A shot blasting device for facade transverse treatment

Abstract

The application discloses a shot blasting device for facade transverse processing, which comprises a shot blasting mechanism, a separation mechanism and a material returning mechanism for returning the shot material blasted by the shot blasting mechanism to the separation mechanism, wherein the material returning mechanism comprises a straight section, an arc-shaped lifting section and an arc-shaped turning section, the straight section, the arc-shaped lifting section and the arc-shaped turning section are sequentially communicated, the arc-shaped lifting section and the arc-shaped turning section are communicated in different planes and the conveying direction of the abrasive is converted through the arc-shaped turning section. The arc-shaped lifting section and the arc-shaped turning section for changing the turning direction of the abrasive are arranged, so that the shot blasting machine can continuously process in the transverse direction on the facade, the processing efficiency of the facade with a small height is improved, the dead angle in processing is reduced, and the labor intensity is reduced.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of surface shot blasting, in particular to a kind of vertical surface transverse processing shot blasting device. BACKGROUND

[0002] Surface shot blasting process is to use high-speed shot to impact the surface to be processed, for removing surface material, such as rust, sizing, paint, etc., mainly for the processing of super large surface. Now the shot blasting machine is mainly divided into two kinds from the processing surface: one is plane processing, and the other is vertical surface processing.

[0003] In the surface treatment of some large cylinder structure, such as large storage tank, ship, building vertical wall, etc., multiple convex edges for supporting the tank body are installed on the large storage tank, and the distance between adjacent convex edges is small. The existing shot blasting machine for processing vertical surface has a separation mechanism above the shot blasting mechanism, and an arc-shaped material return bin is provided to collect the abrasive of the shot blasting mechanism, so that the vertical surface can only be processed from bottom to top, which results in the following problems: 1. The labor intensity of workers is large due to multiple movements of the shot blasting machine; 2. There are many dead angles on the surface after shot blasting; 3. The work efficiency is low. Therefore, a shot blasting machine suitable for vertical surface with limited height and long width is needed. SUMMARY

[0004] The purpose of the present application is to provide a kind of vertical surface transverse processing shot blasting device which is convenient to use and continuous.

[0005] The purpose of the present application is achieved by the following technical solutions:

[0006] A kind of vertical surface transverse processing shot blasting device, comprising a shot blasting mechanism, a separation mechanism, and a material return mechanism for conveying the shot blasted by the shot blasting mechanism to the separation mechanism, the material return mechanism comprises a straight section, an arc-shaped lifting section and an arc-shaped turning section, the straight section, the arc-shaped lifting section and the arc-shaped turning section are sequentially communicated, the arc-shaped lifting section and the arc-shaped turning section are communicated by turning in different planes, and the conveying direction of the abrasive is converted through the arc-shaped turning section.

[0007] The arc-shaped lifting section comprises an inlet end A, an outlet end A and a guide portion connecting the inlet end A and the outlet end A, the arc-shaped turning section comprises an inlet end B, an outlet end B and a turning portion connecting the inlet end B and the outlet end B and used for changing the feeding direction, the turning portion is connected with the outlet end A of the arc-shaped lifting section by the inlet end B in different planes, so that the feeding direction of the turning portion and the feeding direction of the arc-shaped lifting section form an included angle.

[0008] The cross section of the guide portion gradually decreases along the feeding direction.

[0009] The inner wall of the straight section and the arc-shaped lifting section is smoothly connected.

[0010] The shot blasting mechanism comprises a striking bin, a shot blasting wheel and a motor, the shot blasting wheel is rotatably installed in the striking bin through a rotating shaft, one end of the rotating shaft penetrates through the striking bin and is connected with a transmission wheel, and a motor for driving the transmission wheel to rotate is further installed on the outer wall of the striking bin.

[0011] The striking bin is connected with the straight section in a V shape, and a machining port for transverse machining is arranged at the connection between the striking bin and the straight section.

[0012] A brush matched with the contour of the machining port is arranged on the outer side of the machining port, and a magnet is further arranged between the brush and the machining port, the magnet is in a C shape, and the opening direction of the C-shaped magnet faces the forward direction of the shot blasting unit.

[0013] The separating mechanism is arranged on the side of the material returning mechanism close to the shot blasting mechanism, and comprises a separating hopper, a screen, a flow guide bin and a material retaining plate, the separating hopper is provided with a feeding port, the separating hopper is divided into an upper hopper body and a lower hopper body by the screen, the upper hopper body is provided with the flow guide bin communicated with the discharge end B, the vertical material retaining plate is arranged in the upper hopper body on the side of the flow guide bin, the adjusting baffle for adjusting the opening size is hingedly arranged on the side wall of the flow guide bin close to the material retaining plate, the adjusting baffle controls the maximum opening angle through the material retaining plate, the air suction port is machined on the side wall of the material retaining plate away from the flow guide bin, and the lower hopper body is communicated with the striking bin on the side of the shot blasting wheel.

[0014] The flow guide bin is arranged above the machining port.

[0015] The flow valve for controlling the flow of the abrasive is further arranged in the lower hopper body.

[0016] The present application has the following effects:

[0017] (1) The arc-shaped lifting section and the arc-shaped turning section for changing the turning direction of the abrasive are arranged, so that the shot blasting machine can continuously perform transverse machining on a vertical surface, the processing efficiency of the vertical surface with small height is improved, the machining dead angle is reduced, and the labor intensity is reduced;

[0018] (2) The arc-shaped lifting section gradually shortened along the guide part is arranged, so as to collect the abrasive and facilitate the turning of the abrasive through the arc-shaped turning end;

[0019] (3) The machining port in the transverse direction is arranged, so as to improve the working height of the shot blasting machine and improve the working efficiency of the shot blasting machine;

[0020] (4) By setting a processing port between the shot blasting mechanism and the return material mechanism, and setting a brush and a magnet on the processing port, the abrasive can be blocked by the brush and the abrasive that has not entered the return material mechanism can be attracted by the magnet, so as to reduce the loss of abrasive in the shot blasting machine. At the same time, the abrasive adsorbed on the magnet can reduce the wear of the brush caused by the abrasive thrown out by the shot blasting mechanism, thereby extending the service life of the brush.

[0021] (5) By setting a brush on the processing port, the abrasive can be prevented from flying out of the processing port. At the same time, the gaps in the brush allow air to enter from the processing port, so that the fan connected to the exhaust port can suck away the dust generated by shot blasting along the direction of the return material mechanism, reducing dust pollution and increasing the movement speed of the abrasive.

[0022] (6) By setting a separation mechanism on the side of the return mechanism close to the shot blasting mechanism, the space of the shot blasting machine can be saved, making the shot blasting machine more compact;

[0023] (7) By setting a guide chamber and a material retention plate inside the separator, the abrasive can be blocked and prevented from being drawn out of the exhaust port. Attached Figure Description

[0024] Fig. 1 This is a schematic diagram of the structure of the present invention.

[0025] Fig. 2 This is a schematic diagram of the material return mechanism of the present invention.

[0026] Fig. 3 This is a schematic diagram showing the connection between the recycling mechanism and the separation mechanism of the present invention.

[0027] Reference numerals: 1. Shot blasting mechanism; 11. Impact chamber; 12. Rotating shaft; 13. Shot blasting wheel; 14. Transmission wheel; 15. Motor; 2. Return mechanism; 21. DC section; 22. Arc-shaped lifting section; 221. Feed end A; 222. Discharge end A; 223. Guide section; 23. Arc-shaped turning section; 231. Feed end B; 232. Discharge end B; 233. Turning section; 3. Processing port; 31. Brush; 32. Magnet; 4. Separation mechanism; 41. Separation hopper; 42. Feed port; 43. Screen; 44. Guide chamber; 45. Adjusting baffle; 46. Material retention plate; 47. Exhaust vent; 48. Flow valve. Detailed Implementation

[0028] Example

[0029] like Figs. 1-3 As shown, the shot blasting device for horizontal treatment of facades provided in this embodiment includes a shot blasting mechanism 1, a return mechanism 2, and a separation mechanism 4.

[0030] The shot blasting mechanism 1 is arranged below the separating mechanism 4, and the shot blasting mechanism 1 comprises a striking bin 11, a shot blasting wheel 13 and a motor 15, the shot blasting wheel 13 is rotatably arranged in the striking bin 11 through a rotating shaft 12, one end of the rotating shaft 12 penetrates through the striking bin 11 and is connected with a transmission wheel 14, the motor 15 is further arranged on the outer wall of the striking bin 11 and can drive the transmission wheel 14 to rotate, and the transmission wheel 14 can be a belt wheel, a chain wheel or the like.

[0031] The material returning mechanism 2 comprises a straight section 21, an arc-shaped lifting section 22 and an arc-shaped turning section 23, the straight section 21, the arc-shaped lifting section 22 and the arc-shaped turning section 23 are sequentially communicated, the inner walls of the straight section 21 and the arc-shaped lifting section 22 are smoothly connected, the arc-shaped lifting section 22 comprises an inlet end A221, an outlet end A222 and a guide part 223 connecting the inlet end A221 and the outlet end A222, the cross section of the guide part 223 along the feeding direction gradually decreases and can be used to gather the abrasive, the arc-shaped turning section 23 comprises an inlet end B231, an outlet end B232 and a turning part 233 connecting the inlet end B231 and the outlet end B232 and used to change the feeding direction, the feeding direction of the turning part 233 and the feeding direction of the arc-shaped lifting section 22 form an included angle, the arc-shaped lifting section 22 and the arc-shaped turning section 23 are connected in a non-parallel manner, and the connection manner can be welding, flange connection, riveting, sleeve connection or the like, thereby forming a channel for the abrasive to flow reversely. The turning part 233 is preferably arc-shaped, so that the abrasive can smoothly change along the arc surface of the turning part 233; the turning part 233 can also be a right angle type, and the turning part 233 is connected with the outlet end A222 of the arc-shaped lifting section 22 in a non-parallel manner through the inlet end B231. Since the turning part 233 is preferably arc-shaped, the included angle between the feeding direction of the turning part 233 and the feeding direction of the arc-shaped lifting section 22 can be 25°, 30°, 35°, 40°, 45°, 50°, 55°, 60°, 70° or 80°. After the abrasive enters the arc-shaped turning section 23, the conveying direction of the abrasive along the feeding direction of the arc-shaped lifting section 22 becomes the feeding direction of the arc-shaped turning section 23, so that the shot blasting machine can move horizontally on the vertical surface without causing the abrasive to deviate, thereby achieving the purpose of turning the abrasive, so that the shot blasting machine can move horizontally on the vertical surface and can efficiently process the inside, and the conveying direction of the abrasive is changed through the turning part 233, so that the conveying direction of the abrasive along the arc-shaped lifting section 22 becomes the conveying direction of the arc-shaped turning section 23.

[0032] The impact bin 11 is communicated with the straight flow section 21 in V type, the V type communication is that the impact bin 11 and the straight flow section 21 are in V type in plan view, the traditional impact bin 11 and the straight flow section 21 are in V type in elevation, the impact bin 11 and the straight flow section 21 are symmetrical along the normal of surface, the connecting place of the impact bin 11 and the straight flow section 21 is provided with a machining port 3 for transverse machining, the machining port 3 for transverse machining is that the height dimension is greater than the width dimension on the inside, the machining port 3 of the existing shot blasting machine is that the width dimension is greater than the height dimension.The outside of the machining port 3 is provided with a brush 31 matched with the profile of the machining port 3, and a magnet 32 is further arranged between the brush 31 and the machining port 3, the magnet 32 can adopt a permanent magnet 32 or an electromagnet 32, the magnet 32 is in C type, the opening direction of the C type magnet 32 is towards the direction of the shot blasting machine moving forward, the C type magnet 32 can adsorb the abrasive leaked from the two sides and the rear end of the shot blasting machine when moving, so as to reduce the loss of abrasive. The installed brush 31 can prevent the abrasive from flowing out from the gap between the machining port 3 and the surface when machining the surface.

[0033] The discharge end B232 of the arc-shaped turning section 23 is communicated with a separation mechanism 4, and the separation mechanism 4 is located on the side of the material return mechanism 2 close to the shot blasting mechanism 1, the separation mechanism 4 comprises a separation hopper 41, a screen 43, a guide bin 44 and a material retention plate 46, the separation hopper 41 is provided with a feeding port 42, the separation hopper 41 is divided into an upper hopper body and a lower hopper body by the screen 43, the guide bin 44 communicated with the discharge end B232 is installed in the upper hopper body, the guide bin 44 is located above the feeding port 3, the vertical material retention plate 46 is installed in the upper hopper body on the side of the guide bin 44, the side wall of the guide bin 44 close to the material retention plate 46 is hinged with an adjusting baffle 45 for adjusting the opening size, and the adjusting baffle 45 controls the maximum opening angle through the material retention plate 46, the side wall of the guide bin 44 away from the material retention plate 46 is machined with an air suction port 47, the air suction port 47 is connected with an air suction machine through a wind pipe, for sucking out the polishing valve waste, dregs, dust and the like, so as to avoid the dust generated during the processing of the shot blasting machine from polluting the environment of the processing place. The lower hopper body is communicated with the impact bin 11 on one side of the shot blasting wheel 13, and a flow valve 48 for controlling the flow of abrasive is further arranged in the lower hopper body, the flow valve 48 can be selected from an electromagnetic butterfly valve or a sand valve.

[0034] The use method of the present application is:

[0035] The shot blasting machine is fixedly installed on the moving frame, then the abrasive is added in the net separation hopper 41 through the feeding port 42, then the moving frame is controlled to move the shot blasting machine to the vertical surface to be processed, the brush 31 on the processing port 3 is controlled to be in contact with the surface of the vertical surface, then the motor 15 and the air extractor are started, the motor 15 is started at the same time, the flow valve 48 is controlled to be opened, the motor 15 drives the shot blasting wheel 13 to rotate at high speed, the abrasive passing through the flow valve 48 is knocked from the impact bin 11 to the surface through the shot blasting wheel 13, the abrasive is rebounded to the straight flow section 21 under the impact force after processing the surface, and the abrasive enters the arc lifting section 22 along the straight flow section 21 through inertia, the abrasive enters the separation mechanism 4 under the action of the arc reversing section after passing through the arc lifting section 22, the direction of the abrasive in the arc lifting section 22 can be changed through the arc reversing section, so that the continuity of processing of the shot blasting mechanism 1 when moving transversely on the vertical surface is ensured; the abrasive enters the separation mechanism 4, and the air extractor extracts the air entering the processing port 3 along the air extraction port 47 of the separation hopper 41 under the action of the air extractor, so that the separation hopper 41 is in a negative pressure state, at this time, the baffle 45 is opened under the impact of the abrasive and the action of the air extractor, and is limited by the abrasive plate 46, at this time, the abrasive falls on the screen 43, and the dust contained in the abrasive is discharged from the separation hopper 41 through the air extraction port 47 under the action of the air extractor, and the abrasive passing through the screen 43 enters the impact bin 11 again through the baffle 45, and is processed in a cycle.

[0036] The brush 31 installed on the processing port 3 is used to block the abrasive, the magnet 32 can adsorb the abrasive in time after the brush 31 blocks the abrasive, the abrasive loss can be prevented, and the abrasion of the brush 31 by the abrasive can be reduced, since the magnet 32 is in a C shape, and the opening of the C-shaped magnet 32 faces the advancing direction of the shot blasting machine, therefore the abrasive is not adsorbed by the magnet 32 when impacting the surface, only a small amount of abrasive not entering the air extractor 2 can be adsorbed by the magnet 32, the waste rate of the abrasive can be reduced through the C-shaped magnet 32.

[0037] The above only describes the preferred embodiments of the present application, but the protection scope of the present application is not limited thereto, any modification and replacement based on the technical solutions and inventive concepts provided by the present application should be covered in the protection scope of the present application.

Claims

1. A shot blasting device for horizontal treatment of facades, comprising a shot blasting mechanism, a separation mechanism, and a return mechanism for conveying the shot blasted by the shot blasting mechanism to the separation mechanism, characterized in that: The return material mechanism includes a DC section, an arc-shaped lifting section, and an arc-shaped turning section, which are sequentially connected. The arc-shaped lifting section and the arc-shaped turning section are connected in opposite directions and the arc-shaped turning section changes the conveying direction of the abrasive. The arc-shaped lifting section includes a feed end A, a discharge end A, and a guide portion connecting the feed end A and the discharge end A. The arc-shaped turning section includes a feed end B, a discharge end B, and a turning portion connecting the feed end B and the discharge end B and used to change the feeding direction. The turning portion is connected in opposite directions to the discharge end A of the arc-shaped lifting section through the feed end B, so that the feeding direction of the turning portion forms an angle with the feeding direction of the arc-shaped lifting section. The cross-section of the guide portion is along the feed end A. The material direction gradually decreases, and the inner walls of the DC section and the arc-shaped lifting section are smoothly transitioned. The shot blasting mechanism includes an impact chamber, a shot blasting wheel, and a motor. The shot blasting wheel is rotatably installed inside the impact chamber via a rotating shaft. One end of the rotating shaft passes through the impact chamber and is connected to a transmission wheel. A motor that can drive the transmission wheel to rotate is also installed on the outer wall of the impact chamber. The impact chamber and the DC section are connected in a V-shape. The V-shape means that the impact chamber and the DC section are V-shaped when viewed from above. A processing port for transverse processing is provided at the connection between the impact chamber and the DC section. A brush that matches the contour of the processing port is provided on the outside of the processing port, and a magnet is also provided between the brush and the processing port. The magnet is C-shaped, and the opening of the C-shaped magnet faces the forward direction of the shot blasting unit.

2. The shot blasting device for horizontal treatment of facades according to claim 1, characterized in that: The separation mechanism is located on the side of the return mechanism near the shot blasting mechanism. The separation mechanism includes a separation hopper, a screen, a guide chamber, and a stagnation plate. The separation hopper is provided with a feeding port. The separation hopper is divided into an upper hopper and a lower hopper by the screen. The guide chamber, which is connected to the discharge end B, is installed in the upper hopper. A vertical stagnation plate is installed in the upper hopper on one side of the guide chamber. An adjusting baffle for adjusting the opening size is hinged on the side wall of the guide chamber near the stagnation plate. The adjusting baffle controls the maximum opening angle through the stagnation plate. An exhaust port is machined on the side wall of the stagnation plate away from the guide chamber. The lower hopper is connected to the impact chamber on one side of the shot blasting wheel.

3. The shot blasting device for horizontal treatment of facades according to claim 2, characterized in that: The flow guide chamber is located above the processing port.

4. The shot blasting device for horizontal treatment of facades according to claim 2, characterized in that: The lower bucket body is also equipped with a flow valve to control the abrasive material flow.

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