Screening device for grinding material length

Abstract

The utility model relates to the technical field of material screening, and provides a device for screening abrasive material length, which comprises a device main body, a sealing box door and a mounting groove, the top end of the device main body is communicated with a blanking funnel, the outer wall of the device main body is movably provided with the sealing box door, the outer wall of the sealing box door is welded with a handle, and the mounting groove is arranged in the device main body. A first driving motor is installed on the side wall of the device body, a driving shaft of the first driving motor penetrates through the inner wall of the device body to be connected with a rotating rod, one end of the rotating rod is movably installed on the inner wall of the device body, and knocking blocks are symmetrically installed on the outer walls of the two sides of the rotating rod; and movable grooves are symmetrically formed in the inner walls of the two sides of the device body, limiting grooves are symmetrically formed in the inner wall of the device body, and a screening frame is movably mounted on the inner wall of the device body through the limiting grooves, so that the problems that in the prior art, the vibration screening effect is poor, and meanwhile abrasive materials are inconvenient to collect are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of material screening, in particular to a screening device for the length of abrasives. Background Art

[0002] The abrasive length screening device is a device used for particle size analysis and abrasive control, and is usually used in abrasive production and processing. The background technology of the abrasive length screening device covers multiple key areas, from traditional screening methods to the application of modern optical measurement and data processing technology, all of which are aimed at improving the accuracy and efficiency of abrasive production to meet the market demand for high-quality products.

[0003] The patent specification with the announcement number CN 210675902U discloses a screening device for abrasive length, which includes a frame, a screening box, a screening assembly and a vibration mechanism. The screening box is connected to the frame through a shock-absorbing spring, a feed hopper is provided on the top of the screening box, a box door is hinged on one side of the screening box, and a mounting groove is provided on the inner wall of the screening box. The screening assembly includes a bearing frame, a screen and a clamping plate, the bearing frame can be slidably inserted into the mounting groove, the bearing frame is provided with a slot, the screen is arranged on the bearing frame, the clamping plate is provided with a clamping column, and the clamping column is clamped in the slot to clamp the screen between the bearing frame and the clamping plate. The vibration mechanism is arranged on the frame, and the vibration mechanism is connected to the bottom of the screening box to drive the screening box to vibrate. The above-mentioned rice bran screening machine is simple and convenient to replace the screen, takes less time, and can ensure that the screen is replaced in time to avoid affecting the progress and efficiency of processing.

[0004] However, in the implementation of relevant technologies, it was found that the above-mentioned screening device for abrasive length has the following problems: the device vibrates the entire device, and the entire device is too heavy, which affects the vibration screening material. At the same time, the device is inconvenient to collect abrasives. For this reason, we proposed a screening device for abrasive length. Utility Model Content

[0005] The utility model provides a screening device for abrasive length, which solves the problems in the related art that the vibration screening effect is poor and the abrasive collection is inconvenient.

[0006] The technical solution of the utility model is as follows:

[0007] A screening device for abrasive length, comprising a device body, a sealed box door and a mounting groove, the top of the device body is connected with a feeding funnel, the outer wall of the device body is movably mounted with a sealed box door, the outer wall of the sealed box door is welded with a handle, the side wall of the device body is mounted with a first driving motor, the driving shaft of the first driving motor passes through the inner wall of the device body and is connected with a rotating rod, one end of the rotating rod is movably mounted on the inner wall of the device body, the outer walls on both sides of the rotating rod are symmetrically mounted with knocking blocks, the inner walls on both sides of the device body are symmetrically provided with movable grooves, the inner wall of the device body is symmetrically provided with limiting grooves, the inner wall of the device body is symmetrically provided with a screening frame through the limiting grooves, the outer walls on both sides of the screening frame are symmetrically provided with limiting blocks, the bottom ends of the limiting grooves are respectively mounted with dampers, one end of the dampers is connected to the bottom end of the limiting blocks, the outer walls of the dampers are respectively mounted with springs, the outer walls of the springs are symmetrically provided with mounting grooves and slide grooves, and the first sieve plate and the second sieve plate are movably mounted on the springs through the mounting grooves and the slide grooves.

[0008] Preferably, fixed strong magnetic plates are symmetrically arranged on the inner wall of the screening frame, and the fixed strong magnetic plates are evenly distributed on the bottom ends of the first sieve plate and the second sieve plate.

[0009] Preferably, the side walls of the first sieve plate and the second sieve plate are symmetrically provided with a first sliding block and a second sliding block, respectively. The first sliding block and the second sliding block are cylindrical, and the first sliding block and the second sliding block match with the slide groove.

[0010] Preferably, the outer walls of the first sieve plate and the second sieve plate are provided with sieve holes, and the sieve holes provided on the outer wall of the first sieve plate have a larger aperture than the sieve holes provided on the outer wall of the second sieve plate.

[0011] Preferably, an outer wall of the limiting block on a side close to the striking block is provided with an arc surface, the cross section of the limiting groove is rectangular, and the limiting block and the limiting groove fit together.

[0012] Preferably, an equipment bin is provided on the outer wall of one side of the device body, a second drive motor is installed on the inner wall of the device bin, an output shaft of the second drive motor passes through the inner wall of the device body and is connected to the first drive assembly, a second drive assembly is cross-movably installed directly below the first drive assembly, a driving gear and a driven gear are respectively connected to the close ends of the first drive assembly and the second drive assembly through bearings, and the driving gear and the driven gear are meshed with each other for transmission.

[0013] Preferably, the outer wall at the bottom end of the device body is provided with a driving discharge port, and the transmission end of the second driving component is connected to the driving discharge port.

[0014] Preferably, the driving discharge port is in the form of an inclined surface and is coaxial with the transmission end of the second driving component, and a collecting box is provided below the driving discharge port.

[0015] The working principle and beneficial effects of the utility model are:

[0016] In the utility model, the sealed box door, the screening frame and the first screen plate are provided, the sealed box door is manually flipped by a handle to open the device body, the first screen plate and the second screen plate are inserted into the inner wall of the screening frame through the mounting groove and the slide groove provided on the inner wall of the screening frame, the first screen plate and the second screen plate are limited by the limiting effect of the first slide block and the second slide block, and the bottom of the first screen plate and the second screen plate are magnetically fixed by the fixed strong magnetic plate provided on the inner wall of the screening frame, and the abrasive is poured into the interior of the device body through the discharge funnel so that it falls on the first screen plate The first driving motor is started above the top of the screen frame, and the knocking block is driven by the first driving motor to rotate on the inner wall of the movable groove, so that the knocking block intermittently knocks the limit blocks arranged on both sides of the screening frame during rotation, so that the limit blocks move downward in the limit groove to compress the damper and the spring, and then the elastic force generated by the deformation of the spring is used to make the top contact limit block drive the screening frame to move upward, so that the screening frame vibrates as a whole, and large solid impurities in the abrasive are quickly filtered through the first sieve plate. This structure can effectively improve the screening speed, avoid the abrasive blocking the sieve holes, and facilitate the disassembly and assembly of the first sieve plate and the second sieve plate.

[0017] In the utility model, by setting a collection box, a first drive component and a second drive motor, the second drive motor is started, and the first drive component is driven to move the abrasive by transmission through the second drive motor, and then the driving gear is driven to rotate when the first drive component is transmitted, and the driven gear is driven to rotate by mutual meshing transmission between the driving gear and the driven gear, and the second drive component is driven to move by the driven gear. When the abrasive is driven by the first drive component to move and fall on the second drive component, the abrasive is transmitted to the drive discharge port and slides into the interior of the collection box by the second drive component, and the screened abrasive is collected. This structure is convenient for transmitting and collecting qualified abrasives. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The utility model is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0019] Figure 1 This is a schematic diagram of the main structure of the device proposed by the utility model;

[0020] Figure 2 This is a schematic diagram of the half-section structure of the device body proposed by the utility model;

[0021] Figure 3 This is a schematic diagram of the screening frame structure proposed by the utility model;

[0022] Figure 4 This is a schematic diagram of the structure of the second drive motor proposed in the utility model;

[0023] Figure 5 This is a schematic diagram of the limit block structure proposed by the utility model.

[0024] In the figure: 1. device body; 2. discharge funnel; 3. sealed box door; 4. handle; 5. drive discharge port; 6. collection box; 7. equipment compartment; 8. first drive motor; 9. screening frame; 10. mounting slot; 11. slide slot; 12. first drive assembly; 13. second drive assembly; 14. first sieve plate; 15. first slider; 16. second sieve plate; 17. second slider; 18. limit block; 19. fixed strong magnetic plate; 20. second drive motor; 21. driving gear; 22. driven gear; 23. rotating rod; 24. knocking block; 25. movable slot; 26. limit slot; 27. damper; 28. spring. DETAILED DESCRIPTION

[0025] The following will be combined with the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] Example 1: Figure 1~Figure 5 As shown, this embodiment proposes a screening device for abrasive length, including a device body 1, a sealed box door 3 and a mounting groove 10, the top of the device body 1 is connected with a feeding funnel 2, the outer wall of the device body 1 is movably mounted with a sealed box door 3, the outer wall of the sealed box door 3 is welded with a handle 4, the side wall of the device body 1 is mounted with a first drive motor 8, the drive shaft of the first drive motor 8 passes through the inner wall of the device body 1 and is connected with a rotating rod 23, one end of the rotating rod 23 is movably mounted on the inner wall of the device body 1, the outer walls on both sides of the rotating rod 23 are symmetrically mounted with knocking blocks 24, and the two sides of the device body 1 are connected with a rotating rod 23. The inner wall of the side is symmetrically provided with movable grooves 25, the inner wall of the device body 1 is symmetrically provided with limiting grooves 26, the inner wall of the device body 1 is movably installed with a screening frame 9 through the limiting grooves 26, the outer walls on both sides of the screening frame 9 are symmetrically provided with limiting blocks 18, the bottom ends of the limiting grooves 26 are installed with dampers 27, one end of the damper 27 is connected to the bottom end of the limiting block 18, the outer walls of the dampers 27 are installed with springs 28, the outer walls of the springs 28 are symmetrically provided with mounting grooves 10 and slide grooves 11, and the springs 28 are movably installed with the first sieve plate 14 and the second sieve plate 16 through the mounting grooves 10 and the slide grooves 11.

[0027] In this embodiment, the outer wall of the limiting block 18 close to the knocking block 24 is provided with an arc surface, the cross section of the limiting groove 26 is rectangular, and the limiting block 18 and the limiting groove 26 fit each other.

[0028] In this embodiment, a driving discharge port 5 is provided on the outer wall of the bottom end of the device body 1 , and a transmission end of the second driving component 13 is connected to the driving discharge port 5 .

[0029] Specific as Figure 1~Figure 3 As shown, when using this structure, the device body 1 is opened, and the first sieve plate 14 and the second sieve plate 16 are inserted into the inner wall of the screening frame 9 through the mounting groove 10 and the slide groove 11 provided on the inner wall of the screening frame 9, and the first sieve plate 14 and the second sieve plate 16 are limited by the limiting effect of the first slider 15 and the second slider 17. At the same time, the bottom of the first sieve plate 14 and the second sieve plate 16 are magnetically fixed by the fixed strong magnetic plate 19 provided on the inner wall of the screening frame 9, and the abrasive is poured into the interior of the device body 1 through the discharge funnel 2 so that it falls on the top of the first sieve plate 14, and the first drive motor 8 is started, and the first sieve plate 14 and the second sieve plate 16 are fixed by the fixed strong magnetic plate 19 provided on the inner wall of the screening frame 9. The first driving motor 8 drives the knocking block 24 to rotate on the inner wall of the movable groove 25, so that the knocking block 24 intermittently knocks the limit blocks 18 set on both sides of the screening frame 9 during rotation, so that the limit blocks 18 move downward in the limit groove 26 to compress the damper 27 and the spring 28, and then the elastic force generated by the deformation of the spring 28 is used to make the top contact limit block 18 drive the screening frame 9 to move upward, so that the screening frame 9 vibrates as a whole, and the large solid impurities in the abrasive are quickly filtered through the first screen plate 14. This structure can effectively improve the screening speed, avoid the abrasive blocking the screen holes, and facilitate the disassembly and assembly of the first screen plate 14 and the second screen plate 16.

[0030] Embodiment 2: An equipment bin 7 is provided on the outer wall of one side of the device body 1, and a second drive motor 20 is installed on the inner wall of the device bin 7. The output shaft of the second drive motor 20 passes through the inner wall of the device body 1 and is connected to the first drive assembly 12. A second drive assembly 13 is cross-movably installed directly below the first drive assembly 12. The first drive assembly 12 and the second drive assembly 13 are close to each other at one end and are respectively connected to a driving gear 21 and a driven gear 22 through bearings. The driving gear 21 and the driven gear 22 are meshed with each other for transmission.

[0031] In this embodiment, fixed strong magnetic plates 19 are symmetrically arranged on the inner wall of the screening frame 9 , and the fixed strong magnetic plates 19 are evenly distributed at the bottom ends of the first sieve plate 14 and the second sieve plate 16 .

[0032] In this embodiment, the side walls of the first sieve plate 14 and the second sieve plate 16 are symmetrically provided with a first slider 15 and a second slider 17 , respectively. The first slider 15 and the second slider 17 are cylindrical and match the slide groove 11 .

[0033] In this embodiment, sieve holes are arranged on the outer walls of the first sieve plate 14 and the second sieve plate 16 , and the sieve holes arranged on the outer wall of the first sieve plate 14 have a larger aperture than the sieve holes arranged on the outer wall of the second sieve plate 16 .

[0034] In this embodiment, the driving discharge port 5 is in the form of an inclined surface and is coaxial with the transmission end of the second driving assembly 13 . A collecting box 6 is disposed below the driving discharge port 5 .

[0035] Specific as Figure 1 , Figure 4 and Figure 5 As shown, when this structure is used, the second drive motor 20 is started, and the first drive component 12 is driven by the second drive motor 20 to transmit the movement to drive the abrasive to move, and then the first drive component 12 is used to transmit the movement to drive the driving gear 21 to rotate, and the driving gear 21 and the driven gear 22 are driven to rotate by engaging with each other, and the second drive component 13 is driven by the driven gear 22 to transmit and move. When the first drive component 12 drives the abrasive to move and fall on the second drive component 13, the second drive component 13 is used to transmit the abrasive to the drive discharge port 5 to slide into the inside of the collection box 6, and the screened abrasive is collected. This structure facilitates the transmission and collection of qualified abrasives.

[0036] Working principle: When in use, the sealed box door 3 is manually turned over by the handle 4 to open the main body 1 of the device, and the first sieve plate 14 and the second sieve plate 16 are inserted into the inner wall of the screening frame 9 through the mounting groove 10 and the slide groove 11 provided on the inner wall of the screening frame 9. The first sieve plate 14 and the second sieve plate 16 are limited by the limiting effect of the first slider 15 and the second slider 17. At the same time, the bottom of the first sieve plate 14 and the second sieve plate 16 are magnetically fixed by the fixed strong magnetic plate 19 provided on the inner wall of the screening frame 9, and the abrasive is poured into the main body of the device through the discharge funnel 2. The first drive motor 8 is started, and the knocking block 24 is driven by the first drive motor 8 to rotate on the inner wall of the movable groove 25, so that the knocking block 24 intermittently knocks the limit blocks 18 set on both sides of the screening frame 9 during rotation, so that the limit blocks 18 move downward in the limit groove 26 to compress the damper 27 and the spring 28, and then the elastic force generated by the deformation of the spring 28 is used to make the top contact with the limit block 18 to drive the screening frame 9 to move upward, so that the screening frame 9 vibrates as a whole, and the large solid impurities in the abrasive pass through the first screen plate quickly. 14 is filtered, and the abrasive falls on the second sieve plate 16. At the same time, the abrasive of qualified length is screened out through the second sieve plate 16 by the vibration of the screening frame 9 and falls on the top of the first driving component 12. The second driving motor 20 is started, and the first driving component 12 is driven by the second driving motor 20 to drive the abrasive to move. The driving gear 21 and the driven gear 22 are driven to rotate by mutual meshing transmission, and the second driving component 13 is driven to move by the driven gear 22. When the first driving component 12 drives the abrasive to move and falls on the second driving component 13, the second driving component 13 is used to transmit the abrasive to the drive discharge port 5 to slide into the inside of the collecting box 6, and the screened abrasive is collected. The device is not only convenient for disassembling and replacing the first sieve plate 14 and the second sieve plate 16, but also convenient for filtering and screening the abrasive. At the same time, the abrasive can be prevented from blocking the sieve holes of the first sieve plate 14 and the second sieve plate 16 through vibration screening, thereby improving the screening efficiency and facilitating the transmission and collection of qualified abrasive.

[0037] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A screening device for abrasive length, comprising a device body (1), a sealed box door (3) and a mounting groove (10), characterized in that: The top of the device body (1) is connected to a feeding hopper (2), a sealed box door (3) is movably mounted on the outer wall of the device body (1), a handle (4) is welded to the outer wall of the sealed box door (3), a first drive motor (8) is mounted on the side wall of the device body (1), a drive shaft of the first drive motor (8) passes through the inner wall of the device body (1) and is connected to a rotating rod (23), one end of the rotating rod (23) is movably mounted on the inner wall of the device body (1), knocking blocks (24) are symmetrically mounted on the outer walls on both sides of the rotating rod (23), movable grooves (25) are symmetrically arranged on the inner walls on both sides of the device body (1), and the inner wall of the device body (1) Limiting grooves (26) are symmetrically arranged, and a screening frame (9) is movably mounted on the inner wall of the device body (1) through the limiting grooves (26). Limiting blocks (18) are symmetrically arranged on the outer walls of both sides of the screening frame (9). A damper (27) is installed at the bottom end of each limiting groove (26), and one end of each damper (27) is connected to the bottom end of each limiting block (18). A spring (28) is installed on the outer wall of each damper (27). An installation groove (10) and a slide groove (11) are symmetrically arranged on the outer wall of each spring (28). The first screen plate (14) and the second screen plate (16) are movably mounted on the spring (28) through the installation groove (10) and the slide groove (11).

2. A screening device for abrasive length according to claim 1, characterized in that: The inner wall of the screening frame (9) is symmetrically provided with fixed strong magnetic plates (19), and the fixed strong magnetic plates (19) are evenly distributed at the bottom ends of the first screen plate (14) and the second screen plate (16).

3. A screening device for abrasive length according to claim 2, characterized in that: A first sliding block (15) and a second sliding block (17) are symmetrically arranged on the side walls of the first sieve plate (14) and the second sieve plate (16), respectively; the first sliding block (15) and the second sliding block (17) are cylindrical; the first sliding block (15) and the second sliding block (17) match the sliding groove (11).

4. A screening device for abrasive length according to claim 3, characterized in that: The first sieve plate (14) and the second sieve plate (16) are provided with sieve holes on their outer walls, and the sieve holes provided on the outer wall of the first sieve plate (14) have a larger aperture than the sieve holes provided on the outer wall of the second sieve plate (16).

5. A screening device for abrasive length according to claim 1, characterized in that: An outer wall of the limiting block (18) on a side close to the striking block (24) is provided with a curved surface, the cross section of the limiting groove (26) is rectangular, and the limiting block (18) and the limiting groove (26) fit together.

6. A screening device for abrasive length according to claim 1, characterized in that: An equipment bin (7) is provided on the outer wall of one side of the device body (1); a second drive motor (20) is installed on the inner wall of the device bin (7); an output shaft of the second drive motor (20) passes through the inner wall of the device body (1) and is connected to a first drive assembly (12); a second drive assembly (13) is cross-movably installed directly below the first drive assembly (12); the first drive assembly (12) and the second drive assembly (13) are respectively connected to a driving gear (21) and a driven gear (22) at their respective ends close to each other through bearings; the driving gear (21) and the driven gear (22) are meshed with each other for transmission.

7. A screening device for abrasive length according to claim 6, characterized in that: The outer wall at the bottom end of the device body (1) is provided with a driving discharge port (5), and the transmission end of the second driving component (13) is in communication with the driving discharge port (5).

8. A screening device for abrasive length according to claim 7, characterized in that: The drive discharge port (5) is in the form of an inclined surface and is coaxial with the transmission end of the second drive assembly (13). A collection box (6) is provided below the drive discharge port (5).

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