Nano calcium carbonate filter cake crushing device

Abstract

The utility model relates to the technical field of nano calcium carbonate, in particular to a nano calcium carbonate filter cake smashing device which comprises a smashing box, fixing supporting legs are fixedly connected to the four corners of the bottom of the smashing box, a pre-smashing box penetrates through the top of the smashing box and is fixedly connected with the top of the smashing box, and a feeding assembly is arranged on one side of the top of the pre-smashing box. A pre-crushing assembly is arranged in an inner cavity of the pre-crushing box, an arc-shaped protrusion is arranged at the center of the inner bottom wall of the pre-crushing box, first filter screen plates are symmetrically arranged on the inner bottom wall of the pre-crushing box, the bottom wall of an inner cavity of the crushing box is obliquely arranged, and a second filter screen plate is arranged in the inner cavity of the crushing box. A crushing assembly is arranged above the second filter screen plate, and a collecting assembly is arranged below the crushing box, in the crushing device, a double crushing structure is adopted, so that the crushing degree of the crushing device is enough fine and thorough, larger particles are not easy to generate, and the situation that the overall crushing quality is reduced due to non-uniform crushing is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of nano calcium carbonate, in particular to a nano calcium carbonate filter cake crushing device. Background Art

[0002] Nano calcium carbonate is also called ultrafine calcium carbonate. Its standard name is ultrafine calcium carbonate. The most mature industry for the application of nano calcium carbonate is the plastics industry, where it is mainly used in high-end plastic products. It can improve the rheological properties of plastic masterbatch and improve its formability. It can be used as a plastic filler to enhance toughness and reinforcement, improve the flexural strength and flexural elastic modulus, heat deformation temperature and dimensional stability of plastics, and also give plastics thermal hysteresis. Nano calcium carbonate used in ink products shows excellent dispersibility, transparency, and gloss, as well as excellent ink absorption and high drying properties. Nano calcium carbonate is used as an ink filler in resin-based inks, and has the advantages of good stability, high gloss, no effect on the drying properties of printing inks, and strong adaptability.

[0003] The crushing of nano calcium carbonate filter cake requires a crushing device. Although the traditional crushing device has the crushing ability, it still has some shortcomings. For example, its crushing structure is relatively simple, so its crushing degree is not fine and thorough enough, and it is easy to produce larger particles, which will reduce the overall crushing quality due to uneven crushing. Therefore, a nano calcium carbonate filter cake crushing device is proposed to address the above problems. Utility Model Content

[0004] The purpose of the utility model is to provide a nano calcium carbonate filter cake crushing device, which adopts a double crushing structure, so that its crushing degree is sufficiently fine and thorough, and it is not easy to produce large particles, thereby avoiding the reduction of the overall crushing quality due to uneven crushing, so as to solve the problems raised in the above-mentioned background technology.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A nano calcium carbonate filter cake crushing device comprises a crushing box, wherein the four corners of the bottom of the crushing box are fixedly connected with fixed legs, the top of the crushing box passes through and is fixedly connected with a pre-crushing box, a feeding assembly is provided on one side of the top of the pre-crushing box, the inner cavity of the pre-crushing box is provided with a pre-crushing assembly, the center of the inner bottom wall of the pre-crushing box is an arc-shaped protrusion and the inner bottom wall of the pre-crushing box is symmetrically provided with a first filter screen plate, the inner cavity bottom wall of the crushing box is inclined and the inner cavity of the crushing box is provided with a second filter screen plate, a crushing assembly is provided above the second filter screen plate, and a collecting assembly is provided below the crushing box.

[0007] Preferably, the feed assembly comprises a feed hopper, the bottom end of which passes through one side of the top wall of the pre-crushing box and is connected to the inner cavity of the pre-crushing box, the top of the feed hopper is hinged with a hopper cover via a hinge shaft, and an opening and closing handle is fixedly connected to the hopper cover.

[0008] Preferably, the pre-crushing assembly includes a driving motor fixedly connected to the center of the top wall of the pre-crushing box, a folding transmission shaft is fixedly connected to the output end of the driving motor, and the bottom end of the transmission shaft passes through the top wall of the pre-crushing box and extends to the inner cavity of the pre-crushing box.

[0009] Preferably, a plurality of groups of pre-crushing blades are longitudinally equidistantly arranged and fixedly connected on the transmission shaft, and the pre-crushing blades are staggered with one long and one short.

[0010] Preferably, the crushing assembly includes a rotating motor fixedly connected to the center of the bottom wall of the second filter screen, the output end of the rotating motor passes through the second filter screen and a transmission seat is fixedly connected to this end, crushing rollers are symmetrically fixed on both side walls of the transmission seat and crushing teeth are provided on the outer surface of the crushing rollers.

[0011] Preferably, the collecting assembly includes a collecting groove opened at the center of the bottom wall of the crushing box and a collecting box fixedly connected at the center of the bottom wall of the crushing box, the inner cavity of the collecting box is slidably connected with a collecting drawer and the collecting drawer is connected to the crushing box through the collecting groove.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] In the utility model, the nano calcium carbonate filter cake can be introduced into the pre-crushing box through the provided feeding component, the nano calcium carbonate filter cake can be pre-crushed through the provided pre-crushing component, and the nano calcium carbonate filter cake can be crushed into a certain volume specification, thereby providing a good basis for subsequent re-crushing thereof, the nano calcium carbonate filter cake can be initially filtered through the provided first filter screen plate, the nano calcium carbonate filter cake with qualified volume specification can be introduced into the crushing box, the nano calcium carbonate filter cake with unqualified volume specification can be blocked, and the nano calcium carbonate filter cake with unqualified volume specification can continue to be pre-crushed until the volume specification is qualified, thereby ensuring the pre-crushing effect of the nano calcium carbonate filter cake, the pre-crushed nano calcium carbonate filter cake can be re-crushed through the provided crushing component, the crushing degree of the nano calcium carbonate filter cake after double crushing is sufficiently refined and thorough, and it is not easy to produce large particles, thereby avoiding the reduction of the overall crushing quality due to the uneven crushing, and the nano calcium carbonate that has been crushed by the provided collecting component can be centrally collected for subsequent processing thereof. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1It is the front view of the utility model;

[0015] Figure 2 It is a structural schematic diagram of the utility model;

[0016] Figure 3 It is a schematic structural diagram of the crushing assembly of the utility model.

[0017] In the figure: 1. crushing box; 2. pre-crushing box; 3. feeding assembly; 301. feeding hopper; 302. hopper cover; 4. pre-crushing assembly; 401. driving motor; 402. transmission shaft; 403. pre-crushing blades; 5. first filter plate; 6. second filter plate; 7. crushing assembly; 701. rotating motor; 702. transmission seat; 703. crushing roller; 704. crushing teeth; 8. collecting assembly; 801. collecting trough; 802. collecting box; 803. collecting drawer. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in 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 in 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.

[0019] In the description of the present utility model, it needs to be understood that the directions or positional relationships indicated by directional words such as "front, back, up, down, left, right", "lateral, vertical, perpendicular, horizontal" and "top, bottom" are usually based on the directions or positional relationships shown in the drawings, and are only for the convenience of describing the present utility model and simplifying the description. Unless otherwise specified, these directional words do not indicate or imply that the device or element referred to must have a specific direction or be constructed and operated in a specific direction, and therefore cannot be understood as limiting the scope of protection of the present utility model; the directional words "inside and outside" refer to the inside and outside relative to the contours of each component itself.

[0020] In addition, it should be noted that the use of terms such as "first" and "second" to limit components is only for the convenience of distinguishing the corresponding components. If not otherwise stated, the above terms have no special meaning and therefore cannot be understood as limiting the scope of protection of the utility model.

[0021] See also Figure 1-3 , the utility model provides a technical solution:

[0022] A nano calcium carbonate filter cake crushing device comprises a crushing box 1, wherein the four corners of the bottom of the crushing box 1 are fixedly connected with fixed legs, the top of the crushing box 1 passes through and is fixedly connected with a pre-crushing box 2, a feeding component 3 is provided on one side of the top of the pre-crushing box 2, a pre-crushing component 4 is provided in the inner cavity of the pre-crushing box 2, an arc-shaped protrusion is provided at the center of the inner bottom wall of the pre-crushing box 2, and a first filter screen plate 5 is symmetrically provided on the inner bottom wall of the pre-crushing box 2, the inner cavity bottom wall of the crushing box 1 is inclined, and the inner cavity of the crushing box 1 is provided with a second filter screen plate 6, a crushing component 7 is provided above the second filter screen plate 6, and a collecting component 8 is provided below the crushing box 1.

[0023] The feeding assembly 3 includes a feeding hopper 301, the bottom end of which penetrates one side of the top wall of the pre-crushing box 2 and is connected to the inner cavity of the pre-crushing box 2, the top of the feeding hopper 301 is hinged with a hopper cover 302 through a hinge shaft, and the hopper cover 302 is fixedly connected with an opening and closing handle, and the feeding assembly 3 can introduce the nano calcium carbonate filter cake into the pre-crushing box 2; the pre-crushing assembly 4 includes a driving motor 401 fixedly connected to the center of the top wall of the pre-crushing box 2, and a folding type transmission is fixedly connected to the output end of the driving motor 401. The bottom end of the transmission shaft 402 penetrates the top wall of the pre-crushing box 2 and extends to the inner cavity of the pre-crushing box 2. A plurality of pre-crushing blades 403 are arranged longitudinally and equidistantly and fixedly connected on the transmission shaft 402. The pre-crushing blades 403 are staggered with one long and one short. The pre-crushing assembly 4 can pre-crush the nano-calcium carbonate filter cake and crush the nano-calcium carbonate filter cake into a certain volume specification, providing a good foundation for subsequent re-crushing. The crushing assembly 7 includes a fixed connection arranged at A rotating motor 701 is provided at the center of the bottom wall of the second filter screen plate 6, and the output end of the rotating motor 701 passes through the second filter screen plate 6 and is fixedly connected to a transmission seat 702. Crushing rollers 703 are symmetrically fixedly provided on the two side walls of the transmission seat 702, and crushing teeth 704 are provided on the outer surface of the crushing rollers 703. The crushing assembly 7 can crush the pre-crushed nano calcium carbonate filter cake again. The crushing degree of the nano calcium carbonate filter cake after double crushing is sufficiently refined and thorough, and it is not easy to produce large particles, thereby avoiding the reduction of the overall crushing quality due to uneven crushing; the collecting assembly 8 includes a collecting groove 801 provided at the center of the bottom wall of the crushing box 1 and a collecting box 802 fixedly connected to the center of the bottom wall of the crushing box 1. The inner cavity of the collecting box 802 is slidably connected to a collecting drawer 803, and the collecting drawer 803 is connected to the crushing box 1 through the collecting groove 801. The collecting assembly 8 can collect the double-crushed nano calcium carbonate in a centralized manner for subsequent processing.

[0024] Working process: firstly, all electrical appliances are powered on, the feed hopper 301 can guide the nano-calcium carbonate filter cake into the pre-crushing box 2, and the setting of the hopper cover 302 can seal and protect the feed hopper 301 when no material is guided, to prevent other debris from entering the pre-crushing box 2, the pre-crushing component 4 can pre-crush the nano-calcium carbonate filter cake, and crush the nano-calcium carbonate filter cake into a certain volume specification, providing a good foundation for subsequent re-crushing, start the drive motor 401, the drive motor 401 will drive the transmission shaft 402 to rotate, and the nano-calcium carbonate filter cake is crushed by the pre-crushing blades 403 thereon, the first filter screen plate 5 can perform the initial filtration of the nano-calcium carbonate filter cake, and the nano-calcium carbonate filter cake with qualified volume specifications is introduced into the crushing box 1, and the nano-calcium carbonate filter cake with unqualified volume specifications is blocked to prevent it from continuing to enter The nano calcium carbonate filter cake is pre-crushed until the volume specification is qualified to ensure the pre-crushing effect of the nano calcium carbonate filter cake. The crushing component 7 can crush the pre-crushed nano calcium carbonate filter cake again. The crushing degree of the nano calcium carbonate filter cake after double crushing is sufficiently refined and thorough, and it is not easy to produce large particles, thereby avoiding the overall crushing quality being reduced due to uneven crushing. The rotating motor 701 is started, and the rotating motor 701 drives the crushing roller 703 to rotate through the transmission seat 702, and the nano calcium carbonate filter cake is crushed by the crushing teeth 704 thereon. The collecting component 8 can collect the double-crushed nano calcium carbonate in a centralized manner for subsequent processing. The crushing box 1 guides the nano calcium carbonate to the collecting tank 801 through the inclined bottom wall, and finally introduces it into the collecting drawer 803 in the collecting box 802 through the collecting tank 801.

[0025] The contents not described in detail in this specification belong to the prior art known to the professional and technical personnel in this field. The standard parts used in this utility model can be purchased from the market, and the special-shaped parts can be customized according to the description and the drawings. The specific connection methods of each part adopt the conventional means such as bolts, rivets, welding, etc. in the prior art. The machinery, parts and equipment all adopt the conventional models in the prior art, and the circuit connection adopts the conventional connection method in the prior art, which will not be described in detail here.

[0026] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the scope and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A nano calcium carbonate filter cake crushing device, comprising a crushing box (1), characterized in that: The four corners of the bottom of the crushing box (1) are fixedly connected with fixed legs, the top of the crushing box (1) passes through and is fixedly connected with a pre-crushing box (2), a feeding assembly (3) is provided on one side of the top of the pre-crushing box (2), the inner cavity of the pre-crushing box (2) is provided with a pre-crushing assembly (4), the center of the inner bottom wall of the pre-crushing box (2) is an arc-shaped protrusion and the inner bottom wall of the pre-crushing box (2) is symmetrically provided with a first filter screen plate (5), the inner cavity bottom wall of the crushing box (1) is inclined and the inner cavity of the crushing box (1) is provided with a second filter screen plate (6), a crushing assembly (7) is provided above the second filter screen plate (6), and a collecting assembly (8) is provided below the crushing box (1).

2. A nano calcium carbonate filter cake crushing device according to claim 1, characterized in that: The feeding assembly (3) comprises a feeding hopper (301), the bottom end of which passes through one side of the top wall of the pre-crushing box (2) and is in communication with the inner cavity of the pre-crushing box (2), and the top of the feeding hopper (301) is hingedly connected to a hopper cover (302) via a hinge shaft, and an opening and closing handle is fixedly connected to the hopper cover (302).

3. A nano calcium carbonate filter cake crushing device according to claim 1, characterized in that: The pre-shredding assembly (4) comprises a driving motor (401) fixedly connected to the center of the top wall of the pre-shredding box (2), a folding transmission shaft (402) fixedly connected to the output end of the driving motor (401), and the bottom end of the transmission shaft (402) passes through the top wall of the pre-shredding box (2) and extends to the inner cavity of the pre-shredding box (2).

4. A nano calcium carbonate filter cake crushing device according to claim 3, characterized in that: A plurality of groups of pre-crushing blades (403) are longitudinally arranged at equal intervals and fixedly connected on the transmission shaft (402), and the pre-crushing blades (403) are arranged alternately with one long and one short.

5. A nano calcium carbonate filter cake crushing device according to claim 1, characterized in that: The pulverizing assembly (7) comprises a rotating motor (701) fixedly connected to the center of the bottom wall of the second filter screen plate (6), the output end of the rotating motor (701) passes through the second filter screen plate (6) and is fixedly connected to a transmission seat (702), and pulverizing rollers (703) are symmetrically fixedly provided on both side walls of the transmission seat (702), and pulverizing teeth (704) are provided on the outer surface of the pulverizing rollers (703).

6. A nano calcium carbonate filter cake crushing device according to claim 1, characterized in that: The collecting assembly (8) comprises a collecting groove (801) opened at the center of the bottom wall of the pulverizing box (1) and a collecting box (802) fixedly connected to the center of the bottom wall of the pulverizing box (1); a collecting drawer (803) is slidably connected to the inner cavity of the collecting box (802), and the collecting drawer (803) is connected to the pulverizing box (1) through the collecting groove (801).

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