CN115647254A - Precise gear rolling machine for vehicle driving shaft - Google Patents

Abstract

The invention discloses a precision gear rubbing machine for drive shafts for vehicles, which includes a base assembly and a tooth rubbing mechanism. A feeding assembly assembled with bolts is arranged above one end of the base assembly. The other end of the base assembly A clamping member assembled with bolts is arranged above, and a tooth rolling mechanism assembled with bolts is arranged on the top side of the base assembly. The device of the invention mainly uses the mechanical arm and the pneumatic clamp to clamp and place the workpiece on the feeding assembly, and through the interaction between the feeding assembly and the clamping member, the workpiece is penetrated and fixed in the tooth rolling mechanism. The output power makes the upper rack and the upper rack collide with the workpiece fixed by the feeding component and the clamping member, and the effect of gear rolling is achieved under the reciprocating operation of the driving motor. Because the upper rack and the upper rack interact with each other The opposite directions are distributed in parallel, so that they will not be affected by potential energy, and the stability of tooth rolling will be maintained during tooth rubbing, thereby further improving the processing accuracy.

Description

A precision gear rubbing machine for drive shafts for vehicles

technical field

The invention relates to the technical field of gear rubbing machines, in particular to a precision gear rubbing machine for vehicle drive shafts.

Background technique

With the development of modern social economy and the deepening of industrialization and technological progress, all walks of life have realized semi-mechanization or even full-machine automation. Vehicle drive shafts are widely used in mechanical equipment, and almost all machinery and mechanisms must be used. , the traditional production of drive shafts for vehicles is processed by gear rubbing machines.

When the existing gear rolling machine is in use, generally two identical tooth shapes whose thread rolling surface has the same helix angle as the tooth shape of the bolt thread are used, and the thread between the two thread rolling plates is moved when the thread rolling plates move mutually. Bolt blanks are screwed out to achieve the effect of processing. For example, CN201610033315.5 in the application number provides a gear rolling machine, which belongs to the field of mechanical equipment. It solves the problem of low precision and low processing efficiency of existing gear rolling machines High problem, this gear rolling machine includes a bed, a gear rolling mechanism and a feeding mechanism installed in the bed; however, in the above technology, the processing position of the gear rolling is a vertical structure, which will be affected by potential energy during the up and down operation , during the gear rubbing process, the reciprocating gear rubbing force may change, which is not conducive to the improvement of the precision of the gear rubbing process. Therefore, we propose a precision gear rubbing machine for vehicle drive shafts to solve the above problems.

Contents of the invention

In view of the above problems, the present invention proposes a precision gear rubbing machine for a drive shaft for a vehicle. The precision gear rubbing machine for a drive shaft for a vehicle mainly utilizes the workpiece to be clamped and placed on the feed assembly by a mechanical arm and a pneumatic clamp. Under the interaction between the feeding component and the clamping member, the workpiece is fixed through the tooth rolling mechanism, and the output power of the cylinder is used to make the upper rack and the upper rack collide with the workpiece fixed by the feeding component and the clamping member. The driving motor reciprocates back and forth to achieve the effect of gear rubbing. Since the upper rack and the upper rack are distributed parallel to each other, it will not be affected by potential energy, and the stability of gear rubbing will be maintained during gear rubbing, so that Further improve the processing accuracy.

To achieve the above object, the present invention provides the following technical solutions:

A precision gear rolling machine for drive shafts for vehicles, comprising a base assembly and a tooth rolling mechanism, a feed assembly assembled with bolts is arranged above one end of the base assembly, and a bolt is arranged above the other end of the base assembly Assembled clamping members, the top side of the base assembly is provided with a tooth rolling mechanism assembled with bolts.

As a further technical solution, the base assembly includes a decompression block, a square seat and a base plate, a square seat is provided on the top side of the decompression block, and a base is provided on the top side of the square seat plate.

As a further technical solution, the feed assembly includes a first bolt base, an elevated frame, a feed box, a feed screw, a threaded block, an inner connection block, a bearing sleeve, a motor base, a drive motor, a hydraulic Chuck and clamping head, the first bolt base is arranged above one end of the base plate, the top side of the first bolt base is provided with a raised frame, and the top side of the raised frame is provided with A feed box, the feed box is threadedly connected with a threaded block through a feed screw, and the inner side of the threaded block is provided with an inner connecting block.

As a further technical solution, the inner side of the inner connecting block is provided with a socketed bearing sleeve, one end of the bearing sleeve passes through the motor base and is connected to the output end of the drive motor, and the bearing sleeve The other end is provided with a hydraulic chuck, and the outer side of the hydraulic chuck is provided with annularly distributed clamping heads.

As a further technical solution, the clamping member includes a second bolt base, a double bracket, a bolt hole clamp, an abutment seat, a top plate, a top frame, an electric rotating seat, a power arm and a pneumatic clamp. The second bolt base is arranged above the other end of the base plate, the top side of the second bolt base is provided with a double link, and the side of the double link is provided with a bolt hole clip for bolt assembly , the rear side of the bolt hole clip is provided with an abutment seat, and the top side of the bolt hole clip is provided with a top sheet.

As a further technical solution, a top frame is provided on the top side of the top sheet, and an electric rotating seat is provided under one end of the top frame, and a power arm driven by a hinge is provided on the inner side of the electric rotating seat. , and one end of the power arm is provided with a pneumatic clamp.

As a further technical solution, the tooth rolling mechanism includes a third bolt base, a first side frame, a second side frame, a bolt groove plate, a bearing ring sleeve, a top plate, a driving cylinder, a telescopic frame, an upper slide box, Upper sliding bar, upper sliding block, bolt clamping block, upper rack, shock absorber, lower box, lower bar, lower slider and lower rack, the third bolt base is arranged on the top of the base plate side, above the two ends of the third bolt base is provided with a first side frame, and the side of the first side frame is provided with a second side frame, and the outer side of the second side frame is provided with a bolt groove plate, and the outer side of the bolt groove plate is provided with a bearing ring that is fitted with bolts, and the top side of the first side frame and the second side frame is provided with a top plate.

As a further technical solution, the inner bottom side of the top plate is provided with a telescopic frame connected to the output end of the drive cylinder, and one end of the telescopic frame is provided with an upper sliding box, and the upper sliding box is slidably connected by an upper sliding rod. There is an upper slider, and the lower part of the upper slider is equipped with an upper rack through bolt clamping bolts.

As a further technical solution, the top side of the first side frame is provided with a shock absorber, and the top side of the shock absorber is provided with a slide box, and the slide box is slidably connected to a slide box through a slide bar. block, the top side of the lower block is provided with a bolt-fitted lower rack.

Compared with prior art, the beneficial effect of the present invention is:

The device of the invention mainly uses the mechanical arm and the pneumatic clamp to clamp and place the workpiece on the feeding assembly, and through the interaction between the feeding assembly and the clamping member, the workpiece is penetrated and fixed in the tooth rolling mechanism. The output power makes the upper rack and the upper rack collide with the workpiece fixed by the feeding component and the clamping member, and the effect of gear rolling is achieved under the reciprocating operation of the driving motor. Because the upper rack and the upper rack interact with each other The opposite directions are distributed in parallel, so that they will not be affected by potential energy, and the stability of tooth rolling will be maintained during tooth rubbing, thereby further improving the processing accuracy.

Description of drawings

Fig. 1 is a structural schematic diagram of a vehicle drive shaft precision gear rubbing machine;

Fig. 2 is the structure schematic diagram looking up among the present invention;

Fig. 3 is the structural representation of feeding assembly among the present invention;

Fig. 4 is the structural representation of power arm and pneumatic clamp in the present invention;

Fig. 5 is the structural representation of tooth rubbing mechanism among the present invention;

Fig. 6 is a structural schematic diagram of the lower slider and the lower rack in the present invention.

In the figure: 1, base assembly; 101, decompression block; 102, square seat; 103, base plate; 2, feeding assembly; 201, first bolt base; 202, elevating frame; 203, feeding box ; Clamping member; 301, second bolt base; 302, double connecting frame; 303, bolt hole clamp; 304, shaft seat; 305, top sheet; 306, top frame; 307, electric rotating seat; 308, power arm; 309. Pneumatic clamp; 4. Thread rubbing mechanism; 401. Third bolt base; 402. First side frame; 403. Second side frame; 404. Bolt groove plate; 405. Bearing ring sleeve; 406. Top plate; 407 , driving cylinder; 408, telescopic frame; 409, upper sliding box; 4010, upper sliding rod; 4011, upper sliding block; 4012, bolt clamp block; 4013, upper rack; 4014, shock absorber; 4016, the lower bar; 4017, the lower slider; 4018, the lower rack.

Detailed ways

In describing the present invention, it should be understood that the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", " The orientations or positional relationships indicated by "vertical", "horizontal", "top", "bottom", "inner" and "outer" are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and Simplified descriptions, rather than indicating or implying that the device or element referred to must have a particular orientation, be constructed and operate in a particular orientation, and thus should not be construed as limiting the invention. In addition, the terms "first", "second", etc. are used for descriptive purposes only, and should not be understood as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Thus, a feature defined as "first", "second", etc. may expressly or implicitly include one or more of that feature. In the description of the present invention, unless otherwise specified, "plurality" means two or more.

In the description of the present invention, it should be noted that unless otherwise specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection or a detachable connection. Connected, or integrally connected; it can be mechanically connected or electrically connected; it can be directly connected or indirectly connected through an intermediary, and it can be the internal communication of two components. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present invention based on specific situations.

The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

Please refer to Figures 1-6. In an embodiment of the present invention, a precision gear-rolling machine for drive shafts for vehicles includes a base assembly 1 and a tooth-rolling mechanism 4. A bolt-mounted feeder is provided above one end of the base assembly 1. In the component 2, a clamping member 3 assembled with bolts is arranged above the other end of the base component 1 , and a thread rolling mechanism 4 assembled with bolts is arranged on the top side of the base component 1 .

The base assembly 1 includes a decompression block 101 , a square seat 102 and a base plate 103 , the top side of the decompression block 101 is provided with the square seat 102 , and the top side of the square seat 102 is provided with the base plate 103 .

In the embodiment of the present invention, by utilizing decompression block 101 square seat 102 is placed on processing site, because decompression block 101 area is larger, therefore have the effect of shock absorption, and four groups of square seat 102 are used to place base plate 103 Supporting is performed so that the base plate 103 assembles the feeding assembly 2 , the clamping member 3 and the tooth rolling mechanism 4 sequentially.

The feed assembly 2 includes a first bolt base 201, an elevated frame 202, a feed box 203, a feed screw mandrel 204, a threaded block 205, an inner connection block 206, a bearing sleeve 207, a motor base 208, a drive motor 209, a hydraulic pressure The chuck 2010 and the clamping head 2011, the first bolt base 201 is arranged above one end of the base plate 103, the top side of the first bolt base 201 is provided with a raised frame 202, and the top side of the raised frame 202 is provided with an advanced The material box 203 and the feed box 203 are threadedly connected with a threaded block 205 through a feed screw 204 , and an inner connection block 206 is arranged on the inner side of the threaded block 205 .

In the embodiment of the present invention, at the very beginning, the threaded block 205 is located at the outermost end of the feed screw 204. At this time, the electric rotating seat 307 on the top frame 306 is started to output power to drive the power arm 308 to run, and the power arm 308 is used to A section of pneumatic clamp 309 places the raw material on the hydraulic chuck 2010, and the raw material is clamped on the inner side of the hydraulic chuck 2010 by the hydraulic chuck 2010 and the clamping head 2011. At this time, the feeding box 203 is started The output power of the material screw rod 204 drives the threaded block 205 to input the raw material carried by the inner connecting block 206 to the processing position of the thread rolling mechanism 4 .

The inner side of the inner connection block 206 is provided with a socketed bearing sleeve 207, one end of the bearing sleeve 207 is connected to the output end of the drive motor 209 through the motor base 208, and the other end of the bearing sleeve 207 is provided with a hydraulic chuck 2010, and Ring-shaped clamping heads 2011 are arranged on the outer side of the hydraulic chuck 2010 .

In the embodiment of the present invention, after the raw material is fixed by the two ends of the feeding assembly 2 and the clamping member 3, the drive motor 209 at one end of the motor base 208 outputs power to drive the output end of the drive motor 209 to perform reciprocating operation, The output end of the driving motor 209 drives the input end of the bearing sleeve 207 to rotate, and the rotation of the input end of the bearing sleeve 207 drives the material clamped by the hydraulic chuck 2010 and the clamping head 2011 to rotate.

The clamping member 3 includes a second bolt base 301, a double connecting frame 302, a bolt hole clamp 303, an abutting shaft seat 304, a top sheet 305, a top frame 306, an electric swivel seat 307, a power arm 308 and a pneumatic clamp 309, the second The bolt base 301 is arranged above the other end of the base plate 103, the top side of the second bolt base 301 is provided with a double connecting frame 302, and the side of the double connecting frame 302 is provided with a bolt hole clamp 303 for bolt assembly, and the bolt The rear side of the hole clip 303 is provided with an abutting shaft seat 304 , and the top side of the bolt hole clip 303 is provided with a top sheet 305 .

In the embodiment of the present invention, when the raw material enters the processing position, it passes through the tooth rubbing mechanism 4, so that the other end of the raw material passes through the bolt hole clamp 303, and then passes through the double connecting frame 302, so that the other end of the raw material is connected with the shaft seat 304. Bearings are attached to secure the machined position.

The top side of the top sheet 305 is provided with a top frame 306, and an electric swivel seat 307 is provided below one end of the top frame 306, and the power arm 308 of a hinge transmission is provided on the inner side of the electric swivel seat 307, and one end of the power arm 308 is provided with There are pneumatic clamps 309 .

In the embodiment of the present invention, when the processing is completed, the tooth rubbing mechanism 4 will separate the upper rack 4013 and the lower rack 4018 from the processing position, and start the feeding assembly 2 to take the product out of the processing position, which is beneficial to the feeding assembly 2. Up against the clamping member 3 , the power arm 308 cooperates with the electric rotating base 307 to facilitate the pneumatic clamp 309 at one end of the power arm 308 to move the product out of the equipment.

The tooth rubbing mechanism 4 comprises a third bolt base 401, a first side frame 402, a second side frame 403, a bolt groove plate 404, a bearing ring sleeve 405, a top plate 406, a drive cylinder 407, a telescopic frame 408, an upper slide box 409, Upper slider 4010, upper slider 4011, bolt clamp 4012, upper rack 4013, shock absorber 4014, lower box 4015, lower rod 4016, lower slider 4017 and lower rack 4018, the third bolt base 401 is set On the top side of the base plate 103, the first side frame 402 is arranged above the two ends of the third bolt base 401, and the side of the first side frame 402 is provided with the second side frame 403, and the second side frame 403 A bolt channel plate 404 is disposed on the outer side, and a bearing ring 405 is disposed on the outer side of the bolt channel plate 404 , and a top plate 406 is disposed on the top side of the first side frame 402 and the second side frame 403 .

In the embodiment of the present invention, because the first side frame 402 and the second side frame 403 are all open structures, and the second side frame 403 is combined with the bolt groove plate 404 and the bearing ring sleeve 405 to form an assembly structure, so it is convenient to The disassembly and assembly by the user is beneficial to heat dissipation of the equipment during the processing of the tooth rubbing mechanism 4 .

The inner bottom side of the top plate 406 is provided with a telescopic frame 408 connected to the output end of the drive cylinder 407, and one end of the telescopic frame 408 is provided with an upper slide box 409, and the upper slide box 409 is slidably connected with an upper slide block 4011 through an upper slide bar 4010. The bottom of the slide block 4011 is equipped with an upper rack 4013 through a bolt clamp 4012 bolt.

In the embodiment of the present invention, when the raw material rotates under the action of the feeding assembly 2 and the clamping member 3, the output power of the driving cylinder 407 on the top plate 406 is activated to drive the output end of the driving cylinder 407 to run, so that the output end of the driving cylinder 407 Drive the telescopic frame 408 down, let the upper sliding box 409 below the telescopic frame 408 drop to a suitable processing position, so that the upper rack 4013 is attached to the rotating raw material, when the upper rack 4013 is combined with the raw material, it will Down, make the upper rack 4013 slide back and forth under the action of the upper slide box 409 and the upper slide bar 4010, so that the upper rack 4013 is processed for the raw material.

The top side of the first side frame 402 is provided with a shock absorber 4014, and the top side of the shock absorber 4014 is provided with a sliding box 4015, the sliding box 4015 is slidably connected with a lower slider 4017 through a lower rod 4016, and the lower slider 4017 The top side is provided with a bolt-on lower rack 4018 .

In the embodiment of the present invention, when the upper rack 4013 is attached to the raw material, the shock absorber 4014 is adjusted to a certain height, so that the sliding box 4015 runs to a suitable height, so that the lower rack 4018 is attached to the rotating raw material , after the lower rack 4018 is combined with the raw material, under the rotation of the raw material, the lower slider 4017 is allowed to perform reciprocating operation under the action of the lower bar 4016, so that the upper rack 4013 and the lower rack 4018 can jointly process the raw material Gear rubbing.

The working principle of the present invention is: at first, by utilizing decompression block 101 square seat 102 is placed on processing place, because decompression block 101 area is bigger, therefore possess the effect of shock absorption, and by four groups of square seat 102 base The plate 103 is supported, so that the base plate 103 assembles the feeding assembly 2, the clamping member 3 and the tooth rolling mechanism 4 sequentially. At the very beginning, the threaded block 205 is located at the outermost end of the feeding screw rod 204. When starting the electric rotating seat 307 on the top frame 306 to output power to drive the power arm 308 to run, the raw material is placed on the hydraulic chuck 2010 by using the pneumatic clamp 309 of the power arm 308, and the hydraulic chuck 2010 and the clamping head 2011 are used to place the raw material The raw material is clamped on the inner side of the hydraulic chuck 2010. At this time, the feed screw 204 on the feed box 203 is started to output power to drive the threaded block 205 to input the raw material carried by the inner connecting block 206 to the processing position of the tooth rubbing mechanism 4 , when the raw material enters the processing position, it passes through the tooth rolling mechanism 4, so that the other end of the raw material passes through the bolt hole clip 303, and then passes through the double connecting frame 302, so that the other end of the raw material is bearingly connected with the shaft seat 304 to fix the processing After the raw material is fixed by the two ends of the feeding assembly 2 and the clamping member 3, the output power of the driving motor 209 at one end of the starting motor base 208 drives the output end of the driving motor 209 to perform reciprocating operation, so that the driving motor 209 The output end drives the input end of the bearing sleeve 207 to rotate, and the rotation of the input end of the bearing sleeve 207 drives the raw material clamped by the hydraulic chuck 2010 and the clamping head 2011 to rotate. When rotating under the effect, start the drive cylinder 407 output power on the top plate 406 to drive the drive cylinder 407 output to run, so that the drive cylinder 407 output drives the telescopic frame 408 to descend, allowing the upper slide box 409 below the telescopic frame 408 to drop to a suitable position. The processing position is to make the upper rack 4013 stick to the rotating raw material. When the upper rack 4013 is combined with the raw material, under the rotation of the raw material, the upper rack 4013 is under the action of the upper sliding box 409 and the upper sliding rod 4010 , reciprocating sliding, so that the upper rack 4013 can rub the raw material. When the upper rack 4013 is attached to the raw material, the shock absorber 4014 can be adjusted to a certain height, so that the lower box 4015 can run to a suitable position. height, so that the lower rack 4018 fits to the rotating raw material. After the lower rack 4018 is combined with the raw material, under the rotation of the raw material, the lower slider 4017 is allowed to perform reciprocating operation under the action of the lower bar 4016, so that the The upper rack 4013 and the lower rack 4018 jointly carry out gear rolling processing on the raw materials. Since the first side frame 402 and the second side frame 403 are both open structures, and the second side frame 403 is connected with the bolt groove plate 404 and the bearing ring The cover 405 is combined into an assembled structure, so it is convenient for the user to disassemble and assemble, and it is beneficial to dissipate heat from the equipment when the tooth rolling mechanism 4 is processed. When the processing is completed, the tooth rolling mechanism 4 will put the upper rack 401 3 and the lower rack 4018 are separated from the processing position, and start the feeding component 2 to take the product out of the processing position, which is beneficial to the feeding component 2 and the upper clamping member 3, so that the power arm 308 is in cooperation with the electric rotating seat 307, which is beneficial to the power A pneumatic gripper 309 at one end of an arm 308 moves the product out of the apparatus.

It will be apparent to those skilled in the art that the invention is not limited to the details of the above-described exemplary embodiments, but that the invention can be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. Accordingly, the embodiments should be regarded in all points of view as exemplary and not restrictive, the scope of the invention being defined by the appended claims rather than the foregoing description, and it is therefore intended that the scope of the invention be defined by the appended claims rather than by the foregoing description. All changes within the meaning and range of equivalents of the elements are embraced in the present invention. Any reference sign in a claim should not be construed as limiting the claim concerned.

In addition, it should be understood that although this specification is described according to implementation modes, not each implementation mode only contains an independent technical solution, and this description in the specification is only for clarity, and those skilled in the art should take the specification as a whole , the technical solutions in the various embodiments can also be properly combined to form other implementations that can be understood by those skilled in the art.

Claims (9)

1. A precision gear-rolling machine for drive shafts for vehicles, comprising a base assembly (1) and a tooth-rolling mechanism (4), characterized in that: a bolt-assembled feeder is provided above one end of the base assembly (1). material assembly (2), the other end of the base assembly (1) is provided with a clamping member (3) assembled with bolts, and the top side of the base assembly (1) is provided with a thread rolling mechanism assembled with bolts ( 4). 2. A vehicle drive shaft precision gear rubbing machine according to claim 1, characterized in that: the base assembly (1) includes a decompression block (101), a square seat (102) and a base plate ( 103), the top side of the decompression block (101) is provided with a square seat (102), and the top side of the square seat (102) is provided with a base plate (103). 3. A vehicle drive shaft precision gear rubbing machine according to claim 2, characterized in that: the feeding assembly (2) includes a first bolt base (201), an elevating frame (202), a feeding Box (203), feed screw rod (204), threaded block (205), inner connection block (206), bearing sleeve (207), motor base (208), drive motor (209), hydraulic chuck (2010 ) and clamping head (2011), the first bolt base (201) is arranged above one end of the base plate (103), and the top side of the first bolt base (201) is provided with a raised frame (202), and the top side of the elevated frame (202) is provided with a feed box (203), and the feed box (203) is threadedly connected with a threaded block (205) by a feed screw mandrel (204), And the inner side of the threaded block (205) is provided with an inner connecting block (206). 4. A vehicle drive shaft precision gear rubbing machine according to claim 3, characterized in that: the inner side of the inner connecting block (206) is provided with a socketed bearing sleeve (207), and the bearing One end of the sleeve (207) runs through the motor base (208) and is connected to the output end of the drive motor (209), the other end of the bearing sleeve (207) is provided with a hydraulic chuck (2010), and the hydraulic chuck Annularly distributed clamping heads (2011) are arranged on the outer side of the disc (2010). 5. A vehicle drive shaft precision gear rubbing machine according to claim 2, characterized in that: the clamping member (3) includes a second bolt base (301), a double connecting frame (302), a bolt Hole clamp (303), abutment seat (304), top sheet (305), top frame (306), electric swivel seat (307), power arm (308) and pneumatic clamp (309), the second bolt base The seat (301) is arranged above the other end of the base plate (103), the top side of the second bolt base (301) is provided with a double connecting frame (302), and the double connecting frame (302) The side of the bolt hole clamp (303) is provided with a bolt assembly, the rear side of the bolt hole clamp (303) is provided with an abutment seat (304), and the top side of the bolt hole clamp (303) is provided with a top sheet (305). 6. A vehicle drive shaft precision gear rubbing machine according to claim 5, characterized in that: a top frame (306) is provided on the top side of the top sheet (305), and the top frame (306) An electric swivel seat (307) is provided under one end of the electric swivel seat (307), a power arm (308) driven by a hinge is provided on the inner side of the electric swivel seat (307), and a pneumatic clamp (308) is provided at one end of the power arm (308) ( 309). 7. A vehicle drive shaft precision gear rolling machine according to claim 2, characterized in that: said tooth rolling mechanism (4) comprises a third bolt base (401), a first side frame (402), Second side frame (403), bolt groove plate (404), bearing ring sleeve (405), top plate (406), driving cylinder (407), telescopic frame (408), upper sliding box (409), upper sliding rod ( 4010), upper slider (4011), bolt clamp (4012), upper rack (4013), shock absorber (4014), lower box (4015), lower rod (4016), lower slider (4017) and The lower rack (4018), the third bolt base (401) is arranged on the top side of the base plate (103), and the first side is arranged above the two ends of the third bolt base (401). frame (402), and the side of the first side frame (402) is provided with a second side frame (403), and the outer side of the second side frame (403) is provided with a bolt groove plate (404), and The outer side of the bolt channel plate (404) is provided with a bearing ring (405) which is socketed by bolts, and the top sides of the first side frame (402) and the second side frame (403) are provided with a top plate (406). 8. A vehicle drive shaft precision gear rubbing machine according to claim 4, characterized in that: the inner bottom side of the top plate (406) is provided with a telescopic frame (408) connected to the output end of the drive cylinder (407), And one end of the telescopic frame (408) is provided with an upper slide box (409), and the upper slide box (409) is slidably connected with an upper slide block (4011) through an upper slide bar (4010). The bottom of (4011) is equipped with upper rack (4013) by bolt clamp block (4012) bolts. 9. A vehicle drive shaft precision gear rubbing machine according to claim 4, characterized in that: a shock absorber (4014) is provided on the top side of the first side frame (402), and the shock absorber The top side of the device (4014) is provided with a sliding box (4015), and the sliding box (4015) is slidably connected with a lower slider (4017) through a lower rod (4016). The top side of the lower slider (4017) Bolt-on lower rack (4018) is provided.

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