Sand recovery device and sand blasting machine

Abstract

The utility model discloses a sand material recovery device and a sand blasting machine. The sand material recovery device comprises a rack, a collecting hopper, a pushing frame, a driving device and a plurality of scraper blade assemblies, the collecting hopper is arranged on the rack, has a material pushing direction A and is used for receiving sand materials; the pushing frame is arranged on the collecting hopper; the scraper blade assemblies are rotationally arranged on the pushing frame and are arranged at intervals in the pushing direction A; the driving device is arranged on the rack, is connected with the pushing frame and is used for driving the pushing frame to do reciprocating motion in the material pushing direction A, so that the scraper plate assembly pushes the sand in the material collecting hopper forwards in the material pushing direction A one by one; by means of the structure, sand in the collecting hopper can be pushed and collected in the material pushing direction A, and the sand pushing device is suitable for a long recycling device, meets the using requirement of a large sand blasting machine and has very good practicability.

Description

Technical Field

[0001] The utility model relates to the field of sandblasting machines, in particular to a sand material recovery device and a sandblasting machine. Background Art

[0002] A sandblasting machine is a mechanical cleaning device that uses gas power to transport sand particles to perform work. It has very important applications in various fields. A sandblasting machine usually includes a sandblasting tank, gas pipelines, sandblasting pipelines, valves and other structures. When working, a sandblasting gun is used to sandblast the workpiece, and the sand used for sandblasting is recovered and reused.

[0003] The body length of a large sandblasting machine can usually reach more than ten meters, and the corresponding sand recovery device is also more than ten meters long. The sand recovery device of the existing sandblasting machine is only a recovery box connected to the elevator. The used sand falls directly into the recovery box and is then sent to the elevator to circulate back to the sandblasting machine. The sand recovery device of this structure is only suitable for small sandblasting machines. In some large and long sandblasting machines, there are many inconveniences. Not only do multiple recovery boxes need to be set up, but there is also a situation where sand remains in the recovery box. Therefore, an sand recovery device and a sandblasting machine are urgently needed to solve the above problems. Utility Model Content

[0004] The utility model aims to solve at least one of the technical problems existing in the prior art. To this end, the utility model provides a sand material recovery device and a sand blasting machine.

[0005] The technical solution adopted by an embodiment of the utility model to solve the technical problem is: a sand recovery device, including a frame, a collecting hopper, a pushing frame, a driving device and a plurality of scraper assemblies;

[0006] The collecting hopper is arranged on the frame and has a pushing direction A, and is used to receive the sand material;

[0007] The pushing frame is arranged on the collecting hopper;

[0008] The scraper assembly is rotatably arranged on the pushing frame and is arranged at intervals along the pushing direction A;

[0009] The driving device is arranged on the frame and connected with the pushing frame, and is used for driving the pushing frame to reciprocate along the pushing direction A, so that the scraper assembly pushes the sand material in the collecting hopper forward along the pushing direction A one by one.

[0010] As one of the preferred embodiments of the utility model, a sand recovery device also includes a first rotating sleeve rotatably connected to one side of the pushing frame and a second rotating sleeve rotatably connected to the other side of the pushing frame, and the two ends of the scraper assembly are rotatably connected to the first rotating sleeve and the second rotating sleeve respectively.

[0011] As one of the preferred embodiments of the utility model, a sand recovery device also includes a third rotating sleeve rotatably connected to one side of the pushing rack and a fourth rotating sleeve rotatably connected to the other side of the pushing rack, the third rotating sleeve is arranged opposite to the first rotating sleeve and abuts against the scraper assembly, and the fourth rotating sleeve is arranged opposite to the second rotating sleeve and abuts against the scraper assembly.

[0012] As one of the preferred embodiments of the utility model, the scraper assembly includes a connecting frame and an elastic scraper strip installed on the connecting frame. The elastic scraper strip can scrape the sand material along the pushing direction A when the pushing frame moves forward, or pass over the sand material at the rear end when the pushing frame moves backward.

[0013] As one of the preferred embodiments of the utility model, the elastic scraper strip is configured as a rubber strip.

[0014] As one of the preferred embodiments of the utility model, a balanced sliding assembly is provided between the pushing frame and the collecting hopper.

[0015] As one of the preferred embodiments of the utility model, the balanced sliding assembly includes a support frame, a balance bar, a first pulley and a second pulley. The support frame is installed on the collecting hopper, the middle section of the balance bar is rotatably connected to the support frame, the first pulley is rotatably connected to one end of the balance bar, the second pulley is rotatably connected to the other end of the balance bar, and the pushing frame is supported on the first pulley and the second pulley.

[0016] As one of the preferred embodiments of the utility model, a sand recovery device also includes a screen disposed on a frame and located above a collecting hopper, and a pushing frame is disposed between the screen and the collecting hopper.

[0017] As one of the preferred embodiments of the present utility model, the driving device is configured as a cylinder.

[0018] A sandblasting machine comprises the sand material recovery device.

[0019] The beneficial effects of the utility model include: a sand material recovery device and a sand blasting machine, the sand material recovery device comprises a frame, a collecting hopper, a pushing frame, a driving device and a plurality of scraper assemblies; the collecting hopper is arranged on the frame and has a pushing direction A for receiving sand materials; the pushing frame is arranged on the collecting hopper; the scraper assemblies are rotatably arranged on the pushing frame and are arranged at intervals along the pushing direction A; the driving device is arranged on the frame and connected to the pushing frame, and is used to drive the pushing frame to reciprocate along the pushing direction A, so that the scraper assembly pushes the sand materials in the collecting hopper forward one by one along the pushing direction A; through the above structure, the sand materials in the collecting hopper can be pushed and collected along the pushing direction A, which is suitable for a longer recovery device, meets the use requirements of a large sand blasting machine, and has very good practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] The above and / or additional aspects and advantages of the present invention will become apparent and easily understood from the description of the embodiments in conjunction with the following drawings, in which:

[0021] Figure 1 is an exploded view of a sand recovery device;

[0022] Figure 2 for Figure 2 A partial enlarged view of the middle B area;

[0023] Figure 3 An exploded view of the scraper assembly. DETAILED DESCRIPTION

[0024] This section will describe in detail the specific embodiments of the utility model. The preferred embodiments of the utility model are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the utility model, but it cannot be understood as a limitation on the protection scope of the utility model.

[0025] In the description of the present utility model, the meaning of "more than" is more than two, "greater than", "less than", "exceed" etc. are understood to exclude the number itself, and "above", "below", "within" etc. are understood to include the number itself. If there is a description of "first" or "second", it is only used for the purpose of distinguishing technical features, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features or implicitly indicating the order of the indicated technical features.

[0026] In the description of the present invention, it should be understood that descriptions involving orientation, such as up, down, front, back, left, right, etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0027] In the present invention, unless otherwise clearly defined, the words "set", "install", "connect" and the like should be understood in a broad sense, for example, they can be directly connected or indirectly connected through an intermediate medium; they can be fixedly connected or detachably connected or integrally formed; they can be mechanically connected; they can be the internal connection of two elements or the interaction relationship between two elements. Those skilled in the art can reasonably determine the specific meanings of the above words in the present invention in combination with the specific content of the technical solution.

[0028] Reference Figures 1 to 3 , a sand material recovery device, comprising a frame 10, a collecting hopper 20, a pushing frame 30, a driving device 40 and a plurality of scraper assemblies 50;

[0029] The collecting hopper 20 is arranged on the frame 10 and has a pushing direction A, and is used to receive the sand material;

[0030] The pushing frame 30 is arranged on the collecting hopper 20;

[0031] The scraper assembly 50 is rotatably disposed on the pushing frame 30 and is arranged at intervals along the pushing direction A;

[0032] The driving device 40 is disposed on the frame 10 and connected to the pushing frame 30 , and is used to drive the pushing frame 30 to reciprocate along the pushing direction A, so that the scraper assembly 50 pushes the sand material in the collecting hopper 20 forward along the pushing direction A one by one.

[0033] In the present invention, the sand recovery device is installed in the sandblasting machine and connected between the sand material discharge port of the sandblasting machine and the input end of the elevator, and can send the collected sand material into the elevator, and then be transported to the sandblasting gun for recycling via the elevator; specifically, the sand material used by the sandblasting machine falls into the collecting hopper 20 through the discharge port, and the pushing frame 30 is driven by the driving device 40 to reciprocate along the pushing direction A in the collecting hopper 20. In one movement process, the plurality of scraper assemblies 50 are driven by the pushing frame 30 to first move forward along the pushing direction A, so that the scraper assemblies 50 The sand in the collecting hopper 20 is scraped and moved forward, and then, the multiple scraper assemblies 50 are driven by the pushing frame 30 to move backward along the pushing direction A, so that the scraper assembly 50 passes over the sand behind the scraper assembly 50 and returns to its original position, and then the next movement process is started, and finally the sand is moved forward one by one until it is sent to the elevator; the advantage of the utility model is that: through the above-mentioned structure, the sand in the collecting hopper can be pushed and collected along the pushing direction A, which is suitable for a longer recovery device, meets the use requirements of a large sandblasting machine, and has very good practicality.

[0034] In one embodiment, a sand recovery device also includes a first rotating sleeve 61 rotatably connected to one side of a pushing frame 30 and a second rotating sleeve 62 rotatably connected to the other side of the pushing frame 30, and both ends of the scraper assembly 50 are rotatably connected to the first rotating sleeve 61 and the second rotating sleeve 62 respectively; in this embodiment, the scraper assembly 50 and the first rotating sleeve 61 and the second rotating sleeve 62, the first rotating sleeve 61 and the pushing frame 30, and the second rotating sleeve 62 and the pushing frame 30 are all rotatably connected, that is, the scraper assembly 50 and the pushing frame 30 have a double rotatable connection, thereby avoiding the failure of one of the rotations due to reasons such as sand falling in.

[0035] In one embodiment, a sand recovery device also includes a third rotating sleeve 63 rotatably connected to one side of the pushing frame 30 and a fourth rotating sleeve 64 rotatably connected to the other side of the pushing frame 30. The third rotating sleeve 63 is arranged opposite to the first rotating sleeve 61 and abuts against the scraper assembly 50. The fourth rotating sleeve 64 is arranged opposite to the second rotating sleeve 62 and abuts against the scraper assembly 50. This arrangement can further improve the rotation smoothness of the scraper assembly 50.

[0036] As a preferred embodiment of the scraper assembly 50, the scraper assembly 50 includes a connecting frame 51 and an elastic scraper strip 52 installed on the connecting frame 51. The elastic scraper strip 52 can scrape the sand material and move along the pushing direction A when the pushing frame 30 moves forward, or pass over the sand material at the rear end when the pushing frame 30 moves backward; the elastic scraper strip 52 relies on its own deformation to achieve the scraping of the sand material during reciprocating motion.

[0037] As a preferred embodiment of the elastic scraper strip 52, the elastic scraper strip 52 is configured as a rubber strip.

[0038] In one embodiment, a balancing sliding assembly 70 is arranged between the pushing frame 30 and the collecting hopper 20; preferably, the balancing sliding assembly 70 includes a support frame 71, a balance bar 72, a first pulley 73 and a second pulley 74, the support frame 71 is installed on the collecting hopper 20, the middle section of the balance bar 72 is rotatably connected to the support frame 71, the first pulley 73 is rotatably connected to one end of the balance bar 72, the second pulley 74 is rotatably connected to the other end of the balance bar 72, and the pushing frame 30 is supported on the first pulley 73 and the second pulley 74; this arrangement can avoid the non-parallelism of the pushing frame 30 due to its excessive length. Furthermore, the pushing frame 30 can be arranged to be segmented, and each segment is connected to the collecting hopper 20 through the balancing sliding assembly 70.

[0039] A sand material recovery device also includes a screen 80 arranged on a frame 10 and located above a collecting hopper 20, and a push frame 30 is arranged between the screen 80 and the collecting hopper 20; it is used to filter the remaining workpiece material dropped by the high-speed impact of the sandblasting gun to avoid clogging the subsequent pipelines.

[0040] As a preferred embodiment of the driving device 40, the driving device 40 is configured as a cylinder.

[0041] A sandblasting machine comprises the sand material recovery device.

[0042] Of course, the present invention is not limited to the above-mentioned embodiments, and technicians familiar with the field may make equivalent modifications or substitutions without violating the spirit of the present invention. These equivalent modifications and substitutions are all included in the scope defined by the claims of this application.

Claims

1. A sand recovery device, characterized in that: It comprises a frame (10), a collecting hopper (20), a pushing frame (30), a driving device (40) and a plurality of scraper assemblies (50); The collecting hopper (20) is arranged on the frame (10) and has a pushing direction A, and is used to receive sand materials; The pushing frame (30) is arranged on the collecting hopper (20); The scraper assembly (50) is rotatably disposed on the pushing frame (30) and is arranged at intervals along a pushing direction A; The driving device (40) is arranged on the frame (10) and connected to the pushing frame (30), and is used to drive the pushing frame (30) to reciprocate along a pushing direction A, so that the scraper assembly (50) pushes the sand material in the collecting hopper (20) forward one by one along the pushing direction A.

2. A sand recovery device according to claim 1, characterized in that: It also comprises a first rotating sleeve (61) rotatably connected to one side of the pushing frame (30) and a second rotating sleeve (62) rotatably connected to the other side of the pushing frame (30), and the two ends of the scraper assembly (50) are rotatably connected to the first rotating sleeve (61) and the second rotating sleeve (62) respectively.

3. A sand recovery device according to claim 2, characterized in that: It also includes a third rotating sleeve (63) rotatably connected to one side of the pushing frame (30) and a fourth rotating sleeve (64) rotatably connected to the other side of the pushing frame (30), the third rotating sleeve (63) being arranged opposite to the first rotating sleeve (61) and abutting against the scraper assembly (50), and the fourth rotating sleeve (64) being arranged opposite to the second rotating sleeve (62) and abutting against the scraper assembly (50).

4. The sand recovery device according to claim 1, characterized in that: The scraper assembly (50) comprises a connecting frame (51) and an elastic scraper strip (52) mounted on the connecting frame (51). The elastic scraper strip (52) can scrape sand material moving along a pushing direction A when the pushing frame (30) moves forward, or pass over sand material at the rear end when the pushing frame (30) moves backward.

5. A sand recovery device according to claim 4, characterized in that: The elastic scraper strip (52) is configured as a rubber strip.

6. The sand recovery device according to claim 1, characterized in that: A balanced sliding assembly (70) is provided between the pushing frame (30) and the collecting hopper (20).

7. The sand recovery device according to claim 6, characterized in that: The balanced sliding assembly (70) comprises a support frame (71), a balance bar (72), a first pulley (73) and a second pulley (74); the support frame (71) is mounted on the collecting hopper (20); the middle section of the balance bar (72) is rotatably connected to the support frame (71); the first pulley (73) is rotatably connected to one end of the balance bar (72); the second pulley (74) is rotatably connected to the other end of the balance bar (72); and the pushing frame (30) is supported on the first pulley (73) and the second pulley (74).

8. The sand recovery device according to claim 1, characterized in that: It also includes a screen (80) arranged on the frame (10) and located above the collecting hopper (20), and the pushing frame (30) is arranged between the screen (80) and the collecting hopper (20).

9. The sand recovery device according to claim 1, characterized in that: The driving device (40) is configured as a cylinder.

10. A sandblasting machine, characterized in that: The invention comprises the sand recovery device as described in any one of claims 1 to 9.

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