High-efficiency wear-resistant rolling mill pull rod sealing structure
By designing a combination structure of dustproof ring, air inlet box and fan on the rolling mill tie rod, the problem of wear of the rolling mill tie rod is solved, dust protection and heat removal effects are achieved, and the safety and practicality of the rolling mill are improved.
Patent Information
- Application Number
- CN202422182252.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-06
- Publication Date
- 2025-07-15
- Estimated Expiration
- 2034-09-06
AI Technical Summary
During the production process, the rolling mill pull rod is susceptible to dust, resulting in wear and tear, and there are hidden dangers of production safety.
A high-efficiency wear-resistant rolling mill tie rod seal structure is designed, including dustproof ring, air inlet box, fan and filter plate. After filtering air, it blows to the outside of the tie rod to prevent dust from entering, and the tie rod can be blown and heated.
Effectively prevent dust from entering the inside of the rolling mill, prevent wear, and improve the safety and practicality of the rolling mill.
Smart Images

Figure CN223105257U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of rolling mill structures, and more specifically, to an efficient wear-resistant rolling mill tie rod sealing structure. Background Technique
[0002] At present, the rolling mill tie rod is a main part of the rolling mill, and all horizontal rolling forces are ultimately borne by the tie rod. Due to the single sealing structure of the rolling mill tie rod, during normal production and processing, dust is likely to enter the rolling mill. If the tie rod is not properly protected, the dust entering the rolling mill can easily cause wear of the tie rod, and over time, potential safety hazards in production are likely to occur. Summary of the Utility Model
[0003] To make up for the above deficiencies, the utility model provides an efficient wear-resistant rolling mill tie rod sealing structure, aiming to improve the problem that dust is likely to enter the rolling mill, and if the tie rod is not properly protected, the dust entering the rolling mill can easily cause wear of the tie rod, and over time, potential safety hazards in production are likely to occur.
[0004] The utility model is implemented as follows: An efficient wear-resistant rolling mill tie rod sealing structure includes a machine body. A tie rod body is installed inside the machine body, and one end of the tie rod body penetrates through the machine body and extends to the outside. A dust-proof ring is slidably sleeved outside the tie rod body. The dust-proof ring is hollow and has an opening on the side relatively close to the tie rod body. The outside of the dust-proof ring is fixedly connected to one side of the machine body. Air inlet boxes are symmetrically arranged outside the dust-proof ring. Both sides of the air inlet box are open, and fans are fixedly installed on the inner wall. A filter plate is installed inside the air inlet box. A plurality of air outlet holes are fixedly installed on the side of the dust-proof ring away from the machine body.
[0005] In a preferred technical solution of the utility model, a plurality of side plates are fixedly installed outside the dust-proof ring. Positioning holes are provided on the side plates. The side plates are fixedly connected to one side of the machine body through bolts. Thread grooves matching the bolts are provided on one side of the machine body. The plurality of side plates are annularly and equidistantly installed outside the dust-proof ring.
[0006] In a preferred technical solution of the utility model, a first sealing ring is fixedly installed on the side of the dust-proof ring relatively close to the machine body. The inner diameter and outer diameter of the first sealing ring are the same as those of the dust-proof ring.
[0007] In a preferred technical solution of the utility model, a second sealing ring is fixedly installed on the side of the dust-proof ring relatively close to the tie rod body. The second sealing ring is in sealed sliding connection with the outside of the tie rod body. The first sealing ring and the second sealing ring are made of the same material.
[0008] In a preferred technical solution of the present utility model, the air outlet holes are inclined, and the air outlet ends of multiple air outlet holes intersect at the pull rod body. A dust-proof net is fixedly installed on the inner wall of the air outlet holes.
[0009] In a preferred technical solution of the present utility model, a chute matching the filter plate is arranged on the inner wall of the air inlet box. The top end of the chute is open. Symmetrically fixed pull buttons are installed at the top end of the filter plate. The cross-section of the pull button is T-shaped. The filter plate is inserted into the chute through the opening of the chute to filter the air inlet end of the air inlet box.
[0010] In a preferred technical solution of the present utility model, grooves are symmetrically arranged on the outer side of the air inlet box. A spring is fixedly installed on one side of the inner wall of the groove. One end of the spring is fixedly installed with a fixing frame. The fixing frame is L-shaped. The bottom end of the fixing frame is slidably connected to the top end of the air inlet box. One end of the fixing frame is slidably connected to the inner wall of the groove. When the filter plate is completely inserted into the chute, the bottom end of the fixing frame is movably connected to the top end of the filter plate.
[0011] In a preferred technical solution of the present utility model, a push plate is fixedly installed at the top end of the fixing frame. The two sides of the top end of the push plate are arc-shaped.
[0012] The beneficial effect of the present utility model is: An efficient wear-resistant rolling mill pull rod sealing structure obtained by the above design of the present utility model sleeved a dust-proof ring on the outer side of the pull rod body and fixed it through side plates, bolts and threaded grooves. Start the fan to filter the outside air through the filter plate and then draw it into the dust-proof ring. The filtered air is then blown out through the air outlet holes to the outside of the pull rod body, thereby preventing dust from entering the inside from the connection between the pull rod body and the machine body. This device is convenient for installation and disassembly, and can also prevent dust from entering the inside of the machine body, prevent dust from rubbing against the pull rod body to cause wear, and at the same time can blow air to the pull rod body to dissipate heat, thereby improving the practicability. Brief Description of the Drawings
[0013] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the following will briefly introduce the drawings required for the embodiments. It should be understood that the following drawings only show some embodiments of the present utility model, and therefore should not be regarded as a limitation of the scope. For those of ordinary skill in the art, without creative efforts, other related drawings can also be obtained based on these drawings.
[0014] Figure 1 is a schematic structural diagram of an efficient wear-resistant rolling mill pull rod sealing structure provided by an embodiment of the present utility model;
[0015] Figure 2 is a schematic structural diagram of the dust-proof ring provided by an embodiment of the present utility model;
[0016] Figure 3 This is a cross-sectional view of the dust-proof ring provided by the embodiment of the present utility model;
[0017] Figure 4 For Figure 3 the enlarged view at position A in
[0018] Figure 5 This is a schematic structural diagram of the air inlet box provided by the embodiment of the present utility model.
[0019] In the figure: 110 - body; 111 - pull rod body; 120 - dust-proof ring; 121 - air inlet box; 1211 - chute; 122 - fan; 123 - filter plate; 1231 - buckle; 124 - air outlet hole; 125 - side plate; 126 - bolt; 127 - first sealing ring; 128 - second sealing ring; 130 - spring; 131 - fixing frame; 132 - push plate. Specific embodiments
[0020] To make the objectives, technical solutions and advantages of the embodiments of the present utility model clearer, the technical solutions in the embodiments of the present utility model will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are part of the embodiments of the present utility model, rather than all of the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.
[0021] Please refer to Figures 1 - 3 , the present utility model provides a technical solution: a high-efficiency wear-resistant rolling mill pull rod sealing structure, including a body 110, a pull rod body 111 is installed in the body 110 and one end of the pull rod body 111 penetrates through the body 110 and extends to the outside. A dust-proof ring 120 is slidably sleeved outside the pull rod body 111. The dust-proof ring 120 is hollow and is open on the side relatively close to the pull rod body 111. The outside of the dust-proof ring 120 is fixedly connected to one side of the body 110. Air inlet boxes 121 are symmetrically arranged outside the dust-proof ring 120. Both sides of the air inlet box 121 are open and fans 122 are fixedly installed on the inner wall. A filter plate 123 is installed in the air inlet box 121. A plurality of air outlet holes 124 are fixedly installed on the side of the dust-proof ring 120 away from the body 110.
[0022] In some specific embodiments, a plurality of side plates 125 are fixedly installed on the outer side of the dust-proof ring 120. Positioning holes are provided on the side plates 125. The side plates 125 are fixedly connected to one side of the machine body 110 through bolts 126. Threaded grooves matching the bolts 126 are provided on one side of the machine body 110. The plurality of side plates 125 are annularly and equidistantly installed on the outer side of the dust-proof ring 120, facilitating the quick installation and disassembly of the dust-proof ring 120, thereby facilitating later maintenance.
[0023] In some specific embodiments, a first sealing ring 127 is fixedly installed on the relatively close side between the dust-proof ring 120 and the machine body 110. The inner diameter and outer diameter of the first sealing ring 127 are the same as those of the dust-proof ring 120. A second sealing ring 128 is fixedly installed on the relatively close side between the dust-proof ring 120 and the pull rod body 111. The second sealing ring 128 is in sealed sliding connection with the outer side of the pull rod body 111. The first sealing ring 127 and the second sealing ring 128 are made of the same material. The settings of the first sealing ring 127 and the second sealing ring 128 improve the sealing effect, thereby preventing dust from entering the interior of the machine body 110.
[0024] In some specific embodiments, the air outlet holes 124 are inclined. The air outlet ends of the plurality of air outlet holes 124 intersect at the pull rod body 111. A dust-proof net is fixedly installed on the inner wall of the air outlet holes 124 to prevent dust from entering the air inlet box 121 when not in use.
[0025] Please refer to Figure 4 and Figure 5 As shown in, a chute 1211 matching the filter plate 123 is provided on the inner wall of the air inlet box 121. The top end of the chute 1211 is open. Pulling buttons 1231 are symmetrically fixedly installed at the top end of the filter plate 123. The cross-section of the pulling buttons 1231 is T-shaped. The filter plate 123 is inserted into the chute 1211 through the opening of the chute 1211 to filter the air inlet end of the air inlet box 121.
[0026] In some specific embodiments, grooves are symmetrically provided on the outer side of the air inlet box 121. One side of the inner wall of the groove is fixedly installed with a spring 130. One end of the spring 130 is fixedly installed with a fixing frame 131. The fixing frame 131 is L-shaped. The bottom end of the fixing frame 131 is slidably connected to the top end of the air inlet box 121. One end of the fixing frame 131 is slidably connected to the inner wall of the groove. When the filter plate 123 is completely inserted into the chute 1211, the bottom end of the fixing frame 131 is movably connected to the top end of the filter plate 123. A push plate 132 is fixedly installed at the top end of the fixing frame 131. The two sides of the top end of the push plate 132 are arc-shaped, facilitating the quick installation and disassembly of the filter plate 123, facilitating the later cleaning of the filter plate 123, and improving the practicability.
[0027] Working principle: When in use, the dust-proof ring 120 is sleeved on the outer side of the pull rod body 111 and fixed through the side plate 125, the bolt 126 and the threaded groove. The fan 122 is started to draw the outside air into the dust-proof ring 120 after filtering through the filter plate 123, and the filtered air is then blown to the outside of the pull rod body 111 through the air outlet hole 124, thereby preventing dust from entering the inside from the connection between the pull rod body 111 and the machine body 110.
[0028] The above is only the preferred embodiment of the present invention and is not intended to limit the present invention. For those skilled in the art, the present invention can have various changes and modifications. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.
Claims
1. An efficient wear-resistant rolling mill tie rod sealing structure, characterized in that, It includes a body, a pull rod body is installed inside the body, and one end of the pull rod body penetrates through the body and extends to the outside. A dust-proof ring is slidably sleeved on the outside of the pull rod body. The dust-proof ring is hollow and has an opening on the side relatively close to the pull rod body. The outside of the dust-proof ring is fixedly connected to one side of the body. Air inlet boxes are symmetrically arranged on the outside of the dust-proof ring. Both sides of the air inlet box are open, and a fan is fixedly installed on the inner wall. A filter plate is installed in the air inlet box. A plurality of air outlet holes are fixedly installed on the side of the dust-proof ring away from the body.
2. The high-efficiency wear-resistant rolling mill tie rod sealing structure according to claim 1, characterized in that, A plurality of side plates are fixedly installed on the outside of the dust-proof ring. Positioning holes are provided on the side plates. The side plates are fixedly connected to one side of the body through bolts. Thread grooves matching the bolts are provided on one side of the body.
3. An efficient wear-resistant rolling mill pull rod sealing structure according to claim 1, characterized in that, A first sealing ring is fixedly installed on the side of the dust-proof ring relatively close to the body.
4. An efficient wear-resistant rolling mill tie rod sealing structure according to claim 1, characterized in that, A second sealing ring is fixedly installed on the side of the dust-proof ring relatively close to the pull rod body. The second sealing ring is in sealed sliding connection with the outside of the pull rod body.
5. An efficient wear-resistant rolling mill tie rod sealing structure according to claim 1, characterized in that, The air outlet holes are inclined. The air outlet ends of the plurality of air outlet holes intersect at the pull rod body. A dust-proof net is fixedly installed on the inner wall of the air outlet holes.
6. The efficient wear-resistant rolling mill pull rod sealing structure according to claim 1, characterized in that, A chute matching the filter plate is provided on the inner wall of the air inlet box. The top of the chute is open. Pulling buckles are symmetrically and fixedly installed at the top of the filter plate.
7. An efficient wear-resistant rolling mill tie rod sealing structure according to claim 1, characterized in that, Grooves are symmetrically arranged on the outside of the air inlet box. A spring is fixedly installed on one side of the inner wall of the groove. A fixing frame is fixedly installed at one end of the spring. The fixing frame is L-shaped. The bottom end of the fixing frame is slidably connected to the top end of the air inlet box.
8. An efficient wear-resistant rolling mill tie rod sealing structure according to claim 7, characterized in that, A push plate is fixedly installed at the top end of the fixing frame. Both sides of the top end of the push plate are arc-shaped.