Pre-crushing device for zinc oxide preparation

Abstract

The utility model relates to the technical field of zinc oxide preparation and application, and discloses a pre-crushing device for zinc oxide preparation, which comprises a crushing box, the inner wall of the crushing box is rotatably connected with a rotating shaft in a penetrating manner, the side wall of the rotating shaft is fixedly connected with a plurality of groups of crushing blocks, the top of the crushing box is fixedly communicated with a feed hopper, and the inner wall of the feed hopper is rotatably connected with a plurality of rotating plates; a coarse filter screen is slidably connected to the inner wall of the crushing box, a fine filter screen is slidably connected to the inner wall of the crushing box, a rotating rod is rotatably connected to the inner wall of the crushing box in a penetrating mode, and cams are symmetrically and fixedly connected to the side wall of the rotating rod. The coarse filter screen and the fine filter screen are driven to move in a reciprocating manner, so that the filtering rate is increased, the speed of the whole treatment process is increased, and the working efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of zinc oxide preparation application, concretely to a pre -crushing device of zinc oxide preparation. BACKGROUND

[0002] Zinc oxide is an inorganic compound, has a variety of important properties and extensive application, as additive can improve the performance of plastic, silicate product, synthetic rubber material, can improve the stability and durability of lubricating oil, paint coating product, can improve the antibacterial and adhesive properties of plaster, adhesive, can be added as zinc supplement to food, also can improve battery performance and flame retardant effect, and also have extensive application in liquid crystal display, thin film transistor, light emitting diode and other products.

[0003] Chinese patent CN219596781U announced a kind of pre -crushing device of nano zinc oxide preparation, including horizontal rectangle box, zinc oxide material, drive motor seat, positioning block, bearing fixed slot, positioning block through-hole, pivot hole, bearing, pivot, variable speed gear box and several zinc oxide material crushing parts.The utility model has the beneficial effect that 1, by the horizontal rectangle box of cooperation, pivot hole, bearing, pivot and variable speed gear box, the zinc oxide material that is added to the horizontal rectangle box in the feeding collection part, feeding port is carried out high -efficient crushing;2, the zinc oxide material sieve plate of additional is screened to the zinc oxide material that is crushed by several zinc oxide material crushing parts, the raw material that meets the preparation nano zinc oxide of wet chemical method (NPP method) is screened after zinc oxide material sieve plate and falls discharge;3, concave limit slot, horizontal limit part cooperation is used, pivot is limited, prevents lateral movement, reaches the safe and fast crushing requirement.

[0004] The above patent proposes a kind of pre -crushing device of nano zinc oxide preparation, when pre -crushing zinc oxide, although filter screen is provided to filter the zinc oxide after crushing, but the position of filter screen is relatively fixed, and then its filtering speed is slow, and the filter screen is provided to prevent still have large piece of zinc oxide not completely crushed, follow other zinc oxide and discharge, and in the crushing process, part of zinc oxide is crushed, and a large amount of powder is generated, these powders do not meet the specifications required for subsequent use, and subsequent separate screening is still required, which reduces screening efficiency.

[0005] Therefore, we propose a kind of pre -crushing device of zinc oxide preparation to solve the above problems. UTILITY MODEL CONTENTS

[0006] The utility model is to provide a kind of pre -crushing device of zinc oxide preparation to solve the above background technique and propose the position of filter screen is relatively fixed, lead to filtering speed slow and powder-like zinc oxide does not meet the specifications required for subsequent use, need separate screening, and the problem of low screening efficiency.

[0007] To achieve the above object, the utility model provides following technical scheme: a pre -crushing device of zinc oxide preparation, including the crushing box, the inner wall of crushing box is connected with the pivot and rotates, the lateral wall of pivot is fixedly connected with a plurality of groups of crushing block, the top of crushing box is fixedly connected with the feed hopper, the inner wall of feed hopper is rotatably connected with a plurality of turning plate, the inner wall of crushing box is slidably connected with coarse filter screen, the inner wall of crushing box is slidably connected with fine filter screen, the inner wall of crushing box is rotatably connected with the pivot rod, the lateral wall of pivot rod is fixedly connected with the cam and is symmetrical.

[0008] Preferably, the pivot and the inner wall of the crushing box are fixedly installed with an auxiliary limiting component, the lateral wall of the pivot is fixedly installed with a positioning component, the bottom of the crushing box is fixedly connected with a plurality of support frames, the lateral wall of the crushing box is fixedly connected with a first discharge pipe, and the bottom of the crushing box is fixedly connected with a second discharge pipe.

[0009] Preferably, the lateral wall of the crushing box is fixedly installed with a first motor, and the output end of the first motor is fixedly connected with one end of the pivot.

[0010] Preferably, the lateral wall of the crushing box is fixedly installed with a second motor, and the output end of the second motor is fixedly connected with one end of the pivot rod.

[0011] Preferably, the inner wall of the crushing box is symmetrically provided with two groups of sliding grooves, the inner wall of the sliding groove is slidably connected with a sliding block, and the lateral wall of the sliding block is fixedly connected with the lateral wall of the adjacent coarse filter screen and fine filter screen.

[0012] Preferably, the inner wall of the sliding groove is fixedly connected with a spring, and one end of the spring away from the inner wall of the sliding groove is fixedly connected with the lateral wall of the adjacent sliding block.

[0013] Compared with the prior art, the utility model has the beneficial effects that:

[0014] 1. In the utility model, the coarse filter screen and the fine filter screen are arranged, so that the user can separate the zinc oxide meeting the requirements and the zinc oxide becoming powder, and then the subsequent separate screening is not needed, and the screening efficiency is improved.

[0015] 2. In the utility model, the spring, the cam and the sliding groove are arranged, so that the user can drive the coarse filter screen and the fine filter screen to reciprocate through the rotation of the cam, and then the filtering rate is accelerated, and then the speed of the whole treatment process is accelerated, and the work efficiency is improved. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is the whole three-dimensional structure schematic diagram of the utility model;

[0017] Figure 2 It is the internal structure schematic diagram of the utility model;

[0018] Figure 3 It is the internal structure section view schematic diagram of the utility model;

[0019] Figure 4 It is Figure 3 It is the structure enlarged schematic view of A part in the middle.

[0020] In the drawing: 1, crushing box; 2, rotating shaft; 3, crushing block; 4, auxiliary limiting assembly; 5, positioning assembly; 6, first motor; 7, feeding hopper; 8, rotating plate; 9, support frame; 10, coarse filter screen; 11, fine filter screen; 12, first discharge pipe; 13, second discharge pipe; 14, rotating rod; 15, cam; 16, second motor; 17, chute; 18, sliding block; 19, spring. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0022] Embodiment one: please refer to Figure 1 - Figure 4 A pre-crushing device for preparing zinc oxide, comprising a crushing box 1, a rotating shaft 2 is rotatably connected through the inner wall of the crushing box 1, a plurality of crushing blocks 3 are fixedly connected to the side wall of the rotating shaft 2, a feeding hopper 7 is fixedly and communicatively connected to the top of the crushing box 1, a plurality of rotating plates 8 are rotatably connected to the inner wall of the feeding hopper 7, the rotating plates 8 can receive the zinc oxide falling from the zinc oxide, reduce the impact of the zinc oxide falling directly from a high place, and further prevent the zinc oxide from directly impacting the structure such as the rotating shaft 2, causing damage to the structure such as the rotating shaft 2, a coarse filter screen 10 is slidably connected to the inner wall of the crushing box 1, a fine filter screen 11 is slidably connected to the inner wall of the crushing box 1, a rotating rod 14 is rotatably connected through the inner wall of the crushing box 1, cams 15 are fixedly and symmetrically connected to the side wall of the rotating rod 14, the coarse filter screen 10 is horizontally arranged inside the crushing box 1, and the fine filter screen 11 has a certain inclination angle, thereby facilitating the discharge of the processed zinc oxide.

[0023] The auxiliary limiting assembly 4 is fixedly installed on the rotating shaft 2 and the inner wall of the crushing box 1, the positioning assembly 5 is fixedly installed on the side wall of the rotating shaft 2, the supporting frame 9 is fixedly connected to the bottom of the crushing box 1, the first discharge pipe 12 is fixedly connected to the side wall of the crushing box 1, the second discharge pipe 13 is fixedly connected to the bottom of the crushing box 1, the auxiliary limiting assembly 4 can limit the rotating process of the rotating shaft 2, and prevent the rotating shaft 2 from being deviated after long-time rotation, and the positioning assembly 5 can prevent the rotating shaft 2 from moving in the horizontal direction.

[0024] The first motor 6 is fixedly installed on the side wall of the crushing box 1, the output end of the first motor 6 is fixedly connected to one end of the rotating shaft 2, and the output end of the first motor 6 can drive the rotating shaft 2 to rotate, thereby controlling the entire pre-crushing process.

[0025] In this embodiment: when the pre-crushing process of zinc oxide is carried out, zinc oxide is first added into the crushing box 1 through the feeding hopper 7, the zinc oxide falls through the rotating plate 8, the rotating plate 8 supports the falling zinc oxide and reduces the impact of the zinc oxide falling directly from a high place, thereby preventing the zinc oxide from directly impacting the rotating shaft 2 and other structures and causing damage to the rotating shaft 2 and other structures, then the first motor 6 is started, the first motor 6 drives the rotating shaft 2 to rotate, the rotating shaft 2 drives the crushing block 3 to rotate, the crushing block 3 crushes the zinc oxide, and the crushed zinc oxide is filtered through the coarse filter screen 10, the zinc oxide meeting the crushing requirements falls to the top of the fine filter screen 11, and the zinc oxide not meeting the requirements is further crushed on the top of the coarse filter screen 10, and at the same time, some zinc oxide that has been crushed into powder is filtered through the fine filter screen 11 and falls to the bottom of the fine filter screen 11, and when the crushing is completed, the zinc oxide meeting the requirements and the powdered zinc oxide are respectively collected through the first discharge pipe 12 and the second discharge pipe 13, thereby improving the screening efficiency.

[0026] Embodiment two: this embodiment is improved on the basis of embodiment one, and specifically, please refer to Figure 2 - Figure 4 The second motor 16 is fixedly installed on the side wall of the crushing box 1, the output end of the second motor 16 is fixedly connected to one end of the rotating rod 14, and the second motor 16 can control the rotating process of the cam 15.

[0027] The two groups of sliding grooves 17 are symmetrically formed in the inner wall of the crushing box 1, the sliding grooves 17 are in sliding connection with the sliding blocks 18, the side wall of the sliding block 18 is fixedly connected with the side wall of the adjacent coarse filter screen 10 and fine filter screen 11, thereby the sliding block 18 can limit the movement track of the coarse filter screen 10 and fine filter screen 11, and prevent the coarse filter screen 10 and fine filter screen 11 from being deviated during movement.

[0028] The spring 19 is fixedly connected to the inner wall of the sliding groove 17, and the end of the spring 19 away from the inner wall of the sliding groove 17 is fixedly connected to the side wall of the adjacent sliding block 18, so that the coarse filter screen 10 and the fine filter screen 11 can be reset after moving.

[0029] In the embodiment, during the screening of the zinc oxide, the second motor 16 is started, the output end of the second motor 16 drives the rotating rod 14 to rotate, the rotating rod 14 drives the cam 15 to rotate, the protruding end of the cam 15 drives the coarse filter screen 10 and the fine filter screen 11 to move, the coarse filter screen 10 and the fine filter screen 11 drive the adjacent sliding block 18 to move, the sliding block 18 compresses the spring 19, and when the protruding end of the cam 15 is no longer in abutment with the side wall of the coarse filter screen 10 and the fine filter screen 11, the coarse filter screen 10 and the fine filter screen 11 are reset under the elastic action of the spring 19, so that the coarse filter screen 10 and the fine filter screen 11 can interact with the cam 15 again, and the coarse filter screen 10 and the fine filter screen 11 can be driven to move again, so that the filtering speed is increased.

[0030] Working principle: during the pre-crushing process of the zinc oxide, the zinc oxide is added into the crushing box 1 through the feeding hopper 7 first, and then the first motor 6 is started, the rotating shaft 2 is driven to rotate by the first motor 6, the crushing block 3 is driven to rotate by the rotating shaft 2, the zinc oxide is crushed by the crushing block 3, and at the same time, the second motor 16 is started, the rotating rod 14 is driven to rotate by the output end of the second motor 16, the cam 15 is driven to rotate by the rotating rod 14, the protruding end of the cam 15 drives the coarse filter screen 10 and the fine filter screen 11 to move, the protruding end of the cam 15 drives the coarse filter screen 10 and the fine filter screen 11 to move, the coarse filter screen 10 and the fine filter screen 11 drive the adjacent sliding block 18 to move, the sliding block 18 compresses the spring 19, when the protruding end of the cam 15 is no longer in abutment with the side wall of the coarse filter screen 10 and the fine filter screen 11, the coarse filter screen 10 and the fine filter screen 11 are reset under the elastic action of the spring 19, so that the coarse filter screen 10 and the fine filter screen 11 can interact with the cam 15 again, the crushed zinc oxide is filtered by the coarse filter screen 10, the zinc oxide meeting the crushing requirements falls to the top of the fine filter screen 11, and the zinc oxide not meeting the requirements is crushed again on the top of the coarse filter screen 10, and at the same time, some of the zinc oxide crushed into powder is filtered by the fine filter screen 11 and falls to the bottom of the fine filter screen 11, and when the crushing is completed, the zinc oxide meeting the requirements and the powdered zinc oxide are collected through the first discharge pipe 12 and the second discharge pipe 13 respectively.

[0031] The contents not described in detail in the specification belong to the prior art known to those skilled in the art.

[0032] Although the utility model has been explained in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or make equivalent replacement to part of the technical features, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A pre-crushing device for the preparation of zinc oxide, comprising a crushing box (1), characterized in that: The through rotating connection has a rotating shaft (2) in the inner wall of the crushing box (1), the side wall of the rotating shaft (2) is fixedly connected with a plurality of crushing blocks (3), the top of the crushing box (1) is fixedly connected with a feeding hopper (7), a plurality of rotating plates (8) are rotatably connected in the inner wall of the feeding hopper (7), a coarse filter screen (10) is slidably connected in the inner wall of the crushing box (1), a fine filter screen (11) is slidably connected in the inner wall of the crushing box (1), a rotating rod (14) is rotatably connected in the inner wall of the crushing box (1), and the side wall of the rotating rod (14) is fixedly connected with a cam (15) in a symmetrical manner.

2. A pre-crushing device for zinc oxide production according to claim 1, characterized in that: The rotating shaft (2) and the inner wall of the crushing box (1) are fixedly connected with an auxiliary limiting assembly (4), the side wall of the rotating shaft (2) is fixedly connected with a positioning assembly (5) in a symmetrical manner, a plurality of supporting frames (9) are fixedly connected to the bottom of the crushing box (1), a first discharge pipe (12) is fixedly connected to the side wall of the crushing box (1), and a second discharge pipe (13) is fixedly connected to the bottom of the crushing box (1).

3. A pre-crushing device for zinc oxide production according to claim 2, characterized in that: The first motor (6) is fixedly installed on the side wall of the crushing box (1), and the output end of the first motor (6) is fixedly connected with one end of the rotating shaft (2).

4. A pre-crushing device for zinc oxide according to claim 3, characterized in that: The second motor (16) is fixedly installed on the side wall of the crushing box (1), and the output end of the second motor (16) is fixedly connected with one end of the rotating rod (14).

5. A pre-crushing device for zinc oxide production according to claim 4, characterized in that: The inner wall of the crushing box (1) is symmetrically provided with two groups of sliding grooves (17), the inner wall of the sliding groove (17) is slidably connected with a sliding block (18), and the side wall of the sliding block (18) is fixedly connected with the side wall of the adjacent coarse filter screen (10) and fine filter screen (11).

6. A pre-crushing device for zinc oxide according to claim 5, characterized in that: The inner wall of the sliding groove (17) is fixedly connected with a spring (19), and one end of the spring (19) away from the inner wall of the sliding groove (17) is fixedly connected with the side wall of the adjacent sliding block (18).

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