CN214771403U

CN214771403U - Sand blasting device and sand blasting system

Info

Publication number: CN214771403U
Application number: CN202120192729.9U
Authority: CN
Inventors: 杜盛; 全承来; 刘中杰; 黄裕文
Original assignee: Futaihua Industry Shenzhen Co Ltd
Current assignee: Futaihua Industry Shenzhen Co Ltd
Priority date: 2021-01-23
Filing date: 2021-01-23
Publication date: 2021-11-19
Anticipated expiration: 2031-01-23

Abstract

A sand blasting device and a sand blasting system are used for driving a product to enter a sand blasting area and enabling the product to rotate, and comprise a traction mechanism and a bearing mechanism, wherein the traction mechanism comprises a conveyor belt; a guide rail disposed along a conveying path of the conveyor belt; the bearing mechanism comprises a bearing seat which is used for contacting the conveyor belt and moving under the driving of the conveyor belt; the roller piece is rotatably connected to the bearing seat and is connected to the guide rail in a rolling manner; the supporting piece is rotatably connected to the bearing seat and used for fixing the product; the transmission part is in transmission connection between the roller part and the supporting part, and when the bearing seat moves, the roller part rolls on the guide rail and drives the supporting part and the product to rotate through the transmission part. Above-mentioned sand blasting unit and sand blasting system have solved the heterochrosis problem of the inhomogeneous production of sand blasting color among the current sand blasting unit.

Description

Sand blasting device and sand blasting system

Technical Field

The utility model relates to a sandblast technical field especially relates to a sand blasting unit and sand blasting system.

Background

When the conventional sand blasting device is used for carrying out sand blasting treatment on a product, the product is in a fixed state in the whole process, and the treatment of the whole processing surface of the product can be completed only by adjusting the position of the product for many times. Therefore, the problem of uneven color, i.e., generation of different colors, occurs at the interface of different sandblasted surfaces of the product.

SUMMERY OF THE UTILITY MODEL

Accordingly, there is a need to provide a sand blasting apparatus and a sand blasting system, so as to make the sand blasting color of the product uniform.

The embodiment of the application provides a sand blasting device, which is used for driving a product to enter a sand blasting area and enabling the product to rotate and comprises a traction mechanism and a bearing mechanism, wherein the traction mechanism comprises a conveyor belt; a guide rail disposed along a conveying path of the conveyor belt; the bearing mechanism comprises a bearing seat which is used for contacting the conveyor belt and moving under the driving of the conveyor belt; the roller piece is rotatably connected to the bearing seat and is connected to the guide rail in a rolling manner; the supporting piece is rotatably connected to the bearing seat and used for fixing the product; the transmission part is in transmission connection between the roller part and the supporting part, and when the bearing seat moves, the roller part rolls on the guide rail and drives the supporting part and the product to rotate through the transmission part.

Further, in some embodiments of the present application, the roller member includes a roller and a driving wheel connected to the roller, the roller is disposed on the bearing seat along a first direction, and the driving wheel is connected to the guide rail in a rolling manner.

Further, in some embodiments of the present application, the supporting element includes a transmission shaft, a supporting frame and a supporting block, the transmission shaft is disposed on the bearing seat along a second direction, the second direction is disposed to intersect with the first direction, the supporting frame is connected to the transmission shaft, and the supporting block is connected to the periphery of the supporting frame for supporting and fixing the product.

Further, in some embodiments of the present application, the transmission member includes a first bevel wheel, a second bevel wheel, a first gear and a second gear, the first bevel wheel is fixed to the roller, the second bevel wheel and the first gear are disposed on the bearing seat and rotate synchronously, the second gear is fixed to the transmission shaft, the first bevel wheel is engaged with the second bevel wheel, and the first gear is engaged with the second gear.

Further, in some embodiments of the present application, the gear ratio of the second gear to the first gear is a:1, where a > 1.

Further, in some embodiments of the present application, the transmission member includes a first umbrella wheel fixed to the roller and a second umbrella wheel fixed to the transmission shaft, the first umbrella wheel being engaged with the second umbrella wheel.

Further, in some embodiments of the present application, the supporting block includes a base, a guiding shaft, an ejector block, an elastic member, and a pull rod, the guiding shaft passes through the base, one end of the guiding shaft is connected to the ejector block, the other end of the guiding shaft is connected to the pull rod, and the elastic member is sleeved on the guiding shaft and abuts against between the ejector block and the base.

Further, in some embodiments of the present application, the carrier includes a friction block that contacts the conveyor belt, and the friction between the carrier and the conveyor belt is adjusted by adjusting the weight of the friction block and the roughness of the surface that contacts the conveyor belt.

An embodiment of the application provides a sand blasting system, including foretell sand blasting unit and installation device, installation device be used for with the product install in support piece is last, installation device includes profile modeling seat and pressfitting piece, profile modeling seat adaptation in the product shape, profile modeling seat is equipped with the mounting groove, pressfitting piece set up in the mounting groove, support piece passes through the pressfitting piece is fixed in the mounting groove, profile modeling seat is used for cup jointing the product in order to incite somebody to action the product cup joint in support piece is last.

Further, in some embodiments of the present application, the supporting member includes a stretchable supporting block, and the mounting device further includes a driving rod, which is configured to abut against the supporting block and drive the supporting block to contract when the product is sleeved.

Among the above-mentioned sand blasting unit and sand blasting system, install the product on support piece through installation device, the conveyer belt drives and bears the weight of the seat and get into the sandblast region, and gyro wheel spare rolls on the guide rail and drives support piece and product through the driving medium and rotate to make the product rotation when the sandblast, and then make the sandblast colour even, solved the heterochrosis problem of the inhomogeneous production of sandblast colour among the current sand blasting unit. And compare with current sand blasting unit, need not the sandblast position of adjustment product many times, improved sandblast efficiency.

Drawings

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

Fig. 2 is a schematic structural diagram of a carrying mechanism in a sand blasting apparatus according to an embodiment of the present application.

Fig. 3 is a schematic structural diagram of a support block in the sand blasting device according to an embodiment of the present application.

Fig. 4 is a schematic structural diagram of a blasting system according to an embodiment of the present application.

Description of the main elements

Blasting apparatus 100

Traction mechanism 10

Conveyor belt 11

Guide rail 12

Support means 20

Bearing seat 30

Body 301

Friction block 31

Supporting plate 32

Rotating groove 321

Protective cover 33

Roller member 40

Roller 41

Transmission wheel 42

Support 50

Drive shaft 51

Handle 511

Support frame 52

Supporting block 53

Base 531

Guide shaft 532

Top block 533

Elastic member 534

Pull rod 535

Counterweight block 54

Transmission member 60

First umbrella wheel 61

Second umbrella wheel 62

First gear 63

Second gear 64

Mounting device 70

Profiling seat 71

Mounting groove 711

Pressing part 72

Drive rod 73

Product 90

Sand blasting system 200

The following detailed description will further illustrate the present application in conjunction with the above-described figures.

Detailed Description

The technical solutions in the embodiments of the present application will be described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments.

It will be understood that when an element is referred to as being "mounted on" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present.

Unless defined otherwise, 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. The terminology used herein in the description of the present application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used herein, the term "or/and" includes any and all combinations of one or more of the associated listed items.

Some embodiments of the present application will be described in detail below with reference to the accompanying drawings.

Referring to fig. 1, fig. 1 is a schematic structural diagram of a sand blasting apparatus in an embodiment of the present application. The sand blasting device 100 of the embodiment includes a drawing mechanism 10 and a carrying mechanism 20, the drawing mechanism 10 is used for driving the carrying mechanism 20 to enter a sand blasting area, and the carrying mechanism 20 is used for fixing the product 90 and driving the product 90 to rotate, so that the sand blasting color of the product 90 in the sand blasting area is uniform.

The traction mechanism 10 includes a conveyor belt 11 and a guide rail 12, and the guide rail 12 is disposed along a conveying path of the conveyor belt 11. The conveyor belt 11 is used for driving the carrying mechanism 20 into the sand blasting area, and the guide rail 12 is connected to the carrying mechanism 20 and drives the product 90 to rotate through the carrying mechanism 20. In some embodiments, the traction mechanism 10 includes two guide rails 12, and the two guide rails 12 are disposed on two sides of the conveyor belt 11 along the conveying path of the conveyor belt 11 to improve the stability of the connection between the guide rails 12 and the carrying mechanism 20.

Referring to fig. 2, fig. 2 is a schematic structural diagram of a carrying mechanism in a sand blasting apparatus according to an embodiment of the present application. The carrying mechanism 20 of the embodiment includes a carrying seat 30, a roller member 40, a supporting member 50 and a transmission member 60, wherein the carrying seat 30 is used for contacting the conveyor belt 11 and moving under the driving of the conveyor belt 11. The roller member 40 is rotatably coupled to the carriage 30 and is rotatably coupled to the guide rail 12. The supporting member 50 is rotatably connected to the carrier base 30 for fixing the product 90. The transmission member 60 is connected between the roller member 40 and the supporting member 50 in a transmission manner, and when the carriage 30 moves, the roller member 40 rolls on the guide rail 12 and drives the supporting member 50 and the product 90 to rotate through the transmission member 60.

In the sand blasting apparatus 100, the conveyor belt 11 drives the bearing seat 30 to enter the sand blasting area, the roller member 40 rolls on the guide rail 12 and drives the supporting member 50 and the product 90 to rotate through the transmission member 60, so that the product 90 rotates during sand blasting, the sand blasting color is uniform, and the problem of color difference caused by nonuniform sand blasting color in the existing sand blasting apparatus is solved. And compare with current sand blasting unit, need not the sandblast position of adjustment product many times, improved sandblast efficiency.

Some embodiments of the present application will now be described with continued reference to the accompanying drawings.

Referring to fig. 2, the roller member 40 of the present embodiment includes a roller 41 and a driving wheel 42 connected to the roller 41, the roller 41 is disposed on the bearing seat 30 along a first direction, and the driving wheel 42 is connected to the guide rail 12 in a rolling manner. In some embodiments, the roller member 40 includes two driving wheels 42, and the two driving wheels 42 are respectively connected to two ends of the roller 41 and are respectively connected to the guide rail 12 in a rolling manner, so as to improve the stability of the connection between the roller member 40 and the guide rail 12. In some embodiments, each guide rail 12 has a triangular cross section perpendicular to the direction of the conveying path, and the driving wheel 42 is provided with a V-shaped groove along the circumferential direction. The driving wheel 42 is clamped on the guide rail 12 through a V-shaped groove, so that the contact area of the driving wheel 42 and the guide rail 12 during rolling is increased, and the stability during operation is improved.

The supporting member 50 includes a transmission shaft 51, a supporting bracket 52 and a supporting block 53. The transmission shaft 51 is disposed on the bearing seat 30 along the second direction. The support frame 52 is connected to the transmission shaft 51 to rotate under the driving of the transmission shaft 51. The supporting blocks 53 are connected to the periphery of the supporting frame 52 for supporting and fixing the product 90, so that the product 90 is driven by the supporting frame 52 to rotate. Specifically, the supporting block 53 is used to abut against the inner wall of the product 90, and the product 90 is fixed to the supporting frame 52 by means of inner support. Moreover, the supporting block 53 fixes the product 90 in an internal supporting manner, so that the product is not limited to the shape of the inner wall of the product 90, and can be effectively fixed in a cylindrical or square shape or other shapes, thereby improving the universality of the sand blasting device 100. In some embodiments, the supporting frame 52 is a rectangular frame structure formed by enclosing four frames, the transmission shaft 51 penetrates through two of the frames which are oppositely arranged, and the supporting block 53 is connected to the other two frames which are oppositely arranged.

The second direction is intersected with the first direction, so that the roller 41 and the transmission shaft 51 are reasonably arranged on the bearing seat 30 along different directions, and the mutual interference between the driving wheel 42 and the products on the support frame 52 during operation is avoided. In some embodiments, the second direction is disposed perpendicular to the first direction.

In some embodiments, the transmission member 60 includes a first bevel wheel 61, a second bevel wheel 62, a first gear 63 and a second gear 64, the first bevel wheel 61 is fixed to the roller 41, the second bevel wheel 62 and the first gear 63 are disposed on the carrying seat 30 and rotate synchronously, and the second gear 64 is fixed to the transmission shaft 51. The first bevel wheel 61 meshes with the second bevel wheel 62, and the first gear 63 meshes with the second gear 64.

During the operation of the transmission member 60, the conveyor belt 11 drives the carrying seat 30 to enter the sand blasting area, the driving wheel 42 rolls on the guide rail 12 and drives the first bevel wheel 61 to rotate through the roller 41, the first bevel wheel 61 drives the second bevel wheel 62 and the first gear 63 to rotate, the first gear 63 drives the second gear 64 to rotate, and the second gear 64 drives the supporting frame 52 and the supporting block 53 to rotate through the transmission shaft 51, so as to drive the product 90 to rotate.

The first umbrella wheel 61 is meshed with the second umbrella wheel 62, so that the rolling shaft 41 and the transmission shaft 51 in different directions are in transmission connection. The carrier 30 is driven by the conveyor belt 11 to move at a constant speed, so that the driving wheel 42 rotates at a constant speed and drives the product 90 to rotate at a constant speed, and the sand blasting color of the product 90 is uniform when the product is subjected to sand blasting. By setting the gear ratio of the first gear 63 and the second gear 64, the rotation speed ratio between the roller 41 and the transmission shaft 51 is controlled, thereby controlling the rotation speed of the product.

In some embodiments, the first and

second bevel wheels

61, 62 have a 1:1 gear ratio. The gear ratio of the second gear 64 to the first gear 63 is A:1, where A > 1. So that the rotating speed of the transmission shaft 51 is greater than that of the roller 41, and the number of rotating turns of the product 90 during sand blasting is increased under the condition of a certain rolling distance, so that the sand blasting color is uniform, the problem of different colors caused by nonuniform sand blasting color in the existing sand blasting device is solved, and the sand blasting efficiency is improved. A may be 1.5, 2, 2.5, 3, 3.5, 4, 4.5, 5, etc., and in some embodiments, a is 2, so that the transmission shaft 51 drives the product 90 to rotate twice under the condition that the transmission wheel 42 drives the roller 41 to rotate once.

It is understood that in other embodiments, the rotation speed ratio between the roller 41 and the transmission shaft 51 is controlled by changing the transmission ratio of the first umbrella wheel 61 and the second umbrella wheel 62, so as to control the rotation speed of the product.

It is understood that in other embodiments, the transmission member 60 includes a first umbrella wheel 61 and a second umbrella wheel 62, the first umbrella wheel 61 is fixed to the roller 41, the second umbrella wheel 62 is fixed to the transmission shaft 51, and the first umbrella wheel 61 is engaged with the second umbrella wheel 62. During the operation of the transmission member 60, the conveyor belt 11 drives the bearing seat 30 to enter the sand blasting area, the driving wheel 42 rolls on the guide rail 12 and drives the first umbrella wheel 61 to rotate through the roller 41, the first umbrella wheel 61 drives the second umbrella wheel 62 to rotate, and the second umbrella wheel 62 drives the supporting frame 52 and the supporting block 53 to rotate through the transmission shaft 51, so as to drive the product 90 to rotate.

In the sand blasting apparatus 100, the second direction intersects with the first direction, so that the roller 41 and the transmission shaft 51 are disposed on the carrying base 30 along different directions, and the interference between the driving wheel 42 and the products on the supporting frame 52 during operation is avoided. The first umbrella wheel 61 is meshed with the second umbrella wheel 62, so that the rolling shaft 41 and the transmission shaft 51 in different directions are in transmission connection. The carrier 30 is driven by the conveyor belt 11 to move at a constant speed, so that the driving wheel 42 rotates at a constant speed and drives the product 90 to rotate at a constant speed, and the sand blasting color of the product 90 is uniform when the product is subjected to sand blasting. By setting the gear ratio of the first gear 63 and the second gear 64, the rotation speed ratio between the roller 41 and the transmission shaft 51 is controlled, thereby controlling the rotation speed of the product.

Referring to fig. 2, the carrier 30 includes a body 301 and a friction block 31 fixedly connected to the body 301, the body 301 is in contact with the conveyor belt 11 through the friction block 31, and the friction force between the carrier 30 and the conveyor belt 11 is adjusted by adjusting the weight of the friction block 31 and the roughness of the surface in contact with the conveyor belt 11, so that the carrier 30 and the conveyor belt 11 are kept stationary relative to each other, and the conveyor belt 11 drives the carrier 30 to move. In some embodiments, friction block 31 is made of a high-gravity rubber material.

When the driving wheel 42 rolls relative to the guide rail 12, a dynamic friction force is generated between the driving wheel 42 and the guide rail 12, and when the friction coefficient is not changed, the magnitude of the dynamic friction force between the driving wheel 42 and the guide rail 12 is adjusted by adjusting the pressure of the driving wheel 42 on the guide rail 12, so that the driving wheel 42 rolls to drive the product 90 to rotate.

The carrier 30 further includes two supporting plates 32 oppositely disposed on the body 301, each supporting plate 32 is provided with a rotating slot 321, and the transmission shaft 51 is detachably mounted in the rotating slot 321. On one hand, the transmission shaft 51 is rotatably mounted on the bearing seat 30, and on the other hand, the transmission shaft 51 is conveniently taken out from the rotating groove 321, so that the product 90 is conveniently mounted or dismounted. In some embodiments, the transmission shaft 51 is mounted to the bearing seat 30 through a bearing to improve the stability of the rotation of the transmission shaft 51. In some embodiments, the driving shaft 51 is provided with handles 511 at both ends thereof to facilitate the removal and placement of the driving shaft 51 from the rotating groove 321.

The carrier 30 further includes a protective cover 33 (see fig. 1), and the protective cover 33 is used to cover the transmission member 60 to prevent the transmission member 60 from being affected during sandblasting.

In some embodiments, the supporting member 50 further includes a weight 54, and the weight 54 is detachably mounted on the supporting frame 52 for adjusting the center of gravity of the supporting frame 52, so that the supporting frame 52 is balanced in force to stabilize the rotation.

In the sand blasting apparatus 100, the carrier 30 and the conveyor belt 11 are kept relatively stationary by the friction block 31, and the conveyor belt 11 moves the carrier 30. The driving shaft 51 is detachably mounted in the rotating groove 321, so that the driving shaft 51 can be conveniently taken out of and placed in the rotating groove 321, and the product 90 can be conveniently mounted or dismounted. The support frame 52 is balanced by the weight 54.

Referring to fig. 3, fig. 3 is a schematic structural diagram of a supporting block in a sand blasting device according to an embodiment of the present application. The supporting block 53 of this embodiment includes a base 531, a guiding shaft 532, a top block 533, an elastic member 534 and a pulling rod 535, the guiding shaft 532 passes through the base 531, one end of the guiding shaft 532 is connected to the top block 533, the other end is connected to the pulling rod 535, and the elastic member 534 is sleeved on the guiding shaft 532 and abutted between the top block 533 and the base 531.

In the operation process of the supporting block 53, the pulling rod 535 is pulled to make the top block 533 drive the elastic member 534 to contract, and at this time, the abutting range of the top block 533 on the supporting frame 52 contracts, so as to sleeve the product 90 on the supporting frame 52. After the product 90 is sleeved on the supporting frame 52, the elastic member 534 drives the top block 533 to reset by loosening the pull rod 535, so that the top block 533 is abutted against the inner wall of the product 90, and the product 90 is fixed in an inner supporting manner. In some embodiments, the top block 533 is made of a high-gravity rubber material to avoid scratching the product 90.

Referring to fig. 4, fig. 4 is a schematic structural diagram of a sand blasting system according to an embodiment of the present application. The blasting system 200 of the present embodiment includes a blasting device 100 and a mounting device 70, and the mounting device 70 is used for mounting the product 90 on the support 50. Specifically, the installation device 70 includes a profiling seat 71 and a pressing member 72, the profiling seat 71 is adapted to the shape of the product 90, the profiling seat 71 is provided with an installation groove 711, the pressing member 72 is disposed in the installation groove 711, the supporting member 50 is fixed in the installation groove 711 through the pressing member 72, and the profiling seat 71 is used for sleeving the product 90 to sleeve the product 90 on the supporting member 50.

In some embodiments, the pressing member 72 is rotatably disposed in the side wall of the mounting groove 711, and when the mounting device 70 fixes the supporting member 50, the pressing member 72 is screwed out from the side wall of the mounting groove 711 to abut against the supporting member 50 in the mounting groove 711. When the supporting member 50 and the product 90 need to be taken out after the installation device 70 sleeves the product 90 on the supporting member 50, the pressing member 72 is screwed into the side wall of the installation groove 711, so as to take out the supporting member 50 in the installation groove 711. In some embodiments, the pressing member 72 is rotatably disposed in the sidewall of the mounting groove 711 by a rotary cylinder.

The supporting member 50 includes a stretchable supporting block 53, and the mounting device 70 further includes a driving rod 73, wherein the driving rod 73 is used for abutting against the supporting block 53 and driving the supporting block 53 to contract when the product 90 is sleeved on the supporting member 50, so as to sleeve the product 90 on the supporting member 50. In some embodiments, the drive rod 73 abuts against the pull rod 535. In some embodiments, the drive rod 73 drives the support block 53 to retract by driving the cylinder.

In the sand blasting system 200, the installation efficiency of the product 90 is improved by installing the product 90 on the support 50 through the installation device 70. Drive product 90 through sand blasting unit 100 and get into the sandblast region and drive product 90 rotation to make product 90 sandblast colour even in the sandblast region, solved the heterochrosis problem of the inhomogeneous production of sandblast colour among the current sand blasting unit and improved sandblast efficiency.

It should be understood by those skilled in the art that the above embodiments are only for illustrating the present application and are not to be taken as limiting the present application, and that suitable changes and modifications to the above embodiments are within the scope of the present disclosure as long as they are within the spirit and scope of the present application.

Claims

1. The utility model provides a sand blasting unit for drive the product and get into the sandblast region and make the product rotate, its characterized in that: the method comprises the following steps:

a traction mechanism, comprising:

a conveyor belt;

a guide rail disposed along a conveying path of the conveyor belt; bearing mechanism includes:

the bearing seat is in contact with the conveyor belt and moves under the driving of the conveyor belt;

the roller piece is rotatably connected to the bearing seat and is connected to the guide rail in a rolling manner;

the supporting piece is rotatably connected to the bearing seat and used for fixing the product;

the transmission part is in transmission connection between the roller part and the supporting part, and when the bearing seat moves, the roller part rolls on the guide rail and drives the supporting part and the product to rotate through the transmission part.

2. The blasting apparatus of claim 1, wherein: the roller piece comprises a roller and a driving wheel connected to the roller, the roller is arranged on the bearing seat along a first direction, and the driving wheel is connected to the guide rail in a rolling mode.

3. The blasting apparatus of claim 2, wherein: the supporting piece comprises a transmission shaft, a supporting frame and supporting blocks, the transmission shaft is arranged on the bearing seat along a second direction, the second direction and the first direction are intersected, the supporting frame is connected to the transmission shaft, and the supporting blocks are connected to the periphery of the supporting frame and used for supporting and fixing the product.

4. The blasting apparatus of claim 3, wherein: the transmission part comprises a first bevel wheel, a second bevel wheel, a first gear and a second gear, the first bevel wheel is fixed on the roller, the second bevel wheel and the first gear are arranged on the bearing seat and rotate synchronously, the second gear is fixed on the transmission shaft, the first bevel wheel is meshed with the second bevel wheel, and the first gear is meshed with the second gear.

5. The blasting apparatus of claim 4, wherein: the transmission ratio of the second gear to the first gear is A:1, wherein A is more than 1.

6. The blasting apparatus of claim 3, wherein: the transmission part comprises a first umbrella wheel and a second umbrella wheel, the first umbrella wheel is fixed on the roller, the second umbrella wheel is fixed on the transmission shaft, and the first umbrella wheel is meshed with the second umbrella wheel.

7. The blasting apparatus of claim 3, wherein: the supporting block comprises a base, a guide shaft, an ejector block, an elastic piece and a pull rod, the guide shaft penetrates through the base, one end of the guide shaft is connected with the ejector block, the other end of the guide shaft is connected with the pull rod, and the elastic piece is sleeved on the guide shaft and abutted between the ejector block and the base.

8. The blasting apparatus of claim 1, wherein: the bearing seat comprises a friction block, the friction block is in contact with the conveying belt, and the friction force between the bearing seat and the conveying belt is adjusted by adjusting the weight of the friction block and the roughness of the surface in contact with the conveying belt.

9. A blasting system, characterized by: the sand blasting device comprises the sand blasting device as claimed in any one of claims 1 to 8, and a mounting device, wherein the mounting device is used for mounting the product on the supporting member, the mounting device comprises a profiling seat and a pressing part, the profiling seat is adapted to the shape of the product, the profiling seat is provided with a mounting groove, the pressing part is arranged in the mounting groove, the supporting member is fixed in the mounting groove through the pressing part, and the profiling seat is used for sleeving the product so as to sleeve the product on the supporting member.

10. The blasting system of claim 9, wherein: the supporting piece comprises a stretchable supporting block, the mounting device further comprises a driving rod, and the driving rod is used for abutting against the supporting block and driving the supporting block to contract when the product is sleeved.