A rotary table for processing multi-angle feature parts

Abstract

The present invention provides a rotary worktable for processing multi-angle feature parts, including a bottom plate, on which vertical plates 1 and 2 are arranged; vertical plates 1 are provided with disc brake boxes 1 and 2, and disc brake movable plates and disc brake screws are installed in the disc brake boxes 1 and 2, and the disc brake screws are provided with disc brake knobs outside, and the disc brake screws are provided with two sections of threads with opposite rotation directions, two bearings 1 are installed in the through hole of vertical plate 1, and a disc brake shaft is installed in bearing 1, and a disc brake disc is installed at the left end of the disc brake shaft, and a disc brake piece is provided at the right end of the disc brake disc; an angle display is provided at the lower right side of vertical plate 2, and worm gear boxes 1 and 2 are provided above, two bearings 1 are installed in the through hole of vertical plate 2, and a turntable transmission shaft is installed in bearing 1, and the turntable is installed on the turntable transmission shaft. The present invention can assist three-axis machine tools to process parts with inclined angle features such as inclined holes and bevel grooves, making batch and single part processing more convenient.

Description

Technical Field

[0001] The invention relates to the field of machine tool fixtures, and in particular to a rotary worktable for processing multi-angle feature parts. Background Art

[0002] At present, most of the rotary tables on the market are ordinary round rotary tables, which can only adjust a single axial angle, and have a small application range and cannot process parts with inclined angle features such as inclined holes and bevel grooves. Patents for processing inclined surface features are generally divided into two types: one is an electric control fixture, which relies on programming to control the rotation of the motor to adjust the inclination of the fixture. It relies on electricity and CNC programming, which has high design costs and is difficult to operate; the other is a mechanical fixture, which relies on mechanical transmission to adjust the inclination of the fixture, has a narrow application range, and low processing accuracy.

[0003] The first prior art is a tilting rotary table device (patent number: CN200410084182.1), which uses a motor to drive the shaft to achieve angle rotation. Its disadvantages are: 1. It requires specific programming and is complicated and difficult to operate; 2. It relies on electricity to drive the motor, and the tilt angle cannot be intuitively seen; 3. The device cost is high and it is difficult to adapt to the machine tool.

[0004] Prior art 2, a practical CNC rotary table for realizing five-axis linkage processing (patent number: CN201721303394.3), the head and the three-axis body are coordinated by the CNC system, which can automatically and efficiently perform one-time overall processing on parts with complex shapes. Its disadvantages are: 1. Specific programming is required, and the operation is complicated and difficult; 2. Each use requires the installation of circuits, and the operation is cumbersome; 3. The device cost is high and it is difficult to adapt to the machine tool. Summary of the invention

[0005] To solve the above problems, the present invention discloses a rotary worktable for processing parts with multi-angle features, which assists the three-axis machine tool to process parts with inclined angle features such as inclined holes and bevel grooves, making batch and single part processing more convenient.

[0006] The specific plan is as follows:

[0007] 7. The swiftly and minutely adjusting device for a wood-planer working table as claimed in claim 1, wherein said linking rod and said adjusting base are pivotally connected to each other with a bolt, and said bolt has a round shank to contact with said linking rod. said linking rod has two limit switches and a plurality of parallel plates, each of which is connected to said linking rod by a spring. The cam is fixed to the left end of the drive shaft and the right end of the drive shaft is fixed with a key through the keyway of the cam, and the cam is fixed to the right end of the drive shaft through the keyway of the cam.

[0008] As a further improvement of the present invention, a worm shaft is installed in the worm gear box one and the worm gear box two, a handwheel is installed at the left end of the worm shaft, and the right end is installed in the hole on the right side of the worm gear box one and the worm gear box two, the middle part of the handwheel is a worm structure, and a turbine is installed on the turntable drive shaft that penetrates into the worm gear box one and the worm gear box two, the worm shaft is meshed with the turbine, and rotating the handwheel drives the worm shaft to rotate. Since the worm shaft is meshed with the turbine, the rotation of the worm shaft will drive the turbine to rotate, and the rotation of the turbine will drive the turntable drive shaft to rotate, and the rotation of the turntable drive shaft will ultimately drive the overall movement of the turntable.

[0009] As a further improvement of the present invention, a support seat, an angle detector and a secondary ruler are provided on the turntable, the support seat is installed on the turntable by the turntable connecting screws, and the secondary ruler is installed on the turntable by the secondary ruler fastening screws. A central bearing is installed at the center of the support seat, and a rotating disc drive shaft is installed in the inner hole of the central bearing, so that the rotating disc drive shaft can rotate freely. A support disc is installed on the support seat, and a thrust bearing is installed between the two so that they can realize relative rotation. A sleeve and a differential cylinder are installed on the support seat, a telescopic rod is provided in the sleeve, and an adjusting disk is provided on the outer sleeve of the support disc. A fastening knob is installed at the edge of the support disc, and the telescopic rod and the differential cylinder cooperate. The use can realize fine adjustment of the angle of the adjusting disk and the differential cylinder can read the fine adjustment reading. Under normal conditions, the supporting disk can rotate in the adjusting disk. When the tightening knob is tightened, the supporting disk can be fixed on the adjusting disk. By adjusting the differential cylinder, the rotation angle of the whole formed by the supporting disk and the adjusting disk can be fine-tuned. A rotating disk is provided on the supporting disk, and the rotating disk is installed on the supporting disk by a rotating disk fastening screw. The rotating disk transmission shaft is installed on the whole formed by the supporting disk and the rotating disk by an interference fit, so that the whole formed by the supporting disk and the rotating disk can rotate with the rotating disk transmission shaft. The rotating disk and the secondary ruler are both provided with scales, and the rotation angle of the rotating disk can be read out by the cooperation of the two.

[0010] As a further improvement of the present invention, a base is provided on the rotating disc, and the fixed block is installed on the base by means of the fixed block connecting screws. The fixed block is stuck in the groove on the rotating disc, so that the base is tightly connected to the rotating disc. An adjusting screw is installed on the base, and threads with opposite rotation directions are provided at both ends of the adjusting screw, and two moving blocks are installed on the two sections of threads. The clamping block is fixed to the moving block by the clamping block screws, and the adjusting screw is fixed to the base by the fixed axis block so that the adjusting screw can rotate. An adjusting handle is installed on the left end of the adjusting screw for easy rotation of the adjusting screw. The rotation of the adjusting screw allows the two moving blocks to move closer or farther away from each other, so that the clamping block can clamp the workpiece, and a locking knob is installed on the side of the base.

[0011] As a further improvement of the present invention, a brake turbine box 1 and a brake turbine box 2 are installed on the turntable through a brake turbine box connecting screw, a brake bearing is installed on the brake turbine box 2, a rotating disc drive shaft is installed in the brake bearing, and a brake turbine and a brake track disk are installed on the rotating disc drive shaft in the brake bearing from bottom to top, and the brake track disk and the brake turbine box 1 are respectively provided with slide rails, and three brake pads are cooperatedly installed in the slide rails, so that the three brake pads can move in the slide rails to achieve locking of the rotating disc drive shaft, and when the hand wheel is turned to drive the worm shaft to rotate, the worm shaft meshes with the brake turbine and rotates it, thereby achieving movement of the three brake pads to achieve locking of the rotating disc drive shaft.

[0012] The beneficial effects of the present invention are:

[0013] 1. The present invention can directly read the angle of rotation of the turntable and the rotating disc through the angle display device. The rotating disc adopts the auxiliary ruler and the differential cylinder to read the reading, and the rotary table uses the inclinometer to read the reading directly. It is not only convenient to read, but also has high accuracy, which greatly expands the application scope of the turntable;

[0014] 2. Both the turntable and the rotating disc adopt double locking to ensure the processing accuracy. The turntable adopts the self-locking of the worm gear and the disc brake device, and the rotating disc adopts the mechanical locking and the centripetal locking device. The double locking is simple to operate, reasonable in structure, convenient to lock, and effectively ensures the processing accuracy;

[0015] 3. The transmission is carried out by pure mechanical structure, which has reasonable structure and simple operation, avoiding dependence on external power supply, and the complicated CNC programming does not interfere with the machine tool program. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 The present invention is a schematic diagram of the overall structure of a rotary table for processing multi-angle feature parts.

[0017] Figure 2 The present invention is a cross-sectional view of a rotary table for processing multi-angle feature parts.

[0018] Figure 3 This is a schematic diagram of the right side of a rotary workbench for processing multi-angle feature parts according to the present invention (with the worm gear box 2 removed).

[0019] Figure 4 The present invention is a partial top view of a rotary table for processing multi-angle feature parts.

[0020] Figure 5 The present invention is a partial cross-sectional view of a rotary table for processing multi-angle feature parts.

[0021] Figure 6 The present invention is a schematic structural diagram of a base in a rotary workbench for processing multi-angle feature parts.

[0022] Figure 7 for Figure 6 Top view of the .

[0023] Figure 8 The present invention is a partial exploded view of a brake portion in a rotary table for processing multi-angle feature parts.

[0024] List of reference numerals:

[0025] 1-base plate, 2-braking worm gear box 1, 3-disc brake box 1, 4-disc brake box 2, 5-disc brake knob, 6-disc brake movable plate, 7-disc brake shaft, 8-disc brake disc, 9-screw, 10-disc brake pad, 11-vertical plate 1, 12-turntable, 13-second ruler, 14-adjusting handle, 15-rotating disc, 16-base, 17-fixed block, 18-clamping block, 19-workpiece, 21-locking knob, 22-vertical plate 2, 23-turntable transmission shaft, 24-worm gear box 1, 25-worm gear box 2, 26-handwheel, 27-connecting screw, 28-angle detector, 29-angle display, 30-braking worm gear box 2, 31-telescopic rod, 32-key, 33-bearing 1 , 34-brake bearing, 35-worm gear, 37-brake pad, 38-rotating disc drive shaft, 39-brake track plate, 40-disc brake screw, 41-worm shaft, 42-base connecting screws, 43-disc brake box connecting screws, 44-brake turbine box connecting screws, 45-turn table connecting screws, 46-secondary scale fastening screws, 47-rotating disc fastening screws, 48-center bearing, 49-brake turbine, 50-fastening knob, 51-support plate, 52-adjusting plate, 53-moving block, 54-support seat, 55-adjusting screw, 56-thrust bearing, 57-sleeve, 58-differential cylinder, 59-fixed block connecting screws, 60-clamping block connecting bolts, 61-fixed axis block. DETAILED DESCRIPTION

[0026] The present invention is further explained below in conjunction with the accompanying drawings and specific embodiments. It should be understood that the following specific embodiments are only used to illustrate the present invention and are not used to limit the scope of the present invention. It should be noted that the words "front", "rear", "left", "right", "upper" and "lower" used in the following description refer to directions in the accompanying drawings, and the words "inner" and "outer" refer to directions toward or away from the geometric center of a specific component, respectively.

[0027] As shown in the figure, a rotary worktable for processing multi-angle feature parts includes a base plate 1 placed on the worktable of a machine tool, and the base plate 1 is provided with two vertical plates 11 and 22 arranged on the left and right, and the vertical plates 11 and 22 are respectively connected to the base plate 1 through base connecting screws 42; the vertical plate 11 is provided with a disc brake box 13 and a disc brake box 24, and the disc brake box 13 and the disc brake box 24 are fixed on the vertical plate 11 through the disc brake box connecting screws 43, and the disc brake box 13 and the disc brake box 24 are installed inside There are two disc brake movable plates 6 and a disc brake lead screw 40. The disc brake lead screw 40 is equipped with a disc brake knob 5. The disc brake lead screw 40 is driven to rotate by adjusting the disc brake knob 5. The disc brake lead screw 40 is provided with two sections of threads with opposite rotation directions. The threaded holes on the two disc brake movable plates 6 are respectively installed on the two sections of threads with opposite rotation directions of the disc brake lead screw 40. When the disc brake lead screw 40 rotates, the two disc brake movable plates 6 can move toward each other to generate a clamping force on the disc brake disc 10. A through hole is provided on the upper part of the vertical plate 11, and a through hole is installed in the through hole. There are two bearings 33, a disc brake shaft 7 is installed in the bearing 33 of the vertical plate 11, a disc brake disc 8 is installed on the left end of the disc brake shaft 7 by interference fit, a disc brake pad 10 is provided on the right end of the disc brake disc 8, and the disc brake pad 10 is connected and fixed to the disc brake disc 8 by screws 9, a key 32 is installed in the keyway at the right end of the disc brake shaft 7, and the turntable 12 is installed on the right end of the disc brake shaft 7 by interference fit; an angle display 29 is provided at the lower right side of the vertical plate 22, and a worm gear box 24 and a worm gear box 25 are provided at the upper side. The worm gear box 1 24 and the worm gear box 25 are fixed on the vertical plate 22 by connecting screws 27. The vertical plate 22 is provided with a through hole, in which two bearings 1 33 are installed. The turntable drive shaft 23 is installed in the bearing 1 33 of the vertical plate 22, and a key 32 is installed in the keyway at the left end of the turntable drive shaft 23. The turntable 12 is installed on the turntable drive shaft 23 by interference fit, and the right end of the turntable drive shaft 23 extends into the interior through the hole on the worm gear box 1 24.

[0028] In this embodiment, a worm shaft 41 is installed in the worm gear box 1 24 and the worm gear box 25, a handwheel 26 is installed at the left end of the worm shaft 41, and the right end is installed in the hole on the right side of the worm gear box 1 24 and the worm gear box 25. The middle part of the handwheel 26 is a worm structure, and a turbine 35 is installed on the turntable drive shaft 23 that penetrates into the worm gear box 1 24 and the worm gear box 25. The worm shaft 41 is meshed with the turbine 35. Rotating the handwheel 26 drives the worm shaft 41 to rotate. Since the worm shaft 41 is meshed with the turbine 35, the rotation of the worm shaft 41 will drive the turbine 35 to rotate, and the rotation of the turbine 35 will drive the turntable drive shaft 23 to rotate. The rotation of the turntable drive shaft 23 ultimately drives the overall movement of the turntable 12.

[0029] In this embodiment, a support seat 54, an angle detector 28 and a secondary ruler 13 are provided on the turntable 12. The support seat 54 is installed on the turntable 12 through the turntable connecting screws 45, and the secondary ruler 13 is installed on the turntable 12 through the secondary ruler fastening screws 46. A central bearing 48 is installed at the center of the support seat 54, and a rotating disc drive shaft 38 is installed in the inner hole of the central bearing 48, so that the rotating disc drive shaft 38 can rotate freely. A support plate 51 is installed on the support seat 54, and a thrust bearing 56 is installed between the two so that they can achieve relative rotation. A sleeve 57 and a differential cylinder 58 are installed on the support seat 54, and a telescopic rod 31 is provided in the sleeve 57. The support plate 51 is covered with an adjusting disk 52. A fastening knob 50 is installed at the edge of the support plate 51. The telescopic rod 31 and the differential cylinder 58 are used in conjunction with each other. The angle of the adjusting disk 52 can be fine-tuned and the differential cylinder 58 can read the fine-tuning reading. Under normal conditions, the supporting disk 51 can rotate in the adjusting disk 52. When the tightening knob 50 is tightened, the supporting disk 51 can be fixed on the adjusting disk 52. By adjusting the differential cylinder 58, the rotation angle of the whole formed by the supporting disk 51 and the adjusting disk 52 can be fine-tuned. A rotating disk 15 is provided on the supporting disk 51. The rotating disk 15 is installed on the supporting disk 51 by a rotating disk fastening screw 47, and the rotating disk transmission shaft 38 is installed on the whole formed by the supporting disk 51 and the rotating disk 15 by an interference fit, so that the whole formed by the supporting disk 51 and the rotating disk 15 can rotate with the rotating disk transmission shaft 38. The rotating disk 15 and the secondary scale 13 are both provided with scales, and the rotation angle of the rotating disk can be read out by the cooperation of the two.

[0030] In this embodiment, a base 16 is provided on the rotating disk 15, and a fixed block 17 is installed on the base 16 by a fixed block connecting screw 59. The fixed block 17 is stuck in a groove on the rotating disk 15, so that the base 16 is closely connected with the rotating disk 15. An adjusting screw 55 is installed on the base 16, and threads with opposite rotation directions are provided at both ends of the adjusting screw 55, and two moving blocks 53 are installed on the two sections of threads. The clamping block 18 is fixed to the moving block 53 by a clamping block screw 60, and the adjusting screw 55 is fixed to the base 16 by a fixed axis block 61 so that the adjusting screw 55 can rotate. An adjusting handle 14 is installed on the left end of the adjusting screw 55 to facilitate the rotation of the adjusting screw 55. The rotation of the adjusting screw 55 allows the two moving blocks 53 to move closer or farther away from each other, so that the clamping block 18 can clamp the workpiece, and a locking knob 21 is installed on the side of the base 16.

[0031] In this embodiment, a brake turbine box 12 and a brake turbine box 2 are installed on the turntable 12 through a brake turbine box connecting screw 44. A brake bearing 34 is installed on the brake turbine box 2 30. A rotating disc transmission shaft 38 is installed in the brake bearing 34. A brake turbine 49 and a brake track disk 39 are installed on the rotating disc transmission shaft 38 in the brake bearing 34 from bottom to top. The brake track disk 39 and the brake turbine box 1 2 are respectively provided with slide rails, and three brake pads 37 are cooperatedly installed in the slide rails, so that the three brake pads 37 can move in the slide rails to achieve locking of the rotating disc transmission shaft 38. When the hand wheel 26 is turned to drive the worm shaft 41 to rotate, the worm shaft 41 meshes with the brake turbine 49 and rotates it, thereby achieving movement of the three brake pads 37 to achieve locking of the rotating disc transmission shaft 38.

[0032] The rotating disc of the present invention increases the processable angle range by using a secondary ruler and a differential cylinder to coordinate readings; the turntable uses an inclinometer to intuitively read the turntable's tilt angle; the rotating disc adopts a mechanical locking device plus a centripetal locking device to reasonably double-lock the force; the turntable uses a worm gear self-locking device plus a disc brake device to reasonably guarantee the accuracy; a reasonable angle adjustment method, the worm gear transmission plus manual direct adjustment are coordinated and the operation is convenient and reasonable.

[0033] The technical means disclosed in the scheme of the present invention are not limited to the technical means disclosed in the above-mentioned implementation mode, but also include technical schemes composed of any combination of the above technical features.

Claims

1. A rotary table for processing multi-angle feature parts, characterized in that: The invention comprises a bottom plate (1), wherein the bottom plate (1) is provided with two vertical plates (11) and (22) arranged on the left and right, and the vertical plates (11) and (22) are connected to the bottom plate (1) respectively by base connecting screws (42); the vertical plate (11) is provided with a disc brake box (3) and (4) are fixed to the vertical plate (11) by disc brake box connecting screws (43), and the disc brake box (3) and (4) are provided with two disc brake movable plates (6 ) and a disc brake screw (40), the disc brake screw (40) being externally provided with a disc brake knob (5), the disc brake screw (40) being provided with two sections of threads with opposite rotation directions, the threaded holes on the two disc brake movable plates (6) being respectively mounted on the two sections of threads with opposite rotation directions of the disc brake screw (40), the upper portion of the vertical plate (11) being provided with a through hole, two bearings (33) being mounted in the through hole, the bearings (33) of the vertical plate (11) being provided with a disc brake shaft (7), the left end of the disc brake shaft (7) being provided with a disc brake disc ( 8), a disc brake pad (10) is provided at the right end of the disc brake disc (8), and the disc brake pad (10) is connected and fixed to the disc brake disc (8) by means of screws (9), a key (32) is installed in the keyway at the right end of the disc brake shaft (7), and the turntable (12) is installed on the right end of the disc brake shaft (7) by means of interference fit; an angle display (29) is provided at the lower right side of the vertical plate (22), and a worm gear box (24) and a worm gear box (25) are provided at the upper side, and the worm gear box (24) and the worm gear box (25) are connected by means of screws (9). The connecting screw (27) is fixedly mounted on the second vertical plate (22); the second vertical plate (22) is provided with a through hole, in which two bearings (33) are installed; a turntable transmission shaft (23) is installed in the bearing (33) of the second vertical plate (22); a key (32) is installed in the keyway at the left end of the turntable transmission shaft (23); the turntable (12) is installed on the turntable transmission shaft (23) by interference fit; the right end of the turntable transmission shaft (23) protrudes into the interior of the worm gear box (24) through a hole on the worm gear box (24); A worm shaft (41) is installed in the worm gear box (1) (24) and the worm gear box (25). A hand wheel (26) is installed at the left end of the worm shaft (41), and the right end is installed in a hole on the right side of the worm gear box (1) (24) and the worm gear box (25). The middle part of the hand wheel (26) is a worm structure, which penetrates into the turret drive shaft (23) in the worm gear box (1) (24) and the worm gear box (25). A turbine (35) is installed on the worm shaft (41) and the turbine (35) is meshed with the worm shaft (41). The turntable (12) is provided with a support seat (54), an angle detector (28) and a secondary ruler (13); the support seat (54) is mounted on the turntable (12) via turntable connecting screws (45); the secondary ruler (13) is mounted on the turntable (12) via secondary ruler fastening screws (46); a center bearing (48) is mounted at the center of the support seat (54); a rotating disc transmission shaft (38) is mounted in the inner hole of the center bearing (48); a support disc (51) is mounted on the support seat (54); a thrust bearing (56) is mounted between the two; and a support disc (51) is mounted on the support seat (54). A sleeve (57) and a differential cylinder (58) are provided, wherein a telescopic rod (31) is provided in the sleeve (57), an adjusting disc (52) is provided on the outer cover of the support disc (51), a fastening knob (50) is mounted on the edge of the support disc (51), a rotating disc (15) is provided on the support disc (51), the rotating disc (15) is mounted on the support disc (51) by a rotating disc fastening screw (47), and a rotating disc transmission shaft (38) is mounted on the whole formed by the support disc (51) and the rotating disc (15) by interference fit, and scales are provided on the rotating disc (15) and the secondary ruler (13).

2. A rotary table for processing multi-angle feature parts according to claim 1, characterized in that: The rotating disk (15) is provided with a base (16), a fixed block (17) is mounted on the base (16) by means of a fixed block connecting screw (59), the fixed block (17) is clamped in a groove on the rotating disk (15), an adjusting screw (55) is mounted on the base (16), both ends of the adjusting screw (55) are provided with threads with opposite rotation directions, and two moving blocks (53) are mounted on the two threads, a clamping block (18) is fixed to the moving block (53) by means of a clamping block screw (60), the adjusting screw (55) is fixed to the base (16) by means of a fixed axis block (61), an adjusting handle (14) is mounted on the left end of the adjusting screw (55), and a locking knob (21) is mounted on the side of the base (16).

3. A rotary table for processing multi-angle feature parts according to claim 1, characterized in that: The turntable (12) is provided with a brake turbine box 1 (2) and a brake turbine box 2 (30) via a brake turbine box connecting screw (44); a brake bearing (34) is provided on the brake turbine box 2 (30); a rotating disc transmission shaft (38) is provided in the brake bearing (34); a brake turbine (49) and a brake track disc (39) are provided on the rotating disc transmission shaft (38) in the brake bearing (34) from bottom to top in sequence; the brake track disc (39) and the brake turbine box 1 (2) are provided with slide rails respectively, and three brake pads (37) are provided in cooperation with the slide rails.

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