Locking clamp for pre-finishing mill group of high-speed wire rod mill

Abstract

The utility model relates to the technical field of locking clamps, and discloses a high-speed wire rod mill pre-finishing mill group locking clamp which comprises a locking clamp body, a plurality of auxiliary clamping grooves are formed in the surface of the outer side of the locking clamp body at equal intervals, and a threaded hole is formed in the center of the interior of the locking clamp body. A threaded hole is formed in the locking clamp body, auxiliary inserting holes are symmetrically formed in the portion, on the outer side of the threaded hole, of the locking clamp body, and a reinforcing assembly is arranged on the outer surface of one side of the locking clamp body. The problem that when friction force in an existing high-speed wire rod rolling mill pre-finishing mill set is smaller than horizontal component force of rolling pressure of the roll ring, the roll ring, the roll shaft and the taper sleeve can move relatively is solved, the specific appearance size of the locking clamp can be specifically confirmed according to the actual specifications and shapes of the roll shaft, the taper sleeve and the roll ring on site, and the application range is guaranteed.

Description

Technical Field

[0001] The present utility model application relates to the technical field of locking cards, and specifically relates to a locking card for a pre-finishing mill unit of a high-speed wire rod rolling mill. Background Art

[0002] The main function of the pre-finishing mill unit is to initially form the billets from the rough and medium rolling mills to provide billets with qualified shapes for the finishing mill unit. The main rolling tool for deforming the rolled pieces is the roll ring. The roll ring and the roll shaft are fixed through a taper sleeve. The outer surface of the taper sleeve is conical with a certain taper, and the taper is the same as that of the roll shaft. By applying an external pressure to the taper sleeve, the taper sleeve continuously enters between the roll ring and the roll shaft. Since the material of the taper sleeve is relatively soft, under the action of the external pressure, the roll shaft forces its outer diameter to become larger, tightening the roll ring and giving the roll ring a large enough frictional force to meet the horizontal component of the rolling pressure of the roll ring. In this way, the roll ring, the taper sleeve, and the roll shaft will not have relative displacement during use, ensuring the normal operation of production.

[0003] During actual production and use, due to the high-temperature conduction of the rolled pieces and changes in external use environments such as the dimensional fit of the roll ring, the roll shaft, and the taper sleeve, the frictional force between the roll ring, the roll shaft, and the taper sleeve becomes smaller. When the frictional force is less than the horizontal component of the rolling pressure of the roll ring, relative displacement will occur among the three, static friction becomes dynamic friction, further reducing the frictional force between the three and leading to accidents such as pressure loss. Summary of the Invention

[0004] In order to solve the problem that when the frictional force in the existing pre-finishing mill unit of a high-speed wire rod rolling mill is less than the horizontal component of the rolling pressure of the roll ring, the roll ring, the roll shaft, and the taper sleeve will have relative displacement, the present utility model provides a locking card for a pre-finishing mill unit of a high-speed wire rod rolling mill to solve the above problems.

[0005] To achieve the above object, the present utility model provides the following technical solutions:

[0006] A locking card for a pre-finishing mill unit of a high-speed wire rod rolling mill includes a locking card main body. A number of auxiliary card slots are equidistantly opened on the outer surface of the locking card main body. A threaded hole is provided at the central position inside the locking card main body, and auxiliary insertion holes are symmetrically opened inside the locking card main body outside the threaded hole. A reinforcement component is provided on one outer surface of the locking card main body, and an auxiliary component is provided on the outer surface of the outer circle of the locking card main body.

[0007] Furthermore, the reinforcement component includes an auxiliary sleeve plate, an auxiliary clamping block, and a fixing screw. An auxiliary sleeve plate is fixed on one outer surface of the locking card main body, and an auxiliary clamping block is slidably sleeved inside the auxiliary sleeve plate. The outer side of the auxiliary clamping block is rotationally connected to the fixing screw through a bearing, and the fixing screw is threadedly connected to the outside of the auxiliary sleeve plate.

[0008] Further, the inner side of the auxiliary clamping block is arranged as an arc that fits with the threaded hole. Both sides of the auxiliary clamping block are fixed with limiting side plates, and the limiting side plates are all slidably attached to the inner wall of the auxiliary clamping block.

[0009] Further, the fixing screw rod is arranged as a horizontally placed "T" shape, and the sum of the lengths of the auxiliary clamping block and the limiting side plates is less than the length inside the auxiliary sleeve plate.

[0010] Further, the auxiliary component includes an auxiliary pull rod, a support rod, and a fixing nut. A support rod is fixed on the outer surface of the locking card body between the two auxiliary clamping grooves, and an auxiliary pull rod is rotatably sleeved on the support rod. A fixing nut is threadedly sleeved on the support rod on the side of the auxiliary pull rod, and a limiting block is fixed on the outer surface of the locking card body on the side of the support rod.

[0011] Further, the auxiliary pull rod is arranged as an arc that fits with the locking card body. The support rod is composed of two straight plates and a screw rod, and the fixing nut is threadedly sleeved on the screw rod.

[0012] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0013] 1. In the present utility model, by machining threads inside the locking card to cooperate with the external threads of the shaft head of the roller shaft, the locking card can be screwed in or out, solving the problem that the roller ring, roller shaft, and taper sleeve will relatively displace when the frictional force in the existing pre-finishing mill unit of high-speed wire rod rolling mills is less than the horizontal component of the rolling pressure of the roller ring. Moreover, the specific external dimensions of the locking card can be specifically confirmed according to the actual specifications and shapes of the roller shaft, taper sleeve, and roller ring on site, ensuring the applicable range.

[0014] 2. In the present utility model, through the external auxiliary reinforcement structure and complex blanking structure, after the locking card body is screwed, the auxiliary clamping block can be driven to clamp the shaft head of the roller shaft by screwing the fixing screw rod to clamp and fix the locking card. When it is necessary to screw the locking card, in the absence of tools, the auxiliary pull rod can be rotated to rotate the locking card through the auxiliary pull rod, making the operation of the locking card more convenient and labor-saving. Description of the Drawings

[0015] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, the following drawings are only some embodiments of the present application. For those of ordinary skill in the art, without creative efforts, other drawings can be obtained based on these drawings.

[0016] Figure 1 It is a front view schematic diagram of the locking card body structure according to an embodiment of the present application;

[0017] Figure 2 Yes Figure 1 Back view schematic diagram of the structure of the locking card body after it is opened in the illustrated embodiment;

[0018] Figure 3 Yes Figure 1 Back view schematic diagram of the structure of the reinforcement component in the illustrated embodiment;

[0019] Figure 4 Yes Figure 1 In the illustrated embodiment Figure 1 Enlarged schematic diagram of the structure at position A.

[0020] Meanings of the reference numerals in the figure: 1. Locking card body; 2. Auxiliary card slot; 3. Auxiliary jack; 4. Auxiliary sleeve plate; 5. Auxiliary clamping block; 6. Fixed screw; 7. Limit side plate; 8. Auxiliary pull rod; 9. Support rod; 10. Fixed nut; 11. Limit block. Specific embodiments

[0021] To make the application purpose, features, and advantages of the present application more obvious and understandable, the technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present application. Obviously, the embodiments described below are only a part of the embodiments of the present application, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present application without creative efforts belong to the scope of protection of the present application.

[0022] Refer to Figure 1 , Figure 2 and Figure 3 , a locking card for a high-speed wire rod mill pre-finishing unit, comprising a locking card body 1. A plurality of auxiliary card slots 2 are equidistantly arranged on the outer surface of the locking card body 1. A threaded hole is provided at the central position inside the locking card body 1, and auxiliary jacks 3 are symmetrically arranged inside the locking card body 1 outside the threaded hole. A reinforcement component is arranged on one outer surface of the locking card body 1. The reinforcement component includes an auxiliary sleeve plate 4, an auxiliary clamping block 5, and a fixed screw 6. An auxiliary sleeve plate 4 is fixed on one outer surface of the locking card body 1, and an auxiliary clamping block 5 is slidably sleeved inside the auxiliary sleeve plate 4. The inner side of the auxiliary clamping block 5 is set to be an arc shape that cooperates with the threaded hole. Limit side plates 7 are fixed on both sides of the auxiliary clamping block 5, and the limit side plates 7 are all slidably attached to the inner wall of the auxiliary clamping block 5. The outer side of the auxiliary clamping block 5 is rotatably connected to a fixed screw 6 through a bearing. The fixed screw 6 is set to be a horizontally placed "T" shape. The sum of the lengths of the auxiliary clamping block 5 and the limit side plates 7 is less than the length inside the auxiliary sleeve plate 4, and the fixed screw 6 is threadedly connected to the outside of the auxiliary sleeve plate 4. An auxiliary component is arranged on the outer surface of the outer circle of the locking card body 1.

[0023] Specifically, when the locking card body 1 needs to be used, screw the locking card body 1 onto the shaft head of the roller shaft, and then screw the fixing screw 6 to drive the auxiliary clamping block 5 to move inside the auxiliary sleeve plate 4. When the auxiliary clamping block 5 moves to clamp the outer surface of the shaft head of the roller shaft, the locking card body 1 can be assisted in fixing. When the auxiliary clamping block 5 moves, it drives the limit side plate 7 to move inside the auxiliary clamping block 5. When it is necessary to disassemble the locking card body 1, first screw the fixing screw 6 to make the auxiliary clamping block 5 move away from the shaft head of the roller shaft, and then rotate the locking card body 1 to remove the locking card body 1.

[0024] As an optimized solution, as Figure 3 and Figure 4 shown, the auxiliary component includes an auxiliary pull rod 8, a support rod 9 and a fixing nut 10. The outer surface of the locking card body 1 between the two auxiliary card slots 2 is fixed with a support rod 9, and an auxiliary pull rod 8 is rotatably sleeved on the support rod 9. The auxiliary pull rod 8 is set to be arc-shaped to cooperate with the locking card body 1. The support rod 9 is composed of two straight plates and a screw rod. The fixing nut 10 is threadedly sleeved on the screw rod. The fixing nut 10 is threadedly sleeved on the support rod 9 on the side of the auxiliary pull rod 8. A limit block 11 is fixed on the outer surface of the locking card body 1 on the side of the support rod 9.

[0025] Specifically, when it is necessary to screw the locking card body 1 without tools, screw the support rod 9 to release the clamping and fixing of the support rod 9 on the auxiliary pull rod 8, and then the auxiliary pull rod 8 can be rotated. When the auxiliary pull rod 8 is rotated to abut against the limit block 11, the auxiliary pull rod 8 cannot be rotated further. When the locking card body 1 is rotated toward the limit block 11 side, the locking card body 1 can be rotated by means of the auxiliary pull rod 8.

[0026] For those skilled in the art, it is obvious that the present application is not limited to the details of the above-mentioned exemplary embodiments, and without departing from the spirit or basic characteristics of the present application, the present application can be implemented in other specific forms. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting. The scope of the present application is defined by the appended claims rather than the above description. Therefore, all changes falling within the meaning and scope of the same elements of the claims are intended to be included in the present application. Any reference signs in the claims should not be regarded as limiting the claimed rights.

[0027] As described above, the above embodiments are only used to illustrate the technical solutions of the present application, rather than to limit them; although the present application has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that they can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present application.

Claims

1. A locking clamp for a pre-finishing mill of a high-speed wire rod rolling mill, characterized in that: The invention comprises a locking card body (1), wherein a plurality of auxiliary card slots (2) are equidistantly provided on the outer surface of the locking card body (1), a threaded hole is provided at the center position inside the locking card body (1), and auxiliary plug holes (3) are symmetrically provided inside the locking card body (1) outside the threaded hole, a reinforcement component is provided on the outer surface of one side of the locking card body (1), and an auxiliary component is provided on the outer ring surface of the locking card body (1).

2. The locking clamp for the pre-finishing mill of a high-speed wire rod rolling mill according to claim 1, characterized in that: The reinforcement component comprises an auxiliary sleeve (4), an auxiliary clamping block (5) and a fixing screw (6); the auxiliary sleeve (4) is fixed to the outer surface of one side of the locking card body (1), and the auxiliary clamping block (5) is slidably sleeved inside the auxiliary sleeve (4); the fixing screw (6) is rotatably connected to the outer side of the auxiliary clamping block (5) via a bearing, and the fixing screw (6) is threadedly connected to the outer side of the auxiliary sleeve (4).

3. The locking clamp for the pre-finishing mill of a high-speed wire rod rolling mill according to claim 2, characterized in that: The inner side of the auxiliary clamping block (5) is arranged in an arc shape matching the threaded hole, and limiting side plates (7) are fixed on both sides of the auxiliary clamping block (5), and the limiting side plates (7) are slidably fitted with the inner wall of the auxiliary clamping block (5).

4. The locking clamp for the pre-finishing mill of a high-speed wire rod rolling mill according to claim 2, characterized in that: The fixing screw (6) is arranged in a transversely placed "T" shape, and the sum of the lengths of the auxiliary clamping block (5) and the limiting side plate (7) is smaller than the length inside the auxiliary sleeve plate (4).

5. The locking clamp for the pre-finishing mill of a high-speed wire rod rolling mill according to claim 1, characterized in that: The auxiliary component comprises an auxiliary pull rod (8), a support rod (9) and a fixing nut (10); a support rod (9) is fixed to the outer surface of the locking card body (1) between the two auxiliary card slots (2); and an auxiliary pull rod (8) is rotatably sleeved on the support rod (9); a fixing nut (10) is threadedly sleeved on the support rod (9) on the side of the auxiliary pull rod (8); and a limiting block (11) is fixed to the outer surface of the locking card body (1) on the side of the support rod (9).

6. The locking clamp for the pre-finishing mill of a high-speed wire rod rolling mill according to claim 5, characterized in that: The auxiliary pull rod (8) is arranged in an arc shape to cooperate with the locking card body (1); the support rod (9) is composed of two straight plates and a screw rod; and the fixing nut (10) is threadedly sleeved on the screw rod.

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