Axial roll jumping preventing device convenient to replace for straightening roll

Abstract

The utility model discloses a convenient-to-replace axial-displacement-preventing device for a straightening roll, which relates to the technical field of straightening rolls and comprises a roll body unit, a displacement-preventing unit mounted at one end of the roll body unit and an elastic clamping unit arranged in the displacement-preventing unit. The elastic clamping unit comprises a positioning rod fixedly connected to one side of the anti-leaping unit and a movable clamping column movably arranged in one end of the anti-leaping unit and used for positioning, clamping and fixing. According to the straightening roll axial-jumping-preventing device convenient to replace, the anti-jumping units and the elastic clamping units are arranged, and the anti-jumping columns and the four clamping plates are clamped in the anti-jumping grooves of the straightening roll body, so that axial jumping of the straightening roll body can be avoided during straightening work, and the straightening effect is improved. The straightening work quality of the straightening roll body is improved, disassembly and assembly of the anti-leaping units are facilitated in an elastic clamping and fixing mode, later replacement is facilitated, and good practicability is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of straightening rolls, in particular to an anti-axial-creeper device for a straightening roll that is convenient to replace. Background Technique

[0002] A straightening roll is a device for straightening metal bars, pipes, wires, etc. Generally, there are two rows of straightening rolls with different numbers. There are also two-roll straightening machines that straighten materials with different diameters by changing the angles of the two rolls. The main types include pressure straightening machines, balance roll straightening machines, shoe roll straightening machines, rotary reverse bending straightening machines, and so on.

[0003] When the existing straightening rolls are in use, axial creep is likely to occur, which affects the straightening work of the straightening rolls. In order to avoid the axial creep of the straightening rolls, an anti-creep roll structure is required. However, the existing anti-creep roll structures are not convenient to disassemble and assemble, and are not convenient for later replacement. Therefore, it is necessary to provide an anti-axial-creeper device for a straightening roll that is convenient to replace. Summary of the Utility Model

[0004] The main purpose of the utility model is to provide an anti-axial-creeper device for a straightening roll that is convenient to replace, which can effectively solve the problem that when the existing straightening rolls are in use, axial creep is likely to occur, affecting the straightening work of the straightening rolls. In order to avoid the axial creep of the straightening rolls, an anti-creep roll structure is required, but the existing anti-creep roll structures are not convenient to disassemble and assemble, and are not convenient for later replacement.

[0005] To achieve the above purpose, the technical solution adopted by the utility model is: an anti-axial-creeper device for a straightening roll that is convenient to replace, including a roll body unit, and an anti-creeper unit installed at one end of the roll body unit, and further including an elastic clamping unit arranged inside the anti-creeper unit;

[0006] The elastic clamping unit includes a positioning rod fixedly connected to one side of the anti-creeper unit, and a movable clamping column that is movably arranged inside one end of the anti-creeper unit for positioning and clamping.

[0007] Preferably, the roll body unit includes a straightening roll body, an anti-creeper groove opened at one end of the straightening roll body, two positioning grooves opened at one end of the straightening roll body, and two insertion grooves opened on the outer surface of one end of the straightening roll body.

[0008] Preferably, the anti-creeper unit includes a sleeve plate sleeved on the outer surface of one end of the straightening roll body, an anti-creeper column fixedly connected to the center of one side of the sleeve plate, a clamping plate fixedly connected to the outer surface of the anti-creeper column, and spring grooves opened on the upper and lower surfaces of the sleeve plate.

[0009] Preferably, the elastic clamping unit further includes a positioning card slot formed on the outer surface of the positioning rod, a lifting ring fixedly connected to one end of the movable clamping post, a limiting plate sleeved on the outer surface of the movable clamping post, and a return spring sleeved on the outer surface of the movable clamping post.

[0010] Preferably, the outer diameter of the positioning rod is adapted to the inner diameter of the positioning groove, the inner diameter of the positioning card slot is adapted to the outer diameter of the movable clamping post, the outer diameter of the limiting plate is adapted to the inner diameter of the spring groove, and the return spring is fixedly connected between one side of the limiting plate and the inner wall of the spring groove.

[0011] Preferably, the number of the clamping plates is four, and the four clamping plates are distributed in a circular array on the outer surface of the anti-creeper column. The cross-sectional shape and size of the anti-creeper column and the four clamping plates are adapted to the inner shape and size of the anti-creeper groove.

[0012] Compared with the prior art, the utility model has the following beneficial effects:

[0013] In the utility model, first, the two positioning rods arranged on one side of the sleeve plate are respectively inserted into the two positioning grooves at one end of the straightening roller body. The anti-creeper column and the four clamping plates enter the inside of the anti-creeper groove until the sleeve plate completely covers one end of the straightening roller body. And before that, the two movable clamping posts are respectively pulled to move outward through the lifting rings. The movement of the movable clamping posts drives the limiting plate to move inside the spring groove. The movement of the limiting plate compresses the return spring. When the sleeve plate is completely installed, by releasing the two lifting rings, after the two lifting rings lose the restraint of force, the return spring loses the pulling force and elastically returns, pushing the limiting plate to return to its original state inside the spring groove, driving the movable clamping posts to return to their original state, so that one end of the movable clamping posts enters the inside of the positioning card slot of the positioning rod, thus completing the positioning and clamping of the sleeve plate. By clamping the anti-creeper column and the four clamping plates inside the anti-creeper groove of the straightening roller body, the straightening roller body can be prevented from axially creeping during the straightening work, improving the straightening work quality of the straightening roller body. And through the elastic clamping method, it is convenient to disassemble and assemble the anti-creeper unit, facilitating later replacement, and having good practicability. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 is a front view internal sectional structure schematic diagram of the utility model;

[0015] Figure 2 is a schematic diagram of the end structure of the straightening roller of the utility model;

[0016] Figure 3 is a sectional structure schematic diagram of the anti-creeper unit of the utility model;

[0017] Figure 4 is the utility model Figure 1 the enlarged structure schematic diagram at A in.

[0018] In the figure:

[0019] 100, roll body unit; 101, straightening roll body; 102, anti-creeper groove; 103, positioning groove; 104, insertion groove;

[0020] 200, anti-creeper unit; 201, sleeve plate; 202, anti-creeper column; 203, clamping plate; 204, spring groove;

[0021] 300, elastic clamping unit; 301, positioning rod; 302, positioning card slot; 303, movable clamping column; 304, lifting ring; 305, limiting plate; 306, return spring. Detailed implementation manners Embodiment

[0022] Please refer to Figure 1 — Figure 4 As shown, the utility model is a straightening roll anti-axial creep device that is convenient for replacement, including a roll body unit 100, an anti-creep unit 200 installed at one end of the roll body unit 100, and an elastic clamping unit 300 arranged inside the anti-creep unit 200.

[0023] The roll body unit 100 includes a straightening roll body 101, an anti-creep groove 102 opened at one end of the straightening roll body 101, two positioning grooves 103 opened at one end of the straightening roll body 101, and two insertion grooves 104 opened on the outer surface of one end of the straightening roll body 101.

[0024] The anti-creep unit 200 includes a sleeve plate 201 sleeved on the outer surface of one end of the straightening roll body 101, an anti-creep column 202 fixedly connected to the center of one side of the sleeve plate 201, a clamping plate 203 fixedly connected to the outer surface of the anti-creep column 202, and spring grooves 204 opened on the upper and lower surfaces of the sleeve plate 201.

[0025] Among them, the number of the clamping plates 203 is four, and the four clamping plates 203 are distributed in an annular array on the outer surface of the anti-creep column 202. The cross-sectional shape and size of the anti-creep column 202 and the four clamping plates 203 are adapted to the internal shape and size of the anti-creep groove 102.

[0026] As Figure 1 and Figure 4As shown in the figure, the elastic clamping unit 300 includes a positioning rod 301 fixedly connected to one side of the anti-creeper unit 200, and a movable clamping post 303 movably arranged inside one end of the anti-creeper unit 200 for positioning and clamping. The elastic clamping unit 300 further includes a positioning slot 302 opened on the outer surface of the positioning rod 301, a lifting ring 304 fixedly connected to one end of the movable clamping post 303, a limiting plate 305 sleeved on the outer surface of the movable clamping post 303, and a return spring 306 sleeved on the outer surface of the movable clamping post 303. The outer diameter of the positioning rod 301 is adapted to the inner diameter of the positioning slot 103, the inner diameter of the positioning slot 302 is adapted to the outer diameter of the movable clamping post 303, the outer diameter of the limiting plate 305 is adapted to the inner diameter of the spring slot 204, and the return spring 306 is fixedly connected between one side of the limiting plate 305 and the inner wall of the spring slot 204.

[0027] Working principle: First, insert the two positioning rods 301 arranged on one side of the sleeve plate 201 into the two positioning slots 103 at one end of the straightening roller body 101 respectively. The anti-creeper post 202 and the four clamping plates 203 enter the inside of the anti-creeper slot 102 until the sleeve plate 201 completely sleeved on one end of the straightening roller body 101. And before that, first pull the two movable clamping posts 303 outward respectively through the lifting rings 304. The movement of the movable clamping posts 303 drives the limiting plate 305 to move inside the spring slot 204, and the movement of the limiting plate 305 compresses the return spring 306. When the sleeve plate 201 is completely installed, by releasing the two lifting rings 304, after the two lifting rings 304 lose the restraint of force, the return spring 306 loses the pulling force and elastically restores, pushing the limiting plate 305 to restore its original state inside the spring slot 204, driving the movable clamping posts 303 to restore their original state, so that one end of the movable clamping posts 303 enters the inside of the positioning slots 302 of the positioning rod 301, thus completing the positioning and clamping of the sleeve plate 201. By clamping the anti-creeper post 202 and the four clamping plates 203 inside the anti-creeper slot 102 of the straightening roller body 101, the straightening roller body 101 can be prevented from axially creeping during the straightening work, improving the straightening work quality of the straightening roller body 101. And the disassembly and assembly of the anti-creeper unit 200 are convenient through the elastic clamping method, which is convenient for later replacement and has good practicability.

Claims

1. A device for preventing axial displacement of a straightening roll that is easy to replace, comprising a roll body unit (100) and an anti-displacement unit (200) installed at one end of the roll body unit (100), characterized in that, It further includes an elastic clamping unit (300) disposed inside the anti-displacement unit (200); The elastic clamping unit (300) includes a positioning rod (301) fixedly connected to one side of the anti-displacement unit (200), and a movable clamping post (303) movably disposed inside one end of the anti-displacement unit (200) for positioning and clamping.

2. The anti-axial displacement device for a straightening roll that is easy to replace according to claim 1, wherein: The roller unit (100) includes a straightening roller body (101), an anti-displacement groove (102) opened at one end of the straightening roller body (101), two positioning grooves (103) opened at one end of the straightening roller body (101), and two insertion grooves (104) opened on the outer surface of one end of the straightening roller body (101).

3. The anti-axial displacement device for a straightening roll that is easy to replace according to claim 2, wherein: The anti-displacement unit (200) includes a sleeve plate (201) sleeved on the outer surface of one end of the straightening roller body (101), an anti-displacement post (202) fixedly connected to the center of one side of the sleeve plate (201), a clamping plate (203) fixedly connected to the outer surface of the anti-displacement post (202), and spring grooves (204) opened on the upper and lower surfaces of the sleeve plate (201).

4. The axially anti-crawling device for a straightening roll that is easy to replace according to claim 3, wherein: The elastic clamping unit (300) further includes a positioning card slot (302) opened on the outer surface of the positioning rod (301), a lifting ring (304) fixedly connected to one end of the movable clamping post (303), a limiting plate (305) sleeved on the outer surface of the movable clamping post (303), and a return spring (306) sleeved on the outer surface of the movable clamping post (303).

5. The axially anti-creeper device for a straightening roll that is easy to replace according to claim 4, characterized in that: The outer diameter dimension of the positioning rod (301) is adapted to the inner diameter dimension of the positioning groove (103), the inner diameter dimension of the positioning card slot (302) is adapted to the outer diameter dimension of the movable clamping post (303), the outer diameter dimension of the limiting plate (305) is adapted to the inner diameter dimension of the spring groove (204), and the return spring (306) is fixedly connected between one side of the limiting plate (305) and the inner wall of the spring groove (204).

6. The anti-axial displacement device for a straightening roll that is easy to replace according to claim 5, characterized in that: The number of the clamping plates (203) is four, and the four clamping plates (203) are distributed in an annular array on the outer surface of the anti-displacement post (202). The cross-sectional shape and size of the anti-displacement post (202) and the four clamping plates (203) are adapted to the internal shape and size of the anti-displacement groove (102).

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