Grinding equipment for producing superfine calcite powder

By setting up protective sheets and filtration systems in the ultrafine calcite powder production equipment, the problem of powder diffusion during the crushing process is solved, and dust collection and operator protection is realized.

CN223197160UActive Publication Date: 2025-08-08ANHUI CHIZHOU FUXIN SUPERFINE POWDER CO LTD
View PDF 1 Cites 0 Cited by

Patent Information

Application Number
CN202422041444.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-22
Publication Date
2025-08-08
Estimated Expiration
2034-08-22

AI Technical Summary

Technical Problem

During the crushing process of existing ultrafine calcite powder production equipment, calcite powder is prone to spread to the working environment, resulting in an increase in dust content and affecting workers' health.

Method used

A grinding device including a crushing frame, a protective sheet, a side tube and a suction pump is designed. Dust is collected through a multi-layer structure of the protective sheet and a filter element, air is extracted by a suction pump and filtered through a filter mesh and sponge block to prevent the powder from diffusion.

Benefits of technology

It effectively reduces the dust content in the working environment, protects workers' breathing health, and prevents fragments from flying out and harming the operator.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223197160U_ABST
    Figure CN223197160U_ABST
Patent Text Reader

Abstract

The utility model relates to the technical field of calcite powder production, and discloses grinding equipment for superfine calcite powder production, which comprises a crushing frame, and a telescopic hydraulic cylinder penetrates through the top of the crushing frame. An air suction pump operates, so that air in the crushing frame is sucked into a side pipe through a small round pipe, then the air enters a filtering piece through a connecting pipe, calcite powder in the air is intercepted by a filtering net, and then the air is subjected to dust filtering again through a sponge block; and therefore, dust generated during calcite crushing can be collected, the dust is prevented from being greatly diffused into the working environment from the interior of the crushing frame, the dust content in the working environment when the grinding equipment is used can be reduced, and the breathing health of workers can be protected.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The utility model relates to the technical field of calcite powder production, in particular to grinding equipment for producing ultrafine calcite powder. Background Art

[0002] Calcite is a calcium carbonate mineral with a wide distribution. Calcite crystals come in a variety of shapes, ranging from clusters of crystals to granular, massive, fibrous, stalactite, and earthy forms. Calcite powder is produced by crushing and grinding decomposed stone. A commonly used powdered inorganic filler, it features high chemical purity, high inertness, resistance to chemical reactions, excellent thermal stability, resistance to decomposition below 400 degrees Celsius, high whiteness, low oil absorption, low refractive index, softness, dryness, absence of water of crystallization, low hardness and abrasion resistance, and is non-toxic, tasteless, odorless, and highly dispersible. Calcite powder is used in a variety of industries, including rubber, plastics, paint, papermaking, and construction.

[0003] The patent document with publication number CN215743649U in the prior art provides a grinding device for producing ultrafine calcite powder. The upper end of the support base of the device is provided with a crushing frame, the interior of the crushing frame is provided with a positioning circular groove, the interior of the positioning circular groove is provided with a corresponding pressure frame, the top of the crushing frame is provided with a telescopic hydraulic cylinder, the output end of the telescopic hydraulic cylinder is provided with a crushing pressure plate, one side of the crushing frame is provided with a grinding chamber, the interior of the grinding chamber is provided with two transmission shafts, the outer wall of the transmission shaft is provided with grinding teeth, the outer wall of one side of the grinding chamber is provided with a transmission frame, and the outer wall of one side of the transmission frame is provided with a driving motor. The machine is provided with a receiving bin under the grinding bin to solve the problem that the finished product obtained during the existing calcite powder grinding production is easily mixed with some large particles of unbroken calcite blocks, which affects the quality of the calcite powder. Although the device has many beneficial effects, it still has the following problems: when the calcite inside the crushing frame is crushed, calcite powder will be generated. At the same time, the front side of the crushing frame is open, and the calcite powder is easy to diffuse into the working environment, causing the calcite dust content in the working environment to increase, thereby affecting the respiratory health of the workers. For this reason, we propose a grinding equipment for the production of ultrafine calcite powder. Utility Model Content

[0004] The purpose of the utility model is to provide a grinding device for producing ultrafine calcite powder, so as to solve the problem in the above background technology that the calcite powder produced by crushing is easily diffused into the working environment.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solution: a grinding device for producing ultrafine calcite powder, comprising:

[0006] A crushing frame, wherein a telescopic hydraulic cylinder is passed through the top of the crushing frame, a grinding chamber is provided on the side wall of the crushing frame, a finished product collection drawer is provided at the bottom of the grinding chamber, and a limiting groove is provided on the side wall of the crushing frame;

[0007] A protective sheet, the protective sheet being fitted to the side wall of the crushing frame, the outer wall of the protective sheet being embedded with an elastic net, the side wall of the protective sheet being provided with a rubber sheet, the side wall of the rubber sheet being provided with a cloth sheet, the top of the protective sheet being provided with a sliding plate, the top of the sliding plate being provided with a soft sheet, and the side wall of the soft sheet being provided with a magnet strip;

[0008] A side tube is provided on the side wall of the sliding plate, a small round tube is provided on the side wall of the side tube that passes through the sliding plate, a connecting tube is provided at the output end of the side tube, a filter is provided at the output end of the connecting tube, a filter screen and a sponge block are provided inside the filter, and an air suction pump is provided at the output end of the filter.

[0009] Preferably, a cover plate is provided on the top of the grinding chamber.

[0010] Preferably, the protective sheet is fitted into the side wall of the limiting groove.

[0011] Preferably, the filter element is fixed to the side wall of the pulverizing frame.

[0012] Preferably, an iron sheet is provided on the top of the crushing frame.

[0013] Preferably, a water injection component is provided on the top of the filter element.

[0014] Preferably, a powder discharge groove is provided at the bottom of the filter element.

[0015] Compared with the prior art, the beneficial effects of the present invention are:

[0016] 1. The utility model is provided with a displacement plate that can be pulled up and down and a protective sheet that cooperates with deformation. When the crushing frame is used to crush calcite, the suction pump is operated so that the air inside the crushing frame is sucked into the inside of the side tube through the small circular tube, and then the air enters the inside of the filter element through the connecting tube. The calcite powder in the air is intercepted by the filter mesh, and then the air is filtered again by the sponge block, so that the dust generated when the calcite is crushed can be collected, and the dust can be prevented from spreading in large quantities from the inside of the crushing frame to the working environment. The dust content in the working environment when the grinding equipment is in use can be reduced, which is beneficial to protecting the respiratory health of workers.

[0017] 2. The utility model collects the air and dust inside the crushing frame while the protective sheet blocks the front side of the crushing frame. The multi-layer structure of the cloth sheet, rubber sheet and elastic net of the protective sheet can be used to buffer and intercept the flying fragments of calcite when the telescopic hydraulic cylinder crushes the calcite, so as to prevent the fragments from flying out of the crushing frame and causing harm to the operator, thereby protecting the operator. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0019] Figure 2 This is a schematic diagram of the internal structure of the filter element of the present invention;

[0020] Figure 3 This is a schematic diagram of the cross-sectional structure of the protective sheet and side tube combination of the present invention.

[0021] In the figure: 100, crushing frame; 101, telescopic hydraulic cylinder; 102, grinding chamber; 110, cover plate; 111, finished product collection drawer; 120, limit slot; 200, protective sheet; 201, elastic net; 202, rubber sheet; 203, cloth sheet; 210, sliding plate; 220, soft film; 221, magnet strip; 222, iron sheet; 300, side tube; 301, small round tube; 310, connecting pipe; 320, filter element; 321, powder discharge trough; 322, water injection element; 323, filter screen; 324, sponge block; 330, suction pump. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0023] Example

[0024] See also Figure 1-Figure 3 The grinding equipment for producing ultrafine calcite powder shown in the figure includes:

[0025] A telescopic hydraulic cylinder 101 is passed through the top of the crushing frame 100, a grinding chamber 102 is provided on the side wall of the crushing frame 100, a finished product collection drawer 111 is provided at the bottom of the grinding chamber 102, and a limiting groove 120 is provided on the side wall of the crushing frame 100;

[0026] The protective sheet 200 is matched with the side wall of the crushing frame 100. The outer wall of the protective sheet 200 is embedded with an elastic net 201. The protective sheet 200 is soft as a whole. When the sliding plate 210 slides downward, the protective sheet 200 can be bent and folded. At this time, the front side of the crushing frame 100 is opened. The elastic net 201 is made of common elastic silk thread. The side wall of the protective sheet 200 is provided with a rubber sheet 202. When the flying fragments impact the rubber sheet 202, the deformation of the rubber sheet can buffer the impact force. The side wall of the rubber sheet 202 is provided with a cloth sheet 2 03. A sliding plate 210 is provided on the top of the protective sheet 200 and is matched with the limiting groove 120. The sliding plate 210 can slide up and down inside the limiting groove 120. The sliding plate 210 is made of common lightweight plastic. A soft sheet 220 is provided on the top of the sliding plate 210. The soft sheet 220 is made of common soft plastic. The side wall of the soft sheet 220 is provided with a magnet strip 221. When the sliding plate 210 is pulled up, the soft sheet 220 is pulled so that the soft sheet 220 is magnetically attracted to the iron sheet 222 by the magnet strip 221 to achieve the positioning of the sliding plate 210.

[0027] The side tube 300 is arranged on the side wall of the sliding plate 210, and the side wall of the side tube 300 is provided with a small round tube 301 that penetrates the sliding plate 210, and the output end of the side tube 300 is provided with a connecting tube 310, and the output end of the connecting tube 310 is provided with a filter element 320, and a filter screen 323 and a sponge block 324 are provided inside the filter element 320. The filter screen 323 uses a stainless steel dust filter commonly found on the market, and the output end of the filter element 320 is provided with an air suction pump 330, and the air suction pump 330 uses a common model on the market.

[0028] Specifically, a cover plate 110 is provided on the top of the grinding chamber 102 .

[0029] Furthermore, the protective sheet 200 is fitted into the side wall of the limiting groove 120 .

[0030] Furthermore, the filter element 320 is fixed to the side wall of the pulverizing frame 100 .

[0031] Furthermore, an iron sheet 222 is provided on the top of the crushing frame 100 .

[0032] It is worth noting that a water injection part 322 is provided on the top of the filter element 320. A round hole that can be sealed with a plug is provided on the top of the water injection part 322. A small hole is provided at the bottom of the water injection part 322. When water is injected into the water injection part 322 through the round hole, the water can soak the sponge block 324 through the round hole.

[0033] It is worth noting that a powder discharge groove 321 is provided at the bottom of the filter element 320 , and a powder discharge hole with a plug is provided on the side wall of the powder discharge groove 321 .

[0034] In addition, the crushing frame 100, the telescopic hydraulic cylinder 101, the grinding bin 102 and the finished product collection drawer 111 and their respective internal structural components and the working principle of cooperating with each other to achieve calcite grinding are detailed in the patent application number CN215743649U for a grinding device for producing ultrafine calcite powder, which has been omitted here. The above-mentioned electrical components and electrical equipment all use external power supplies. The circuits, electronic components and modules involved in the present utility model are all existing technologies and can be fully implemented by those skilled in the art. Needless to say, the content protected by the present utility model does not involve improvements to the internal structure and method.

[0035] Working principle: By setting a displacement plate that can be pulled up and down and a protective sheet 200 that cooperates with the deformation, when the crushing frame 100 is used to crush calcite, the air suction pump 330 is operated so that the air inside the crushing frame 100 is sucked into the side tube 300 through the small round tube 301, and then the air enters the inside of the filter 320 through the connecting tube 310. The calcite powder in the air is intercepted by the filter 323, and then the air is filtered again by the sponge block 324, so that the dust generated when the calcite is crushed can be collected, and the dust can be prevented from being discharged from the inside of the crushing frame 100 to the outside. It diffuses in large quantities in the working environment, which can reduce the dust content in the working environment when the grinding equipment is in use, and is beneficial to protecting the respiratory health of workers; while collecting the air dust inside the crushing frame 100, the protective sheet 200 blocks the front side of the crushing frame 100, and the multi-layer structure of the cloth sheet 203, rubber sheet 202 and elastic net 201 of the protective sheet 200 can be used to buffer and intercept the flying fragments of calcite when the telescopic hydraulic cylinder 101 crushes the calcite, so as to avoid the fragments flying out of the crushing frame 100 and causing harm to the operator, thereby protecting the operator.

[0036] It should be noted that, in this document, relational terms such as first and second, etc., are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprises," "comprising," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that includes a list of elements includes not only those elements but also other elements not explicitly listed, or elements inherent to such process, method, article, or apparatus.

[0037] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. Grinding equipment for producing ultrafine calcite powder, characterized in that: include: A crushing frame (100), wherein a telescopic hydraulic cylinder (101) is passed through the top of the crushing frame (100), a grinding chamber (102) is provided on the side wall of the crushing frame (100), a finished product collection drawer (111) is provided at the bottom of the grinding chamber (102), and a limiting groove (120) is provided on the side wall of the crushing frame (100); A protective sheet (200) is matched with the side wall of the crushing frame (100), an elastic net (201) is embedded in the outer wall of the protective sheet (200), a rubber sheet (202) is provided on the side wall of the protective sheet (200), a cloth sheet (203) is provided on the side wall of the rubber sheet (202), a sliding plate (210) is provided on the top of the protective sheet (200), a soft sheet (220) is provided on the top of the sliding plate (210), and a magnet strip (221) is provided on the side wall of the soft sheet (220); A side tube (300) is provided on the side wall of the sliding plate (210), the side wall of the side tube (300) is provided with a small round tube (301) that penetrates the sliding plate (210), the output end of the side tube (300) is provided with a connecting tube (310), the output end of the connecting tube (310) is provided with a filter element (320), the filter element (320) is provided with a filter screen (323) and a sponge block (324) inside, and the output end of the filter element (320) is provided with an air suction pump (330).

2. The grinding equipment for producing ultrafine calcite powder according to claim 1, characterized in that: A cover plate (110) is provided on the top of the grinding chamber (102).

3. The grinding equipment for producing ultrafine calcite powder according to claim 1, characterized in that: The protective sheet (200) is fitted into the side wall of the limiting groove (120).

4. The grinding equipment for producing ultrafine calcite powder according to claim 1, characterized in that: The filter element (320) is fixed to the side wall of the crushing frame (100).

5. The grinding equipment for producing ultrafine calcite powder according to claim 1, characterized in that: An iron sheet (222) is provided on the top of the pulverizing frame (100).

6. The grinding equipment for producing ultrafine calcite powder according to claim 1, characterized in that: A water injection component (322) is provided on the top of the filter component (320).

7. The grinding equipment for producing ultrafine calcite powder according to claim 1, characterized in that: A powder discharge groove (321) is provided at the bottom of the filter element (320).

Citation Information

Patent Citations

  • Grinding equipment for producing superfine calcite powder

    CN215743649U