CN111331523A

CN111331523A - Sand blasting abrasive screening and recycling device of sand blasting equipment

Info

Publication number: CN111331523A
Application number: CN202010393500.1A
Authority: CN
Inventors: 郑美玲
Original assignee: Shaoxing Fangdan Technology Co ltd
Current assignee: Shaoxing Fangdan Technology Co ltd
Priority date: 2020-05-11
Filing date: 2020-05-11
Publication date: 2020-06-26

Abstract

The invention discloses a sand blasting abrasive screening and recycling device of sand blasting equipment, which comprises a sand blasting device main body, wherein a recycling cavity is arranged in the sand blasting device main body, a sand blasting plastic screening device is arranged in the sand blasting recycling cavity, the sand blasting plastic screening device screens plastic waste materials and sand blasting according to the buoyancy principle, a sand blasting grading device is arranged at the lower side of the sand blasting plastic screening device, the sand blasting grading device screens the sand blasting particle diameter through rotation and a filter screen so as to separate the broken sand blasting from the normal sand blasting, a sand blasting storage device positioned at the lower side of the sand blasting grading device is arranged in the sand blasting recycling cavity, a sand blasting supplementing device is arranged on the sand blasting storage device and is used for adjusting the storage amount of the sand blasting in the sand blasting storage device, and the invention can realize the screening and recycling of the broken sand blasting abrasive and, the quality of the sand blasting abrasive is ensured, and the processing quality is ensured.

Description

Sand blasting abrasive screening and recycling device of sand blasting equipment

Technical Field

The invention relates to the technical field of sand blasting equipment, in particular to a sand blasting abrasive screening and recycling device of sand blasting equipment.

Background

The sand blasting process utilizes the impact action of high-speed sand flow to clean and coarsen the surface of a matrix, adopts compressed air as power or high-pressure water flow as power to form a high-speed spraying beam to spray spraying materials (copper ore sand, quartz sand, carborundum, iron sand and Hainan sand) to the surface of a workpiece to be processed at high speed, so that the appearance or the shape of the outer surface of the workpiece surface is changed, burrs of the plastic piece can be removed through sand blasting, and the existing sand blasting device for removing the burrs of the plastic piece cannot effectively screen and recover the sand blasting grinding materials which are partially crushed after processing, thereby influencing the processing quality.

Disclosure of Invention

The technical problem is as follows: sand blasting unit is got rid of to present working of plastics deckle edge can't effectively sieve the recovery to the partial broken sandblast abrasive material of processing back to influence processingquality.

In order to solve the problems, the sand blasting abrasive screening and recycling device of sand blasting equipment is designed in the embodiment, the sand blasting abrasive screening and recycling device of the sand blasting equipment comprises a sand blasting device main body, a working chamber is arranged in the sand blasting device main body, a sand blasting recycling chamber positioned on the lower side of the working chamber is arranged in the sand blasting device main body, the sand blasting recycling chamber is communicated with the working chamber, a first filter plate is arranged at the communication position of the sand blasting recycling chamber and the working chamber, a sand blasting plastic screening device is arranged in the sand blasting recycling chamber, the sand blasting plastic screening device screens plastic waste materials and sand blasting according to the buoyancy principle, a sand blasting grading device is arranged on the lower side of the sand blasting plastic screening device, the sand blasting grading device screens sand blasting particle diameters through rotating and a filter screen, so that crushing and normal sand blasting separation are realized, and the sand blasting grading device comprises a waste water tank fixedly connected to the inner wall of the, a waste water cavity with an upward opening is arranged in the waste water tank, a fixed box is fixedly connected to the inner wall of the rear side of the waste water cavity, a conveying cavity is arranged in the fixed box, an auxiliary rotating pipe which extends upwards into the waste water cavity is rotatably connected to the inner wall of the upper side of the conveying cavity, a gear is fixedly connected to the annular end face of the auxiliary rotating pipe, an auxiliary conical filter cylinder with an upward opening is communicated and connected to the end face of the upper side of the auxiliary rotating pipe, an auxiliary electromagnetic valve is arranged at the communication port of the auxiliary conical filter cylinder and the auxiliary rotating pipe, an auxiliary fixed box is fixedly connected to the inner wall of the rear side of the conveying cavity, a rotating pipe which extends upwards is rotatably connected to the inner wall of the upper side of the auxiliary fixed box, the rotating pipe is partially positioned in the auxiliary rotating pipe, the rotating pipe is fixedly connected with the auxiliary conical filter cylinder, an auxiliary electromagnetic valve is arranged on the end, the intracavity is retrieved in the sandblast is equipped with and is located sandblast storage device of sandblast grading plant downside, sandblast storage device is used for the sandblast of classified storage different particle diameters, be equipped with sandblast complementary unit on the sandblast storage device, sandblast complementary unit is used for adjusting the storage capacity of sandblast in the sandblast storage device.

Preferably, the sand blasting plastic screening device comprises a recovery cavity fixedly connected to the rear inner wall of the sand blasting recovery cavity, the recovery cavity is positioned on the upper side of the waste water cavity, the opening of the recovery cavity faces upwards and downwards, the opening of the lower side of the recovery cavity is smaller, so that in the sand blasting working process, the amount of water recovered by the recovery cavity is larger than the amount of water discharged through the opening of the lower side of the recovery cavity, a filter box with an upward and downward opening is fixedly connected to the left end face of the recovery cavity, the filter box is used for storing filtered plastic waste, a second filter plate is arranged at the opening of the lower side of the filter box, a water receiving disc is fixedly connected to the lower end face of the filter box, the water receiving disc is communicated with the filter box, a water pipe is communicated with the waste water cavity, and a wedge-shaped block is fixedly connected to the upper end face of the, the rear inner wall of the sand blasting recovery cavity is connected with a scraper in a sliding manner, the left end face of the scraper is fixedly connected with an auxiliary push rod, the auxiliary push rod can abut against the wedge-shaped block, the right end face of the scraper is fixedly connected with a push rod, the upper end face of the push rod is fixedly connected with an auxiliary driven rod, the upper inner wall of the sand blasting recovery cavity is fixedly connected with an auxiliary wedge-shaped block positioned on the right side of the auxiliary driven rod, the auxiliary wedge-shaped block can abut against the auxiliary driven rod, the rear inner wall of the sand blasting recovery cavity is connected with a sliding block positioned on the right side of the push rod in a sliding manner, the push rod is connected with the left end face of the sliding block in a sliding manner, the push rod can hover the push rod through sliding damping of the sliding block, the sliding block can only move leftwards and rightwards along the sand blasting recovery cavity, sliding connection has and is located on the sandblast is retrieved chamber rear side inner wall the sloping piece of transfer line downside, the sloping piece with the transfer line butt, it is connected with the counter shaft that extends forward to rotate on the sandblast is retrieved chamber rear side inner wall, the counter shaft is located sloping piece downside, fixedly connected with counter pulley in the counter shaft, fixedly connected with is located in the counter shaft the crank disc of counter pulley front side, the crank disc with it has the connecting rod to articulate between the sloping piece.

Preferably, the auxiliary electromagnetic valve is fixedly connected with a conical filter cylinder with an upward opening, meshes of the conical filter cylinder can filter, crush and sand blast, meshes of the auxiliary conical filter cylinder can filter water, a waste water tank positioned on the right side of the fixed tank is fixedly connected to the inner wall on the rear side of the waste water chamber, an upward extending motor shaft is rotatably connected to the end surface on the upper side of the waste water tank, a motor fixedly connected to the waste water tank is in power connection on the motor shaft, an auxiliary gear in meshing connection with the gear is fixedly connected to the motor shaft, a bevel gear positioned on the upper side of the auxiliary gear is fixedly connected to the motor shaft, a forward extending rotating shaft is rotatably connected to the inner wall on the rear side of the waste water chamber and positioned on the upper side of the bevel gear, an auxiliary bevel gear in meshing connection with the bevel gear is fixedly connected to the rotating shaft, and a belt wheel positioned in front, the belt pulley with be connected with the drive belt between the accessory pulley, fixedly connected with is located on the chamber downside inner wall is retrieved in the sandblast the storage water tank on waste water chamber right side, the storage water tank with the raceway is connected to communicating between the waste water chamber, be equipped with the water pump on the terminal surface of storage water tank right side, the output tube is connected to communicating between water pump and the outside sand gun.

Preferably, the sand blasting storage device comprises two fixed connections and a storage box which is arranged on the rear inner wall of the sand blasting recovery cavity and is positioned on the lower side of the waste water cavity, a storage cavity is arranged in the storage box, the left storage cavity is used for storing sand blasting with smaller particle diameter (namely sand blasting after crushing), the storage cavity on the right side is used for storing normal sand blasting, the storage cavity on the left side is communicated with the conveying cavity and is connected with a sand conveying pipe, the storage cavity on the right side is communicated with the auxiliary fixing box and is connected with an auxiliary sand conveying pipe, the auxiliary storage box on the left side is fixedly connected with an auxiliary storage box on the left end face of the storage cavity, the auxiliary storage box is communicated with the storage cavity on the left side and is used for storing redundant crushed sand blasting, the storage box on the rear inner wall of the sand blasting recovery cavity is fixedly connected with a storage box which is positioned on the, fixedly connected with sandblast pump on the sandblast recovery chamber downside inner wall, the expert is connected with the input tube on the terminal surface of sandblast pump upside, be equipped with three way solenoid valve on the input tube, three way solenoid valve and two it has a connecting pipe to communicate respectively between the storage chamber, it has the sandblast output tube to communicate between sandblast pump and the outside sand gun.

Preferably, the sand blasting supplementing device comprises a piston cylinder fixedly connected to the lower side end face of the storage box, a piston cavity is arranged in the piston cylinder, a cavity which is communicated with the piston cavity and is located on the lower side of the piston cavity is arranged in the piston cylinder, the opening of the cavity faces downwards, the inner diameter of the cavity is larger than that of the piston cavity, a piston is slidably connected to the inner wall of the rear side of the cavity and can be hermetically and slidably connected with the inner wall of the piston cavity, a piston rod which extends upwards into the storage cavity is fixedly connected to the upper side end face of the piston, a detection plate which is located in the storage cavity is fixedly connected to the piston rod, a compression spring is connected between the detection plate and the inner wall of the lower side of the storage cavity, a valve body is fixedly connected to the lower side end faces of the storage box and the auxiliary storage box respectively, and a, the valve comprises a valve body cavity, a valve core, a cylinder, an auxiliary piston cavity, an auxiliary piston rod, a valve core, a material pump, a delivery pipe and an electromagnetic valve, wherein the valve core is connected to the inner wall of the lower side of the valve body cavity in a sliding manner, the cylinder is fixedly connected to the end face of the right side of the valve body, the auxiliary piston cavity is communicated with the piston cavity and is connected with an air passage pipe, the auxiliary piston cavity on the left side is communicated with the piston cavity on the left side and is connected with the piston cavity on the right side, the auxiliary piston cavity on the right side is communicated with the piston cavity on the left side, the auxiliary piston cavity on the right side is communicated with the piston cavity on the right side and is connected with the piston cavity on the right side, the auxiliary piston cavity on the right side is communicated with the piston cavity on the right side, the valve core on the left side can seal a communicating port of the material pump and the valve body cavity on the left side, and the valve core on the right side can seal a communicating port of the valve body cavity on the right side and the conveying pipe.

The invention has the beneficial effects that: the sand blasting plastic screening device can separate and store processed plastic waste from sand blasting abrasive materials, the sand blasting grading device can screen and store normal sand blasting abrasive materials and crushed sand blasting abrasive materials through rotary filtering screening, meanwhile, the sand blasting grading device can filter, recycle and recycle water flow, water resources are saved, and the sand blasting supplementing device can automatically supplement the sand blasting abrasive materials to the sand blasting storage device, so that the maintenance times of equipment by manpower are reduced, the crushed sand blasting abrasive materials and the normal abrasive materials can be screened and recycled, the quality of the sand blasting abrasive materials is ensured, and the processing quality is ensured.

Drawings

For ease of illustration, the invention is described in detail by the following specific examples and figures.

FIG. 1 is a schematic view of the overall structure of a sand blasting abrasive screening and recovering device of a sand blasting apparatus according to the present invention;

FIG. 2 is an enlarged view of the structure at "A" in FIG. 1;

FIG. 3 is an enlarged view of the structure at "B" in FIG. 1;

FIG. 4 is an enlarged view of the structure at "C" of FIG. 1;

FIG. 5 is an enlarged view of the structure at "D" of FIG. 4;

FIG. 6 is an enlarged view of the structure at "E" in FIG. 4;

FIG. 7 is a schematic view of the structure in the direction "F-F" of FIG. 4.

Detailed Description

The invention will now be described in detail with reference to fig. 1 to 7, for the sake of convenience of description, the following orientations are now defined: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.

The invention relates to a sand blasting abrasive screening and recycling device of sand blasting equipment, which is mainly applied to the sand blasting equipment, and the invention is further explained by combining the attached drawings of the invention as follows:

the invention relates to a sand blasting abrasive screening and recycling device of sand blasting equipment, which comprises a sand blasting device main body 11, wherein a working chamber 30 is arranged in the sand blasting device main body 11, a sand blasting recycling chamber 12 positioned on the lower side of the working chamber 30 is arranged in the sand blasting device main body 11, the sand blasting recycling chamber 12 is communicated with the working chamber 30, a first filter plate 32 is arranged at the position where the sand blasting recycling chamber 12 is communicated with the working chamber 30, a sand blasting plastic screening device 101 is arranged in the sand blasting recycling chamber 12, the sand blasting plastic screening device 101 screens plastic waste materials and sand blasting according to the buoyancy principle, a sand blasting grading device 102 is arranged on the lower side of the sand blasting plastic screening device 101, the sand blasting grading device 102 screens sand blasting particle diameters through rotation and a filter screen, so that crushing and normal sand blasting separation are realized, and the sand blasting grading device 102 comprises a sand blasting waste water tank 23 fixedly connected to the inner wall on the, a waste water cavity 24 with an upward opening is arranged in the waste water tank 23, a fixed tank 73 is fixedly connected to the inner wall of the rear side of the waste water cavity 24, a conveying cavity 74 is arranged in the fixed tank 73, an auxiliary rotating pipe 78 extending upwards into the waste water cavity 24 is rotatably connected to the inner wall of the upper side of the conveying cavity 74, a gear 25 is fixedly connected to the annular end face of the auxiliary rotating pipe 78, an auxiliary conical filter cylinder 70 with an upward opening is communicated and connected to the end face of the upper side of the auxiliary rotating pipe 78, an auxiliary electromagnetic valve 86 is arranged at the communication port of the auxiliary conical filter cylinder 70 and the auxiliary rotating pipe 78, an auxiliary fixed tank 75 is fixedly connected to the inner wall of the rear side of the conveying cavity 74, a rotating pipe 77 extending upwards is rotatably connected to the inner wall of the upper side of the auxiliary fixed tank 75, the rotating pipe 77 is partially positioned in the auxiliary rotating pipe 78, and the rotating pipe 77 is fixedly connected, be equipped with vice solenoid valve 71 on the terminal surface of the upside of rotating tube 77, vice solenoid valve 71 is located in vice toper cartridge filter 70, it is located to be equipped with in sandblast recovery chamber 12 sandblast storage device 103 of sandblast grading plant 102 downside, sandblast storage device 103 is used for the sandblast of classified storage different particle diameters, be equipped with sandblast complementary unit 104 on sandblast storage device 103, sandblast complementary unit 104 is used for adjusting the storage volume of sandblast in sandblast storage device 103.

Beneficially, the sand blasting plastic screening device 101 comprises a recycling cavity 31 fixedly connected to the inner wall of the rear side of the sand blasting recycling cavity 12, the recycling cavity 31 is located on the upper side of the waste water cavity 24, the recycling cavity 31 is open upwards and downwards, the recycling cavity 31 is open downwards and is small in size, so that in the sand blasting operation process, the recycling cavity 31 recycles more water than the water discharged through the recycling cavity 31, a filter box 29 with an upward and downward opening is fixedly connected to the end surface of the left side of the recycling cavity 31, the filter box 29 is used for storing filtered plastic waste, a second filter plate 60 is arranged at the opening of the lower side of the filter box 29, a water receiving tray 27 is fixedly connected to the end surface of the lower side of the filter box 29, the water receiving tray 27 is communicated with the filter box 29, a water pipe 26 is communicated between the water receiving tray 27 and the waste water cavity 24, a wedge-shaped block 61 is fixedly connected to the end surface of the upper side of the right side, a scraping plate 67 is connected to the inner wall of the rear side of the sand blasting recovery cavity 12 in a sliding manner, an auxiliary push rod 68 is fixedly connected to the end face of the left side of the scraping plate 67, the auxiliary push rod 68 can abut against the wedge block 61, a push rod 33 is fixedly connected to the end face of the right side of the scraping plate 67, an auxiliary driven rod 66 is fixedly connected to the end face of the upper side of the push rod 33, an auxiliary wedge block 65 positioned at the right side of the auxiliary driven rod 66 is fixedly connected to the inner wall of the upper side of the sand blasting recovery cavity 12, the auxiliary wedge block 65 can abut against the auxiliary driven rod 66, a slide block 36 positioned at the right side of the push rod 33 is connected to the inner wall of the rear side of the sand blasting recovery cavity 12 in a sliding manner, the push rod 33 is connected to the end face of the left side of the slide block 36 in a sliding manner, the push rod 33 can hover over the slide block 33 due to the sliding, fixedly connected with transfer line 64 on the slider 36 downside terminal surface, sliding connection has and is located on the sandblast is retrieved chamber 12 rear side inner wall inclined plane piece 34 of transfer line 64 downside, inclined plane piece 34 with transfer line 64 butt, it has the counter shaft 85 that extends forward to rotate on retrieving chamber 12 rear side inner wall to sandblast, counter shaft 85 is located inclined plane piece 34 downside, fixedly connected with counter pulley 88 on the counter shaft 85, fixedly connected with is located on the counter shaft 85 the crank disc 38 of counter pulley 88 front side, crank disc 38 with it has connecting rod 37 to articulate between the inclined plane piece 34.

Beneficially, a conical filter cylinder 69 with an upward opening is fixedly connected to the secondary electromagnetic valve 71, the mesh of the conical filter cylinder 69 can filter crushing sand blasting, the mesh of the secondary conical filter cylinder 70 can filter water, a waste water tank 23 located at the right side of the fixed tank 73 is fixedly connected to the inner wall at the rear side of the waste water chamber 24, an upward extending motor shaft 80 is rotatably connected to the upper side end face of the waste water tank 23, a motor 79 fixedly connected to the waste water tank 23 is in power connection with the motor shaft 80, a secondary gear 81 engaged with the gear 25 is fixedly connected to the motor shaft 80, a bevel gear 82 located at the upper side of the secondary gear 81 is fixedly connected to the motor shaft 80, a forward extending rotating shaft 84 is rotatably connected to the inner wall at the rear side of the waste water chamber 24, the rotating shaft 84 is located at the upper side of the bevel gear 82, and a secondary bevel gear 87 engaged with the bevel gear 82 is, fixedly connected with is located on the pivot 84 band pulley 83 of vice bevel gear 87 front side, band pulley 83 with be connected with drive belt 39 between the band pulley 88, fixedly connected with is located on the inboard wall of sandblast recovery chamber 12 downside storage water tank 42 on waste water chamber 24 right side, storage water tank 42 with it has raceway 41 to communicate with each other between the waste water chamber 24, be equipped with water pump 43 on the terminal surface of storage water tank 42 right side, it has output tube 44 to communicate with each other between water pump 43 and the outside sand gun.

Beneficially, the sand blasting storage device 103 comprises two fixed connection portions and a storage box 18 which is arranged on the rear inner wall of the sand blasting recovery cavity 12 and is located on the lower side of the waste water cavity 24, a storage cavity 19 is arranged in the storage box 18, the left storage cavity 19 is used for storing sand blasting with smaller particle diameter (namely sand blasting after being broken), the right storage cavity 19 is used for storing normal sand blasting, the left storage cavity 19 is communicated with the conveying cavity 74 and is connected with a sand conveying pipe 72, the right storage cavity 19 is communicated with the auxiliary fixing box 75 and is connected with an auxiliary sand conveying pipe 76, the left storage cavity 19 is fixedly connected with an auxiliary storage box 22 on the left end face, the auxiliary storage box 22 is communicated with the left storage cavity 19 and is connected with the auxiliary storage cavity 22, the auxiliary storage box 22 is used for storing redundant broken sand blasting, the sand blasting recovery cavity 12 is fixedly connected with a storage box 40 which is located on the right side of the waste water cavity, storage case 40 is used for storing reserve normal sandblast, fixedly connected with sandblast pump 14 on the inboard wall of chamber 12 downside is retrieved in the sandblast, it is connected with input tube 15 to communicate with each other on the 14 side end face of sandblast pump, be equipped with three solenoid valve 16 on the input tube 15, three solenoid valve 16 and two it has a connecting pipe 17 to communicate with each other respectively between the storage chamber 19, it has sandblast output tube 13 to communicate with each other between sandblast pump 14 and the outside sandblast rifle.

Advantageously, the sand blasting replenishment device 104 comprises a piston cylinder 49 fixedly connected to the lower end surface of the storage tank 18, a piston cavity 48 is arranged in the piston cylinder 49, a cavity 50 communicated with the piston cavity 48 and located on the lower side of the piston cavity 48 is arranged in the piston cylinder 49, the opening of the cavity 50 faces downwards, the inner diameter of the cavity 50 is larger than that of the piston cavity 48, a piston 51 is slidably connected to the inner wall of the rear side of the cavity 50, the piston 51 can be hermetically and slidably connected to the inner wall of the piston cavity 48, a piston rod 47 extending upwards into the storage cavity 19 is fixedly connected to the upper end surface of the piston 51, a detection plate 45 located in the storage cavity 19 is fixedly connected to the piston rod 47, a compression spring 46 is connected between the detection plate 45 and the lower inner wall of the storage cavity 19, and a valve body 21 is fixedly connected to the lower end surfaces of the storage tank 40, the valve body 21 is internally provided with a valve body cavity 57 communicated with the corresponding auxiliary storage tank 22 or the corresponding storage tank 40, the inner wall of the lower side of the valve body cavity 57 is connected with a valve core 59 in a sliding way, the right end face of the valve body 21 is fixedly connected with a cylinder 53, the cylinder 53 is internally provided with an auxiliary piston cavity 55, the auxiliary piston cavity 55 is communicated with the piston cavity 48 and is connected with an air passage pipe 52, the auxiliary piston cavity 55 at the left side is communicated with the piston cavity 48 at the left side, the auxiliary piston cavity 55 at the right side is communicated with the piston cavity 48 at the right side, the auxiliary piston cavity 55 is connected with an auxiliary piston 54 in a sliding way, the left end face of the auxiliary piston 54 is fixedly connected with an auxiliary piston rod 56 extending to the left side in the valve body cavity 57, the auxiliary piston rod 56 is fixedly connected with the valve core 59, and the lower, the material pump 58 is communicated with the upper side end face of the storage cavity 19 on the left side, the return pipe 20 is connected, the valve body cavity 57 on the right side is communicated with the storage cavity 19 on the right side, the delivery pipe 63 is connected, the electromagnetic valve 62 is arranged on the delivery pipe 63, the valve core 59 on the left side can seal a communication port of the material pump 58 and the valve body cavity 57 on the left side, and the valve core 59 on the right side can seal a communication port of the valve body cavity 57 on the right side and the delivery pipe 63.

The following describes in detail the use steps of the blasting abrasive screening and recycling device of the blasting equipment in the present document with reference to fig. 1 to 7: initial state: the bevel block 34 is positioned at a lower limit position, under the action of the extension spring 35, the slide block 36, the push rod 33, the scraping plate 67 and the auxiliary driven rod 66 are positioned at a right limit position, the auxiliary driven rod 66 is abutted against the auxiliary wedge block 65, the push rod 33, the scraping plate 67 and the auxiliary push rod 68 are positioned at the lower limit position, the scraping plate 67 is partially positioned in the recovery cavity 31, the auxiliary electromagnetic valve 71, the auxiliary electromagnetic valve 86 and the electromagnetic valve 62 are in a closed state, the three-way electromagnetic valve 16 enables the right connecting pipe 17 to be communicated with the sand blasting pump 14, under the sand blasting action in the storage cavity 19, the detection plate 45, the piston rod 47 and the piston 51 are positioned at the lower limit position, the auxiliary piston 54, the auxiliary piston rod 56 and the valve core 59 are positioned at the right limit position, and the communicating ports between the left valve cavity 57; when the sand blasting machine works, the sand blasting pump 14 and the water pump 43 are started, the sand blasting pump 14 extracts sand blasting with normal size from the storage cavity 19 on the right side through the input pipe 15, the three-way electromagnetic valve 16 and the connecting pipe 17 on the right side, then the sand blasting pump is conveyed into an external sand blasting gun through the sand blasting output pipe 13, simultaneously the water pump 43 conveys water in the water storage tank 42 into the external sand blasting gun through the output pipe 44, so that the external sand blasting gun can perform sand blasting treatment on plastic parts, the sand blasting water and the sand blasting fall into the recovery cavity 31 through the first filter plate 32, the recovery cavity 31 is gradually filled with water, so that plastic waste floats on the water surface, then the motor 79 is started, the motor 79 drives the motor shaft 80, the pinion 81 and the bevel gear 82 to rotate, the pinion 81 is connected with the gear 25 in a meshing manner to drive the pinion rotating pipe 78 to rotate, the pinion rotating pipe 78 drives the pinion conical filter, the conical filter cylinder 69 and the auxiliary conical filter cylinder 70 can rotationally screen the gravels, the bevel gear 82 drives the auxiliary bevel gear 87 to rotate through meshing connection, the auxiliary bevel gear 87 drives the rotating shaft 84 to rotate, the rotating shaft 84 drives the belt wheel 83 to rotate, the belt wheel 83 drives the auxiliary belt wheel 88 to rotate through the transmission belt 39, the auxiliary belt wheel 88 drives the auxiliary rotating shaft 85 and the crank disc 38 to rotate, the crank disc 38 drives the bevel block 34 to reciprocate up and down through the connecting rod 37, the bevel block 34 pushes the transmission rod 64 and the sliding block 36, the push rod 33, the scraper 67 and the auxiliary push rod 68 move leftwards first, so that the scraper 67 pushes the plastic waste floating on the water surface leftwards, the plastic waste is communicated with the filter box 29 through the recovery cavity 31 and falls into the filter box 29, the water flowing into the filter box 29 along with the plastic waste is conveyed into the waste water cavity 24 through the second filter plate 60 and the water pipe 26, and then flows back into the water storage tank 42 through the water conveying pipe 41; the sand blasting and part of the water fall into the conical filter cylinder 69 through the lower opening of the recovery cavity 31, the conical filter cylinder 69 and the auxiliary conical filter cylinder 70 rotate, so that the water in the conical filter cylinder 69 and the crushed sand blasting fall into the auxiliary conical filter cylinder 70 through the wall surface of the conical filter cylinder 69, then the water falls into the waste water cavity 24 through the auxiliary conical filter cylinder 70, then the water in the waste water cavity 24 flows back into the water storage tank 42 through the water conveying pipe 41, thereby realizing the recycling of the water, after the sand blasting screening is completed, after the sand blasting operation is stopped, the auxiliary electromagnetic valve 86 and the auxiliary electromagnetic valve 71 are opened, the normal sand blasting in the conical filter cylinder 69 falls back into the storage cavity 19 on the right side through the auxiliary electromagnetic valve 71, the rotating pipe 77, the auxiliary fixed box 75 and the auxiliary sand conveying pipe 76 for storage, and the crushed sand blasting in the auxiliary conical filter cylinder 70 flows into the storage cavity 19 on the left side through the auxiliary electromagnetic valve 86, the auxiliary rotating, the redundant sand blasting in the left storage chamber 19 can flow into the auxiliary storage tank 22 for storage through the communication port between the left storage chamber 19 and the auxiliary storage tank 22; if fine sand blasting is needed for processing, the three-way electromagnetic valve 16 is operated to enable the connecting pipe 17 on the left side to be communicated with the three-way electromagnetic valve 16, so that sand blasting can be carried out by using the fine sand blasting crushed in the storage cavity 19 on the left side; when the sand blasting amount in the storage cavity 19 is insufficient, under the action of the compression spring 46, the detection plate 45 moves upwards to enable the piston 51 to move upwards into the piston cavity 48, the air flow generated in the process that the piston 51 moves upwards in the piston cavity 48 is conveyed into the auxiliary piston cavity 55 through the air passage pipe 52, the auxiliary piston 54, the auxiliary piston rod 56 and the valve core 59 are pushed to move left, so that the valve cavity 57 and the corresponding material pump 58 or the corresponding conveying pipe 63 are opened, if the sand blasting in the storage cavity 19 on the left side is insufficient, the material pump 58 is started to convey the sand blasting in the auxiliary storage tank 22 into the storage cavity 19 on the left side through the valve cavity 57 on the left side and the return pipe 20 for supplement, if the sand blasting in the storage cavity 19 on the right side is insufficient, the electromagnetic valve 62 is opened, the sand blasting in the storage tank 40 is conveyed into the sand blasting storage cavity 19 on the right side through the valve cavity 57 on the right, after the supplement is completed, the sand blasting weight enables the detection plate 45 to move downwards and reset, so that the secondary piston 54 and the valve core 59 move rightwards and reset, and the material pump 58 or the conveying pipe 63 is closed.

In the above manner, a person skilled in the art can make various changes depending on the operation mode within the scope of the present invention.

Claims

1. The utility model provides a sandblast abrasive screening recovery unit of sand blasting equipment, includes the sand blasting unit main part, its characterized in that: the sand blasting device comprises a sand blasting device body, a working chamber is arranged in the sand blasting device body, a sand blasting recovery chamber is arranged in the sand blasting device body and is positioned on the lower side of the working chamber, the sand blasting recovery chamber is communicated with the working chamber, a first filter plate is arranged at the communication position of the sand blasting recovery chamber and the working chamber, a sand blasting plastic screening device is arranged in the sand blasting recovery chamber, the sand blasting plastic screening device screens plastic waste materials and sand blasting according to the buoyancy principle, a sand blasting grading device is arranged on the lower side of the sand blasting plastic screening device, the sand blasting grading device screens sand blasting particles through rotation and the filter screen, so that the sand blasting particles are crushed and separated normally, the sand blasting grading device comprises a waste water tank fixedly connected to the inner wall of the rear side of the sand blasting recovery chamber, a waste water chamber with an upward opening is arranged in the waste water tank, the fixed box is internally provided with a conveying cavity, the inner wall of the upper side of the conveying cavity is rotatably connected with an auxiliary rotating pipe which extends upwards into the wastewater cavity, the annular end surface of the auxiliary rotating pipe is fixedly connected with a gear, the end surface of the upper side of the auxiliary rotating pipe is communicated and connected with an auxiliary conical filter cylinder with an upward opening, the communication port of the auxiliary conical filter cylinder and the auxiliary rotating pipe is provided with an auxiliary electromagnetic valve, the inner wall of the rear side of the conveying cavity is fixedly connected with an auxiliary fixed box, the inner wall of the upper side of the auxiliary fixed box is rotatably connected with an upward extending rotating pipe, the rotating pipe is partially positioned in the auxiliary rotating pipe, the rotating pipe is fixedly connected with the auxiliary conical filter cylinder, the end surface of the upper side of the rotating pipe is provided with an auxiliary electromagnetic valve, the auxiliary electromagnetic valve is positioned in the auxiliary conical filter cylinder, and the sandblasting, the sand blasting storage device is used for storing sand blasting with different particle diameters in a classified mode, the sand blasting storage device is provided with a sand blasting supplement device, and the sand blasting supplement device is used for adjusting the storage capacity of sand blasting in the sand blasting storage device.

2. The blasting abrasive screening recovery apparatus of a blasting apparatus according to claim 1, wherein: the sand blasting plastic screening device comprises a recovery cavity fixedly connected to the rear inner wall of the sand blasting recovery cavity, the recovery cavity is positioned on the upper side of the waste water cavity, the opening of the recovery cavity faces upwards and downwards, the opening of the lower side of the recovery cavity is smaller, so that in the sand blasting working process, the amount of water recovered by the recovery cavity is larger than the amount of water discharged through the opening of the lower side of the recovery cavity, a filter box with an upward and downward opening is fixedly connected to the left end face of the recovery cavity, the filter box is used for storing filtered plastic waste, a second filter plate is arranged at the opening of the lower side of the filter box, a water receiving disc is fixedly connected to the lower end face of the filter box, the water receiving disc is communicated with the filter box, a water pipe is communicated with the waste water cavity, a wedge block is fixedly connected to the upper end face of the right side of the filter box, and a scraping plate is slidably, the auxiliary push rod is fixedly connected to the end face of the left side of the scraper blade and can abut against the wedge block, the push rod is fixedly connected to the end face of the right side of the scraper blade, the auxiliary driven rod is fixedly connected to the end face of the upper side of the push rod, the auxiliary wedge block positioned on the right side of the auxiliary driven rod is fixedly connected to the inner wall of the upper side of the sand blasting recovery cavity and can abut against the auxiliary driven rod, the sliding block positioned on the right side of the push rod is slidably connected to the inner wall of the rear side of the sand blasting recovery cavity, the push rod is slidably connected to the end face of the left side of the sliding block, the push rod can hover by the sliding damping of the push rod and the sliding block, the sliding block can only move left and right along the sand blasting recovery cavity, the extension spring is connected between the sliding block and the inner wall of the right side of the sand blasting recovery cavity, the, the bevel block with the transfer line butt, it is connected with the counter shaft that extends forward to rotate on the sandblast recovery chamber rear side inner wall, the counter shaft is located bevel block downside, fixedly connected with counter pulley on the counter shaft, fixedly connected with is located on the counter shaft the crank dish of counter pulley front side, the crank dish with it has the connecting rod to articulate between the bevel block.

3. The blasting abrasive screening recovery apparatus of a blasting apparatus according to claim 2, wherein: the auxiliary electromagnetic valve is fixedly connected with a conical filter cylinder with an upward opening, meshes of the conical filter cylinder can filter, crush and sand blast, meshes of the auxiliary conical filter cylinder can filter water, the inner wall of the rear side of the waste water cavity is fixedly connected with a waste water tank positioned on the right side of the fixed box, the end surface of the upper side of the waste water tank is rotatably connected with an upwardly extending motor shaft, the motor shaft is in power connection with a motor fixedly connected to the waste water tank, the motor shaft is fixedly connected with an auxiliary gear in meshing connection with the gear, the motor shaft is fixedly connected with a bevel gear positioned on the upper side of the auxiliary gear, the inner wall of the rear side of the waste water cavity is rotatably connected with a rotating shaft extending forwards, the rotating shaft is positioned on the upper side of the bevel gear, the rotating shaft is fixedly connected with an auxiliary bevel gear in meshing connection with the bevel gear, and, the belt pulley with be connected with the drive belt between the accessory pulley, fixedly connected with is located on the chamber downside inner wall is retrieved in the sandblast the storage water tank on waste water chamber right side, the storage water tank with the raceway is connected to communicating between the waste water chamber, be equipped with the water pump on the terminal surface of storage water tank right side, the output tube is connected to communicating between water pump and the outside sand gun.

4. The blasting abrasive screening recovery apparatus of a blasting apparatus according to claim 1, wherein: the sand blasting storage device comprises two fixed connections and a storage box which is arranged on the rear inner wall of the sand blasting recovery cavity and is positioned on the lower side of the waste water cavity, a storage cavity is arranged in the storage box, the left storage cavity is used for storing sand blasting with smaller particle diameter (namely sand blasting after crushing), the storage cavity on the right side is used for storing normal sand blasting, the left storage cavity is communicated with the conveying cavity and is connected with a sand conveying pipe, the right storage cavity is communicated with the auxiliary fixing box and is connected with an auxiliary sand conveying pipe, the left storage cavity is fixedly connected with an auxiliary storage box on the left end face of the storage cavity, the auxiliary storage box is communicated with the left storage cavity and is used for storing redundant crushed sand blasting, the sand blasting recovery cavity is fixedly connected with a storage box which is positioned on the right side of the waste water cavity on the inner wall of the rear side, and the storage box, fixedly connected with sandblast pump on the sandblast recovery chamber downside inner wall, the expert is connected with the input tube on the terminal surface of sandblast pump upside, be equipped with three way solenoid valve on the input tube, three way solenoid valve and two it has a connecting pipe to communicate respectively between the storage chamber, it has the sandblast output tube to communicate between sandblast pump and the outside sand gun.

5. The blasting abrasive screening recovery apparatus of a blasting apparatus according to claim 4, wherein: the sand blasting supplementing device comprises a piston cylinder fixedly connected to the lower side end face of the storage box, a piston cavity is arranged in the piston cylinder, a cavity which is communicated with the piston cavity and is positioned on the lower side of the piston cavity is arranged in the piston cylinder, the opening of the cavity faces downwards, the inner diameter of the cavity is larger than that of the piston cavity, a piston is slidably connected to the inner wall of the rear side of the cavity and can be in airtight sliding connection with the inner wall of the piston cavity, a piston rod which extends upwards into the storage cavity is fixedly connected to the upper side end face of the piston, a detection plate which is positioned in the storage cavity is fixedly connected to the piston rod, a compression spring is connected between the detection plate and the inner wall of the lower side of the storage cavity, a valve body is fixedly connected to the lower side end faces of the storage box and the auxiliary storage box respectively, the valve comprises a valve body cavity, a valve core, a cylinder, an auxiliary piston cavity, an auxiliary piston rod, a valve core, a material pump, a delivery pipe and an electromagnetic valve, wherein the valve core is connected to the inner wall of the lower side of the valve body cavity in a sliding manner, the cylinder is fixedly connected to the end face of the right side of the valve body, the auxiliary piston cavity is communicated with the piston cavity and is connected with an air passage pipe, the auxiliary piston cavity on the left side is communicated with the piston cavity on the left side and is connected with the piston cavity on the right side, the auxiliary piston cavity on the right side is communicated with the piston cavity on the left side, the auxiliary piston cavity on the right side is communicated with the piston cavity on the right side and is connected with the piston cavity on the right side, the auxiliary piston cavity on the right side is communicated with the piston cavity on the right side, the valve core on the left side can seal a communicating port of the material pump and the valve body cavity on the left side, and the valve core on the right side can seal a communicating port of the valve body cavity on the right side and the conveying pipe.