Cutting tool for multi-station 170 numerical control rotary table

Abstract

The utility model relates to the technical field of numerical control rotary tables, in particular to a cutting tool for a multi-station 170 numerical control rotary table, which comprises a bottom plate and a base, the base is fixedly arranged at the upper end of the bottom plate, a first groove and a second groove are arranged on two sides of the base, a rotary table mounting groove is arranged at the upper end of the base, and a cavity is arranged at the bottom of the rotary table mounting groove. A first through hole is formed between the first groove and the cavity, a second through hole is formed between the second groove and the cavity, a brushless motor is fixedly arranged at the position, located in the first groove, of the side wall of the base through a motor flange, a gear shaft is fixedly arranged at the output end of the brushless motor, and a first supporting mechanism is arranged between the first through hole and the gear shaft. A second supporting mechanism is arranged between the second through hole and the gear shaft, and the first supporting mechanism comprises a deep groove ball bearing. Compared with the traditional technology, the structure is simpler and more convenient to operate, the labor intensity can be reduced to a certain extent, accumulated errors existing in the assembling process can be solved, and the assembling precision and the transmission stability are further improved.

Description

Technical Field

[0001] This utility model relates to the field of CNC rotary table technology, specifically a cutting fixture for a multi-station 170 CNC rotary table. Background Technology

[0002] The initial development of CNC machine tool functional components in my country followed two parallel paths. One was that specialized accessory manufacturers developed CNC accessory products such as CNC rotary tables, power chucks, and ball screws. The other was that main machine tool manufacturers independently developed supporting functional components, such as CNC tool holders, and in some cases, tool magazines and spindles.

[0003] In the existing technology, the installation of multi-station 170 CNC rotary tables is time-consuming, labor-intensive, and inefficient, resulting in high labor intensity for workers and large assembly errors, which in turn leads to low assembly accuracy and transmission stability. Therefore, we have introduced a cutting fixture for multi-station 170 CNC rotary tables. Utility Model Content

[0004] The purpose of this utility model is to provide a cutting fixture for a multi-station 170 CNC rotary table. Compared with traditional processes, this structure is simpler and more convenient to operate, can reduce labor intensity to a certain extent, and can solve the cumulative error during assembly, further improving assembly accuracy and transmission stability, so as to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution:

[0006] A cutting fixture for a multi-station 170 CNC rotary table includes a base plate and a base. The base is fixedly mounted on the upper part of the base plate. The base has a first groove and a second groove on both sides. The upper end of the base has a rotary table mounting slot. The bottom of the rotary table mounting slot has a cavity. A first through hole is provided between the first groove and the cavity. A second through hole is provided between the second groove and the cavity. A brushless motor is fixedly mounted on the side wall of the base at the first groove via a motor flange. A gear shaft is fixedly mounted on the output end of the brushless motor. A first support mechanism is provided between the first through hole and the gear shaft. A second support mechanism is provided between the second through hole and the gear shaft.

[0007] Furthermore, the first support mechanism includes a deep groove ball bearing, which is fixedly disposed in the first through hole, and the shaft wall of the gear shaft cooperates with the inner side wall of the deep groove ball bearing.

[0008] Furthermore, the second support mechanism includes a double-row angular contact bearing, which is fixedly disposed in the second through hole, and the shaft wall of the gear shaft cooperates with the inner side wall of the double-row angular contact bearing.

[0009] Furthermore, a spiral bevel gear is fixedly mounted on the shaft wall of the gear shaft.

[0010] Furthermore, the end of the gear shaft furthest from the brushless motor is abutted against a double-row angular contact bearing via a bearing lock nut.

[0011] Furthermore, positioning holes are provided at all four corners of the base plate.

[0012] Furthermore, the base is provided with a cover by bolts at the second groove.

[0013] Compared with the prior art, the beneficial effects of this utility model are:

[0014] This cutting fixture for a multi-station 170 CNC rotary table comprises a base plate, a base, a cover, bearing lock nuts, a double-row angular contact bearing, a brushless motor, a motor flange, a deep groove ball bearing, a spiral bevel gear, and a gear shaft. The gear shaft wall mates with the inner wall of the deep groove ball bearing, which is the most widely used type of rolling bearing. Deep groove ball bearings are characterized by low frictional resistance and high speed, making them suitable for machine parts subjected to radial loads or combined radial and axial loads. The gear shaft wall mates with the inner wall of the double-row angular contact bearing, whose design is essentially the same as that of a single-row angular contact ball bearing, but occupies less axial space. The first and second support mechanisms improve assembly accuracy and transmission stability. This cutting fixture, used on a multi-station 170 CNC five-axis rotary table, offers simpler and more convenient operation compared to traditional processes. It reduces labor intensity to some extent, resolves cumulative errors during assembly, and further improves assembly accuracy and transmission stability. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of a cutting fixture used on a multi-station 170 CNC rotary table.

[0016] Figure 2 This is a top view schematic diagram of a cutting fixture used in a multi-station 170 CNC rotary table.

[0017] Figure 3 for Figure 2 A schematic diagram of the cross-section along the AA direction.

[0018] In the diagram: 1. Base plate; 2. Base; 3. Cover; 4. Bearing lock nut; 5. Double row angular contact bearing; 6. Brushless motor; 7. Motor flange; 8. Deep groove ball bearing; 9. Spiral bevel gear; 10. Gear shaft. Detailed Implementation

[0019] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0020] Please see Figures 1 to 3 This utility model provides a technical solution:

[0021] A cutting fixture for a multi-station 170 CNC rotary table includes a base plate 1 and a base 2. The base 2 is fixedly mounted on the upper end of the base plate 1. The base plate 1 has positioning holes at all four corners, which facilitates the fixing of the base plate 1. The base 2 has a first groove and a second groove on both sides. The upper end of the base 2 has a rotary table mounting groove. The bottom of the rotary table mounting groove has a cavity. A first through hole is provided between the first groove and the cavity. A second through hole is provided between the second groove and the cavity. A brushless motor 6 is fixedly mounted on the side wall of the base 2 at the first groove via a motor flange 7. A gear shaft 10 is fixedly mounted on the output end of the brushless motor 6.

[0022] A first support mechanism is provided between the first through hole and the gear shaft 10. The first support mechanism includes a deep groove ball bearing 8, which is fixedly installed inside the first through hole. The shaft wall of the gear shaft 10 mates with the inner wall of the deep groove ball bearing 8. The deep groove ball bearing 8 is one of the most widely used rolling bearings. Its characteristics include low frictional resistance, high speed, and suitability for use in machine parts that bear radial loads or combined radial and axial loads.

[0023] A second support mechanism is provided between the second through hole and the gear shaft 10. This second support mechanism includes a double-row angular contact bearing 5, which is fixedly installed within the second through hole. The shaft wall of the gear shaft 10 mates with the inner wall of the double-row angular contact bearing 5. The design of the double-row angular contact bearing 5 is basically the same as that of a single-row angular contact ball bearing, but it occupies less axial space. The double-row angular contact bearing 5 can withstand radial loads and axial loads acting in both directions. It can limit bidirectional axial displacement of the shaft or housing, and its contact angle is 30 degrees. It can provide a bearing configuration with high rigidity and can withstand overturning moments.

[0024] A spiral bevel gear 9 is fixedly mounted on the shaft wall of the gear shaft 10. A CNC rotary table is fixedly installed in the rotary table mounting slot. The input end of the CNC rotary table is fixedly connected to a driven bevel gear that meshes with the spiral bevel gear 9. The spiral bevel gear 9 and the driven bevel gear are meshed. The output end of the brushless motor can drive the CNC rotary table to rotate through the spiral bevel gear 9 and the driven bevel gear. The end of the gear shaft 10 furthest from the brushless motor 6 is abutted against a double-row angular contact bearing 5 by a bearing locking nut 4. The bearing locking nut 4 ensures that the gear shaft 10 and the double-row angular contact bearing 5 are fixed.

[0025] The base 2 is located in the second groove and is fixed with a cover 3 by bolts. The cover 3 can provide protection for the bearing lock nut 4 and reduce dust contact with the double row angular contact bearing 5.

[0026] In use, the shaft wall of gear shaft 10 mates with the inner wall of deep groove ball bearing 8, which is the most widely used type of rolling bearing. Its characteristics include low frictional resistance and high speed, making it suitable for machine parts subjected to radial loads or combined radial and axial loads. The shaft wall of gear shaft 10 mates with the inner wall of double-row angular contact bearing 5. The design of double-row angular contact bearing 5 is basically the same as that of single-row angular contact ball bearings, but it occupies less axial space. The first and second support mechanisms improve assembly accuracy and transmission stability. This cutting fixture is used on a multi-station 170 CNC five-axis rotary table. Compared with traditional processes, this structure is simpler and more convenient to operate, reduces labor intensity to a certain extent, and solves the cumulative errors that exist during assembly, further improving assembly accuracy and transmission stability.

[0027] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A cutting fixture for a multi-station 170 CNC rotary table, comprising a base plate (1) and a base (2), characterized in that: The base (2) is fixedly installed on the upper end of the base plate (1). The base (2) has a first groove and a second groove on both sides. The upper end of the base (2) has a turntable mounting groove. The bottom of the turntable mounting groove has a cavity. The first groove and the cavity have a first through hole. The second groove and the cavity have a second through hole. The side wall of the base (2) is fixedly provided with a brushless motor (6) through a motor flange (7) at the first groove. The output end of the brushless motor (6) is fixedly provided with a gear shaft (10). The first through hole and the gear shaft (10) have a first support mechanism. The second through hole and the gear shaft (10) have a second support mechanism.

2. The cutting fixture for a multi-station 170 CNC rotary table according to claim 1, characterized in that: The first support mechanism includes a deep groove ball bearing (8), which is fixedly installed in the first through hole, and the shaft wall of the gear shaft (10) is engaged with the inner side wall of the deep groove ball bearing (8).

3. A cutting fixture for a multi-station 170 CNC rotary table according to claim 1, characterized in that: The second support mechanism includes a double-row angular contact bearing (5), which is fixedly installed in the second through hole, and the shaft wall of the gear shaft (10) is engaged with the inner side wall of the double-row angular contact bearing (5).

4. A cutting fixture for a multi-station 170 CNC rotary table according to claim 1, characterized in that: The gear shaft (10) is fixedly provided with a spiral bevel gear (9) on its shaft wall.

5. A cutting fixture for a multi-station 170 CNC rotary table according to claim 3, characterized in that: The gear shaft (10) is abutted against the double-row angular contact bearing (5) at the end away from the brushless motor (6) via a bearing locking nut (4).

6. A cutting fixture for a multi-station 170 CNC rotary table according to claim 1, characterized in that: The base plate (1) has positioning holes at all four corners.

7. A cutting fixture for a multi-station 170 CNC rotary table according to claim 1, characterized in that: The base (2) is located in the second groove and is fixed with a cover (3) by bolts.

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