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121093647.5U CN215201001U (en) | 2021-05-21 | 2021-05-21 | Double-bearing arrangement numerical control indexing turntable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215201001U true CN215201001U (en) | 2021-12-17 |
Family
ID=79420122
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121093647.5U Active CN215201001U (en) | 2021-05-21 | 2021-05-21 | Double-bearing arrangement numerical control indexing turntable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215201001U (en) |
-
2021
- 2021-05-21 CN CN202121093647.5U patent/CN215201001U/en active Active
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