Multi-layer screen device for producing 3D printing silica sand

Abstract

The utility model relates to the technical field of screening equipment, in particular to a multi-layer screen device for producing 3D printing silica sand, which comprises a machine body, foot pads are fixedly connected to the lower surface of the machine body, a feed opening is fixedly connected to the surface of the machine body, a screen plate is inserted into the machine body, and a vibration motor is fixedly connected to the inner wall of the machine body. A positioning device is arranged on the surface of the machine body and comprises a guide plate, the guide plate is fixedly connected with the surface of the machine body, a guide groove is formed in the surface of the guide plate, a sliding block is slidably connected to the inner wall of the guide groove, a mounting block is fixedly connected to the surface of the sliding block, and an auxiliary device is arranged on the surface of the mounting block. According to the scheme, the replacement operation of the sieve plate is simplified, the maintenance difficulty of the sieve plate is reduced, when the sieve plate is blocked or has other faults, a user can carry out disassembly, assembly and maintenance operation in time, stable use of equipment is ensured, the production efficiency of the equipment is improved, and the economic loss of a producer is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of screening equipment, and in particular to a multi-layer screen device for producing 3D printing silica sand. Background Art

[0002] Silica sand, also known as silicon dioxide or quartz sand, is a refractory granular material with quartz as the main mineral component and a particle size of 0.020mm-3.350mm. It is divided into artificial silica sand and natural silica sand such as washed sand, scrubbed sand, and selected (flotation) sand according to different mining and processing methods. Silica sand is a hard, wear-resistant, chemically stable silicate mineral. Its main mineral component is SiO2. The color of silica sand is milky white or colorless and translucent. With the development of society, multi-layer screen devices are often used for screening operations in the production of 3D printing silica sand.

[0003] Prior art such as the utility model with publication number CN208321311U discloses a multi-layer screen device for a vibrating screen, including a base, a sliding plate, a first screen, and a material collection frame. The base is provided with a slide rail, the slide rail is provided with the material collection frame, the material collection frame is provided with a handle, the two sides of the material collection frame are provided with a first support column and a second support column, the first support column is provided with a first vibration motor on the side away from the material collection frame, the first vibration motor is provided with a first rotating shaft, the first rotating shaft is provided with a driving gear, the driving gear is provided with a driven gear, and the driven gear is provided with a transmission shaft. The beneficial effect is that the utility model can sequentially perform different degrees of screening through the first screen, the second screen, and the third screen, so that the efficiency is greatly improved. The utility model drives the first screen, the second screen, and the third screen respectively through the first vibration motor and the second vibration motor to improve the working efficiency, and the degree of automation is high.

[0004] The inventors have found in their daily work that most of the existing screen plates and screening equipment are tightly installed and have complex structures. When the screen plates are blocked or have other faults, it is difficult to quickly disassemble and maintain them, which affects the use of the equipment, reduces the production efficiency of the equipment, and increases the economic losses of the producers. Improvements are needed. Utility Model Content

[0005] The purpose of the utility model is to solve the shortcomings in the prior art that most sieve plates are tightly installed with the screening equipment, have a complex structure, and are difficult to quickly disassemble and maintain when the sieve plates are blocked or otherwise fail, which affects the use of the equipment, reduces the production efficiency of the equipment, and increases the economic losses of the producer. A multi-layer screen device for producing 3D printing silica sand is proposed to solve the problems.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a multi-layer screen device for producing 3D printing silica sand, comprising a body, a foot fixedly connected to the lower surface of the body, a feeding port fixedly connected to the surface of the body, a screen plate inserted inside the body, a vibration motor fixedly connected to the inner wall of the body, a positioning device provided on the surface of the body, the positioning device comprising a guide plate, the guide plate is fixedly connected to the surface of the body, a guide groove is provided on the surface of the guide plate, a slider is slidably connected to the inner wall of the guide groove, a mounting block is fixedly connected to the surface of the slider, and an auxiliary device is provided on the surface of the mounting block. This scheme simplifies the replacement operation of the screen plate and reduces the difficulty of maintaining the screen plate. When the screen plate is blocked or other faults occur, the user can promptly perform disassembly and maintenance operations to ensure the stable use of the equipment, improve the production efficiency of the equipment, and reduce the economic losses of the producer.

[0007] Preferably, an auxiliary plate is fixedly connected to the inner wall of the machine body, and one end of the sieve plate is inserted into the auxiliary plate, so as to facilitate the positioning operation of the sieve plate and reduce the leakage of materials.

[0008] Preferably, a protrusion is fixedly connected to the side of the sieve plate away from the machine body, and the protrusion can be pulled to take out the sieve plate and use the auxiliary equipment.

[0009] Preferably, a connecting rod is slidably connected to the inner wall of the mounting block, a limiting rod is fixedly connected to the surface of the connecting rod, one end of the limiting rod passes through the mounting block, and the limiting rod slides with the inner wall of the mounting block.

[0010] Preferably, the number of the limit rods is three, and the three limit rods are arranged at equal intervals. A socket is provided on the surface of the protrusion, and the longitudinal section of the limit rod is L-shaped. One end of the limit rod is inserted into the socket. When in use, the sieve plate is inserted into the machine body, and the sieve plate is then inserted into the auxiliary plate, and then the mounting block is pulled to the side close to the protrusion, and the mounting block then drives the slider to move, and the mounting block then rests on the sieve plate, and then the limit rod is pulled upward, the spring is deformed under force, and then the mounting block is continued to be pulled, and when the slider rests against the inner wall of the guide groove, the limit rod is released, and then the spring pulls the connecting rod to reset, and the connecting rod then drives the limit rod to insert into the socket on the protrusion, and then the vibration motor can be turned on, the material is placed in the machine body, and the screening operation can be carried out.

[0011] Preferably, the auxiliary device includes a spring, which is fixedly connected to the inner bottom wall of the mounting block, so that the spring can be used to apply elastic force to the connecting rod to reduce the possibility of the limit rod becoming loose. One end of the spring is fixedly connected to one end of the connecting rod, and a first magnet is fixedly connected to the surface of the body, and a second magnet is fixedly connected to the surface of the mounting block. When the screen is blocked, the motor can be turned off, and then the limit rod can be pulled upward to disengage from the protrusion, and then the mounting block can be pulled to one side to move it close to the first magnet. At this time, the second magnet is attracted to the first magnet to keep the limit rod in a pulled-up state, and the protrusion can be pulled to remove the blocked screen plate and clean it, and then the screen plate can be inserted into the body, and the above operations can be repeated to complete the replacement operation.

[0012] Preferably, the number of the first magnet and the number of the second magnet are both two, and the two first magnets and the second magnets are symmetrically arranged to assist in positioning the mounting block.

[0013] Compared with the prior art, the advantages and positive effects of the utility model are:

[0014] 1. In the utility model, when in use, the screen plate is inserted into the machine body, and then the screen plate is inserted into the auxiliary plate, and then the mounting block is pulled to the side close to the protrusion, and then the mounting block drives the slider to move, and then the mounting block abuts against the screen plate, and then the limit rod is pulled upward, the spring is deformed by force, and then the mounting block is pulled continuously, and when the slider abuts against the inner wall of the guide groove, the limit rod is released, and then the spring pulls the connecting rod to reset, and then the connecting rod drives the limit rod to insert into the socket on the protrusion, and then the vibration motor can be turned on, and the material is put into the machine body, and the screening operation can be carried out. When the screen is blocked, the motor can be turned off, and then Pull the limit rod upward to disengage the protrusion, and then pull the mounting block to one side to drive it to move close to the first magnet. At this time, the second magnet is attracted to the first magnet, and the limit rod is kept in the pulled-up state. The protrusion can be pulled to remove the blocked screen plate and clean it. Then the screen plate is inserted into the body and the above operation is repeated to complete the replacement operation. This solution simplifies the replacement operation of the screen plate and reduces the difficulty of maintaining the screen plate. When the screen plate is blocked or other faults occur, the user can perform disassembly and maintenance operations in time to ensure the stable use of the equipment, improve the production efficiency of the equipment, and reduce the economic losses of the producer. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 A three-dimensional structural schematic diagram of a multi-layer screen device for producing 3D printing silica sand is proposed for the utility model;

[0016] Figure 2 The utility model proposes a multi-layer screen device for producing 3D printing silica sand. Figure 1 A schematic diagram of the structure at A;

[0017] Figure 3 A side structural schematic diagram of a multi-layer screen device for producing 3D printing silica sand is proposed for the utility model;

[0018] Figure 4 A schematic cross-sectional structure diagram of a multi-layer screen device for producing 3D printing silica sand is proposed for the utility model;

[0019] Figure 5 The utility model provides a structural schematic diagram of a positioning device in a multi-layer screen device for producing 3D printing silica sand;

[0020] Figure 6 The utility model provides an exploded view of a positioning device in a multi-layer screen device for producing 3D printing silica sand.

[0021] Legend:

[0022] 1. Machine body; 2. Feeding port; 3. Foot pad; 4. Screen plate; 5. Vibration motor; 6. Positioning device; 61. Guide plate; 62. Bump; 63. Mounting block; 64. Guide groove; 65. Limit rod; 66. Auxiliary plate; 67. Slider; 68. Connecting rod; 7. Auxiliary device; 71. First magnet; 72. Second magnet; 73. Spring. DETAILED DESCRIPTION

[0023] See also Figure 1-6 The utility model provides a technical solution: a multi-layer screen device for producing 3D printing silica sand, comprising a body 1, a pad 3 is fixedly connected to the lower surface of the body 1, a feeding port 2 is fixedly connected to the surface of the body 1, a screen plate 4 is inserted inside the body 1, a vibration motor 5 is fixedly connected to the inner wall of the body 1, and a positioning device 6 is arranged on the surface of the body 1, the positioning device 6 comprises a guide plate 61, the guide plate 61 is fixedly connected to the surface of the body 1, a guide groove 64 is opened on the surface of the guide plate 61, a slider 67 is slidably connected to the inner wall of the guide groove 64, a mounting block 63 is fixedly connected to the surface of the slider 67, and an auxiliary device 7 is arranged on the surface of the mounting block 63. This solution simplifies the replacement operation of the screen plate 4 and reduces the maintenance difficulty of the screen plate 4. When the screen plate 4 is blocked or other faults occur, the user can promptly perform disassembly and maintenance operations to ensure the stable use of the equipment, improve the production efficiency of the equipment, and reduce the economic losses of the producer.

[0024] Specifically, an auxiliary plate 66 is fixedly connected to the inner wall of the machine body 1 , and one end of the sieve plate 4 is inserted into the auxiliary plate 66 , so as to facilitate the positioning operation of the sieve plate 4 and reduce the leakage of materials.

[0025] In this embodiment: a protrusion 62 is fixedly connected to the side of the sieve plate 4 away from the machine body 1, and the protrusion 62 can be pulled to remove the sieve plate 4 and use the auxiliary equipment.

[0026] Specifically, a connecting rod 68 is slidably connected to the inner wall of the mounting block 63 , a limiting rod 65 is fixedly connected to the surface of the connecting rod 68 , one end of the limiting rod 65 passes through the mounting block 63 , and the limiting rod 65 slides with the inner wall of the mounting block 63 .

[0027] Specifically, there are three limit rods 65, which are arranged at equal intervals. A socket is provided on the surface of the protrusion 62. The longitudinal section of the limit rod 65 is L-shaped, and one end of the limit rod 65 is inserted into the socket. When in use, the sieve plate 4 is inserted into the body 1, and the sieve plate 4 is then inserted into the auxiliary plate 66, and then the mounting block 63 is pulled to the side close to the protrusion 62, and the mounting block 63 then drives the slider 67 to move, and the mounting block 63 then rests on the sieve plate 4, and then the limit rod 65 is pulled upward, the spring 73 is deformed under force, and then the mounting block 63 is continued to be pulled. When the slider 67 rests against the inner wall of the guide groove 64, the limit rod 65 is released, and then the spring 73 pulls the connecting rod 68 to reset, and the connecting rod 68 then drives the limit rod 65 to insert into the socket on the protrusion 62, and then the vibration motor 5 can be turned on, the material is put into the body 1, and the screening operation can be carried out.

[0028] In this embodiment: the auxiliary device 7 includes a spring 73, which is fixedly connected to the inner bottom wall of the mounting block 63, and the spring 73 is used to apply elastic force to the connecting rod 68 to reduce the loosening of the limiting rod 65. One end of the spring 73 is fixedly connected to one end of the connecting rod 68, and the surface of the body 1 is fixedly connected with a first magnet 71, and the surface of the mounting block 63 is fixedly connected with a second magnet 72. When the screen is blocked, the motor can be turned off, and then the limiting rod 65 can be pulled upward to disengage it from the protrusion 62, and then the mounting block 63 can be pulled to one side to drive it to move close to the first magnet 71. At this time, the second magnet 72 is attracted to the first magnet 71 to keep the limiting rod 65 in a pulled-up state, and the protrusion 62 can be pulled to remove the blocked sieve plate 4 and clean it, and then the sieve plate 4 is inserted into the body 1, and the above operation is repeated to complete the replacement operation.

[0029] Specifically, the number of the first magnet 71 and the number of the second magnet 72 are both two, and the two first magnets 71 and the second magnets 72 are symmetrically arranged to assist in positioning the mounting block 63 .

[0030] Working principle: When in use, the sieve plate 4 is inserted into the machine body 1, and the sieve plate 4 is then inserted into the auxiliary plate 66, and then the mounting block 63 is pulled to the side close to the protrusion 62, and the mounting block 63 then drives the slider 67 to move, and the mounting block 63 then abuts against the sieve plate 4, and then the limit rod 65 is pulled upward, the spring 73 is deformed under force, and then the mounting block 63 is continued to be pulled, and when the slider 67 abuts against the inner wall of the guide groove 64, the limit rod 65 is released, and then the spring 73 pulls the connecting rod 68 to reset, and the connecting rod 68 then drives the limit rod 65 to insert into the jack on the protrusion 62, and then the vibration motor 5 can be turned on, and the material is placed in the machine body 1, and the screening operation can be carried out. When the screen is blocked, Turn off the motor, then pull the limit rod 65 upward to disengage it from the protrusion 62, and then pull the mounting block 63 to one side to drive it to move close to the first magnet 71. At this time, the second magnet 72 is attracted to the first magnet 71, and the limit rod 65 is kept in the pulled-up state. The protrusion 62 can be pulled to remove the blocked sieve plate 4 and clean it. Then, the sieve plate 4 is inserted into the body 1 and the above operation is repeated to complete the replacement operation. This solution simplifies the replacement operation of the sieve plate 4 and reduces the difficulty of maintenance of the sieve plate 4. When the sieve plate 4 is blocked or has other faults, the user can perform disassembly and maintenance operations in time to ensure the stable use of the equipment, improve the production efficiency of the equipment, and reduce the economic losses of the producer.

Claims

1. A multi-layer screen device for producing 3D printing silica sand, comprising a body (1), a pad (3) fixedly connected to the lower surface of the body (1), a feed port (2) fixedly connected to the surface of the body (1), a screen plate (4) inserted inside the body (1), and a vibration motor (5) fixedly connected to the inner wall of the body (1), characterized in that: The surface of the machine body (1) is provided with a positioning device (6), the positioning device (6) comprising a guide plate (61), the guide plate (61) being fixedly connected to the surface of the machine body (1), the surface of the guide plate (61) being provided with a guide groove (64), the inner wall of the guide groove (64) being slidably connected with a slider (67), the surface of the slider (67) being fixedly connected with a mounting block (63), and the surface of the mounting block (63) being provided with an auxiliary device (7).

2. A multi-layer screen device for producing 3D printing silica sand according to claim 1, characterized in that: An auxiliary plate (66) is fixedly connected to the inner wall of the machine body (1), and one end of the sieve plate (4) is inserted into the auxiliary plate (66).

3. A multi-layer screen device for producing 3D printing silica sand according to claim 1, characterized in that: A protrusion (62) is fixedly connected to the side of the sieve plate (4) away from the machine body (1).

4. A multi-layer screen device for producing 3D printing silica sand according to claim 3, characterized in that: The inner wall of the mounting block (63) is slidably connected with a connecting rod (68), the surface of the connecting rod (68) is fixedly connected with a limiting rod (65), one end of the limiting rod (65) passes through the mounting block (63), and the limiting rod (65) slides with the inner wall of the mounting block (63).

5. A multi-layer screen device for producing 3D printing silica sand according to claim 4, characterized in that: The number of the limiting rods (65) is three, and the three limiting rods (65) are arranged at equal intervals. A plug hole is provided on the surface of the protrusion (62). The longitudinal section of the limiting rod (65) is L-shaped, and one end of the limiting rod (65) is inserted into the plug hole.

6. A multi-layer screen device for producing 3D printing silica sand according to claim 1, characterized in that: The auxiliary device (7) comprises a spring (73), wherein the spring (73) is fixedly connected to the inner bottom wall of the mounting block (63), one end of the spring (73) is fixedly connected to one end of the connecting rod (68), a first magnet (71) is fixedly connected to the surface of the machine body (1), and a second magnet (72) is fixedly connected to the surface of the mounting block (63).

7. A multi-layer screen device for producing 3D printing silica sand according to claim 6, characterized in that: The number of the first magnets (71) and the number of the second magnets (72) are both two, and the two first magnets (71) and the two second magnets (72) are symmetrically arranged.

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