CN116276673A - Sand blasting carrier belt cleaning device - Google Patents

Abstract

The invention is suitable for the technical field of sand blasting carrier cleaning, and provides a sand blasting carrier cleaning device which comprises a base, wherein a conveying component and a backflow component are arranged at the top of the base, the backflow component is positioned at one side of the conveying component, a bearing component is slidingly connected to the top of the backflow component, a protection component is arranged at the top of the base, and the backflow component penetrates through the protection component.

Description

Sand blasting carrier belt cleaning device

Technical Field

The invention relates to the technical field of sand blasting carrier cleaning, in particular to a sand blasting carrier cleaning device.

Background

The sand blasting machine adopts compressed air as power, sand and gas are mixed to form a high-speed spray beam to spray the spray material along a conveying pipeline at a high speed, the spray material is sprayed onto the surface of a workpiece to be treated, attachments on the surface of the workpiece to be treated are peeled off and separated, or mechanical properties of the outer surface of the workpiece are changed, after the sand blasting work is completed, a carrier for carrying the product needs to be cleaned in time and used again, the existing cleaning equipment needs to carry and transfer the carrier carrying the product by a mechanical arm after the primary cleaning work is completed, the mode occupies a large range during operation, the carrying and transferring time is increased by the mechanical arm, and the cleaning efficiency of the device is reduced.

Disclosure of Invention

Aiming at the defects of the prior art, the invention aims to provide a sand blasting carrier cleaning device.

In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a sand blasting carrier belt cleaning device, includes the base, conveying assembly and backward flow subassembly are installed at the top of base, backward flow subassembly is located one side of conveying assembly, backward flow subassembly's top slides and is connected with the carrier assembly, protection subassembly is installed at the top of base, backward flow subassembly wears to locate protection subassembly's inside, protection subassembly's internally mounted has cleaning assembly, cleaning assembly is located backward flow subassembly directly over, two blocking assembly and two location platforms are installed at the top of base, with one side blocking assembly and location platform are a set of, and two sets of blocking assembly and location platform are all installed in conveying assembly's below.

The invention is further provided with: the conveying assembly comprises a first conveying belt and a second conveying belt, the first conveying belt and the second conveying belt are both arranged at the top of the base, and the two groups of blocking assemblies and the positioning platform are respectively arranged below the first conveying belt and the second conveying belt.

The invention is further provided with: the backflow assembly comprises a support, the support is mounted at the top of the base and located on one side of the conveying assembly, a sliding rail is mounted at the top of the support, the bearing assembly is slidably connected to the top of the sliding rail, a rodless cylinder is mounted in the sliding rail, and the rodless cylinder is connected with the bearing assembly.

The invention is further provided with: the bearing assembly comprises a sliding seat, the sliding seat is connected to the top of the sliding rail in a sliding manner, the bottom of the sliding seat is connected with a shell of the rodless cylinder, a synchronous belt which is consistent with the width of the first conveying belt and the width of the second conveying belt is arranged at the top of the sliding seat, a sand blasting carrier is arranged at the top of the synchronous belt, a clamp is uniformly arranged at the top of the sand blasting carrier, a buffer is arranged at the top of the sliding seat and far away from one side of the conveying assembly, a photoelectric sensor is arranged at the top of the buffer, and the photoelectric sensor and the synchronous belt are electrically connected through a wire.

The invention is further provided with: the protection component comprises a protection cover, the protection cover is installed at the top of base, the inside of protection cover is worn to locate by the slide rail, the bottom of protection cover runs through the top of base and communicates there is the collection storehouse, the bottom intercommunication of collection storehouse has row material pipe.

The invention is further provided with: the cleaning assembly comprises a first supporting frame, the first supporting frame is arranged at the top of the base and located in the protective cover, two reeds are arranged on the top wall of the interior of the protective cover, the bottoms of the two reeds are all provided with spray heads, the top of the spray heads is communicated with a connecting pipe, and one end of the connecting pipe extends to the outside of the protective cover.

The invention is further provided with: the two stop components all include and block the cylinder, two block the cylinder and all install in the top of base, and two block the cylinder and be located the below of first conveyer belt and second conveyer belt respectively, two block the piston rod of cylinder and all install and keep off the seat, it articulates there is the dog to keep off the top of seat.

The invention is further provided with: one end of the stop block is rotationally connected with the wheel body, and one end of the stop block, which is close to the wheel body, is provided with an inclined part.

The invention is further provided with: the two positioning platforms all include the second support frame, two the second support frame is all installed in the top of base, and two the second support frame is located the below of first conveyer belt and second conveyer belt respectively, with the second support frame that the first conveyer belt corresponds is located the one side that corresponds the stop cylinder and is close to the backward flow subassembly, with the second support frame that the second conveyer belt corresponds is located the one side that corresponds the stop cylinder and keep away from the backward flow subassembly, two the jacking cylinder is all installed at the top of second support frame, the piston rod of jacking cylinder is connected with the base plate, two L shape limit height boards are installed to the top symmetry of second support frame, two the top of L shape limit height board extends to the top of base plate, just there is the overlap range at the top of L shape limit height board and the top of base plate, the one end of first conveyer belt and second conveyer belt is worn to locate respectively between two base plates that correspond second support frame top.

The present invention has the advantage that,

(1) The conveying assembly and the bearing assembly are arranged, the conveying assembly is divided into the conveying line and the return line, the bearing assembly can be switched back and forth between the two lines, products on the sand blasting carrier can automatically switch lines through the bearing assembly after finishing one sand blasting operation, automatic cleaning operation can be finished in the process of switching the lines, occupied space is saved, and cleaning efficiency of the device is improved;

(2) Through setting up two location platforms and two stop the subassembly, two location platforms are location platform and pre-sandblast location platform after the sandblast respectively, and two stop the subassembly and stop the sandblast carrier on two location platforms spacing on the transfer chain respectively, under the circumstances that does not influence normal transport, realized that the product accomplishes automatic unloading operation on the cleaning line, need not to shift out the sandblast carrier and go up the unloading, improved belt cleaning device's functionality greatly.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present invention;

FIG. 2 is a schematic view of the connection structure of the reflow assembly and the carrier assembly of the present invention;

FIG. 3 is a schematic view of a protective component according to the present invention;

FIG. 4 is a cross-sectional view taken along the line A-A of FIG. 3;

FIG. 5 is an enlarged schematic view of the area B in FIG. 4;

FIG. 6 is a schematic view of a reflow assembly according to the present invention;

FIG. 7 is a schematic view of the attachment structure of the blocking assembly and positioning platform of the present invention;

FIG. 8 is a schematic view of a connection structure of a stopper and a stopper according to the present invention;

in the figure: 1. a base; 2. a transport assembly; 21. a first conveyor belt; 22. a second conveyor belt; 3. a reflow assembly; 31. a bracket; 32. a slide rail; 33. a rodless cylinder; 4. a carrier assembly; 41. a slide; 42. a synchronous belt; 43. a sand blasting carrier; 44. a clamp; 45. a buffer; 46. a photoelectric sensor; 5. a protective assembly; 51. a protective cover; 52. a collecting bin; 53. a discharge pipe; 6. cleaning the assembly; 61. a first support frame; 62. a connecting pipe; 63. a spray head; 64. a reed; 7. a blocking assembly; 71. blocking the cylinder; 72. a blocking seat; 73. a stop block; 74. a wheel body; 75. an inclined portion; 8. positioning a platform; 81. a second support frame; 82. an L-shaped height limiting plate; 83. jacking the air cylinder; 84. a substrate.

Detailed Description

It should be noted that, without conflict, the embodiments and features of the embodiments in the present application may be combined with each other. The invention will be described in detail below with reference to the drawings in connection with embodiments.

It is noted that all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs unless otherwise indicated.

In the present invention, unless otherwise indicated, the terms "upper" and "lower" are used generally with respect to the directions shown in the drawings, or with respect to the vertical, vertical or gravitational directions; also, for ease of understanding and description, "left, right" is generally directed to the left, right as shown in the drawings; "inner and outer" refer to inner and outer relative to the outline of the components themselves, but the above-described orientation terms are not intended to limit the present invention.

Examples

Referring to fig. 1-8, the present invention provides the following technical solutions:

the utility model provides a sand blasting carrier belt cleaning device, the on-line screen storage device comprises a base 1, transport subassembly 2 and backward flow subassembly 3 are installed at the top of base 1, backward flow subassembly 3 is located one side of transport subassembly 2, the top of backward flow subassembly 3 slides and is connected with carrier assembly 4, protection subassembly 5 is installed at the top of base 1, the inside of protection subassembly 5 is worn to locate by backward flow subassembly 3, protection subassembly 5 internally mounted has cleaning subassembly 6, cleaning subassembly 6 is located directly over backward flow subassembly 3, two blocking subassembly 7 and two location platforms 8 are installed at the top of base 1, with one side blocking subassembly 7 and location platform 8 be a set of, two sets of blocking subassembly 7 and location platform 8 all install in the below of transport subassembly 2, according to the figure 1, location platform 8 of base 1 top front end position is for the back location platform 8 of sandblast, be used for the product to bear the back of sandblast, the location platform 8 of base 1 top rear end position is for the product to bear the back location platform 8, the product on two location platforms 8 carries out spacing to block, be close to the outer manipulator of protection subassembly 5 in base 1, the manipulator is used for placing the product on the back of sandblast product 2 to carry out the back location subassembly 2 through the carrier assembly 2, can carry out the displacement to the carrier assembly 2 when the carrier assembly is carried out the carrier assembly 2 to the back location subassembly 2, can carry out the product displacement to the carrier assembly 2 after the back location subassembly is carried out the product 2, the product is carried out the back location 2, the product is moved to the back location platform 2 is moved to the product is moved to the position 2.

The conveying assembly 2 comprises a first conveying belt 21 and a second conveying belt 22, the first conveying belt 21 and the second conveying belt 22 are both arranged at the top of the base 1, the two groups of blocking assemblies 7 and the positioning platforms 8 are respectively arranged below the first conveying belt 21 and the second conveying belt 22, the first conveying belt 21 is used for controlling product backflow, the second conveying belt 22 is used for controlling product conveying waiting treatment, and the corresponding positioning platforms 8 and the blocking assemblies 7 can control product conveying in different states.

The reflow assembly 3 includes a support 31, the support 31 is installed at the top of base 1 and is located one side of conveying assembly 2, slide rail 32 is installed at the top of support 31, the top that is connected with slide rail 32 is slided to carrier assembly 4, the internally mounted of slide rail 32 has no pole cylinder 33, no pole cylinder 33 is connected with carrier assembly 4, support 31 is used for supporting slide rail 32, thereby to slide rail 32 and carrier assembly 4 lifting, the height of carrier assembly 4 is unanimous with the height of conveying assembly 2, no pole cylinder 33 is used for promoting carrier assembly 4 and slides on slide rail 32, thereby adjust the position of carrier assembly 4 on slide rail 32.

The bearing assembly 4 comprises a sliding seat 41, the sliding seat 41 is connected to the top of the sliding rail 32 in a sliding manner, the bottom of the sliding seat 41 is connected with a shell of the rodless cylinder 33, a synchronous belt 42 with the width identical to that of the first conveying belt 21 and the second conveying belt 22 is arranged at the top of the sliding seat 41, a sand blasting carrier 43 is arranged at the top of the sand blasting carrier 43, a clamp 44 is uniformly arranged at the top of the sliding seat 41, a buffer 45 is arranged at one side far away from the conveying assembly 2, a photoelectric sensor 46 is arranged at the top of the buffer 45, the photoelectric sensor 46 and the synchronous belt 42 are electrically connected through wires, the sand blasting carrier 43 is used for carrying products, the clamp 44 is used for clamping and fixing the products, when the bearing assembly 4 is integrally moved to the end position of the second conveying belt 22, the synchronous belt 42 starts to convey the sand blasting carrier 43 to the second conveying belt 22 for carrying the products, after the products are processed, the sand blasting carrier 43 and the products are driven to the position of the post-blasting positioning platform 8 through the first conveying belt 21, the whole bearing assembly 4 is reset to the position of the first conveying belt 21, a manipulator is used for taking the products, and after the products are completely downloaded to the first conveying belt 21, the photoelectric sensor 46 is used for blocking the sand blasting carrier 43 and the position of the synchronous belt 43 can be controlled to move to the synchronous belt 43 when the photoelectric sensor 46 is used for carrying the synchronous sensor and stopping the sand blasting carrier 43.

The protection component 5 comprises a protection cover 51, the protection cover 51 is arranged at the top of the base 1, the sliding rail 32 penetrates through the inside of the protection cover 51, the bottom of the protection cover 51 penetrates through the top of the base 1 and is communicated with a collection bin 52, the bottom of the collection bin 52 is communicated with a discharge pipe 53, the cleaning component 6 comprises a first support frame 61, the first support frame 61 is arranged at the top of the base 1 and is positioned in the inside of the protection cover 51, two reeds 64 are arranged on the inner top wall of the protection cover 51, a spray head 63 is arranged at the bottoms of the two reeds 64, a connecting pipe 62 is communicated with the top of the spray head 63, one end of the connecting pipe 62 extends to the outside of the protection cover 51, the protection cover 51 is used for bearing the cleaning component 6, the connecting pipe 62 is connected with an external air supply device, the air supply device can be a fan, air supply device sprays air through the connecting pipe 62 and the spray head 63 when the bearing component 4 drives the empty sand blasting carrier 43 to move to the inside of the protection cover 51, and is supported by the reeds 64, the spray head 63 is in an inclined state, so that air sprayed out of the spray head 63 has an inclined angle, after the air blows to the surface of the sand blasting carrier 43, the surface of the residual impurity carrier 43 is carried by the sand blasting carrier, the dust carrier 43 is completely moved along with the sand blasting impurity carrier 43, the clean carrier 43 is completely moves to the clean carrier 43, and the clean carrier is completely discharged from the inside the clean carrier 43, and the clean carrier is discharged to the clean carrier 43, and the clean carrier is discharged from the clean carrier 43 after the clean carrier is discharged to the clean carrier 43, and the clean carrier is discharged from the clean carrier 43.

The two blocking assemblies 7 comprise blocking air cylinders 71, the two blocking air cylinders 71 are arranged at the top of the base 1, the two blocking air cylinders 71 are respectively positioned below the first conveying belt 21 and the second conveying belt 22, piston rods of the two blocking air cylinders 71 are respectively provided with a blocking seat 72, the top of each blocking seat 72 is hinged with a stop block 73, when the synchronous belt 42 moves the clean sand blasting carrier 43 to the position of the pre-sand blasting positioning platform 8, the piston rods of the blocking air cylinders 71 extend out and drive the blocking seats 72 and the stop blocks 73 to move upwards, the stop blocks 73 block the sand blasting carrier 43, and a mechanical arm is convenient to feed products;

when the first conveyor belt 21 conveys the sandblasting carrier 43 to the position of the post-sandblasting positioning platform 8, the corresponding blocking cylinder 71 drives the blocking seat 72 and the blocking block 73 to block the sandblasting carrier 43, so that the product is convenient to be discharged by the mechanical arm;

one end of the stop block 73 is rotationally connected with the wheel body 74, the inclined part 75 is arranged at one end of the stop block 73 close to the wheel body 74, the distance between the stop block 73 and the top of the baffle seat 72 is smaller, when the sand blasting carrier 43 is contacted with the stop block 73, the wheel body 74 on the stop block 73 is firstly contacted with the sand blasting carrier 43, the stop block 73 swings under the influence of the thrust of the sand blasting carrier 43, along with the continuous swing of the stop block 73, one end of the stop block 73 far away from the wheel body 74 is contacted with the baffle seat 72, the stop block 73 swings to a limit state, and one side of the sand blasting carrier 43 slides to the position of the inclined part 75 from the position of the wheel body 74, and at the moment, the sand blasting carrier 43 is blocked.

The two positioning platforms 8 comprise second supporting frames 81, the two second supporting frames 81 are arranged at the top of the base 1, the two second supporting frames 81 are respectively positioned below the first conveying belt 21 and the second conveying belt 22, the second supporting frames 81 corresponding to the first conveying belt 21 are positioned at one side of the corresponding blocking air cylinder 71 close to the reflow assembly 3, the second supporting frames 81 corresponding to the second conveying belt 22 are positioned at one side of the corresponding blocking air cylinder 71 far away from the reflow assembly 3, the top parts of the two second supporting frames 81 are respectively provided with a jacking air cylinder 83, the piston rod of the jacking air cylinder 83 is connected with a base plate 84, the top parts of the second supporting frames 81 are symmetrically provided with two L-shaped height limiting plates 82, the top parts of the two L-shaped height limiting plates 82 extend to the upper part of the base plate 84, and there is the overlapping range at the top of L shape limit for height board 82 and the top of base plate 84, first conveyer belt 21 and one end of second conveyer belt 22 wear to locate respectively between two base plates 84 at corresponding second support frame 81 top, when sandblast carrier 43 moves to the top position of two location platforms 8, jacking cylinder 83 promotes base plate 84 and sandblast carrier 43 to reciprocate, sandblast carrier 43's top surface and the inner wall contact of L shape limit for height board 82, sandblast carrier 43 breaks away from and keeps static with conveying assembly 2 this moment, make things convenient for the manipulator to the unloading operation on the product, after the product is loaded and unloaded, jacking cylinder 83 drives base plate 84 and sandblast carrier 43 and moves down, make sandblast carrier 43 fall again and continue to carry on conveying assembly 2.

Specifically, firstly, the device is electrically connected with a control system, the control system controls the first conveyor belt 21 and the second conveyor belt 22 to run, a worker places the sand blasting carrier 43 at the position of the pre-sand blasting positioning platform 8, the control system controls the blocking cylinder 71 corresponding to the pre-sand blasting positioning platform 8 to start, the piston rod of the blocking cylinder 71 stretches out and drives the blocking seat 72 and the blocking block 73 to move upwards, the blocking block 73 blocks the sand blasting carrier 43, when the sand blasting carrier 43 is contacted with the blocking block 73, the wheel body 74 on the blocking block 73 is firstly contacted with the sand blasting carrier 43, the blocking block 73 is swung under the influence of the thrust of the sand blasting carrier 43, along with the continuous swing of the blocking block 73, one end of the blocking block 73 away from the wheel body 74 is contacted with the blocking seat 72, the blocking block 73 is caused to swing to a limit state, one side of the carrier 43 slides to the position of the inclined part 75 from the position of the wheel body 74, the blocking of the sand blasting carrier 43 is completed, the blocking cylinder 73 is caused to keep still in the conveying direction of the second conveyor belt 22, at the moment, the control system controls the corresponding jacking cylinder 83 to push the substrate 84 and the sand blasting carrier 43 upwards, the top surface of the sand blasting carrier 43 to move upwards, when the top surface of the sand blasting carrier 43 contacts with the inner wall 82 of the L-shaped sand blasting carrier 43, the inner wall 82 of the sand blasting carrier is contacted with the lifting carrier 82, the inner wall of the sand blasting carrier 43, the cylinder is controlled to move the cylinder to lift the blocking carrier 83 again, and the product is controlled to slide the blocking carrier 43 upwards, and the blocking the product is stopped, and the blocking cylinder is stopped by the blocking cylinder is stopped;

the second conveyor belt 22 continuously conveys the sand blasting carrier 43 and products to the sand blasting machine to process the products, after the product is processed, the sand blasting carrier 43 conveys the sand blasted products to the first conveyor belt 21 to convey back flow, the first conveyor belt 21 conveys the sand blasting carrier 43 to the position of the post-sand blasting positioning platform 8, the control system controls the corresponding blocking cylinder 71 to drive the blocking seat 72 and the blocking block 73 to block the sand blasting carrier 43, the sand blasting carrier 43 keeps static in the conveying direction of the first conveyor belt 21, at the moment, the control system controls the corresponding jacking cylinder 83 to push the substrate 84 and the sand blasting carrier 43 to move upwards, the sand blasting carrier 43 is separated from the first conveyor belt 21 and kept static, the mechanical arm performs product blanking operation, after the product blanking is completed, the jacking cylinder 83 drives the substrate 84 and the sand blasting carrier 43 to move downwards, so that the sand blasting carrier 43 falls onto the first conveyor belt 21 again, and the control system controls the piston rod of the blocking cylinder 71 to shrink again, thereby eliminating the blocking of the sand blasting carrier 43;

the first conveyor belt 21 continues to convey, the sandblasting carrier 43 is gradually separated from the first conveyor belt 21, at this time, the synchronous belt 42 gradually obtains the bearing of the sandblasting carrier 43, the buffer 45 blocks the sandblasting carrier 43 along with the gradual movement of the sandblasting carrier 43 onto the synchronous belt 42, the photoelectric sensor 46 is used for sensing the position of the sandblasting carrier 43, and if the sandblasting carrier 43 moves in place on the synchronous belt 42, the photoelectric sensor 46 can control the synchronous belt 42 to stop moving;

the control system controls the rodless cylinder 33 to start, and the rodless cylinder 33 pushes the bearing assembly 4 to slide on the sliding rail 32, so that the position of the bearing assembly 4 on the sliding rail 32 is adjusted;

when the carrying component 4 drives the empty sandblast carrier 43 to move into the protective cover 51, the air supply device sprays air through the connecting pipe 62 and the spray head 63, and is supported by the reed 64, the spray head 63 is in an inclined state as a whole, so that the air sprayed by the spray head 63 has an inclined angle, after the air blows to the surface of the empty sandblast carrier 43, the residual impurities on the surface of the sandblast carrier 43 are blown out, the air completely cleans the surface of the sandblast carrier 43 along with the continuous displacement of the sandblast carrier 43, the impurities drop into the collecting bin 52 and are discharged and collected through the discharging pipe 53, when the matched sandblast carrier 43 is removed from the protective cover 51, the cleaning is completed, and the clean sandblast carrier 43 moves to the position of the second conveying belt 22 for reuse.

It will be apparent that the embodiments described above are merely some, but not all, embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present invention without making any inventive effort, shall fall within the scope of the present invention.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments in accordance with the present application. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.

It should be noted that the terms "first," "second," and the like in the description and claims of the present application and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that embodiments of the present application described herein may be implemented in sequences other than those illustrated or described herein.

The above description is only of the preferred embodiments of the present invention and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (9)

1. The utility model provides a sandblast carrier belt cleaning device, includes base (1), its characterized in that: the utility model discloses a conveying device for a plastic material, including base (1), conveying component (2) and backward flow subassembly (3) are installed at the top of base (1), backward flow subassembly (3) are located one side of conveying component (2), backward flow subassembly (3)'s top slides and is connected with carrier assembly (4), protection component (5) are installed at the top of base (1), backward flow subassembly (3) wear to locate the inside of protection component (5), the internally mounted of protection component (5) has cleaning subassembly (6), cleaning subassembly (6) are located backward flow subassembly (3) directly over, two blocking component (7) and two location platform (8) are installed at the top of base (1), and blocking component (7) and location platform (8) of same side are a set of, and two sets of blocking component (7) and location platform (8) are all installed in the below of conveying component (2).

2. A blast vehicle cleaning apparatus according to claim 1, wherein: the conveying assembly (2) comprises a first conveying belt (21) and a second conveying belt (22), the first conveying belt (21) and the second conveying belt (22) are both arranged at the top of the base (1), and the two groups of blocking assemblies (7) and the positioning platform (8) are respectively arranged below the first conveying belt (21) and the second conveying belt (22).

3. A blast vehicle cleaning apparatus according to claim 2, wherein: the backflow assembly (3) comprises a support (31), the support (31) is arranged at the top of the base (1) and located on one side of the conveying assembly (2), a sliding rail (32) is arranged at the top of the support (31), the bearing assembly (4) is slidably connected to the top of the sliding rail (32), a rodless cylinder (33) is arranged in the sliding rail (32), and the rodless cylinder (33) is connected with the bearing assembly (4).

4. A blast vehicle cleaning apparatus according to claim 3, wherein: the bearing assembly (4) comprises a sliding seat (41), the sliding seat (41) is connected to the top of the sliding rail (32) in a sliding mode, the bottom of the sliding seat (41) is connected with a shell of the rodless cylinder (33), a synchronous belt (42) with the width identical to that of the first conveying belt (21) and that of the second conveying belt (22) is arranged at the top of the sliding seat (41), a sand blasting carrier (43) is arranged at the top of the synchronous belt (42), clamps (44) are uniformly arranged at the top of the sand blasting carrier (43), a buffer (45) is arranged at the top of the sliding seat (41) and far away from one side of the conveying assembly (2), a photoelectric sensor (46) is arranged at the top of the buffer (45), and the photoelectric sensor (46) and the synchronous belt (42) are electrically connected through wires.

5. A blast vehicle cleaning apparatus according to claim 3, wherein: the protection component (5) comprises a protection cover (51), the protection cover (51) is installed at the top of the base (1), the sliding rail (32) is arranged in the protection cover (51) in a penetrating mode, the bottom of the protection cover (51) penetrates through the top of the base (1) and is communicated with a collection bin (52), and a discharge pipe (53) is communicated with the bottom of the collection bin (52).

6. The blast vehicle cleaning apparatus of claim 5, wherein: the cleaning assembly (6) comprises a first supporting frame (61), the first supporting frame (61) is installed at the top of the base (1) and located in the protective cover (51), two reeds (64) are installed on the inner top wall of the protective cover (51), spray heads (63) are installed at the bottoms of the two reeds (64), connecting pipes (62) are communicated with the top of the spray heads (63), and one ends of the connecting pipes (62) extend to the outer portion of the protective cover (51).

7. A blast vehicle cleaning apparatus according to claim 2, wherein: the two stop assemblies (7) comprise stop cylinders (71), the two stop cylinders (71) are mounted at the top of the base (1), the two stop cylinders (71) are respectively located below the first conveying belt (21) and the second conveying belt (22), the piston rods of the two stop cylinders (71) are respectively provided with a stop seat (72), and the tops of the stop seats (72) are hinged with stop blocks (73).

8. The blast vehicle cleaning apparatus of claim 7, wherein: one end of the stop block (73) is rotatably connected with a wheel body (74), and one end of the stop block (73) close to the wheel body (74) is provided with an inclined part (75).

9. The blast vehicle cleaning apparatus of claim 7, wherein: the two positioning platforms (8) all include second support frame (81), two second support frame (81) are all installed in the top of base (1), and two second support frame (81) are located the below of first conveyer belt (21) and second conveyer belt (22) respectively, with second support frame (81) that first conveyer belt (21) corresponds are located and correspond one side that blocks cylinder (71) and be close to reflux subassembly (3), with second support frame (81) that second conveyer belt (22) corresponds are located and correspond one side that blocks cylinder (71) and keep away from reflux subassembly (3), two jacking cylinder (83) are all installed at the top of second support frame (81), the piston rod of jacking cylinder (83) is connected with base plate (84), two L shape limit for height board (82) are installed to the top symmetry of second support frame (81), two L shape limit for height board (82) extend to the top of base plate (84), just L shape limit for height board (82) and two top that correspond between the top of conveyer belt (84) and the second support frame (84) of two top limits of base plate (84) and the top of locating between the first support frame (84) of two top of base plate (84) respectively.

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