Corrosion-resistant sugar production line chain

Abstract

The utility model discloses a corrosion-resistant sugar production line chain which comprises a plurality of chain links connected into the chain, each chain link comprises a shaft pin, a sleeve is sleeved on each shaft pin, a chain plate is connected to the shaft pin on at least one side of each sleeve, a first end of each chain plate is connected to the corresponding shaft pin, and a second end of each chain plate is connected to the corresponding shaft pin. The second end of each chain plate is connected to the next sleeve, at least part of each sleeve is exposed out of the corresponding chain plate, and a sealing ring is arranged between each sleeve and the corresponding chain plate. Sealing rings are additionally arranged on exposed parts on two sides of the sleeve, so that external impurities entering a shaft pin connecting part of the chain are reduced, and the service life of the chain is prolonged.

Description

Technical Field

[0001] The utility model relates to a chain, in particular to a corrosion-resistant sugar production line chain. Background Art

[0002] In some domestic sugar-making equipment occasions, the conveyor chains used cannot adapt to the working environment of the sugar-making assembly line. After use, the chains are severely corroded, resulting in compensation for the use cycle. Due to the complex layout of the sugar-making assembly line, the chain is difficult to replace, which affects the production of the production line and cannot meet the continuous use needs of customers. Therefore, it is necessary to obtain a corrosion-resistant sugar-making assembly line chain that overcomes the above defects. Utility Model Content

[0003] In order to solve the above technical problems, the purpose of the utility model is to provide a corrosion-resistant sugar production line chain, which has the advantages of high corrosion resistance, long service life, high whole chain precision and stable operation.

[0004] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a corrosion-resistant sugar production line chain, comprising a plurality of chain links connected into a chain, the chain link comprising an axle pin, a sleeve is sleeved on the axle pin, a chain plate is connected to the axle pin located on at least one side of the sleeve, the first end of the chain plate is connected to the axle pin, the second end of the chain plate is connected to the next connected sleeve, the sleeve is at least partially exposed from the chain plate, and a sealing ring is provided between the sleeve and the chain plate.

[0005] Among them, the sealing ring can be made of nitrile rubber, which has excellent oil resistance, high wear resistance, good heat resistance, strong adhesion, and will not react with sugar water to cause corrosion.

[0006] The sealing ring is sleeved on the outer wall of the sleeve exposed from the chain plate. A groove is provided on the outer side of the sealing ring so that the circumferential outer wall of the sealing ring forms an elastic ring.

[0007] Through the above technical solution, sealing rings are added to the exposed parts on both sides of the sleeve, which reduces the entry of external impurities into the shaft pin connection part of the chain and improves the service life of the chain.

[0008] The chain plates are arranged on both sides of the sleeve in a symmetrical arrangement. A welded attachment plate is arranged between the two chain plates of at least one chain link. A welded attachment plate is installed at every five-link connection.

[0009] The chain plate is provided with a bending portion so that two sides of the chain plate form a connected outer chain plate and a next connected inner chain plate respectively.

[0010] The shaft pin of at least one chain link is provided with a locking pin at the first end and a pier head at the second end.

[0011] The chain plate is made of carbon steel that has been heat treated and shot peened. The sleeve is made of 05Cr17Ni4Cu4Nb material, and the outer circle is processed by centerless grinding after heat treatment; the shaft sleeve is made of 05Cr17Ni4Cu4Nb material, and the outer diameter of the step is processed by external cylindrical grinding after heat treatment to ensure the outer diameter and coaxiality requirements. The above materials are processed using existing processes to improve the corrosion resistance of the material strip.

[0012] Before assembling several connections, high-quality grease is added between the shaft pin and the sleeve to meet the requirements of sufficient and continuous lubrication of the chain hinge. After the chain is assembled, the pairing method is adopted to improve the elongation synchronization of the chain, that is, the two chains are transmitted synchronously.

[0013] Compared with the prior art, the utility model has the following benefits: the utility model has a simple structure, and a sealing ring is added to reduce the entry of impurities to prevent the chain from getting stuck during stable transmission. BRIEF DESCRIPTION OF THE DRAWINGS

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

[0015] Figure 2 It is a side view of the utility model;

[0016] Figure 3 This is the front view of the welding attachment plate of the utility model;

[0017] 1. Chain link; 2. Axle pin; 3. Sleeve; 4. Chain plate; 5. Sealing ring; 6. Groove; 7. Elastic ring; 8. Welding plate; 9. Outer chain plate; 10. Inner chain plate; 11. Locking pin; 12. Pier head; 13. Step groove; 14. Perforation. DETAILED DESCRIPTION

[0018] In order to enable those skilled in the art to better understand the present invention and to more clearly define the scope of protection claimed by the present invention, the present invention is described in detail below with respect to certain specific embodiments of the present invention. It should be noted that the following are only certain specific implementation methods of the present invention, which are only part of the embodiments of the present invention, and the specific and direct description of the relevant structures is only for the convenience of understanding the present invention, and the specific features do not naturally and directly limit the scope of implementation of the present invention.

[0019] As shown in the attached drawings, the utility model adopts the following technical scheme, a corrosion-resistant sugar production line chain, which has the advantages of high corrosion resistance, long service life, high whole chain precision and stable operation.

[0020] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a corrosion-resistant sugar production line chain, comprising a plurality of chain links 1 connected into a chain, the chain link 1 comprising an axle pin 2, a sleeve 3 is sleeved on the axle pin 2, a chain plate 4 is connected to the axle pin 2 located on at least one side of the sleeve 3, a first end of the chain plate 4 is connected to the axle pin 2, a second end of the chain plate 4 is connected to the next connected sleeve 3, the sleeve 3 is at least partially exposed from the chain plate 4, and a sealing ring 5 is provided between the sleeve 3 and the chain plate 4.

[0021] Among them, the sealing ring can be made of nitrile rubber, which has excellent oil resistance, high wear resistance, good heat resistance, strong adhesion, and will not react with sugar water to cause corrosion.

[0022] The sealing ring 5 is sleeved on the outer wall of the sleeve 3 exposed from the chain plate 4. A groove 6 is provided on the outer side of the sealing ring 5 so that the circumferential outer wall of the sealing ring 5 forms an elastic ring 7.

[0023] Through the above technical solution, the exposed parts on both sides of the sleeve 3 are provided with sealing rings 5, which reduces the entry of external impurities into the connection part of the chain's axle pin 2 and increases the service life of the chain.

[0024] The chain plates 4 are arranged on both sides of the sleeve 3 in a symmetrical arrangement. A welding attachment plate is arranged between the two chain plates 4 of at least one chain link 1. A welding attachment plate 8 is installed at the connection of every five links. A through hole 14 is provided on the welding attachment plate.

[0025] The link plate 4 is provided with a bending portion so that two sides of the link plate 4 form a connected outer link plate 9 and a next connected inner link plate 10 respectively.

[0026] The shaft pin 2 of at least one chain link 1 is provided with a locking pin 11 at a first end and a butt head 12 at a second end.

[0027] A step groove 13 is provided on the outer wall of the sleeve 3 to match the inner link plate 10 .

[0028] The chain plate 4 is made of carbon steel that has been heat treated and shot peened, which improves the strength of the chain plate 4. The sleeve 3 is made of 05Cr17Ni4Cu4Nb material, and the outer circle is processed by centerless grinding after heat treatment; the shaft pin 2 is made of 05Cr17Ni4Cu4Nb material, and the outer diameter of the step is processed by external cylindrical grinding after heat treatment to ensure the outer diameter and coaxiality requirements. The above materials are processed using existing processes to improve the corrosion resistance of the material strip.

[0029] 05Cr17Ni4Cu4Nb material has the characteristics of high strength, hardness and corrosion resistance.

[0030] Before assembling several connections, high-quality grease is added between the shaft pin and the sleeve to meet the requirements of sufficient and continuous lubrication of the chain hinge. After the chain is assembled, the pairing method is adopted to improve the elongation synchronization of the chain, that is, the two chains are transmitted synchronously.

[0031] Compared with the prior art, the utility model has the following benefits: the utility model has a simple structure, and a sealing ring 5 is added to reduce the entry of impurities to prevent the chain from getting stuck during stable transmission.

[0032] The above description is not a limitation of the present invention, and the present invention is not limited to the above examples. Changes, modifications, additions or substitutions made by technicians in this technical field within the essential scope of the present invention should also fall within the protection scope of the present invention.

Claims

1. A corrosion-resistant sugar production line chain, characterized by: The invention comprises a plurality of chain links (1) connected to form a chain, wherein the chain link (1) comprises an axle pin (2), a sleeve (3) is sleeved on the axle pin (2), a chain plate (4) is connected to the axle pin (2) located on at least one side of the sleeve (3), a first end of the chain plate (4) is connected to the axle pin (2), a second end of the chain plate (4) is connected to the next connected sleeve (3), the sleeve (3) is at least partially exposed from the chain plate (4), and a sealing ring (5) is provided between the sleeve (3) and the chain plate (4).

2. The corrosion-resistant sugar production line chain according to claim 1, characterized in that: The sealing ring (5) is sleeved on the outer wall of the sleeve (3) exposed from the chain plate (4).

3. The corrosion-resistant sugar production line chain according to claim 2 is characterized in that: The outer side surface of the sealing ring (5) is provided with a groove (6) so that the circumferential outer wall of the sealing ring (5) forms an elastic ring (7).

4. The corrosion-resistant sugar production line chain according to claim 1, characterized in that: The chain plates (4) are arranged on both sides of the sleeve (3) in a symmetrical arrangement.

5. The corrosion-resistant sugar production line chain according to claim 1, characterized in that: A welded attachment plate is provided between two chain plates (4) of at least one of the chain links (1).

6. The corrosion-resistant sugar production line chain according to claim 1, characterized in that: The chain plate (4) is provided with a bending portion so that two sides of the chain plate (4) respectively form a connected outer chain plate (9) and a next connected inner chain plate (10).

7. The corrosion-resistant sugar production line chain according to claim 1, characterized in that: The shaft pin (2) of at least one chain link (1) is provided with a locking pin (11) at the first end and a pier head (12) at the second end.

8. The corrosion-resistant sugar production line chain according to claim 1, characterized in that: The chain plate (4) is made of carbon steel that has been heat treated and shot peened.

9. The corrosion-resistant sugar production line chain according to claim 1, characterized in that: The sleeve (3) is made of 05Cr17Ni4Cu4Nb material, and its outer diameter is processed by centerless grinding after heat treatment; the shaft pin (2) is made of 05Cr17Ni4Cu4Nb material, and its outer diameter is processed by cylindrical grinding after heat treatment to ensure the outer diameter and coaxiality requirements.

10. The corrosion-resistant sugar production line chain according to claim 1, characterized in that: Before the connection is assembled, lubricating grease is added between the shaft pin (2) and the sleeve (3).

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