CN109225488B

CN109225488B - Recoverable sand mill

Info

Publication number: CN109225488B
Application number: CN201810794388.5A
Authority: CN
Inventors: 谭贺洵; 汪洋; 胡海宏
Original assignee: Taicang Dns Mechanical & Electrical Engineering Co ltd
Current assignee: TAICANG DNS MECHANICAL & ELECTRICAL ENGINEERING Co.,Ltd.
Priority date: 2018-07-19
Filing date: 2018-07-19
Publication date: 2020-10-27
Anticipated expiration: 2038-07-19
Also published as: CN109225488A

Abstract

The invention discloses a recyclable sand mill, which comprises a machine body, wherein a feed inlet is formed in the machine body, a discharge outlet is formed in the bottom of the machine body, a dispersion shaft is arranged in the machine body, a dispersion disc is arranged on the dispersion shaft, a motor-driven dispersion shaft is arranged on a top plate of the machine body, a movable filter disc is arranged below the dispersion shaft in the machine body, at least two movable filter discs are vertically arranged, the machine body comprises a first side surface, a cleaning cavity is arranged outside the first side surface, through openings corresponding to the number of the movable filter discs are formed in the first side surface, the movable filter discs can enter the cleaning cavity through the through openings, and the cleaning cavity is communicated with a. At least two movable filter discs can be used alternately, when one movable filter disc is blocked, other movable filter discs are used, the blocked movable filter disc is moved into the cleaning cavity to be cleaned for later use, and the recovery cavity is arranged to recover powder cleaned from the movable filter disc, so that waste of raw materials is avoided, and the benefit is improved.

Description

Recoverable sand mill

Technical Field

The invention belongs to the field of chemical material production equipment, and particularly relates to a recyclable sand mill.

Background

The sand mill is used for wet grinding of chemical coatings, particles need to be filtered by a filter screen during discharging, and the ground and dispersed coating powder is easy to generate re-agglomeration phenomenon due to the action of van watt force, so that the discharging filter screen is easy to block, the discharging speed is influenced, and the production efficiency is reduced.

Disclosure of Invention

The invention aims to provide a recyclable sand mill to solve the technical problem that the discharge speed and the production efficiency are influenced due to the blockage of a filter screen.

In order to solve the problems, the invention provides a recyclable sand mill which comprises a machine body, wherein a feed inlet is formed in the machine body, a discharge outlet is formed in the bottom of the machine body, a dispersion shaft is arranged in the machine body, a dispersion disc is arranged on the dispersion shaft, a motor is arranged on a top plate of the machine body to drive the dispersion shaft, a movable filter disc is arranged below the dispersion shaft in the machine body, at least two movable filter discs are arranged vertically, the machine body comprises a first side face, a cleaning cavity is arranged outside the first side face, the number of the first side face is corresponding to the number of the movable filter discs, the movable filter discs can enter the cleaning cavity through the through holes, and the cleaning cavity is communicated with a recycling cavity.

Furthermore, one side of the through opening, which is close to the cleaning cavity, is fixedly provided with an elastic isolation device.

Furthermore, the elastic isolation device comprises a contact baffle, a sleeve and a spring which are oppositely arranged at the upper part and the lower part of the through opening in pairs, and the contact baffle and the spring are arranged in the sleeve; one side of the sleeve is provided with an opening, and the other side of the sleeve is provided with a bottom plate; one side of the contact baffle is connected with one end of the spring which is vertically arranged, and the other side of the contact baffle is of a convex arc structure; the other end of the spring is fixed on a bottom plate in the sleeve, the arc structure of the contact baffle protrudes relative to the opening of the sleeve, and the sleeve is fixed outside the first side face; every two opposite contact baffle plates can contact with each other, and the contact positions of every two contact baffle plates are on the horizontal middle line of the through hole.

Furthermore, the thickness of two side edges of the movable filter disc, which can be contacted with the elastic isolation device in the moving process, is gradually reduced.

Furthermore, a plurality of air nozzles are arranged at the top part in the cleaning cavity and connected with a compressed air device; the bottom of the cleaning cavity is provided with a collecting port; the collection port is connected with the recovery cavity through a collection pipeline.

Furthermore, the number of the movable filter discs is two, a movable brush is arranged in the cleaning cavity and is located between the two movable filter discs in the vertical direction, the top of the movable brush can be in contact with the movable filter disc entering the cleaning cavity and located above the movable brush, and the bottom of the movable brush can be in contact with the movable filter disc entering the cleaning cavity and located below the movable brush.

Furthermore, the longitudinal direction of the movable brush is perpendicular to the movement direction of the movable filter disc, a telescopic oil cylinder is arranged outside one side, far away from the first side face, of the cleaning cavity, and a telescopic rod of the telescopic oil cylinder extends into the cleaning cavity and is perpendicularly connected with the movable brush.

Furthermore, a telescopic driving mechanism is arranged to drive the movable filter disc to move back and forth between the machine body and the cleaning cavity.

Furthermore, a second side surface and a third side surface are arranged on the machine body and are connected with the first side surface, and the second side surface and the third side surface are arranged oppositely; the second side face and the third side face are provided with horizontal grooves for erecting the movable filter disc, or the second side face and the third side face are provided with horizontal rails for supporting the movable filter disc to move.

Furthermore, a groove II is formed in the side face, corresponding to the same side of the second side face and the third side face, of the cleaning cavity and used for erecting the movable filter disc, or a horizontal rail II is arranged on the side face, corresponding to the same side of the second side face and the third side face, of the cleaning cavity and used for supporting the movable filter disc to move.

One of the technical schemes has the following advantages: the invention provides a recyclable sand mill which is provided with at least two movable filter discs, so that the at least two movable filter discs can be alternately used, when one movable filter disc is blocked, the other movable filter discs are used, the blocked movable filter disc is moved into a cleaning cavity to be cleaned for later use, and a recycling cavity is arranged to recycle powder cleaned from the movable filter disc, so that the waste of raw materials is avoided, and the benefit is improved.

Drawings

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

FIG. 2 is an enlarged view taken at A in FIG. 1;

reference is made to the accompanying drawings in which:

1-a fuselage; 101-a feed inlet; 102-a discharge port; 103-dispersion axis; 104-a dispersion tray;

105-an electric machine; 106-a first side; 107-ports; 2-a movable filter disc; 3-cleaning the cavity;

301-an air nozzle; 302-a collection port; 303-a collection conduit; 304-a recovery chamber;

305-an air draft device; 4-elastic isolation means; 401-a contact baffle; 402-a sleeve; 403-a spring;

5-a movable brush; 6-telescopic oil cylinder; 7-a telescopic driving mechanism; 701-driving rod.

Detailed Description

Exemplary embodiments that embody features and advantages of the invention are described in detail below. It is to be understood that the invention is capable of other and different embodiments and its several details are capable of modification without departing from the scope of the invention, and that the description and drawings are to be regarded as illustrative in nature and not as restrictive.

The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar components; in the description of the present invention, it should be understood that if there is an orientation or positional relationship indicated by the terms "upper", "lower", "left", "right", etc. based on the orientation or positional relationship shown in the drawings, it is only for convenience of describing the present invention and simplifying the description, but it is not intended to indicate or imply that the device or component referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore, the terms describing the positional relationship in the drawings are only used for illustrative purposes and are not to be construed as limiting the present patent, and the specific meaning of the terms described above will be understood by those of ordinary skill in the art according to the specific circumstances.

As shown in fig. 1, an embodiment of the present invention provides a recyclable sand mill, which includes a machine body 1, wherein a feed inlet 101 is arranged on the machine body 1, a discharge outlet 102 is arranged at the bottom of the machine body 1, a dispersion shaft 103 is arranged inside the machine body 1, a dispersion disc 104 is arranged on the dispersion shaft 103, and a motor 105 is arranged on a top plate of the machine body 1 to drive the dispersion shaft 103, and is characterized in that: the dispersion axle 103 below in the fuselage 1 is equipped with portable filter disc 2, portable filter disc 2 has two at least and sets up from top to bottom in vertical direction, fuselage 1 includes first side 106, the outside of first side 106 is provided with clean chamber 3, be provided with on the first side 106 with the opening 107 that 2 numbers of portable filter disc correspond, portable filter disc 2 can pass through opening 107 gets into in the clean chamber 3, clean chamber 3 intercommunication has recovery chamber 304. At least two movable filter discs 2 are provided so that the at least two movable filter discs 2 can be alternately used, when one of the movable filter discs 2 is clogged, the other movable filter disc 2 is used and the clogged movable filter disc 2 is moved to the cleaning chamber 3 to be cleaned for standby, and the recovery chamber 304 is provided to recover the powder cleaned from the movable filter disc 2, thereby preventing the waste of the powder and improving the efficiency. Therefore, even if the movable filter disc is blocked, the sand mill can continuously work, thereby ensuring the discharging speed and the production efficiency and ensuring the production benefit.

Preferably, an elastic isolation device 4 is fixedly arranged on one side of the through opening 107 close to the cleaning cavity 3. So as to isolate the cleaning cavity 3 to a certain extent and prevent a large amount of raw materials from entering the cleaning cavity 3.

Preferably, as shown in fig. 2, which is an enlarged view of a in fig. 1, the elastic isolation device 4 includes two contact baffles 401, a sleeve 402, and a spring 403, which are arranged opposite to each other at the top and bottom of the through hole, and the contact baffles 401 and the spring 403 are arranged in the sleeve 402; an opening is formed in one side of the sleeve 402, and a bottom plate is arranged on the other side of the sleeve; one side of the contact baffle 401 is connected with one end of the spring 403 which is vertically arranged, and the other side of the contact baffle 401 is of a convex arc structure; the other end of the spring 403 is fixed on the bottom plate in the sleeve 402, the arc structure of the contact baffle 401 protrudes relative to the opening of the sleeve 402, and the side wall of the sleeve 402 is fixed outside the first side surface 106; two opposite contact baffles 401 can contact each other, and the contact positions of two contact baffles 401 are on the horizontal middle line of the through opening 107. Because the number of the movable filter discs 2 is at least two, the corresponding through holes 107 are also at least two and are arranged up and down on the first side surface 106, wherein two contact baffle plates 401 are arranged on the outer side of the first side surface 106 between two adjacent through holes, and the two contact baffle plates 401 are back to back with each other, that is, the two contact baffle plates 401 and the other two contact baffle plates 401 respectively form a structure which is opposite up and down. During the moving process, the movable filter disc 2 firstly contacts with the circular arc structures on the two contact baffle plates 401 arranged opposite to each other, the circular arc structures are arranged to push the movable filter disc 2 away from the contact baffle plates 401, even if the contact baffle plates above the movable filter disc move upwards in the vertical direction, the contact baffle plates below the movable filter disc move downwards in the vertical direction, as shown in fig. 2, the circular arc structures of the contact baffle plates 401 in two-to-two opposite contact are protruded relative to the sleeve 402, and meanwhile, the other sides of the contact baffle plates 401 are partially positioned in the sleeve 402, so that the contact baffle plates 401 are limited to move vertically, the contact baffle plates 401 are prevented from following the movable filter disc 2 to move towards the cleaning cavity 3, and the stability of the contact baffle plates 401 and the springs 403 is ensured, thereby ensuring the stability of the barrier. And after the movable filter disc 2 completely enters the cleaning cavity 3, the two opposite contact baffle plates are reset under the action of the spring to keep a contact state so as to continuously play an isolation role. Preferably, the distance between the sleeves 402, opposite to each other in pairs, is greater than the thickness of the movable filter disc 2, so as to ensure that the movable filter disc 2 can pass into the cleaning chamber 3 smoothly. The through opening 107, the touch screen 401 and the sleeves 402 all extend horizontally along a first side, wherein the spring 403 in each sleeve 402 may be a set of several springs 403 parallel to each other to provide sufficient spring force to the touch screen 401.

Preferably, the thickness of the two sides of the movable filter disc 2, which can contact the elastic isolation device 4 during the movement, is gradually reduced. This arrangement facilitates a better fit of the movable filter disc 2 with the arc formation on the touch screen 401 to open the touch screen 401.

Preferably, a plurality of air nozzles 301 are distributed at the top in the cleaning cavity 3, and the air nozzles 301 are connected with a compressed air device; the bottom of the cleaning cavity 3 is provided with a collecting port 302; the collection port 302 is connected to the recovery chamber 304 by a collection conduit 303. An air draft device 305 is arranged on the collecting pipe 302. The purpose of cleaning the powder on the movable filter disc is achieved by arranging the air nozzle to perform high-pressure air injection on the movable filter disc 2.

Preferably, in one embodiment, the number of the movable filter discs 2 is two, the cleaning chamber 3 is provided with a movable brush 5, the movable brush 5 is located between the two movable filter discs 2 in the vertical direction, the top of the movable brush 5 can be in contact with the movable filter disc 2 entering the cleaning chamber 3 and located above the movable brush 5, and the bottom of the movable brush 5 can be in contact with the movable filter disc 2 entering the cleaning chamber 3 and located below the movable brush 5. The movable brush 5 can clean the lower surface of the movable filter disc 2 arranged above or the upper surface of the movable filter disc 2 arranged below. In this embodiment, the movable brush 5 cooperates with the air nozzle 301 to clean the movable filter disc 3, so as to achieve a more significant cleaning effect. The powder brushed down or blown out by compressed air enters the collecting opening 302 below the cleaning cavity 3 through the gap between the periphery of the movable filter disc 3 and the cleaning cavity 3, and the air draft device is matched with the powder to be recovered and recycled into the recovery cavity 304 for recycling.

Of course, in other embodiments, if there are more than two movable filter discs 2, at least one movable brush 5 is disposed between two adjacent movable filter discs 2, so that the movable brush 5 can brush the upper or lower surfaces of all the movable filter discs 2, corresponding to increasing the number of the movable brushes 5.

Preferably, the longitudinal direction of the movable brush 5 is perpendicular to the moving direction of the movable filter disc 2, the longitudinal length of the brush 5 is equal to or greater than the width of the movable filter disc 2, a telescopic oil cylinder 6 is arranged outside one side of the cleaning cavity 3, which is far away from the first side face, and a telescopic rod of the telescopic oil cylinder 6 extends into the cleaning cavity 3 and is vertically connected with the movable brush 5. The movable brush 5 is driven by the telescopic oil cylinder 6 to move back and forth to complete the cleaning of the movable filter disc 2.

Preferably, a telescopic driving mechanism 7 is arranged to drive the movable filter disc to move back and forth between the machine body 1 and the cleaning cavity 3. In one embodiment, as shown in fig. 1, the telescopic driving mechanism 7 is disposed outside the other side of the body 1 opposite to the first side surface 106; the telescopic driving mechanism 7 is provided with a driving rod 701, the driving rod 701 drives the movable filter disc 2 to move from the machine body 1 to the cleaning cavity 3, as can be seen from fig. 1, the driving rod 701 can penetrate into the cleaning cavity, preferably, two opposite contact baffle plates 401 are provided with small holes (not shown in the figure) for the driving rod 701 to penetrate into the cleaning cavity 3, that is, after the moved movable filter disc 2 completely enters the cleaning cavity 3, the contact baffle plates 401 recover to the closed state, but the small holes formed by the contact baffle plates and the contact baffle plates together can be used for the driving rod 701 to movably penetrate, so as to ensure the blocking performance between the machine body 1 and the cleaning cavity 3. Each movable filter tray 2 is connected to a drive rod 701. In other embodiments, the telescopic driving mechanism 7 may also be disposed outside a side of the cleaning cavity 3 away from the first side surface 106, as with the telescopic cylinder 6, and the arrangement of the telescopic cylinder may refer to the description of the telescopic cylinder 6, which is not repeated herein. The telescopic mechanism can be a telescopic cylinder, a telescopic oil cylinder and the like.

Preferably, a second side surface and a third side surface are arranged on the machine body 1 and are both connected with the first side surface, and the second side surface and the third side surface are arranged oppositely; the second side surface and the third side surface are provided with a first horizontal groove (not shown in the figure) for erecting the movable filter disc 2, or the second side surface and the third side surface are provided with a first horizontal rail (not shown in the figure) for supporting the movement of the movable filter disc 2.

Preferably, a second groove (not shown in the figure) is formed in the side surface, corresponding to the same side of the second side surface and the third side surface, of the cleaning cavity 3 for erecting the movable filter disc 2, or a second horizontal rail (not shown in the figure) is formed in the side surface, corresponding to the same side of the second side surface and the third side surface, of the cleaning cavity 3 for supporting the movable filter disc 2 to move.

The invention provides a grinder provided with at least two movable filter discs 2, so that the at least two movable filter discs 2 can be used alternately, when one of the movable filter discs 2 is blocked, the other movable filter disc 2 is used, and the blocked movable filter disc 2 is moved into a cleaning chamber 3 to be cleaned for standby. The movable filter disc 2 entering the cleaning chamber 3 is cleaned by providing the air nozzle 301 and the brush 5, respectively, so that the movable filter disc 2 is ready for use. The telescopic driving mechanism is arranged to drive the movable filter disc to move, namely, the movable filter disc 2 moves from the machine body 1 to the cleaning cavity 3 or from the cleaning cavity 3 to the machine body 1, and the recovery cavity 304 is arranged to recover powder cleaned from the movable filter disc 2, so that waste of the powder is avoided, and benefits are improved. Therefore, when the movable filter disc is blocked, the sand mill is provided with the clean standby movable filter disc 2, so that the continuous work of the mill is ensured, and the discharging speed and the production efficiency are ensured.

It should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.

Claims

1. The utility model provides a recoverable sand mill, includes fuselage (1), be equipped with feed inlet (101) on fuselage (1), fuselage (1) bottom is equipped with discharge gate (102), fuselage (1) inside is equipped with dispersion axle (103), be equipped with dispersion impeller (104) on dispersion axle (103), be provided with motor (105) drive on the roof of fuselage (1) dispersion axle (103), its characterized in that: the novel oil filter is characterized in that a movable filter disc (2) is arranged below a dispersion shaft (103) in the machine body (1), the movable filter disc (2) is provided with at least two parts which are vertically arranged, the machine body (1) comprises a first side surface (106), a cleaning cavity (3) is arranged outside the first side surface (106), through holes (107) corresponding to the movable filter disc (2) in number are formed in the first side surface (106), the movable filter disc (2) can pass through the through holes (107) to enter the cleaning cavity (3), the cleaning cavity (3) is communicated with a recovery cavity (304), the through holes (107) are close to one side of the cleaning cavity (3) and are fixedly provided with elastic isolation devices (4), and each elastic isolation device (4) comprises a contact baffle (401), a sleeve (402) and two pairs of elastic isolation devices (4) which are oppositely arranged up and down on the through holes, A spring (403), the contact baffle (401), spring (403) disposed within the sleeve (402); one side of the sleeve is provided with an opening, and the other side of the sleeve is provided with a bottom plate; one side of the contact baffle (401) is connected with one end of the spring (403) which is vertically arranged, and the other side of the contact baffle (401) is of a convex arc structure; the other end of the spring (403) is fixed on a bottom plate in the sleeve (402), the circular arc structure of the contact baffle (401) is protruded relative to the opening of the sleeve (402), and the sleeve (402) is fixed outside the first side surface (106); every two upper and lower relative contact baffle (401) can contact each other, and two liang the contact position of contact baffle (401) is in on the horizontal midline of opening (107), be provided with flexible actuating mechanism drive portable filter disc realizes fuselage (1) with round trip movement between clean chamber (3), flexible actuating mechanism (7) are equipped with actuating lever (701).

2. The reclaimable sander of claim 1, wherein: the thickness of two side edges of the movable filter disc (2) which can be contacted with the elastic isolation device (4) in the moving process is gradually reduced.

3. A reclaimable sander according to any one of claims 1-2, wherein: a plurality of air nozzles (301) are distributed at the top in the cleaning cavity (3), and the air nozzles (301) are connected with a compressed air device; a collecting port (302) is arranged at the bottom of the cleaning cavity (3); the collection port (302) is connected to the recovery chamber (304) by a collection conduit (303).

4. A reclaimable sander according to any one of claims 1-2, wherein: the cleaning device is characterized in that the number of the movable filter discs (2) is two, movable brushes (5) are arranged in the cleaning cavity (3), the movable brushes (5) are located between the two movable filter discs (2) in the vertical direction, the tops of the movable brushes (5) can be in contact with the movable filter discs (2) entering the cleaning cavity (3) and located above the movable brushes (5), and the bottoms of the movable brushes (5) can be in contact with the movable filter discs (2) entering the cleaning cavity (3) and located below the movable brushes (5).

5. The reclaimable sander of claim 4, wherein: the vertical with the direction of motion of portable filter disc (2) of portable brush (5) is perpendicular, keep away from on clean chamber (3) one side of first side is provided with flexible hydro-cylinder (6) outward, the telescopic link of flexible hydro-cylinder (6) stretches into connect perpendicularly in clean chamber (3) portable brush (5).

6. The reclaimable sander of claim 5, wherein: a second side face and a third side face are arranged on the machine body (1) and are connected with the first side face, and the second side face and the third side face are arranged oppositely; the second side face and the third side face are provided with horizontal grooves used for erecting the movable filter disc (2), or the second side face and the third side face are provided with horizontal rails used for supporting the movable filter disc (2) to move.

7. The reclaimable sander of claim 6, wherein: and the side surface of the cleaning cavity (3) corresponding to the same side of the second side surface and the third side surface is provided with two grooves for erecting the movable filter disc (2), or the side surfaces of the cleaning cavity (3) corresponding to the same side of the second side surface and the third side surface are provided with two horizontal rails for supporting the movement of the movable filter disc (2).