CN218423406U

CN218423406U - Pellet sand centrifugal separation device

Info

Publication number: CN218423406U
Application number: CN202223056078.4U
Authority: CN
Inventors: 解焕锋; 王传伟; 徐兴满; 吕明; 辛修宇; 季俭强
Original assignee: Harbin Huaqing Casting Machinery Co ltd
Current assignee: Harbin Huaqing Casting Machinery Co ltd
Priority date: 2022-11-17
Filing date: 2022-11-17
Publication date: 2023-02-03
Anticipated expiration: 2032-11-17

Abstract

The utility model provides a ball sand centrifugation sorting unit, belongs to the shot-blasting equipment field, the utility model discloses a solve and to receive wearing and tearing shot and impurity to need to divide the sorting out from intact shot to handle in the shot-blasting technology, problem that sorting efficiency is low. Comprises a shell, a centrifugal basin body and a driving system. The middle part of the shell is provided with a cone-shaped sand flowing hole plate, the centrifugal basin body is connected with a rotating main shaft of the driving system up and down, an upper opening of the centrifugal basin body is used for bearing a lower outlet of the feeding sand hopper, a plurality of abrasion shot sand holes are distributed on the lower part of the side wall of the centrifugal basin body, a plurality of intact shot sand holes are distributed on the upper part of the side wall of the centrifugal basin body, the inner end of the sand flowing hole plate is arranged between distribution areas of the abrasion shot sand holes and the intact shot sand holes, the sand storage box is annular, and the sand storage box is arranged on the periphery of the shell. The device does not need manual operation, automatically finishes the separation of the abraded steel shots, the impurities and the intact steel shots, and solves the problems that the abraded steel shots and the impurities need to be separated from the intact steel shots for treatment in the prior shot blasting process, and the separation efficiency is low.

Description

Pellet sand centrifugal separation device

Technical Field

The utility model belongs to throw the ball equipment field, especially relate to a ball sand centrifugation sorting unit.

Background

The shot blasting is a workpiece surface treatment process, the surface of a workpiece to be strengthened is continuously impacted by utilizing the flow velocity of a steel shot moving at a high speed, the surface and the surface layer of a target material are forced to change in a cyclic deformation process, rust on the surface of the workpiece can be removed, surface flaws are covered, the fatigue fracture resistance of the workpiece is improved, fatigue failure, plastic deformation and brittle fracture are prevented, and the fatigue life is prolonged.

The steel shots impact a workpiece for a long time, the diameter of the workpiece is abraded, and in order to enable the surface roughness and the finish degree of the workpiece to be consistent, the workpiece can be achieved only by ensuring the consistent size of the steel shots, so that the abraded steel shots and impurities need to be separated from intact steel shots for treatment.

The equipment use units generally carry out magnetic separation through the manual work, let shot and dust impurity separation, let the back select out the size that needs the specification with the shot through the reciprocating sieve, throw the ball operation again, some equipment use units are through artifical filling impurity shot, lean on the size of gravity spiral letter sorting shot. The two kinds of steel shots are separated at a low speed, and manpower and material resources are wasted. Therefore, the sorting speed of the steel shots determines the working efficiency and the cost.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a ball sand centrifugation sorting unit to solve in the present shot-blasting technology and receive wearing and tearing shot and impurity to need to divide from intact shot and sort out and handle, the problem that separation efficiency is low. The utility model discloses the technical scheme who adopts as follows:

a pellet sand centrifugal separation device comprises a shell, a centrifugal basin body, a driving system, a feeding sand hopper and a sand storage box; the middle part of casing is equipped with the quicksand orifice plate of awl cylindric, the inner of quicksand orifice plate is higher than the outer end, the casing sets up on the base, be equipped with a plurality of holes that fall on the upper end wall of base, actuating system installs on the base, the centrifugal basin body links to each other from top to bottom with actuating system's rotatory main shaft, the top of casing is located to the feeding sand fill, the lower export of feeding sand fill is accepted to the upper shed of the centrifugal basin body, be equipped with the dust removal inlet scoop on the casing, the dust removal inlet scoop is located between feeding sand fill and the quicksand orifice plate, the partial distribution of part has a plurality of wearing and tearing pellet sand holes under the lateral wall of the centrifugal basin body, the distribution has a plurality of intact pellet sand holes on the lateral wall upper portion of the centrifugal basin body, the periphery of the centrifugal basin body cooperatees with the hole of quicksand orifice plate, and the inner of quicksand orifice plate set up in between the distribution region of a plurality of wearing and a plurality of intact pellet sand holes, be provided with a plurality of sand outlet, a plurality of sand outlet circumference sets up the outer end at the quicksand orifice plate, the sand storage box is the annular, sand storage box sets up in the casing periphery.

Further, the centrifugal basin body includes connecting seat, separation awl and centrifugal wall, the centrifugal wall is equipped with last awl section of thick bamboo, straight section of thick bamboo section and the lower awl section of thick bamboo section that from top to bottom links to each other in proper order, goes up the awl section of thick bamboo for going up the convergence, and the awl section of awl is for the awl section of lower convergence, and the top of going up the awl section of thick bamboo section links to each other with the top of keeping off the material awl section of thick bamboo section, keeps off the awl section of thick bamboo section for the awl section of lower convergence, and the bottom of lower awl section of thick bamboo links to each other with the outer end of connecting seat, and the separation awl sets up the middle part at the connecting seat, and a plurality of intact ball sand holes distribute respectively on last awl section of thick bamboo section and straight section of thick bamboo, and a plurality of wearing and tearing ball sand holes distribute on the awl section of thick bamboo section down.

Furthermore, the bottom end of the straight cylinder section is provided with a seam blocking conical ring which is used for blocking a gap between the centrifugal basin body and the quicksand hole plate.

Furthermore, the driving system further comprises a main shaft outer barrel and a driving motor, the main shaft outer barrel and the driving motor are respectively installed on the base, the rotating main shaft is rotatably arranged on the main shaft outer barrel, the top end of the rotating main shaft is connected with the connecting seat, a driven belt wheel is arranged at the bottom end of the rotating main shaft, a driving belt wheel is arranged on an output shaft of the driving motor, and the driving belt wheel is connected with the driven belt wheel through a triangular belt.

Furthermore, the rotating main shaft is connected with the main shaft outer cylinder through a bearing, and the space where the bearing is located is sealed through an oil seal and connected with the oil pump through a pipeline.

Furthermore, a water-cooling wall is sleeved on the outer spindle barrel, a water-cooling space is arranged between the water-cooling wall and the outer spindle barrel, and the upper end and the lower end of the water-cooling space are respectively connected with a water supply pipe and a water return pipe of cooling water.

Furthermore, a spring-shaped separation member is arranged in the water-cooling space, the inner side of the separation member is connected with the outer barrel of the main shaft, the outer side of the separation member is connected with the water-cooling wall, so that the water-cooling space forms a spiral flow channel, and the water supply pipe and the water return pipe are respectively connected with two ends of the flow channel.

Furthermore, an access door is arranged on the shell and is positioned at the lower end of the quicksand hole plate.

Furthermore, the bottom of the sand storage box is provided with a sand flowing pipe.

Furthermore, a lower outlet of the feeding sand hopper is provided with a flow regulating inserting plate.

Compared with the prior art, the beneficial effects of the utility model reside in that:

after a workpiece is thrown by steel shots sprayed out of a shot blasting machine, the steel shots and impurities are conveyed into a feeding sand hopper through a screw conveyor and a lifter, the steel shots and the impurities are uniformly fed into a centrifugal basin body through the feeding sand hopper, a driving system drives the centrifugal basin body to rotate, the steel shots and the impurities start to rotate under the action of centrifugal force, the sand holes of the worn shots and the sand flowing hole plate are smaller than the diameter of the intact steel shots, the diameter of the sand holes of the intact shots is slightly larger than that of the intact steel shots, the abraded steel shots and the impurities are firstly thrown out from a plurality of abraded shot holes at the lower part of the centrifugal basin body, the steel shots and the impurities flow into a waste sand box after passing through a base, scrapping treatment is carried out, the intact steel shots cannot pass through the abraded shot holes of the abraded shots, the steel shots are gradually lifted up under the action of the centrifugal force, the steel shots can be thrown out from the intact shot holes when the steel shots rotate to the upper part of the centrifugal basin body, the steel shots sequentially pass through the sand flowing hole plate and the sand outlet hole and enter the sand storage box, secondary screening can be carried out from the hole on the base, and the steel shots thrown into a fine dust removal shell after being thrown by a flowing pipe at the bottom of the shot blasting machine, and dust removal shell is carried out by an air suction port. The device does not need manual operation, automatically finishes the separation of the abraded steel shots, the impurities and the intact steel shots, and solves the problems that the abraded steel shots and the impurities need to be separated from the intact steel shots for treatment in the prior shot blasting process, and the separation efficiency is low.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

fig. 2 is a top view of the present invention;

FIG. 3 is a schematic structural view of the housing;

FIG. 4 is a schematic structural view of a centrifuge bowl;

fig. 5 is a schematic structural diagram of a driving system without a driving motor part.

In the figure: 1-shell, 11-sand flowing hole plate, 12-sand outlet hole, 13-dust removal suction inlet, 14-access door, 2-feeding sand hopper, 21-flow adjusting plug plate, 3-centrifugal basin body, 31-connecting seat, 32-separating cone, 33-lower cone section, 34-seam blocking cone ring, 35-straight barrel section, 36-upper cone section, 37-material blocking cone section, 38-intact shot sand hole, 39-abrasion shot sand hole, 4-base, 41-lower falling hole, 5-driving system, 51-driving motor, 52-driving pulley, 53-driven pulley, 54-main shaft, 55-rotating main shaft, 56-water cooling space, 57-water cooling wall, 58-separating member, 6-sand storage box and 61-sand flowing pipe.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described below with reference to specific embodiments shown in 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 utility model discloses the connection that mentions divide into fixed connection and can dismantle the connection, fixed connection is for can not dismantle conventional fixed connection modes such as connection including but not limited to hem connection, rivet connection, adhesive connection and welded connection for the connection, can dismantle the connection including but not limited to conventional dismantlement modes such as bolted connection, buckle connection, pin joint and hinged joint, when not clearly prescribing a limit to concrete connection mode, the default is approved to find at least one kind connected mode in current connected mode and realize this function, and the technical staff in the art can select by oneself as required. For example: the fixed connection selects welding connection, and the detachable connection selects bolt connection.

The present invention will be described in further detail with reference to the accompanying drawings, and the following embodiments are illustrative of the present invention, and the present invention is not limited to the following embodiments.

The embodiment is as follows: as shown in fig. 1-5, a pellet sand centrifugal sorting device comprises a shell 1, a centrifugal basin body 3, a driving system 5, a feeding sand hopper 2 and a sand storage box 6; the shell 1 is a vertically arranged cylinder, the middle part of the shell 1 is provided with a cone-shaped sand flow hole plate 11, the inner end of the sand flow hole plate 11 is higher than the outer end, the shell 1 is arranged on a base 4, the base 4 is a cavity with a lower opening, the upper end wall of the base 4 is provided with a plurality of falling holes 41, a driving system 5 is arranged on the base 4, a centrifugal basin body 3 is connected with a rotating main shaft 55 of the driving system 5 up and down, a feeding sand hopper 2 is arranged at the top part of the shell 1, the upper opening of the centrifugal basin body 3 receives the lower outlet of the feeding sand hopper 2, the shell 1 is provided with a dust removal air suction inlet 13, dust removal inlet scoop 13 is located between feeding sand hopper 2 and the quicksand orifice plate 11, part distributes under the lateral wall of the centrifuge bowl body 3 has a plurality of wearing and tearing ball sand holes 39, the lateral wall upper portion of the centrifuge bowl body 3 distributes and has a plurality of intact ball sand holes 38, the periphery of the centrifuge bowl body 3 cooperatees with the hole of quicksand orifice plate 11, and the inner of quicksand orifice plate 11 sets up between the distribution region of a plurality of wearing and tearing ball sand holes 39 and a plurality of intact ball sand holes 38, be provided with a plurality of sand outlet 12 on the casing 1, a plurality of sand outlet 12 circumferences set up the outer end at quicksand orifice plate 11, sand storage box 6 is the annular, sand storage box 6 sets up in casing 1 periphery.

After the steel shots sprayed out of the shot blasting machine are thrown into a workpiece, the workpiece and impurities are conveyed into a feeding sand hopper 2 through a screw conveyor and a lifter, the workpiece is uniformly fed into a centrifugal basin 3 through the feeding sand hopper 2, a driving system 5 drives the centrifugal basin 3 to rotate, the steel shots and the impurities start to rotate under the action of centrifugal force, both a wear shot sand hole 39 and a sand flowing hole plate 11 are smaller than the diameter of a perfect steel shot, the diameter of a perfect shot sand hole 38 is slightly larger than that of the perfect steel shot, the wear steel shots and the impurities are firstly thrown out from a plurality of wear shot sand holes 39 at the lower part of the centrifugal basin 3, the wear steel shots and the impurities flow into a waste sand box after passing through a base 4 for scrapping treatment, the perfect steel shots cannot pass through the wear shot sand hole 39 and gradually rise under the action of the centrifugal force, the perfect steel shots and the impurities are thrown out from the wear shot sand holes 38 when rotating to the upper part of the centrifugal basin 3, the perfect steel shots and the sand flowing hole plate 11 and the sand outlet 12 sequentially enter a sand storage 6, the sand box after the wear steel shots and the sand thrown out from the sand throwing hole 39 enter a dust suction pipe 13 of the sand storage sand box, and the dust suction pipe 13 is generated by the dust suction pipe 13 of the shot blasting machine. The device does not need manual operation, automatically finishes the separation of the abraded steel shots, the impurities and the intact steel shots, and solves the problems that the abraded steel shots and the impurities need to be separated from the intact steel shots for treatment in the prior shot blasting process, and the separation efficiency is low.

The centrifugal basin body 3 comprises a connecting seat 31, a separation cone 32 and a centrifugal wall, the centrifugal wall is provided with an upper cone cylinder section 36, a straight cylinder section 35 and a lower cone cylinder section 33 which are sequentially connected from top to bottom, the upper cone cylinder section 36 is an upper convergent cone cylinder section, the lower cone cylinder section 33 is a lower convergent cone cylinder section, the top end of the upper cone cylinder section 36 is connected with the top end of a material blocking cone cylinder section 37, the material blocking cone cylinder section 37 is a lower convergent cone cylinder section, the inner hole of the material blocking cone cylinder section 37 is an upper opening of the centrifugal basin body 3, the bottom of the lower cone cylinder section 33 is connected with the outer end of the connecting seat 31, the separation cone 32 is arranged in the middle of the connecting seat 31, a plurality of intact shot sand holes 38 are respectively distributed on the upper cone cylinder section 36 and the straight cylinder section 35, and a plurality of worn shot sand holes 39 are distributed on the lower cone section 33.

The bottom end of the straight cylinder section 35 is provided with a seam-blocking conical ring 34, and the seam-blocking conical ring 34 is used for blocking a gap between the centrifuge basin body 3 and the quicksand hole plate 11.

The driving system 5 further comprises a main shaft outer cylinder 54 and a driving motor 51, the main shaft outer cylinder 54 and the driving motor 51 are respectively installed on the base 4, a rotating main shaft 55 is rotatably arranged on the main shaft outer cylinder 54, the top end of the rotating main shaft 55 is connected with the connecting seat 31, a driven belt wheel 53 is arranged at the bottom end of the rotating main shaft 55, a driving belt wheel 52 is arranged on an output shaft of the driving motor 51, and the driving belt wheel 52 is connected with the driven belt wheel 53 through a V-belt.

Two bearings are sleeved on the rotating main shaft 55, the rotating main shaft 55 is connected with the main shaft outer barrel 54 through the bearings, and the space where the bearings are located is sealed through an oil seal and is connected with an oil pump through a pipeline.

A water cooling wall 57 is sleeved on the main shaft outer cylinder 54, a water cooling space 56 is arranged between the water cooling wall 57 and the main shaft outer cylinder 54, and the upper end and the lower end of the water cooling space 56 are respectively connected with a water supply pipe and a water return pipe of cooling water.

A spring-shaped partition member 58 is arranged in the water-cooling space 56, the inner side of the partition member 58 is connected with the spindle outer cylinder 54, the outer side of the partition member 58 is connected with the water-cooling wall 57, so that the water-cooling space 56 forms a spiral flow channel, and the water supply pipe and the water return pipe are respectively connected with two ends of the flow channel.

Because the centrifugal basin body 3 is always in a rotating state, in order to prolong the service life of the bearing of the driving system 5, the water-cooled wall 57 is sleeved on the main shaft outer barrel 54, the environment of the bearing is cooled by circulating cooling water, and the bearing is lubricated by oiling through a pipeline, so that the service life of the driving system 5 is prolonged.

An access door 14 is arranged on the shell 1, and the access door 14 is positioned at the lower end of the quicksand hole plate 11.

The bottom of the sand storage box 6 is provided with a sand flowing pipe 61.

The lower outlet of the feeding sand hopper 2 is provided with a flow regulating flashboard 21. Used for controlling the shot-sand speed.

The above embodiments are merely illustrative of the present patent and do not limit the scope of the patent, and those skilled in the art can make modifications to the parts thereof without departing from the spirit and scope of the patent.

Claims

1. The utility model provides a ball sand centrifugation sorting unit which characterized in that: comprises a shell (1), a centrifugal basin body (3), a driving system (5), a feeding sand hopper (2) and a sand storage box (6); the middle part of the shell (1) is provided with a cone-shaped quicksand hole plate (11), the inner end of the quicksand hole plate (11) is higher than the outer end, the shell (1) is arranged on a base (4), the upper end wall of the base (4) is provided with a plurality of falling holes (41), a driving system (5) is arranged on the base (4), a centrifugal basin body (3) is connected with a rotating main shaft (55) of the driving system (5) up and down, a feeding sand hopper (2) is arranged at the top of the shell (1), the upper opening of the centrifugal basin body (3) is used for bearing the lower outlet of the feeding sand hopper (2), a dust-removing air suction opening (13) is arranged on the shell (1), the dust-removing air suction opening (13) is arranged between the feeding sand hopper (2) and the quicksand hole plate (11), a plurality of abrasion sand holes (39) are distributed at the lower part of the side wall of the centrifugal basin body (3), a plurality of intact sand hole (38) are distributed at the upper part of the side wall of the centrifugal basin body (3), the periphery of the centrifugal basin body (3) is matched with the inner hole of the quicksand hole plate (11), a plurality of the abrasion holes (39) are arranged at the inner end of the quicksand hole plate (11), a plurality of the quicksand hole (11), a plurality of the quicksand hopper (11), a plurality of the sand hopper (12) and a plurality of sand hole (12) are arranged on the shell, a plurality of the sand storage area (12) arranged on the sand storage area of the sand hole (12) arranged on the sand tank (1), the sand storage box (6) is arranged on the periphery of the shell (1).

2. The pellet sand centrifugal separation device as claimed in claim 1, wherein: the centrifugal basin body (3) includes connecting seat (31), separation awl (32) and centrifugal wall, the centrifugal wall is equipped with last awl section of thick bamboo (36), straight section of thick bamboo (35) and lower awl section of thick bamboo (33) that from top to bottom links to each other in proper order, go up awl section of thick bamboo (36) for the awl section of going up the convergence, lower awl section of thick bamboo (33) is the awl section of lower convergence, the top of going up awl section of thick bamboo (36) links to each other with the top of keeping off material awl section of thick bamboo (37), keep off material awl section of thick bamboo (37) for the awl section of lower convergence, the bottom of awl section of thick bamboo (33) links to each other with the outer end of connecting seat (31) down, separation awl (32) set up the middle part in connecting seat (31), a plurality of intact ball sand holes (38) distribute respectively on last awl section of thick bamboo (36) and straight section of thick bamboo (35), a plurality of wearing and tearing sand hole (39) distribute under on awl section of thick bamboo (33).

3. The pellet sand centrifugal separation device as claimed in claim 2, wherein: the bottom end of the straight cylinder section (35) is provided with a seam blocking conical ring (34), and the seam blocking conical ring (34) is used for blocking a gap between the centrifugal basin body (3) and the quicksand hole plate (11).

4. The shot sand centrifugal separation device according to claim 2, characterized in that: the driving system (5) further comprises a main shaft outer cylinder (54) and a driving motor (51), the main shaft outer cylinder (54) and the driving motor (51) are respectively installed on the base (4), a rotating main shaft (55) is rotatably arranged on the main shaft outer cylinder (54), the top end of the rotating main shaft (55) is connected with the connecting seat (31), a driven pulley (53) is arranged at the bottom end of the rotating main shaft (55), a driving pulley (52) is arranged on an output shaft of the driving motor (51), and the driving pulley (52) is connected with the driven pulley (53) through a V-belt.

5. The pellet sand centrifugal separation device as claimed in claim 4, wherein: the rotary main shaft (55) is connected with the main shaft outer cylinder (54) through a bearing, and the space where the bearing is located is sealed through an oil seal and is connected with an oil pump through a pipeline.

6. The pellet sand centrifugal separation device as claimed in claim 4, wherein: a water-cooling wall (57) is sleeved on the main shaft outer cylinder (54), a water-cooling space (56) is arranged between the water-cooling wall (57) and the main shaft outer cylinder (54), and the upper end and the lower end of the water-cooling space (56) are respectively connected with a water supply pipe and a water return pipe of cooling water.

7. The pellet sand centrifugal separation device as claimed in claim 6, wherein: the water cooling space (56) is internally provided with a spring-shaped separation member (58), the inner side of the separation member (58) is connected with the main shaft outer cylinder (54), the outer side of the separation member (58) is connected with the water cooling wall (57), so that the water cooling space (56) forms a spiral flow channel, and the water supply pipe and the water return pipe are respectively connected with two ends of the flow channel.

8. The shot sand centrifugal separation device according to claim 1, characterized in that: an access door (14) is arranged on the shell (1), and the access door (14) is positioned at the lower end of the quicksand hole plate (11).

9. The pellet sand centrifugal separation device as claimed in claim 1, wherein: the bottom of the sand storage box (6) is provided with a sand flowing pipe (61).

10. A pellet sand centrifugal separation device according to any one of claims 1 to 9, wherein: a flow regulating flashboard (21) is arranged at the lower outlet of the feeding sand hopper (2).