阅读说明：本技术 一种汽车轴类淬火处理自动化设备及操作方法 (Automatic quenching treatment equipment for automobile shafts and operation method ) 是由 张彦磊 于 2020-06-30 设计创作，主要内容包括：本发明属于汽车轴类加工生产设备技术领域,尤其是一种汽车轴类淬火处理自动化设备及操作方法,包括工作台,工作台的上表面固定连接有第一支撑块,第一支撑块的上表面设置有自动夹紧机构。该汽车轴类淬火处理自动化设备,通过设置第一支撑块的上表面设置有自动夹紧机构,且自动夹紧机构包括有固定块,第一支撑块的上表面与固定块的下表面固定连接,达到了设置弧形气缸对加工轴进行自动夹紧,从而实现自动化功能完善,夹紧用时短,效率高,以及大大减轻了操作者劳动强度的效果,现有的淬火固定方式不仅对操作者劳动强度大,用时长,而且目前的汽车轴类淬火设备自动化功能也不完善,自动化程度低,操作也不方便的问题。(The invention belongs to the technical field of automobile shaft machining production equipment, and particularly relates to automatic automobile shaft quenching treatment equipment and an operation method. This automation equipment is handled in quenching of car axle class, upper surface through setting up first supporting block is provided with automatic clamping mechanism, and automatic clamping mechanism is including the fixed block, the upper surface of first supporting block and the lower fixed surface connection of fixed block, it carries out automatic clamping to the processing axle to have reached to set up the arc cylinder, thereby realize that automatic function is perfect, it is short when pressing from both sides tight, high efficiency, and alleviateed operator intensity of labour's effect greatly, current fixed mode of quenching is not only big to operator intensity of labour, long time spent, and present car axle class quenching equipment automation function is also imperfect, the degree of automation is low, also inconvenient problem operates.)

1. The utility model provides an automobile axle class quenching treatment automation equipment, includes workstation (1), its characterized in that: the upper surface fixed connection of workstation (1) has first supporting block (2), the upper surface of first supporting block (2) is provided with automatic clamping mechanism, and automatic clamping mechanism is including fixed block (3), the upper surface of first supporting block (2) and the lower fixed surface of fixed block (3) are connected.

2. The automatic quenching treatment equipment for the automobile shafts according to claim 1, which is characterized in that: first mounting groove (31) have been seted up to the right side surface of fixed block (3), the left side inner wall fixed mounting of first mounting groove (31) has first driving motor (32), driving motor's output shaft has first transmission shaft (33) through shaft coupling fixed mounting, the one end external surface fixed of first transmission shaft (33) cup joints geneva mechanism (34), the outer surface of driven geneva passes through the inner wall fixed of bearing and first mounting groove (31) and cup joints in geneva mechanism (34).

3. The automatic quenching treatment equipment for the automobile shafts according to claim 2, which is characterized in that: the right side surface of a driven sheave in the sheave mechanism (34) is fixedly connected with a disc (35), an arc-shaped cavity (36) is arranged inside the disc (35), an arc-shaped cylinder (37) is fixedly mounted on the inner wall of the arc-shaped cavity (36), and a first placing hole (38) is formed in the right side surface of the disc (35).

4. The automatic quenching treatment equipment for the automobile shafts according to claim 3, which is characterized in that: the preceding inner wall of arc cavity (36) link up and extend to the first preceding inner wall of placing hole (38), the first inner wall of placing hole (38) is provided with processing axle (39), the surface contact of piston rod one end upper surface and processing axle (39) of arc cylinder (37), the piston rod one end surface of arc cylinder (37) cup joints with the inner wall of arc cavity (36) slides, the right side fixed surface of fixed block (3) is connected with locating piece (310) that are the symmetric distribution, two contained angle between locating piece (310) is 120 degrees.

5. The automatic quenching treatment equipment for the automobile shafts as claimed in claim 4, wherein the quenching treatment equipment comprises: slide holes (311) are formed in the right side surfaces of the two positioning blocks (310), the outer surface of the machining shaft (39) is matched with the inner wall of the slide hole (311), a second driving motor (312) and a second supporting block (313) are fixedly mounted on the upper surface of the workbench (1) respectively, and a second transmission shaft (314) is fixedly mounted on an output shaft of the second driving motor (312) through a coupler.

6. The automatic quenching treatment equipment for the automobile shafts according to claim 5, which is characterized in that: the back of second supporting shoe (313) has fixed bull stick (315) that has cup jointed through the bearing, the front fixedly connected with baffle (316) of first supporting shoe (2), the lower surface of baffle (316) and the upper surface fixed connection of workstation (1).

7. The automatic quenching treatment equipment for the automobile shafts according to claim 6, which is characterized in that: the outer surface of one end of the second transmission shaft (314) extends to the back face of the partition plate (316) after being fixedly positioned in the bearing and the partition plate (316), the outer surface of one end of the rotating rod (315) extends to the back face of the partition plate (316) after being fixedly positioned in the bearing and the partition plate (316), and a belt transmission mechanism (317) is fixedly sleeved on the outer surface of one end of the second transmission shaft (314).

8. The automatic quenching treatment equipment for the automobile shafts according to claim 7, which is characterized in that: the inner wall of a driven belt wheel in the belt transmission mechanism (317) is fixedly sleeved with the outer surface of one end of the rotating rod (315), and the outer surface of a transmission belt in the belt transmission mechanism (317) is fixedly connected with an installation block (318).

9. The automatic quenching treatment equipment for the automobile shafts according to claim 8, characterized in that: the inner side surface of the mounting block (318) is respectively and fixedly provided with a quenching nozzle (319) and a cooling nozzle (320) which are distributed in an annular array, and the right side surface of the fixing block (3) is provided with a second placing hole (321).

10. The operation method of the automatic quenching equipment for the automobile shafts as claimed in any one of claims 1 to 9, which is characterized by comprising the following steps:

firstly, an operator brings one end of a processing shaft (39) into contact with the inside of a sliding hole (311) which is bounded by the center of the right side surface of a fixed block (3) and is positioned on a positioning block (310) arranged at the rear part, and slides the processing shaft into a first placing hole (38) through the sliding hole (311), at the moment, an arc-shaped cylinder (37) is firstly controlled to start through a program which is pre-programmed by the operator, a piston rod of the arc-shaped cylinder (37) extends out to move to be in contact with the inside of an arc-shaped cavity (36) positioned at the front part of a disc (35), the upper surface of one end of the piston rod of the arc-shaped cylinder (37) is in abutting contact with the outer surface of the processing shaft (39) arranged in the first placing hole (38);

secondly, controlling a first driving motor (32) to start through a program, wherein the first driving motor (32) drives a first transmission shaft (33) to rotate for a circle, a driving sheave in a sheave mechanism (34) connected with the surface of the first transmission shaft (33) is driven to rotate intermittently, a disc (35) connected with a driven sheave in the sheave mechanism (34) is driven to rotate, a processing shaft (39) in a placing hole in the disc (35) is driven to rotate for 120 degrees clockwise, the first driving motor (32) drives the first transmission shaft (33) to rotate for a circle and then stops working, and at the moment, the processing shaft (39) in the placing hole in the disc (35) is positioned under the disc (35) to start quenching treatment;

thirdly, controlling a second driving motor (312) to start through a program, driving the second driving motor (312) to drive a second transmission shaft (314) to rotate, driving a belt transmission mechanism (317) connected with the outer surface of the second transmission shaft (314) to rotate, driving a quenching nozzle (319) connected with a mounting block (318) on a transmission belt in the belt transmission mechanism (317) to carry out circulating quenching treatment on the local surface of the processing shaft (39), arranging a cooling nozzle (320) to cool the local surface of the processing shaft (39) after the quenching treatment, arranging a second placing hole (321) to facilitate connecting a cooling pipe and a connecting lead with the quenching nozzle (319) and the cooling nozzle (320) through the second placing hole (321) respectively, thereby facilitating better carrying out quenching treatment and cooling treatment on the local surface of the processing shaft (39), after the quenching treatment on the processing shaft (39) is completed, the second driving motor (312) is automatically controlled to stop working through a programmed program;

fourthly, the first driving motor (32) is controlled to be started again through a program, the first driving motor (32) drives the first transmission shaft (33) to rotate for a circle, a driving sheave in a sheave mechanism (34) connected with the surface of the first transmission shaft (33) is driven to rotate intermittently, a disc (35) connected with a driven sheave in the sheave mechanism (34) is driven to rotate, a processing shaft (39) in a placing hole in the disc (35) is driven to rotate for 120 degrees clockwise, the first driving motor (32) drives the first transmission shaft (33) to rotate for a circle and then stops working, and at the moment, the processing shaft (39) in the placing hole in the disc (35) is positioned at the upper part in front of the disc (35);

taking out, wherein an operator holds the processing shaft (39), the arc-shaped air cylinder (37) is controlled to be started again through a program, a piston rod of the arc-shaped air cylinder (37) makes contraction motion, the state of tightly abutting and contacting the outer surface of the processing shaft (39) arranged in the first placing hole (38) is released, at the moment, the operator moves the processing shaft (39) upwards to enable the processing shaft (39) to slide along the inner wall of a sliding hole (311) which is bounded by the center of the right side surface of the fixing block (3) and is positioned on the front part of a positioning block (310), the processing shaft (39) which is subjected to quenching treatment can be taken out, the first driving motor (32) is controlled to be started again through the program, the first driving motor (32) drives the first transmission shaft (33) to make rotation motion for one circle again, and a driving sheave in a sheave mechanism (34) connected with the surface of the first transmission shaft (, the disc (35) connected with the driven sheave in the sheave mechanism (34) is driven to rotate, a placing hole formed in the disc (35) is driven to rotate clockwise by 120 degrees, the first driving motor (32) drives the first transmission shaft (33) to rotate for a circle and then stops working, at the moment, the initial state is recovered, and the newly machined shaft (39) is quenched again.

Technical Field

The invention relates to the technical field of automobile shaft machining production equipment, in particular to automatic quenching treatment equipment for automobile shafts.

Background

Quenching, a heat treatment process of metal and glass, wherein the quenching of steel is a heat treatment process of heating the steel to a temperature above a critical temperature Ac3 (hypoeutectoid steel) or Ac1 (hypereutectoid steel), preserving heat for a period of time to make all or part of the steel become austenite 1, and then rapidly cooling to a temperature below Ms (or isothermal temperature near Ms) at a cooling speed greater than a critical cooling speed to perform martensite (or bainite) transformation, and the heat treatment process of solution treatment or rapid cooling process of materials such as aluminum alloy, copper alloy, titanium alloy, tempered glass and the like is also commonly called quenching.

When present car axle class quenching equipment quenches the removal axle type part in to the car axle class, mostly adopt the manual work to remove the material to it earlier, secondly, rethread constantly adjusts thimble position and carries out artifical top tightly, and finally, rethread fixed flaming cooling device quenches the removal axle type part, but this fixed mode of quenching is not only big to operator intensity of labour, and is long with time, and present car axle class quenching equipment automation function is also not perfect, and degree of automation is low, and the operation is also inconvenient.

Therefore, an automatic quenching treatment device for the automobile shafts is needed.

Disclosure of Invention

Based on the technical problems that the existing quenching fixing mode is high in labor intensity and long in time for operators, and the existing automobile shaft quenching equipment is not complete in automation function, low in automation degree and inconvenient to operate, the invention provides the automatic equipment for quenching treatment of the automobile shafts.

The automatic quenching treatment equipment for the automobile shafts comprises a workbench, wherein a first supporting block is fixedly connected to the upper surface of the workbench, an automatic clamping mechanism is arranged on the upper surface of the first supporting block, the automatic clamping mechanism comprises a fixing block, and the upper surface of the first supporting block is fixedly connected with the lower surface of the fixing block.

Preferably, a first mounting groove is formed in the right side surface of the fixing block, a first driving motor is fixedly mounted on the inner wall of the left side of the first mounting groove, a first transmission shaft is fixedly mounted on an output shaft of the driving motor through a coupler, a sheave mechanism is fixedly sleeved on the outer surface of one end of the first transmission shaft, and the outer surface of a driven sheave in the sheave mechanism is fixedly sleeved on the inner wall of the first mounting groove through a bearing.

Preferably, a disk is fixedly connected to the right side surface of a driven sheave in the sheave mechanism, an arc-shaped cavity is arranged inside the disk, an arc-shaped cylinder is fixedly mounted on the inner wall of the arc-shaped cavity, and a first placing hole is formed in the right side surface of the disk.

Preferably, the preceding inner wall of arc cavity link up and extend to the first preceding inner wall of placing the hole, the first inner wall of placing the hole is provided with the processing axle, the surface contact of piston rod one end upper surface and processing axle of arc cylinder, the piston rod one end surface of arc cylinder cup joints with the inner wall of arc cavity slides, the right side fixed surface of fixed block is connected with the locating piece that is the symmetric distribution, two contained angle between the locating piece is 120 degrees.

Preferably, the right side surfaces of the two positioning blocks are provided with sliding holes, the outer surface of the processing shaft is matched with the inner wall of the sliding hole, the upper surface of the workbench is fixedly provided with a second driving motor and a second supporting block respectively, and the output shaft of the second driving motor is fixedly provided with a second transmission shaft through a coupler.

Preferably, the back of the second supporting block is fixedly sleeved with a rotating rod through a bearing, the front of the first supporting block is fixedly connected with a partition plate, and the lower surface of the partition plate is fixedly connected with the upper surface of the workbench.

Preferably, the outer surface of one end of the second transmission shaft extends to the back of the partition plate after being fixedly positioned in the bearing and the partition plate, the outer surface of one end of the rotating rod extends to the back of the partition plate after being fixedly positioned in the bearing and the partition plate, and the outer surface of one end of the second transmission shaft is fixedly sleeved with a belt transmission mechanism.

Preferably, the inner wall of the driven belt wheel in the belt transmission mechanism is fixedly sleeved with the outer surface of one end of the rotating rod, and the outer surface of the transmission belt in the belt transmission mechanism is fixedly connected with the mounting block.

Preferably, the inner side surface of the mounting block is respectively and fixedly provided with a quenching nozzle and a cooling nozzle which are distributed in an annular array, and the right side surface of the fixing block is provided with a second placing hole.

Preferably, the operation method is as follows: firstly, an operator makes one end of a processing shaft contact with the inside of a sliding hole which is bounded by the center of the right side surface of a fixed block and is positioned on a positioning block arranged at the rear part, and slides into a first placing hole through the sliding hole;

secondly, controlling a first driving motor to start through a program, driving a first transmission shaft to rotate for a circle by the first driving motor, driving a driving sheave in a sheave mechanism connected with the surface of the first transmission shaft to rotate intermittently, driving a disc connected with a driven sheave in the sheave mechanism to rotate, further driving a processing shaft in a placing hole in the disc to rotate clockwise for 120 degrees, stopping working after the first driving motor drives the first transmission shaft to rotate for a circle, and starting quenching treatment on the processing shaft in the placing hole in the disc at the moment;

controlling a second driving motor to start through a program, driving a second transmission shaft to rotate by the second driving motor, driving a belt transmission mechanism connected with the outer surface of the second transmission shaft to rotate, driving a quenching nozzle connected with a mounting block on a transmission belt in the belt transmission mechanism to perform circulating quenching treatment on the local surface of the processing shaft, arranging a cooling nozzle to cool the local surface of the processing shaft after quenching treatment, arranging a second placing hole to facilitate connecting a cooling pipe and a connecting wire with the quenching nozzle and the cooling nozzle through the second placing hole respectively, thereby facilitating better quenching treatment and cooling treatment on the local surface of the processing shaft, and automatically controlling the second driving motor to stop working through the programmed program after the quenching treatment on the processing shaft is completed;

fourthly, controlling the first driving motor to start again through a program, driving the first driving motor to drive the first transmission shaft to rotate for a circle again, driving a driving sheave in a sheave mechanism connected with the surface of the first transmission shaft to rotate intermittently, driving a disc connected with a driven sheave in the sheave mechanism to rotate, further driving a processing shaft in a placing hole in the disc to rotate clockwise by 120 degrees, driving the first driving motor to drive the first transmission shaft to rotate for a circle and then stopping working, and at the moment, positioning the processing shaft in the placing hole in the disc at the upper part in front of the disc;

taking out, wherein an operator holds the processing shaft, the arc-shaped air cylinder is controlled to be started again through a program, a piston rod of the arc-shaped air cylinder makes contraction motion to release the tight contact state of the outer surface of the processing shaft arranged in the first placing hole, at the moment, the operator moves the processing shaft upwards to enable the processing shaft to slide along the inner wall of a sliding hole which is bounded by the center of the right side surface of the fixed block and is positioned on the front part of the positioning block, the processing shaft after quenching treatment can be taken out, the first driving motor is controlled to be started again through the program, the first driving motor drives the first transmission shaft to make rotation motion for one circle to drive a driving sheave in a sheave mechanism connected with the surface of the first transmission shaft to make intermittent rotation motion to drive a disk connected with a driven sheave in the sheave mechanism to make rotation motion to further drive the placing hole arranged on the disk to make 120-degree clockwise rotation motion, and the first driving motor drives the, at this time, the state is returned to the initial state, and the new processing shaft is again subjected to the quenching processing.

The beneficial effects of the invention are as follows:

be provided with automatic clamping mechanism through the upper surface that sets up first supporting block, and automatic clamping mechanism is including the fixed block, the upper surface of first supporting block and the lower fixed surface connection of fixed block have reached and have set up the arc cylinder and carry out self-holding to the processing axle to realize automatic function perfect, it is short when pressing from both sides tight, high efficiency, and alleviateed operator intensity of labour's effect greatly, current quenching fixed mode is not only big to operator intensity of labour, long when using, and present car axle class quenching equipment automated function is also imperfect, degree of automation is low, the inconvenient problem of operation also.

Drawings

FIG. 1 is a schematic diagram of an automatic apparatus for quenching treatment of automobile shafts;

FIG. 2 is an enlarged view of the structure at the position A in FIG. 1 of an automatic quenching device for automobile shafts;

FIG. 3 is a perspective view of a positioning block structure of an automatic quenching device for automobile shafts;

FIG. 4 is a perspective view of a fixed block structure of an automatic quenching device for automobile shafts;

FIG. 5 is a sectional view of a fixed block structure of an automatic quenching device for automobile shafts;

FIG. 6 is a right side view of a sheave mechanism structure of an automatic apparatus for quenching treatment of automobile shafts;

FIG. 7 is a sectional view of a disc structure of an automatic quenching device for automobile shafts.

In the figure: 1. a work table; 2. a first support block; 3. a fixed block; 31. a first mounting groove; 32. a first drive motor; 33. a first drive shaft; 34. a sheave mechanism; 35. a disc; 36. an arc-shaped cavity; 37. an arc-shaped cylinder; 38. a first placing hole; 39. processing a shaft; 310. positioning blocks; 311. a slide hole; 312. a second drive motor; 313. a second support block; 314. a second drive shaft; 315. a rotating rod; 316. a partition plate; 317. a belt drive mechanism; 318. mounting blocks; 319. a quenching nozzle; 320. cooling the nozzle; 321. and a second placing hole.

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.

Referring to fig. 1-7, an automatic quenching device for automobile shafts comprises a workbench 1, wherein a first supporting block 2 is fixedly connected to the upper surface of the workbench 1, an automatic clamping mechanism is arranged on the upper surface of the first supporting block 2, the automatic clamping mechanism comprises a fixed block 3, and the upper surface of the first supporting block 2 is fixedly connected with the lower surface of the fixed block 3.

Further, a first mounting groove 31 is formed in the right side surface of the fixing block 3, a first driving motor 32 is fixedly mounted on the left inner wall of the first mounting groove 31, a first transmission shaft 33 is fixedly mounted on an output shaft of the driving motor through a coupler, a sheave mechanism 34 is fixedly sleeved on the outer surface of one end of the first transmission shaft 33, and the outer surface of a driven sheave in the sheave mechanism 34 is fixedly sleeved with the inner wall of the first mounting groove 31 through a bearing.

Further, a disc 35 is fixedly connected to the right side surface of the driven sheave in the sheave mechanism 34, an arc-shaped cavity 36 is arranged inside the disc 35, an arc-shaped cylinder 37 is fixedly mounted on the inner wall of the arc-shaped cavity 36, and a first placing hole 38 is formed in the right side surface of the disc 35.

Further, the front inner wall of the arc-shaped cavity 36 penetrates through and extends to the front inner wall of the first placing hole 38, a processing shaft 39 is arranged on the inner wall of the first placing hole 38, the upper surface of one end of the piston rod of the arc-shaped cylinder 37 contacts with the outer surface of the processing shaft 39, the outer surface of one end of the piston rod of the arc-shaped cylinder 37 is in sliding sleeve connection with the inner wall of the arc-shaped cavity 36, the right side surface of the fixing block 3 is fixedly connected with positioning blocks 310 which are symmetrically distributed, and an included angle between the two positioning blocks 310 is 120 degrees.

Further, slide holes 311 are formed in the right side surfaces of the two positioning blocks 310, the outer surface of the processing shaft 39 is matched with the inner wall of the slide hole 311, a second driving motor 312 and a second supporting block 313 are fixedly mounted on the upper surface of the workbench 1, and a second transmission shaft 314 is fixedly mounted on an output shaft of the second driving motor 312 through a coupling.

Further, the back of the second supporting block 313 is fixedly sleeved with a rotating rod 315 through a bearing, the front of the first supporting block 2 is fixedly connected with a partition plate 316, and the lower surface of the partition plate 316 is fixedly connected with the upper surface of the workbench 1.

Further, the outer surface of one end of the second transmission shaft 314 extends to the back of the partition plate 316 after being fixedly positioned with the inside of the partition plate 316 through a bearing, the outer surface of one end of the rotating rod 315 extends to the back of the partition plate 316 after being fixedly positioned with the inside of the partition plate 316 through a bearing, and the outer surface of one end of the second transmission shaft 314 is fixedly sleeved with a belt transmission mechanism 317.

Further, the inner wall of the driven pulley in the belt transmission mechanism 317 is fixedly sleeved with the outer surface of one end of the rotating rod 315, and the outer surface of the transmission belt in the belt transmission mechanism 317 is fixedly connected with a mounting block 318.

Further, the inner side surface of the mounting block 318 is fixedly mounted with a quenching nozzle 319 and a cooling nozzle 320 which are distributed in an annular array, respectively, and the right side surface of the fixing block 3 is provided with a second placing hole 321.

Be provided with automatic clamping mechanism through the upper surface that sets up first supporting block 2, and automatic clamping mechanism is including fixed block 3, the upper surface of first supporting block 2 and the lower fixed surface connection of fixed block 3, reached and set up arc cylinder 37 and carry out automatic clamping to processing axle 39, thereby realize automatic function is perfect, it is short when pressing from both sides tight, high efficiency, and alleviateed operator intensity of labour's effect greatly, current quenching fixed mode is not only big to operator intensity of labour, long time, and present car axle class quenching equipment automation function is also imperfect, the degree of automation is low, the inconvenient problem of operation also.

The working principle is as follows: firstly, an operator makes one end of a processing shaft 39 contact with the inside of a sliding hole 311 which is bounded by the center of the right side surface of a fixed block 3 and is positioned on a positioning block 310 arranged at the rear part, and slides into a first placing hole 38 through the sliding hole 311, at the moment, the operator firstly controls an arc-shaped cylinder 37 to start through a program which is pre-programmed by the operator, a piston rod of the arc-shaped cylinder 37 makes stretching motion to contact with the inside of an arc-shaped cavity 36 positioned at the front part of a disc 35, and the upper surface of one end of the piston rod of the arc-shaped cylinder 37 is tightly contacted with the outer surface of the processing shaft 39 arranged in the first placing hole 38, so;

secondly, controlling a first driving motor 32 to start through a program, driving the first driving motor 32 to drive a first transmission shaft 33 to rotate for a circle, driving a driving sheave in a sheave mechanism 34 connected with the surface of the first transmission shaft 33 to rotate intermittently, driving a disc 35 connected with a driven sheave in the sheave mechanism 34 to rotate, further driving a processing shaft 39 in a placing hole in the disc 35 to rotate clockwise by 120 degrees, and stopping working after the first driving motor 32 drives the first transmission shaft 33 to rotate for a circle, wherein at the moment, the processing shaft 39 in the placing hole in the disc 35 is positioned right below the disc 35 to start quenching treatment;

step three, controlling the second driving motor 312 to start through a program, driving the second driving motor 312 to drive the second transmission shaft 314 to rotate, driving the belt transmission mechanism 317 connected with the outer surface of the second transmission shaft 314 to rotate, driving the quenching nozzle 319 connected with the mounting block 318 on the transmission belt in the belt transmission mechanism 317 to perform circulating quenching treatment on the local surface of the processing shaft 39, arranging the cooling nozzle 320 to cool the local surface of the processing shaft 39 after quenching treatment, arranging the second placing hole 321 to facilitate the connection of the cooling pipe and the connecting lead with the quenching nozzle 319 and the cooling nozzle 320 through the second placing hole 321, thereby facilitating better quenching treatment and cooling treatment on the local surface of the processing shaft 39, and automatically controlling the second driving motor 312 to stop working through the programmed program after the quenching treatment on the processing shaft 39 is completed;

fourthly, the first driving motor 32 is controlled to be started again through a program, the first driving motor 32 drives the first transmission shaft 33 to rotate for a circle, a driving sheave in a sheave mechanism 34 connected to the surface of the first transmission shaft 33 is driven to rotate intermittently, a disc 35 connected with a driven sheave in the sheave mechanism 34 is driven to rotate, a processing shaft 39 in a placing hole in the disc 35 is driven to rotate clockwise for 120 degrees, the first driving motor 32 drives the first transmission shaft 33 to rotate for a circle and then stops working, and at the moment, the processing shaft 39 in the placing hole in the disc 35 is located at the upper part in front of the disc 35;

taking out, wherein an operator holds the processing shaft 39, controls the arc cylinder 37 to restart through a program, makes a piston rod of the arc cylinder 37 perform contraction motion, removes the state of abutting contact with the outer surface of the processing shaft 39 arranged in the first placing hole 38, at the moment, the operator moves the processing shaft 39 upwards to enable the processing shaft 39 to slide along the inner wall of a sliding hole 311 which is defined by the center of the right side surface of the fixed block 3 and is positioned on the front part of a positioning block 310, so that the processed shaft 39 after quenching treatment can be taken out, controls the first driving motor 32 to restart through the program, drives the first driving shaft 33 to perform rotation motion for one circle again by the first driving motor 32, drives a driving sheave in the sheave mechanism 34 connected with the surface of the first driving shaft 33 to perform intermittent rotation motion, drives a disc 35 connected with a driven sheave in the sheave mechanism 34 to perform rotation motion, and further drives the placing hole arranged on the disc 35 to perform 120-degree clockwise rotation, the first drive motor 32 stops the operation after driving the first transmission shaft 33 to rotate for one turn, and at this time, the initial state is restored, and the quenching process is performed again on the newly processed shaft 39.

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 considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.