CN216422225U - Shot blasting machine for gearbox cover - Google Patents

Abstract

The utility model relates to a gear box cover shot-blasting machine, it includes the workstation, fixedly connected with shot-blasting chamber on the workstation, and the one end of shot-blasting chamber articulates there is the revolving door of double open type, and the one end that the workstation was kept away from to the shot-blasting chamber has set firmly the impeller head, is equipped with tilting mechanism in the shot-blasting chamber. The workstation supports the shot-blasting chamber subaerial, place the gear box lid in the shot-blasting chamber when using the shot-blasting machine, close the revolving door, start the shot-blasting machine, make the shot-blasting machine erupt the ball of high-speed motion, carry out hammer milling processing to gear box lid surface, tilting mechanism makes the gear box lid overturn in the shot-blasting chamber, make each face of gear box lid can both be by good polishing, this application has the part surface that makes the shot-blasting machine can place its inside more evenly and throws ball processing, improve the effect of the practicality of shot-blasting machine use.

Description

Shot blasting machine for gearbox cover

Technical Field

The application relates to the field of shot blasting treatment of surfaces, in particular to a shot blasting machine for a gearbox cover.

Background

The surface shot blasting treatment process makes use of high-speed steel shot flow to impact the treated surface, so as to clean burrs and the like on a surface material, the surface shot blasting treatment process is widely applied to large-scale infrastructure projects such as highways, airports, bridges and the like, and shot blasting machines in the market can be used for treating the surfaces of materials such as steel plates, gear box covers and the like.

The prior Chinese patent with publication number CN211053474U discloses a shot blasting machine, which comprises a shot blasting motor, a power transmission unit, a frame, a shot hopper and a separation bin, wherein the shot blasting motor is connected with the power transmission unit, the frame comprises an impact bin and a rebound bin which are sequentially connected, and the separation bin is communicated with the shot hopper; the shot blasting machine comprises a fan unit, the fan unit is communicated with the upper end of the separation bin, the sectional area of the bounce bin is gradually reduced from the bottom to the top, an arc section is arranged at the top and communicated with the separation bin, a straight pipe section is arranged on the side face of the separation bin and communicated with an opening at the top of the bounce bin, and the bottom is communicated with a shot hopper.

In view of the above-mentioned related technologies, the inventor believes that when the shot blasting machine is used, the parts to be shot-blasted are directly placed in the shot blasting machine, most of the parts are stacked at one place, the shot blasting machine is difficult to perform good shot blasting operation on the surfaces of all the parts, and the defect of uneven shot blasting treatment effect on the surfaces of the parts exists.

SUMMERY OF THE UTILITY MODEL

In order to enable the shot blasting machine to more uniformly perform shot blasting treatment on the surfaces of parts placed in the shot blasting machine, the application provides a gear box cover shot blasting machine.

The application provides a gear box cover shot blasting machine adopts following technical scheme:

the utility model provides a gear box lid shot-blasting machine, includes the workstation, fixedly connected with shot-blasting chamber on the workstation, and the one end of shot-blasting chamber articulates there is the revolving door of double open type, and the one end that the workstation was kept away from to the shot-blasting chamber has set firmly the impeller head, is equipped with tilting mechanism in the shot-blasting chamber.

Through adopting above-mentioned technical scheme, the workstation supports the shot-blasting chamber subaerial, place the gear box lid in the shot-blasting chamber when using the shot-blasting machine, close the revolving door, start the shot-blasting machine, make the shot-blasting machine erupt the bobble of high-speed motion, carry out hammer mill processing to gear box lid surface, tilting mechanism makes the gear box lid overturn in the shot-blasting chamber, each face that makes the gear box lid can both be by good polishing, make the shot-blasting machine can throw the ball processing to its inside part surface of placing more evenly, improve the practicality that the shot-blasting machine used.

Optionally, the turnover mechanism includes a turnover drum, the cross section of the turnover drum is semicircular, a plurality of through shot discharging ports are formed in the wall of the turnover drum, the turnover drum is close to a turnover frame fixedly connected to two ends of the shot blasting chamber, a turnover motor is fixedly arranged at one end of the shot blasting chamber close to the turnover frame, and an output shaft of the turnover motor is fixedly connected to one end of the turnover frame close to the turnover motor.

Through adopting above-mentioned technical scheme, place the gear case lid in a upset section of thick bamboo, when shot-blasting machine during operation, the upset motor rotates, and the output shaft of upset motor drives the roll-over stand and a section of thick bamboo rotation of overturning to make the gear case lid make a round trip to roll in an upset section of thick bamboo, realize the reverse side operation of gear case lid, thereby make the impeller head can throw the ball to each face of gear case lid and handle, improve the practicality that the shot-blasting machine used.

Optionally, two parallel ends of the turnover drum and the workbench are fixedly provided with a limiting plate.

Through adopting above-mentioned technical scheme, when the upset of making a round trip in the shot-blasting chamber of a upset section of thick bamboo, the gear box lid is made a round trip to roll in the upset section of thick bamboo, and the limiting plate makes the gear box lid be difficult for dropping from turning over in the cylinder, guarantees that the shot-blasting machine can throw the ball processing to the gear box lid in the upset section of thick bamboo better, improves the practicality that the shot-blasting machine used.

Optionally, a plurality of turning blocks are fixedly arranged on one surface of the turning cylinder, which is far away from the workbench.

Through adopting above-mentioned technical scheme, the upset piece increases the frictional force between upset cylinder and the gear case lid, and the upset piece props the one end of gear case lid in relative position simultaneously, and then makes the gear case lid overturn in the upset cylinder better, guarantees that the shot-blasting machine can throw the ball processing to the gear case lid in the upset cylinder better, improves the practicality that the shot-blasting machine used.

Optionally, one end of the workbench, which is close to the revolving door, is rotatably connected with a turnover table, two lifting motors are arranged at the end part of the workbench, which is close to the turnover table, the output shaft of the lifting motor is fixedly connected with one end of the turnover table, which is close to the lifting motor, and the width of the turnover table is smaller than that of the revolving door.

Through adopting above-mentioned technical scheme, the gear case lid that will need processing is placed on the roll-over table, and when lifting the motor function, the output shaft that lifts the motor drives the roll-over table and rotates, and the roll-over table pours the gear case lid of placing on it into the shot-blasting chamber, has reduced the intensity of labour of artifical transport to a certain extent, improves convenience and the practicality that the shot-blasting machine used.

Optionally, the two ends of the turnover table perpendicular to the workbench are fixedly provided with clamping strips, one end of the workbench close to the turnover table is provided with a container, and the edge of the container is arranged in the clamping strips to slide.

Through adopting above-mentioned technical scheme, arrange the gear case lid in the packing box in process of production, before using the shot-blasting machine, directly push away the packing box to the roll-over table, the marginal joint of packing box is under the card strip, and the roll-over table drives the packing box and lifts up, directly pours the inside gear case lid of packing box into the shot-blasting machine, makes the gear case lid can be put into the shot-blasting machine more portably, has reduced the intensity of labour of artifical transport, improves convenience and the practicality that the shot-blasting machine used.

Optionally, tilting mechanism includes the supporter, and the equal threaded connection in tip that the supporter is close to the shot-blasting room has the locating lever.

Through adopting above-mentioned technical scheme, before using the shot-blasting machine, will earlier screw off the locating lever from the tip rotation of supporter, make locating lever and supporter separation, pass the tip of supporter in the opening at gearbox cover center, install the locating lever rotation on the supporter again, make the gearbox cover fixed on the supporter, make the gearbox cover neatly arrange in the shot-blasting machine, make the shot-blasting machine can throw the ball operation to the surface of gearbox cover better, improve the practicality that the shot-blasting machine used.

Optionally, two rotating motors are arranged in the shot blasting chamber, and the output shaft of each rotating motor is fixedly connected with one end, close to the corresponding rotating motor, of the storage rack.

Through adopting above-mentioned technical scheme, rotate the motor and rotate and drive the storage rack and rotate in the shot-blasting chamber, and then make the gear box lid remove in the shot-blasting machine, make the shot-blasting machine can carry out the shot-blasting to gear box lid surface better and handle, improve the practicality that the shot-blasting machine used.

Optionally, one end fixedly connected with rotating gear that the rotation motor is close to the shot blasting room, the one end rotation that the shot blasting room is close to rotating gear is connected with transmission gear one and transmission gear two, the overcoat is equipped with the conveying chain with transmission gear one, the outside of shot blasting room is arranged in to the one end that the conveying chain is close to the revolving door, the conveying chain is connected with the rotating gear meshing, the one end that the shot blasting room is close to transmission gear one has set firmly the transmission motor, the output shaft and the transmission gear one fixed connection of transmission motor, the one end that the shot blasting room is close to rotating gear has set firmly the conveying rack, the direction of conveying rack is the same with the direction of conveying chain, the conveying rack is connected with the one end meshing that the rotating gear is close to the conveying rack.

Through adopting the above-mentioned technical scheme, the conveying motor rotates and drives the first transfer gear, the second transfer gear rotates, the first transfer gear, the second transfer gear rotates and makes the transfer chain rotate, the transfer chain drives and connects the running gear rotation rather than the meshing, running gear rotates on the conveying rack, realize that running gear moves outside the shot blasting chamber, and then realize that the storage rack moves outside the shot blasting chamber, when settling the gear case lid on the storage rack, move the storage rack outside the shot blasting machine, when using the shot blasting machine, with in the supporter immigration shot blasting machine, make the gear case lid can be settled on the storage rack more portably, improve convenience and the practicality that the shot blasting machine used.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the shot blasting machine comprises a workbench, a shot blasting chamber, a rotary door, a gear case cover, a shot blasting machine, a rotary door, a rotary table and a rotary table, wherein the shot blasting chamber is supported on the ground by the workbench, the gear case cover is placed in the shot blasting chamber when the shot blasting machine is used, the rotary door is closed, the shot blasting machine is started to enable the shot blasting machine to eject small balls moving at a high speed, the hammer milling processing is carried out on the surface of the gear case cover, the gear case cover is turned over in the shot blasting chamber by the aid of the turning mechanism, all surfaces of the gear case cover can be well polished, the shot blasting processing can be more uniformly carried out on the surfaces of parts placed in the shot blasting machine by the shot blasting machine, and the use practicability of the shot blasting machine is improved;

2. the gear box cover is placed in the overturning barrel, when the shot blasting machine works, the overturning motor rotates, and the output shaft of the overturning motor drives the overturning frame and the overturning barrel to rotate, so that the gear box cover overturns back and forth in the overturning barrel, the reverse side operation of the gear box cover is realized, the shot blasting machine can perform shot blasting treatment on each side of the gear box cover, and the use practicability of the shot blasting machine is improved;

3. before using the shot-blasting machine, will follow the rotatory unthreading of tip of supporter with the locating lever earlier, make locating lever and supporter separation, pass the tip of supporter in the opening at gearbox cover center, install the locating lever rotation on the supporter again, make the gearbox cover fixed on the supporter, make the gearbox cover neatly arrange in the shot-blasting machine, make the shot-blasting machine can throw the ball operation to the surface of gearbox cover better, improve the practicality that the shot-blasting machine used.

Drawings

Fig. 1 is a schematic structural diagram of the first embodiment.

Fig. 2 is a schematic structural diagram of the second embodiment.

Fig. 3 is a schematic structural view of a first transmission gear and a second transmission gear in the second embodiment.

Description of reference numerals: 1. a work table; 2. a shot blasting chamber; 3. a revolving door; 4. a shot blasting machine; 5. a turnover mechanism; 6. turning over the drum; 7. discharging pills; 8. a roll-over stand; 9. turning over a motor; 10. a limiting plate; 11. turning over the block; 12. a turning table; 13. lifting the motor; 14. clamping the strip; 15. a rack; 16. positioning a rod; 17. rotating the motor; 18. a rotating gear; 19. a first transmission gear; 20. a second transmission gear; 21. a conveyor chain; 22. a transfer motor; 23. a transfer rack; 24. a storage bin; 25. a conveyor; 26. a cargo box; 27. and (5) collecting pills and making holes.

Detailed Description

The present application is described in further detail below with reference to the accompanying drawings.

The first embodiment is as follows:

referring to fig. 1, a shot blasting machine for a gearbox cover comprises a workbench 1, wherein a shot blasting chamber 2 is fixedly connected to the workbench 1, and a shot blasting device 4 is fixedly arranged at one end, far away from the workbench 1, of the shot blasting chamber 2. The working table 1 supports the shot blasting chamber 2 on the ground, places the gear box cover in the shot blasting chamber 2 when the shot blasting machine is used, starts the shot blasting machine, enables the shot blasting machine 4 to eject small balls moving at a high speed, and performs hammer milling processing on the surface of the gear box cover to realize the shot blasting function of the shot blasting machine.

Referring to fig. 1, a conveyor 25 is fixedly arranged at one end of the workbench 1 close to the shot blasting chamber 2, and the conveyor 25 is perpendicular to the ground. The conveyer 25 conveys the redundant small balls in the shot blasting chamber 2 to one end close to the shot blasting device 4 along the vertical direction, and the shot blasting device 4 injects the small balls into the shot blasting chamber 2, so that the small balls are recycled, and the practicability of the shot blasting machine is improved.

Referring to fig. 1, a storage bin 24 is fixedly arranged at one end of the shot blasting chamber 2 close to the shot blasting device 4, a feeding end of the storage bin 24 is positioned below one end of a conveyor 25 close to the shot blasting chamber 2, and the storage bin 24 is communicated with the shot blasting device 4. The small balls in the conveyor 25 enter the storage bin 24, the storage bin 24 stores the small balls, and when the shot blasting machine works, the small balls in the storage bin 24 are sprayed into the shot blasting chamber 2 by the shot blasting machine 4, so that the circulating shot blasting function of the shot blasting machine is realized, and the use practicability of the shot blasting machine is improved.

Referring to fig. 1, a double-open type revolving door 3 is hinged to one end of the shot blasting chamber 2 perpendicular to the workbench 1. When the shot blasting machine works, the revolving door 3 is closed, the small balls which are ejected by the shot blasting machine 4 and move at high speed are prevented from overflowing from the shot blasting machine, and the practicability of the shot blasting machine is improved.

Referring to fig. 1, one end of the blasting chamber 2 close to the workbench 1 is provided with a plurality of penetrating shot collecting holes 27. Redundant small balls in the shot blasting chamber 2 are discharged out of the shot blasting chamber 2 through the ball collecting hole 27, and the small balls are thrown into the shot blasting chamber 2 again through the conveyor 25, the storage bin 24 and the shot blasting device 4, so that the small balls are recycled, and the use practicability of the shot blasting machine is improved.

Referring to fig. 1, one end of the workbench 1 close to the revolving door 3 is rotatably connected with a turnover table 12, the end part of the workbench 1 close to the turnover table 12 is provided with two lifting motors 13, the output shaft of the lifting motor 13 is fixedly connected with one end of the turnover table 12 close to the lifting motor 13, the output shaft of the turnover motor 9 is fixedly connected with one end of the turnover frame 8 close to the turnover motor 9, and the width of the turnover table 12 is smaller than that of the revolving door 3. The gear box cover to be processed is placed on the overturning platform 12, when the motor 13 is lifted, the output shaft of the motor 13 is lifted to drive the overturning platform 12 to rotate, the gear box cover placed on the overturning platform 12 is poured into the shot blasting chamber 2 by the overturning platform 12, the labor intensity of manual carrying is reduced to a certain extent, and the use convenience and the use practicability of the shot blasting machine are improved.

Referring to fig. 1, the two ends of the turning table 12 perpendicular to the workbench 1 are both fixedly provided with the clamping strips 14, one end of the workbench 1 close to the turning table 12 is provided with a container 26, and the edge of the container 26 is arranged in the clamping strips 14 to slide. In arranging the gear box cover in the packing box 26 in the production process, before using the shot-blasting machine, directly push away packing box 26 to roll-over table 12, the marginal joint of packing box 26 is under calorie strip 14, roll-over table 12 drives packing box 26 and lifts up, directly pours the gear box cover of packing box 26 inside into the shot-blasting machine, makes the gear box cover can be put into the shot-blasting machine more portably, has reduced the intensity of labour of artifical transport, improves convenience and the practicality that the shot-blasting machine used.

Referring to fig. 1, a turnover mechanism 5 is arranged in the blasting chamber 2. Tilting mechanism 5 makes the gear box lid overturn in shot-blasting chamber 2, makes each face of gear box lid can both be by good polishing, makes the shot-blasting machine can throw the ball processing to the part surface of its inside placing more evenly, improves the practicality that the shot-blasting machine used.

Referring to fig. 1, the turnover mechanism 5 comprises a turnover cylinder 6, the cross section of the turnover cylinder 6 is semicircular, a plurality of shot discharging ports 7 which are communicated with each other are formed in the wall of the turnover cylinder 6, two ends of the turnover cylinder 6, which are close to the shot blasting chamber 2, are fixedly connected with turnover frames 8, and a turnover motor 9 is fixedly arranged at one end of the shot blasting chamber 2, which is close to the turnover frames 8. Place the gear box lid in a section of thick bamboo 6 that overturns, when shot-blasting machine during operation, upset motor 9 rotates, and the output shaft of upset motor 9 drives roll-over stand 8 and upset section of thick bamboo 6 and rotates to make the gear box lid make a round trip to roll in upset section of thick bamboo 6, realize the reverse side operation of gear box lid, thereby make impeller 4 can throw the ball to each face of gear box lid and handle, unnecessary bobble is discharged through row ball mouth 7, improves the practicality that the shot-blasting machine used.

Referring to fig. 1, limiting plates 10 are fixedly arranged at two ends of the turnover cylinder 6 parallel to the workbench 1. When the turning barrel 6 is turned back and forth in the shot blasting chamber 2, the gear box cover is turned back and forth in the turning barrel 6, the limiting plate 10 enables the gear box cover to be difficult to drop from the turning barrel, shot blasting treatment can be better performed on the gear box cover in the turning barrel 6 through the shot blasting machine, and the use practicability of the shot blasting machine is improved.

Referring to fig. 1, a plurality of turning blocks 11 are fixedly arranged on one surface of the turning cylinder 6 far away from the workbench 1. The turning block 11 increases the friction between the turning cylinder 6 and the gearbox cover, and the turning block 11 supports one end of the gearbox cover at a relative position, so that the gearbox cover can be turned in the turning cylinder 6 better, the shot blasting treatment of the gearbox cover in the turning cylinder 6 can be better performed by the shot blasting machine, and the use practicability of the shot blasting machine is improved.

The implementation principle of the shot blasting machine for the gearbox cover in the embodiment of the application is as follows: the gear box cover to be processed is placed on the overturning platform 12, the motor 13 is lifted to drive the overturning platform 12 to rotate, the gear box cover placed on the overturning platform 12 is poured into the shot blasting chamber 2 by the overturning platform 12, when the shot blasting machine works, the overturning motor 9 drives the overturning frame 8 and the overturning barrel 6 to rotate, so that the gear box cover is overturned back and forth in the overturning barrel 6, the overturning operation of the gear box cover is realized, the shot blasting treatment can be carried out on each surface of the gear box cover by the shot blasting machine 4, and the use practicability of the shot blasting machine is improved.

Example two:

referring to fig. 2 and 3, the second embodiment is different from the first embodiment in that the specific structures of the swing door 3 and the turnover mechanism 5 are different. Two parallel ends of the shot blasting chamber 2 and the workbench 1 are hinged with double-open type revolving doors 3. When the shot blasting machine works, the revolving door 3 is closed, the small balls which are ejected by the shot blasting machine 4 and move at high speed are prevented from overflowing from the shot blasting machine, and the practicability of the shot blasting machine is improved.

Referring to fig. 2 and 3, tilting mechanism 5 includes supporter 15, and supporter 15 is tree-like, and supporter 15 is close to the equal threaded connection of the tip of shot-blasting room 2 and has locating lever 16. Before using the shot blasting machine, firstly, the positioning rod 16 is screwed off from the end part of the storage rack 15 in a rotating mode, so that the positioning rod 16 is separated from the storage rack 15, the end part of the storage rack 15 penetrates through an opening in the center of the gear box cover, then, the positioning rod 16 is rotatably installed on the storage rack 15, the gear box cover is fixed on the storage rack 15, the gear box cover is arranged in the shot blasting machine in order, the shot blasting machine can perform shot blasting operation on the surface of the gear box cover better, and the use practicability of the shot blasting machine is improved.

Referring to fig. 2 and 3, two rotating motors 17 are arranged in the blasting chamber 2, and output shafts of the rotating motors 17 are fixedly connected with one ends of the storage racks 15 close to the rotating motors 17. The rotating motor 17 rotates to drive the storage rack 15 to rotate in the shot blasting chamber 2, so that the gear box cover moves in the shot blasting machine, the shot blasting machine can perform shot blasting treatment on the surface of the gear box cover better, and the practicability of the shot blasting machine is improved.

Referring to fig. 2 and 3, a rotating gear 18 is fixedly connected to one end of the rotating motor 17 close to the blasting chamber 2, a first transmission gear 19 and a second transmission gear 20 are rotatably connected to one end of the blasting chamber 2 close to the rotating gear 18, a transmission chain 21 is sleeved outside the first transmission gear 19 and the second transmission gear 20, one end of the transmission chain 21 close to the revolving door 3 is arranged outside the blasting chamber 2, the transmission chain 21 is meshed with the rotating gear 18, a transmission motor 22 is fixedly arranged at one end of the blasting chamber 2 close to the first transmission gear 19, and an output shaft of the transmission motor 22 is fixedly connected with the first transmission gear 19. The conveying motor 22 rotates and drives the first conveying gear 19, the second conveying gear 20 rotates, the first conveying gear 19, the second conveying gear 20 rotates and enables the conveying chain 21 to rotate, the conveying chain 21 drives the rotating gear 18 which is connected with the conveying chain in a meshed mode to rotate, the rotating gear 18 can move inside and outside the shot blasting chamber 2, the storage rack 15 can move inside and outside the shot blasting chamber 2, when the gear box cover is arranged on the storage rack 15, the storage rack 15 is moved outside the shot blasting machine, when the shot blasting machine is used, the storage rack 15 is moved into the shot blasting machine, the gear box cover can be arranged on the storage rack 15 more conveniently, and convenience and practicability of the shot blasting machine are improved.

Referring to fig. 2 and 3, a transmission rack 23 is fixedly arranged at one end of the blasting chamber 2 close to the rotating gear 18, the direction of the transmission rack 23 is the same as that of the transmission chain 21, and the transmission rack 23 is meshed and connected with one end of the rotating gear 18 close to the transmission rack 23. When the rotating gear 18 rolls above the transmission rack 23, the transmission rack 23 supports the rotating gear 18, so that the rotating gear 18 can better move inside and outside the shot blasting chamber 2, and the use practicability of the shot blasting machine is improved.

The implementation principle of the shot blasting machine for the gearbox cover in the embodiment of the application is as follows: before using the shot-blasting machine, pass the tip of supporter 15 in the opening at gear box lid center, again with locating lever 16 swivelling joint on supporter 15, make the gear box lid fixed on supporter 15, make the gear box lid neatly arrange in the shot-blasting machine, transfer chain 21 drives and is connected the running gear 18 rather than the meshing and rotate, realizes running gear 18 and removes inside and outside shot-blasting chamber 2, and then realizes that supporter 15 removes inside and outside shot-blasting chamber 2, improves convenience and the practicality that the shot-blasting machine used.

The above are preferred embodiments of the present application, and the scope of protection of the present application is not limited thereto, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (9)

1. The utility model provides a gear box lid shot-blasting machine which characterized in that: the shot blasting machine comprises a workbench (1), wherein a shot blasting chamber (2) is fixedly connected to the workbench (1), one end of the shot blasting chamber (2) is hinged to a double-opening type rotating door (3), one end, far away from the workbench (1), of the shot blasting chamber (2) is fixedly provided with a shot blasting machine (4), and a turnover mechanism (5) is arranged in the shot blasting chamber (2).

2. The gearbox cover shot blasting machine as recited in claim 1, wherein: turnover mechanism (5) are including overturning cylinder (6), and the transversal semicircle-shaped that personally submits of overturning cylinder (6) has seted up a plurality of row balls mouth (7) that link up on overturning cylinder (6) wall, and both ends fixedly connected with roll-over stand (8) that a turnover cylinder (6) are close to shot-blast room (2), and the one end that shot-blast room (2) are close to roll-over stand (8) is fixed and is equipped with upset motor (9), and the output shaft of upset motor (9) and roll-over stand (8) are close to the one end fixed connection of upset motor (9).

3. The gearbox cover shot blasting machine as recited in claim 2, wherein: and limiting plates (10) are fixedly arranged at two ends of the overturning cylinder (6) parallel to the workbench (1).

4. The gearbox cover shot blasting machine as recited in claim 2, wherein: and a plurality of overturning blocks (11) are fixedly arranged on one surface of the overturning cylinder (6) far away from the workbench (1).

5. The gearbox cover shot blasting machine as recited in claim 2, wherein: the automatic turnover device is characterized in that one end, close to the revolving door (3), of the workbench (1) is rotatably connected with a turnover table (12), two lifting motors (13) are arranged at the end, close to the turnover table (12), of the workbench (1), the output shaft of each lifting motor (13) is fixedly connected with one end, close to the lifting motors (13), of the turnover table (12), and the width of the turnover table (12) is smaller than that of the revolving door (3).

6. The gearbox cover shot blasting machine as recited in claim 5, wherein: the two ends of the turnover table (12) perpendicular to the workbench (1) are fixedly provided with clamping strips (14), one end of the workbench (1) close to the turnover table (12) is provided with a container (26), and the edge of the container (26) is arranged in the clamping strips (14) to slide.

7. The gearbox cover shot blasting machine as recited in claim 1, wherein: turnover mechanism (5) include supporter (15), and the equal threaded connection of tip that supporter (15) is close to shot-blasting room (2) has locating lever (16).

8. The gearbox cover shot blasting machine as recited in claim 7, wherein: two rotating motors (17) are arranged in the shot blasting chamber (2), and the output shafts of the rotating motors (17) are fixedly connected with one ends, close to the rotating motors (17), of the storage racks (15).

9. The gearbox cover shot blasting machine as recited in claim 8, wherein: one end of the rotating motor (17) close to the shot blasting chamber (2) is fixedly connected with a rotating gear (18), one end of the shot blasting chamber (2) close to the rotating gear (18) is rotatably connected with a first transmission gear (19) and a second transmission gear (20), a transmission chain (21) is sleeved outside the first transmission gear (19) and the second transmission gear (20), one end of the transmission chain (21) close to the rotating door (3) is arranged outside the shot blasting chamber (2), the transmission chain (21) is meshed with the rotating gear (18), one end of the shot blasting chamber (2) close to the first transmission gear (19) is fixedly provided with a transmission motor (22), an output shaft of the transmission motor (22) is fixedly connected with the first transmission gear (19), one end of the shot blasting chamber (2) close to the rotating gear (18) is fixedly provided with a transmission rack (23), and the direction of the transmission rack (23) is the same as that of the transmission chain (21), the transmission rack (23) is meshed and connected with one end of the rotating gear (18) close to the transmission rack (23).

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