Special tool for adjusting pull rod of short stress path rolling mill

Abstract

The utility model relates to the technical field of short stress path rolling mill pull rods, and discloses a special tool for adjusting a short stress path rolling mill pull rod, which comprises a handle and a connecting block, and a wrench sleeve is fixedly mounted on the surface of the handle. The vertical rod abuts against the inner wall of the connecting plate, the connecting plate is stressed and slides on the surface of the flat rod under supporting of a spring, when the connecting plate moves, a supporting block fixed to the surface of the connecting plate can slide in an annular groove formed in the surface of the rotating rod, a clamping block fixed to the surface of the rotating rod can synchronously rotate, and the clamping block rotates in a round hole; the rotating clamping blocks and the vertical holes can form a staggered shape, after staggering, the vertical rods are moved in the transverse rods, the vertical rods can move to the corners of the clamping holes, accordingly, fixing of the connecting blocks is completed, the connecting blocks can be rapidly installed and replaced in the mode, and waste of resources is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to short stress line rolling mill pull rod technical field, concretely is a kind of short stress line rolling mill pull rod adjustment's special tool. BACKGROUND

[0002] With the development of steel industry and the improvement of user's quality requirement to steel, the requirement of rolling mill to rolling mill is also higher and higher.Short stress line rolling mill has the characteristics of large rigidity, high product precision, light equipment weight, simple operation, especially "on-line quick replacement rolling mill", so it becomes the leading model in the rolling operation of domestic bar and wire mill.

[0003] The rolling force received by the rolling mill forms a closed ring line, i.e. stress line, through the internal stress of each stressed component such as roll, roll bearing, box, copper nut and pull rod.The rolling mill base and the screwdown mechanism are not subjected to rolling force, the stress line is shorter than that of ordinary rolling mill, the rolling mill strength is improved, and the elastic deformation of the rolling mill is reduced, so it is called "short stress line rolling mill".The rolling mill can be divided into two parts, driving side and fixed side, each having two upper and lower boxes.Four boxes bear the radial force and axial force transmitted by the rolling mill bearing and transmit the stress loop to the pull rod.When adjusting the rolling mill profile, the worm gear mechanism in the screwdown device of the upper box is driven to rotate the pull rod in the copper nut of the rolling mill to adjust the height of the rolling mill roll gap.

[0004] The existing pull rod special detection tool detects the abnormal rolling mill by sleeving the special spanner into the cylindrical rolling mill, performing operation, allowing the pull rod to be fully stressed, and rotating and adjusting under the condition of no external stress point, to judge whether the pull rod is normal in up-down extension and the position of problem point, but the special-shaped connecting block in the center of the special spanner sleeve will be worn and damaged after a long time, and the damaged special-shaped connecting block needs to be replaced by the whole detection tool by the operator, which causes resource waste.For this problem, we provide a special tool for adjusting the pull rod of short stress line rolling mill. CONTENT OF UTILITY MODEL

[0005] The utility model aims at providing a special tool for adjusting the pull rod of short stress line rolling mill to solve the problems in the above background technology.

[0006] In order to achieve the above object, the utility model provides the following technical scheme: a special tool of short stress line rolling mill pull rod adjustment, including handle and connecting block, the surface fixed mounting of handle has spanner cover, the control assembly that sets up in spanner cover is locked to connecting block, the control assembly includes: vertical hole, vertical hole sets up on the surface of connecting block, the round hole is seted up in connecting block, the surface fixed mounting of clamping block has rotating rod, rotating rod penetrates spanner cover and is connected with spanner cover rotation, the surface of rotating rod sets up annular groove, this mode can complete the quick installation and replacement of connecting block, avoid causing the waste of resources.

[0007] Preferably, the control assembly further comprises a rotating member, the rotating member comprising: a support block, the support block being in sliding connection with the annular groove, the surface of the support block being fixedly provided with a connecting plate, when the support block slides in the annular groove, the rotating rod can rotate.

[0008] Preferably, the connecting plate is penetrated by a flat rod and in sliding connection with the flat rod, the flat rod being fixedly installed on the inner wall of the spanner cover, the connecting plate can move transversely on the surface of the flat rod.

[0009] Preferably, one end of the flat rod is fixedly connected with a spring, the other end of the spring being fixedly installed on the surface of the connecting plate, when the connecting plate is no longer under stress, the connecting plate can spring up under the support of the spring.

[0010] Preferably, the inner wall of the connecting plate is fixedly provided with a horizontal rod, the horizontal rod being penetrated by a vertical rod and in sliding connection with the vertical rod, the vertical rod penetrating the connecting plate and being in sliding connection with the connecting plate, the vertical rod penetrating the spanner cover and being in sliding connection with the spanner cover, the surface of the vertical rod being fixedly provided with a sliding block, the sliding block can drive the vertical rod to slide in the spanner cover.

[0011] Preferably, the surface of the connecting plate is fixedly provided with a support plate, the support plate penetrating the spanner cover and being in sliding connection with the spanner cover, when the connecting plate moves, the support plate can move synchronously in the spanner cover.

[0012] Preferably, the surface of the spanner cover is provided with a clamping hole, the clamping hole being in L shape, the L-shaped clamping hole can limit the movement of the vertical rod.

[0013] Compared with the prior art, the utility model provides a special tool of short stress line rolling mill pull rod adjustment, which has the following beneficial effects:

[0014] 1. The special tool for adjusting the pull rod of the short stress path rolling mill, through the control assembly, the vertical rod is moved in the spanner cover, the vertical rod abuts against the inner wall of the connecting plate, the connecting plate is forced to slide on the surface of the flat rod under the support of the spring, when the connecting plate moves, the support fixed on the surface of the connecting plate can slide in the annular groove on the surface of the rotating rod, then the clamping block fixed on the surface of the rotating rod can rotate synchronously, the clamping block rotates in the round hole, the clamping block after rotation can form staggered shape with the vertical hole, then the vertical rod is moved in the cross rod, the vertical rod can be moved to the corner of the clamping hole, thereby the fixation of the connecting block is completed, the quick installation and replacement of the connecting block can be completed, and the waste of resources is avoided.

[0015] 2. The special tool for adjusting the pull rod of the short stress path rolling mill, through the support plate, when the connecting plate moves, the support plate fixed on the surface of the connecting plate can move synchronously in the spanner cover, the two sides of the connecting block are shielded and supported, the two sides of the connecting block can be protected when the connecting block is applied with force, and the left and right loosening is avoided. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a front view structural schematic diagram of the utility model;

[0017] Figure 2 It is a back view structural schematic diagram of the utility model;

[0018] Figure 3 It is a spanner cover cross section structural schematic diagram of the utility model;

[0019] Figure 4 It is a connecting block cross section structural schematic diagram of the utility model;

[0020] Figure 5 It is a control assembly structural schematic diagram of the utility model.

[0021] In the drawing: 1, handle; 2, spanner cover; 3, connecting block; 4, control assembly; 41, vertical hole; 42, round hole; 43, clamping block; 44, rotating rod; 45, annular groove; 46, rotating part; 461, support; 462, connecting plate; 463, flat rod; 464, spring; 465, cross rod; 466, vertical rod; 467, sliding block; 468, clamping hole; 469, support plate. DETAILED DESCRIPTION

[0022] As Figures 1-5As shown, the utility model provides a technical scheme: a special tool for short stress line rolling mill pull rod adjustment, including handle 1 and connecting block 3, the surface fixed mounting of handle 1 has spanner glove 2, the control assembly 4 that is locked to connecting block 3 is set up in spanner glove 2, control assembly 4 includes: vertical hole 41, vertical hole 41 is set up on the surface of connecting block 3, connecting block 3 is set up with round hole 42 in, the surface fixed mounting of clamping block 43 has rotating rod 44, rotating rod 44 passes through spanner glove 2 and is connected with spanner glove 2 rotation, the surface of rotating rod 44 is set up with annular groove 45, the clamping block 43 fixed on the surface of rotating rod 44 can rotate synchronously, clamping block 43 rotates in round hole 42, and the clamping block 43 after rotating can form staggered with vertical hole 41, after stagger, in the horizontal bar 465 inside moving vertical rod 466, then vertical rod 466 can be moved to the corner of clamping hole 468, to complete the fixation to connecting block 3, this mode can complete the quick installation and replacement of connecting block 3, avoid causing the waste of resources.

[0023] Control assembly 4 still includes rotating part 46, rotating part 46 includes: support block 461, support block 461 is connected with annular groove 45 sliding, the surface fixed mounting of support block 461 has connecting plate 462, when support block 461 slides in annular groove 45, rotating rod 44 can rotate.Connecting plate 462 is penetrated by flat rod 463 and is connected with flat rod 463 sliding, flat rod 463 is fixedly installed on the inner wall of spanner glove 2, and connecting plate 462 can move horizontally on the surface of flat rod 463.The surface of flat rod 463 is fixedly connected with one end of spring 464, and the other end of spring 464 is fixedly installed on the surface of connecting plate 462, and when connecting plate 462 is no longer stressed, can be bounced up under the support of spring 464.The inner wall of connecting plate 462 is fixedly installed with horizontal bar 465, and horizontal bar 465 is penetrated by vertical rod 466 and is connected with vertical rod 466 sliding, and vertical rod 466 penetrates connecting plate 462 and is connected with connecting plate 462 sliding, and vertical rod 466 penetrates spanner glove 2 and is connected with spanner glove 2 sliding, and the surface of vertical rod 466 is fixedly installed with sliding block 467, and sliding block 467 can drive vertical rod 466 to slide in spanner glove 2.The surface of connecting plate 462 is fixedly installed with support plate 469, and support plate 469 penetrates spanner glove 2 and is connected with spanner glove 2 sliding, and when connecting plate 462 moves, support plate 469 can move synchronously in spanner glove 2.The surface of spanner glove 2 is set up with clamping hole 468, and the shape of clamping hole 468 is L-shaped, and the L-shaped clamping hole 468 can limit the movement of vertical rod 466.

[0024] In the utility model, when the rolling mill is abnormal and the material type cannot be adjusted, the screwdown device needs to be disassembled, after the screwdown device is disassembled, because the rolling mill pull rod is cylindrical, whether the rolling mill pull rod rotates flexibly cannot be judged by rotating the pull rod, therefore, the wrench cover 2 can be sleeved into the rolling mill pull rod through the handle 1, the pull rod is fully stressed, under the condition that there is no external stress point, the rotating adjustment can be carried out, when the connecting block 3 is abraded or damaged after long -term use, the sliding block 467 is moved on the surface of the wrench cover 2, the vertical rod 466 fixed on the surface of the sliding block 467 is removed from the corner of the clamping hole 468, after removal, the clamping hole 468 can release the limitation of the vertical rod 466, then the connecting plate 462 fixed on the surface of the vertical rod 466 can be bounced up under the support of the spring 464, when the connecting plate 462 is bounced up, the supporting block 461 fixed on the surface of the connecting plate 462 can slide in the annular groove 45 formed on the surface of the rotating rod 44, then the rotating rod 44 can drive the clamping block 43 to rotate in the circular hole 42, the clamping block 43 after rotation forms parallel with the vertical hole 41, then the connecting block 3 can be disassembled from the wrench cover 2, subsequently, the new connecting block 3 is inserted into the wrench cover 2, after insertion, the vertical rod 466 is moved in the wrench cover 2, the vertical rod 466 abuts against the inner wall of the connecting plate 462, the connecting plate 462 is stressed and slides on the surface of the horizontal rod 463 under the support of the spring 464, when the connecting plate 462 moves, the supporting block 461 fixed on the surface of the connecting plate 462 can slide in the annular groove 45 formed on the surface of the rotating rod 44, then the clamping block 43 fixed on the surface of the rotating rod 44 can rotate synchronously, the clamping block 43 rotates in the circular hole 42, the clamping block 43 after rotation can form staggered shape with the vertical hole 41, after staggering, the vertical rod 466 is moved in the horizontal rod 465, then the vertical rod 466 can be moved to the corner of the clamping hole 468, thereby the fixing of the connecting block 3 is completed, the quick installation and replacement of the connecting block 3 can be completed, and the waste of resources is avoided.

[0025] The utility model has been described in detail above, but some modifications or improvements can be made on the basis of the utility model, which is obvious to the general technical personnel in the technical field. Therefore, the modifications or improvements without departing from the utility model idea spirit are within the protection scope of the utility model.

Claims

1. A special tool for adjusting the pull rod of a short stress path rolling mill, comprising a handle (1) and a connecting block (3), characterized in that: The surface of the handle (1) is fixedly installed with a wrench cover (2), the wrench cover (2) is provided with a control assembly (4) for locking the connecting block (3), the control assembly (4) comprises: A vertical hole (41) is arranged on the surface of the connecting block (3), and a circular hole (42) is arranged in the connecting block (3); A clamping block (43) is fixedly installed on the surface of the connecting block (43), the rotating rod (44) penetrates through the wrench cover (2) and is rotatably connected with the wrench cover (2), and the surface of the rotating rod (44) is provided with an annular groove (45).

2. A special tool for adjusting the pull rod of a short stress path rolling mill according to claim 1, characterized in that: The control assembly (4) further comprises a rotating part (46), the rotating part (46) comprises a supporting block (461) which is slidably connected with the annular groove (45), and the surface of the supporting block (461) is fixedly installed with a connecting plate (462).

3. A special tool for adjusting the pull rod of a short stress path rolling mill according to claim 2, characterized in that: The connecting plate (462) is penetrated by a flat rod (463) and is slidably connected with the flat rod (463), and the flat rod (463) is fixedly installed on the inner wall of the wrench cover (2).

4. A special tool for adjusting the pull rod of a short stress path rolling mill according to claim 3, characterized in that: The surface of the flat rod (463) is fixedly connected with one end of a spring (464), and the other end of the spring (464) is fixedly installed on the surface of the connecting plate (462).

5. A special tool for adjusting the pull rod of a short stress path rolling mill according to claim 3, characterized in that: The inner wall of the connecting plate (462) is fixedly installed with a cross rod (465), the cross rod (465) is penetrated by a vertical rod (466) and is slidably connected with the vertical rod (466), the vertical rod (466) penetrates through the connecting plate (462) and is slidably connected with the connecting plate (462), the vertical rod (466) penetrates through the wrench cover (2) and is slidably connected with the wrench cover (2), and the surface of the vertical rod (466) is fixedly installed with a sliding block (467).

6. A special tool for adjusting the pull rod of a short stress path rolling mill according to claim 5, characterized in that: The surface of the connecting plate (462) is fixedly installed with a supporting plate (469), the supporting plate (469) penetrates through the wrench cover (2) and is slidably connected with the wrench cover (2).

7. A special tool for adjusting the pull rod of a short stress path rolling mill according to claim 1, characterized in that: The surface of the wrench cover (2) is provided with a clamping hole (468), and the clamping hole (468) is L-shaped.

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