Novel sand blasting derusting device

Abstract

The utility model relates to the technical field of rust removers, in particular to a novel sand blasting rust remover which comprises two flow guide plates, a rotating shaft is rotatably connected in an installation block, an outer gear and a connecting rod are respectively sleeved on the outer side of the rotating shaft, one end of the connecting rod is fixedly connected with an operating rod, and a manual adjusting bolt is screwed on the top of the installation block. The lower end of the manual adjusting bolt is rotationally connected with a limiting block clamped with the outer gear. The operating rod and the mounting block are rotationally connected through the rotating shaft and the connecting rod, the outer gear is mounted on the outer side of the rotating shaft, and the manual adjusting bolt is rotated to enable the limiting block rotationally connected with the manual adjusting bolt to be clamped and fixed in the tooth gap of the outer gear, so that the operating rod with the angle adjusted can be fixed, stability is high, and the operating rod is convenient to use. The sand blasting derusting device solves the technical problems that the adopted structure of a sand blasting derusting device for a small-pipe-diameter pipeline is usually provided with an operating rod for handheld operation, but the angle of the operating rod is inconvenient to fix after being adjusted, and the operation stability is affected.

Description

Technical Field

[0001] The utility model relates to the technical field of rust removers, in particular to a novel sandblasting rust remover. Background Art

[0002] Sandblasting is a method of removing rust by using compressed air to spray sand of a certain particle size onto the rusted surface of the workpiece through a sandblasting gun, which can not only achieve rapid rust removal but also prepare the surface for painting, spraying, electroplating and other processes. When removing rust from the outer surface of a small-diameter pipe, a sandblasting machine is used to spray the material in a high-speed jet beam onto the surface of the workpiece to be processed, and the impact and grinding effect of the material on the surface are used to achieve the purpose of rust removal. Sandblasting machines are divided into two categories: dry sandblasting machines and liquid sandblasting machines.

[0003] With respect to the above-mentioned related technologies, the inventor believes that there are the following defects:

[0004] For the sandblasting rust remover of small diameter pipes, the structure adopted is usually equipped with an operating rod for handheld operation, but the angle of the operating rod is inconvenient to fix after adjustment, which affects the stability of operation. Therefore, it is necessary to provide a new sandblasting rust remover to solve the above technical problems. Utility Model Content

[0005] The technical problem to be solved by the utility model is that for a sandblasting rust remover for a small-diameter pipe, the structure adopted by the utility model is usually equipped with an operating rod for hand-held operation, but the angle of the operating rod is inconvenient to fix after adjustment, which affects the stability of the operation. In view of the above-mentioned defects of the prior art, a new sandblasting rust remover is provided, comprising two guide plates, the inner part of the mounting block is rotatably connected with a rotating shaft, the outer side of the rotating shaft is respectively sleeved with an external gear and a connecting rod, one end of the connecting rod is fixedly connected with an operating rod, the top of the mounting block is screwed with a hand-adjusting bolt, and the lower end of the hand-adjusting bolt is rotatably connected with a limit block engaged with the external gear. The operating rod in the utility model is rotatably connected with the mounting block by a rotating shaft and a connecting rod, and the outer side of the rotating shaft is installed with an external gear. By rotating the hand-adjusting bolt, the limit block rotatably connected with it is clamped in the tooth gap of the external gear, so that the operating rod after the angle adjustment can be fixed, and the stability is strong, which solves the technical problem that the sandblasting rust remover for a small-diameter pipe, the structure adopted by the utility model is usually equipped with an operating rod for hand-held operation, but the angle of the operating rod is inconvenient to fix after adjustment, which affects the stability of the operation.

[0006] To achieve the above-mentioned purpose, the technical solution of the utility model is: a new type of sandblasting rust remover, comprising two guide plates, which are rotatably connected to each other, and a mounting block is fixedly installed on the outer side of the left guide plate, the interior of the mounting block is rotatably connected to a rotating shaft, and the outer sides of the rotating shaft are respectively sleeved with an external gear and a connecting rod, one end of the connecting rod is fixedly connected to an operating rod, the top of the mounting block is screwed with a hand-adjusting bolt, and the lower end of the hand-adjusting bolt is rotatably connected to a limit block engaged with the external gear.

[0007] It is further provided that a sandblasting cavity is opened on the inner side of the guide plate, and the guide plate and the mounting block are an integrally formed structure.

[0008] It is further configured that a sand inlet is provided on the upper surface of the guide plate on the left side, and a sand outlet is provided on the upper surface of the guide plate on the right side, and both the sand outlet and the sand inlet are connected to the sand blasting chamber.

[0009] It is further provided that a plurality of fixing blocks are fixedly mounted on the front and rear surfaces of the guide plate, and a roller is fixedly mounted on one side of each of the fixing blocks.

[0010] It is further provided that a connecting seat is fixedly installed on the front surface of the guide plate on the left side, and a connecting block engaged with the connecting seat is fixedly installed on the front surface of the guide plate on the right side.

[0011] It is further provided that a tension spring is fixedly installed on the front surface of the connecting seat, one end of the tension spring is fixedly connected to a positioning piece that passes through the connecting seat, and one end of the positioning piece is plugged into the connecting block.

[0012] It is further arranged that the tension spring is located outside the positioning member, and the positioning member is in a T-shaped structure.

[0013] Compared with the related art, the new sandblasting rust remover provided by the utility model has the following beneficial effects:

[0014] The utility model provides a novel sandblasting rust remover, wherein an operating rod and a mounting block are rotatably connected by a rotating shaft and a connecting rod, and an external gear is installed on the outer side of the rotating shaft, and a limit block rotatably connected with the rotating shaft is clamped in the tooth gap of the external gear by rotating a hand-adjusting bolt, so that the operating rod after adjusting the angle can be fixed, and the stability is strong, which solves the technical problem that a sandblasting rust remover for a small-diameter pipeline is usually equipped with an operating rod for hand-held operation, but the angle of the operating rod is inconvenient to be fixed after adjustment, which affects the stability of the operation.

[0015] The utility model provides a novel sandblasting rust remover, the bottoms of the two guide plates are rotatably connected, the upper parts thereof are clamped by connecting blocks and connecting seats, and the elastic tension of the tension spring is utilized to realize that the positioning pieces connected thereto are inserted and fixed inside the connecting block, thereby facilitating the closing and fixing of the two guide plates, improving the convenience of operation, and helping to increase work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 A structural schematic diagram of a preferred embodiment of the novel sandblasting rust remover provided by the utility model;

[0017] Figure 2 It is a partial enlarged view of the A part of the utility model;

[0018] Figure 3 It is a partial main structural schematic diagram of the utility model;

[0019] Figure 4 It is a cross-sectional view of the guide plate of the present utility model.

[0020] Numbers in the figure: 1. operating lever; 2. connecting rod; 3. hand-adjusting bolt; 4. rotating shaft; 5. mounting block; 6. sandblasting chamber; 7. roller; 8. sand inlet; 9. guide plate; 10. fixing block; 11. connecting seat; 12. tension spring; 13. positioning piece; 14. connecting block; 15. limiting block; 16. external gear; 17. sand outlet. DETAILED DESCRIPTION

[0021] In order to facilitate the understanding of the present invention, the present invention will be described more comprehensively with reference to the accompanying drawings. The accompanying drawings show typical embodiments of the present invention.

[0022] Embodiment 1:

[0023] like Figure 1-4 As shown, the new sandblasting rust remover of the utility model comprises two guide plates 9, which are rotatably connected to each other, and a mounting block 5 is fixedly installed on the outer side of the left guide plate 9, and a rotating shaft 4 is rotatably connected inside the mounting block 5. An external gear 16 and a connecting rod 2 are respectively sleeved on the outer side of the rotating shaft 4, and an operating rod 1 is fixedly connected to one end of the connecting rod 2. A hand-adjusting bolt 3 is screwed on the top of the mounting block 5, and a limit block 15 engaged with the external gear 16 is rotatably connected to the lower end of the hand-adjusting bolt 3.

[0024] like Figure 1 As shown, a sandblasting cavity 6 is provided inside the guide plate 9 , and the guide plate 9 and the mounting block 5 are an integrally formed structure, so that the guide plate 9 and the mounting block 5 are firmly connected.

[0025] During implementation, the operating rod 1 and the mounting block 5 are rotatably connected by a rotating shaft 4 and a connecting rod 2, and an external gear 16 is installed on the outer side of the rotating shaft 4. By rotating the hand-adjusting bolt 3, the limit block 15 rotatably connected to it is fixed in the tooth gap of the external gear 16, so that the operating rod 1 after the angle is adjusted can be fixed, and the stability is strong. This solves the technical problem that the sandblasting rust remover for small-diameter pipes is usually equipped with an operating rod 1 for hand-held operation, but the angle of the operating rod 1 is inconvenient to be fixed after adjustment, affecting the stability of the operation.

[0026] Embodiment 2:

[0027] like Figure 1-4 As shown, on the basis of the first embodiment, the utility model provides a technical solution: a sand inlet 8 is provided on the upper surface of the left guide plate 9, and a sand outlet 17 is provided on the upper surface of the right guide plate 9, the sand outlet 17 and the sand inlet 8 are both connected to the sandblasting chamber 6, a plurality of fixed blocks 10 are fixedly installed on the front and rear surfaces of the guide plate 9, a roller 7 is fixedly installed on one side of each fixed block 10, a connecting seat 11 is fixedly installed on the front surface of the left guide plate 9, and a connecting block 14 clamped with the connecting seat 11 is fixedly installed on the front surface of the right guide plate 9, a tension spring 12 is fixedly installed on the front surface of the connecting seat 11, one end of the tension spring 12 is fixedly connected to a positioning member 13 that passes through the connecting seat 11, one end of the positioning member 13 is plugged between the connecting block 14, the tension spring 12 is located on the outside of the positioning member 13, and the positioning member 13 is in a T-shaped structure.

[0028] During implementation, the bottom of the two guide plates 9 is rotatably connected, and the upper part thereof is clamped by a connecting block 14 and a connecting seat 11. At the same time, the elastic tension of the tension spring 12 is utilized to realize that the positioning piece 13 connected thereto is inserted and fixed inside the connecting block 14, thereby facilitating the closing and fixing of the two guide plates 9, improving the convenience of operation, and helping to increase work efficiency.

[0029] When the present technical solution is used, firstly, the positioning member 13 is pulled to stretch the tension spring 12, and the two guide plates 9 are sleeved on the outside of the pipe, and then the two guide plates 9 are combined to insert the connecting block 14 into the inside of the connecting seat 11, and then the positioning member 13 is loosened. At this time, under the elastic tension of the tension spring 12, one end of the positioning member 13 connected thereto is inserted and fixed into the inside of the connecting block 14, so that the two guide plates 9 are connected and fixed, and then the pipe fittings of the sandblasting machine are connected to the sand inlet 8 and the sand outlet 17 respectively, and finally the operating rod 1 is held to move the rust remover, and the sandblasting machine is started to sandblast and rust remove the pipe. When the angle of the operating rod 1 needs to be adjusted, firstly, the manual adjustment bolt 3 is turned to make the limit block 15 connected thereto rotatably disengage from the tooth gap of the external gear 16, and then the operating rod 1 and the connecting rod 2 are rotated to a certain angle with the rotating shaft 4 as the center, and finally the manual adjustment bolt 3 is turned again to make the limit block 15 connected thereto rotatably clamp into the tooth gap of the external gear 16, so that the operating rod 1 after the angle adjustment is fixed.

[0030] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A novel sandblasting rust remover, comprising two guide plates (9), characterized in that: The two guide plates (9) are rotatably connected to each other, and a mounting block (5) is fixedly mounted on the outer side of the left guide plate (9), the interior of the mounting block (5) is rotatably connected to a rotating shaft (4), the outer side of the rotating shaft (4) is respectively sleeved with an external gear (16) and a connecting rod (2), one end of the connecting rod (2) is fixedly connected to an operating rod (1), the top of the mounting block (5) is screwed with a hand-adjusting bolt (3), and the lower end of the hand-adjusting bolt (3) is rotatably connected to a limit block (15) engaged with the external gear (16).

2. The new sandblasting rust remover according to claim 1 is characterized in that: A sandblasting cavity (6) is provided on the inner side of the guide plate (9), and the guide plate (9) and the mounting block (5) are an integrally formed structure.

3. The new sandblasting rust remover according to claim 2 is characterized in that: A sand inlet (8) is provided on the upper surface of the guide plate (9) on the left side, and a sand outlet (17) is provided on the upper surface of the guide plate (9) on the right side. Both the sand outlet (17) and the sand inlet (8) are connected to the sandblasting chamber (6).

4. The new sandblasting rust remover according to claim 1 is characterized in that: A plurality of fixing blocks (10) are fixedly mounted on the front and rear surfaces of the guide plate (9), and a roller (7) is fixedly mounted on one side of each fixing block (10).

5. The new sandblasting rust remover according to claim 1 is characterized in that: A connecting seat (11) is fixedly mounted on the front surface of the guide plate (9) on the left side, and a connecting block (14) clamped with the connecting seat (11) is fixedly mounted on the front surface of the guide plate (9) on the right side.

6. The new sandblasting rust remover according to claim 5 is characterized in that: A tension spring (12) is fixedly installed on the front surface of the connecting seat (11), one end of the tension spring (12) is fixedly connected to a positioning piece (13) that passes through the connecting seat (11), and one end of the positioning piece (13) is plugged into a connecting block (14).

7. The new sandblasting rust remover according to claim 6 is characterized in that: The tension spring (12) is located outside the positioning member (13), and the positioning member (13) is in a T-shaped structure.

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