CN211053474U

CN211053474U - Shot blasting machine

Info

Publication number: CN211053474U
Application number: CN201921345558.8U
Authority: CN
Inventors: 罗智
Original assignee: Shanghai Blastrac Equipment Manufacture Co ltd
Current assignee: Husqvarna AB
Priority date: 2019-08-19
Filing date: 2019-08-19
Publication date: 2020-07-21
Anticipated expiration: 2029-08-19

Abstract

The utility model relates to a shot blasting machine, including shot blasting motor (2), power transmission unit (3), frame (6), ball hopper (7) and separation storehouse (9), shot blasting motor (2) connect power transmission unit (3), frame (6) including impact storehouse (601) and bounce-back storehouse (602) that connect gradually, separation storehouse (9) and ball hopper (7) communicate; the shot-blasting machine still include fan unit (11), the upper end intercommunication of this fan unit (11) and separation bin (9), the sectional area of bounce-back storehouse (602) reduce from bottom to top gradually, its top is equipped with an arc section, this arc section intercommunication separation bin (9), separation bin (9) side be equipped with a straight tube section, this straight tube section with bounce-back storehouse (602) open-top intercommunication, bottom intercommunication pill hopper (7). Compared with the prior art, the utility model has the advantages of the dust separation is effectual, use cost is low and convenient to use.

Description

Shot blasting machine

Technical Field

The utility model relates to a shot blasting field especially relates to a shot blasting machine on surface.

Background

The surface shot blasting treatment process utilizes high-speed steel shot flow to impact the treated surface, so that surface layer materials and the like are cleaned, the surface shot blasting treatment process is widely applied to large-scale capital constructions such as roads, airports, bridges and the like, and the main treatment equipment is a movable shot blasting machine. At present, the movable shot blasting machine in the market is mainly used for treating the surfaces of concrete, asphalt and the like, and when the surfaces of steel plates are treated, construction contractors often adopt the shot blasting machine for treating the concrete to treat the steel plates, so that the surface treatment requirement required before the anticorrosion operation of the steel plates is difficult to meet.

The utility model discloses a utility model is CN 208528869U's utility model discloses a shot-blasting machine with dust collector belongs to metalwork surface treatment equipment technical field, has solved and has often changed the filter core and lead to inconvenient technical problem among the prior art, and its technical scheme main points are including shot-blasting machine and dust removal case, the dust removal incasement is equipped with dust collector, and dust collector includes dust removal pipeline and air exhauster, and dust removal pipeline one end and shot-blasting machine top intercommunication, the other end are connected with the air exhauster, and air exhauster fixed connection is at the top of dust removal case, is equipped with the ash collecting bucket at the dust removal incasement, and the vertical bottom at the dust removal case of fixing of ash collecting bucket, the upper end of ash collecting bucket is located the dust removal incasement, is connected with the material receiving pipe on the dust removal pipeline, and connects material pipe intercommunication ash collecting.

The shot blasting machine with the dust removal device has the following defects: 1. the dust is completely adsorbed by the suction force formed by the exhaust fan, so that the performance requirement on the exhaust fan is high; 2. part of dust is possibly pressed in the pill material and is difficult to be sucked away by the exhaust fan, and the dust removal efficiency is not high; 3. the device is too bulky and inconvenient to move.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a shot-blasting machine that dust collection efficiency is high in order to overcome the defect that above-mentioned prior art exists.

The purpose of the utility model can be realized through the following technical scheme:

a shot blasting machine 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 further comprises a fan unit, and the fan unit is communicated with the upper end of the separation bin. The fan unit separates the dust of the pill material flow in the separation bin, so that the dust separation effect of the pill material flow is improved.

Furthermore, the cross section area of the rebound bin is gradually reduced from the bottom to the top, and the top of the rebound bin is provided with an arc section which is communicated with the separation bin. When the pellet flow containing dust reaches the upper part of the bounce bin, the inertia is reduced, and messy ejection is not easily caused when the pellet flow turns through the arc section.

Furthermore, a straight pipe section is arranged on the side surface of the separation bin, the straight pipe section is communicated with an opening at the top of the rebound bin, the bottom of the rebound bin is communicated with the pill hopper, and a separation screen is arranged at the joint of the separation bin and the pill hopper. When the pellet containing the dust flows into the straight pipe section, the dust is attracted by the fan unit and gradually moves upwards, the gravity of the pellet is large, and the pellet gradually moves downwards, so that the dust separation effect is further improved.

Furthermore, a discharge port of the pill hopper is communicated with the impact bin through a lower pill pipe, a sand discharging valve is arranged in the lower pill pipe, the sand discharging valve is driven by a rotating shaft, and the rotating shaft is connected with a pill switch handle arranged on the side surface of the separation bin through a connecting rod.

Furthermore, an included angle is formed between the impact bin and the rebound bin, the included angle ranges from 45 degrees to 85 degrees, the included angle is selected according to the rotating speed of the shot blasting motor, and the preferred angle is 60 degrees.

Further, the fan unit comprises a fan motor, blades and a fan housing, the fan housing is connected with the separation bin, holes communicated with each other are formed in the joint of the fan housing and the separation bin, the fan motor is fixedly installed at the top of the fan housing, the blades are fixedly installed on a rotating shaft of the fan motor, and a side shell of the fan housing is provided with an interface used for removing dust.

Furthermore, the shot blasting machine also comprises a control cabinet unit arranged at the upper end of the shot blasting motor, and the control cabinet unit controls the shot blasting motor, the fan motor and the walking motor.

Furthermore, the shot blasting machine further comprises a walking unit, the walking unit comprises universal wheels, a first walking unit and a second walking unit, the first walking unit and the second walking unit are respectively and fixedly installed at two sides of the impact bin, the universal wheels are fixedly connected to the lower portion of the bounce bin, and the first walking unit and the second walking unit are both connected with the control cabinet unit.

Further, the power transmission unit include motor pulley, driving belt, belt pulley, belt cover, bearing unit and throw first unit, motor pulley connection shot-blasting motor, the one end of belt pulley connection bearing unit, the other end of throwing first unit connection bearing unit, driving belt connect motor pulley and belt pulley, motor pulley, driving belt and belt pulley locate in the belt cover, its effect of protecting the transmission part. The power transmission unit is of a conventional structure of the shot blasting machine.

Furthermore, the shot blasting machine also comprises a sealing brush unit which is fixedly arranged at the joint of the impact bin and the rebound bin and used for preventing shot materials from leaking.

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

(1) the utility model is provided with the fan unit communicated with the separation bin, and separates the dust of the pill material flow in the separation bin, thereby improving the dust separation effect of the pill material flow;

the cross section of the bounce bin is gradually reduced from the bottom to the upper part, so that the flowing speed of air flow, which is generated by a dust remover externally connected with the shot blasting machine and a fan arranged on the shot blasting machine, in the bounce bin is gradually increased, the reduction of the speed of rebounded pills in the bounce bin due to the self weight can be overcome, and all the rebounded pills can be ensured to completely enter the separation bin without falling back to the ground.

In order to further improve the dust separation effect, the upper part of the bounce bin is provided with an arc section, the separation bin is internally provided with a straight pipe section, the straight pipe section is connected with the arc section, when the pellet flow containing dust reaches the upper part of the bounce bin, the inertia is reduced, the pellet flow with higher density and heavier weight falls onto a screen at the bottom of the separation bin through the turning of the arc section, and the dust with lower density and lighter weight is sucked away by the airflow, so that the separation of the pellet flow and the dust is realized.

(2) The utility model discloses the dust separation effect improves for the life of parts such as throwing head subassembly, inside backplate increases substantially, reduces use cost.

(3) The utility model discloses the shot-blasting machine is equipped with two walking motors, and the contrast only is equipped with the portable shot-blasting machine of a walking motor, and its walking, action such as turn to are more nimble, need often turn around, the place that turns round when being particularly useful for operations such as oil tank, ship deck.

Drawings

FIG. 1 is a schematic view of the external structure of the shot blasting machine of the present invention;

FIG. 2 is a schematic view of the internal structure and the working principle of the shot blasting machine of the present invention;

fig. 3 is a schematic view of a partial structure of the present invention.

Detailed Description

The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments. The embodiment is implemented on the premise of the technical solution of the present invention, and a detailed implementation manner and a specific operation process are given, but the scope of the present invention is not limited to the following embodiments.

Example 1

As shown in fig. 1, the present embodiment is a shot blasting machine for processing relevant surfaces, such as shot blasting of surfaces of steel materials, such as ship decks, bridge steel box girders, oil tanks, wind power towers, etc., and the shot blasting machine can use hard particle shots as operation processing media, such as steel shots, angular steel grits, etc. The shot blasting machine comprises a control cabinet unit 1, a shot blasting motor 2, a power transmission unit 3, a walking unit 4, a sealing brush unit 5, a frame 6, a shot hopper 7, a shot filtering device 8, a separation bin 9, a window 10 and a fan unit 11.

As shown in fig. 2, the shot blasting motor 2 is installed on the top of the frame 6 and connected to the power transmission unit 3, the frame 6 includes an impact bin 601 and a rebound bin 602 which are connected in sequence, the separation bin 9 is communicated with the shot hopper 7, and the fan unit 11 is communicated with the upper end of the separation bin 9.

The fan unit 11 comprises a fan motor 12, a blade 13 and a fan housing 14, the fan housing 14 is connected with the separation bin 9, and a round hole is formed in the bottom of the fan housing 14 and communicated with a round hole in the top of the separation bin 9 to form an airflow channel. The fan motor 12 is fixedly arranged at the top of the fan housing 14, the blades 13 are fixedly arranged on a rotating shaft of the fan motor 12, and the side shell of the fan housing 14 is provided with an interface 15 for connecting a dust removal pipe.

The cross-sectional area of the bounce bin 602 is gradually reduced from the bottom to the top, and the top of the bounce bin is provided with an arc section which is communicated with the separation bin 9. A straight pipe section is arranged on the side surface of the separation bin 9, the straight pipe section is communicated with an opening at the top of the rebound bin 602, the bottom of the rebound bin is communicated with the pill hopper 7, a pill filtering device 8 is arranged at the joint of the separation bin 9 and the pill hopper 7, the pill filtering device 8 comprises a separation screen 801, and one end of the straight pipe section of the separation bin 9 is also connected with a baffle plate for guiding pill material flow. The side edge of the separation bin 9 is provided with a window 10 for adding the pill materials into the pill hopper 7.

The discharge port of the pill hopper 7 is communicated with the impact bin 601 through a pill discharge pipe 19, a sand discharging valve 18 is arranged in the pill discharge pipe 19, the sand discharging valve 18 is driven by a rotating shaft, and the rotating shaft is connected with a pill switch handle 16 arranged on the side surface of the separation bin 9 through a connecting rod 17, as shown in fig. 3. An included angle is formed between the impact bin 601 and the rebound bin 602, the included angle ranges from 45 degrees to 85 degrees, the specific angle is selected according to the rotating speed of the shot blasting motor 2, and the included angle is set to 60 degrees in the embodiment.

The power transmission unit 3 includes a motor pulley 301, a transmission belt 302, a pulley 303, a belt cover 304, a bearing unit 305, and a thread-up unit 306. The motor pulley 301 is installed on a motor shaft of the shot blasting motor 2, the pulley 303 is connected with one end of the bearing unit 305, the blasting head unit 306 is connected with the other end of the bearing unit 305 through a connector, the transmission belt 302 is connected with the motor pulley 301 and the pulley 303, the motor pulley 301, the transmission belt 302 and the pulley 303 are arranged in the belt cover 304, the belt cover 304 plays a role of protecting a transmission part, the blasting head unit 306 is installed on the upper portion of the impact bin 601, and the rotation axis of the bearing unit 305 is coincided with the rotation axis of the blasting head unit 306.

The control cabinet unit 1 is arranged at the upper end of the shot blasting motor 2, and the control cabinet unit 1 is respectively connected with the shot blasting motor 2, the fan motor 12 and the walking unit 4.

The traveling unit 4 includes a universal wheel 20 and a first traveling unit 401 and a second traveling unit 402 fixedly installed at both sides of the surge bin 601, respectively. The universal wheel 20 is fixedly connected to the rear lower part of the bounce bin 602, and the first walking unit 401 and the second walking unit 402 are both connected to the control cabinet unit 1.

The sealing brush units 5 are fixedly installed at the left and right sides of the joint of the impact bin 601 and the bounce bin 602.

The working principle of the shot blasting machine is described in detail as follows:

the electric control cabinet unit 1 controls the shot blasting motor 2 and the fan motor 12 to start and stop; the electric control cabinet unit 1 controls the starting and stopping of the walking unit 4 and controls the walking speed and steering of the walking unit 4.

The shot blasting motor 2 is started to rotate at a high speed, the motor belt pulley 301 drives the belt pulley 303 to rotate through the transmission belt 302, the belt pulley 303 transmits the rotation motion to the head throwing unit 306 through the bearing seat 305, and the head throwing unit 306 rotates at a high speed.

The fan motor 12 is started to drive the impeller 13 to rotate at a high speed, so that vacuum suction is generated inside the shot blasting machine separation bin 9 and the rebounding bin 602.

As shown in fig. 2, at this time, when the shot switch handle 16 is opened, the sand valve 18 is opened through the connecting rod 17, the steel shot in the shot hopper 7 enters the throwing unit 306 rotating at high speed through the feeding pipe 19, the high-speed rotation generates centrifugal force, the shot flies out at high speed from the jet hole of the directional sleeve of the throwing unit 306 due to the action of the centrifugal force to form a shot jet flow a moving at high speed, the shot jet flow a impacts the surface to be processed, the surface layer material of the surface to be processed is impacted to form a dust flow C, the dust flow C is mixed in the shot, the mixed flow of the rebounded shot flow B and the dust C enters the bounce bin 602 together due to the action of impact resilience and vacuum suction, when the mixed flow rises to the top of the bounce bin 602 and then enters the separation bin 9, the dust flow C with small density is sucked into the fan due to the action of vacuum suction generated by the fan unit 11 and the external dust remover, and is discharged from an interface 15 on the fan housing 14 and is collected into an ash collecting device of an externally connected dust remover through a dust removing pipe; the pellet flow B with high density and other heavy large-particle impurities (generated on the treated surface) and the like can not be sucked away by vacuum suction force, fall downwards under the action of gravity and fall onto the separation screen 801, and are filtered by the separation screen 801, so that the large-particle impurities are retained on the screen 801, and the pellets fall into the pellet hopper 7 through the holes of the separation screen 801 and enter the next shot blasting cycle.

In the process of shot blasting operation, the electric control cabinet unit 1 controls the two walking units 4 to walk, so that the shot blasting machine can move forwards, backwards and turn, and the walking speed can be controlled. The rear part of the shot blasting machine is provided with a universal caster 20 which supports the shot blasting machine together with the two walking units 4, so that the whole shot blasting machine can move towards any direction.

The foregoing has described in detail preferred embodiments of the present invention. It should be understood that numerous modifications and variations can be devised by those skilled in the art in light of the teachings of the present invention without undue experimentation. Therefore, the technical solutions that can be obtained by a person skilled in the art through logic analysis, reasoning or limited experiments based on the prior art according to the concepts of the present invention should be within the scope of protection defined by the claims.

Claims

1. A shot blasting machine comprises a shot blasting motor (2), a power transmission unit (3), a machine frame (6), a shot hopper (7) and a separation bin (9), wherein the shot blasting motor (2) is connected with the power transmission unit (3), the machine frame (6) comprises an impact bin (601) and a rebound bin (602) which are sequentially connected, and the separation bin (9) is communicated with the shot hopper (7); the shot blasting machine is characterized by further comprising a fan unit (11), wherein the fan unit (11) is communicated with the upper end of the separation bin (9).

2. The shot blasting machine according to claim 1, characterized in that the cross-sectional area of the bounce bin (602) is gradually reduced from the bottom to the top, and the top is provided with a circular arc section which is communicated with the separation bin (9).

3. The shot blasting machine according to claim 1, characterized in that a straight pipe section is arranged on the side surface of the separation bin (9), the straight pipe section is communicated with the top opening of the bounce bin (602), the bottom of the bounce bin is communicated with the shot hopper (7), and a separation screen (801) is arranged at the joint of the separation bin (9) and the shot hopper (7).

4. The shot blasting machine according to claim 1, characterized in that the discharge port of the shot hopper (7) is communicated with the impact bin (601) through a shot discharging pipe (19), a sand discharging valve (18) is arranged in the shot discharging pipe (19), the sand discharging valve (18) is driven by a rotating shaft, and the rotating shaft is connected with a shot opening and closing handle (16) arranged on the side surface of the separation bin (9) through a connecting rod (17).

5. The shot blasting machine according to claim 1, wherein an included angle is formed between the impact bin (601) and the rebound bin (602), and the included angle ranges from 45 degrees to 85 degrees.

6. The shot blasting machine according to claim 1, wherein the fan unit (11) comprises a fan motor (12), a blade (13) and a fan housing (14), the fan housing (14) is connected with the separation bin (9), holes communicated with each other are formed in the connection position of the fan housing (14) and the separation bin (9), the fan motor (12) is fixedly installed at the top of the fan housing (14), the blade (13) is fixedly installed on a rotating shaft of the fan motor (12), and an interface (15) for removing dust is arranged on a side shell of the fan housing (14).

7. The shot blasting machine according to claim 6, characterized in that the shot blasting machine further comprises a control cabinet unit (1) arranged at the upper end of the shot blasting motor (2), and the control cabinet unit (1) controls the shot blasting motor (2), the fan motor (12) and the traveling motor.

8. The shot blasting machine according to claim 7, characterized in that the shot blasting machine further comprises a traveling unit (4), the traveling unit (4) comprises a universal wheel (20) and a first traveling unit (401) and a second traveling unit (402) which are fixedly installed on two sides of the impact bin (601) respectively, the universal wheel (20) is fixedly connected to the lower portion of the bounce bin (602), and the first traveling unit (401) and the second traveling unit (402) are both connected with the control cabinet unit (1).

9. The shot blasting machine of claim 1, wherein the power transmission unit (3) comprises a motor pulley (301), a transmission belt (302), a pulley (303), a belt cover (304), a bearing unit (305) and a head throwing unit (306), the motor pulley (301) is connected with the shot blasting motor (2), the pulley (303) is connected with one end of the bearing unit (305), the head throwing unit (306) is connected with the other end of the bearing unit (305), the transmission belt (302) is connected with the motor pulley (301) and the pulley (303), and the motor pulley (301), the transmission belt (302) and the pulley (303) are arranged in the belt cover (304).

10. The shot blasting machine according to claim 1, further comprising a sealing brush unit (5), wherein the sealing brush unit (5) is fixedly arranged at the joint of the impact bin (601) and the rebound bin (602).