Rotary table with broach loosening structure

Abstract

The utility model discloses a rotary table with a broach loosening structure, and relates to the technical field of precision machining, the rotary table comprises an inclined shaft, a rotary shaft, a tailstock and a clamp, the rotary shaft is composed of a C-shaft supporting body, a C-shaft rotary shaft, a C-shaft motor, a C-shaft brake, an elastic element, a C-shaft encoder, a cylinder seat and a C-shaft bearing, the C-shaft rotary shaft is installed inside the C-shaft supporting body and the C-shaft motor, and the C-shaft brake is installed inside the C-shaft encoder. And the C-axis brake is mounted on the C-axis rotating shaft. The precise five-axis direct-drive rotary table and the high-precision tool clamp are combined and designed in an integrated mode, the five-axis combined machining clamping efficiency is greatly improved, the problem of rapid and high-precision tool loosening and broaching in a combined machining mode can be effectively solved, and the five-axis combined machining tool clamp can be applied to a rotary table and some attached clamps.

Description

Technical Field

[0001] The utility model relates to the technical field of precision machining, in particular to a turntable with a tool loosening and broaching structure. Background Art

[0002] In the precision machining industry, especially in multi-faceted machining or arc surface machining scenarios, precision turntables are indispensable. While pursuing machining accuracy, the efficiency of workpiece replacement is increasingly pursued, and expensive custom-made fixtures are often required. Such fixtures need to be customized by big-name manufacturers, which is expensive. Even due to the complexity of fixture design and the high difficulty of manufacturing, precision and efficiency are often not achieved at the same time, and repeated trial and error are required, which takes a long time.

[0003] Therefore, a turntable with a tool loosening and broaching structure is proposed. Utility Model Content

[0004] Technical problems solved

[0005] The purpose of the utility model is to make up for the deficiencies of the prior art and to provide a turntable with a loosening and broaching tool structure.

[0006] Technical Solution

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a turntable with a tool loosening and broaching structure, comprising a tilting axis, a rotating axis, a tailstock and a clamp;

[0008] The rotating shaft is composed of a C-axis support body, a C-axis rotating shaft, a C-axis motor, a C-axis brake, an elastic element, a C-axis encoder, a cylinder seat, and a C-axis bearing. The C-axis rotating shaft is installed inside the C-axis support body and the C-axis motor, and the C-axis brake is installed on the C-axis rotating shaft.

[0009] The C-axis support body includes a box body, a C-axis sealing seat installed at one end of the box body, and a cylinder sleeve installed at the other end of the box body;

[0010] The C-axis shaft is provided with a claw and a claw seat, the claw seat is connected to the piston via an auxiliary thrust bearing, and an adapter block is fixedly mounted on one end of the claw seat. One end of the piston is sealed by a rear cover. The shaft is fixed to the box body via the outer ring of the C-axis bearing, and the inner ring of the C-axis bearing is connected to the shaft as a whole.

[0011] The C-axis motor is composed of a rotor and a stator, and the rotating shaft is connected to the rotor;

[0012] The C-axis brake includes a brake ring and a brake seat;

[0013] The cylinder seat is connected to the cylinder sleeve, one end of the cylinder seat is sealed by the cylinder cover, and one side of the cylinder seat is elastically connected to the piston through an elastic element.

[0014] Preferably, two functional air source air circuits are included, namely, a tightening function air circuit is provided in the box body, brake seat, and cylinder seat, and a loosening function air circuit is provided in the box body, brake seat, cylinder seat, cylinder liner and cylinder head.

[0015] Preferably, the tilting shaft is composed of an A-axis encoder, a second brake ring, an A-axis motor, an A-axis support body, an A-axis sealing seat, an A-axis rotating shaft and an A-axis bearing.

[0016] Preferably, the A-axis motor is located inside the A-axis support body, the A-axis rotating shaft is connected to the rotor of the A-axis motor, and the A-axis rotating shaft is connected to the A-axis support body through the A-axis bearing, and a brake ring 2 is provided at one end of the A-axis rotating shaft to brake the A-axis rotating shaft.

[0017] Preferably, the tailstock is composed of a tailstock bearing, a tailstock support body, a tailstock brake, a second rear cover and a tailstock rotating shaft. The tailstock rotating shaft is installed inside the tailstock support body through the tailstock bearing. The tailstock support body is also provided with a tailstock brake that acts as a brake on the tailstock rotating shaft. The rear end of the tailstock support body is sealed by the second rear cover.

[0018] Preferably, the clamp is located in the core of the C-axis shaft.

[0019] Beneficial effects:

[0020] Compared with the existing technology, the turntable with a loosening and broaching structure has the following beneficial effects:

[0021] This utility model combines a precision five-axis direct-drive turntable with a high-precision fixture through an integrated design, which greatly improves the clamping efficiency of five-axis composite machining. It can effectively solve the problem of fast and high-precision loosening and broaching of tools in composite machining mode, and can be applied to the turntable and some accompanying fixtures. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative labor.

[0023] Figure 1 This is a schematic diagram of the overall appearance of the utility model;

[0024] Figure 2 It is a schematic diagram of the basic structure of the utility model;

[0025] Figure 3 This is a detailed diagram of the workpiece in a tensioned state according to the present invention;

[0026] Figure 4 This is a detailed diagram of the workpiece in the loosened state of the present invention.

[0027] In the picture:

[0028] 1. Tilt axis; 11. A-axis encoder; 12. Brake ring 2; 13. A-axis motor; 14. A-axis support; 15. A-axis seal seat; 16. A-axis shaft; 17. A-axis bearing; 2. Rotating axis; 21. C-axis support; 22. C-axis shaft; 23. C-axis motor; 24. C-axis brake; 25. Elastic element; 26. C-axis encoder; 27. Cylinder seat; 28. C-axis bearing; 211. Box; 212. C Shaft sealing seat; 272, cylinder liner; 221, pull claw; 222, pull claw seat; 223, auxiliary thrust bearing; 224, piston; 225, adapter block; 226, rear cover; 231, rotor; 232, stator; 241, brake ring; 242, brake seat; 271, cylinder head; 3, tailstock; 31, tailstock bearing; 32, tailstock support; 33, tailstock brake; 34, rear cover 2; 35, tailstock shaft; 4, fixture. DETAILED DESCRIPTION

[0029] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0030] See also Figures 1 to 4 As shown, the utility model provides a technical solution: a turntable with a tool loosening and broaching structure, including a tilting axis 1, a rotating axis 2, a tailstock 3 and a clamp 4.

[0031] The tilting shaft 1 is composed of an A-axis encoder 11, a brake ring 2 12, an A-axis motor 13, an A-axis support body 14, an A-axis sealing seat 15, an A-axis rotating shaft 16 and an A-axis bearing 17. The A-axis motor 13 is located inside the A-axis support body 14. The A-axis rotating shaft 16 is connected to the rotor of the A-axis motor 13, and the A-axis rotating shaft 16 is connected to the A-axis support body 14 through the A-axis bearing 17. One end of the A-axis rotating shaft 16 is provided with a brake ring 2 12 which acts as a brake on the A-axis rotating shaft 16.

[0032] In addition, the rotating shaft 2 in the present application is composed of a C-axis support body 21, a C-axis rotating shaft 22, a C-axis motor 23, a C-axis brake 24, an elastic element 25, a C-axis encoder 26, a cylinder seat 27, and a C-axis bearing 28. The C-axis rotating shaft 22 is installed inside the C-axis support body 21 and the C-axis motor 23, and the C-axis brake 24 is installed on the C-axis rotating shaft 22; wherein the C-axis support body 21 includes a box body 211, a C-axis sealing seat 212 installed at one end of the box body 211, and a cylinder sleeve 272 installed at the other end of the box body 211; a claw 221 and a claw seat 222 are provided inside the C-axis rotating shaft 22, and the claw seat 222 is connected to the piston 224 through an auxiliary thrust bearing 223, and a transfer block 225 is fixedly installed at one end of the claw seat 222, and the piston 2 One end of 24 is sealed by the rear cover 226, and the rotating shaft 22 is fixed to the box body 211 through the outer ring of the C-axis bearing 28, and the inner ring of the C-axis bearing 28 is connected to the rotating shaft 22 as a whole; the C-axis motor 23 is composed of a rotor 231 and a stator 232, and the rotating shaft 22 is connected to the rotor 231. When the external drive device is energized, the stator 232 and the rotor 231 generate a permanent magnetic field. Under the action of the magnetic force, the rotating shaft 22 rotates, and the C-axis sealing seat 212 is connected to the rotating shaft 22, that is, it rotates and positions together with the rotating shaft 22; the C-axis brake 24 includes a brake ring 241 and a brake seat 242; the cylinder seat 27 is connected to the cylinder sleeve 272, one end of the cylinder seat 27 is sealed by the cylinder head 271, and one side of the cylinder seat 27 is elastically connected to the piston 224 through the elastic element 25.

[0033] Secondly, the tailstock 3 is composed of a tailstock bearing 31, a tailstock support body 32, a tailstock brake 33, a second rear cover 34 and a tailstock rotating shaft 35. The tailstock rotating shaft 35 is installed inside the tailstock support body 32 through the tailstock bearing 31. The tailstock support body 32 is also provided with a tailstock brake 33 that acts as a brake on the tailstock rotating shaft 35. The rear end of the tailstock support body 32 is sealed by the second rear cover 34.

[0034] Please pay attention to Figure 3 and Figure 4 It also includes two functional air source circuits, namely a tightening function air circuit provided in the box body 211, the brake seat 242, and the cylinder seat 27, and a loosening function air circuit provided in the box body 211, the brake seat 242, the cylinder seat 27, the cylinder sleeve 272 and the cylinder cover 271.

[0035] Working principle:

[0036] Tension function: Air source is Figure 3 Under the air path design shown, the air enters the cylinder seat 27 from the box body 211 through the brake seat 242 and reaches the inside of the cylinder, pushing the piston 224 downward. The piston 27 drives the claw seat 222 to move in the same direction. The claw 221 tightens the clamp 4, and the adapter block 225 pre-tightens the auxiliary thrust bearing 223 to achieve the function of tightening the workpiece.

[0037] Release function: Figure 4 Under the air path design shown, the air enters the cylinder seat 27 from the box body 211 through the brake seat 242, and then pushes the piston 224 upward from the cylinder sleeve 272 and the cylinder head 271, bringing the claw 221 to the inside of the cylinder, pushing the piston 224 downward, and the piston 224 drives the claw seat 222 to move in the same direction together, and the claw 221 releases the clamp 4, realizing the function of releasing the clamp.

[0038] The pair of auxiliary thrust bearings 223 can simultaneously withstand the pulling forces in the upper and lower directions shown in the figure.

[0039] It should be noted that, in this document, relational terms such as first and second, etc., are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprises," "includes," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that includes a list of elements includes not only those elements but also other elements not explicitly listed, or elements inherent to such process, method, article, or apparatus.

[0040] Although the 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 variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A turntable with a tool loosening and broaching structure, comprising a tilting axis (1), a rotating axis (2), a tailstock (3) and a clamp (4), characterized in that: The rotating shaft (2) is composed of a C-axis support body (21), a C-axis rotating shaft (22), a C-axis motor (23), a C-axis brake (24), an elastic element (25), a C-axis encoder (26), a cylinder seat (27), and a C-axis bearing (28); the C-axis rotating shaft (22) is installed inside the C-axis support body (21) and the C-axis motor (23); and the C-axis brake (24) is installed on the C-axis rotating shaft (22); The C-axis support body (21) includes a box body (211) and a C-axis sealing seat (212) installed at one end of the box body (211); The C-axis rotating shaft (22) is provided with a pulling claw (221) and a pulling claw seat (222), the pulling claw seat (222) is connected to the piston (224) through an auxiliary thrust bearing (223), and a transfer block (225) is fixedly installed on one end of the pulling claw seat (222), and one end of the piston (224) is sealed by a rear cover (226), the rotating shaft (22) is fixed to the box (211) through the outer ring of the C-axis bearing (28), and the inner ring of the C-axis bearing (28) is connected to the rotating shaft (22) as a whole; The C-axis motor (23) is composed of a rotor (231) and a stator (232), and the rotating shaft (22) is connected to the rotor (231); The C-axis brake (24) includes a brake ring (241) and a brake seat (242); The cylinder seat (27) is connected to the cylinder sleeve (272), one end of the cylinder sleeve (272) is sealed by the cylinder cover (271), and one side of the cylinder seat (27) is elastically connected to the piston (224) through the elastic element (25).

2. The turntable with a loosening and broaching structure according to claim 1, characterized in that: It also includes two functional air source circuits, namely, a tightening function air circuit A provided in the box body (211), the brake seat (242), and the cylinder seat (27), and a loosening function air circuit B provided in the box body (211), the brake seat (242), the cylinder seat (27), the cylinder sleeve (272), and the cylinder cover (271).

3. The turntable with a loosening and broaching structure according to claim 1, characterized in that: The tilting shaft (1) is composed of an A-axis encoder (11), a second brake ring (12), an A-axis motor (13), an A-axis support body (14), an A-axis sealing seat (15), an A-axis rotating shaft (16), and an A-axis bearing (17).

4. The turntable with a loosening and broaching structure according to claim 3, characterized in that: The A-axis motor (13) is located inside the A-axis support body (14), the A-axis rotating shaft (16) is connected to the rotor of the A-axis motor (13), and the A-axis rotating shaft (16) is connected to the A-axis support body (14) through an A-axis bearing (17), and a brake ring 2 (12) is provided at one end of the A-axis rotating shaft (16) for braking the A-axis rotating shaft (16).

5. The turntable with a loosening and broaching structure according to claim 1, characterized in that: The tailstock (3) is composed of a tailstock bearing (31), a tailstock support body (32), a tailstock brake (33), a rear cover (34) and a tailstock rotating shaft (35). The tailstock rotating shaft (35) is installed inside the tailstock support body (32) through the tailstock bearing (31). The tailstock brake (33) for braking the tailstock rotating shaft (35) is also provided inside the tailstock support body (32).

6. The turntable with a loosening and broaching structure according to claim 1, characterized in that: The clamp (4) is located in the axis core of the C-axis rotating shaft (22).

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