CN111360337A

CN111360337A - Universal dividing head for gear machining

Info

Publication number: CN111360337A
Application number: CN202010297484.6A
Authority: CN
Inventors: 黄军梅; 陈海华; 范朝辉; 胡常华
Original assignee: Dongguan Qiqu Robot Technology Co Ltd
Current assignee: Dongguan Qiqu Robot Technology Co Ltd
Priority date: 2020-04-15
Filing date: 2020-04-15
Publication date: 2020-07-03

Abstract

The invention relates to a universal dividing head for gear processing, which comprises a base, wherein a machine body is fixedly arranged above the base, a vernier ring is arranged outside the machine body, an index plate is arranged on the inner side of the vernier ring, a shedding worm handle is arranged above the right side of the machine body, a main shaft locking handle is connected above the machine body, a chuck is connected on the right side of the machine body, a machine barrel is connected on the left side of the chuck, a rotating shaft is arranged above the machine barrel, a workbench is connected above the rotating shaft, a positioner is arranged inside the workbench, a fixer is arranged above the workbench, a locking nut is arranged below the fixer, a displacement groove is arranged below the locking nut, a groove is designed inside the workbench, a piston operating mechanism is arranged inside the groove to control a gear arranged on the positioner, and the gear can stretch back and forth through the piston operating mechanism, the gear grooves of the gear workpiece can be completely and uniformly machined until the gear workpiece is completely turned to the next gear groove.

Description

Universal dividing head for gear machining

Technical Field

The invention relates to the technical field of gear dividing heads, in particular to a universal dividing head for gear machining.

Background

The indexing head is one of the important accessories of a milling machine, is used for installing a milling inclined surface of a workpiece to perform indexing work, machining a spiral groove and the like, performs the indexing work on the workpiece by using simple indexing, compound indexing and differential indexing, and installs the workpiece at a required angle so as to perform cutting machining.

The existing dividing head structure mainly comprises a base, a rotating body, an indexing disc and a main shaft, wherein the main shaft can rotate in a vertical plane along with the rotating body, a three-grab chuck or a tip is usually arranged at the front end of the main shaft and used for fixing a workpiece, a handle is rotated to drive the main shaft to drive the workpiece to rotate by an angle for dividing, and the universal dividing head is multiple in variety and different in size for processing gears.

Disclosure of Invention

The invention aims to provide a universal dividing head for gear machining, which solves the problem that the existing three-jaw chuck at the front end of the dividing head in the background technology is not changed for different gears and sizes.

In order to achieve the purpose, the invention provides the following technical scheme: a universal dividing head for gear machining comprises a base, a machine body is fixedly mounted above the base, a cursor ring is mounted outside the machine body, an index plate is mounted on an inner side of a cursor changing device, an index fork is mounted on the surface of the index plate, a rotary screw rod is connected to one end of the index fork, a crank is mounted at one end of the rotary screw rod, a positioning pin is mounted below the crank, a crank is connected above the crank, a hanging wheel input shaft is mounted on the right side of the machine body, a falling worm handle is mounted above the right side of the machine body, a main shaft locking handle is connected above the machine body, a chuck is connected on the right side of the machine body, a machine barrel is connected on the left side of the chuck, a rotating shaft is mounted above the machine barrel, a workbench is connected above the rotating shaft, a positioner is mounted inside the workbench, and a fixer is mounted above the workbench, and a locking nut is arranged below the fixer, and a displacement groove is arranged below the locking nut.

Preferably, one side of the outer wall of the machine body is convexly connected with the cursor ring, and the machine body is movably connected with the cursor ring.

Preferably, the dial is movably connected with the rotary screw, the indexing dial is movably connected with the indexing shifting fork, and the indexing dial is of an angle indexing structure through the rotary screw and the indexing shifting fork.

Preferably, the rotary screw rod is movably connected with the crank, the crank is movably connected with the indexing handle, the indexing handle is in a rotary structure through the crank and the rotary screw rod, and a direct indexing structure is formed through the machine body and the vernier ring.

Preferably, the vernier ring includes calibrated scale, calibrated scale locking screw and end cover, and the right side of vernier ring is connected with the calibrated scale, the top of calibrated scale is provided with calibrated scale locking screw, and the end cover is installed on the right side of calibrated scale.

Preferably, the vernier ring is movably connected with the dial, the indexing disc is movably and fixedly connected with the scale ring locking screws, and the dial is of a rotating structure through the scale ring locking screws.

Preferably, the locator includes stand, shell, internal gear, gear and pivot, and the left side internally mounted of locator has the stand, and the top of stand installs the shell, the below of stand is connected with the internal gear, and the inside of internal gear is provided with the gear, the internally connected with of gear has rotatory screw rod.

Preferably, be swing joint between locator and the stand, and be fixed connection between stand and the internal gear, the locator passes through and is the circulation extending structure between stand and the internal gear, be swing joint between internal gear and the gear, and the internal gear passes through and is revolution mechanic between gear and the rotatory screw rod.

Preferably, the fixer is movably connected with the displacement groove, and the fixer forms a fixed positioning structure with the displacement groove through the locking nut.

Compared with the prior art, the invention has the following beneficial effects:

1. according to the invention, the rotating shaft above the machine barrel is controlled by finding the T-shaped size of two different large snacks through the rotating screw in the machine barrel, and the rotating screw is also arranged in the rotating shaft to transmit kinetic energy to the upper connecting positioner, so that the workbench and the positioner can have a stable running difference through different gear numbers and distances of the large T-shaped gears and the small T-shaped gears, and a workpiece can be machined.

2. According to the invention, the groove is designed in the workbench, the piston operating mechanism is arranged in the groove to control the gear arranged on the positioner, and the gear groove of the gear workpiece can be completely and uniformly machined by the back-and-forth expansion of the piston operating mechanism until the next gear groove is finished.

3. The invention has the advantages that the two sliding grooves are arranged above the workbench, the fixer is arranged in the sliding grooves, the function is realized in order to ensure that the gear workpiece shakes during processing, the circular threaded hole is arranged below the fixer, the displacement groove is also arranged below the workbench, so when the tightening nut penetrates through the displacement groove and the threaded hole to tightly lock and fix the gear workpiece and the workbench, the workpiece is kept stable in a processed chamber, and gears with different sizes and gear workpieces of different types can be processed by the workbench through the design. .

Drawings

FIG. 1 is a schematic front view of a universal index head for gear machining according to the present invention;

FIG. 2 is a schematic top view of the universal index head for gear machining according to the present invention;

FIG. 3 is a schematic structural view of a universal index head workbench for gear machining according to the present invention;

FIG. 4 is a schematic structural view of a universal index ring for gear machining according to the present invention;

fig. 5 is a schematic diagram of a large structure of the universal dividing head positioner for gear processing.

In the figure: 1. a base; 2. a body; 3. a cursor ring; 301. a dial scale; 302. a dial locking screw; 303. end cover 4, graduated disk; 5. indexing a shifting fork; 6. rotating the screw; 7. a crank; 8. positioning pins; 9. an indexing handle; 10. a change gear input shaft; 11. a worm handle is disengaged; 12. the main shaft locks the handle; 13. a chuck; 14. a barrel; 15. a rotating shaft; 16. a work table; 17. a positioner; 1701. a column; 1702. a housing; 1703. internal gear 1704, gear; 1705. a rotating shaft; 18. a holder; 19. locking the fixing nut; 20. a displacement groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative efforts based on the embodiments of the present invention belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: a universal dividing head for gear machining comprises a base 1, a machine body 2, a vernier ring 3, a dial 301, dial locking screws 302, an end cover 303, an indexing disc 4, an indexing fork 5, a rotating screw 6, a crank 7, a positioning pin 8, an indexing handle 9, a change gear input shaft 10, a falling worm handle 11, a main shaft locking handle 12, a chuck 13, a machine barrel 14, a rotating shaft 15, a workbench 16, a positioner 17, a stand 1701, a shell 1702, an internal gear 1703, a gear 1704, a rotating shaft 1705, a fixer 18, a locking fixing nut 19 and a displacement groove 20, wherein the machine body 2 is fixedly installed above the base 1, the vernier ring 3 is installed outside the machine body 2, the dial 301 is connected to the right side of the vernier ring 3, the scale locking screws 302 are arranged above the dial 301, the end cover 303 is installed on the right side of the dial 301, when the requirement on the precision of a workpiece is low, the indexing of the angle of the workpiece can be realized by utilizing the scales on the indexing dial 301 and the vernier ring 3, the indexing of every circle of the indexing dial 301 is 9 degrees, the reading of every small grid on the dial 301 is 1 degree, the reading of every small grid on the vernier ring 3 is 10 degrees, the inner measurement of the vernier ring 3 is provided with the indexing disc 4, the surface of the indexing disc 4 is provided with the indexing shifting fork 5, one end of the indexing shifting fork 5 is connected with the rotary screw 6, one end of the rotary screw 6 is provided with the crank 7, the lower part of the crank 7 is provided with the positioning pin 8, the upper part of the crank 7 is connected with the crank 9, the right side of the machine body 2 is provided with the hanging wheel input shaft 10, the upper part of the right side of the machine body 2 is provided with the dropping worm handle 11, the upper part of the machine body 2 is connected with the main shaft locking handle 12, the right side of the machine body 2 is connected with the, a workbench 16 is connected above the rotating shaft 15, a positioner 17 is arranged in the workbench 16, and a pillar 1702 is installed inside the left side of the retainer 17, and a housing 1702 is installed above the pillar 1701, an inner gear 1703 is connected below the pillar 1701, and a gear 1704 is provided inside the internal gear 1703, a rotary screw 1705 is connected inside the gear 1704, the design is convenient for the disassembly and assembly of the parts, can ensure the reliability of connection in the operation and prevent the loosening of the parts, structurally, the impact of stress concentration can be reduced, the wear resistance between parts is better, the requirements of higher precision and surface roughness are met, the strength, rigidity and stability in operation are good enough, a fixer 18 is arranged above the workbench 16, and a locking nut 19 is installed below the holder 18, and a displacement groove 20 is installed below the locking nut 19.

The working principle of the embodiment is as follows: when a workpiece is arranged on a workbench 16, the gear processing dividing head device is arranged above a positioner 17, the two sides of the workpiece are clamped in the middle of a gear groove of the workpiece through a fixer 19, the workpiece is fixedly rotated through a displacement groove 19 and a locknut inlet 20 designed below the workbench 16 to be fixed on the workbench 16, an index plate 4 arranged on a machine body 2 is adjusted through a calculated angle, the position of an index fork 4 and the angle of a dial 301 are adjusted on the index plate 4, a crank 7 arranged on a rotating screw rod 6 starts to rotate an index handle 9, the rotating screw rod 6 is driven to transmit power to a rotating shaft 15 designed inside a machine barrel 14 through the structure inside the machine body 2 through the rotation of the index handle 9, two T-shaped gears with different sizes are respectively arranged at one end of a transmission rod, the positioner 17 connected to the T-shaped gears and the workbench 16 are driven through the rotation of the transmission rod, and the positioner 17 inputs power to the internal gear 1703 through the gear 1704 arranged above the internal rotating shaft 1705, and drives the column 1702 arranged above the internal gear 1703, so that the positioner 17 drives the workpiece to perform reciprocating telescopic operation, and the workbench 16 starts to rotate by matching with the telescopic speed of the positioner 17 through the operation of the rotary screw 15, and finally the processing requirement of the workpiece is completed.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a gear machining uses omnipotent dividing head, includes base (1), its characterized in that: the upper part of the base (1) is fixedly provided with a machine body (2), the outer part of the machine body (2) is provided with a cursor ring (3), the inner measurement of the cursor changing (3) is provided with an index plate (4), the surface of the index plate (4) is provided with an index fork (5), one end of the index fork (5) is connected with a rotary screw rod (6), one end of the rotary screw rod (6) is provided with a crank (7), the lower part of the crank (7) is provided with a positioning pin (8), the upper part of the crank (7) is connected with a crank (9), the right side of the machine body (2) is provided with a hanging wheel input shaft (10), the upper part of the right side of the machine body (2) is provided with a falling worm handle (11), the upper part of the machine body (2) is connected with a main shaft locking handle (12), the right side of the machine body (2) is connected with a chuck (13), the left side, and pivot (15) are installed to the top of barrel (14), the top of pivot (15) is connected with workstation (16), and the internally mounted of workstation (16) has locator (17), fixer (18) are installed to the top of workstation (16), and the below of fixer (18) installs lock nut (19), displacement groove (20) are installed to the below of lock nut (19).

2. The universal index head for gear machining according to claim 1, wherein: one side of the outer wall of the machine body (2) is convexly connected with the cursor ring (3), and the machine body (2) is movably connected with the cursor ring (3).

3. The universal index head for gear machining according to claim 1, wherein: the indexing disc (4) is movably connected with the rotating screw rod (6), the indexing disc (4) is movably connected with the indexing shifting fork (5), and the indexing disc (4) is of an angle indexing structure through the rotating screw rod (6) and the indexing shifting fork (5).

4. The universal index head for gear machining according to claim 1, wherein: the rotary screw rod (6) is movably connected with the crank (7), the crank (7) is movably connected with the indexing handle (9), the indexing handle (9) is in a rotary structure through the crank (7) and the rotary screw rod (6), and a direct indexing structure is formed through the machine body (2) and the vernier ring (3).

5. The universal index head for gear machining according to claim 1, wherein: the vernier ring (3) comprises a dial (301), a dial locking screw (302) and an end cover (303), the right side of the vernier ring (3) is connected with the dial (301), the dial locking screw (302) is arranged above the dial (301), and the end cover (303) is installed on the right side of the dial (301).

6. The universal index head for gear machining according to claim 5, wherein: be swing joint between index ring (3) and calibrated scale (301), and be activity fixed connection between graduated scale (301) and scale ring set screw (302), calibrated scale (301) are through being revolution mechanic between scale ring set screw (302).

7. The universal index head for gear machining according to claim 1, wherein: the locator (17) includes stand (1701), shell (1702), internal gear (1703), gear (1704) and pivot (1705), and the left side internally mounted of locator (17) has stand (1702), and shell (1702) are installed to the top of stand (1701), the below of stand (1701) is connected with internal gear (1703), and the inside of internal gear (1703) is provided with gear (1704), the internally connected of gear (1704) has rotatory screw (1705).

8. The universal index head for gear machining according to claim 7, wherein: the positioner (17) is movably connected with the upright post (1701), the upright post (1701) is fixedly connected with the inner gear (1703), the positioner (17) is in a circulating telescopic structure through the upright post (1701) and the inner gear (1703), the inner gear (1703) is movably connected with the gear (1704), and the inner gear (1703) is in a rotating structure through the gear (1704) and the rotating screw (1705).

9. The universal index head for gear machining according to claim 1, wherein: the fixer (18) is movably connected with the displacement groove (20), and the fixer (18) forms a fixed positioning structure with the displacement groove (20) through a locking nut (19).