Fineness modulus adjusting equipment for dry-method sand making

Abstract

The utility model provides dry-method sand making fineness modulus adjusting equipment, and relates to the technical field of dry-method sand making, the dry-method sand making fineness modulus adjusting equipment comprises a machine body, a first sieve plate, a second sieve plate and a third sieve plate are arranged in the machine body, the bottom of the first sieve plate, the bottom of the second sieve plate and the bottom of the third sieve plate are respectively provided with an anti-blocking mechanism, and each anti-blocking mechanism comprises a rotating shaft. When the fineness modulus of sand is adjusted, the sand is poured into the machine body, the poured sand is subjected to multi-stage screening through the first screening plate, the second screening plate and the third screening plate, and then the driving motor is started, so that the rotating shaft drives the cam to rotate; the first sieve plate, the second sieve plate and the third sieve plate are driven to continuously move up and down in a reciprocating mode, the situation that sieve holes are blocked is avoided, sand can be screened through the device, the sieve plates are not prone to being blocked, the fineness modulus adjusting efficiency is improved, and therefore the practicability is enhanced.

Description

Technical Field

[0001] The utility model relates to the technical field of dry sand making, in particular to a dry sand making fineness modulus adjustment device. Background Art

[0002] As we all know, machine-made sand refers to sand processed by sand making machines and other ancillary equipment. The finished product is more regular and can be processed into sand of different rules and sizes according to different process requirements. It can better meet daily needs and has been widely used in the field of concrete configuration. When adjusting the fineness modulus of existing machine-made sand, it is necessary to use a horizontal screen or a drum screen to screen the sand material and screen out sand particles of different fineness moduli to meet the needs of different sand particles.

[0003] However, during the adjustment of the existing machine-made sand fineness modulus, it was found that the existing screening equipment was only a simple screening and could not perform graded screening to obtain sand particles of different fineness moduli at the same time. Moreover, during the screening process, the horizontal screen holes were prone to clogging, resulting in poor practicality. Utility Model Content

[0004] The purpose of the utility model is to solve the problem that the screening equipment in the prior art is only simple screening and cannot perform graded screening to simultaneously obtain sand particles with different fineness moduli, and that the screen holes of the horizontal screen are easily clogged during the screening process, and a dry sand making fineness modulus adjustment device is proposed.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a dry sand making fineness modulus adjustment device, including a machine body, a first sieve plate, a second sieve plate and a third sieve plate are arranged in the machine body, and the bottom of the first sieve plate, the second sieve plate and the third sieve plate are all provided with anti-blocking mechanisms, the anti-blocking mechanism includes a rotating shaft, the rotating shaft is rotatably connected to the machine body, the outer surface of the rotating shaft is fixedly sleeved with a cam, a driving motor is fixedly installed on one side of the machine body, the output end of the driving motor passes through the machine body and is fixedly connected to the rotating shaft, six rectangular grooves are opened on the inner side of the machine body, six fixing rods are fixedly connected in the six rectangular grooves, six return springs are sleeved on the outer surfaces of the six fixing rods, and six mounting blocks are sleeved on the outer surfaces of the six fixing rods, and a moving mechanism is arranged at the bottom of the machine body.

[0006] Preferably, the moving mechanism comprises a supporting leg, the supporting leg is fixedly connected to the bottom of the machine body, and a placement groove is provided at the bottom of the supporting leg.

[0007] Preferably, a pressure cylinder is provided in the placement groove, and an output end of the pressure cylinder is fixedly connected to a connection block.

[0008] Preferably, a telescopic rod is fixedly connected to the bottom of the connecting block, a shock-absorbing spring is sleeved on the outer surface of the telescopic rod, and a moving wheel is arranged at the bottom of the telescopic rod.

[0009] Preferably, the sieve holes of the first sieve plate are larger than the sieve holes of the second sieve plate, the sieve holes of the second sieve plate are larger than the sieve holes of the third sieve plate, the first sieve plate is fixedly connected to opposite sides of two of the mounting blocks, the second sieve plate is fixedly connected to opposite sides of the other two mounting blocks, and the third sieve plate is fixedly connected to opposite sides of the remaining two mounting blocks.

[0010] Preferably, a feed port is arranged on the top of the machine body, a protective cover is hingedly connected to the top of the feed port, and a first discharge port, a second discharge port, a third discharge port and a fourth discharge port are arranged on one side of the machine body.

[0011] Compared with the prior art, the advantages and positive effects of the utility model are:

[0012] 1. In the utility model, when adjusting the fineness modulus of the sand material, the sand material is first poured into the machine body, and the poured sand material is screened in multiple stages by providing the first screen plate, the second screen plate and the third screen plate, and then the driving motor is started to drive the cam to rotate with the rotating shaft, thereby driving the first screen plate, the second screen plate and the third screen plate to move up and down uninterruptedly to avoid the clogging of the sieve holes. Through this device, the sand material can be screened, and the screen plate is not easy to be blocked, thereby improving the adjustment efficiency of the fineness modulus and enhancing the practicality.

[0013] 2. In the utility model, a moving mechanism is provided and the pressure cylinder is started, so that the connecting block drives the moving wheel to move downward. When it moves to a certain position, the supporting legs are propped up, so as to facilitate pushing the equipment to move its position. At the same time, a shock-absorbing spring is provided. When the equipment is vibrated during movement, the elastic force of the shock-absorbing spring can play a buffering role, thereby increasing the service life of the moving wheel. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 The utility model provides a main structure stereogram of a dry sand making fineness modulus adjustment device;

[0015] Figure 2 The utility model provides a bottom side structural stereogram of a dry sand making fineness modulus adjustment device;

[0016] Figure 3 The utility model provides a sectional structural stereogram of a dry sand making fineness modulus adjustment device;

[0017] Figure 4 for Figure 3 Enlarged view of point A in the middle;

[0018] Figure 5 The utility model provides a three-dimensional diagram of the cross-sectional structure of a moving mechanism in a dry sand making fineness modulus adjustment device.

[0019] Legend: 1. Machine body; 2. First sieve plate; 3. Second sieve plate; 4. Third sieve plate; 5. Anti-blocking mechanism; 501. Rotating shaft; 502. Cam; 503. Driving motor; 6. Rectangular groove; 7. Fixing rod; 8. Reset spring; 9. Mounting block; 10. Moving mechanism; 110. Support leg; 120. Placement groove; 130. Pressure cylinder; 140. Connecting block; 150. Telescopic rod; 160. Shock-absorbing spring; 170. Moving wheel; 11. Feed port; 12. Protective cover; 13. First discharge port; 14. Second discharge port; 15. Third discharge port; 16. Fourth discharge port. DETAILED DESCRIPTION

[0020] In order to more clearly understand the above-mentioned purpose, features and advantages of the utility model, the utility model is further described below in conjunction with the accompanying drawings and embodiments. It should be noted that the embodiments of the present application and the features in the embodiments can be combined with each other without conflict.

[0021] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways than those described herein. Therefore, the present invention is not limited to the specific embodiments of the following disclosure.

[0022] Embodiment 1, as Figure 1 - Figure 5 As shown, the utility model provides a dry sand making fineness modulus adjustment device, including a body 1, in which a first sieve plate 2, a second sieve plate 3 and a third sieve plate 4 are arranged, and anti-blocking mechanisms 5 are arranged at the bottom of the first sieve plate 2, the second sieve plate 3 and the third sieve plate 4, and the anti-blocking mechanism 5 includes a rotating shaft 501, and the rotating shaft 501 is rotatably connected to the body 1, and a cam 502 is fixedly sleeved on the outer surface of the rotating shaft 501, and a driving motor 503 is fixedly installed on one side of the body 1, and the output end of the driving motor 503 passes through the body 1 and is fixedly connected to the rotating shaft 501, six rectangular grooves 6 are opened on the inner side of the body 1, and six fixing rods 7 are fixedly connected in the six rectangular grooves 6, and six return springs 8 are sleeved on the outer surfaces of the six fixing rods 7, and six mounting blocks 9 are sleeved on the outer surfaces of the six fixing rods 7, and a moving mechanism 10 is arranged at the bottom of the body 1.

[0023] The effect achieved by the entire embodiment 1 is that when adjusting the fineness modulus of the sand material, the sand material is first poured into the machine body 1, and the poured sand material is screened in multiple stages by providing the first sieve plate 2, the second sieve plate 3 and the third sieve plate 4, and then the driving motor 503 is started, so that the rotating shaft 501 drives the cam 502 to rotate, and then drives the first sieve plate 2, the second sieve plate 3 and the third sieve plate 4 to move up and down uninterruptedly to avoid clogging of the sieve holes. Through this device, the sand material can be screened, and the sieve plate is not prone to clogging, thereby improving the adjustment efficiency of the fineness modulus and enhancing practicality.

[0024] Embodiment 2, as Figure 1 - Figure 5 As shown, the mobile mechanism 10 includes a support leg 110, the support leg 110 is fixedly connected to the bottom of the body 1, a placement groove 120 is provided at the bottom of the support leg 110, a pressure cylinder 130 is arranged in the placement groove 120, the output end of the pressure cylinder 130 is fixedly connected to a connecting block 140, the bottom of the connecting block 140 is fixedly connected to a telescopic rod 150, the outer surface of the telescopic rod 150 is sleeved with a shock absorbing spring 160, and a moving wheel 170 is arranged at the bottom of the telescopic rod 150. The sieve hole of the first sieve plate 2 is larger than that of the second sieve plate 3. The sieve holes of the second sieve plate 3 are larger than the sieve holes of the third sieve plate 4. The first sieve plate 2 is fixedly connected to the opposite sides of two mounting blocks 9, the second sieve plate 3 is fixedly connected to the opposite sides of the other two mounting blocks 9, and the third sieve plate 4 is fixedly connected to the opposite sides of the remaining two mounting blocks 9. A feed port 11 is provided on the top of the body 1, and a protective cover 12 is hinged on the top of the feed port 11. A first discharge port 13, a second discharge port 14, a third discharge port 15 and a fourth discharge port 16 are provided on one side of the body 1.

[0025] The effect achieved by the entire embodiment 2 is that, by providing the moving mechanism 10 and starting the pressure cylinder 130, the connecting block 140 drives the moving wheel 170 to move downward, and when it moves to a certain position, the supporting leg 110 is propped up, so as to facilitate pushing the device to move its position, and at the same time, by providing the shock-absorbing spring 160, when the device is vibrated during the movement, it can play a buffering role under the elastic force of the shock-absorbing spring 160, thereby improving the service life of the moving wheel 170, and then by the sieve holes of the first sieve plate 2 being larger than the sieve holes of the second sieve plate 3, and the sieve holes of the second sieve plate 3 being larger than the sieve holes of the third sieve plate 4, it is convenient to grade and screen the sand material, and then by opening the protective cover 12, it is convenient to pour the sand material into the machine body 1 through the feed port 11, and then by providing the first discharge port 13, the second discharge port 14, the third discharge port 15 and the fourth discharge port 16, it is convenient to discharge the four groups of screened sand materials.

[0026] Working principle: When adjusting the fineness modulus of the sand material, first open the protective cover 12 and pour the sand material into the machine body 1 through the feed port 11. Since the sieve holes of the first sieve plate 2 are larger than the sieve holes of the second sieve plate 3, and the sieve holes of the second sieve plate 3 are larger than the sieve holes of the third sieve plate 4, the poured sand material is subjected to multi-stage screening. Then, by starting the drive motor 503, the rotating shaft 501 drives the cam 502 to rotate, thereby driving the first sieve plate 2, the second sieve plate 3 and the third sieve plate 4 to move back and forth up and down uninterruptedly to avoid blockage of the sieve holes. Through this device, the sand material can be screened, and the sieve plate is not prone to blockage, thereby improving the adjustment efficiency of the fineness modulus and enhancing practicality.

[0027] The above description is only a preferred embodiment of the present invention and does not limit the present invention in other forms. Any technician familiar with the profession may use the technical content disclosed above to change or modify it into an equivalent embodiment with equivalent changes and apply it to other fields. However, any simple modification, equivalent change and modification made to the above embodiment based on the technical essence of the present invention without departing from the content of the technical solution of the present invention still falls within the protection scope of the technical solution of the present invention.

Claims

1. A dry sand making fineness modulus adjustment device, comprising a body (1), characterized in that: The machine body (1) is provided with a first sieve plate (2), a second sieve plate (3) and a third sieve plate (4); the bottoms of the first sieve plate (2), the second sieve plate (3) and the third sieve plate (4) are all provided with anti-blocking mechanisms (5); the anti-blocking mechanisms (5) comprise a rotating shaft (501); the rotating shaft (501) is rotatably connected to the machine body (1); a cam (502) is fixedly sleeved on the outer surface of the rotating shaft (501); a driving motor (503) is fixedly mounted on one side of the machine body (1); an output end of the driving motor (503) passes through the machine body (1) and is fixedly connected to the rotating shaft (501); six rectangular grooves (6) are provided on the inner side of the machine body (1); six fixing rods (7) are fixedly connected in the six rectangular grooves (6); six return springs (8) are sleeved on the outer surfaces of the six fixing rods (7); six mounting blocks (9) are sleeved on the outer surfaces of the six fixing rods (7); and a moving mechanism (10) is provided at the bottom of the machine body (1).

2. The dry sand making fineness modulus adjustment device according to claim 1 is characterized in that: The moving mechanism (10) comprises a supporting leg (110), wherein the supporting leg (110) is fixedly connected to the bottom of the machine body (1), and a placement groove (120) is provided at the bottom of the supporting leg (110).

3. The dry sand making fineness modulus adjustment device according to claim 2 is characterized in that: A pressure cylinder (130) is disposed in the placement groove (120), and an output end of the pressure cylinder (130) is fixedly connected to a connection block (140).

4. The dry sand making fineness modulus adjustment device according to claim 3 is characterized in that: The bottom of the connection block (140) is fixedly connected to a telescopic rod (150), the outer surface of the telescopic rod (150) is sleeved with a shock absorbing spring (160), and the bottom of the telescopic rod (150) is provided with a moving wheel (170).

5. The dry sand making fineness modulus adjustment device according to claim 1 is characterized in that: The sieve holes of the first sieve plate (2) are larger than the sieve holes of the second sieve plate (3), the sieve holes of the second sieve plate (3) are larger than the sieve holes of the third sieve plate (4), the first sieve plate (2) is fixedly connected to opposite sides of two of the mounting blocks (9), the second sieve plate (3) is fixedly connected to opposite sides of the other two mounting blocks (9), and the third sieve plate (4) is fixedly connected to opposite sides of the remaining two mounting blocks (9).

6. The dry sand making fineness modulus adjustment device according to claim 1 is characterized in that: The top of the machine body (1) is provided with a feed port (11), the top of the feed port (11) is hingedly connected to a protective cover (12), and one side of the machine body (1) is provided with a first discharge port (13), a second discharge port (14), a third discharge port (15) and a fourth discharge port (16).

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