Automatic sand blasting device for quartz tube

Abstract

The utility model relates to the technical field of sand blasting devices, in particular to an automatic sand blasting device for a quartz tube, which comprises a sand blasting workbench arranged on the horizontal ground, a quartz tube supporting table separated from the sand blasting workbench is arranged on one side of the sand blasting workbench, and a horizontal guide rail is arranged on the sand blasting workbench along the length direction. The sliding device is arranged to drive the sand blasting device to reciprocate in the direction of the horizontal guide rail, and the quartz tubes are sequentially subjected to sand blasting treatment in the length direction through uniform-speed movement. And the feeding device is arranged, the quartz sand slides down along the feeding device under the action of gravity, and continuous supply of the quartz sand is kept. The feeding device divides flow through compressed air, quartz sand is layered and blown out at a high speed, the grinding efficiency is high, and the grinding precision is high. When the inner wall or the outer wall of the quartz tube is polished, the periphery of the quartz tube can be evenly polished, and polishing is efficient and comprehensive. The relative positions of the sand blasting workbench and the quartz tube supporting table are changed, high-precision grinding of the outer wall and the inner wall of the quartz tube is completed, transferring is convenient, and the sand blasting period is short.

Description

Technical Field

[0001] The utility model relates to the technical field of sandblasting equipment, in particular to an automatic sandblasting device for a quartz tube. Background Art

[0002] Quartz tube sandblasting is a commonly used surface treatment method for cleaning, removing surface dirt, oxides or coatings, and increasing surface roughness.

[0003] Common quartz tube automatic sandblasting device, during production, quartz tube sandblasting needs to control the size and speed of sandblasting particles to ensure effective cleaning and treatment of the workpiece surface. Too large or too small particle size and inappropriate speed may lead to poor treatment effect or damage to the workpiece surface.

[0004] Incorrect blasting pressure or angle during the blasting process may result in uneven blasting or failure to achieve the desired treatment effect. Existing blasting equipment cannot achieve this. After the inner wall of the quartz tube is blasted, the outer wall cannot be blasted. Summary of the invention

[0005] 1. Technical issues to be resolved

[0006] In view of the deficiencies in the prior art, the utility model provides an automatic sandblasting device for a quartz tube, which solves the problems raised in the above-mentioned background technology.

[0007] (II) Technical solution

[0008] To achieve the above purpose, the utility model is implemented through the following technical solutions: an automatic quartz tube sandblasting device, including a sandblasting workbench set on a horizontal ground, a quartz tube support platform separated from the sandblasting workbench is provided on one side of the sandblasting workbench, the quartz tube support platform and the sandblasting workbench are collinear or vertically arranged along the length direction, and when the outer wall and inner wall of the quartz tube are polished, the quartz tube support platform can be moved, and when it is moved to be collinear with the sandblasting workbench, the inner wall of the quartz tube is polished, and when it is moved to be vertical to the sandblasting workbench, the outer wall of the quartz tube is polished. After polishing, the transfer and replacement efficiency of the quartz tube is high, and the polishing cycle is short.

[0009] The sandblasting workbench is provided with a horizontal guide rail along the length direction, a sliding device is provided on the horizontal guide rail, a sandblasting device is provided on the top of the sliding device, the sandblasting device includes a sandblasting conduit arranged along the horizontal guide rail, a spray gun assembly is provided at the end of the sandblasting conduit, and a feeding device is provided at one end of the sandblasting conduit away from the spray gun assembly. Quartz sand slides along the feeding device under the action of gravity to maintain a continuous supply of quartz sand. An air intake device is connected to the other side of the feeding device, and the air intake device includes a compressed air pipeline connected to a compressor, and an air intake valve is provided on the compressed air pipeline. The opening and closing of the air intake valve controls the input and pause of compressed air. Several air outlets are connected in parallel to the end of the compressed air pipeline, each of which is connected to a sandblasting air intake pipeline, and each end of the sandblasting air intake pipeline is connected to the feeding device. Several air outlets divert the compressed air and blow the quartz sand in layers synchronously.

[0010] As a further solution of the utility model, the compressed air pipeline and the air inlet valve are both arranged below the horizontal rail of the sandblasting workbench, the pressure in the compressed air pipeline is 0.6Mpa-0.8Mpa, there are 4 air outlets connected in parallel at the end of the compressed air pipeline, each of which is connected to a sandblasting air inlet pipeline, the sandblasting air inlet pipeline is a flexible pressure-resistant pipeline, and the length of the sandblasting air inlet pipeline can ensure that the sliding device slides within the entire horizontal rail stroke. The sliding device slides back and forth on the horizontal rail, and the sandblasting air inlet pipe is arranged below the horizontal rail of the sandblasting workbench, and will not interfere with the movement of the sliding device.

[0011] As a further solution of the utility model, the spray gun assembly includes 4 gun heads, which are evenly distributed around the opening of the sandblasting conduit, and each gun head is arranged at an acute angle to the axis of the sandblasting conduit, and an automatic rotating joint is arranged between a group of gun heads and the sandblasting conduit. The automatic rotating joint automatically rotates and drives the 4 gun heads to rotate at a uniform speed along the circumference to achieve a circle of grinding of the inner wall of the quartz tube.

[0012] As a further solution of the utility model, the sliding device includes a sliding seat and a driving mechanism, the driving mechanism includes a controller and a sliding motor, the controller and the sliding motor are electrically connected, the telescopic shaft end of the sliding motor is connected to the sliding seat, and the sliding seat is driven to reciprocate on the horizontal guide rail. The driving mechanism drives the sliding seat to reciprocate on the horizontal guide rail, and can effectively control the sliding direction and sliding speed to meet the requirements of precision that cannot be polished.

[0013] As a further solution of the utility model, the feeding device includes a conical cylinder and a vertical cylinder arranged up and down. The diameter of the conical cylinder gradually decreases from top to bottom. The quartz sand slides down along the inner wall of the conical cylinder under the action of gravity, which is energy-saving and low-carbon. It does not require external force to drive it, and it slides down at a uniform speed and high efficiency to ensure continuous supply. The bottom of the vertical cylinder is sealed and fixed to the top surface of the sliding seat. A sand outlet is provided on the cylinder wall of the vertical cylinder. The sand outlet is connected to the sandblasting conduit. A row of air guide ports is vertically provided on the cylinder wall on the other side opposite to the sand outlet. There are four air guide ports, and the four air guide ports are respectively connected to the corresponding sandblasting air inlet pipelines.

[0014] As a further solution of the utility model, sand material is continuously and uniformly injected into the feeding device, and the sand material is silicon carbide powder material, and the powder particle diameter of the silicon carbide powder material is 200 mesh to 600 mesh.

[0015] As a further solution of the utility model, the quartz tube support platform is provided with two rows of graphite wheels symmetrically arranged in pairs, and each row is provided with several graphite wheels, and the axis of each row of graphite wheels is parallel to the length direction of the quartz tube support platform. A support portion for supporting the suspended quartz tube body is formed between the two rows of graphite wheels, and a rotating motor is provided at the end of each row of graphite wheels, and several graphite wheels in each row are evenly spaced and penetrated on the rotating motor shaft on the corresponding side. The two rotating motors rotate synchronously in the same direction, driving the quartz tube to rotate at a uniform speed along the circumferential direction. When grinding the inner wall or outer wall of the quartz tube, the quartz tube can be evenly ground around the quartz tube, with good grinding effect and full coverage area.

[0016] As a further solution of the utility model, the rotating motors are electrically connected to the controller, and the controller controls the rotating motors to start and stop synchronously in the same direction, and each row of the graphite wheels is set to 4. The quartz tube is fully supported in the length direction, and the support is stable and reliable, and will not slip during the rotation process.

[0017] Compared with the prior art, the utility model has the following beneficial effects: the sandblasting device is driven to reciprocate along the horizontal guide rail by setting a sliding device, and the quartz tube is sandblasted in sequence along the length direction by uniform motion. A feeding device is provided at one end of the sandblasting conduit away from the spray gun assembly, and the quartz sand slides along the feeding device under the action of gravity, so as to maintain a continuous supply of quartz sand. The sandblasting air inlet pipe is arranged below the horizontal guide rail of the sandblasting workbench and will not interfere with the movement of the sliding device. The feeding device divides the quartz sand into layers and blows it out at high speed through compressed air diversion, so that the grinding efficiency and grinding precision are high. When the inner wall or outer wall of the quartz tube is ground, the quartz tube can be evenly ground around, with good grinding effect and full coverage area. The sandblasting workbench and the quartz tube support table change their relative positions to complete the high-precision grinding of the outer and inner walls of the quartz tube, which is convenient for transfer and has a short sandblasting cycle. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1It is a schematic diagram of the structure of the utility model;

[0019] Figure 2 This is a schematic diagram of the working state of the utility model. Figure 1 ;

[0020] Figure 3 This is a schematic diagram of the working state of the utility model. Figure 1 ;

[0021] Figure 4 This is a schematic diagram of the structure of the feeding device of the utility model.

[0022] In the figure: 1-quartz tube support platform, 101-rotating motor, 102-graphite wheel, 2-sandblasting workbench, 201-horizontal guide rail, 3-sliding device, 301-sliding motor, 302-sliding seat, 4-air intake device, 401-air intake valve, 402-compressed air pipeline, 403-air outlet, 404-sandblasting air intake pipeline, 5-sandblasting device, 501-sandblasting catheter, 502-automatic rotating joint, 503-gun head, 6-feeding device, 601-conical cylinder, 602-vertical cylinder, 621-air guide port, 622-sand outlet. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0024] Example 1

[0025] See also Figure 1 to Figure 2 The utility model provides a technical solution: an automatic sandblasting device for a quartz tube, comprising a sandblasting workbench 2 arranged on a horizontal ground, a quartz tube supporting platform 1 separated from the sandblasting workbench is provided on one side of the sandblasting workbench, the quartz tube supporting platform and the sandblasting workbench are arranged in the same line along the length direction, and the inner wall of the quartz tube is first polished.

[0026] The quartz tube support platform is provided with two rows of graphite wheels 102 arranged symmetrically in pairs, with a plurality of graphite wheels arranged in each row, and a number of graphite wheels in each row is set to 4. The axes of the graphite wheels in each row are parallel to the length direction of the quartz tube support platform, and a support portion for supporting the suspended quartz tube body is formed between the two rows of graphite wheels. A rotating motor 101 is provided at the end of each row of graphite wheels, and the rotating motors are electrically connected to the controller, and the controller controls the synchronous and same-direction start and stop of the rotating motors. The plurality of graphite wheels in each row are evenly spaced and penetrated on the rotating motor shafts on the corresponding sides, and the two rotating motors rotate synchronously and in the same direction, driving the quartz tube to rotate at a uniform speed along the circumferential direction.

[0027] Before the sandblasting process begins, the two rotating motors 101 are started synchronously, and the quartz tube rotates unidirectionally and at a constant speed along with the two rows of graphite wheels.

[0028] The sandblasting workbench is provided with a horizontal guide rail 201 along the length direction, and a sliding device 3 is provided on the horizontal guide rail. The sliding device includes a sliding seat 302 and a driving mechanism. The driving mechanism includes a controller and a sliding motor 301. The controller and the sliding motor are electrically connected. The telescopic shaft end of the sliding motor is connected to the sliding seat 302, and the sliding seat is driven to reciprocate on the horizontal guide rail. When the sliding device is in the initial position, the sliding motor is started, and the telescopic shaft of the sliding motor is extended to drive the sliding seat to move toward the quartz tube support platform.

[0029] A sandblasting device 5 is provided on the top of the sliding device, and the sandblasting device includes a sandblasting tube 501 arranged along the horizontal guide rail direction, and a spray gun assembly is provided at the end of the sandblasting tube. The spray gun assembly includes four gun heads 503, and the four gun heads are evenly distributed around the pipe mouth of the sandblasting tube, and each gun head is set at an acute angle to the axis of the sandblasting tube 501.

[0030] The sliding seat 302 drives the sandblasting device to move synchronously toward the quartz tube support platform. The sandblasting conduit 501 drives the gun head to enter the quartz tube integrally, and the gun head extends to the other end of the quartz tube, and the sliding motor 301 stops working at this time.

[0031] See also Figure 4 A feeding device 6 is provided at one end of the sandblasting conduit away from the spray gun assembly. Sand material is continuously and uniformly injected into the feeding device. The sand material is silicon carbide powder material, and the particle diameter of the silicon carbide powder material is 400 mesh. The feeding device includes a conical cylinder 601 and a vertical cylinder 602 arranged up and down. The cylinder diameter of the conical cylinder gradually decreases from top to bottom. The bottom of the vertical cylinder is sealed and fixed to the top surface of the sliding seat. The silicon carbide powder material falls into the vertical cylinder along the conical cylinder and continuously gathers in the vertical cylinder. A sand outlet 622 is provided on the cylinder wall of the vertical cylinder. The sand outlet is connected to the sandblasting conduit. The silicon carbide powder material is sprayed toward the sandblasting conduit 501 along the sand outlet.

[0032] The other side of the feeding device is connected to an air intake device 4, which includes a compressed air pipeline 402 connected to a compressor, and an air intake valve 401 is provided on the compressed air pipeline. The compressed air pipeline and the air intake valve are both arranged below the horizontal guide rail 201 of the sandblasting workbench, and the pressure in the compressed air pipeline is 0.7Mpa. The air intake valve is opened, and compressed air enters the compressed air pipeline. There are four air outlets 403 connected in parallel at the end of the compressed air pipeline, and each air outlet is connected to a sandblasting air intake pipeline 404. A row of air guide ports 621 are vertically arranged on the cylinder wall on the other side opposite to the sand outlet, and there are four air guide ports, and the four air guide ports are respectively connected to the corresponding sandblasting air intake pipelines. The sandblasting air intake pipeline is a flexible pressure-resistant pipeline, and the length of the sandblasting air intake pipeline can ensure that the sliding device slides within the entire horizontal guide rail stroke. Each end of the sandblasting air intake pipeline is connected to the feeding device.

[0033] The compressed air of 0.7Mpa is led out from four air guide ports and enters the vertical cylinder, blowing the silicon carbide powder out from the sand outlet at high speed, passing through the sandblasting conduit, and then sprayed out from the four gun heads at high speed. During the sandblasting process, the quartz tube rotates at a constant speed in the circumferential direction, and the inner wall of a section of the quartz tube is sandblasted and polished.

[0034] At the same time, the sliding motor is started, and the telescopic shaft of the sliding motor 301 retracts to drive the sliding seat to move at a constant speed away from the quartz tube support platform. The gun head moves at a constant speed in the quartz tube, and after continuous sandblasting, a sandblasting surface is formed until the gun head exits the quartz tube body, and the inner wall of the quartz tube completes the sandblasting procedure.

[0035] Example 2

[0036] Different from the embodiment 1, an automatic rotating joint 502 is provided between the gun head 503 and the sandblasting conduit 501. The automatic rotating joint comprises a cylindrical joint body, the joint body comprises an inner joint and an outer joint which are sleeved, a sealing ring is provided between the inner joint and the outer joint, a bearing is sleeved on the outer wall of the outer joint, a driven gear for driving the bearing to rotate is provided on the outer ring of the bearing, a driving gear is meshed on the driven gear, a rotating motor is provided on the driving gear shaft, the rotating motor is started, the driving gear is driven to drive the driven gear to rotate, the driven gear drives the outer joint to rotate relative to the inner joint, the outer joint is fixedly connected to the gun head, the gun head rotates at a uniform speed with the outer joint, and the inner wall of the quartz tube is sandblasted.

[0037] Example 3

[0038] See also Figure 3 , which is different from the above-mentioned embodiment, the quartz tube support platform and the sandblasting workbench are vertically arranged along the length direction, and the outer wall of the quartz tube is sandblasted.

[0039] Place the quartz tube on the quartz tube support 1, with the side of the quartz tube body aligned with the gun head and at the same height. At the beginning, align the side of the head at one end of the quartz tube with the gun head, start the two rotating motors synchronously, and the quartz tube rotates unidirectionally and at a constant speed along with the two rows of graphite wheels.

[0040] The feeding device 6 and the air intake device operate synchronously, and the quartz sand passes through the sandblasting conduit and is ejected at high speed along the four gun heads. During the sandblasting process, the quartz tube rotates at a constant speed in the circumferential direction, and the outer wall of the quartz tube is sandblasted and polished. When the outer wall of the opposite position is polished, the sandblasting is stopped.

[0041] The quartz tube support table is manually moved forward to the adjacent position of the outer wall to be polished, facing the gun head. The feeding device 6 and the air intake device 4 are operated synchronously again. After the quartz sand passes through the sandblasting duct, it is sprayed out at high speed along the four gun heads. During the sandblasting process, the quartz tube rotates at a uniform speed in the circumferential direction, and the outer wall of the quartz tube is sandblasted and polished. When the outer wall of the opposite position is polished, stop sandblasting. Keep moving the quartz tube support table until the outer wall of the entire quartz tube is polished, stop sandblasting, and at the same time, the two rotating motors stop working synchronously, waiting for the next sandblasting preparation.

[0042] The electrical components mentioned in this article are all connected to an external main controller and 380V commercial power, and the controller can be a conventional known device for controlling a computer or the like.

[0043] In the description of this specification, the terms "connect", "install", "fix", "set", etc. are understood in a broad sense. For example, "connection" can be a fixed connection or an indirect connection through an intermediate component without affecting the relationship between components and the technical effect. It can also be an integral connection or a partial connection. As in this example, for ordinary technicians in this field, the specific meanings of the above terms in this utility model or utility model can be understood according to the specific circumstances.

[0044] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A quartz tube automatic sandblasting device, comprising a sandblasting workbench (2) arranged on a horizontal ground, characterized in that: A quartz tube support platform (1) is provided on one side of the sandblasting workbench and is separated from the sandblasting workbench. The quartz tube support platform and the sandblasting workbench are arranged in a colinear or vertical manner along the length direction. A horizontal guide rail (201) is provided on the sandblasting workbench along the length direction. A sliding device (3) is provided on the horizontal guide rail. A sandblasting device (5) is provided on the top of the sliding device. The sandblasting device comprises a sandblasting conduit (501) arranged along the horizontal guide rail. A spray gun assembly is provided at the end of the sandblasting conduit. A feeding device (6) is provided at one end of the sandblasting conduit away from the spray gun assembly. An air intake device (4) is connected to the other side of the feeding device. The air intake device comprises a compressed air pipeline (402) connected to a compressor. An air intake valve (401) is provided on the compressed air pipeline. A plurality of air outlets (403) are connected in parallel to the end of the compressed air pipeline. Each air outlet is connected to a sandblasting air intake pipeline (404). The end of each sandblasting air intake pipeline is connected to the feeding device.

2. The automatic quartz tube sandblasting device according to claim 1, characterized in that: The compressed air pipeline (402) and the air inlet valve (401) are both arranged below the horizontal guide rail of the sandblasting workbench. The pressure in the compressed air pipeline is 0.6Mpa to 0.8Mpa. There are four air outlets connected in parallel at the end of the compressed air pipeline. Each air outlet is connected to a sandblasting air inlet pipeline. The sandblasting air inlet pipeline is a flexible pressure-resistant pipeline. The length of the sandblasting air inlet pipeline can ensure that the sliding device slides within the entire horizontal guide rail stroke.

3. The automatic quartz tube sandblasting device according to claim 2, characterized in that: The spray gun assembly comprises four gun heads (503), which are evenly distributed around the opening of the sandblasting conduit. Each gun head is arranged at an acute angle to the axis of the sandblasting conduit. An automatic rotating joint (502) is arranged between a group of gun heads and the sandblasting conduit.

4. The automatic quartz tube sandblasting device according to claim 1, characterized in that: The sliding device comprises a sliding seat (302) and a driving mechanism, wherein the driving mechanism comprises a controller and a sliding motor (301), wherein the controller and the sliding motor are electrically connected, and the telescopic shaft end of the sliding motor is connected to the sliding seat, driving the sliding seat to reciprocate on the horizontal guide rail.

5. The automatic quartz tube sandblasting device according to claim 4, characterized in that: The feeding device comprises a conical cylinder (601) and a vertical cylinder (602) arranged up and down, the diameter of the conical cylinder gradually decreases from top to bottom, the bottom of the vertical cylinder is sealed and fixed to the top surface of the sliding seat, a sand outlet (622) is provided on the cylinder wall of the vertical cylinder, and the sand outlet is connected to the sandblasting conduit, and a row of air guide ports (621) are vertically provided on the cylinder wall on the other side opposite to the sand outlet (622), and there are four air guide ports, which are respectively connected to the corresponding sandblasting air inlet pipelines.

6. The automatic quartz tube sandblasting device according to claim 5, characterized in that: The feeding device continuously and uniformly injects sand material, which is silicon carbide powder material, and the powder particle diameter of the silicon carbide powder material is 200 meshes to 600 meshes.

7. The automatic quartz tube sandblasting device according to claim 4, characterized in that: The quartz tube support platform is provided with two rows of graphite wheels (102) symmetrically arranged in pairs, each row is provided with a plurality of graphite wheels, the axes of the graphite wheels in each row are parallel to the length direction of the quartz tube support platform, a support portion for supporting the quartz tube body to be suspended in the air is formed between the two rows of graphite wheels, a rotating motor (101) is provided at the end of each row of graphite wheels, the plurality of graphite wheels in each row are evenly spaced and penetrated on the rotating motor shafts on the corresponding sides, the two rotating motors rotate synchronously in the same direction, and drive the quartz tube to rotate at a uniform speed along the circumferential direction.

8. The automatic quartz tube sandblasting device according to claim 7, characterized in that: The rotating motors (101) are all electrically connected to the controller, and the controller controls the rotating motors to start and stop synchronously and in the same direction. Four graphite wheels are arranged in each row.

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