CN114054153A

CN114054153A - Screening device for diamond grinding materials

Info

Publication number: CN114054153A
Application number: CN202111421740.9A
Authority: CN
Inventors: 吴伟利; 王贞齐; 张保民
Original assignee: Anhui Yazhu Diamond Corp Co ltd
Current assignee: Anhui Yazhu Diamond Corp Co ltd
Priority date: 2021-11-26
Filing date: 2021-11-26
Publication date: 2022-02-18
Anticipated expiration: 2041-11-26
Also published as: CN114054153B

Abstract

The invention discloses a screening device for diamond abrasives, which comprises an abrasive box, wherein a grinding cavity is arranged in the abrasive box, a lower grinding disc fixedly connected with the inner side wall of the abrasive box is arranged in the grinding cavity, an upper grinding disc is arranged above the lower grinding disc, a grinding motor is arranged at the lower end of the lower grinding disc, the output end of the grinding motor penetrates through the lower grinding disc and is fixedly connected with the upper grinding disc, a chamber to be ground is arranged at the upper end of the upper grinding disc, a plurality of first centrifugal discharge holes are formed in the edge position of the bottom of the chamber to be ground, a plurality of second centrifugal discharge holes are formed in the eccentric position of the lower grinding disc, a feeding pipe connected with the abrasive box is connected to the upper end of the chamber to be ground in a sliding mode, the upper end of the feeding pipe is connected with a feeding hopper, the feeding hopper is communicated with an annular shell, the middle part of the lower end of the annular shell is communicated with the lower part of the grinding cavity, the upper end and the lower end of the part, which is communicated with the grinding cavity, and an annular screen is normally opened, and an annular screen is arranged in the annular shell. The invention is convenient for screening the abrasive.

Description

Screening device for diamond grinding materials

Technical Field

The invention relates to the technical field of diamond grinding material processing, in particular to a screening device for diamond grinding materials.

Background

The existing diamond screening device carries out grading screening according to the particle size of diamond when in use, but the inside of the existing diamond screening device is easy to block when in screening, and the screening efficiency is reduced.

Disclosure of Invention

In view of the above, the present invention is directed to a diamond abrasive screening apparatus, which is designed to solve all or one of the problems of the related art.

Based on the above purpose, the invention provides a screening device for diamond abrasives, which comprises a grinding box, wherein a grinding cavity is arranged in the grinding box, a lower grinding disc fixedly connected with the inner side wall of the grinding box is arranged in the grinding cavity, an upper grinding disc is arranged above the lower grinding disc, a grinding space is arranged between the lower grinding disc and the upper grinding disc, a grinding motor is arranged at the lower end of the lower grinding disc, the output end of the grinding motor penetrates through the lower grinding disc and is fixedly connected with the upper grinding disc, a chamber to be ground is arranged at the upper end of the upper grinding disc, a plurality of first centrifugal discharge holes which are enclosed into a ring and communicated with the grinding space are arranged at the edge position of the bottom of the chamber to be ground, a plurality of second centrifugal discharge holes are arranged at the eccentric position of the lower grinding disc, a plurality of second centrifugal discharge holes are arranged into a ring, and a feeding pipe connected with the grinding box is connected with the upper end of the chamber to be ground in a sliding manner, the inlet pipe upper end is connected with the feeder hopper, the feeder hopper intercommunication has annular casing, annular casing lower extreme middle part with grind chamber lower part intercommunication, annular casing with grind the upper end and the lower extreme of chamber intercommunication part and all normally open the setting, be provided with compound sieve spare in the annular casing, compound sieve spare is including setting up annular screen in the annular casing, the inboard equidistant a plurality of delivery boards that are provided with of annular screen.

Optionally, two first vibration members arranged in opposite directions and located below the grinding motor are arranged in the middle of the grinding cavity, each first vibration member comprises a material guide plate hinged to the inner side wall of the grinding material box, and a telescopic rod is driven between each material guide plate and the inner side wall of the grinding material box.

Optionally, the lower end surface of the material guide plate is provided with an elastic plate, the lower end of the elastic plate is hinged to the telescopic end of the driving telescopic rod, the elastic plate comprises two fixed plates, a plurality of elastic springs are arranged between the two fixed plates, and a plurality of sections of telescopic sleeves are sleeved outside the elastic springs.

Optionally, the material guide plate is a circular arc.

Optionally, a plurality of lower grinding bulges are arranged on the upper end face of the lower grinding disc, and a plurality of upper grinding bulges matched with the lower grinding bulges are arranged on the lower end face of the upper grinding disc.

Optionally, the output of grinding motor is provided with the grinding pivot, the terminal surface be provided with down the abrasive disc with the axis of rotation that the transmission of grinding pivot is connected, equidistant first vibrations spring that is provided with on the axis of rotation lateral wall, first vibrations spring upper end be provided with the first vibrations ball that terminal surface contact set up under the abrasive disc down, first vibrations spring outside cover is equipped with first multisection telescopic link.

Optionally, a re-screening motor is arranged in the annular shell, an output end of the re-screening motor is connected with a re-screening gear through a re-screening rotating shaft, an annular chain connected with the annular screen is meshed and driven on one side of the re-screening gear, and the front side and the right side of the annular screen are both in sliding connection with the inner side wall of the annular shell.

Optionally, grind the chamber below and be provided with the sieve and move the chamber, be provided with the sieve on the grinding box lateral wall and move the motor, the output that the motor was moved to the sieve is connected with and runs through the sieve that the chamber was moved to the sieve moves the pivot, sieve moves pivot lateral wall equidistant a plurality of sieves and moves the stirring board that is provided with on the stirring board, sieve moves and is provided with first sieve and moves the screen cloth.

Optionally, the lower part in the sieve moving cavity is provided with a second sieve moving screen connected with the inner side wall of the abrasive box, and one side of the second sieve moving screen is provided with a collecting port formed in the side wall of the abrasive box.

Optionally, one side of the sieving stirring plate is provided with a second vibration spring connected with the side wall of the sieving rotating shaft, the end part of the second vibration spring is provided with a second vibration ball, and a second multi-section telescopic rod is sleeved on the outer side of the second vibration spring.

From the above, according to the screening device for diamond abrasives provided by the invention, abrasives to be treated sequentially pass through the feed hopper and the feed pipe and enter the chamber to be ground, the grinding motor is started to drive the grinding rotating shaft to rotate, so that the upper grinding disc can rotate conveniently, the abrasives in the chamber to be ground can conveniently enter the grinding space through the first centrifugal discharge hole due to centrifugal motion and gravity motion for grinding treatment, the ground abrasives enter the annular screen through the second centrifugal discharge hole for screening treatment, the abrasives which are not screened through the annular screen are transported to the feed hopper again under the action of the double-screen part, and the abrasives which are not screened through the annular screen can be further ground again conveniently.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic structural diagram of an embodiment of the present invention;

FIG. 2 is an enlarged schematic view of the structure at A in FIG. 1;

fig. 3 is an enlarged schematic view of the structure at B in fig. 1.

In the figure: grinding box 1, feeder hopper 2, discharge gate 3, grinding motor 4, last abrasive disc 5, lower abrasive disc 6, inlet pipe 7, treat grinding room 8, first centrifugal discharge gate 9, second centrifugal discharge gate 10, first vibrations piece 11, drive telescopic link 12, elastic plate 13, stock guide 14, annular housing 15, double screen 16, annular screen 17, delivery board 18, sieve move chamber 19, sieve move motor 20, sieve move pivot 21, sieve move stir board 22, second vibrations ball 23, second vibrating spring 24, second multisection telescopic link 25.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to specific embodiments and the accompanying drawings.

It is to be noted that technical terms or scientific terms used in the embodiments of the present invention should have the ordinary meanings as understood by those having ordinary skill in the art to which the present disclosure belongs, unless otherwise defined. The use of "first," "second," and similar terms in this disclosure is not intended to indicate any order, quantity, or importance, but rather is used to distinguish one element from another. The word "comprising" or "comprises", and the like, means that the element or item listed before the word covers the element or item listed after the word and its equivalents, but does not exclude other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly.

A screening device for diamond abrasives comprises a grinding box 1, wherein a grinding cavity is arranged in the grinding box 1, a lower grinding disc 6 fixedly connected with the inner side wall of the grinding box 1 is arranged in the grinding cavity, an upper grinding disc 5 is arranged above the lower grinding disc 6, a grinding space is arranged between the lower grinding disc 6 and the upper grinding disc 5, a grinding motor 4 is arranged at the lower end of the lower grinding disc 6, the output end of the grinding motor 4 penetrates through the lower grinding disc 6 and is fixedly connected with the upper grinding disc 5, a chamber to be ground 8 is arranged at the upper end of the upper grinding disc 5, a plurality of first centrifugal discharge holes 9 which are enclosed into a ring and communicated with the grinding space are arranged at the edge position of the bottom of the chamber to be ground 8, a plurality of second centrifugal discharge holes 10 are arranged at the eccentric position of the lower grinding disc 6, and a plurality of second centrifugal discharge holes 10 are enclosed into a ring, the grinding device is characterized in that the upper end of the chamber to be ground 8 is slidably connected with an inlet pipe 7 connected with the grinding box 1, the upper end of the inlet pipe 7 is connected with a feed hopper 2, the feed hopper 2 is communicated with an annular shell 15, the middle part of the lower end of the annular shell 15 is communicated with the lower part of the grinding cavity, the annular shell 15 is normally opened with the upper end and the lower end of the communicating part of the grinding cavity, a double-sieve piece 16 is arranged in the annular shell 15, the double-sieve piece 16 comprises an annular screen 17 arranged in the annular shell 15, a plurality of conveying plates 18 are arranged at equal intervals in the inner side of the annular screen 17, grinding materials to be processed sequentially pass through the feed hopper 2 and the inlet pipe 7 and enter the chamber to be ground 8, a grinding motor 4 is started to drive a grinding rotating shaft to rotate, an upper grinding disc 5 is convenient to rotate, the grinding materials in the chamber to be ground 8 can enter a grinding space through a first centrifugal discharge port 9 for grinding processing due to centrifugal motion and gravity motion, the ground abrasive comes to the annular screen 17 through the second centrifugal discharge port 10 for screening treatment, and the abrasive not screened by the annular screen 17 is transported to the feed hopper 2 again under the action of the secondary screen 16, so that the abrasive not screened by the annular screen 17 can be further ground again.

In order to facilitate the guide of the abrasive material to preliminary grinding to handle to reduce the impact of the abrasive material of preliminary grinding to ring screen 17, it is provided with in the middle part of the grinding chamber to be located two first vibrations that set up in opposite directions that grind motor 4 below move 11, first vibrations move 11 include with the articulated stock guide 14 that sets up of 1 inside wall of grinding box, stock guide 14 with drive telescopic link 12 between 1 inside wall of grinding box.

In order to facilitate the guide processing to the abrasive material of preliminary grinding to reduce the impact of the abrasive material of preliminary grinding to ring screen 17, reduce the abrasive material of preliminary grinding simultaneously and glue and be in on the stock guide 14, the terminal surface is provided with elastic plate 13 under the stock guide 14, elastic plate 13 lower extreme with the flexible end hinge of drive telescopic link 12 sets up, elastic plate 13 includes two fixed plates, two be provided with a plurality of elastic spring between the fixed plate, elastic spring outside cover is equipped with the multisection telescopic sleeve.

In order to facilitate the material guiding treatment of the primarily ground abrasive, the material guiding plate 14 is a circular arc.

In order to strengthen the grinding treatment of the grinding materials and facilitate further screening treatment, a plurality of lower grinding bulges are arranged on the upper end surface of the lower grinding disc 6, and a plurality of upper grinding bulges matched with the lower grinding bulges are arranged on the lower end surface of the upper grinding disc 5.

For the convenience of carrying out vibrations to abrasive disc 6 down and handling, be convenient for accelerate the abrasive material on the abrasive disc 6 down and be centrifugal motion and remove through second centrifugal discharge gate 10, the output of grinding motor 4 is provided with the grinding pivot, under the abrasive disc 6 down the terminal surface be provided with grind the axis of rotation that the pivot transmission is connected, equidistant first vibrations spring that is provided with on the axis of rotation lateral wall, first vibrations spring upper end be provided with the first vibrations ball that terminal surface contact set up under the abrasive disc 6 down, first vibrations spring outside cover is equipped with first multisection telescopic link.

In order to facilitate that the grinding materials which are not sieved on the annular screen 17 enter the grinding material box 1 again through the feed hopper 2 to be ground again, a re-sieving motor is arranged in the annular shell 15, the output end of the re-sieving motor is connected with a re-sieving gear through a re-sieving rotating shaft, an annular chain connected with the annular screen 17 is in meshing transmission on one side of the re-sieving gear, and the front side and the right side of the annular screen 17 are both in sliding connection with the inner side wall of the annular shell 15.

In order to facilitate the secondary screening of abrasive materials, the secondary screening is handled and is convenient for obtain more exquisite abrasive materials, it is provided with sieve moving chamber 19 to grind the chamber below, be provided with sieve moving motor 20 on the grinding box 1 lateral wall, sieve moving motor 20's output is connected with and runs through sieve moving shaft 21 of sieve moving chamber 19, sieve moving shaft 21 lateral wall equidistant a plurality of sieves and move stirring board 22 that is provided with on the stirring board 22, sieve moving is provided with first sieve and moves the screen cloth.

In order to facilitate the secondary screening treatment and collect unqualified grinding materials, a second screening screen connected with the inner side wall of the grinding material box 1 is arranged at the lower part in the screening chamber 19, and a collecting opening formed in the side wall of the grinding material box 1 is formed in one side of the second screening screen.

In order to facilitate the vibration treatment of the abrasives stuck to the side wall of the abrasive tank 1 or stuck to the endless screen 17, a second vibration spring 24 connected with the side wall of the sieve-moving rotating shaft 21 is arranged on one side of the sieve-moving stirring plate 22, a second vibration ball 23 is arranged at the end part of the second vibration spring 24, a second multi-section telescopic rod 25 is sleeved outside the second vibration spring 24, when the sieving motor 20 is started, the sieving stirring plate 22 is convenient to rotate, the first sieving screen is convenient to be driven to rotate to carry out sieving and stirring treatment on the grinding materials, the qualified grinding materials can come to the discharge port 3 through the second sieving screen, when the sieve moves the pivot 21 and rotates, drive second vibrations ball 23 and move the pivot 21 around the sieve and rotate, vibrations ball 23 is centrifugal motion and is convenient for can contact abrasive material case 1 inside wall and ring screen 17 lower extreme face, is convenient for to the abrasive material case 1 on the lateral wall adhesion or the abrasive material vibrations of card on ring screen 17 handle.

Abrasive to be treated sequentially passes through the feed hopper 2 and the feed pipe 7 and enters the chamber 8 to be ground, the grinding motor 4 is started to drive the grinding rotating shaft to rotate, the upper grinding disc 5 is convenient to rotate, the abrasive in the chamber 8 to be ground enters the grinding space through the first centrifugal discharge hole 9 due to centrifugal motion and gravity motion to be ground, the lower grinding protrusion and the upper grinding protrusion are matched to process the abrasive, in addition, the rotating shaft rotates, the first vibration ball is convenient to vibrate the lower grinding disc 6, the centrifugal motion of the abrasive on the lower grinding disc 6 is convenient to accelerate, the abrasive moves through the second centrifugal discharge hole 10, the ground abrasive firstly passes through the second centrifugal discharge hole 10, is accommodated and then guided to the annular screen 17 through the guide plate 14 to be screened, the abrasive which is not screened through the annular screen 17 is re-transported to the feed hopper 2 under the action of the re-screening piece 16, and the secondary grinding treatment of the abrasive which is not screened through the annular screen 17 is convenient to further, come the sieve through the grinding of ring screen 17 and move in the chamber 19, sieve and move motor 20 and start, be convenient for sieve and move and stir board 22 and rotate, be convenient for drive first sieve and move the screen cloth and rotate and filter the stirring processing to the abrasive material, qualified abrasive material can move screen cloth through the second and come discharge gate 3 department, when sieve moves pivot 21 and rotates, it rotates around sieve moves pivot 21 to drive second vibrations ball 23, vibrations ball 23 is centrifugal motion and is convenient for can contact terminal surface under 1 inside wall of grinding box and the ring screen 17, be convenient for to the abrasive material vibrations processing of adhesion or card on ring screen 17 on 1 lateral wall of grinding box.

Those of ordinary skill in the art will understand that: the discussion of any embodiment above is merely exemplary in nature, and is not intended to intimate that the scope of the disclosure is limited to these examples; within the spirit of the present disclosure, features from the above embodiments or from different embodiments may also be combined, steps may be implemented in any order, and there are many other variations of different aspects of one or more embodiments of the present description as described above, which are not provided in detail for the sake of brevity.

Where specific details are set forth in order to describe example embodiments of the disclosure, it will be apparent to one skilled in the art that one or more embodiments of the disclosure may be practiced without, or with variation of, these specific details. Accordingly, the description is to be regarded as illustrative instead of restrictive.

It is intended that the one or more embodiments of the present specification embrace all such alternatives, modifications and variations as fall within the broad scope of the appended claims. Therefore, any omissions, modifications, substitutions, improvements, and the like that may be made without departing from the spirit and principles of one or more embodiments of the present disclosure are intended to be included within the scope of the present disclosure.

Claims

1. The screening device for the diamond abrasives is characterized by comprising a grinding box (1), a grinding cavity is arranged in the grinding box (1), a lower grinding disc (6) fixedly connected with the inner side wall of the grinding box (1) is arranged in the grinding cavity, an upper grinding disc (5) is arranged above the lower grinding disc (6), a grinding space is arranged between the lower grinding disc (6) and the upper grinding disc (5), a grinding motor (4) is arranged at the lower end of the lower grinding disc (6), the output end of the grinding motor (4) penetrates through the lower grinding disc (6) and is fixedly connected with the upper grinding disc (5), a chamber (8) to be ground is formed at the upper end of the upper grinding disc (5), a plurality of first centrifugal discharge holes (9) which are formed in a ring mode and are communicated with the grinding space are formed in the edge position of the bottom of the chamber (8) to be ground, a plurality of second centrifugal discharge holes (10) are arranged at the eccentric position of the lower grinding disc (6), the second centrifugal discharge holes (10) are arranged in an annular shape, the upper end of the chamber to be ground (8) is connected with a feeding pipe (7) connected with the grinding material box (1) in a sliding way, the upper end of the feeding pipe (7) is connected with a feeding hopper (2), the feeding hopper (2) is communicated with an annular shell (15), the middle part of the lower end of the annular shell (15) is communicated with the lower part of the grinding cavity, the upper end and the lower end of the communicated part of the annular shell (15) and the grinding cavity are both normally opened, a re-screening piece (16) is arranged in the annular shell (15), the re-screening piece (16) comprises an annular screen (17) arranged in the annular shell (15), a plurality of conveying plates (18) are arranged on the inner side of the annular screen (17) at equal intervals.

2. The screening device of a diamond abrasive material according to claim 1, wherein two first vibration members (11) which are arranged in opposite directions and located below the grinding motor (4) are arranged in the middle of the grinding chamber, the first vibration members (11) comprise material guide plates (14) which are hinged to the inner side wall of the grinding box (1), and telescopic rods (12) are driven between the material guide plates (14) and the inner side wall of the grinding box (1).

3. The screening device of diamond abrasive material according to claim 2, characterized in that the lower end surface of the material guiding plate (14) is provided with an elastic plate (13), the lower end of the elastic plate (13) is hinged with the telescopic end of the driving telescopic rod (12), the elastic plate (13) comprises two fixed plates, a plurality of elastic springs are arranged between the two fixed plates, and a plurality of telescopic sleeves are sleeved outside the elastic springs.

4. The apparatus for screening diamond abrasive according to claim 2, wherein the guide plate (14) is formed in a circular arc shape.

5. The screening apparatus for diamond abrasive according to claim 1, wherein the lower grinding plate (6) is provided with a plurality of lower grinding protrusions on the upper end surface, and the upper grinding plate (5) is provided with a plurality of upper grinding protrusions on the lower end surface, wherein the upper grinding protrusions are matched with the lower grinding protrusions.

6. The screening device of a diamond abrasive material according to claim 1, characterized in that, the output end of the grinding motor (4) is provided with a grinding rotating shaft, the lower end surface of the lower grinding disc (6) is provided with a rotating shaft in transmission connection with the grinding rotating shaft, the side wall of the rotating shaft is provided with first vibration springs at equal intervals, the upper end of each first vibration spring is provided with a first vibration ball arranged in contact with the lower end surface of the lower grinding disc (6), and the outer side of each first vibration spring is sleeved with a first plurality of telescopic rods.

7. The screening device of diamond abrasives according to claim 1, wherein a re-screening motor is arranged in the annular shell (15), an output end of the re-screening motor is connected with a re-screening gear through a re-screening rotating shaft, one side of the re-screening gear is meshed with and drives an annular chain connected with the annular screen (17), and the front side and the right side of the annular screen (17) are both in sliding connection with the inner side wall of the annular shell (15).

8. The screening device of a diamond abrasive according to claim 1, characterized in that a screening chamber (19) is arranged below the grinding chamber, a screening motor (20) is arranged on the outer side wall of the grinding box (1), the output end of the screening motor (20) is connected with a screening rotating shaft (21) penetrating through the screening chamber (19), a plurality of screening stirring plates (22) are arranged on the side wall of the screening rotating shaft (21) at equal intervals, and a first screening screen is arranged on the screening stirring plates (22).

9. A screening device for diamond abrasive according to claim 8, characterized in that a second screening screen connected with the inner side wall of the grinding material box (1) is arranged at the lower part in the screening chamber (19), and a collecting opening arranged on the side wall of the grinding material box (1) is arranged at one side of the second screening screen.

10. The screening device of diamond abrasive material according to claim 8, characterized in that a second vibration spring (24) connected with the side wall of the screening rotating shaft (21) is arranged on one side of the screening stirring plate (22), a second vibration ball (23) is arranged at the end of the second vibration spring (24), and a second multi-section telescopic rod (25) is sleeved outside the second vibration spring (24).