Particle screening device

Abstract

The utility model discloses a particle screening device which is characterized in that a placing plate is vibrated through a vibration motor, the vibration range of the placing plate can be properly enlarged, particles attached to a workpiece are removed through a vibration screen under the vibration action, and a fixing shaft moves relative to the placing plate in the vibration process of the placing plate. Workpieces at the corresponding positions of the fixing shafts can be pushed by the fixing shafts while vibrating along with the containing plate, the vibrating screening efficiency and effect are improved, the workpieces subjected to particle vibrating screening cleaning are pushed out through the workpiece pushing-out mechanism, and particles are removed again through the auxiliary cleaning structure in the process that the workpieces fall down from the inclined guide plate. The whole particle screening and removing process is simple, manpower is saved, and the production efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of centrifugal grinding machine production, in particular to a particle screening device. Background Art

[0002] Centrifugal grinding machine is a kind of equipment used for polishing and grinding small and medium-sized workpieces. It adopts planetary transmission and uses the centrifugal force generated by the high-speed rotation of the centrifuge rotor. Under the high-speed centrifugal rotation, the abrasive and the workpiece move relative to each other, and the workpiece surface is finely cut and squeezed to achieve the grinding effect, so that the workpiece surface is processed and smooth.

[0003] After the product is processed by the centrifugal grinder, due to problems in the processing process, more particles are attached to the product. Therefore, it is necessary to screen the particles on the workpiece to remove the particles. Usually, this process is mostly handled manually, which is inefficient and wastes manpower. Utility Model Content

[0004] In view of the problems existing in the prior art, the utility model discloses a particle screening device, which adopts the technical scheme of comprising a screening box, a base, a placing plate, a vibrating motor, screening holes, a fixed shaft, a workpiece outlet, a sealing plate, an inclined guide plate, an auxiliary cleaning structure and a workpiece pushing mechanism. The base is fixed at the four corners of the bottom of the screening box, a vibrating motor is installed on the bottom surface of the inner part of the screening box, the output end of the vibrating motor extends upward and a placing plate is fixed on the output end, a plurality of screening holes are evenly opened on the placing plate, and when the vibrating motor is started, the placing plate vibrates and cooperates with the screening holes to perform a vibration screening operation for particle removal, a plurality of fixed shafts are fixed on the bottom surface of the inner part of the screening box, the fixed shafts are irregularly arranged, and each fixed shaft corresponds to the hole position of the screening hole, and a fixed shaft passes through the screening hole. It extends above the placement plate. The setting of the fixed axis allows the placement plate to move relative to the placement plate and the workpiece placed thereon when it moves up and down. The workpiece in the hole at the fixed axis can move under the top effect of the fixed axis when the workpiece vibrates, thereby improving the vibration and separation effect of particles attached to its surface. A workpiece outlet is opened at the upper part of the right side wall of the screening box, and the workpiece outlet is closed by an inserted sealing plate. The right side wall of the screening box is integrally formed with an inclined guide plate, which is higher on the left and lower on the right, and is connected to the workpiece outlet at the high point. An auxiliary cleaning structure is provided on the inclined guide plate for further cleaning. A workpiece pushing mechanism is provided in the screening box to push out the workpiece in the screening box after the vibration screening is completed.

[0005] As a preferred technical solution of the utility model, the space between the bottom of the placement plate and the bottom surface of the screening box is a particle storage space, and the right side of the particle storage space is provided with a window and is closed by a detachable sealing plate.

[0006] As a preferred technical solution of the utility model, the auxiliary cleaning structure includes a mounting frame, a rotating motor, a mounting shaft and a cleaning strip. The mounting frame is fixed to the front and rear sides of the inclined guide plate, and the mounting shaft is rotatably installed between the front and rear mounting frames. The mounting shaft is driven by the rotating motor. A number of cleaning strips are evenly distributed on the mounting shaft. The cleaning strips clean the surface of the workpiece as the mounting shaft rotates.

[0007] As a preferred technical solution of the utility model, the workpiece pushing mechanism includes an inner wall groove, a screw, a screw motor, a mounting rod and an integrated push plate. The front and rear side walls inside the screening box are both provided with inner wall grooves. The shaft body is fixed in the inner wall groove on the front side, and the screw is rotatably installed in the inner wall groove on the rear side. The screw is driven by the screw motor. The two ends of the mounting rod are respectively movably mounted with the shaft body and installed in cooperation with the screw. An integrated push plate is integrally formed on the mounting rod.

[0008] As a preferred technical solution of the utility model, the rotating motor and the lead screw motor are both powered by batteries, the rotating motor rotates counterclockwise, and a rubber pad is fixed to the right side of the integrated push plate.

[0009] The beneficial effects of the utility model are as follows: the placement plate is vibrated by a vibration motor and the vibration range of the placement plate can be appropriately increased, and the particles attached to the workpiece are vibrated and removed by the vibration action; the fixed shaft moves relative to the placement plate during vibration of the placement plate, so that the workpiece at the corresponding position of the fixed shaft can be pushed by the fixed shaft while the placement plate vibrates, thereby improving the vibration efficiency and effect; the workpiece that has completed the particle vibration screening and sorting cleaning is pushed out by the workpiece pushing mechanism and the auxiliary cleaning structure is used to remove the particles again during the process of it falling from the inclined guide plate; the entire particle screening and removal process is relatively simple, which saves manpower and improves production efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] Figure 1 It is a schematic diagram of the structure of the utility model;

[0011] Figure 2 It is a front side sectional view of the utility model;

[0012] Figure 3 It is a top view of the utility model.

[0013] In the figure: screening box 1, base 2, placement plate 3, particle storage space 301, vibration motor 302, removable sealing plate 303, screening hole 4, fixed shaft 5, workpiece outlet 6, sealing plate 7, inclined guide plate 8, mounting frame 9, rotating motor 10, mounting shaft 11, cleaning strip 12, inner wall groove 13, screw 14, screw motor 141, mounting rod 15, integrated push plate 16. DETAILED DESCRIPTION

[0014] Example 1

[0015] like Figures 1 to 3 As shown, the utility model discloses a particle screening device, which adopts a technical solution that includes a screening box 1, a base 2, a placement plate 3, a vibration motor 302, screening holes 4, a fixed shaft 5, a workpiece outlet 6, a sealing plate 7, an inclined guide plate 8, an auxiliary cleaning structure and a workpiece pushing mechanism. The base 2 is fixed at the four corners of the bottom of the screening box 1, and the vibration motor 302 is installed on the bottom surface of the screening box 1. The output end of the vibration motor 302 extends upward and is fixed on the output end. The placement plate 3 is evenly opened with a plurality of screening holes 4. The screening box 1 A plurality of fixed shafts 5 are fixed on the inner bottom surface, the fixed shafts 5 are irregularly arranged, and each fixed shaft 5 corresponds to the hole position of the screening hole 4, passes through the screening hole 4 and extends to the top of the placement plate 3, a workpiece outlet 6 is opened on the upper right side wall of the screening box 1, and the workpiece outlet 6 is closed by an inserted sealing plate 7, and an inclined guide plate 8 is integrally formed on the right side wall of the screening box 1, the inclined guide plate 8 is higher on the left and lower on the right, and is connected to the workpiece outlet 6 at the high point, an auxiliary cleaning structure is arranged on the inclined guide plate 8, and a workpiece pushing mechanism is arranged in the screening box 1.

[0016] As a preferred technical solution of the utility model, the space between the bottom of the placement plate 3 and the bottom surface of the screening box 1 is a particle storage space 301, and the particles dropped by the vibration screening are temporarily stored in the particle storage space 301. The right side of the particle storage space 301 has a window and is closed by a removable sealing plate 303. After the vibration screening and sorting are completed, the removable sealing plate 303 can be opened to take out the particles therein.

[0017] As a preferred technical solution of the utility model, the specific structure of the auxiliary cleaning structure is that a mounting frame 9 is fixed on the front and rear sides of the inclined guide plate 8, and a mounting shaft 11 is rotatably installed between the front and rear mounting frames 9. The mounting shaft 11 is driven by a rotating motor 10, and a plurality of cleaning strips 12 are evenly distributed on the mounting shaft 11. The rotating motor 10 drives the mounting shaft 11 to rotate and drives the cleaning strips 12 to assist in cleaning the workpiece moved out from the workpiece outlet 6 and moved along the inclined guide plate 8.

[0018] As a preferred technical solution of the utility model, in order to facilitate the removal of the workpiece after screening, a workpiece pushing mechanism is arranged in the screening box 1. The specific arrangement method is that inner wall grooves 13 are opened on the front and rear side walls inside the screening box 1, and the shaft body is fixed in the inner wall groove 13 on the front side. The screw 14 is rotatably installed in the inner wall groove 13 on the rear side. The screw 14 is driven by a screw motor 141. The two ends of the mounting rod 15 are respectively movably mounted on the shaft body and are installed in cooperation with the screw 14. An integrated push plate 16 is integrally formed on the mounting rod 15.

[0019] As a preferred technical solution of the utility model, the rotating motor 10 and the screw motor 141 are both powered by batteries. The rotating motor 10 rotates counterclockwise to improve the cleaning effect. A rubber pad is fixed to the right side of the integrated push plate 16.

[0020] The working principle of the utility model is as follows: when in use, the vibration motor 302 is started, and the placing plate 3 vibrates and cooperates with the screening hole 4 to perform a vibration screening and particle removal operation under the start of the vibration motor 302. A plurality of fixed shafts 5 are fixed to the bottom surface of the inner part of the screening box 1. The fixed shafts 5 are irregularly arranged, and each fixed shaft 5 corresponds to the hole position of the screening hole 4, passes through the screening hole 4 and extends to the top of the placing plate 3. The arrangement of the fixed shaft 4 enables the placing plate 3 to move relative to the placing plate 3 when it moves up and down, and also relative to the workpiece placed thereon. The workpiece at the hole position of the fixed shaft 4 can be moved when vibrating under the effect of the up and down movement of the fixed shaft 4, thereby improving the vibration screening and separation effect of the particles attached to its surface. After the vibration screening is completed, the screw motor 141 is started, and the screw 14 rotates to make the mounting rod 15 and the integrated push plate 16 push the workpiece out and use the counterclockwise rotating mounting shaft 11 and the cleaning strip 12 to remove the particles again during the process of it falling from the inclined guide plate 8. The entire particle screening and removal process is relatively simple, which saves manpower and improves production efficiency.

[0021] Components not described in detail herein are prior art.

[0022] Although the specific embodiments of the present invention are described in detail above, the present invention is not limited to the above embodiments. Various changes can be made within the knowledge of ordinary technicians in the field without departing from the purpose of the present invention, and modifications or deformations without creative labor are still within the scope of protection of the present invention.

Claims

1. A particle screening device, Features: The invention comprises a screening box (1), a base (2), a placement plate (3), a vibration motor (302), screening holes (4), a fixed shaft (5), a workpiece outlet (6), a sealing plate (7), an inclined guide plate (8), an auxiliary cleaning structure and a workpiece ejection mechanism; the four corners of the bottom of the screening box (1) are fixed with a base (2); the bottom surface of the screening box (1) is provided with a vibration motor (302), the output end of which extends upward and a placement plate (3) is fixed on the output end; a plurality of screening holes (4) are evenly opened on the placement plate (3); a plurality of fixed shafts (5) are fixed on the bottom surface of the screening box (1) ), the fixed shafts (5) are irregularly arranged, and each fixed shaft (5) corresponds to the hole position of the screening hole (4), passes through the screening hole (4) and extends to the top of the placement plate (3); a workpiece outlet (6) is opened at the upper part of the right side wall of the screening box (1), and the workpiece outlet (6) is closed by an inserted sealing plate (7); an inclined guide plate (8) is integrally formed on the right side wall of the screening box (1), and the inclined guide plate (8) is higher on the left and lower on the right, and the high part is connected to the workpiece outlet (6); an auxiliary cleaning structure is arranged on the inclined guide plate (8); a workpiece ejection mechanism is arranged in the screening box (1).

2. A particle screening device according to claim 1, Features: The space between the bottom of the placement plate (3) and the bottom surface of the screening box (1) is a particle storage space (301), and the right side of the particle storage space (301) is provided with a window and is closed by a detachable sealing plate (303).

3. A particle screening device according to claim 1, Features: The auxiliary cleaning structure comprises a mounting frame (9), a rotating motor (10), a mounting shaft (11) and cleaning strips (12); the mounting frames (9) are fixed to the front and rear sides of the inclined guide plate (8), and the mounting shaft (11) is rotatably mounted between the front and rear mounting frames (9); the mounting shaft (11) is driven by the rotating motor (10); and a plurality of cleaning strips (12) are evenly distributed on the mounting shaft (11).

4. A particle screening device according to claim 3, Features: The workpiece ejection mechanism comprises an inner wall groove (13), a lead screw (14), a lead screw motor (141), a mounting rod (15) and an integrated push plate (16); the inner front and rear side walls of the screening box (1) are both provided with inner wall grooves (13), a shaft body is fixed in the inner wall groove (13) on the front side, and a lead screw (14) is rotatably mounted in the inner wall groove (13) on the rear side; the lead screw (14) is driven by the lead screw motor (141); the two ends of the mounting rod (15) are respectively movably mounted with the shaft body and are installed in cooperation with the lead screw (14); an integrated push plate (16) is integrally formed on the mounting rod (15).

5. A particle screening device according to claim 4, Features: The rotating motor (10) and the lead screw motor (141) are both powered by batteries; the rotating motor (10) rotates counterclockwise; and a rubber pad is fixed to the right side of the integrated push plate (16).

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