阅读说明：本技术 一种可改善齿轮表面应力分布的喷丸强化装置 (Shot peening strengthening device capable of improving surface stress distribution of gear ) 是由 厉天龙 谢爱叶 项益友 项湖州 谷志阳 薛伟 周晨 于 2021-07-27 设计创作，主要内容包括：本发明属于齿轮生产加工技术领域,尤其是一种可改善齿轮表面应力分布的喷丸强化装置,针对现有的喷丸强化设备存在结构复杂,弹丸对齿轮喷射不够均匀、取件和上件操作复杂、不具有对齿轮进行表面污渍清除的问题,现提出如下方案,其包括箱体,所述箱体的内壁转动连接有叶片盘,所述箱体上设置有带动叶片盘间歇式转动的动力组件,所述叶片盘上均匀设置有三个扇形腔室,本发明中,该喷丸强化设备结构简单,在喷丸机工作喷射弹丸的同时,待强化齿轮发生匀速转动,使得弹丸对待强化齿轮表面喷射的更加均匀,循环式的设计,提高了强化工作的效率,通过设置的环形毛刷可以对待强化齿轮进行表面污渍的清除,提高了其强化效果。(The invention belongs to the technical field of gear production and processing, in particular to a shot peening strengthening device capable of improving the surface stress distribution of a gear, aiming at the problems that the existing shot peening strengthening device has a complex structure, shots cannot spray the gear evenly, the operation of taking and loading the gear is complex, and the surface stains on the gear cannot be removed, the invention provides the following scheme, which comprises a box body, wherein the inner wall of the box body is rotationally connected with a blade disc, the box body is provided with a power component for driving the blade disc to rotate intermittently, and the blade disc is evenly provided with three fan-shaped chambers. The strengthening effect is improved.)

1. The shot peening strengthening device capable of improving the surface stress distribution of the gear comprises a box body (1) and is characterized in that a blade disc (3) is connected to the inner wall of the box body (1) in a rotating mode, a power assembly for driving the blade disc (3) to rotate intermittently is arranged on the box body (1), three fan-shaped cavities (2) are evenly arranged on the blade disc (3), inner hollow pipes (19) are connected to the inner walls of the bottoms of the fan-shaped cavities (2) in a penetrating and rotating mode, baffle rings (30) are fixedly sleeved on the outer walls of the inner hollow pipes (19), gears (12) to be strengthened and sleeved on the outer walls of the inner hollow pipes (19) are placed at the tops of the baffle rings (30), fixing assemblies for fixing the gears (12) to be strengthened are arranged on the inner hollow pipes (19), a second gear (18) is fixedly sleeved on the outer walls of the inner hollow pipes (19), and a transmission assembly for driving the second gear (18) to rotate is arranged on the box body (1), the shot blasting machine is characterized in that a shot blasting machine (11) is fixedly arranged on the outer wall of one side of the box body (1), an injection pipe of the shot blasting machine (11) extends into the box body (1), the top of the box body (1) is symmetrically connected with two shaft rods (7) in a penetrating and sliding mode, the bottom of each shaft rod (7) is fixedly connected with one circular cover plate (4), a decontamination assembly for removing stains on the surface of a gear to be strengthened (12) is arranged on each circular cover plate (4), and an operation opening (26) is formed in the box body (1).

2. A shot peening strengthening device capable of improving the stress distribution on the surface of a gear according to claim 1, wherein the power assembly comprises a first motor (24) fixedly connected with the inner wall of the bottom of the box body (1), a rotating disc (23) is fixedly sleeved on an output shaft of the first motor (24), a rotating roller (20) rotatably connected with the bottom of the blade disc (3) and the inner wall of the bottom of the box body (1) is fixedly connected with the bottom of the blade disc, a third gear (21) is fixedly sleeved on the outer wall of the rotating roller (20), and an arc rack plate (22) meshed with the third gear (21) is fixedly sleeved on the outer wall of the rotating disc (23).

3. A shot peening apparatus for improving stress distribution on a gear surface according to claim 2, wherein the number of teeth of the third gear (21) is three times that of the arc-shaped rack plate (22).

4. A shot peening strengthening device capable of improving the stress distribution on the surface of a gear according to claim 1, wherein the fixing component comprises a plurality of sliding rods (28) which are slidably connected on an inner hollow pipe (19) in a penetrating manner, one ends of the sliding rods (28) which are far away from each other are fixedly connected with arc-shaped extrusion plates (29) which are in extrusion contact with the inner wall of the gear (12) to be strengthened, one ends of the sliding rods (28) which are close to each other are slidably connected with a same circular platform block (27), and the inner wall of the top of the inner hollow pipe (19) is fixedly connected with an electric push rod (31) of which the bottom is fixedly connected with the top of the circular platform block (27).

5. A shot peening strengthening device capable of improving stress distribution on the surface of a gear according to claim 1, wherein the transmission assembly comprises a box body (1) and a fixing plate (14) fixedly connected with the inner wall of one side of the shot peening machine (11), the fixing plate (14) is connected with a rotating shaft (15) in a penetrating and rotating mode, a first gear (13) matched with a second gear (18) is fixedly sleeved on the outer wall of the rotating shaft (15), a first belt pulley (16) is fixedly sleeved on the outer wall of the rotating shaft (15), a second belt pulley (25) is fixedly sleeved on the output shaft of the first motor (24), the first belt pulley (16) and the second belt pulley (25) are sleeved with the same belt (17), and the number of teeth of the first gear (13) is three times that of the second gear (18).

6. A shot peening strengthening device capable of improving the stress distribution on the surface of a gear according to claim 1, characterized in that a partition plate (10) is fixedly arranged on the inner wall of the top of the box body (1), and the bottom of the partition plate (10) is in contact with the top of the blade disc (3).

7. A shot peening strengthening device capable of improving the stress distribution on the surface of a gear according to claim 1, characterized in that the tops of the two shafts (7) are fixedly connected with the same connecting plate (8), and the outer wall of the top of the box body (1) is fixedly connected with a piston rod and a hydraulic cylinder (9) fixedly connected with the bottom of the connecting plate (8).

8. A shot peening strengthening device capable of improving the stress distribution on the surface of a gear according to claim 1, wherein the decontamination assembly comprises an annular brush (5) rotatably connected with the inner wall of a circular cover plate (4), an inner gear ring (6) is fixedly connected with the top of the annular brush (5), a second motor (32) is fixedly arranged on the inner wall of the top of the circular cover plate (4), and a fourth gear (33) meshed with the inner gear ring (6) is fixedly sleeved on an output shaft of the second motor (32).

Technical Field

The invention relates to the technical field of gear production and processing, in particular to a shot peening strengthening device capable of improving the surface stress distribution of a gear.

Background

Shot peening, also called shot peening, is one of the effective methods for reducing fatigue of parts and improving the service life, and the shot peening is to spray high-speed shot flow on the surface of the part to cause plastic deformation of the surface layer of the part to form a strengthening layer with a certain thickness, and form high residual stress in the strengthening layer.

The existing shot peening equipment is complex in structure, shot is not uniformly sprayed on the surface of the gear, so that the peening effect is poor, in the process of gear peening, the operation of taking and feeding the gear is complex, so that the peening efficiency is low, the function of removing surface stains on the gear is not realized, and the effect of shot peening treatment can be influenced by the stains on the surface of the gear.

Disclosure of Invention

The invention aims to solve the defects that shot peening equipment in the prior art has a complex structure, shots cannot uniformly spray on a gear, the operation of taking and loading the gear is complex, and surface stains on the gear cannot be removed, and provides a shot peening device capable of improving the surface stress distribution of the gear.

In order to achieve the purpose, the invention adopts the following technical scheme:

a shot peening strengthening device capable of improving stress distribution on the surface of a gear comprises a box body, wherein a blade disc is rotatably connected to the inner wall of the box body, a power assembly for driving the blade disc to rotate intermittently is arranged on the box body, three fan-shaped cavities are uniformly arranged on the blade disc, inner walls at the bottoms of the fan-shaped cavities are respectively connected with an inner hollow pipe in a penetrating and rotating mode, a baffle ring is fixedly sleeved on the outer wall of the inner hollow pipe, a gear to be strengthened and sleeved on the outer wall of the inner hollow pipe is placed at the top of the baffle ring, a fixing assembly for fixing the gear to be strengthened is arranged on the inner hollow pipe, a second gear is fixedly sleeved on the outer wall of the inner hollow pipe, a transmission assembly for driving the second gear to rotate is arranged on the box body, a shot peening machine is fixedly arranged on the outer wall of one side of the box body, an injection pipe of the shot peening machine extends into the box body, and two shaft levers are symmetrically connected with the top of the box body in a penetrating and sliding mode, the bottom of the two shaft levers is fixedly connected with the same circular cover plate, a decontamination assembly for removing stains on the surface of the gear to be strengthened is arranged on the circular cover plate, and an operation opening is formed in the box body.

Preferably, power component includes the first motor of the bottom inner wall fixed connection of box, fixed cover is equipped with the rolling disc on the output shaft of first motor, the bottom fixedly connected with bottom and the bottom half inner wall of blade dish rotate the live-rollers of connection, fixed cover is equipped with the third gear on the outer wall of live-rollers, fixed cover is equipped with the arc rack plate with third gear engaged with on the outer wall of rolling disc.

Preferably, the number of teeth of the third gear is three times the number of teeth of the arc-shaped rack plate.

Preferably, fixed subassembly includes a plurality of slide bars that run through sliding connection on the interior hollow tube, and is a plurality of the equal fixedly connected with of one end that the slide bar was kept away from each other and the arc stripper plate of treating the intensive gear inner wall extrusion contact, it is a plurality of the one end sliding connection that the slide bar is close to each other has same round platform piece, the top inner wall fixedly connected with bottom and round platform piece top fixed connection's electric putter of interior hollow tube.

Preferably, transmission assembly includes that the box is close to one side inner wall fixed connection's of peening machine fixed plate, it is connected with the axis of rotation to run through the rotation on the fixed plate, the fixed cover of outer wall of axis of rotation is equipped with the first gear that uses with the cooperation of second gear, the fixed cover of outer wall of axis of rotation is equipped with first belt pulley, fixed cover is equipped with the second belt pulley on the output shaft of first motor, first belt pulley and second belt pulley cover are equipped with same belt, the number of teeth of first gear is the triple of the number of teeth of second gear.

Preferably, a partition plate is fixedly arranged on the inner wall of the top of the box body, and the bottom of the partition plate is in contact with the top of the blade disc.

Preferably, the top of the two shaft levers is fixedly connected with the same connecting plate, and the outer wall of the top of the box body is fixedly connected with a piston rod and a hydraulic cylinder fixedly connected with the bottom of the connecting plate.

Preferably, the scrubbing subassembly includes that the inner wall of circular cover plate rotates the annular brush of connecting, the top fixedly connected with inner ring gear of annular brush, the fixed second motor that is provided with of top inner wall of circular cover plate, fixed cover is equipped with the fourth gear with inner ring gear engaged with on the output shaft of second motor.

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

1. according to the invention, when the gear to be strengthened is required to be strengthened, the gear to be strengthened is sleeved on the hollow tube close to the operation opening through the operation opening, after the gear to be strengthened is sleeved, the electric push rod is started to work, the electric push rod works to drive the circular truncated cone block to move, the circular truncated cone block moves to move a plurality of arc-shaped extrusion plates to move away from each other, the plurality of arc-shaped extrusion plates move to realize extrusion and fixation of the gear to be strengthened, and after the fixation is finished, the electric push rod is closed to work;

2. in the invention, a first motor is started to rotate an instantaneous needle, the rotation of the first motor simultaneously drives a rotating disc and a second belt pulley to rotate, the rotation of the rotating disc drives a gear to be strengthened and a second gear to rotate intermittently through an arc-shaped rack plate, when the gear to be strengthened rotates under a circular cover plate intermittently, the arc-shaped rack plate is just separated from a third gear, a worker installs a part on a hollow pipe close to an operation opening, meanwhile, the extension of a hydraulic cylinder drives a connecting plate to move, the movement of the connecting plate drives an annular brush to move, when the annular brush moves to be completely sleeved on the outer wall of the second gear, the work of the hydraulic cylinder is closed, the second motor is started to rotate, the rotation of the second motor drives the annular brush to rotate, the rotation of the annular brush realizes the removal of scrap iron and dust on the surface of the gear to be strengthened, and after the removal is finished, the hydraulic cylinder lifts the circular cover plate to the initial position, at the moment, the arc-shaped rack plate is just meshed with the third gear;

3. in the invention, the intermittent rotation of the third gear rotates the second gear to just be meshed with the first gear, the third gear is separated from the arc-shaped rack plate at the moment, the inner hollow pipe which is assembled is rotated to the position right below the circular cover plate, the work of the shot blasting machine is started, the rotation of the second belt pulley drives the first gear to rotate through the belt at the moment, the rotation of the first gear drives the second gear to rotate, the rotation of the second gear drives the gear to be strengthened to rotate, the shot blasting machine uniformly sprays shots to the surface of the gear to be strengthened to carry out strengthening treatment while the gear to be strengthened is rotated, the gear to be strengthened below the circular cover plate is cleaned by the annular brush, a worker continues to assemble and fix the inner hollow pipe which is rotated to be close to the operation port, the shot blasting machine is turned off to work after the second gear is rotated for one circle, the intermittent rotation of the third gear rotates the treated gear to be strengthened to be close to the operation port, and at the moment, the electric push rod is started to release the fixation of the gear to be strengthened, the gear to be strengthened after the strengthening treatment is finished is taken out, other gears to be strengthened are placed on the gear to be strengthened to be clamped, the gear to be strengthened positioned below the circular cover plate is subjected to dirt removal treatment, the gear to be strengthened positioned close to the shot blasting machine is subjected to strengthening treatment, the other gears to be strengthened are subjected to strengthening treatment in a circulating mode, and after all treatments are finished, all electric appliances are turned off.

According to the shot peening equipment, the shot peening equipment is simple in structure, when the shot peening machine works to eject the shot, the gear to be strengthened rotates at a constant speed, so that the shot can be ejected more uniformly on the surface of the gear to be strengthened, the strengthening work efficiency is improved due to the cyclic design, surface stains can be removed on the gear to be strengthened through the annular hairbrush, and the strengthening effect is improved.

Drawings

FIG. 1 is a schematic sectional view of a shot peening apparatus for improving stress distribution on a gear surface according to the present invention;

FIG. 2 is a schematic top sectional view of a shot peening apparatus for improving stress distribution on a gear surface according to the present invention;

FIG. 3 is an enlarged view of part A of the shot peening apparatus for improving the stress distribution on the surface of a gear according to the present invention;

FIG. 4 is an enlarged view of part B of the shot peening apparatus for improving the stress distribution on the surface of a gear according to the present invention;

FIG. 5 is a schematic three-dimensional structure diagram of a circular block of the shot peening device for improving the stress distribution on the surface of a gear according to the present invention;

FIG. 6 is a schematic three-dimensional structure of a blade disc of a shot peening apparatus for improving the stress distribution on the surface of a gear according to the present invention;

FIG. 7 is a schematic three-dimensional structure diagram of a spacer of a shot peening apparatus for improving the stress distribution on the surface of a gear according to the present invention.

In the figure: 1. a box body; 2. a sector-shaped chamber; 3. a bladed disk; 4. a circular cover plate; 5. an annular brush; 6. an inner gear ring; 7. a shaft lever; 8. a connecting plate; 9. a hydraulic cylinder; 10. a partition plate; 11. a shot blasting machine; 12. a gear to be strengthened; 13. a first gear; 14. a fixing plate; 15. a rotating shaft; 16. a first pulley; 17. a belt; 18. a second gear; 19. an inner hollow pipe; 20. a rotating roller; 21. a third gear; 22. an arc-shaped rack plate; 23. rotating the disc; 24. a first motor; 25. a second pulley; 26. an operation port; 27. a round table block; 28. a slide bar; 29. an arc-shaped extrusion plate; 30. a baffle ring; 31. an electric push rod; 32. a second motor; 33. a fourth gear.

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.

Example one

Referring to fig. 1-7, a shot peening strengthening device capable of improving stress distribution on the surface of a gear comprises a box body 1, a blade disc 3 is rotatably connected to the inner wall of the box body 1, a power component for driving the blade disc 3 to intermittently rotate is arranged on the box body 1, three fan-shaped chambers 2 are uniformly arranged on the blade disc 3, inner hollow pipes 19 are rotatably connected to the inner walls of the bottoms of the fan-shaped chambers 2, a baffle ring 30 is fixedly sleeved on the outer wall of each inner hollow pipe 19, a gear 12 to be strengthened, which is sleeved on the outer wall of each inner hollow pipe 19, is arranged at the top of each baffle ring 30, a fixing component for fixing the gear 12 to be strengthened is arranged on each inner hollow pipe 19, a second gear 18 is fixedly sleeved on the outer wall of each inner hollow pipe 19, a transmission component for driving the second gear 18 to rotate is arranged on the box body 1, a shot peening machine 11 is fixedly arranged on the outer wall of one side of the box body 1, and an injection pipe of the shot peening machine 11 extends into the box body 1, the top symmetry of box 1 runs through sliding connection has two axostylus axostyles 7, and the same circular cover plate 4 of bottom fixedly connected with of two axostylus axostyles 7 is provided with the scrubbing subassembly that treats strengthening gear 12 surface spot and clear away on the circular cover plate 4, has seted up operation mouth 26 on the box 1.

Example two

Referring to fig. 1-7, a shot peening strengthening device capable of improving stress distribution on the surface of a gear, which comprises a box body 1, wherein a blade disc 3 is rotatably connected to the inner wall of the box body 1, a power assembly for driving the blade disc 3 to intermittently rotate is arranged on the box body 1, the power assembly comprises a first motor 24 fixedly connected to the inner wall of the bottom of the box body 1, a rotating disc 23 is fixedly sleeved on an output shaft of the first motor 24, a rotating roller 20 rotatably connected to the bottom of the blade disc 3 and the inner wall of the bottom of the box body 1 is fixedly connected to the bottom of the blade disc 3, a third gear 21 is fixedly sleeved on the outer wall of the rotating roller 20, an arc-shaped rack plate 22 meshed with the third gear 21 is fixedly sleeved on the outer wall of the rotating disc 23, the first motor 24 drives the rotating roller 20 to intermittently rotate, thereby driving the blade disc 3 to rotate, and realizing rotary operation, the number of teeth of the third gear 21 is three times that of the arc-shaped rack plate 22, in order to realize that the rotating disc 23 rotates for one circle, the third gear 21 rotates for one third, three fan-shaped chambers 2 are uniformly arranged on the blade disc 3, the inner walls of the bottoms of the fan-shaped chambers 2 are respectively connected with an inner hollow tube 19 in a penetrating and rotating manner, a baffle ring 30 is fixedly sleeved on the outer wall of the inner hollow tube 19, a gear 12 to be strengthened, which is sleeved on the outer wall of the inner hollow tube 19, is arranged at the top of the baffle ring 30, a fixing component for fixing the gear 12 to be strengthened is arranged on the inner hollow tube 19, the fixing component comprises a plurality of sliding rods 28 which are connected with the inner hollow tube 19 in a penetrating and sliding manner, arc-shaped extrusion plates 29 which are in extrusion contact with the inner wall of the gear 12 to be strengthened are fixedly connected at the ends, which are far away from each other, of the plurality of sliding rods 28 are connected with the same circular table block 27 in a sliding manner, and an electric push rod 31 which is fixedly connected at the bottom and the top of the circular table block 27 is fixedly connected at the inner wall of the top of the inner hollow tube 19, the inner wall of the reinforced gear 12 is extruded by driving the arc-shaped extrusion plate 29 through the electric push rod 31, thereby achieving the purpose of fixing the reinforced gear 12, the outer wall of the inner hollow pipe 19 is fixedly sleeved with the second gear 18, the box body 1 is provided with a transmission component for driving the second gear 18 to rotate, the transmission component comprises a fixed plate 14 fixedly connected with the inner wall of one side of the box body 1 close to the shot blasting machine 11, the fixed plate 14 is connected with a rotating shaft 15 in a penetrating and rotating way, the outer wall of the rotating shaft 15 is fixedly sleeved with a first gear 13 matched with the second gear 18, the outer wall of the rotating shaft 15 is fixedly sleeved with a first belt pulley 16, the output shaft of the first motor 24 is fixedly sleeved with a second belt pulley 25, the first belt pulley 16 and the second belt pulley 25 are sleeved with the same belt 17, the number of teeth of the first gear 13 is three times that of the number of teeth of the second gear 18, the rotation of the second gear 18 is driven by the transmission component, thereby driving the gear 12 to be strengthened to rotate, so that the strengthening is more uniform, the outer wall of one side of the box body 1 is fixedly provided with the shot-blasting machine 11, the injection pipe of the shot-blasting machine 11 extends into the box body 1, the inner wall of the top of the box body 1 is fixedly provided with the partition plate 10, the bottom of the partition plate 10 is contacted with the top of the blade disc 3, the arranged partition plate 10 isolates the fan-shaped cavity 2 being strengthened when the shot-blasting machine 11 injects shots, so as to prevent the shots from popping out, the top of the box body 1 is symmetrically connected with two shaft levers 7 in a penetrating and sliding manner, the bottoms of the two shaft levers 7 are fixedly connected with the same circular cover plate 4, the tops of the two shaft levers 7 are fixedly connected with the same connecting plate 8, the outer wall of the top of the box body 1 is fixedly connected with a piston rod and a hydraulic cylinder 9 fixedly connected with the bottom of the connecting plate 8, and the purpose of lifting the circular cover plate 4 is realized through the work of the hydraulic cylinder 9, be provided with on the circular cover plate 4 and treat the scrubbing subassembly that reinforces gear 12 surface spot was clear away, the scrubbing subassembly includes that the inner wall of circular cover plate 4 rotates the annular brush 5 of connecting, ring gear 6 in the top fixedly connected with of annular brush 5, the fixed second motor 32 that is provided with of top inner wall of circular cover plate 4, fixed cover is equipped with the fourth gear 33 with the meshing of interior ring gear 6 on the output shaft of second motor 32, drive the rotation of annular brush 5 through second motor 32, thereby the realization is treated the decontamination of strengthening gear 12, make the effect of reinforceing better, operation mouth 26 has been seted up on the box 1.

The working principle is as follows: when the gear 12 to be strengthened needs to be strengthened, the gear 12 to be strengthened is sleeved on the hollow tube 19 close to the operation port 26 through the operation port 26, after the sleeve is completed, the electric push rod 31 is started to work, the electric push rod 31 works to drive the circular table block 27 to move, the circular table block 27 moves to drive the plurality of slide rods 28 to slide, the plurality of slide rods 28 slide to drive the plurality of arc-shaped extrusion plates 29 to move away from each other, the plurality of arc-shaped extrusion plates 29 move to realize the extrusion fixation of the gear 12 to be strengthened, after the fixation is completed, the electric push rod 31 is closed to work, the first motor 24 is started to instantaneously rotate, the rotation of the first motor 24 simultaneously drives the rotating disc 23 and the second belt pulley 25 to rotate, the rotation of the rotating disc 23 drives the third gear 21 to intermittently rotate through the arc-shaped rack plate 22, the intermittent rotation of the third gear 21 drives the rotating roller 20 to intermittently rotate, the intermittent rotation of the rotating roller 20 drives the blade disc 3 to rotate intermittently, the intermittent rotation of the blade disc 3 drives the inner hollow tube 19 to rotate intermittently, the intermittent rotation of the inner hollow tube 19 drives the gear 12 to be strengthened and the second gear 18 to rotate intermittently, when the gear 12 to be strengthened rotates under the circular cover plate 4 intermittently, the arc-shaped rack plate 22 is just separated from the third gear 21, at the moment, a worker installs the part on the inner hollow tube 19 close to the operation opening 26, meanwhile, the stretching of the hydraulic cylinder 9 drives the connecting plate 8 to move, the movement of the connecting plate 8 drives the shaft lever 7 to slide, the sliding of the shaft lever 7 drives the circular cover plate 4 to move, the movement of the circular cover plate 4 drives the annular brush 5 to move, when the annular brush 5 moves to be completely sleeved on the outer wall of the second gear 18, the work of the hydraulic cylinder 9 is closed, the second motor 32 is started to rotate, and the rotation of the second motor 32 drives the fourth gear 33 to rotate, the rotation of the fourth gear 33 drives the inner toothed ring 6 to rotate, the rotation of the inner toothed ring 6 drives the annular brush 5 to rotate, the rotation of the annular brush 5 realizes the removal of iron chips and dust on the surface of the gear 12 to be strengthened, after the removal is finished, the hydraulic cylinder 9 raises the circular cover plate 4 to the initial position, at the moment, the arc-shaped rack plate 22 is just meshed with the third gear 21, the intermittent rotation of the third gear 21 rotates the second gear 18 to be just meshed with the first gear 13, at the moment, the third gear 21 is separated from the arc-shaped rack plate 22, the inner hollow pipe 19 with the finished parts is rotated to the right lower part of the shaft lever 7, when the second gear 18 is intermittently rotated to be just meshed with the first gear 13, the work of the shot blasting machine 11 is started, at the moment, the rotation of the second belt pulley 25 drives the first belt pulley 16 to rotate through the belt 17, the rotation of the first belt pulley 16 drives the rotation shaft 15 to rotate, the rotation of the shaft 15 drives the first gear 13 to rotate, at the moment, the rotation of the first gear 13 drives the second gear 18 to rotate, the rotation of the second gear 18 drives the gear 12 to be strengthened to rotate, when the gear 12 to be strengthened rotates, the shot blasting machine 11 uniformly sprays shots on the surface of the gear 12 to be strengthened to strengthen, the gear 12 to be strengthened below the circular cover plate 4 is cleaned, a worker continues to mount and fix the hollow pipe 19 close to the operation opening 26, after the second gear 18 rotates for one circle, the shot blasting machine 11 is closed to work, the intermittent rotation of the third gear 21 rotates the gear 12 to be strengthened to return to a position close to the operation opening 26, at the moment, the electric push rod 31 is opened to remove the fixation of the gear 12 to be strengthened, the gear 12 to be strengthened after being strengthened is taken out and other gears 12 to be strengthened are put on to clamp, at the moment, the gear 12 to be strengthened below the circular cover plate 4 is cleaned, and (3) performing strengthening treatment on the gear 12 to be strengthened at a position close to the shot blasting machine 11, circularly performing strengthening treatment on other gears 12 to be strengthened, and turning off the work of all electric appliances after all treatments are completed.

However, as is well known to those skilled in the art, the working principles and wiring methods of the hydraulic cylinder 9, the shot-blasting machine 11, the first motor 24, the electric push rod 31 and the second motor 32 are common and are conventional means or common knowledge, and thus will not be described herein, and those skilled in the art can make any choice according to their needs or convenience.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be able to cover the technical scope of the present invention and the equivalent alternatives or modifications according to the technical solution and the inventive concept of the present invention within the technical scope of the present invention.