CN112008613B

CN112008613B - Sand blasting device

Info

Publication number: CN112008613B
Application number: CN202010877905.2A
Authority: CN
Inventors: 李伟强; 李小能
Original assignee: Yuhuan Zhengda Machinery Co ltd
Current assignee: Yuhuan Zhengda Machinery Co ltd
Priority date: 2020-08-27
Filing date: 2020-08-27
Publication date: 2021-12-03
Anticipated expiration: 2040-08-27
Also published as: CN112008613A

Abstract

The utility model relates to a sand blasting unit relates to automobile parts processing equipment's field, the load simulator comprises a case, quick-witted incasement be equipped with the rack, quick-witted incasement still be equipped with sand blasting mechanism, sand blasting mechanism be located the top of rack, sand blasting mechanism include the shower nozzle and remove the subassembly, the removal subassembly include fixed plate and fixed mounting the impeller on the fixed plate, impeller and shower nozzle be connected in order to drive the shower nozzle and remove. This application has the effect that reduces different work piece surface roughness's difference.

Description

Sand blasting device

Technical Field

The application relates to the field of automobile part processing equipment, in particular to a sand blasting device.

Background

The shifting fork is a component on the automobile gearbox, is connected with a speed change handle and is positioned at the lower end of the handle, and shifts the middle speed change wheel to change the input-output speed ratio. The shifting fork is mainly used for shifting gears of the clutch.

In order to improve the use strength of the shifting fork, molybdenum spraying treatment needs to be carried out on the surface of the shifting fork when the shifting fork is produced. Before molybdenum blasting, sand blasting treatment needs to be carried out on the shifting fork through a sand blasting machine so as to increase the roughness of the surface of the shifting fork.

The sand blasting is to form a high-speed spray beam by using compressed air as power to spray blasting materials (such as copper ore sand, quartz sand, carborundum, iron sand, Hainan sand and the like) to the surface of a workpiece to be treated at a high speed so as to change the appearance or shape of the outer surface of the workpiece surface. Due to the impact and cutting action of the abrasive on the surface of the workpiece, the surface of the workpiece obtains certain cleanliness and different roughness, the mechanical property of the surface of the workpiece is improved, the fatigue resistance of the workpiece can be improved, the adhesive force between the workpiece and a coating is increased, and the durability of a coating is prolonged.

In view of the above-mentioned related art, the inventor believes that the existing blasting machine has a defect that the surface roughness of different workpieces greatly varies after the surface of the workpiece is subjected to blasting treatment.

Disclosure of Invention

In order to reduce the difference of different work piece surface roughness, this application provides a sand blasting unit.

The application provides a sand blasting unit adopts following technical scheme:

the utility model provides a sand blasting device, includes quick-witted case, quick-witted incasement be equipped with the rack, quick-witted incasement still be equipped with sand blasting mechanism, sand blasting mechanism be located the top of rack, sand blasting mechanism include shower nozzle and removal subassembly, the removal subassembly include fixed plate and fixed mounting the impeller on the fixed plate, impeller and shower nozzle be connected in order to drive the shower nozzle and remove.

Through adopting above-mentioned technical scheme, when using, the impeller promotes the shower nozzle and removes, consequently when carrying out the sandblast to the work piece, the shower nozzle can be followed the one end of work piece and removed to the other end of work piece, accomplishes the sand blasting to the work piece promptly, consequently need not the manual work at the sandblast in-process and adjusts the work piece, reduces because the manual adjustment leads to the probability of dislocation, consequently can effectively reduce the difference of different work piece surface roughness behind the sandblast.

Preferably, the pushing member comprises an electric push rod, a slide rail and a slide block, the slide rail is mounted on the fixed plate, the slide block is connected with the slide rail in a sliding manner, the electric push rod drives the slide block to slide back and forth along the slide rail, and the spray head is fixedly connected with the slide block.

Through adopting above-mentioned technical scheme, when using, electric putter drives the slider and slides, and then drives the shower nozzle and slides to realize that the shower nozzle removes to the other end from the one end of work piece in the sandblast, consequently can reduce the difference of different work piece surface roughness after the sandblast.

Preferably, the case on still be equipped with circulation mechanism, circulation mechanism include storage case, storage hopper and extraction piece, the storage hopper be located the below of rack, the extraction piece be used for extracting the material spraying in the storage hopper to the storage case in.

Through adopting above-mentioned technical scheme, in the use, the shower nozzle spun spouts the material behind the work piece, can drop to the storage hopper in, draws the piece afterwards and spouts the material extraction to the storage incasement in with the storage hopper, consequently realizes spouting the real-time cycle of material, can effectively reduce artifical frequency of spouting the material to the storage incasement interpolation.

Preferably, the circulating mechanism further comprises a feeding assembly, the feeding assembly comprises a transit pipe, a feeding pipe and an air source, the transit pipe comprises a closed section and a transit section, electric valves are arranged at the upper end and the lower end of the closed section, the upper end of the closed section is communicated with the storage box, the lower end of the closed section is communicated with the transit section, the transit section is communicated with the feeding pipe, one end of the feeding pipe is communicated with the air source, and the other end of the feeding pipe is communicated with the spray head.

Through adopting above-mentioned technical scheme, when using, spout the material and gather in the lower part of storage case under the effect of gravity in the storage case, the motorised valve that is located the enclosed section upper portion is opened, make enclosed section and storage case be linked together, consequently, it can drop to the enclosed section in to spout the material, this motorised valve is closed afterwards, the motorised valve that is located the lower extreme department of enclosed section opens, make and spout the material and drop to the transfer section in, because transfer section and conveying pipe are linked together, consequently, spout in the conveying pipe and can drop to in the conveying pipe, and by the high-pressure gas of conveying pipe deliver to shower nozzle department, and spout from shower nozzle department.

Preferably, the case is further internally provided with a rotating assembly, the rotating assembly comprises a fixed rod and a speed reducer, the fixed rod is fixedly connected with the case, the speed reducer is fixedly connected with the fixed rod, the placing frame is connected with the speed reducer, and the case is further provided with a power part for driving the placing frame to rotate.

Through adopting above-mentioned technical scheme, when using, can place a plurality of work pieces circumference on the rack, after a work piece sandblast was accomplished, drive the rack through the power spare and rotate, make another work piece that does not blast sand and handle remove to the below of shower nozzle, and then reach the purpose of adjustment work piece position, consequently can effectual improvement production efficiency.

Preferably, the case is further provided with a negative pressure pipe, the negative pressure pipe is provided with an exhaust fan, and the negative pressure pipe is communicated with the inside of the case.

Through adopting above-mentioned technical scheme, when carrying out sand blasting to the work piece, because impact and cutting can produce the dust, consequently the air exhauster can be taken out the dust that produces from quick-witted incasement, consequently can reduce the dust that drifts to operational environment.

Preferably, the fixed plate separate into epicoele and cavity of resorption with the quick-witted case, the rack be located the cavity of resorption, quick-witted case on still articulated have a sealing door that is used for sealed cavity of resorption, sealing door be equipped with the sealing strip towards one side of cavity of resorption, sealing door still be equipped with the baffle towards one side of cavity of resorption, the baffle downward sloping setting, the baffle with the opening of the contained angle that forms of sealing door down.

Through adopting above-mentioned technical scheme, when the sandblast to the work piece, the part is spouted the material and can be sputtered the lower part to the sealing door, and the existence of the baffle that consequently the slope set up can play the guide effect to spouting the material, will spout in the material guides to the storage hopper, reduces to spout the probability that the material gathers in sealing door department, when consequently having reduced and opening sealing door, spouts the probability that the material drops to the machine case outside from sealing door department.

Preferably, the sealing door on be equipped with the couple, quick-witted case on be equipped with the locating lever of couple looks adaptation, the sealing door on be equipped with the dwang, the dwang with the sealing door rotate to be connected, the couple with dwang fixed connection, the baffle with the sealing door articulated mutually, the dwang on still be equipped with the bracing piece, the bracing piece with the baffle contact.

Through adopting above-mentioned technical scheme, when closing the sealing door, the couple rotates, make the couple catch on the locating lever, thereby reach the purpose of closing the sealing door, because couple and dwang are connected, dwang and sealing door rotate to be connected, consequently when the couple rotates, the dwang also can take place to rotate, and then drive the bracing piece and rotate, play the supporting role to the baffle of vertical state, make the baffle rotate along articulated department, and the slope, when the sealing door is in the closed condition promptly, the baffle is in the tilt state, when the sealing door is in the open condition, the baffle is in vertical state, consequently, can reduce when upper and lower work piece, the probability that work piece or operating personnel and baffle bump.

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

reducing the difference of the surface roughness of different workpieces after sand blasting;

the dust flying to the working environment can be reduced.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present application.

Fig. 2 is a schematic internal structural diagram of a chassis according to an embodiment of the present application.

FIG. 3 is a schematic view of a magazine and feed assembly according to an embodiment of the present disclosure.

Fig. 4 is a schematic view of an extractor in another embodiment of the present application.

Fig. 5 is an enlarged schematic view of a portion a of fig. 1.

FIG. 6 is a schematic sectional structural view of a sealing door according to an embodiment of the present application.

Fig. 7 is a schematic view of an internal structure of an air outlet plate according to an embodiment of the present application.

FIG. 8 is a schematic cross-sectional structural view of an air outlet plate according to an embodiment of the present application.

Description of reference numerals: 1. a chassis; 11. an upper chamber; 12. a lower cavity; 13. positioning a rod; 2. a circulating mechanism; 21. a material storage box; 22. a storage hopper; 23. a transit tube; 231. a closing section; 232. a transfer section; 233. an electrically operated valve; 24. a feed pipe; 25. drawing the part; 251. a sand pump; 252. a screw conveyor; 3. a sealing door; 31. a sealing strip; 32. hooking; 33. a baffle plate; 34. a rotating groove; 35. rotating the rod; 36. a support bar; 4. a sand blasting mechanism; 41. a spray head; 42. an electric push rod; 43. a slider; 44. a slide rail; 45. a fixing plate; 5. a negative pressure tube; 61. fixing the rod; 62. a speed reducer; 63. placing a rack; 64. a power member; 7. an air outlet plate; 71. an air outlet; 72. an air outlet flow channel.

Detailed Description

The present application is described in further detail below with reference to figures 1-8.

The embodiment of the application discloses sand blasting device, refer to fig. 1 and 2, sand blasting device includes quick-witted case 1 and circulation mechanism 2, is equipped with rack 63 in the quick-witted case 1, still is equipped with sand blasting mechanism 4 in the quick-witted case 1, and sand blasting mechanism 4 is located the top of rack 63, and sand blasting mechanism 4 includes shower nozzle 41 and removes the subassembly, removes the subassembly and includes fixed plate 45 and the impeller of fixed mounting on fixed plate 45, and the impeller is connected with shower nozzle 41 in order to drive shower nozzle 41 and remove. In this embodiment, the nozzle 41 may be a circular tube.

Referring to fig. 1 and 2, a fixing plate 45 divides a case 1 into an upper chamber 11 and a lower chamber 12, a sealing door 3 is further hinged to the case 1, the sealing door 3 is used for sealing the lower chamber 12, a placing frame 63 is located in the lower chamber 12, a pushing member is located in the upper chamber 11, the pushing member includes two electric push rods 42, two slide rails 44 and a sliding block 43, the two slide rails 44 are symmetrically and fixedly installed on the upper surface of the fixing plate 45, and the electric push rods 42 are fixedly installed on the fixing plate 45 and located at one ends of the slide rails 44. The sliding block 43 is connected with the sliding rail 44 in a sliding manner, the electric push rod 42 drives the sliding block 43 to slide along the sliding rail 44 in a reciprocating manner, and the spray head 41 is fixedly connected with the sliding block 43. The fixing plate 45 is provided with a moving groove for extending the nozzle 41 from the upper chamber 11 into the lower chamber 12, and the moving groove is located between the two slide rails 44.

Referring to fig. 1 and 3, the circulation mechanism 2 includes a storage bin 21 and a feed assembly including a transit tube 23, a feed tube 24, and an air source. The feeding pipe 24 is a rubber hose, and in this embodiment, the rubber hose is a steel wire woven rubber hose. The steel wire braided rubber tube consists of an inner rubber layer, a steel wire braided layer and an outer rubber layer. The air supply can be air compressor, and transfer pipe 23 includes closed section 231 and transfer section 232, and closed section 231 upper end and lower extreme department all are equipped with motorised valve 233, and closed section 231's upper end and storage case 21 are linked together, and lower extreme and transfer section 232 are linked together, and transfer section 232 and conveying pipe 24 are linked together, and conveying pipe 24 one end is linked together with the air supply, and the other end is linked together with shower nozzle 41.

When in use, an operator places a workpiece on the placing frame 63, then closes the sealing door 3, high-pressure gas is conveyed to the spray head 41 from the feeding pipe 24 and is finally discharged from the spray head 41, spray stored in the storage box 21 is accumulated below the storage box 21, after the electric valve 233 above the closed section 231 is opened, the closed section 231 is communicated with the storage box 21, the spray enters the closed section 231 from the storage box 21, then the electric valve 233 below the closed section 231 is opened, so that the closed section 231 is communicated with the intermediate section 232, and therefore the spray in the closed section 231 enters the intermediate section 232 and enters the feeding pipe 24 from the intermediate section 232 and is sprayed onto the workpiece from the spray head 41 under the action of the high-pressure gas.

Referring to fig. 1 and 3, the circulating mechanism 2 further includes a storage hopper 22 and an extraction member 25, the storage hopper 22 is fixedly connected to the case 1, is located below the lower chamber 12, and is communicated with the lower chamber 12, one end of the extraction member 25 is connected to the storage hopper 22, and the other end is connected to the storage tank 21, and is configured to convey the spray material in the storage hopper 22 into the storage tank 21. In this embodiment, the pumping member 25 includes a sand pump 251 and a rubber hose connected to the sand pump 251, the rubber hose being connected below the storage hopper 22.

The spraying material sprayed from the nozzle 41, after passing through the workpiece, falls into the storage hopper 22 and falls into the rubber hose, and is pumped into the storage box 21 by the sand pump 251. Therefore, the circulation of the injection can be realized, and the frequency of manually adding the injection into the hopper 21 can be reduced.

Referring to fig. 4, in another embodiment, the extraction member 25 comprises a screw conveyor 252 and a rubber hose, the screw conveyor 252 is installed below the storage hopper 22, one end of the rubber hose is communicated with the output end of the screw conveyor 252, and the other end is communicated with the storage tank 21. In use, therefore, the material spray is fed into the rubber hose via the screw conveyor 252 and finally into the storage bin 21.

In order to reduce the probability that part of the spray material splashes to the lower part of the sealing door 3 during the sand blasting process, the spray material falls out of the case 1 from the sealing door 3 when the sealing door 3 is opened. Referring to fig. 5 and 6, a sealing strip 31 is arranged on one side of the sealing door 3 facing the lower cavity 12, the sealing strip 31 is fixedly connected with the sealing door 3, the sealing strip 31 is a rubber strip, a baffle 33 is further arranged on one side of the sealing door 3 facing the lower cavity 12, and the baffle 33 is hinged to the sealing door 3. Be equipped with couple 32 on the sealing door 3, the locating lever 13 of fixedly connected with and couple 32 looks adaptation on the quick-witted case 1, when couple 32 and locating lever 13 block mutually, couple 32's opening upwards is equipped with dwang 35 on the sealing door 3, and dwang 35 and sealing door 3 rotate to be connected, couple 32 and dwang 35 fixed connection, still be fixed with bracing piece 36 on the dwang 35, and bracing piece 36 is located between baffle 33 and the sealing door 3. The sealing door 3 is provided with a rotation groove 34 for rotating the support rod 36.

When sealing door 3 is closed back, sealing strip 31 is in compression state, the couple 32 rotates, make couple 32 and locating lever 13 block mutually and, in order to prevent sealing door 3 to open under sealing strip 31's effect, because couple 32 and dwang 35 fixed connection, dwang 35 and sealing door 3 rotate and connect, therefore when rotating couple 32, dwang 35 also can take place to rotate, and then drive bracing piece 36 and rotate, and finally keep the horizontality, bracing piece 36 can make baffle 33 take place to rotate and the downward sloping gradually at the rotation in-process, and the opening of baffle 33 and the contained angle that sealing door 3 formed is downward, consequently, when the sandblast, the material that spouts can splash to baffle 33, and in the direction gliding to storage hopper 22 of baffle 33. The probability of spray material accumulating at the sealing door 3 can be reduced. When the sealing door 3 is in the open state, the hook 32 is not engaged with the positioning rod 13, and the hook 32 is in the vertical state under the action of gravity, so that the supporting rod 36 is in the vertical state and partially positioned in the rotating groove 34. When the baffle 33 loses the support of the support rod 36, the baffle can be in a vertical state under the action of gravity, so that the probability of collision between a workpiece or an operator and the baffle 33 when the workpiece is lifted and lowered can be reduced.

Referring to fig. 2, a rotating assembly is further disposed in the case 1, the rotating assembly includes a fixing rod 61 and a speed reducer 62, the fixing rod 61 is fixedly connected with the case 1, the fixing rod 61 is located in the lower cavity 12, the speed reducer 62 is fixedly connected with the fixing rod 61, the placing rack 63 is connected with the speed reducer 62, the placing rack 63 is connected with an output shaft of the speed reducer 62, and a power member 64 for driving the placing rack 63 to rotate is further disposed on the case 1. In this embodiment, the power element 64 is a motor, the motor is installed outside the casing 1, and an output shaft of the motor extends into the lower cavity 12 and is connected to the reducer 62.

Therefore, when the spray head is used, an operator circumferentially places a plurality of workpieces on the placing frame 63, and after one workpiece is subjected to sand blasting, the power part 64 drives the placing frame 63 to rotate, so that the other workpiece is moved to the position below the spray head 41, and therefore the production efficiency can be effectively improved.

Referring to fig. 2, when the workpiece is subjected to sand blasting, dust is generated, and in order to reduce the dust floating to the working environment, a negative pressure pipe 5 is further arranged on the case 1, an exhaust fan is arranged on the negative pressure pipe 5, and the negative pressure pipe 5 is located in the upper cavity 11 and is communicated with the lower cavity 12. Therefore, in the sand blasting process, the generated dust can be extracted out of the case 1 by the negative pressure pipe 5, and the dust flying to the working environment is further reduced.

Referring to fig. 2 and 7, in order to reduce the noise generated by the collision between the spraying material and the storage hopper 22, an air outlet plate 7 is further disposed in the lower chamber 12, the air outlet plate 7 is inclined downward and is fixedly connected with the inner wall of the lower chamber 12, and an included angle between the air outlet plate 7 and a vertical surface is less than 45 °, and in this embodiment, is 40 °. The gas outlet plates 7 are arranged oppositely, and the lower ends of the two gas outlet plates 7 are gradually close to each other. Referring to fig. 7 and 8, a plurality of air outlet holes 71 are formed in the air outlet plate 7, the air outlet holes 71 penetrate through the air outlet plate 7 and are perpendicular to the air outlet plate 7, an air outlet flow passage 72 is further formed in the air outlet plate 7, the air outlet flow passage 72 is communicated with the air outlet holes 71, the air outlet flow passage 72 is connected with an external air source (such as a blower) through a pipeline, and a position where the air outlet flow passage 72 is communicated with the air outlet holes 71 is located on one side close to the pipeline. Therefore, when the injection material passes through the air outlet hole 71, the probability of the injection material entering the air outlet flow passage 72 can be reduced. In use, the air blower blows air into the air outlet plate 7, the air is discharged from the air outlet hole 71, and the falling spraying material is blown, so that the falling speed of the spraying material can be reduced, the force of the spraying material impacting the air outlet plate 7 or the storage hopper 22 is reduced, and the noise generated by collision is reduced. Meanwhile, the dust can float upwards, so that the negative pressure pipe 5 can conveniently extract the dust, and the dust extraction effect is better.

The implementation principle of the sand blasting device in the embodiment of the application is as follows: when the material spraying device is used, the high-pressure gas sends the spraying material falling into the feeding pipe 24 from the storage box 21 through the transfer pipe 23 to the spray head 41 and sprays the spraying material onto a workpiece from the spray head 41, the spraying material passing through the workpiece drops into the storage hopper 22 after being decelerated through the gas outlet plate 7, and the spraying material is conveyed into the storage box 21 through the drawing piece 25.

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

Claims

1. A sand blasting device is characterized in that: the sand blasting machine comprises a machine case (1), wherein a placing frame (63) is arranged in the machine case (1), a sand blasting mechanism (4) is further arranged in the machine case (1), the sand blasting mechanism (4) is located above the placing frame (63), the sand blasting mechanism (4) comprises a spray head (41) and a moving assembly, the moving assembly comprises a fixing plate (45) and a pushing piece fixedly installed on the fixing plate (45), and the pushing piece is connected with the spray head (41) to drive the spray head (41) to move;

the circulating mechanism (2) is further arranged on the case (1), the circulating mechanism (2) comprises a storage box (21), a storage hopper (22) and a drawing piece (25), the storage hopper (22) is positioned below the placing frame (63), and the drawing piece (25) is used for drawing the sprayed materials in the storage hopper (22) into the storage box (21);

the circulating mechanism (2) further comprises a feeding assembly, the feeding assembly comprises a transit pipe (23), a feeding pipe (24) and an air source, the transit pipe (23) comprises a closed section (231) and a transit section (232), electric valves (233) are arranged at the upper end and the lower end of the closed section (231), the upper end of the closed section (231) is communicated with the storage box (21), the lower end of the closed section is communicated with the transit section (232), the transit section (232) is communicated with the feeding pipe (24), one end of the feeding pipe (24) is communicated with the air source, and the other end of the feeding pipe (24) is communicated with the spray head (41);

the fixing plate (45) divides the case (1) into an upper chamber (11) and a lower chamber (12), the placing frame (63) is located in the lower chamber (12), the case (1) is hinged with a sealing door (3) used for sealing the lower chamber (12), a sealing strip (31) is arranged on one side, facing the lower chamber (12), of the sealing door (3), a baffle (33) is arranged on one side, facing the lower chamber (12), of the sealing door (3), the baffle (33) is arranged in a downward inclined mode, and an opening of an included angle formed by the baffle (33) and the sealing door (3) faces downward;

still be equipped with air outlet plate (7) in lower chamber (12), air outlet plate (7) are equipped with two and relative setting, two the lower extreme of air outlet plate (7) is close to gradually, be equipped with venthole (71) on air outlet plate (7), still be equipped with air outlet flow way (72) on air outlet plate (7), air outlet flow way (72) with venthole (71) are linked together, air outlet flow way (72) are connected through pipeline and external air supply, air outlet flow way (72) with venthole (71) are linked together the department and are located the one side that is close to the pipeline.

2. A blasting apparatus as claimed in claim 1, wherein: the pushing part comprises an electric push rod (42), a sliding rail (44) and a sliding block (43), the sliding rail (44) is installed on a fixing plate (45), the sliding block (43) is connected with the sliding rail (44) in a sliding mode, the electric push rod (42) drives the sliding block (43) to slide along the sliding rail (44) in a reciprocating mode, and the spray head (41) is fixedly connected with the sliding block (43).

3. A blasting apparatus as claimed in claim 1, wherein: case (1) in still be equipped with runner assembly, runner assembly include dead lever (61) and reduction gear (62), dead lever (61) and case (1) fixed connection, reduction gear (62) and dead lever (61) fixed connection, rack (63) with reduction gear (62) be connected, case (1) on still be equipped with and be used for driving rack (63) pivoted power spare (64).

4. A blasting apparatus as claimed in claim 1, wherein: case (1) on still be equipped with negative pressure pipe (5), be equipped with the air exhauster on negative pressure pipe (5), negative pressure pipe (5) with the inside of case (1) be linked together.

5. A blasting apparatus as claimed in claim 1, wherein: sealing door (3) on be equipped with couple (32), quick-witted case (1) on be equipped with locating lever (13) of couple (32) looks adaptation, sealing door (3) on be equipped with dwang (35), dwang (35) with sealing door (3) rotate and connect, couple (32) with dwang (35) fixed connection, baffle (33) with sealing door (3) articulated mutually, dwang (35) on still be equipped with bracing piece (36), bracing piece (36) with baffle (33) contact.