Gas blasting type sand screen analyzer

Abstract

The utility model discloses an air blast type sand screen analyzer which comprises a fixed base and an upper cover, a buffer device is installed on the right portion of the upper end of the fixed base, three screening devices are installed at the upper end of the buffer device, an air jet device is installed on the right portion of the upper end of the fixed base, and a connecting base is installed in the middle of the upper end of the upper cover. A connecting groove is formed in the middle of the upper end of the connecting base, and the upper cover is installed at the upper end of the screening device. According to the gas blasting type sand screen analyzer, the mounting rack on the screening device is connected in a clamping manner, and the screen in the mounting rack is also clamped in the mounting rack through the clamping groove, so that the mounting rack and the screen are convenient to mount and dismount, and meanwhile, due to the splicing design of the device, the device is convenient to carry; according to the sand screening device, air is blown to the mounting frame through the air pump, then sand is screened, and through the air blowing mode, compared with sand screening through swinging of an eccentric motor, shaking borne by the device is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of sand screens, in particular to an air-jet sand screen analyzer. Background Art

[0002] Sand is often used to make building materials such as concrete, mortar and gravel, and is used in building structures, roads, bridges and other construction projects. Therefore, sand is widely used in construction, civil engineering and industrial fields. However, the use of sand in engineering requires the determination of relevant technical indicators, among which the determination of sand particle gradation through sieve analysis is a necessary condition, so sand screening is particularly important.

[0003] However, most of the existing sand screening analyzers are made by connecting multiple circular frame screens together in the order of decreasing screen hole diameter from top to bottom, covering the top of the multiple circular frame screens with screen covers, and connecting a sand-proof disc at the bottom, and finally using an eccentric motor to swing the sand screen to complete the sand screening. The device is not only easily affected by vibration, causing the screen to shake and deviate easily, affecting the stability of the device, but also the installation and removal of the screen is relatively inconvenient. In summary, the existing sand screening analyzers still have the following problems:

[0004] The sand is screened by swinging an eccentric motor. The device is not only easily affected by vibration, causing the screen to shake and deviate easily, affecting the stability of the device, but also the installation and removal of the screen is inconvenient. Utility Model Content

[0005] The main purpose of the utility model is to provide an air-jet sand screening analyzer, which can effectively solve the problems in the background technology.

[0006] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0007] The air-jet sand screening analyzer comprises a fixed base and an upper cover, wherein a buffer device is installed on the upper right part of the fixed base, three screening devices are installed on the upper end of the buffer device, an air jet device is installed on the upper right part of the fixed base, a connecting seat is installed on the middle part of the upper end of the upper cover, a connecting groove is opened on the middle part of the upper end of the connecting seat, and the upper cover is installed on the upper end of the screening device.

[0008] Preferably, the screening device includes a mounting frame and a supporting frame, a clamping plate is installed at the front and rear of the lower end of the mounting frame, a No. 1 mounting slot is opened at the front and rear of the upper end of the mounting frame, a handle is installed at the middle of the left end and the middle of the right end of the mounting frame, two clamping slots are opened on the left inner wall and the right inner wall of the mounting frame, a screen is installed at the upper end of the supporting frame, the supporting frame is installed at the upper end of the mounting frame through the clamping slot, and the mounting frame is installed at the upper end of the buffer device through the clamping plate. Since multiple mounting frames are connected by clamping, and the screen in the mounting frame is also clamped in the mounting frame through the clamping slot, it is not only convenient for the installation and disassembly of the mounting frame and the screen, but also the splicing design of the device makes it easy to carry the device.

[0009] Preferably, the buffer device includes a support seat, the front and rear upper ends of the support seat can be provided with a second installation slot, the upper right end of the support seat is provided with a ventilation filter, the lower end of the support seat is provided with a plurality of spring shock absorbers, and the support seat is installed on the upper right end of the fixed base through the spring shock absorbers. By blowing air, the sand is sifted relative to the swing of the eccentric motor, which also reduces the shaking of the device. In addition, the spring shock absorber at the lower part of the support seat can also play a role of shock absorption and buffering, thereby effectively improving the stability of the device.

[0010] Preferably, the jet device comprises a support plate, an air pump is installed on the upper end of the support plate, a connecting pipe is installed at the front end of the air pump, and the support plate is installed at the upper left part of the fixed base. The connecting pipe is installed on the connecting seat through the connecting groove, and air is blown onto the mounting frame through the air pump to screen the sand.

[0011] Preferably, the No. 1 mounting slot is consistent with the size of the card plate and has corresponding positions up and down.

[0012] Preferably, a plurality of the spring shock absorbers are distributed at the lower end of the support seat in a rectangular array.

[0013] Compared with the prior art, the utility model has the following beneficial effects:

[0014] 1. First, the mounting frame on the screening device is connected to the support seat through the card plate at the lower end. At this time, the mounting frame can be stacked according to the needs of sand screening, and the handles on both sides of the mounting frame are also convenient for people to take the mounting frame. After the mounting frame is installed, the sand to be screened is inverted in the screen on the uppermost mounting frame. The holes on the screen become smaller from top to bottom. Then the upper cover is placed on the uppermost mounting frame to prevent the sand from floating out during screening. Finally, the connecting pipe on the jet device is installed on the connecting seat through the connecting groove, and air is blown onto the mounting frame through an air pump to screen the sand. Moreover, by blowing, the sand is swayed and screened relative to the eccentric motor, which also reduces the shaking of the device. In addition, the spring shock absorber at the bottom of the support seat can also play a shock-absorbing and buffering role.

[0015] 2. After the device has finished screening, pick up the upper cover. Since multiple mounting frames are connected by snap-on connection, and the screen in the mounting frame is also snap-on in the mounting frame through a card slot, it is not only convenient for the installation and disassembly of the mounting frame and the screen, but the splicing design of the device also makes it easy to carry. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the overall structure of the utility model air-jet sand screen analyzer;

[0017] Figure 2 It is a schematic diagram of the overall structure of the screening device of the air-jet sand screening analyzer of the utility model;

[0018] Figure 3 It is a schematic diagram of the overall structure of the buffer device of the air-jet sand screen analyzer of the utility model;

[0019] Figure 4 The utility model is a schematic diagram of the overall structure of the air jet device of the air jet sand screen analyzer.

[0020] In the figure: 1. fixed base; 2. screening device; 3. buffer device; 4. jet device; 5. upper cover; 6. connecting seat; 7. connecting slot; 20. mounting frame; 21. supporting frame; 22. card slot; 23. No. 1 mounting slot; 24. card plate; 25. handle; 26. screen; 30. supporting seat; 31. No. 2 mounting slot; 32. ventilation filter; 33. spring shock absorber; 40. supporting plate; 41. air pump; 42. connecting pipe. DETAILED DESCRIPTION

[0021] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0022] In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end", "the other end" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the 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 operate in a specific orientation, and therefore cannot be understood as a limitation on the present invention. In addition, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance.

[0023] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0024] like Figure 1-4 As shown, the air-jet sand screening analyzer comprises a fixed base 1 and an upper cover 5. A buffer device 3 is installed at the upper right part of the fixed base 1. Three screening devices 2 are installed at the upper end of the buffer device 3. An air jet device 4 is installed at the upper right part of the fixed base 1. A connecting seat 6 is installed at the middle part of the upper end of the upper cover 5. A connecting groove 7 is opened at the middle part of the upper end of the connecting seat 6. The upper cover 5 is installed at the upper end of the screening device 2.

[0025] The screening device 2 includes a mounting frame 20 and a support frame 21. A card plate 24 is installed at the front and rear of the lower end of the mounting frame 20. A No. 1 mounting groove 23 is opened at the front and rear of the upper end of the mounting frame 20. A handle 25 is installed at the middle of the left end and the middle of the right end of the mounting frame 20. Two card slots 22 are opened on the left inner wall and the right inner wall of the mounting frame 20. A screen 26 is installed at the upper end of the support frame 21. The support frame 21 is installed at the upper end of the mounting frame 20 through the card slot 22. The mounting frame 20 is installed at the upper end of the buffer device 3 through the card plate 24. The No. 1 mounting groove 23 is consistent in size with the card plate 24 and corresponds in position up and down. Since multiple mounting frames 20 are connected by card connection, in addition, the screen 26 in the mounting frame 20 is also carded in the mounting frame 20 through the card slot 22, which not only facilitates the installation and disassembly of the mounting frame 20 and the screen 26, but also the design of the device splicing makes it easy to carry the device.

[0026] The buffer device 3 includes a support seat 30, and the front and rear upper ends of the support seat 30 can be provided with a second installation groove 31, a ventilation filter 32 is installed at the upper right end of the support seat 30, and a plurality of spring shock absorbers 33 are installed at the lower end of the support seat 30. The support seat 30 is installed at the upper right end of the fixed base 1 through the spring shock absorbers 33; the plurality of spring shock absorbers 33 are distributed in a rectangular array at the lower end of the support seat 30. By blowing air, the shaking of the device is reduced relative to the swinging sand screening of the eccentric motor. In addition, the spring shock absorber 33 at the lower part of the support seat 30 can also play a role in shock absorption and buffering, thereby effectively improving the stability of the device.

[0027] The jet device 4 includes a support plate 40, an air pump 41 is installed on the upper end of the support plate 40, a connecting pipe 42 is installed at the front end of the air pump 41, and the support plate 40 is installed at the upper left part of the fixed base 1. The connecting pipe 42 is installed on the connecting seat 6 through the connecting groove 7, and air is blown onto the mounting frame 20 through the air pump 41, thereby screening the sand.

[0028] It should be noted that the utility model is an air-jet sand screening analyzer. First, the mounting frame 20 on the screening device 2 is clamped on the support seat 30 by the clamping plate 24 at the lower end. At this time, the mounting frame 20 can be stacked according to the need for sand screening, and the handles 25 on both sides of the mounting frame 20 are also convenient for people to take the mounting frame 20. When the mounting frame 20 is installed, the sand to be screened is inverted in the screen 26 on the uppermost mounting frame 20. The holes on the screen 26 become smaller from top to bottom. Then the upper cover 5 is placed on the uppermost mounting frame 20 to prevent the sand from floating out during screening. Finally, the connecting pipe on the jet device 4 is used to The channel 42 is installed on the connecting seat 6 through the connecting groove 7, and air is blown onto the mounting frame 20 through the air pump 41 to screen the sand. Moreover, the blowing method can reduce the shaking of the device relative to the swing of the eccentric motor. In addition, the spring shock absorber 33 at the lower part of the support seat 30 can also play a shock-absorbing and buffering role. Moreover, multiple mounting frames 20 are connected by snapping. In addition, the screen 26 in the mounting frame 20 is also snapped into the mounting frame 20 through the snap slot 22, which not only facilitates the installation and disassembly of the mounting frame 20 and the screen 26, but also the splicing design of the device makes it easy to carry the device.

[0029] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. An air jet sand screen analyzer, comprising a fixed base (1) and an upper cover (5), characterized in that: A buffer device (3) is installed on the right upper end of the fixed base (1), three screening devices (2) are installed on the upper end of the buffer device (3), an air injection device (4) is installed on the right upper end of the fixed base (1), a connecting seat (6) is installed in the middle of the upper end of the upper cover (5), a connecting groove (7) is opened in the middle of the upper end of the connecting seat (6), and the upper cover (5) is installed on the upper end of the screening device (2).

2. The air jet sand screening analyzer according to claim 1, characterized in that: The screening device (2) comprises a mounting frame (20) and a supporting frame (21); a clamping plate (24) is installed at the front and rear of the lower end of the mounting frame (20); a No. 1 mounting groove (23) is provided at the front and rear of the upper end of the mounting frame (20); a handle (25) is installed at the middle of the left end and the middle of the right end of the mounting frame (20); two clamping grooves (22) are provided on the left inner wall and the right inner wall of the mounting frame (20); a screen (26) is installed at the upper end of the supporting frame (21); the supporting frame (21) is installed at the upper end of the mounting frame (20) through the clamping groove (22); and the mounting frame (20) is installed at the upper end of the buffer device (3) through the clamping plate (24).

3. The air jet sand screening analyzer according to claim 1, characterized in that: The buffer device (3) comprises a support seat (30), the front and rear upper ends of the support seat (30) can be provided with a second installation groove (31), the upper right end of the support seat (30) is provided with a ventilation filter (32), the lower end of the support seat (30) is provided with a plurality of spring shock absorbers (33), and the support seat (30) is installed on the upper right end of the fixed base (1) through the spring shock absorbers (33).

4. The air jet sand screening analyzer according to claim 1, characterized in that: The jetting device (4) comprises a support plate (40), an air pump (41) is installed on the upper end of the support plate (40), a connecting pipe (42) is installed at the front end of the air pump (41), and the support plate (40) is installed on the upper left part of the fixed base (1).

5. The air jet sand screening analyzer according to claim 2, characterized in that: The No. 1 installation groove (23) and the clamping plate (24) have the same size and are located in corresponding positions.

6. The air jet sand screening analyzer according to claim 3, characterized in that: A plurality of spring shock absorbers (33) are distributed at the lower end of the support seat (30) in a rectangular array.

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