CN118143321A - Positioning and perforating device and method for driving wheel machining - Google Patents

Abstract

The invention relates to the technical field of gear perforating equipment, and particularly discloses a positioning perforating device and a positioning perforating method for processing a driving wheel. The invention has the advantages of accurate gear positioning and hole site determination, convenience in operation, accuracy and stability, flexibility and applicability: can adjust according to different gear size and aperture demands, can install equipment on drilling machine according to specific demand simultaneously, also can carry out manual operation for application scope is wider, through predetermined hole site, combines accurate location and stability, can realize efficient drilling processing, has improved production efficiency and product quality.

Description

Positioning and perforating device and method for driving wheel machining

Technical Field

The invention relates to the technical field of gear perforating equipment, in particular to a positioning perforating device and method for processing a driving wheel.

Background

The driving wheel is used for transmitting power from one part of the machine to the other part, and the gear is used for outputting power to other gears with transmission functions to perform power transmission so as to achieve the rotation function; however, the driving wheel only directly acts on the power end of the engine, the motor and the like, and other corresponding rotation is driven wheels; in the installation and use process of the driving wheel, not only the central hole site, but also other hole sites are used for installation and fixation; when the driving wheel is installed, after the gears with corresponding diameters and tooth numbers are selected, the positions required to be installed are not necessarily matched, because the hole site diameters on the gears or other corresponding matched and fixed hole sites do not exist to meet the installation requirements, corresponding vacancies are required to be opened manually, or in the gear production process, the hole sites opened by different gears are different, and the hole diameters are also different, so that the positioning and perforating device for the driving wheel processing is designed.

Disclosure of Invention

The invention aims to provide a positioning and perforating device and a positioning and perforating method for driving wheel processing, which are used for solving the problems in the background technology.

In order to solve the problems, the invention provides the following technical scheme: the utility model provides a drive wheel processing is with location trompil device, includes major structure, centering structure and centering structure, centering structure movable mounting is on major structure, the fixed setting of centering structure is on major structure, and is located centering structure right side.

Preferably, the main body structure comprises a base, a first bearing, a shaft lever, two pairs of struts, a controller, a gear shifting column, a first bolt and a sleeve column; the base is rectangular structure, and is close to four corners position department and all offered the installation through-hole, a plurality of gear shifting screw holes have been offered to base front end middle part equidistance, first bearing is fixed to be inlayed in the base left end upper wall and be located the central line, the fixed cartridge of axostylus axostyle one end is in first bearing center, two pairs pillar one end is fixed to be set up in first bearing rear side respectively equidistance, and arrange around first bearing, the controller is fixed to be set up in the base right-hand member upper wall, and is close to the front side and be provided with the power cord, gear shifting post demountable arrangement is in base upper wall and is located gear shifting screw hole position department, first bolt activity runs through in gear shifting post and activity connects in gear shifting screw hole, sleeve post one end is fixed to be set up in the base upper wall, and is located gear shifting post right side, the sleeve post is located base upper wall central line front side.

Preferably, the centering structure comprises a driving disc, a driving rod, a spring, a limiting disc, two pairs of second bolts, three driving seats, three sliding rods and three clamping seats; the driving disc is of a circular structure, three arc poking grooves which are arranged clockwise are formed in the middle of the upper wall at equal intervals, three through sliding grooves are formed in the middle of the driving disc at equal intervals and correspond to the poking grooves respectively, the driving disc is fixedly sleeved on the shaft rod and can rotate through the shaft rod, the driving rod is of a T shape, one end of the driving rod can be detachably and rotatably connected to the side wall of the driving disc, the driving rod can be attached to a gear shifting column, the other end of the driving rod is located above, the two ends of the spring are fixedly connected to the sleeve column and the other end of the driving rod respectively, the limiting disc is of a circular structure, the diameter of the limiting disc is larger than that of the driving disc, three through sliding grooves are formed in the middle of the driving disc at equal intervals and correspond to the poking grooves respectively, the limiting disc is fixedly arranged on two pairs of struts, the limiting disc is located above the driving disc, the center of the limiting disc and the driving disc are on the same vertical line, two pairs of second bolts respectively movably penetrate through the limiting disc and respectively and rotatably connected to the struts, the three driving seats are of an H-shaped structure, the three driving seats are movably clamped in the top ends of the driving disc are respectively, the three driving seats are respectively arranged at the top ends of the three clamping seats are respectively, the top ends of the driving disc are respectively, the three clamping seats are respectively arranged at the top ends of the driving disc are respectively, the top ends are respectively and the top ends of the driving disc are respectively, and the top ends are respectively fixed at the top ends, and the top ends are respectively, and the two ends are respectively, and the driving discs are respectively.

Preferably, the fixed hole structure comprises a driving frame, a first motor, a screw rod, a moving block, a support arm, a second motor, a swinging arm, a jacking bolt and a plurality of hole plates; the utility model provides a fixed constitution in base right-hand member upper arm middle part, and the drive frame other end is located spacing dish right side, the movable groove has been seted up at drive frame upper wall middle part, first motor is fixed to be set up in drive frame right side wall and is close to the top middle part, and first motor drive end activity run through in the drive frame and be located the movable groove, hob one end fixed connection is on first motor drive end, and the other end activity run through in the drive frame other end, hob level is located movable groove middle part below, movable block one end activity run through in the movable groove, and the activity connects soon on the hob, the support arm is L type, support arm one end fixed set up in the movable block upper wall, the fixed setting of second motor is on the support arm other end, and the activity of second motor drive end is run through in the support arm other end, the socket has been seted up at swing arm other end lateral wall middle part, the jack is screwed in swing arm other end upper wall, and is linked together with the hob, a plurality of jack and can be set up through a plurality of jack holes on the support arm, a plurality of jack can be installed respectively to the disc through the jack.

Preferably, the upper wall at the other end of the moving block and the upper wall of the driving frame are on the same horizontal plane.

Preferably, the orifice plate is movable above the drive seat.

Preferably, when the gear shifting column is positioned at the right-most gear shifting threaded hole, the driving rod is attached to the gear shifting column, and the driving seats are respectively minimum in relative distance and converged in the middle of the limiting disc.

Preferably, when the driving rod moves leftwards and rotates, the driving seat relatively moves away from sliding.

The application method of the positioning and perforating device for driving wheel machining comprises the following steps:

step one, moving the driving rod to enable the driving seats to be relatively separated, clamping the gear between the three driving seats by means of the acting force of the spring to limit and fix the gear, and positioning the gear in the center of the limiting disc to center the gear;

step two, a controller in the main body structure controls a hole disc in the hole forming structure to move to a corresponding position above the gear according to the diameter of the machined gear and the size of the empty space, so that a corresponding space to be machined on the hole disc is matched with the corresponding position of the gear;

step three, drilling holes are processed through manual electric drill equipment, and the equipment can be fixed on a corresponding drilling machine for use.

The positioning and perforating device and method for driving wheel machining provided by the invention have the beneficial effects that:

1. gear positioning and accurate determination of hole site: the gears are positioned at the center part through synchronous movement of the three driving seats, so that the accurate positions of the gears are ensured; the fixed hole structure is controlled to drive by combining the main body structure, so that a hole disc with a prefabricated corresponding aperture can be moved to the upper part of the gear, the aperture is ensured to be matched with the punching position of the gear, the accurate determination of the hole position is ensured, and the error is avoided.

2. Convenience of operation: the operation is relatively simple and visual, and when the drilling equipment is used for operating, an operator only needs to drill holes according to preset hole sites, so that the operation difficulty and complexity are reduced; meanwhile, the scheme can be installed on a drilling machine for use, so that the process flow is more efficient.

3. Accuracy and stability: the design of synchronous movement of the three driving seats is adopted, so that the accurate positioning and stability of the gears can be realized; the accurate alignment of the gear and the hole site can be ensured, so that the machining precision and stability are improved.

4. Flexibility and applicability: the scheme design is relatively flexible, can adjust according to different gear sizes and aperture demands, simultaneously, can install equipment on the drilling machine according to specific demands, also can carry out manual operation for application scope is wider.

5. And (3) high-efficiency processing: through the well-determined hole site, the high-efficiency drilling processing can be realized by combining accurate positioning and stability, and the production efficiency and the product quality are improved.

Drawings

Fig. 1 is a schematic view of an assembly structure of the present invention.

Fig. 2 is a schematic view of a mounting and use display structure of the present invention.

Fig. 3 is a schematic diagram of a split structure of the present invention.

Fig. 4 is a schematic view of a partially assembled structure of the present invention.

Fig. 5 is a schematic view of the partial structure of fig. 4 according to the present invention.

Fig. 6 is an enlarged view of a portion of fig. 3 according to the present invention.

Fig. 7 is a partial enlarged view of the present invention at B in fig. 1.

Fig. 8 is a partial enlarged view of the present invention at C in fig. 1.

In the figure: 1. a main body structure; 11. a base; 12. a first bearing; 13. a shaft lever; 14. a support post; 15. a controller; 16. a gear shifting column; 17. a first bolt; 18. a sleeve column; 2. a centering structure; 21. a drive plate; 22. a driving rod; 23. a spring; 24. a limiting disc; 25. a second bolt; 26. a driving seat; 27. a slide bar; 28. a clamping seat; 3. a fixed hole structure; 31. a drive rack; 32. a first motor; 33. a screw rod; 34. a moving block; 35. a support arm; 36. a second motor; 37. a swing arm; 38. a jack bolt; 39. a hole plate.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

Referring to fig. 1-8, the present invention provides a technical solution: the positioning and perforating device for driving wheel machining comprises a main body structure 1, a centering structure 2 and a centering hole structure 3, wherein the centering structure 2 is movably arranged on the main body structure 1, and the centering hole structure 3 is fixedly arranged on the main body structure 1 and is positioned on the right side of the centering structure 2; the gear is positioned at the central part through the centering structure 2, and the corresponding hole site is positioned at the corresponding processing position of the gear through the main body structure 1 and the control of the centering structure 3.

As a further aspect of the present invention, the main body structure 1 includes a base 11, a first bearing 12, a shaft 13, two pairs of struts 14, a controller 15, a shift column 16, a first bolt 17, and a sleeve column 18; the base 11 is of a rectangular structure, mounting through holes are formed in positions close to four corners, a plurality of gear shifting threaded holes are formed in the middle of the front end of the base 11 at equal intervals, the first bearing 12 is fixedly embedded in the upper wall of the left end of the base 11 and located on a central line, one end of the shaft rod 13 is fixedly inserted in the center of the first bearing 12, one ends of two pairs of support posts 14 are respectively fixedly arranged on the rear side of the first bearing 12 at equal intervals and are arrayed around the first bearing 12, the controller 15 is fixedly arranged on the upper wall of the right end of the base 11 and close to the front side and provided with a power line, the gear shifting column 16 is detachably arranged on the upper wall of the base 11 and located at the position of the gear shifting threaded holes, the first bolt 17 movably penetrates through the gear shifting column 16 and is movably screwed into the gear shifting threaded holes, one end of the sleeve post 18 is fixedly arranged on the upper wall of the base 11 and located on the right side of the gear shifting column 16, and the sleeve post 18 is located on the front side of the central line of the upper wall of the base 11; the centering structure 2 can be driven to rotate by means of the first bearing 12 to realize clamping through the support of the base 11, the centering structure 2 can be limited through the gear shifting column 16, corresponding adjustment of different diameters is realized, and the fixed hole structure 3 can be driven to work through the controller 15.

As a further solution of the present invention, the centering structure 2 comprises a driving disc 21, a driving rod 22, a spring 23, a limiting disc 24, two pairs of second bolts 25, three driving seats 26, three sliding rods 27 and three clamping seats 28; the driving disk 21 is of a circular structure, three arc poking grooves which are arranged clockwise are formed in the middle of the upper wall at equal intervals, two ends of each poking groove are respectively close to the center and the outer side wall of the driving disk 21, the driving disk 21 is fixedly sleeved on the shaft rod 13 and can rotate through the shaft rod 13, the driving rod 22 is of a T shape, one end of the driving rod 22 is detachably and rotatably connected to the side wall of the driving disk 21, the driving rod 22 can be attached to the gear shifting column 16, the other end of the driving rod 22 is located above, two ends of the spring 23 are respectively fixedly connected to the sleeve column 18 and the other end of the driving rod 22, the limiting disk 24 is of a circular structure, the diameter of the limiting disk is larger than that of the driving disk 21, three through sliding grooves are formed in the middle of the driving disk 21 at equal intervals and correspond to the poking grooves respectively, the limiting disc 24 is fixedly arranged on the two pairs of struts 14, the limiting disc 24 is positioned above the driving disc 21, the circle center of the limiting disc 24 and the circle center of the driving disc 21 are on the same vertical line, two pairs of second bolts 25 respectively penetrate through the limiting disc 24 movably and are respectively screwed into the struts 14, three driving seats 26 are of H-shaped structures, the three driving seats 26 are respectively clamped in sliding grooves movably, the top end height of the driving seats 26 is larger than the bottom end height, one ends of three sliding rods 27 are respectively fixedly arranged in the middle of the bottom end lower wall of the driving seats 26, the other ends of the three sliding rods 27 are respectively inserted in the poking grooves of the driving disc 21 movably, the three clamping seats 28 are of L shape, the width of one ends of the three clamping seats 28 is smaller than the width of the other ends of the three clamping seats 28, and one ends of the three clamping seats 28 are respectively fixedly arranged on the top end upper wall of the driving seats 26; the driving plate 21 can be driven to rotate by moving the driving rod 22, and the sliding rod 27 is driven to move by a poking groove on the driving plate 21, so that the driving seat 26 is driven to move relatively or oppositely.

As a further scheme of the invention, the fixed hole structure 3 comprises a driving frame 31, a first motor 32, a screw rod 33, a moving block 34, a support arm 35, a second motor 36, a swinging arm 37, a jacking bolt 38 and a plurality of hole plates 39; one end of the driving frame 31 is fixedly arranged in the middle of an upper arm at the right end of the base 11, the other end of the driving frame 31 is positioned on the right side of the limiting disc 24, a moving groove is formed in the middle of the upper wall of the driving frame 31, the first motor 32 is fixedly arranged on the right side wall of the driving frame 31 and is close to the middle of the top end, the driving end of the first motor 32 movably penetrates through the driving frame 31 and is positioned in the moving groove, one end of the spiral rod 33 is fixedly connected to the driving end of the first motor 32, the other end of the spiral rod 33 movably penetrates through the other end of the driving frame 31, the spiral rod 33 is horizontally positioned below the middle of the moving groove, one end of the moving block 34 movably penetrates through the moving groove and is movably connected to the spiral rod 33, the upper wall of the other end of the moving block 34 and the upper wall of the driving frame 31 are in the same horizontal plane, one end of the supporting arm 35 is in an L shape, one end of the supporting arm 35 is fixedly arranged on the upper wall of the moving block 34, the second motor 36 is fixedly arranged on the other end of the supporting arm 35, the driving end of the second motor 36 is movably penetrates through the other end of the supporting arm 35, one end of the swinging arm 37 is fixedly arranged on the driving end of the second motor 36, one end of the swinging arm 37 can turn over the other end of the supporting arm 35, the other end of the swinging arm 37 is horizontally arranged on the side of the supporting arm 35, the other end of the side of the supporting arm 37, the other end of the supporting arm 37 is horizontally and is horizontally provided with a plurality of inserting holes, the upper end of movable insertion holes 39 are respectively, the movable insertion holes are respectively, the upper wall 39 can be detachably connected to the upper wall of the movable insertion holes of the movable arm 37, and the upper wall are respectively, and the upper wall are arranged on the upper wall and the upper plug holes are respectively; through the support of the driving frame 31, the first motor 32 can drive the screw rod 33 to rotate, the moving block 34 is driven by the support arm 35 to move, the hole adjustment disc 39 is moved relative to the gear feed, and the hole adjustment disc 39 can also be driven by the second motor 36 to rotate by a certain angle to adjust the hole position.

As a further aspect of the invention, the orifice disc 39 can be moved over the drive seat 26 for design requirements to achieve alignment of the machined gear orifice.

As a further scheme of the invention, when the gear shifting column 16 is positioned at the rightmost gear shifting threaded hole, the driving rod 22 is attached to the gear shifting column 16, the driving seats 26 are respectively at the minimum relative distance and converged in the middle of the limiting disc 24, and the gear shifting column is used for realizing clamping and positioning of the gears by means of the acting force of the springs 23 in a design requirement.

As a further aspect of the present invention, the drive seat 26 slides relatively far away as the drive rod 22 is moved to the left for adjusting gears of different diameters.

Working principle: firstly, horizontally placing equipment through a base 11, and switching on a controller 15; then, the driving rod 22 in the centering structure 2 is moved to stretch the spring 23 between the driving rod 22 and the loop rod to store force, the driving disc 21 returns to force to rotate on the first bearing 12 by virtue of the shaft rod 13, the sliding rod 27 is driven to move under force by virtue of the arc-shaped poking groove, the driving seats 26 are driven to be relatively separated on the limiting disc 24, a gear can be placed between one ends of the three driving seats 26, the other end of the driving seat 26 is clamped and fixed with the gear by virtue of the acting force of the spring 23, and the gear is positioned above the limiting disc 24 to suspend in the center;

By means of the controller 15 in the main body structure 1, according to the diameter of the gear and the position requirement of a hole to be machined, the first motor 32 on the driving frame 31 is controlled to drive the screw rod 33 to rotate, so that the moving block 34 is forced to move towards the limiting disc 24, and the hole disc 39 arranged on the swinging arm 37 is driven to move to the position above the gear;

the second motor 36 above the support arm 35 drives the hole disc 39 to adjust the position above the gear, so that the corresponding aperture and the corresponding processing position of the gear are positioned relatively; the drill bit of the drilling equipment can be manually drilled through the aperture of the hole disc 39 and contacted with the gear;

the equipment can be fixed on a corresponding drilling machine through the base 11, and the drilling of the drilling machine can be moved or the lower wall of the base 11 is arranged on a cross-shaped sliding rail to be moved for use;

Before the equipment is positioned and used, if gears with the same size are processed frequently, the position of the gear shifting column on the base 11 can be changed by adjusting the first bolt 17, so that the position of the driving rod 22 is changed, the relative distance between the driving seats 26 before clamping and positioning of the gears is adjusted, and the angle of the swinging driving rod 22 can be reduced before processing the gears; and meanwhile, the different hole plates 39 can be replaced by the jacking bolts 38.

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 therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (8)

1. The positioning and perforating device for the driving wheel machining is characterized by comprising a main body structure (1), a centering structure (2) and a centering structure (3), wherein the centering structure (2) is movably arranged on the main body structure (1), and the centering structure (3) is fixedly arranged on the main body structure (1) and positioned on the right side of the centering structure (2);

The main body structure (1) comprises a base (11), a first bearing (12), a shaft lever (13), two pairs of support posts (14), a controller (15), a gear shifting post (16), a first bolt (17) and a sleeve post (18);

The base (11) is rectangular in structure, mounting through holes are formed in the positions close to four corners, a plurality of gear shifting threaded holes are formed in the middle of the front end of the base (11) at equal intervals, the first bearing (12) is fixedly embedded in the upper wall of the left end of the base (11) and located on a central line, one end of the shaft rod (13) is fixedly inserted in the center of the first bearing (12), two pairs of support posts (14) are fixedly arranged at the rear side of the first bearing (12) at equal intervals respectively and are arranged around the first bearing (12), the controller (15) is fixedly arranged on the upper wall of the right end of the base (11) and is close to the front side and is provided with a power line, the gear shifting post (16) is detachably arranged on the upper wall of the base (11) and located at the position of the gear shifting threaded holes, the first bolt (17) movably penetrates through the gear shifting post (16) and is movably connected in the gear shifting threaded holes in a rotating mode, one end of the sleeve post (18) is fixedly arranged on the upper wall of the base (11) and located on the right side of the gear shifting post (16), and the sleeve post (18) is located on the central line of the base (11).

2. The positioning and perforating device for driving wheel machining according to claim 1, characterized in that the centering structure (2) comprises a driving disc (21), a driving rod (22), a spring (23), a limiting disc (24), two pairs of second bolts (25), three driving seats (26), three sliding rods (27) and three clamping seats (28);

The driving disc (21) is of a circular structure, three arc poking grooves which are arranged clockwise are formed in the middle of the upper wall at equal intervals, two ends of each poking groove are respectively close to the center and the outer side wall of the driving disc (21), the driving disc (21) is fixedly sleeved on the shaft rod (13) and can rotate through the shaft rod (13), the driving rod (22) is of a T shape, one end of the driving rod (22) is detachably and rotatably connected to the side wall of the driving disc (21), the driving rod (22) can be attached to the gear shifting column (16), the other end of the driving rod (22) is located above, two ends of the spring (23) are respectively fixedly connected to the sleeve column (18) and the other end of the driving rod (22), the limiting disc (24) is of a circular structure, the diameter of the limiting disc is larger than that of the driving disc (21), three through sliding grooves are formed in the middle of the driving disc (21) at equal intervals and respectively corresponding to the poking grooves, the limiting disc (24) is fixedly arranged on two pairs of supporting columns (14), the limiting disc (24) are located above the driving disc (21) and are respectively perpendicular to the center of the driving disc (24) and are respectively connected to the center of a circle of the driving disc (25) in a perpendicular mode, two center of the driving disc (24) and the center of the circle (25) are respectively arranged in the center of the circle, and the top of the driving seat (26) is higher than the bottom, one ends of the three sliding rods (27) are respectively fixedly arranged in the middle of the bottom lower wall of the driving seat (26), the other ends of the sliding rods are respectively movably inserted into the poking grooves of the driving disc (21), the three clamping seats (28) are L-shaped, one end width of each clamping seat is smaller than the other end width, and one ends of the three clamping seats (28) are respectively fixedly arranged on the upper wall of the top of the driving seat (26).

3. The positioning and perforating device for driving wheel machining according to claim 2, characterized in that the fixed-hole structure (3) comprises a driving frame (31), a first motor (32), a screw rod (33), a moving block (34), a support arm (35), a second motor (36), a swinging arm (37), a jacking bolt (38) and a plurality of hole plates (39);

One end of the driving frame (31) is fixedly arranged in the middle of an upper arm at the right end of the base (11), the other end of the driving frame (31) is positioned below the middle of the moving groove, the middle of the upper wall of the driving frame (31) is provided with a moving groove, the first motor (32) is fixedly arranged on the right side wall of the driving frame (31) close to the middle of the top end, the driving end of the first motor (32) is movably penetrated through the driving frame (31) and positioned in the moving groove, one end of the spiral rod (33) is fixedly connected to the driving end of the first motor (32), the other end of the spiral rod is movably penetrated through the other end of the driving frame (31), the spiral rod (33) is horizontally positioned below the middle of the moving groove, one end of the moving block (34) is movably penetrated through the moving groove and movably connected to the spiral rod (33), the supporting arm (35) is L-shaped, one end of the supporting arm (35) is fixedly arranged on the upper wall of the moving block (34), the second motor (36) is fixedly arranged on the other end of the supporting arm (35), the driving end of the second motor (36) is movably penetrated through the driving end of the first motor (32), the other end of the second motor (36) is rotatably connected to the other end of the supporting arm (37) and is rotatably connected to the other end of the supporting arm (37), the other end of the supporting arm (37) is rotatably connected to the other end of the upper end of the supporting arm (37) and can be rotatably connected to the other end of the upper end of the supporting arm (37), and be linked together with the socket, a plurality of all be provided with the inserted block on hole dish (39), and be provided with a plurality of hole sites on hole dish (39), a plurality of hole dish (39) can be dismantled through the inserted block respectively and settle on swing arm (37).

4. A positioning and perforating device for driving wheel processing according to claim 3, characterized in that the upper wall of the other end of the moving block (34) is on the same horizontal plane with the upper wall of the driving frame (31).

5. A positioning and tapping device for driving wheel machining according to claim 4, characterized in that the tapping plate (39) is movable over the driving seat (26).

6. The positioning and perforating device for driving wheel machining according to claim 5, wherein when the gear shifting column (16) is positioned at the rightmost gear shifting threaded hole position, the driving rod (22) is attached to the gear shifting column (16), and the driving seats (26) are respectively minimum in relative distance and converged in the middle of the limiting disc (24).

7. The positioning and perforating device for driving wheel processing as claimed in claim 6, wherein the driving seat (26) slides relatively far away when the driving rod (22) moves leftwards to rotate.

8. The method of using a positioning and tapping device for driving wheel machining according to claim 7, comprising the steps of:

step one, moving the driving rod (22) to enable the driving seats (26) to be separated relatively, clamping the gear between the three driving seats (26) by means of the acting force of the spring (23) to limit and fix the gear, and enabling the gear to be positioned at the center of the limiting disc (24) to be centered;

Step two, a controller (15) in the main body structure (1) controls a hole disc (39) in the hole forming structure (3) to move to a corresponding position above the gear according to the diameter of the machined gear and the size of the empty space, so that a corresponding space to be machined on the hole disc (39) is matched with the corresponding position of the gear;

step three, drilling holes are processed through manual electric drill equipment, and the equipment can be fixed on a corresponding drilling machine for use.