CN211414835U

CN211414835U - Shot blasting device of shot blasting machine

Info

Publication number: CN211414835U
Application number: CN201922114695.7U
Authority: CN
Inventors: 周瑜; 周孟生; 姜红岩; 孙玉虎
Original assignee: Dingzhou Mengsheng Ductile Iron Co Ltd
Current assignee: Dingzhou Mengsheng Ductile Iron Co Ltd
Priority date: 2019-12-02
Filing date: 2019-12-02
Publication date: 2020-09-04
Anticipated expiration: 2029-12-02

Abstract

The utility model relates to a shot-blasting machine technical field especially relates to a shot-blasting machine. The method comprises the design of a gas boosting type shot blasting device, wherein steel shots fall into an upper shot cavity from a hopper so as to be conveyed by a packing auger, when the steel shots are conveyed to the right end of the upper shot cavity, the steel shots are taken out under the action of high-pressure air flow, and the steel shots are thrown out at a high speed so as to process a processed surface; the packing amount of the steel shots is controlled through the conveying of the packing auger, and the packing speed of the steel shots is controlled through the rotating speed of the motor, so that the amount of the steel shots thrown out is controllable and uniform; when the steel shot is conveyed to the right end of the upper shot cavity, the steel shot is in a suspended state and is taken out under the action of air flow, high-strength collision impact hardly exists between the steel shot and the shot blasting machine, and the service life of the shot blasting machine is greatly prolonged.

Description

Shot blasting device of shot blasting machine

Technical Field

The utility model relates to a shot-blasting machine technical field especially relates to a shot-blasting machine.

Background

The shot blasting machine is casting equipment for cleaning or strengthening the surface of a casting by using high-speed shot thrown by a shot blasting machine; the main working principle of the shot blasting machine is that the fan blades are rotated at high speed by a motor, steel shots are thrown out under the action of the fan blades on the centrifugal force of the steel shots, and the steel shots are processed by a high-speed steel shot impact treatment surface; however, the blanking speed of the steel shot is not well controlled, and the subsequent processing can be influenced by the over-high blanking speed or the over-low blanking speed of the steel shot; because the steel shot directly strikes on the flabellum during unloading, the flabellum needs to be changed it every time using for a period of time, and equipment life is shorter.

SUMMERY OF THE UTILITY MODEL

The technical problem to be solved by the utility model is to provide a shot blasting device of a shot blasting machine aiming at the technical defects, the shot blasting device is designed by adopting a gas boosting type shot blasting device, the steel shots fall into the interior of a shot feeding cavity from a hopper, so that the steel shots are conveyed by an auger, when the steel shots are conveyed to the right end of the shot feeding cavity, the steel shots are taken out under the action of high-pressure air flow, and the steel shots are thrown out at a higher speed so as to process a processing surface; the packing amount of the steel shots is controlled through the conveying of the packing auger, and the packing speed of the steel shots is controlled through the rotating speed of the motor, so that the amount of the steel shots thrown out is controllable and uniform; when the steel shot is conveyed to the right end of the upper shot cavity, the steel shot is in a suspended state and is taken out under the action of air flow, high-strength collision impact hardly exists between the steel shot and the shot blasting machine, and the service life of the shot blasting machine is greatly prolonged.

In order to solve the technical problem, the utility model discloses the technical scheme who adopts is: comprises a steel shot hopper, a motor and a gas boosting type shot blasting device; the steel shot hopper is arranged above the gas boosting type shot blasting device; a slot is arranged below the steel shot hopper; the inserting plate is arranged at the inserting groove; the inserting plate is provided with an adjusting knob; the motor is arranged on one side of the gas boosting type shot blasting device; the gas boosting type shot blasting device comprises a main cylinder body, a transmission shaft, a front end cover and a rear end cover.

Further optimizing the technical scheme, the rear end cover is fixedly arranged at the left position of the main cylinder body; the transmission shaft penetrates through the bearing and is connected with the middle part of the rear end cover; the motor is fixedly arranged on the left side of the rear end cover; and the shaft end of the motor is connected with the left end of the transmission shaft through a spline.

Further optimizing the technical scheme, an upper pill cavity is arranged in the main cylinder body in the length direction; a packing auger is arranged at the periphery of the transmission shaft in the pill feeding cavity; the outer diameter of the packing auger is equal to the inner diameter of the upper pill cavity.

The technical scheme is further optimized, and a feed inlet is arranged on the main cylinder body on the left side above the upper pill cavity in a penetrating way; a discharge hole is formed below the steel shot hopper; the discharge port corresponds to the feed inlet up and down.

Further optimizing the technical scheme, an air inlet pipe is fixedly arranged on the right side of the front end of the main cylinder body; and a control air valve is fixedly arranged on the air inlet pipe.

Further optimizing the technical scheme, the right side in the main cylinder body is provided with a separation groove at the periphery of the upper pill cavity; the separation groove is communicated with the air inlet pipe.

Further optimizing the technical scheme, the right side of the partition groove is provided with a partition table; the partition table is provided with a plurality of through holes.

Further optimizing the technical scheme, a conical cavity is arranged on the right side of the partition table; the right end of the conical cavity is opened.

Further optimizing the technical scheme, the right side of the front end cover is provided with a reducing pipe; and the right side of the reducing pipe is provided with a jet orifice.

Compared with the prior art, the utility model has the advantages of it is following:

1. according to the design of the gas boosting type shot blasting device, steel shots fall into the upper shot cavity from the hopper, so that the steel shots are conveyed through the auger.

2. The packing amount of the steel shots is controlled through the auger delivery, and the packing speed of the steel shots is controlled through the rotating speed of the motor, so that the amount of the steel shots thrown out is controllable and uniform, and the problems that the blanking speed of the steel shots of the existing shot blasting machine is not easy to control, and the subsequent processing is influenced by the over-fast blanking or the over-slow blanking of the steel shots are solved.

3. When the steel shots are conveyed to the right end of the upper shot cavity, the steel shots are taken out under the action of high-pressure airflow, and the steel shots are thrown out at a high speed so as to process a processing surface.

4. When the shot cavity right-hand member was transported to the shot, the shot was in unsettled state to bring out under the effect of air current, the shot did not have high strength collision impact between to the shot-blasting machine almost, the life of shot-blasting machine increases greatly, has solved current shot-blasting machine because of the direct impact on the flabellum when the shot-blasting machine unloading, and the flabellum needs to be changed it every use a period, and equipment life is shorter problem.

Drawings

FIG. 1 is a perspective view showing the overall structure of a shot-blasting machine.

FIG. 2 is a cross-sectional view of a steel shot hopper part of a shot blasting machine shot blasting device.

Fig. 3 is a schematic view of a gas-assisted shot blasting device of a shot blasting machine shot blasting device.

Fig. 4 is a partial sectional view of the internal structure of a gas-assisted shot blasting apparatus of a shot blasting machine shot blasting apparatus.

FIG. 5 is a partial sectional view showing the structure of the gas flow direction portion inside the main cylinder of the shot-blasting machine

In the figure: 1. a steel shot hopper; 101. a slot; 102. inserting plates; 103. adjusting a knob; 104. a discharge port; 2. a motor; 3. a gas boosting type shot blasting device; 301. a main cylinder body; 302. a drive shaft; 303. a front end cover; 304. a rear end cap; 305. putting into a pill cavity; 306. a packing auger; 307. a feed inlet; 308. an air inlet pipe; 309. a control air valve; 310. separating the grooves; 311. separating the platform; 312. a through hole; 313. a tapered cavity; 314. reducing; 315. an ejection port.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings. It should be understood that the description is intended to be illustrative only and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.

The first embodiment is as follows: with reference to fig. 1-5, a shot blasting machine shot blasting device is characterized in that: comprises a steel shot hopper 1, a motor 2 and a gas boosting type shot blasting device 3; the steel shot hopper 1 is arranged above the gas boosting type shot blasting device 3; a slot 101 is arranged below the steel shot hopper 1; an inserting plate 102 is arranged at the position of the slot 101; an adjusting knob 103 is arranged on the plug board 102; the motor 2 is arranged on one side of the gas boosting type shot blasting device 3; the gas boosting type shot blasting device 3 comprises a main cylinder body 301, a transmission shaft 302, a front end cover 303 and a rear end cover 304; the rear end cover 304 is fixedly arranged at the left position of the main cylinder body 301; the transmission shaft 302 penetrates through a bearing and is connected with the middle part of the rear end cover 304; the motor 2 is fixedly arranged on the left side of the rear end cover 304; the shaft end of the motor 2 is connected with the left end of the transmission shaft 302 through a spline; an upper pill cavity 305 is arranged in the main cylinder body 301 in the length direction; an auger 306 is arranged in the upper pill cavity 305 and on the periphery of the transmission shaft 302; the outer diameter of the packing auger 306 is equal to the inner diameter of the upper pill cavity 305; a feed inlet 307 is arranged on the main cylinder body 301 on the left side above the upper pill cavity 305 in a penetrating way; a discharge hole 104 is formed below the steel shot hopper 1; the discharge hole 104 and the feed hole 307 correspond up and down; an air inlet pipe 308 is fixedly arranged on the right side of the front end of the main cylinder body 301; a control air valve 309 is fixedly arranged on the air inlet pipe 308; a separation groove 310 is formed in the right side inside the main cylinder body 301 and on the periphery of the upper pill cavity 305; the separation groove 310 is communicated with the air inlet pipe 308; the right side of the partition groove 310 is provided with a partition table 311; a plurality of through holes 312 are formed in the partition 311; a conical cavity 313 is arranged on the right side of the partition table 311; the right end of the conical cavity 313 is open; the right side of the front end cover 303 is provided with a reducing hole 314; an injection port 315 is arranged on the right side of the reducing pipe 314.

When the device is used, in the first step, as shown in fig. 1-4, steel shots are filled into the steel shot hopper 1, the control gas valve 309 is opened, gas enters the partition groove 310 through the gas inlet pipe 308, the motor 2 is started, and the transmission shaft 302 and the auger 306 are driven to rotate by the motor 2 when the motor 2 works; the steel shots fall downwards from the steel shot hopper 1, and an upper shot cavity 305 is formed in the main cylinder body 301 in the length direction; an auger 306 is arranged in the upper pill cavity 305 and on the periphery of the transmission shaft 302; the outer diameter of the packing auger 306 is equal to the inner diameter of the upper pill cavity 305; a feed inlet 307 is arranged on the main cylinder body 301 on the left side above the upper pill cavity 305 in a penetrating way; a discharge hole 104 is formed below the steel shot hopper 1; the discharge hole 104 and the feed hole 307 correspond to each other up and down', so that the steel shots can enter the upper shot cavity 305 through the discharge hole 104 and the feed hole 307; when the steel shots are pushed to the right side in the upper shot cavity 305 through the auger 306.

The faster the rotating speed of the auger 306 is, the faster the filling speed of the steel shots is, and the slower the rotating speed is, the slower the filling speed is in the same way; therefore, according to the design of the gas boosting type shot blasting device 3, the steel shots fall into the upper shot cavity 305 from the hopper, so that the steel shots are conveyed through the auger 306; the packing amount of the steel shots is conveyed and controlled by the auger 306, and the packing speed of the steel shots is controlled by the rotating speed of the motor 2, so that the amount of the steel shots thrown out is controllable and uniform, and the problems that the feeding speed of the steel shots of the existing shot blasting machine is not easy to control, and the subsequent processing is influenced by too fast or too slow feeding of the steel shots are solved.

Step two, as shown in fig. 1-5, since the right side of the partition groove 310 is provided with a partition table 311; a plurality of through holes 312 are formed in the partition 311; a conical cavity 313 is arranged on the right side of the partition table 311; the right end of the conical cavity 313 is opened', so that the gas in the separation groove 310 enters the conical cavity 313 through the through hole 312, finally reaches the right end in the upper shot cavity 305 and is sprayed out through the reducing hole 314 and the spray opening 315, the steel shots which are pushed to the right end of the upper shot cavity 305 under the action of the air flow are carried out under the action of the high-pressure air flow due to the high air pressure, and the high-pressure air flow and the steel shots are sprayed out from the spray opening 315 together.

Therefore, when the steel shots are conveyed to the right end of the upper shot cavity 305, the steel shots are taken out under the action of high-pressure air flow, and the steel shots are thrown out at a high speed so as to process the processing surface; when the steel shot conveyed the right-hand member of last shot chamber 305, the steel shot was in unsettled state to bring out under the effect of air current, the steel shot did not have high strength collision impact between to the shot-blasting machine almost, and the life of shot-blasting machine increases greatly, has solved current shot-blasting machine because of direct impact on the flabellum when the unloading of steel shot, and the flabellum needs to be changed it at every use period, the shorter problem of equipment life.

The utility model discloses a control mode comes automatic control through the controller, and the control circuit of controller can realize through the simple programming of technical staff in this field, belongs to the common general knowledge in this field, and the utility model discloses mainly be used for protecting mechanical device, so the utility model discloses no longer explain control mode and circuit connection in detail.

It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.

Claims

1. The shot blasting machine shot blasting device is characterized in that: comprises a steel shot hopper (1), a motor (2) and a gas boosting type shot blasting device (3); the steel shot hopper (1) is arranged above the gas boosting type shot blasting device (3); a slot (101) is arranged below the steel shot hopper (1); an inserting plate (102) is arranged at the position of the slot (101); an adjusting knob (103) is arranged on the inserting plate (102); the motor (2) is arranged on one side of the gas boosting type shot blasting device (3); the gas boosting type shot blasting device (3) comprises a main cylinder body (301), a transmission shaft (302), a front end cover (303) and a rear end cover (304).

2. The shot blasting machine of claim 1, wherein: the rear end cover (304) is fixedly arranged at the left position of the main cylinder body (301); the transmission shaft (302) penetrates through the bearing and is connected to the middle part of the rear end cover (304); the motor (2) is fixedly arranged on the left side of the rear end cover (304); and the shaft end of the motor (2) is in splined connection with the left end of the transmission shaft (302).

3. The shot blasting machine of claim 1, wherein: an upper pill cavity (305) is arranged in the main cylinder body (301) in the length direction; an auger (306) is arranged inside the upper pill cavity (305) and on the periphery of the transmission shaft (302); the outer diameter of the packing auger (306) is equal to the inner diameter of the upper pill cavity (305).

4. The shot-blasting machine of claim 3, characterized in that: a feed inlet (307) is arranged on the main cylinder body (301) on the left side above the upper pill cavity (305) in a penetrating way; a discharge hole (104) is formed below the steel shot hopper (1); the discharge hole (104) and the feed hole (307) correspond to each other up and down.

5. The shot blasting machine of claim 1, wherein: an air inlet pipe (308) is fixedly arranged on the right side of the front end of the main cylinder body (301); and a control air valve (309) is fixedly arranged on the air inlet pipe (308).

6. A shot-blasting machine as claimed in claim 3 or 5, characterized in that: a separation groove (310) is formed in the right side of the inside of the main cylinder body (301) and on the periphery of the upper pill cavity (305); the separation groove (310) is communicated with the air inlet pipe (308).

7. The shot blasting machine of claim 6, wherein: a partition table (311) is arranged on the right side of the partition groove (310); the partition table (311) is provided with a plurality of through holes (312).

8. The shot-blasting machine of claim 7, characterized in that: a conical cavity (313) is arranged on the right side of the partition table (311); the right end of the conical cavity (313) is open.

9. The shot blasting machine of claim 1, wherein: the right side of the front end cover (303) is provided with a reducing pipe (314); and the right side of the reducing pipe (314) is provided with a jet orifice (315).