CN113172544A

CN113172544A - Full-automatic grinding machine tool for cross shaft end face

Info

Publication number: CN113172544A
Application number: CN202110616018.4A
Authority: CN
Inventors: 汪文政; 陈志椿; 俞劲帆; 黄瑞梁; 肖雨萱; 孙娜; 陈思雅; 汪莹
Original assignee: Yango University
Current assignee: Yango University
Priority date: 2021-06-02
Filing date: 2021-06-02
Publication date: 2021-07-27
Anticipated expiration: 2041-06-02
Also published as: CN113172544B

Abstract

The invention discloses a cross shaft end face full-automatic grinding machine tool which comprises a feeding rack, a guide rack and a machine tool body, wherein the feeding rack and the guide rack as well as the guide rack and the machine tool body are fixedly connected through connecting plates, a feeding device for storing and feeding materials is arranged on the feeding rack, a material blocking device and a guide device for guiding the cross shaft in the positive direction are arranged on the upper surface of the guide rack, and a workbench is fixedly connected to the upper surface of the machine tool body. According to the invention, the storage rack can store a plurality of parts at one time, the parts are discharged from the discharge chute one by one through the profiling conveying belt, the guiding device guides the cross shafts to be consistent in direction and slides one by one to the machining area through the feeding of the profiling conveying belt, the first air cylinder with the contact sensor can feed back a feeding signal to the machine tool main control unit, the material moving device can take the parts to the machining area and discharge the parts, and the rotating device can adjust the direction of the parts, so that the automation degree is high.

Description

Full-automatic grinding machine tool for cross shaft end face

Technical Field

The invention relates to the technical field of production of cross shafts, in particular to a full-automatic grinding machine tool for end faces of cross shafts.

Background

The cross shaft is also called a cross joint, namely a universal joint, is a work piece for realizing variable-angle power transmission, is used for positions needing to change the direction of a transmission axis, is a joint part of a universal transmission device of an automobile driving system, is a universal joint with different speeds widely used on an automobile, allows the maximum intersection angle of two adjacent shafts to be 15-20 degrees, and is one of key parts of the universal joint with the same.

Along with the rapid development of the automobile industry, the demand of automobile parts is continuously increased, the market demand on the cross shaft is greatly increased, the requirement on the machining quality level of the cross shaft is higher, the production requirement can be met by machining four end faces of the cross shaft through a lathe in the past, the roughness requirement on the end faces is greatly improved along with the implementation of a high standard, the requirement cannot be met by machining through the lathe, the required roughness can be met only by machining through a grinding machine, the existing grinding machine generally machines a plane and an excircle well, a good machining scheme is not provided for cross shaft type parts, common grinding machines are matched with clamps to process the parts one by one, the machining efficiency is very low, and the yield cannot meet the market demand.

Disclosure of Invention

The invention aims to solve the defects in the prior art and provides a full-automatic grinding machine tool for the end face of a cross shaft.

In order to achieve the purpose, the invention adopts the following technical scheme: a cross shaft end face full-automatic grinding machine tool comprises a feeding rack, a guide rack and a machine body, wherein the feeding rack, the guide rack and the machine body are fixedly connected through a connecting plate, a feeding device for storing and feeding is arranged on the feeding rack, a material blocking device and a guide device for guiding the cross shaft in the positive direction are arranged on the upper surface of the guide rack, a workbench is fixedly connected on the upper surface of the machine body, a rotating device for replacing the machining direction of the cross shaft is arranged on the inner side of the workbench, two groups of grinding wheel abdicating holes are arranged on the inner wall of the workbench, the two groups of grinding wheel abdicating holes are arranged on the inner wall of the workbench and are respectively positioned on the front side and the rear side of the rotating device, two groups of door-shaped supports, grinding wheel driving boxes and strip cushion blocks are fixedly connected on the upper surface of the workbench, and are respectively close to the left end and the right end, two sets of grinding wheel drive case all sets up on the workstation upper surface and all is located between two sets of door type supports, and is two sets of grinding wheel drive case is located the front and back side in two sets of emery wheels hole of stepping down respectively, and is two sets of rectangular cushion sets up on the workstation upper surface and is located rotating device left and right sides respectively, and is two sets of door type support inboard is provided with moves the material device, the workstation is kept away from and is led one side fixedly connected with play charging tray of positive frame.

As a further description of the above technical solution:

feeding unit includes first motor, two sets of cylinders, deposits the work or material rest, first motor fixed connection is at the inboard lower wall of pay-off frame, and is two sets of the cylinder all rotates to be connected in the pay-off frame inboardly, and is two sets of the cylinder sets up at the pay-off frame inboard and is located both ends respectively, and is two sets of the outer wall cover of cylinder is equipped with the profile modeling conveyer belt, first motor and two sets of cylinders are wherein through belt transmission between a set of, deposit work or material rest fixed connection is at the pay-off frame upper surface, deposit the work or material rest setting and keep away from the one end of leading the positive frame at the pay-off frame upper surface, deposit work or material rest inboard is provided with the blown down tank, the blown down tank setting is just near the lower extreme at deposit work or material rest inboard.

As a further description of the above technical solution:

the guide device comprises a bedplate, a guide rail and an equal-height sleeve, the bedplate is fixedly connected to the upper surface of the guide frame, the guide rail is fixedly connected to the upper surface of the bedplate, the equal-height sleeve is fixedly connected between the guide rail and the bedplate, and the guide rail is fixedly connected with the bedplate through a locking screw.

As a further description of the above technical solution:

the material blocking device comprises a material blocking support and a first air cylinder, the material blocking support is fixedly connected to the upper surface of the bedplate, the material blocking support is arranged on the upper surface of the bedplate and is close to one end of the lathe bed, the first air cylinder is fixedly connected to the side wall of the material blocking support, and a contact sensor is fixedly connected to the end portion, extending out of the shaft, of the first air cylinder.

As a further description of the above technical solution:

rotating device includes carousel, second motor, pivot, carousel, pivot are all rotated and are connected at the workstation inner wall, the carousel sets up at the workstation inner wall and is close to the upper surface, pivot and carousel fixed connection, the pivot runs through the workstation inner wall, fixed surface is connected with the second fixed plate under the workstation, second motor fixed connection is at second fixed plate lateral wall, the second motor stretches out the first gear of a tip fixedly connected with, the one end fixedly connected with second gear of carousel is kept away from in the pivot.

As a further description of the above technical solution:

the second gear meshes with first gear, the pivot outer wall is provided with flat bearing, flat bearing sets up between carousel and workstation, the carousel inner wall is provided with the multiunit and leads positive hole, strong magnet, the multiunit it all sets up in the strong magnet outside to lead positive hole.

As a further description of the above technical solution:

move the material device and include slide rail, second cylinder, first fixed plate, third cylinder, slide rail fixed connection is at the inboard upper wall of two sets of door type supports, slide rail lower fixed surface is connected with the slider, first fixed plate fixed connection is at the slider lower surface, third cylinder fixed connection is at first fixed plate lower surface, the third cylinder stretches out axle head portion fixedly connected with clamp plate, clamp plate lower fixed surface is connected with leads positive claw, it is provided with the circular arc chamfer to lead the one end that positive claw kept away from the clamp plate.

As a further description of the above technical solution:

the second cylinder is fixedly connected to the two groups of side walls close to the right side in the door-shaped support, and the end part of the extending shaft of the second cylinder is fixedly connected with the first fixing plate.

The invention has the following beneficial effects:

compared with the prior art, the cross shaft end face full-automatic grinding machine tool is provided with the material storage rack which can store a plurality of parts at one time, the material is discharged from the discharge chute one by one through the profiling conveyor belt, the feeding time is greatly saved, and the arranged guide device, the guide rail is contacted with the end surface of the shaft shoulder of the cross shaft to guide the cross shaft to be consistent in direction, and the cross shaft slides to a processing area one by one through the feeding of the profiling feeding belt, the first cylinder with a contact sensor is arranged, when the parts that send come contact with touch sensor, feedback signal reaches the total control unit of lathe, sends stop signal to first motor, and the pay-off is suspended, and the material device that moves that sets up can be taken the part and sent into the processing district and move to the ejection of compact dish ejection of compact after processing finishes, and the rotating device that sets up can transfer the direction to the part, autoloading, direction, get material, processing and the ejection of compact, and degree of automation is high.

Drawings

FIG. 1 is a schematic view of the overall structure of a cross axle end face full-automatic grinding machine tool according to the present invention;

FIG. 2 is a partially enlarged view of FIG. 1-A of a cross axle end face full-automatic grinding machine tool according to the present invention;

FIG. 3 is a partially enlarged view of FIG. 1-B of the cross axle end face full-automatic grinding machine according to the present invention;

FIG. 4 is a top view of the overall structure of a cross axle end face full-automatic grinding machine tool according to the present invention;

FIG. 5 is a partial enlarged view of FIG. 4-C of the cross axle end face full-automatic grinding machine according to the present invention;

FIG. 6 is a partial sectional view of the structure of a material moving device of the cross axle end surface full-automatic grinding machine tool provided by the invention;

FIG. 7 is a sectional view of a connection structure of a worktable and a rotating device of a cross axle end face full-automatic grinding machine tool according to the present invention;

FIG. 8 is a top view of a worktable structure of a cross axle end face full-automatic grinding machine tool according to the present invention;

FIG. 9 is a schematic structural view of a pressing plate and a guiding claw of the cross-shaft end surface full-automatic grinding machine tool according to the present invention;

FIG. 10 is a schematic structural view of a material storage rack of a cross axle end face full-automatic grinding machine according to the present invention;

fig. 11 is a schematic view of a connection structure of a first cylinder and a contact sensor of a cross axle end surface full-automatic grinding machine tool according to the present invention.

Illustration of the drawings:

1. a feeding frame; 2. a guide frame; 3. a bed body; 4. a discharging tray; 5. a first motor; 6. a drum; 7. a material storage rack; 8. a connecting plate; 9. a platen; 10. a guide rail; 11. locking screws; 12. an equal-height sleeve; 13. a material blocking bracket; 14. a first cylinder; 15. a work table; 16. a gantry support; 17. a grinding wheel drive box; 18. a slide rail; 19. a second cylinder; 20. a first fixing plate; 21. profiling the conveyor belt; 22. a strip cushion block; 23. a turntable; 24. strong magnets; 25. a pilot hole; 26. a slider; 27. a third cylinder; 28. pressing a plate; 29. a correcting claw; 30. a second fixing plate; 31. a second motor; 32. a first gear; 33. a second gear; 34. a rotating shaft; 35. a grinding wheel abdicating hole; 36. a flat bearing; 37. chamfering with an arc; 38. a discharge chute; 39. a touch sensor.

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 of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The first embodiment is as follows:

referring to fig. 1-11, the invention provides a cross axle end face full-automatic grinding machine: the cross-shaft machining device comprises a feeding rack 1, a guide rack 2 and a machine body 3, wherein the feeding rack 1, the guide rack 2 and the guide rack 2 are fixedly connected through a connecting plate 8, a feeding device for storing and feeding is arranged on the feeding rack 1, a material blocking device and a guide device for guiding the cross shaft in the positive direction are arranged on the upper surface of the guide rack 2, a workbench 15 is fixedly connected on the upper surface of the machine body 3, a rotating device for changing the machining direction of the cross shaft is arranged on the inner side of the workbench 15, two groups of grinding wheel abdicating holes 35 are arranged on the inner wall of the workbench 15, the two groups of grinding wheel abdicating holes 35 are arranged on the inner wall of the workbench 15 and are respectively positioned on the front side and the rear side of the rotating device, two groups of door-shaped supports 16, grinding wheel driving boxes 17 and strip cushion blocks 22 are fixedly connected on the upper surface of the workbench 15, the two groups of door-shaped supports 16 are respectively arranged on the upper surface of the workbench 15 and are respectively close to the left end and the right end, the two groups of door-shaped supports 16, two sets of grinding wheel drive case 17 are located the front and back side of two sets of emery wheels hole 35 of stepping down respectively, and two sets of rectangular cushion 22 set up at workstation 15 upper surface and are located the rotary device left and right sides respectively, and two sets of 16 inboards of door type supports are provided with and move the material device, and workstation 15 keeps away from one side fixedly connected with ejection of compact dish 4 of leading positive frame 2, and grinding wheel drive case 17 is the common grinding machine accessory in market, can start the emery wheel and feed grinding, retreat the sword according to setting for the procedure.

Example two:

the feeding device comprises a first motor 5, two groups of rollers 6 and a material storage rack 7, wherein the first motor 5 is fixedly connected to the lower wall of the inner side of the material storage rack 1, the two groups of rollers 6 are rotatably connected to the inner side of the material storage rack 1, the two groups of rollers 6 are arranged on the inner side of the material storage rack 1 and are respectively located at two ends, a profiling conveyor belt 21 is sleeved on the outer wall of the two groups of rollers 6, the first motor 5 and the two groups of rollers 6 are in belt transmission with each other, the material storage rack 7 is fixedly connected to the upper surface of the material storage rack 1, the material storage rack 7 is arranged on the upper surface of the material storage rack 1 and is far away from one end of the guide rack 2, a discharge chute 38 is arranged on the inner side of the material storage rack 38 and is close to the lower end, and enough parts are placed in the material storage rack 7 before the shift processing, so that the subsequent continuous production can be realized. The guide device comprises a bedplate 9, guide rails 10 and equal-height sleeves 12, the bedplate 9 is fixedly connected to the upper surface of the guide frame 2, the guide rails 10 are fixedly connected to the upper surface of the bedplate 9, the equal-height sleeves 12 are fixedly connected between the guide rails 10 and the bedplate 9, the guide rails 10 are fixedly connected with the bedplate 9 through locking screws 11, the distance between the two groups of guide rails 10 is slightly larger than the distance between the two groups of opposite shaft shoulder end surfaces of the turned shaft shoulder of the cross shaft, the cross shaft can be well guided and positioned, and the cross shaft parts can slide forwards in a uniform direction.

Example three:

the material blocking device comprises a material blocking support 13 and a first air cylinder 14, the material blocking support 13 is fixedly connected to the upper surface of the bedplate 9, the material blocking support 13 is arranged on the upper surface of the bedplate 9 and close to one end of the lathe bed 3, the first air cylinder 14 is fixedly connected to the side wall of the material blocking support 13, the first air cylinder 14 extends out of the end part of the shaft and is fixedly connected with a contact sensor 39, the contact sensor 39 on the first air cylinder 14 transmits a signal to control the feeding device to stop, and the material blocking device plays a role in material dividing and processing. The rotating device comprises a rotating disc 23, a second motor 31 and a rotating shaft 34, wherein the rotating disc 23 and the rotating shaft 34 are both rotatably connected to the inner wall of the workbench 15, the rotating disc 23 is arranged on the inner wall of the workbench 15 and is close to the upper surface, the rotating shaft 34 is fixedly connected with the rotating disc 23, the rotating shaft 34 penetrates through the inner wall of the workbench 15, the lower surface of the workbench 15 is fixedly connected with a second fixing plate 30, the second motor 31 is fixedly connected with the side wall of the second fixing plate 30, the end part of the second motor 31, extending out of the shaft, is fixedly connected with a first gear 32, one end of the rotating shaft 34, far away from the rotating disc 23, is fixedly connected with a second gear 33, the second gear 33 is meshed with the first gear 32, the outer wall of the rotating shaft 34 is provided with a plane bearing 36, the plane bearing 36 is arranged between the rotating disc 23 and the workbench 15, the inner wall of the rotating disc 23 is provided with a plurality of guide holes 25 and a strong magnet 24, the plurality of guide holes 25 are all arranged outside the strong magnet 24, the rotating device is used for rotating the cross shaft by 90 degrees, to facilitate processing of the other two faces.

The material moving device comprises a slide rail 18, a second air cylinder 19, a first fixing plate 20 and a third air cylinder 27, wherein the slide rail 18 is fixedly connected to the inner upper wall of the two groups of door-shaped supports 16, a slide block 26 is fixedly connected to the lower surface of the slide rail 18, the first fixing plate 20 is fixedly connected to the lower surface of the slide block 26, the third air cylinder 27 is fixedly connected to the lower surface of the first fixing plate 20, the end part, extending out of a shaft, of the third air cylinder 27 is fixedly connected with a pressing plate 28, the lower surface of the pressing plate 28 is fixedly connected with a guiding claw 29, one end, far away from the pressing plate 28, of the guiding claw 29 is provided with an arc chamfer 37, the second air cylinder 19 is fixedly connected to one group of side walls on the right side in the two groups of door-shaped supports 16, the end part, extending out of the second air cylinder 19 is fixedly connected with the first fixing plate 20, the second air cylinder 19 is mainly responsible for left-right movement, the third air cylinder 27 is responsible for material forking and forms material pressing force to the parts when the parts are moved to the rotary table 23, avoid shaking in the processing.

The working principle is as follows: the method is characterized in that cross-axle parts to be processed are stored in a storage rack 7 in advance, the bottommost part is in contact with a profiling conveyor belt 21, the cross-axle can be preliminarily positioned through four upright posts of the storage rack 7, grooves similar to the cross-axle in shape are formed in the surface of the profiling conveyor belt 21, when the profiling conveyor belt 21 rotates, the cross-axle is driven to move forwards, if the cross-axle does not enter the grooves, the cross-axle is blocked by the upright posts of the storage rack 7 to stop moving forwards, the profiling conveyor belt 21 continues to rotate until the cross-axle falls into the next group of grooves in the profiling conveyor belt 21, the cross-axle cannot be sent out through a discharge groove 38 in the inner side of the storage rack 7, the parts in the storage rack 7 are sent out by the profiling conveyor belt 21 one by one, the parts move to a bedplate 9 on a guide rack 2, the cross-axle is limited forwards and backwards through two groups of guide rails 10, the cross-axle slides rightwards along the guide rails 10 in a uniform direction, when a first cross-axle part is in contact with a contact sensor 39 on a first air cylinder 14, retracting the extension shaft of the first air cylinder 14, setting a machine tool main control unit for feeding back signals by the contact sensor 39 after the first cross shaft part is stroked by the first air cylinder 14, controlling the first motor 5 to stop rotating, stopping feeding, synchronously performing extension action by the second air cylinder 19 to drive the third air cylinder 27 to come right above the first cross shaft part, performing extension action by the third air cylinder 27, arranging an arc chamfer 37 at the front end of the alignment claw 29 on the extension shaft of the third air cylinder 27, enabling the four alignment claws 29 to fork the cross shaft between the four alignment claws 29 through the extension action of the extension shaft of the third air cylinder 27, further performing retraction action by the second air cylinder 19 to drive the cross shaft to move to the upper surface of the rotary table 23 along the long cushion block 22, and continuously extending the third air cylinder 27, the guiding claw 29 extends into the guiding hole 25 on the inner wall of the turntable 23 until the pressing plate 28 at the end part of the extending shaft of the third air cylinder 27 contacts the upper surface of the part, the third air cylinder 27 stops acting and keeps pressure on the part, the grinding wheel driving box 17 starts the grinding wheel, feed is carried out according to the set processing parameters, the end surfaces of the front end and the rear end of the cross shaft are ground, after the processing is finished, the extending shaft of the third air cylinder 27 retracts, the guiding claw 29 is separated from the constraint on the part, the turntable 23 is driven by the second motor 31 to rotate for 90 degrees, because the inner wall of the turntable 23 is provided with the strong magnet 24, the part cannot move during rotation, the advancing third air cylinder 27 extends again, the guiding claw 29 extends into the guiding hole 25, the pressing plate 28 presses the part to grind the other two surfaces of the part, after the grinding is finished, the extending shaft of the third air cylinder 27 retracts half, namely the guiding claw 29 exits the guiding hole 25, but does not separate the part, the part is moved to the upper surface of the discharging disc 4 by the retracting action of the second air cylinder 19, the extension shaft of the third cylinder 27 is completely retracted, the guide claw 29 is separated from the restraint on the part, the part after grinding slides out to the next procedure along the discharging disc 4, further, the material blocking device releases one part again, and the part is moved by the material moving device to be processed and discharged, so that the actions of automatic material conveying and feeding, automatic guide, automatic processing and discharging are realized.

Finally, it should be noted that: 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 modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a full-automatic lapping machine of cross axle terminal surface, includes pay-off frame (1), leads positive frame (2), lathe bed (3), its characterized in that: the feeding machine frame (1) and the guide machine frame (2), the guide machine frame (2) and the machine body (3) are fixedly connected through a connecting plate (8), a feeding device used for storing and feeding is arranged on the feeding machine frame (1), the guide machine frame (2) is provided with a material blocking device on the upper surface and a guide device in the positive direction to the cross shaft, the machine body (3) is fixedly connected with a workbench (15) on the upper surface, a rotating device used for replacing the cross shaft machining direction is arranged on the inner side of the workbench (15), two groups of grinding wheel abdicating holes (35) are arranged on the inner wall of the workbench (15) and are respectively positioned on the front side and the rear side of the rotating device, two groups of door-shaped supports (16), grinding wheel driving boxes (17) and strip-shaped cushion blocks (22) are fixedly connected on the upper surface of the workbench (15), two sets of door type support (16) set up at workstation (15) upper surface and be close to respectively about both ends, two sets of grinding wheel drive case (17) all set up at workstation (15) upper surface and all are located between two sets of door type supports (16), and are two sets of grinding wheel drive case (17) are located the front and back side of two sets of emery wheels hole of stepping down (35) respectively, and are two sets of rectangular cushion (22) set up at workstation (15) upper surface and are located rotating device left and right sides respectively, and are two sets of door type support (16) inboard is provided with moves the material device, workstation (15) are kept away from one side fixedly connected with ejection of compact dish (4) of leading positive frame (2).

2. The cross shaft end face full-automatic grinding machine tool according to claim 1, characterized in that: the feeding device comprises a first motor (5), two groups of rollers (6) and a material storage rack (7), the first motor (5) is fixedly connected with the lower wall of the inner side of the feeding rack (1), the two groups of rollers (6) are rotatably connected with the inner side of the feeding rack (1), the two groups of rollers (6) are arranged on the inner side of the feeding rack (1) and are respectively positioned at two ends, the outer walls of the two groups of rollers (6) are sleeved with the profiling conveyor belt (21), the first motor (5) and one of the two groups of rollers (6) are driven by a belt, the material storage rack (7) is fixedly connected to the upper surface of the feeding rack (1), the material storage rack (7) is arranged at one end of the upper surface of the feeding rack (1) far away from the guide rack (2), a discharge chute (38) is arranged on the inner side of the material storage frame (7), and the discharge chute (38) is arranged on the inner side of the material storage frame (7) and is close to the lower end.

3. The cross shaft end face full-automatic grinding machine tool according to claim 1, characterized in that: the guide device comprises a bedplate (9), a guide rail (10) and an equal-height sleeve (12), wherein the bedplate (9) is fixedly connected to the upper surface of the guide frame (2), the guide rail (10) is fixedly connected to the upper surface of the bedplate (9), the equal-height sleeve (12) is fixedly connected between the guide rail (10) and the bedplate (9), and the guide rail (10) is fixedly connected with the bedplate (9) through a locking screw (11).

4. The cross shaft end face full-automatic grinding machine tool according to claim 3, characterized in that: the material blocking device comprises a material blocking support (13) and a first air cylinder (14), the material blocking support (13) is fixedly connected to the upper surface of the bedplate (9), the material blocking support (13) is arranged on the upper surface of the bedplate (9) and close to one end of the lathe bed (3), the first air cylinder (14) is fixedly connected to the side wall of the material blocking support (13), and the end part of the extending shaft of the first air cylinder (14) is fixedly connected with a contact sensor (39).

5. The cross shaft end face full-automatic grinding machine tool according to claim 1, characterized in that: rotating device includes carousel (23), second motor (31), pivot (34), carousel (23), pivot (34) all rotate to be connected at workstation (15) inner wall, carousel (23) set up at workstation (15) inner wall and are close to the upper surface, pivot (34) and carousel (23) fixed connection, workstation (15) inner wall is run through in pivot (34), workstation (15) lower fixed surface is connected with second fixed plate (30), second motor (31) fixed connection is at second fixed plate (30) lateral wall, second motor (31) stretches out a first gear of tip fixedly connected with (32), the one end fixedly connected with second gear (33) of carousel (23) are kept away from in pivot (34).

6. The cross axle end face full-automatic grinding machine tool according to claim 5, characterized in that: second gear (33) and first gear (32) meshing, pivot (34) outer wall is provided with flat bearing (36), flat bearing (36) set up between carousel (23) and workstation (15), carousel (23) inner wall is provided with multiunit and leads positive hole (25), strong magnet (24), multiunit lead positive hole (25) and all set up in strong magnet (24) outside.

7. The cross shaft end face full-automatic grinding machine tool according to claim 1, characterized in that: move the material device and include slide rail (18), second cylinder (19), first fixed plate (20), third cylinder (27), slide rail (18) fixed connection is at two sets of door type support (16) inboard upper walls, slide rail (18) lower fixed surface is connected with slider (26), first fixed plate (20) fixed connection is at slider (26) lower surface, third cylinder (27) fixed connection is at first fixed plate (20) lower surface, third cylinder (27) stretch out axle head portion fixedly connected with clamp plate (28), clamp plate (28) lower fixed surface is connected with leads positive claw (29), the one end of leading positive claw (29) to keep away from clamp plate (28) is provided with circular arc chamfer (37).

8. The cross axle end face full-automatic grinding machine tool according to claim 7, characterized in that: the second cylinder (19) is fixedly connected to the two groups of the door-shaped supports (16) and close to one group of side walls on the right side, and the end part of the extending shaft of the second cylinder (19) is fixedly connected with the first fixing plate (20).