Screening device for silica powder production

Abstract

The utility model belongs to the technical field of silica powder production, and particularly relates to a screening device for silica powder production, which comprises a feeding pipe, a left support is fixed at the bottom of the left end of the feeding pipe, a storage hopper is embedded and communicated with the left upper part of the feeding pipe, and a receiving component is fixed on the outer side of the right end of the feeding pipe. A right support is fixedly installed on the outer wall of the right end of the material receiving assembly, the screening assembly is movably installed on the inner side of the material receiving assembly, a motor is fixedly installed on the outer wall of the left end of the feeding pipe, the output end of the motor is fixedly connected with an auger extending into the right end of the feeding pipe, and the right end of the auger is fixedly connected with a butt joint block. Grooves are formed in the outer wall of the right end of the butt joint block at equal angles, and the butt joint block is in transmission connection with the screening assembly through the grooves. The silica powder in the storage hopper can be slowly fed into the screening barrel through rotation of the auger, so that screening burden and blocking caused by excessive input are avoided, the screened qualified silica powder is collected in the material receiving barrel, and the qualified silica powder is rapidly collected through the material receiving hopper.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of silicon micro powder production, especially a screening device for silicon micro powder production. BACKGROUND

[0002] Silicon micro powder is a kind of fine powder. The preparation of silicon micro powder usually takes natural fused crystalline quartz or fused quartz as raw material, and goes through rough grinding, purification and other processes. In the production and processing process of silicon micro powder, a screening device is also needed to screen out silicon raw materials that are not fully ground.

[0003] In the Chinese utility model patent with publication number CN220239244U, a screening device for silicon micro powder production is disclosed. By using the shock absorber, spring and pull-hanging assembly, the effect of changing the vibration amplitude of the inner box can be changed according to the height of the right side of the inner box being pulled up, the screening efficiency is improved, and the surface of the screen can be cleaned by using the cleaning assembly to prevent affecting the screening efficiency and reduce the labor intensity of the workers. However, the device directly puts the silicon raw material into the inner box for screening, and the excessive input of raw materials in a short time can easily cause blockage and leakage. Moreover, the inner box is installed in the outer box, and when cleaning, the discharge door on the left side of the inner box is blocked by the outer box and is difficult to fully open, affecting the removal of impurities. In addition, the above-mentioned device also has the problem of inconvenient collection of silicon micro powder.

[0004] Therefore, it is urgent to improve the existing screening device for silicon micro powder production and provide a screening device for silicon micro powder production that is more convenient for impurity cleaning. UTILITY MODEL CONTENT

[0005] The utility model aims at the deficiencies in the prior art and provides a screening device for silicon micro powder production that is reasonably designed, simple in structure, can avoid raw material accumulation, is convenient for impurity cleaning, and is convenient for raw material collection, to solve the problems in the prior art.

[0006] To achieve the above-mentioned purpose, the utility model adopts the following technical solutions:

[0007] A screening device for silicon micro powder production includes a feeding pipe, a left support is fixed to the bottom of the left end of the feeding pipe, a storage hopper is inlaid and communicated above the left of the feeding pipe, a material receiving assembly is fixed to the outer side of the right end of the feeding pipe, a right support is fixed and installed to the outer wall of the right end of the material receiving assembly, a screening assembly is movably installed on the inner side of the material receiving assembly, a motor is fixed and installed to the outer wall of the left end of the feeding pipe, an auger is fixedly connected to the output end of the motor and extends to the inside of the right end of the feeding pipe, a butt joint block is fixedly connected to the right end of the auger, a groove is opened at equal angles to the outer wall of the right end of the butt joint block, and the butt joint block is drivingly connected with the screening assembly through the groove.

[0008] As preferred, the material receiving assembly comprises a material receiving barrel and a material receiving hopper, the left end of the material receiving barrel is fixedly sleeved outside the right end of the feeding pipe, the bottom end of the material receiving barrel is inlaid with the material receiving hopper in communication, and the right end outer wall of the material receiving hopper is fixedly connected with the top end of the right support.

[0009] As preferred, the screening assembly comprises a screening barrel, a material blocking ring, a pushing plate, a fixing disc, a positioning rod, a bidirectional screw rod and a fixing block, the left end of the screening barrel is movably sleeved outside the right end of the feeding pipe, the left end inner wall of the screening barrel is fixedly provided with the material blocking ring, the inner wall of the screening barrel is annularly and fixedly provided with a plurality of pushing plates, the right end center of the screening barrel is fixedly connected with the fixing disc, the right side of the screening barrel is provided with the bidirectional screw rod, the upper and lower ends of the bidirectional screw rod are both bearing-sleeved with the fixing block, and the fixing block is fixedly arranged on the right side wall of the screening barrel.

[0010] As preferred, the left side of the material blocking ring is in abutment and sliding with the right end of the feeding pipe, and the thickness of the material blocking ring is arranged in a decreasing manner from left to right.

[0011] As preferred, the left side middle part of the fixing disc is provided with a clamping groove, and the abutting block is inserted into the fixing disc through the clamping groove.

[0012] As preferred, the right side of the fixing disc is symmetrically provided with two sliding grooves in the upper and lower directions, two positioning rods are slidably arranged in the inner sides of the two sliding grooves respectively, the right ends of the two positioning rods are threadedly sleeved outside the thread rotationally opposite positions of the two ends of the bidirectional screw rod respectively, and the left ends of the two positioning rods away from the bidirectional screw rod are inserted into the two symmetrical recesses respectively.

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

[0014] In the scheme of the utility model, the pre-stored silicon powder in the storage hopper is slowly sent into the screening barrel by the rotation of the auger, so that the screening burden and the plugging condition caused by excessive input can be avoided, the auger can drive the whole screening assembly to rotate synchronously through the abutting block, the silicon powder in the screening barrel can be conveniently pushed by the plurality of pushing plates, the centrifugal force generated by the rotation can be utilized to conveniently perform rapid screening, the qualified silicon powder screened out can be collected in the material receiving barrel, and the silicon powder can be conveniently and quickly collected through the arrangement of the material receiving hopper.

[0015] After the screening is completed, the bidirectional screw rod can be manually rotated, the two positioning rods are controlled to move in the two sliding grooves in the direction away from each other respectively, the positioning of the screening barrel can be released when the end portions of the positioning rods are separated from the recesses of the abutting block, the bidirectional screw rod can also be used as a handle at this time, the whole screening assembly can be conveniently pulled out horizontally to the right, the screening assembly can be disassembled, and the unqualified silicon powder can be conveniently discharged, so that the operation is easy. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the technical solutions of the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed in the embodiment or prior art description, and then the drawings will be described as follows:

[0017] Figure 1 It is a front view structural schematic diagram of the present application;

[0018] Figure 2 It is a front view structural schematic diagram of the present application;

[0019] Figure 3 It is a front view structural schematic diagram of the present application;

[0020] Figure 4 It is a front view structural schematic diagram of the present application;

[0021] Figure 5 It is a left view structural schematic diagram of the present application;

[0022] Figure 6 It is a front view structural schematic diagram of the present application.

[0023] In the figure:

[0024] 1, feeding pipe; 2, left support; 3, storage hopper; 4, material receiving assembly; 41, material receiving barrel; 42, material receiving hopper; 43, right support; 5, screening assembly; 51, screening barrel; 52, material blocking ring; 53, push plate; 54, fixed disc; 541, clamping groove; 542, sliding groove; 55, positioning rod; 56, bidirectional screw rod; 57, fixed block; 6, motor; 7, auger; 8, butt joint block; 9, groove. DETAILED DESCRIPTION

[0025] The following described embodiments are only a part of the embodiments of the present application, and do not represent all the embodiments consistent with the present application. Now, the exemplary embodiments will be described as follows in combination with the drawings:

[0026] As Figures 1-6 The present application is a screening device for silicon powder production, which comprises a feeding pipe 1, a left support 2 is fixed at the bottom of the left end of the feeding pipe 1, a storage hopper 3 is inlaid and communicated at the upper left of the feeding pipe 1, a material receiving assembly 4 is fixed at the outer right end of the feeding pipe 1, a right support 43 is fixedly installed on the outer right wall of the material receiving assembly 4, a screening assembly 5 is movably installed on the inner side of the material receiving assembly 4, a motor 6 is fixedly installed on the outer left wall of the feeding pipe 1, an auger 7 extending to the right end inside of the feeding pipe 1 is fixedly connected to the output end of the motor 6, a butt joint block 8 is fixedly connected to the right end of the auger 7, a groove 9 is equiangularly formed on the outer right wall of the butt joint block 8, and the butt joint block 8 is drivingly connected with the screening assembly 5 through the groove 9.

[0027] As a preferred implementation, on the basis of the above structure, further, the material receiving assembly 4 comprises a material receiving barrel 41 and a material receiving hopper 42, the left end of the material receiving barrel 41 is fixedly sleeved outside the right end of the feeding pipe 1, the bottom end of the material receiving barrel 41 is inlaid and communicated with the material receiving hopper 42, and the right end outer wall of the material receiving hopper 42 is fixedly connected with the top end of the right support 43.

[0028] In this embodiment, the material receiving barrel 41 is used to facilitate the collection of qualified silicon micro-powder screened out from the screening assembly 5, and the material receiving hopper 42 is used to facilitate the rapid collection of qualified silicon micro-powder.

[0029] As a preferred implementation, on the basis of the above structure, further, the screening assembly 5 comprises a screening barrel 51, a material blocking ring 52, a push plate 53, a fixed disc 54, a positioning rod 55, a bidirectional screw rod 56 and a fixed block 57, the left end of the screening barrel 51 is movably sleeved outside the right end of the feeding pipe 1, the left end inner wall of the screening barrel 51 is fixedly provided with the material blocking ring 52, the inner wall of the screening barrel 51 is annularly and fixedly provided with a plurality of push plates 53, the right end center of the screening barrel 51 is fixedly connected with the fixed disc 54, the right side of the screening barrel 51 is provided with the bidirectional screw rod 56, the upper and lower ends of the bidirectional screw rod 56 are both bearing-sleeved with the fixed blocks 57, and the fixed blocks 57 are fixedly provided on the right side wall of the screening barrel 51.

[0030] As a preferred implementation, on the basis of the above structure, further, the left side of the material blocking ring 52 is in abutment and sliding with the right end of the feeding pipe 1, and the thickness of the material blocking ring 52 is arranged to be gradually reduced from left to right.

[0031] In this embodiment, the material blocking ring 52 is arranged to avoid leakage of silicon micro-powder through the gap between the feeding pipe 1 and the screening barrel 51, the plurality of push plates 53 are arranged to facilitate the stirring of silicon micro-powder in the screening barrel 51, and the centrifugal force generated by rotation facilitates rapid screening.

[0032] As a preferred implementation, on the basis of the above structure, further, the left side of the fixed disc 54 is provided with a clamping groove 541, and the butt joint block 8 is inserted into the fixed disc 54 through the clamping groove 541.

[0033] As a preferred implementation, on the basis of the above structure, further, two slide grooves 542 are symmetrically provided on the right side of the fixed disc 54, two positioning rods 55 are slidably arranged in the inner sides of the two slide grooves 542, the right ends of the two positioning rods 55 are threadedly sleeved outside the thread rotationally opposite positions of the two ends of the bidirectional screw rod 56, and the left ends of the two positioning rods 55 away from the bidirectional screw rod 56 are respectively inserted into the two symmetrical recesses 9.

[0034] In the embodiment, the two positioning rods 55 can be controlled to slide in opposite directions synchronously by the bidirectional screw rod 56, facilitating the engagement or disengagement between the positioning rods 55 and the butt joint block 8, facilitating the installation and disassembly of the entire screening assembly 5, facilitating the discharge of the unqualified silicon powder in the screening assembly 5 by disassembling the screening assembly 5, and facilitating the screening of the silicon powder by rotating the screening assembly 5.

[0035] The working principle of the utility model is as follows:

[0036] In use, first, the silicon powder to be screened is added to the storage hopper 3, and the screening assembly 5 is horizontally inserted into the receiving barrel 41, so that the left end of the screening barrel 51 is movably arranged on the outside of the right end of the feeding pipe 1, and the fixed disc 54 is inserted into the butt joint block 8 through the clamping groove 541, then the bidirectional screw rod 56 is manually rotated, the two positioning rods 55 are controlled to move in the two sliding grooves 542 in the direction of approaching each other, and the end of the positioning rod 55 is inserted into the groove 9 on the outer wall of the butt joint block 8, so that the installation of the screening assembly 5 is completed.

[0037] In screening, the motor 6 is turned on, so that the auger 7 drives the entire screening assembly 5 to rotate synchronously through the butt joint block 8, the auger 7 is rotated to slowly feed the silicon powder pre-stored in the storage hopper 3 into the screening barrel 51, so that the burden of screening and the plugging caused by the excessive feeding of raw materials in a short time can be avoided, the silicon powder in the screening barrel 51 is conveniently stirred by the plurality of stirring plates 53 when the screening barrel 51 rotates, the centrifugal force generated by the rotation facilitates the rapid screening of the silicon powder, the qualified silicon powder is collected in the receiving barrel 41, and the receiving hopper 42 is arranged to facilitate the quick collection of the qualified silicon powder in the recycling container placed below the receiving barrel 41.

[0038] After the screening of the silicon powder is completed, the bidirectional screw rod 56 is reversely rotated to control the end of the positioning rod 55 to disengage from the groove 9, so that the positioning of the screening assembly 5 is released, the bidirectional screw rod 56 can also be used as a handle at this time, the entire screening assembly 5 is conveniently pulled out horizontally to the right for disassembly, the unqualified silicon powder in the screening barrel 51 is conveniently discharged, the discharge of impurities is convenient, and the operation is easy.

[0039] The above is only a preferred embodiment of the utility model, and does not limit the protection scope of the utility model; any equivalent changes, modifications, replacements and variations made by logical analysis, reasoning or limited experiments on the basis of the existing technology according to the concept of the utility model should be within the protection scope determined by the claims.

Claims

1. A screening device for the production of silicon micro-powder, comprising a feeding tube (1) and a screening assembly (5), characterized in that: The left end bottom of the feeding pipe (1) is fixed with a left support (2), the upper left of the feeding pipe (1) is embedded with a storage hopper (3) in communication, the right end outer side of the feeding pipe (1) is fixed with a material receiving assembly (4), the right end outer wall of the material receiving assembly (4) is fixedly installed with a right support (43), a screening assembly (5) is movably installed on the inner side of the material receiving assembly (4), the left end outer wall of the feeding pipe (1) is fixedly installed with a motor (6), the output end of the motor (6) is fixedly connected with an auger (7) extending to the right end inside of the feeding pipe (1), the right end of the auger (7) is fixedly connected with a butt joint block (8), the right end outer wall of the butt joint block (8) is provided with a groove (9) at equal angles, and the butt joint block (8) is drivingly connected with the screening assembly (5) through the groove (9).

2. The screening device for the production of silicon micro-powder according to claim 1, characterized in that: The material receiving assembly (4) comprises a material receiving barrel (41) and a material receiving hopper (42), the left end of the material receiving barrel (41) is fixedly sleeved on the right end outer side of the feeding pipe (1), the bottom end of the material receiving barrel (41) is embedded with the material receiving hopper (42) in communication, and the right end outer wall of the material receiving hopper (42) is fixedly connected with the top end of the right support (43).

3. The screening device for the production of silicon micropowder according to claim 1, characterized in that: The screening assembly (5) comprises a screening barrel (51), a material blocking ring (52), a pushing plate (53), a fixed disc (54), a positioning rod (55), a bidirectional screw rod (56) and a fixed block (57), the left end of the screening barrel (51) is movably sleeved on the right end outer side of the feeding pipe (1), the left end inner wall of the screening barrel (51) is fixedly provided with the material blocking ring (52), the inner wall of the screening barrel (51) is annularly fixedly provided with a plurality of pushing plates (53), the right end center of the screening barrel (51) is fixedly connected with the fixed disc (54), the right side of the screening barrel (51) is provided with the bidirectional screw rod (56), the upper and lower two ends of the bidirectional screw rod (56) are both bearing sleeved with the fixed block (57), and the fixed block (57) is fixedly arranged on the right side wall of the screening barrel (51).

4. The screening device for producing silicon powder according to claim 3, wherein: The left side of the material blocking ring (52) is in abutted sliding with the right end of the feeding pipe (1), and the thickness of the material blocking ring (52) is arranged in a decreasing manner from left to right.

5. The screening device for producing silicon micro-powder according to claim 3, characterized in that: The left side middle part of the fixed disc (54) is provided with a clamping groove (541), and the butt joint block (8) is inserted into the fixed disc (54) through the clamping groove (541).

6. The screening device for producing silicon powder according to claim 3, wherein: The right side of the fixed disc (54) is symmetrically provided with two sliding grooves (542) upward and downward, two positioning rods (55) are slidably arranged in the inner sides of the two sliding grooves (542) respectively, the right ends of the two positioning rods (55) are threadedly sleeved on the outer sides of the two end thread rotation opposite positions of the bidirectional screw rod (56) respectively, and the left ends of the two positioning rods (55) away from the bidirectional screw rod (56) are inserted into the two symmetrical grooves (9) respectively.

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