A dustproof cementitious material production line plate chain lubrication system

By introducing spiral grooves, conical filters, and air extraction pipes into the plate chain lubrication system, the problems of lubrication system blockage and chain jamming caused by dust have been solved, achieving clean separation of lubricating oil and normal chain operation.

CN224278715UActive Publication Date: 2026-05-26TONGLING TONGGUAN JIANAN NEW ENVIRONMENTAL PROTECTION BUILDING MATERIALS TECH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
TONGLING TONGGUAN JIANAN NEW ENVIRONMENTAL PROTECTION BUILDING MATERIALS TECH CO LTD
Filing Date
2025-07-02
Publication Date
2026-05-26

AI Technical Summary

Technical Problem

When existing plate chain conveyors operate in dusty environments, the lubrication system is easily blocked by dust, resulting in poor chain sealing and easy jamming.

Method used

A dustproof cementitious material production line plate chain lubrication system was designed. It adopts a spiral groove and a dust isolation mechanism, separates solid and liquid particles by centrifugal force, sets up a conical filter screen and an air blowing pipe for filtration, and uses an air extraction pipe to maintain the pressure difference between the lubrication zone and the dust zone to prevent dust from entering the lubrication zone.

Benefits of technology

It effectively prevents oil circuit blockage, keeps lubricating oil clean, avoids chain jamming, and ensures the normal operation of the lubrication system.

✦ Generated by Eureka AI based on patent content.

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Abstract

This utility model relates to the technical field of plate chain lubrication systems, specifically a dustproof plate chain lubrication system for a cementitious material production line. It includes a support base and a chain disposed within the support base. A housing is connected to the support base, and a lubrication mechanism and two dust isolation mechanisms are disposed within the housing. The lubrication mechanism includes an oil delivery pipe, which is fixedly installed within the housing. A spiral groove is formed on the inner circumferential wall of the oil delivery pipe. This dustproof plate chain lubrication system for a cementitious material production line, by incorporating two dust isolation mechanisms, can physically isolate dust from the environment, preventing the formation of sludge that clogs the oil nozzles. The spiral groove on the inner wall of the oil delivery pipe in the lubrication mechanism allows the lubricating oil to automatically rotate during flow, thereby using centrifugal force to throw denser solid particles in the lubricating oil towards the pipe wall, achieving solid-liquid separation.
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Description

Technical Field

[0001] This utility model relates to the technical field of plate chain lubrication systems, specifically a dustproof plate chain lubrication system for a cementitious material production line. Background Technology

[0002] In gel material production lines, plate chain conveyors are used to transport materials, and these conveyors rely on the movement of chains to operate. Due to factors such as production processes and the form of raw materials, a certain amount of dust will be present in the working environment of gel material production lines.

[0003] However, existing plate chains have certain shortcomings in traditional lubrication systems when operating in dusty environments. First, the open oil passages are easily invaded by dust, forming sludge that clogs the grease fittings. Solid particles may also be present in the lubricating oil, exacerbating the blockage and damaging the chain. Second, the chain's poor sealing allows dust to directly enter the gaps between links, easily causing jamming. Therefore, we propose a dustproof plate chain lubrication system for cementitious material production lines. Utility Model Content

[0004] The purpose of this utility model embodiment is to provide a dustproof cementitious material production line plate chain lubrication system, which solves the problems in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution:

[0006] A dustproof cementitious material production line plate chain lubrication system includes a support base and a chain disposed within the support base. A housing is connected to the support base, and a lubrication mechanism and two dust isolation mechanisms are disposed within the housing.

[0007] The lubrication mechanism includes an oil supply pipe, which is fixedly installed inside the housing, and a spiral groove is formed on the inner peripheral wall of the oil supply pipe.

[0008] Preferably, a drain pipe is connected to the periphery of the oil pipeline, one end of the drain pipe is connected to one end of the spiral groove, and the other end of the drain pipe is connected to a sludge collection box.

[0009] Preferably, one end of the oil supply pipe is detachably connected to a lubrication pipe, and an oil injection pipe is connected to the periphery of the lubrication pipe. One end of the oil injection pipe passes through the support base and extends directly above the chain.

[0010] Preferably, a conical filter screen is provided on the inner wall of the lubrication pipe, and the conical filter screen is located between the oil delivery pipe and the oil injection pipe.

[0011] Preferably, the end of the lubrication pipe away from the oil supply pipe is connected to a one-way valve, and the input end of the one-way valve is connected to an air blowing pipe.

[0012] Preferably, the dust isolation mechanism includes a sliding rod that is slidably connected to the inner wall of the housing. A connecting plate is fixedly connected to the bottom end of the sliding rod. The top of the connecting plate is connected to the inner wall of the housing via a spring. An isolation plate is fixedly connected to the bottom of the connecting plate, and the bottom end of the isolation plate is in contact with a chain.

[0013] Preferably, the support base is connected to an air extraction pipe, the bottom end of which extends into the interior of the support base.

[0014] By employing the above technical solution, this utility model provides a dustproof lubrication system for a cementitious material production line. It possesses at least the following beneficial effects:

[0015] (1) The dustproof cementitious material production line plate chain lubrication system can physically isolate dust in the environment by setting two dust isolation mechanisms to avoid the formation of sludge that clogs the oil nozzles. By setting spiral grooves on the inner wall of the oil delivery pipe in the lubrication mechanism, the lubricating oil can automatically rotate during the flow process, thereby throwing the dense solid particles in the lubricating oil to the pipe wall by centrifugal force to achieve solid-liquid separation. Then, the solid particles are guided by the spiral grooves to collect the solid particles, which facilitates the separation of solid particles from the lubrication pipeline and prevents the lubrication pipeline from being blocked.

[0016] (2) The dustproof cementitious material production line plate chain lubrication system can use negative pressure to remove dust from the surface of the chain by setting an air extraction pipe, so as to avoid excessive dust causing the chain to jam. At the same time, it can also create a pressure difference between the dust area and the lubrication area. The pressure difference can further prevent dust from entering the lubrication area, thereby preventing the oil circuit from being blocked.

[0017] (3) The dustproof cementitious material production line plate chain lubrication system can filter the lubricating oil entering the oil injection pipe by setting a conical filter screen to ensure the cleanliness of the lubricating oil entering the oil injection pipe. By setting an air blowing pipe, air can be blown into the lubrication pipe in reverse to blow the impurities on the conical filter screen into the oil delivery pipe, so that the impurities can enter the spiral groove, thereby achieving the cleaning of the filter screen. Attached Figure Description

[0018] The accompanying drawings, which are included to provide a further understanding of the present invention, form part of this application:

[0019] Figure 1 This is a schematic diagram of the overall structure of an embodiment of the present utility model;

[0020] Figure 2 This is a partial structural schematic diagram of an embodiment of the present utility model;

[0021] Figure 3This is a cross-sectional view of the lubrication mechanism in an embodiment of this utility model.

[0022] In the diagram: 1. Support base; 2. Chain; 3. Housing; 4. Lubrication mechanism; 401. Oil supply pipe; 402. Lubrication pipe; 403. Oil injection pipe; 404. Spiral groove; 405. Sewage pipe; 406. Sludge collection box; 407. Conical filter screen; 408. One-way valve; 409. Air blowing pipe; 5. Dust isolation mechanism; 501. Sliding rod; 502. Connecting plate; 503. Isolation plate; 6. Air extraction pipe. Detailed Implementation

[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0024] Please see Figures 1-3 The present invention provides a technical solution as follows:

[0025] A dustproof chain lubrication system for a gelling material production line includes two support seats 1, symmetrically arranged. Each support seat 1 contains a chain 2, which drives a conveyor plate between the two support seats 1 to rotate, thus conveying the gelling material. The support seats 1 cover the chain 2, isolating most dust and preventing dust from entering the chain links and causing jamming. A housing 3 is connected to each support seat 1. The housing 3 contains a lubrication mechanism 4 and two dust isolation mechanisms 5. The two dust isolation mechanisms 5 divide the working area of ​​the chain 2 into a lubrication zone and a dust zone. The lubrication mechanism 4 lubricates the chain 2 in the lubrication zone, while the dust isolation mechanisms 5 physically isolate the two zones, preventing dust from entering the piping of the lubrication mechanism 4.

[0026] Specifically, the lubrication mechanism 4 in this embodiment includes an oil supply pipe 401, which is fixedly installed inside the housing 3. One end of the oil supply pipe 401 passes through the housing 3 and is connected to an external oil supply device. A spiral groove 404 is provided on the inner peripheral wall of the oil supply pipe 401. When lubricating oil with particles flows in the oil supply pipe 401, the spiral groove 404 induces the oil to rotate. At this time, due to the centrifugal force, solid particles with a density greater than that of the oil are thrown towards the pipe wall and enter the spiral groove 404, thereby achieving automatic separation of solid and liquid.

[0027] Furthermore, a drain pipe 405 is connected to the periphery of the oil supply pipe 401. One end of the drain pipe 405 is connected to one end of the spiral groove 404, and the other end of the drain pipe 405 is connected to a sludge collection box 406. Particles move forward along the spiral groove 404 and eventually enter the sludge collection box 406 through the drain pipe 405 under the combined action of the lubricating oil flow direction and the particles' own gravity. Under the action of gravity, they settle to the bottom of the sludge collection box 406 and are collected. The sludge collection box 406 is designed to be detachable for easy removal of the collected solid particles.

[0028] Combination Figure 3 As shown, one end of the oil supply pipe 401 is connected to a lubrication pipe 402 via a thread, flange, or other means that facilitates disassembly and assembly. An oil injection pipe 403 is connected to the periphery of the lubrication pipe 402. The bottom end of the oil injection pipe 403 vertically penetrates the support base 1 and extends directly above the chain 2, used to add lubricating oil to the chain 2. A conical filter screen 407 is provided on the inner wall of the lubrication pipe 402. The conical filter screen 407 has a pore size of 50μm. Setting the filter screen in a conical shape effectively increases the filtration area. The conical filter screen 407 is located between the oil supply pipe 401 and the oil injection pipe 403, that is, the tip of the conical filter screen 407 faces the oil supply direction, and the bottom of the cone faces the direction of the oil injection pipe 403, used to filter the lubricating oil entering the oil injection pipe 403, ensuring the cleanliness of the lubricating oil entering the oil injection pipe 403.

[0029] Furthermore, a one-way valve 408 is connected to the end of the lubrication pipe 402 away from the oil supply pipe 401. An air blowing pipe 409 is connected to the input end of the one-way valve 408. The end of the air blowing pipe 409 away from the one-way valve 408 passes through the housing 3 and is connected to an external air supply device. Air can be blown into the lubrication pipe 402 in reverse through the air blowing pipe 409, blowing the impurities on the conical filter screen 407 into the oil supply pipe 401, so that the impurities can enter the spiral groove 404, thereby cleaning the filter screen. The one-way valve 408 can control the direction of fluid flow and prevent lubricating oil from entering the air blowing pipe 409.

[0030] Please see Figure 3 Two dust isolation mechanisms 5 are symmetrically arranged inside the housing 3. Each dust isolation mechanism 5 includes a sliding rod 501. The surface of the sliding rod 501 is slidably connected to the inner wall of the housing 3. A connecting plate 502 is fixedly connected to the bottom end of the sliding rod 501. The top of the connecting plate 502 is connected to the inner wall of the housing 3 through a spring. An isolation plate 503 is fixedly connected to the bottom of the connecting plate 502. The bottom end of the isolation plate 503 contacts the chain 2. The isolation plate 503 is made of polyurethane board and has a certain elasticity, which can avoid damage to the chain 2. By setting the spring, it can adapt to the shape change of the chain 2 surface. During the operation of the chain 2, the two isolation plates 503 separate the working area of ​​the chain 2, reduce the dust entering the lubrication area, and prevent the oil outlet at the bottom end of the oil spray pipe 403 from being blocked.

[0031] In a preferred embodiment, an exhaust pipe 6 is connected to the support base 1. The bottom end of the exhaust pipe 6 extends into the interior of the support base 1. The exhaust pipe 6 is located in the dust area. One end of the exhaust pipe 6 is connected to a centrifugal fan to form a local negative pressure. When the exhaust pipe 6 is working, there is a pressure difference between the dust area and the lubrication area. The pressure difference can further prevent dust from entering the lubrication area. At the same time, the exhaust pipe 6 can also suck away the dust on the surface of the chain 2, thereby preventing the chain 2 from jamming. The dust can be reused after being collected by the cyclone separator.

[0032] In operation, the dustproof cementitious material production line chain lubrication system of this invention features two isolation plates 503 that move up and down with the rotation of the chain 2. The bottom end of the isolation plates 503 is always in contact with the surface of the chain 2, effectively isolating most of the dust and preventing it from entering the lubrication area. Simultaneously, the dust-laden area within the support base 1 is evacuated through the extraction pipe 6. This process removes dust from the surface of the chain 2, preventing it from jamming, and also creates a pressure difference between the dust-laden area and the lubrication area. This pressure difference further prevents dust from entering the lubrication area, thus avoiding blockage of the oil passages.

[0033] During lubrication, lubricating oil enters the pipe from one end of the oil supply pipe 401. When the lubricating oil passes through the spiral groove 404, the spiral shape forces the lubricating oil to rotate, causing it to be subjected to centrifugal force. Since the solid particles in the lubricating oil are denser, they are thrown against the pipe wall under centrifugal force and enter the spiral groove 404. Driven by the direction of the lubricating oil's movement, the solid particles move along the spiral groove 404 and eventually enter the sludge collection box 406 through the drain pipe 405, settling to the bottom of the sludge collection box 406 under gravity for collection. The lubricating oil then enters the oil spray pipe 403 and is filtered by the conical filter screen 407 before entering the oil spray pipe 403. The clean lubricating oil is added to the chain 2 through the oil spray pipe 403 to lubricate the chain 2, while particulate matter is intercepted on the conical filter screen 407.

[0034] Over time, impurities accumulate on the outer surface of the conical filter screen 407, causing an increase in the pressure difference of the oil passing through the filter screen. Therefore, after the lubrication system has been used for a period of time, the oil supply system is shut off, and air is blown into the air pipe 409 in reverse through an external air supply device. The gas blows the impurities on the conical filter screen 407 into the oil supply pipe 401, allowing the impurities to enter the spiral groove 404. As the lubrication system operates, these particles can eventually enter the dirt collection box 406 through the spiral groove 404, thereby cleaning the filter screen.

[0035] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0036] Although 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 alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A dustproof cementitious material production line plate chain lubrication system, comprising a support base (1) and a chain (2) disposed within the support base (1), characterized in that, The support base (1) is connected to a housing (3), and the housing (3) is provided with a lubrication mechanism (4) and two dust isolation mechanisms (5). The lubrication mechanism (4) includes an oil supply pipe (401), which is fixedly installed inside the housing (3). A spiral groove (404) is provided on the inner peripheral wall of the oil supply pipe (401).

2. The dustproof cementitious material production line plate chain lubrication system according to claim 1, characterized in that, The oil pipeline (401) is connected to a drain pipe (405) on its periphery. One end of the drain pipe (405) is connected to one end of the spiral groove (404), and the other end of the drain pipe (405) is connected to a sludge collection box (406).

3. The dustproof cementitious material production line plate chain lubrication system according to claim 1, characterized in that, One end of the oil supply pipe (401) is detachably connected to a lubrication pipe (402), and an oil injection pipe (403) is connected to the periphery of the lubrication pipe (402). One end of the oil injection pipe (403) passes through the support base (1) and extends directly above the chain (2).

4. The dustproof cementitious material production line plate chain lubrication system according to claim 3, characterized in that, A conical filter (407) is provided on the inner wall of the lubrication pipe (402), and the conical filter (407) is located between the oil supply pipe (401) and the oil injection pipe (403).

5. The dustproof cementitious material production line plate chain lubrication system according to claim 3, characterized in that, The lubrication pipe (402) is connected to a one-way valve (408) at the end away from the oil supply pipe (401), and the input end of the one-way valve (408) is connected to an air blowing pipe (409).

6. The dustproof cementitious material production line plate chain lubrication system according to claim 1, characterized in that, The dust isolation mechanism (5) includes a sliding rod (501), which is slidably connected to the inner wall of the housing (3). A connecting plate (502) is fixedly connected to the bottom end of the sliding rod (501). The top of the connecting plate (502) is connected to the inner wall of the housing (3) by a spring. An isolation plate (503) is fixedly connected to the bottom of the connecting plate (502). The bottom end of the isolation plate (503) is in contact with the chain (2).

7. The dustproof cementitious material production line plate chain lubrication system according to claim 1, characterized in that, The support base (1) is connected to an air extraction pipe (6), the bottom end of which extends into the interior of the support base (1).