Roll gap adjusting tool of pre-finishing mill
By designing a pre-finishing mill rolling mill rolling seam adjustment tool, and using the connecting mechanism and force arm mechanism to fix the square head and connecting rod, the problem of easy slipping of the wrench in the prior art is solved, and a more efficient and safe roll seam adjustment is achieved.
Patent Information
- Application Number
- CN202420819788.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-19
- Publication Date
- 2025-03-28
- Estimated Expiration
- 2034-04-19
AI Technical Summary
The existing pre-finishing mill rolling mill rolling slot adjustment device is easy to slip when using wrench, which is time-consuming and labor-intensive and has safety risks.
A pre-finishing mill rolling mill rolling slot adjustment tool is designed to fix the square head and the force arm mechanism together through the connecting mechanism, and the rotating arm mechanism is used to drive the connecting rod and the square head to rotate to realize the adjustment of the roller seam, and at the same time, the square head and the connecting cavity are matched to prevent slipping.
It effectively prevents the square head and the connecting rod from slipping during rotation, improves adjustment efficiency and safety, and reduces the difficulty of manpower operation.
Smart Images
Figure CN222679107U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of pre-finishing rolling mills, in particular to the field of pre-finishing rolling mill roll gap adjustment, and specifically relates to a pre-finishing rolling mill roll gap adjustment tool. Background Art
[0002] During the normal production of the three-roll high-speed line, the process size of the pre-finishing roll ring groove becomes larger due to excessive steel wear, which does not meet the rolling process requirements. It is necessary to regularly measure the roll ring process hole type. If the roll ring process hole type becomes larger, the roll gap of the two sets of roll rings must be contracted, and the device used is an adjustment mechanism. In the past, the pre-finishing adjustment mechanism was adjusted by adjusting the square head on the adjustment mechanism and using a force rod wrench, which was time-consuming and labor-intensive, and the wrench was easy to slip off, posing certain safety hazards. Utility Model Content
[0003] The utility model provides a pre-finishing mill roll gap adjustment tool to solve the problem that the square head is easy to slip when adjusting the square head with a wrench in the prior art. The connecting mechanism in the utility model connects the square head and the force arm mechanism together, and drives the connecting mechanism and the square head to rotate by rotating the force arm mechanism, so as to adjust the roll gap of the pre-finishing mill through the adjusting mechanism.
[0004] The technical solution adopted by the pre-finishing mill roll gap adjustment tool of the utility model is:
[0005] The utility model provides a pre-finishing mill roll gap adjustment tool, comprising a square head arranged on a pre-finishing mill adjustment mechanism, and also comprising a connecting mechanism matched with the square head, the connecting mechanism comprising a connecting rod, one end of the connecting rod is provided with a connecting cavity matched with the square head, and the other end of the connecting rod is provided with a hexagonal bolt head;
[0006] It also includes a lever mechanism that matches the hexagonal bolt head. The lever mechanism includes a lever rod. One end of the lever rod is provided with a connecting hole that matches the hexagonal bolt head. A fixing rod is slidably arranged on the lever rod to fix the hexagonal bolt head in the connecting hole. The fixing rod can pass through the connecting hole and the hexagonal bolt head.
[0007] In this further technical solution, when it is necessary to adjust the roll gap of the pre-finishing mill, first insert the square head into the connecting cavity, then insert the hexagonal bolt head into the connecting hole, and insert the fixing rod into the connecting hole and the hexagonal bolt head, so that the connecting rod and the force arm rod are fixedly connected together, and the force arm rod can be driven to rotate by rotating the connecting rod, and the rotating connecting rod drives the square head and the adjustment mechanism to rotate, so as to adjust the distance between the roll gaps; at the same time, through the mutual cooperation between the square head and the connecting cavity, the square head and the connecting rod can be prevented from slipping when the square head is rotated.
[0008] Furthermore, a first through hole communicating with the connecting cavity is formed at a position of the connecting rod corresponding to the connecting cavity, and a first internal threaded hole matching with the first through hole is formed at the square head.
[0009] In this further technical solution, when the square head is inserted into the connecting cavity, the first through hole is connected to the first internal threaded hole. By inserting bolts into the first through hole and the first internal threaded hole, the square head and the connecting rod can be fixed together, thereby further preventing the square head and the connecting rod from slipping.
[0010] Furthermore, a first slide groove is opened on the lever arm along its length direction, and a first slider is slidably arranged in the first slide groove; wherein, the fixed rod is arranged in parallel in the first slide groove, and one end of the fixed rod is fixedly connected to the first slider.
[0011] In this further technical solution, by adjusting the position of the first sliding block in the first sliding groove, the fixing rod can be driven to move in the first sliding groove, thereby facilitating the insertion of the fixing rod into the connecting hole and the hexagonal bolt head.
[0012] Furthermore, a fixing head is fixedly provided at one end of the force arm rod having a connecting hole, and the fixing rod passes through the connecting hole and is inserted into the fixing head.
[0013] In this further technical solution, when the fixing rod is inserted into the connecting hole and the hexagonal bolt head, the fixing rod can be further inserted into the fixing head, thereby connecting the connecting rod and the lever arm rod more firmly.
[0014] Furthermore, a second through hole is opened at a position of the connecting hole corresponding to the first slide groove, and a plug hole connected to the second through hole is opened at a position of the fixing head corresponding to the second through hole, and a third through hole matching with the second through hole is opened on the hexagonal bolt head.
[0015] In this further technical solution, the second through hole is provided to facilitate the insertion of the fixing rod into the connecting hole; the third through hole is provided to facilitate the insertion of the fixing rod into the hexagonal bolt head; and the insertion hole is provided to facilitate the insertion of the fixing rod into the fixing head.
[0016] Furthermore, a fourth through hole is formed at one end of the fixing rod away from the first sliding block, and a second internal threaded hole connected to the insertion hole is formed at a position of the fixing head corresponding to the insertion hole.
[0017] In this further technical solution, after the fixing rod is inserted into the fixing head, the fourth through hole is connected to the second internal threaded hole. By inserting bolts into the fourth through hole and the second internal threaded hole, the fixing rod and the fixing head can be fixedly connected together, thereby fixing the connecting rod and the lever arm rod together.
[0018] Furthermore, the second internal threaded hole is perpendicular to the insertion hole.
[0019] The beneficial effects of the utility model are:
[0020] 1. In the pre-finishing mill roll gap adjustment tool, when the roll gap of the pre-finishing mill needs to be adjusted, the square head is first inserted into the connecting cavity, and then the hexagonal bolt head is inserted into the connecting hole, and the fixing rod is inserted into the connecting hole and the hexagonal bolt head, so that the connecting rod and the force arm rod are fixedly connected together, and the connecting rod can be driven to rotate by rotating the force arm rod, and the rotating connecting rod drives the square head and the adjustment mechanism to rotate, so as to adjust the distance between the roll gaps; at the same time, through the mutual cooperation of the square head and the connecting cavity, the square head and the connecting rod can be prevented from slipping when the square head is rotated.
[0021] 2. In the pre-finishing mill roll gap adjustment tool, through the first through hole and the first internal threaded hole, when the square head is inserted into the connecting cavity, the first through hole is connected with the first internal threaded hole, and the square head and the connecting rod can be fixedly connected together by inserting bolts into the first through hole and the first internal threaded hole, thereby further preventing the square head and the connecting rod from slipping off.
[0022] 3. In the pre-finishing mill roll gap adjustment tool, through the second through hole and the third through hole, when the hexagonal bolt head is located in the connecting hole, the second through hole and the third through hole are connected, and by inserting the fixing rod into the second through hole and the third through hole, the hexagonal bolt head and the connecting hole can be fixedly connected together, thereby fixing the connecting rod and the lever arm together to prevent the connecting rod and the lever arm from slipping during rotation. BRIEF DESCRIPTION OF THE DRAWINGS
[0023] Figure 1 It is a structural schematic diagram of a pre-finishing mill roll gap adjustment tool provided by an embodiment of the utility model;
[0024] Figure 2 It is a schematic diagram of the exploded structure of a pre-finishing mill roll gap adjustment tool provided by an embodiment of the utility model;
[0025] Figure 3 It is a structural schematic diagram of a connecting rod of a pre-finishing mill roll gap adjustment tool provided by an embodiment of the utility model;
[0026] Figure 4 It is a schematic cross-sectional structure diagram of a force arm mechanism of a roll gap adjustment tool of a pre-finishing mill provided by an embodiment of the utility model.
[0027] In the accompanying drawings: 1. square head; 2. connecting mechanism; 3. connecting rod; 4. connecting cavity; 5. hexagonal bolt head; 6. lever arm mechanism; 7. lever arm rod; 8. connecting hole; 9. fixing rod; 10. first through hole; 11. first internal threaded hole; 12. first slide groove; 13. first slider; 14. fixing head; 15. second through hole; 16. jack; 17. third through hole; 18. fourth through hole; 19. second internal threaded hole. DETAILED DESCRIPTION
[0028] In order to make the purpose, technical solution and advantages of the utility model clearer, the utility model is further described in detail below in combination with specific implementation methods and with reference to the accompanying drawings. In the following description, the description of the known structure and technology is omitted to avoid unnecessary confusion of the concept of the utility model.
[0029] First reference Figure 1 ,according to Figure 1 It can be seen that the utility model includes a square head 1, which is fixedly connected to one end of the pre-finishing mill adjustment mechanism. At the same time, the application also includes a connecting mechanism 2 that cooperates with the square head 1, and a lever mechanism 6 that cooperates with the connecting mechanism 2. The lever mechanism 6 and the connecting mechanism 2 are detachably connected.
[0030] The connection mechanism 2 in the present utility model can be referred to in the specific setting Figure 1 , Figure 2 and Figure 3 ,according to Figure 1 , Figure 2 and Figure 3 It can be seen that the connecting mechanism 2 includes a connecting rod 3, one end of which is provided with a connecting cavity 4 that matches the square head 1, and the other end of the connecting rod 3 is fixedly connected with a hexagonal bolt head 5; the connecting rod 3 is moved until the square head 1 enters the connecting cavity 4, and the connecting rod 3 can be driven to rotate by rotating the hexagonal bolt head 5, thereby further driving the square head 1 and the adjustment mechanism to rotate, so as to achieve the purpose of adjusting the roll gap of the pre-finishing mill. In order to prevent the connecting rod 3 and the square head 1 from detaching during the rotation of the connecting rod 3, a first through hole 10 connected to the connecting cavity 4 can be opened at the position of the connecting rod 3 corresponding to the connecting cavity 4, and a first internal threaded hole 11 that matches the first through hole 10 is opened on the square head 1.
[0031] The utility model middle force arm mechanism 6 can refer to the specific setting Figure 1 , Figure 2 and Figure 4 ,according to Figure 1 , Figure 2 and Figure 4 It can be seen that the lever mechanism 6 includes a lever rod 7, which is perpendicular to the connecting rod 3, and a connecting hole 8 that matches the hexagonal bolt head 5 is provided on the top of the lever rod 7. When the utility model is used, the connecting rod 3 is first connected to the square head 1, and then the lever rod 7 is moved until the hexagonal bolt head 5 is inserted into the connecting hole 8, and the hexagonal bolt head 5 is driven to rotate by turning the lever rod 7, thereby driving the connecting rod 3 to rotate, and thus the square head 1 is rotated.
[0032] In order to prevent the force arm 7 from being separated from the hexagonal bolt head 5 during the rotation of the force arm 7, continue to refer to Figure 4A first slide groove 12 is provided on one side of the lever arm 7 along its length direction, and a first slider 13 is slidably connected to the first slide groove 12, and a fixing rod 9 is arranged in parallel in the first slide groove 12, and one end of the fixing rod 9 is fixedly connected to the first slider 13; continue to refer to Figure 4 , a second through hole 15 connected to the first slide groove 12 is provided at a position of the connecting hole 8 corresponding to the first slide groove 12, and a fixing head 14 is fixedly connected to the top of the force arm rod 7, and the fixing head 14 is provided with a plug hole 16 connected to the second through hole 15, and a second internal threaded hole 19 connected to the plug hole 16 is provided at a position of the fixing head 14 corresponding to the plug hole 16, and the plug hole 16 is perpendicular to the second internal threaded hole 19; when the fixing rod 9 is inserted into the plug hole 16, in order to fix the fixing rod 9 and the fixing head 14 together, continue to refer to Figure 4 A fourth through hole 18 matching with the second internal threaded hole 19 is formed at one end of the fixing rod 9 away from the first sliding block 13 .
[0033] In the present invention, in order to prevent the force arm 7 from being separated from the hexagonal bolt head 5 when the force arm 7 is turned, continue to refer to Figure 3 A third through hole 17 matching with the second through hole 15 is provided on the hexagonal bolt head 5. When the connecting rod 3 and the lever arm rod 7 are connected together, the fixing rod 9 can pass through the second through hole 15 and the third through hole 17 in sequence, thereby fixing the hexagonal bolt head 5 in the connecting hole 8 to prevent the lever arm rod 7 from being separated from the hexagonal bolt head 5.
[0034] The working principle of the pre-finishing mill roll gap adjustment tool is as follows: first move the connecting rod 3 so that the hexagonal bolt head 5 on the connecting rod 3 is inserted into the connecting hole 8 of the lever arm rod 7, and the second through hole 15 is connected to the third through hole 17, and then move the first slider 13 to move the fixing rod 9 in the first slide groove 12 until the fixing rod 9 passes through the second through hole 15 and the third through hole 17 in sequence, and the end of the fixing rod 9 with the fourth through hole 18 is inserted into the insertion hole 16, at which time the fourth through hole 18 is connected to the second internal threaded hole 19, and then screw the bolt into the fourth through hole 18 and the second internal threaded hole 19, so that the fixing rod 9 and the fixing head 14 are fixedly connected together by the bolt, and at this time the fixing rod 9 no longer moves, and the hexagonal bolt head 5 and the connecting hole 8 are fixedly connected together, so that the connecting rod 3 and the lever arm rod 7 are fixedly connected together.
[0035] When it is necessary to adjust the roll gap of the pre-finishing mill, the connecting rod 3 and the force arm 7 can be moved until the square head 1 and the connecting cavity 4 on the connecting rod 3 are matched and connected together, and the first internal threaded hole 11 and the first through hole 10 are connected, and then the bolts are screwed into the first internal threaded hole 11 and the first through hole 10 to fix the square head 1 and the connecting rod 3 together, and then the force arm 7 is turned to drive the connecting rod 3, the square head 1 and the adjustment mechanism to rotate, so as to adjust the roll gap of the pre-finishing mill.
[0036] In the present invention, by replacing the connecting rod 3 with the connecting cavity 4 of different sizes, the present invention can be applicable to various types of square heads 1, thereby improving the applicability of the present application.
[0037] In the above embodiment, the utility model provides a pre-finishing mill roll gap adjustment tool. In the utility model, when the roll gap of the pre-finishing mill needs to be adjusted, the square head is first inserted into the connecting cavity, and then the hexagonal bolt head is inserted into the connecting hole, and the fixing rod is inserted into the connecting hole and the hexagonal bolt head, so that the connecting rod and the force arm rod are fixedly connected together, and the force arm rod can be driven to rotate by rotating the connecting rod, and the rotating connecting rod drives the square head and the adjustment mechanism to rotate, so as to adjust the distance between the roll gaps; at the same time, through the mutual cooperation of the square head and the connecting cavity, the square head and the connecting rod can be prevented from slipping when the square head is rotated.
[0038] The above-described embodiments are merely descriptions of preferred implementations of the present invention, and are not intended to limit the concept and scope of the present invention. Without departing from the design concept of the present invention, various modifications and improvements made by ordinary personnel in the field to the technical solution of the present invention should fall within the protection scope of the present invention, and the technical contents of the present invention for protection have been fully recorded in the claims.
Claims
1. A pre-finishing mill roll gap adjustment tool, comprising a square head (1) arranged on a pre-finishing mill adjustment mechanism, characterized in that: It also includes a connecting mechanism (2) matched with the square head (1), the connecting mechanism (2) includes a connecting rod (3), one end of the connecting rod (3) is provided with a connecting cavity (4) matched with the square head (1), and the other end of the connecting rod (3) is provided with a hexagonal bolt head (5); It also includes a force arm mechanism (6) matched with the hexagonal bolt head (5), the force arm mechanism (6) includes a force arm rod (7), one end of the force arm rod (7) is provided with a connection hole (8) matched with the hexagonal bolt head (5), and a fixing rod (9) for fixing the hexagonal bolt head (5) in the connection hole (8) is slidably provided on the force arm rod (7); wherein the fixing rod (9) can pass through the connection hole (8) and the hexagonal bolt head (5).
2. A pre-finishing mill roll gap adjustment tool according to claim 1, characterized in that: The connecting rod (3) is provided with a first through hole (10) in communication with the connecting cavity (4) at a position corresponding to the connecting cavity (4), and the square head (1) is provided with a first internal threaded hole (11) matching with the first through hole (10).
3. A pre-finishing mill roll gap adjustment tool according to claim 1, characterized in that: The lever arm (7) is provided with a first slide groove (12) along its length direction, and a first sliding block (13) is slidably arranged in the first slide groove (12); wherein the fixed rod (9) is arranged in parallel in the first slide groove (12), and one end of the fixed rod (9) is fixedly connected to the first sliding block (13).
4. A pre-finishing mill roll gap adjustment tool according to claim 3, characterized in that: A fixing head (14) is fixedly provided at one end of the force arm rod (7) provided with the connecting hole (8), and the fixing rod (9) passes through the connecting hole (8) and is inserted into the fixing head (14).
5. A pre-finishing mill roll gap adjustment tool according to claim 4, characterized in that: The connecting hole (8) is provided with a second through hole (15) at a position corresponding to the first slide groove (12), and the fixing head (14) is provided with a plug hole (16) connected to the second through hole (15) at a position corresponding to the second through hole (15), and the hexagonal bolt head (5) is provided with a third through hole (17) matched with the second through hole (15).
6. A pre-finishing mill roll gap adjustment tool according to claim 5, characterized in that: A fourth through hole (18) is formed at one end of the fixing rod (9) away from the first sliding block (13), and a second internal threaded hole (19) connected to the insertion hole (16) is formed at a position of the fixing head (14) corresponding to the insertion hole (16).
7. A pre-finishing mill roll gap adjustment tool according to claim 6, characterized in that: The second internal threaded hole (19) is perpendicular to the insertion hole (16).