Sand blasting machine with wear-resistant structure

Abstract

The utility model discloses a sand blasting machine with a wear-resistant structure, which belongs to the technical field of sand blasting machines and comprises a sand blasting machine shell, a sand blasting pipe is mounted in the sand blasting machine shell, and one end of the sand blasting pipe penetrates through the sand blasting machine shell, extends to the outside of the sand blasting machine shell and is connected with a sand blasting nozzle. A grinding material supply assembly is arranged at the top of the sand blasting machine shell, a detachable wear-resistant lining assembly is arranged in the sand blasting pipe, and the wear-resistant lining assembly comprises two groups of semicircular tubular arc-shaped lining plates; according to the sand blasting pipe, the detachable arc-shaped lining plate is additionally arranged in a traditional sand blasting pipe, grinding materials can wash the inner wall of the arc-shaped lining plate when flowing, the sand blasting pipe cannot be abraded, the normal service life of the sand blasting machine can be prolonged, the arc-shaped lining plate in the device is detachably arranged, and the sand blasting pipe is convenient to use. And the arc-shaped lining plate is fixed in the inner cavity of the sand blasting pipe through the plug, so that the arc-shaped lining plate can be replaced by directly disassembling the plug during disassembly and replacement, and the maintenance is relatively convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of sandblasting machines, in particular to a sandblasting machine with a wear-resistant structure. Background Art

[0002] The sand blasting machine uses compressed air to transport powdered granular materials from one place to another in a pipeline. In the process of converting kinetic energy into potential energy, the high-speed moving sand particles scour the surface of the object, thereby improving the surface quality of the object.

[0003] The Chinese patent with the publication number of CN216803034U discloses a wet dust-free handheld automatic sandblasting machine, including a sandblasting machine housing, the interior of the sandblasting machine housing is fixedly connected with an L-shaped sandblasting tube, the bottom of the sandblasting machine housing is fixedly connected with an air pressure connecting pipe, the air pressure connecting pipe is connected with the lower end of the L-shaped sandblasting tube vertical pipe, the upper surface of the sandblasting machine housing is fixedly connected with a storage box, the lower surface of the storage box is fixedly connected with a feed pipe that runs through the upper side of the sandblasting machine housing and is connected with the upper side of the L-shaped sandblasting tube, and the interior of the feed pipe is provided with a control mechanism. Through the setting of the control device, the feed pipe is always in an open state, avoiding the problem that the operator needs to press the valve all the time to perform sandblasting, avoiding the operator's finger numbness, reducing the operator's labor intensity, and making the injection amount of the sandblasting machine always in a stable state, ensuring the rust removal efficiency on the surface of the ship.

[0004] The sandblasting machine involved in the above patent does not have a wear-resistant structure inside the sandblasting tube. Long-term use of abrasives will cause wear on the inner wall of the sandblasting tube. Therefore, we need to propose a sandblasting machine with a wear-resistant structure. Utility Model Content

[0005] The utility model aims to provide a sandblasting machine with a wear-resistant structure, which has the advantage of being able to provide wear-resistant protection for the inner wall of the sandblasting tube of the sandblasting machine, so as to solve the problems raised in the above-mentioned background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides a sandblasting machine with a wear-resistant structure, comprising a sandblasting machine housing, a sandblasting tube installed inside the sandblasting machine housing, one end of the sandblasting tube penetrates the sandblasting machine housing and extends to the outside of the sandblasting machine housing and is connected to a sandblasting nozzle, an abrasive feeding assembly is provided on the top of the sandblasting machine housing, a detachable wear-resistant lining assembly is provided inside the sandblasting tube, the wear-resistant lining assembly comprises two groups of semicircular tubular arc lining plates, a clamping assembly is provided at the connection of the two groups of the arc lining plates, the two groups of the arc lining plates are clamped together by the clamping assembly, and a limiting assembly for limiting the position of the two groups of the arc lining plates is provided between the surface of the two groups of the arc lining plates and the inner wall of the sandblasting tube.

[0007] Preferably, the snap-fit ​​assembly comprises snap-fit ​​protrusions and snap-fit ​​grooves which are provided at the connection between the two groups of arc-shaped inner lining plates, and the snap-fit ​​protrusions and snap-fit ​​grooves are staggered.

[0008] Preferably, the limiting assembly includes a limiting rod fixedly mounted on the inner wall of the sandblasting tube, the surface of the arc-shaped inner lining plate is provided with a limiting groove matched with the limiting rod, and the inner wall of the limiting groove is slidably connected to the surface of the limiting rod.

[0009] Preferably, one end of the sandblasting tube is threadedly connected with a plug for fixing the arc-shaped inner lining plate to the inner cavity of the sandblasting tube, and one side of the plug is connected to a water supply pipe.

[0010] Preferably, the abrasive feeding assembly includes a feeding box arranged above the sandblasting machine housing, the bottom of the feeding box is fixedly connected to a support block, the bottom of the support block is fixedly connected to the top of the sandblasting machine housing, the bottom of the feeding box is connected to a feeding pipe, the bottom end of the feeding pipe passes through the sandblasting machine housing and the sandblasting pipe in sequence and is connected to the surface of a group of the arc-shaped inner lining plates located above, and a control valve is installed on the feeding pipe.

[0011] Preferably, the top of the feed box is connected to a feeding pipe, and a pipe cover is installed on the top of the feeding pipe.

[0012] Preferably, a handle is integrally formed at the bottom of the sandblasting machine housing, and an air pressure connecting pipe is provided at the bottom of the handle. The top end of the air pressure connecting pipe passes through the handle and the sandblasting machine housing in sequence and is connected to the bottom of the sandblasting pipe.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] The utility model adds a detachable arc-shaped inner lining plate to the traditional sandblasting tube. When the abrasive flows, it will wash the inner wall of the arc-shaped inner lining plate without causing wear to the sandblasting tube, thereby improving the normal service life of the sandblasting machine. In addition, the arc-shaped inner lining plate in the device is detachably arranged and is fixed to the inner cavity of the sandblasting tube by a plug. When disassembling and replacing, the arc-shaped inner lining plate can be replaced by directly removing the plug, which is convenient for maintenance. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the structure of the utility model;

[0016] Figure 2 This is a front view structural schematic diagram of the utility model;

[0017] Figure 3 This is a schematic diagram of the installation structure of the sandblasting tube of the utility model;

[0018] Figure 4This is a schematic diagram of the structure inside the sandblasting tube of the utility model;

[0019] Figure 5 For this utility model Figure 4 Enlarged view of point A in the middle.

[0020] In the figure: 1. Sandblasting machine housing; 2. Sandblasting tube; 3. Sandblasting nozzle; 4. Arc-shaped inner lining plate; 5. Snap-in protrusion; 6. Snap-in groove; 7. Limit rod; 8. Limit groove; 9. Plug; 10. Water supply pipe; 11. Feed box; 12. Support block; 13. Feed pipe; 14. Control valve; 15. Feeding pipe; 16. Pipe cover; 17. Handle; 18. Air pressure connecting pipe. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] See also Figure 1-Figure 5 The utility model provides a sandblasting machine with a wear-resistant structure, including a sandblasting machine housing 1, a sandblasting tube 2 is installed inside the sandblasting machine housing 1, one end of the sandblasting tube 2 penetrates the sandblasting machine housing 1 and extends to the outside of the sandblasting machine housing 1 and is connected with a sandblasting nozzle 3, an abrasive feeding assembly is provided on the top of the sandblasting machine housing 1, the abrasive feeding assembly includes a feeding box 11 arranged above the sandblasting machine housing 1, the bottom of the support block 12 is fixedly connected to the top of the sandblasting machine housing 1, the bottom of the feeding box 11 is connected with a feeding tube 13, the bottom end of the feeding tube 13 sequentially penetrates the sandblasting machine housing 1 and the sandblasting tube 2 and is connected with the surface of a group of arc-shaped inner lining plates 4 located above, and a control valve 14 is matched with the feeding tube 13.

[0023] In this embodiment, the abrasive required for the operation of the sandblasting machine is stored in the feed box 11. During sandblasting, the feed pipe 13 can be opened by the control valve 14 so that the abrasive in the feed box 11 enters the sandblasting tube 2 through the feed pipe 13.

[0024] Preferably, the top of the feed box 11 is connected to a feeding pipe 15, the top of the feeding pipe 15 is installed with a pipe cover 16, the bottom of the feed box 11 is fixedly connected to a support block 12, the bottom of the sandblasting machine housing 1 is integrally formed with a handle 17, the bottom of the handle 17 is provided with an air pressure connecting pipe 18, the top of the air pressure connecting pipe 18 passes through the handle 17 and the sandblasting machine housing 1 in sequence and is connected to the bottom of the sandblasting pipe 2.

[0025] By setting the feeding tube 15, the user can add abrasives to the inside of the feed box 11 through the feeding tube 15, and the feeding tube 15 can be blocked by the setting of the tube cover 16 to prevent external dust or debris from entering the inside of the feed box 11 through the feeding tube 15, and can also prevent the abrasive inside the feed box 11 from leaking out of the feeding tube 15 due to factors such as tilting when using the device. By setting the support block 12, it can be used in conjunction with the feeding tube 13 to install and fix the feeding box 11 on the top of the sandblasting machine housing 1, and by setting the air pressure connecting tube 18, the high-speed airflow required for sandblasting can be introduced into the inside of the sandblasting tube 2.

[0026] Among them, a detachable wear-resistant lining assembly is arranged inside the sandblasting tube 2, and the wear-resistant lining assembly includes two groups of semi-circular tubular arc-shaped lining plates 4, and a clamping assembly is arranged at the connection of the two groups of arc-shaped lining plates 4. The two groups of arc-shaped lining plates 4 are clamped together by the clamping assembly, and the clamping assembly includes a clamping protrusion 5 and a clamping groove 6 opened at the connection of the two groups of arc-shaped lining plates 4, and the clamping protrusion 5 and the clamping groove 6 are staggered.

[0027] By adding a detachable arc-shaped inner lining plate 4 to the sandblasting tube 2, the abrasive will wash the inner wall of the arc-shaped inner lining plate 4 when flowing, without causing wear to the sandblasting tube 2, thereby improving the normal service life of the sandblasting machine, and the arc-shaped inner lining plate 4 in the device is detachable, and can be disassembled and replaced when it is severely worn. In this embodiment, two groups of arc-shaped inner lining plates 4 are clamped together by a clamping assembly, so that they are installed as a whole inside the sandblasting tube 2.

[0028] It is worth mentioning that one end of the sandblasting tube 2 is threadedly connected to a plug 9 for fixing the arc-shaped inner lining plate 4 in the inner cavity of the sandblasting tube 2, and one side of the plug 9 is connected to a water supply pipe 10. After inserting the arc-shaped inner lining plate 4 into the inner cavity of the sandblasting tube 2, the user can twist the plug 9 to fix the arc-shaped inner lining plate 4 in the inner cavity of the sandblasting tube 2. The setting of the water supply pipe 10 can supply water for the operation of the sandblasting machine.

[0029] Furthermore, a limiting assembly for limiting the position of the two groups of arc-shaped inner lining plates 4 and the inner wall of the sandblasting tube 2 is provided between the surface thereof, and the limiting assembly includes a limiting rod 7 fixedly mounted on the inner wall of the sandblasting tube 2, and a limiting groove 8 matched with the limiting rod 7 is opened on the surface of the arc-shaped inner lining plate 4, and the inner wall of the limiting groove 8 is slidably connected to the surface of the limiting rod 7.

[0030] In this embodiment, the limiting component is provided to limit the arc-shaped inner lining plate 4. A through hole compatible with the feed pipe 13 is opened on the surface of a group of arc-shaped inner lining plates 4 located above. When it is installed inside the sandblasting tube 2, the limiting groove 8 will be stuck on the surface of the limiting rod 7, so that it can be inserted into the inner cavity of the sandblasting tube 2 at a fixed angle, thereby aligning the through hole with the feed pipe 13.

[0031] 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 sandblasting machine with a wear-resistant structure, comprising a sandblasting machine housing (1), a sandblasting tube (2) installed inside the sandblasting machine housing (1), one end of the sandblasting tube (2) passing through the sandblasting machine housing (1) and extending to the outside of the sandblasting machine housing (1) and connected to a sandblasting nozzle (3), and an abrasive feeding assembly is provided on the top of the sandblasting machine housing (1). Features: The interior of the sandblasting tube (2) is provided with a detachable wear-resistant lining assembly, and the wear-resistant lining assembly includes two groups of semi-circular tubular arc-shaped lining plates (4), and a clamping assembly is provided at the connection between the two groups of arc-shaped lining plates (4). The two groups of arc-shaped lining plates (4) are clamped together by the clamping assembly, and a limiting assembly for limiting the surface of the two groups of arc-shaped lining plates (4) and the inner wall of the sandblasting tube (2) is provided between them.

2. A sandblasting machine with a wear-resistant structure according to claim 1, Features: The clamping assembly comprises a clamping protrusion (5) and a clamping groove (6) which are arranged at the connection between the two groups of arc-shaped inner lining plates (4); the clamping protrusion (5) and the clamping groove (6) are arranged in a staggered manner.

3. A sandblasting machine with a wear-resistant structure according to claim 1, Features: The limiting assembly comprises a limiting rod (7) fixedly mounted on the inner wall of the sandblasting tube (2); a limiting groove (8) matching the limiting rod (7) is provided on the surface of the arc-shaped inner lining plate (4); and the inner wall of the limiting groove (8) is slidably connected to the surface of the limiting rod (7).

4. A sandblasting machine with a wear-resistant structure according to claim 1, Features: One end of the sandblasting tube (2) is threadedly connected to a plug (9) for fixing the arc-shaped inner lining plate (4) to the inner cavity of the sandblasting tube (2), and one side of the plug (9) is connected to a water supply pipe (10).

5. A sandblasting machine with a wear-resistant structure according to claim 1, Features: The abrasive feeding assembly comprises a feeding box (11) arranged above the sandblasting machine housing (1); the bottom of the feeding box (11) is fixedly connected to a support block (12); the bottom of the support block (12) is fixedly connected to the top of the sandblasting machine housing (1); the bottom of the feeding box (11) is connected to a feeding pipe (13); the bottom end of the feeding pipe (13) passes through the sandblasting machine housing (1) and the sandblasting pipe (2) in sequence and is connected to the surface of a group of arc-shaped inner lining plates (4) located above; and a control valve (14) is installed on the feeding pipe (13).

6. A sandblasting machine with a wear-resistant structure according to claim 5, Features: The top of the material supply box (11) is connected to a feeding pipe (15), and a pipe cover (16) is installed on the top of the feeding pipe (15).

7. A sandblasting machine with a wear-resistant structure according to claim 1, Features: A handle (17) is integrally formed at the bottom of the sandblasting machine housing (1), and a pneumatic connecting pipe (18) is provided at the bottom of the handle (17). The top end of the pneumatic connecting pipe (18) passes through the handle (17) and the sandblasting machine housing (1) in sequence and is connected to the bottom of the sandblasting pipe (2).

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