Roller changing device of withdrawal and straightening machine

Abstract

The utility model discloses a roll changing device of a withdrawal and straightening machine, which relates to the technical field of roll changing devices and comprises a base, a limiting unit arranged at the top end of the base and a lifting unit arranged in the base. The limiting unit comprises a lifting base arranged at the top end of the base, a limiting assembly arranged in the lifting base and an adjusting assembly arranged at the bottom end of the limiting assembly. The lifting unit comprises a lifting assembly arranged in the base and a translation assembly arranged at the top end of the lifting assembly. According to the roller replacing device of the withdrawal and straightening machine, the vertical grooves are formed, and the shafts connected with the middles of the rolling line rollers can be conveniently inserted, so that the number of the rolling line rollers replaced at a time can be increased, the working efficiency of the device is improved, and the two air cylinders can be started at the same time to drive the multiple rolling line rollers to ascend stably; and a plurality of rolling line rollers can be inclined by only starting one air cylinder, so that the work of replacing the rolling line rollers can be completed under the inclined working condition.

Description

Technical Field

[0001] The utility model relates to the technical field of roller changing devices, in particular to a roller changing device for a tensioning and straightening machine. Background Art

[0002] The function of the straightening machine is to pre-scale the strip and improve the plate shape. It is an indispensable equipment in the cold rolling and pickling process. Its use effect directly affects the pickling effect of the hot rolled material. In actual production, the rolling line roller of the straightening machine will be subjected to the reaction force of the strip, resulting in wear on the roller surface. When the wear of the rolling line roller is greater than the system compensation value, the rolling line roller must be replaced, so the roller changing device is required to assist the work.

[0003] After searching in the public (announcement) number: CN211915050U, an online quick-change device for anti-skipping rollers of a straightening machine is disclosed, including a roller changing car and a roller changing tool; the roller changing tool is a steel bracket; mounting seats are arranged at both ends of the bracket, and a slide groove is arranged at the lower end, and the slide groove can be used in conjunction with the body pulley of the roller changing car; eight groups of roller bearing blocks are arranged on the bracket, evenly distributed at the upper end of the bracket, and radial stabilization grooves are arranged between each pair of bearing blocks; a radial stabilization groove of the same size as that between the bearing blocks is opened at the center of the mounting seat; an oblique square is arranged between two adjacent groups of bearing blocks; the end face of the bearing block is arranged as a roller receiving surface, and the radial stabilization groove matches the radius of the roller, which is used to ensure that the roller will not overturn during the transportation of the roller; the utility model is a convenient special tool for changing rollers, which is achieved by modifying the original roller box of the straightening roller and combining it with the straightening machine roller changing car, so that the anti-skipping roller in the frame can be directly pulled out without removing the outer cover of the straightening machine, so as to realize the quick change capability and greatly reduce the operation time.

[0004] Although the above scheme realizes quick change capability and greatly reduces the operation time, the number of rolling line rollers that can be replaced at one time is limited, and the rolling line rollers are not stable enough when they are raised and lowered, and cannot meet the requirements of replacing the rolling line rollers under inclined working conditions. Utility Model Content

[0005] The main purpose of the utility model is to provide a roller changing device for a straightening machine, which solves the problem of limited number of rolling line rollers that can be replaced at one time by setting a limiting unit, and solves the problem of insufficient stability when the rolling line rollers are lifted and lowered, and the problem of not being able to replace the rolling line rollers under inclined working conditions by setting a lifting unit.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] A roller changing device for a tensioning and leveling machine comprises a base, a limiting unit arranged at the top of the base, and a lifting unit arranged inside the base;

[0008] The limiting unit includes a lifting seat arranged at the top of the base, a limiting component arranged inside the lifting seat, and an adjusting component arranged at the bottom of the limiting component;

[0009] The lifting unit comprises a lifting component arranged inside the base, and a translation component arranged at the top of the lifting component.

[0010] Preferably, the limiting assembly in the limiting unit includes a plurality of clamping grooves opened at the top of the lifting seat, and movable structures arranged on both sides of the top of the clamping grooves.

[0011] Preferably, the movable structure in the limiting unit includes a semicircular disk arranged on one side of the clamping groove, a top plate fixedly connected to both sides of the top of the semicircular disk, a vertical groove opened in the middle of the semicircular disk, and a placement hole formed between the two top plates;

[0012] The placement hole is connected to the vertical groove, wherein the semicircular disk in one movable structure is fixedly connected to the clamping groove, and the semicircular disk in the other movable structure is slidably connected to the clamping groove.

[0013] Preferably, the adjustment component in the limiting unit includes a slide groove connected to the bottom end of the clamping groove, an elastic column arranged inside the slide groove, a spring arranged on the surface of the elastic column, and a slider fixedly connected to the bottom end of the semicircular disk on one side;

[0014] One side of the sliding block is fixedly connected to one side of the elastic column.

[0015] Preferably, the lifting assembly in the lifting unit includes two cylinders symmetrically arranged inside the base, a telescopic column arranged at the top of the cylinder, and a connecting block fixedly connected to the top of the telescopic column.

[0016] Preferably, the translation assembly in the lifting unit includes a connecting shaft arranged in the middle of the connecting block, a limit frame arranged on both sides of the connecting shaft, an extension block fixedly connected to the top of the limit frame, and a protruding plate fixedly connected to the top of both sides of the extension block.

[0017] Preferably, the translation assembly in the lifting unit further comprises a connecting plate arranged at the top end of the base, a movable groove opened at the bottom end of the connecting plate, and an extension groove communicating with both sides of the movable groove;

[0018] The extension block is movably connected to the movable groove, and the protruding plate is movably connected to the extension groove.

[0019] Compared with the prior art, the utility model has the following beneficial effects:

[0020] 1. In the utility model, a plurality of rolling line rollers can be placed inside a plurality of clamping grooves by setting a limit unit, and the semicircular disk on one side can be driven to move by the elastic force of the elastic column and the spring, so that the distance between the semicircular disks at both ends will gradually decrease until the two sides of the rolling line roller fit with the semicircular disks on both sides, and through the setting of the vertical groove, the shaft connected to the middle part of the rolling line roller can be easily inserted, which can increase the number of rolling line rollers that can be replaced at one time and improve the working efficiency of the device.

[0021] 2. In the utility model, through the setting of the lifting unit, the two cylinders are started at the same time to drive the telescopic column to rise, which can drive the connecting plate to rise smoothly, and then drive the multiple rolling line rollers on the lifting seat to rise together. It is also possible to start only one cylinder to drive the connecting block to rise, and then drive the limit frame to rise. This will give thrust to the extension block and the protruding plate, causing the connecting plate to tilt, and at the same time drive the extension block and the protruding plate to move inside the corresponding extension groove and movable groove, so that the work of replacing the rolling line roller can be completed under inclined working conditions. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0023] Figure 2 It is a front view of the semicircular plate in the utility model;

[0024] Figure 3 It is a cross-sectional view of the lifting seat in the utility model;

[0025] Figure 4 It is a cross-sectional view of the base in the utility model;

[0026] Figure 5 For this utility model Figure 4 A schematic diagram of the enlarged structure in the middle.

[0027] In the figure:

[0028] 1. Base;

[0029] 2. Limiting unit; 201. Lifting seat; 202. Semicircular plate; 203. Top plate; 204. Snap-fit ​​groove; 205. Vertical groove; 206. Sliding block; 207. Sliding groove; 208. Elastic column; 209. Spring;

[0030] 3. Lifting unit; 301. Cylinder; 302. Telescopic column; 303. Connecting plate; 304. Extension slot; 305. Movable slot; 306. Connecting shaft; 307. Connecting block; 308. Limiting frame; 309. Extension block; 310. Protruding plate. DETAILED DESCRIPTION

[0031] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods. Example 1

[0032] like Figure 1 , Figure 2 , Figure 3 , Figure 4 as well as Figure 5 As shown, a roller changing device for a tensioning and leveling machine comprises a base 1, a limiting unit 2 arranged at the top of the base 1, and a lifting unit 3 arranged inside the base 1;

[0033] The limiting unit 2 includes a lifting seat 201 disposed at the top of the base 1, a limiting component disposed inside the lifting seat 201, and an adjusting component disposed at the bottom of the limiting component;

[0034] The lifting unit 3 includes a lifting assembly disposed inside the base 1 and a translation assembly disposed at the top of the lifting assembly.

[0035] The limiting assembly in the limiting unit 2 includes a plurality of clamping slots 204 formed on the top of the lifting seat 201 , and movable structures disposed on both sides of the top of the clamping slots 204 .

[0036] The movable structure in the limiting unit 2 includes a semicircular disk 202 disposed on one side of the clamping groove 204, a top plate 203 fixedly connected to both sides of the top of the semicircular disk 202, a vertical groove 205 opened in the middle of the semicircular disk 202, and a placement hole formed between the two top plates 203;

[0037] The placement hole is connected to the vertical slot 205 , wherein the semicircular disk 202 in one moving structure is fixedly connected to the clamping slot 204 , and the semicircular disk 202 in the other moving structure is slidably connected to the clamping slot 204 .

[0038] The adjustment assembly in the limiting unit 2 includes a slide groove 207 connected to the bottom end of the clamping groove 204, an elastic column 208 disposed inside the slide groove 207, a spring 209 disposed on the surface of the elastic column 208, and a slider 206 fixedly connected to the bottom end of the semicircular disk 202 on one side;

[0039] One side of the slider 206 is fixedly connected to one side of the elastic column 208 .

[0040] The lifting assembly in the lifting unit 3 includes two cylinders 301 symmetrically arranged inside the base 1 , a telescopic column 302 arranged at the top of the cylinder 301 , and a connecting block 307 fixedly connected to the top of the telescopic column 302 .

[0041] The translation assembly in the lifting unit 3 includes a connecting shaft 306 arranged in the middle of the connecting block 307, a limit frame 308 arranged on both sides of the connecting shaft 306, an extension block 309 fixedly connected to the top of the limit frame 308, and a protruding plate 310 fixedly connected to the top of both sides of the extension block 309.

[0042] The translation assembly in the lifting unit 3 further includes a connecting plate 303 disposed at the top end of the base 1, a movable groove 305 opened at the bottom end of the connecting plate 303, and an extension groove 304 connected to both sides of the movable groove 305;

[0043] The extension block 309 is movably connected to the movable slot 305 , and the protruding plate 310 is movably connected to the extension slot 304 .

[0044] Multiple rolling line rollers can be placed inside multiple clamping grooves 204, and the semicircular disk 202 on one side can be driven to move by the elastic force of the elastic column 208 and the spring 209, so that the distance between the semicircular disks 202 at both ends will gradually decrease until the two sides of the rolling line roller are in contact with the semicircular disks 202 on both sides, and through the setting of the vertical groove 205, the shaft connected to the middle part of the rolling line roller can be easily inserted, which can increase the number of rolling line rollers that can be replaced at one time and improve the working efficiency of the device. Example 2

[0045] like Figure 1 , Figure 2 , Figure 3 , Figure 4 as well as Figure 5 As shown, a roller changing device for a tensioning and leveling machine comprises a base 1, a limiting unit 2 arranged at the top of the base 1, and a lifting unit 3 arranged inside the base 1;

[0046] The limiting unit 2 includes a lifting seat 201 disposed at the top of the base 1, a limiting component disposed inside the lifting seat 201, and an adjusting component disposed at the bottom of the limiting component;

[0047] The lifting unit 3 includes a lifting assembly disposed inside the base 1 and a translation assembly disposed at the top of the lifting assembly.

[0048] The limiting assembly in the limiting unit 2 includes a plurality of clamping slots 204 formed on the top of the lifting seat 201 , and movable structures disposed on both sides of the top of the clamping slots 204 .

[0049] The movable structure in the limiting unit 2 includes a semicircular disk 202 disposed on one side of the clamping groove 204, a top plate 203 fixedly connected to both sides of the top of the semicircular disk 202, a vertical groove 205 opened in the middle of the semicircular disk 202, and a placement hole formed between the two top plates 203;

[0050] The placement hole is connected to the vertical slot 205 , wherein the semicircular disk 202 in one moving structure is fixedly connected to the clamping slot 204 , and the semicircular disk 202 in the other moving structure is slidably connected to the clamping slot 204 .

[0051] The adjustment assembly in the limiting unit 2 includes a slide groove 207 connected to the bottom end of the clamping groove 204, an elastic column 208 disposed inside the slide groove 207, a spring 209 disposed on the surface of the elastic column 208, and a slider 206 fixedly connected to the bottom end of the semicircular disk 202 on one side;

[0052] One side of the slider 206 is fixedly connected to one side of the elastic column 208 .

[0053] The lifting assembly in the lifting unit 3 includes two cylinders 301 symmetrically arranged inside the base 1 , a telescopic column 302 arranged at the top of the cylinder 301 , and a connecting block 307 fixedly connected to the top of the telescopic column 302 .

[0054] The translation assembly in the lifting unit 3 includes a connecting shaft 306 arranged in the middle of the connecting block 307, a limit frame 308 arranged on both sides of the connecting shaft 306, an extension block 309 fixedly connected to the top of the limit frame 308, and a protruding plate 310 fixedly connected to the top of both sides of the extension block 309.

[0055] The translation assembly in the lifting unit 3 further includes a connecting plate 303 disposed at the top end of the base 1, a movable groove 305 opened at the bottom end of the connecting plate 303, and an extension groove 304 connected to both sides of the movable groove 305;

[0056] The extension block 309 is movably connected to the movable slot 305 , and the protruding plate 310 is movably connected to the extension slot 304 .

[0057] The two cylinders 301 are started at the same time to drive the telescopic column 302 to rise, which can drive the connecting plate 303 to rise smoothly, and then drive the multiple rolling line rollers on the lifting seat 201 to rise together. It is also possible to start only one cylinder 301 to drive the connecting block 307 to rise, and then drive the limit frame 308 to rise, which will give thrust to the extension block 309 and the protruding plate 310, so that the connecting plate 303 is tilted, and at the same time drive the extension block 309 and the protruding plate 310 to move inside the corresponding extension groove 304 and movable groove 305, so that the work of replacing the rolling line roller can be completed under inclined working conditions.

[0058] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A roller changing device for a tensioning and leveling machine, comprising a base (1), characterized in that: It also includes a limiting unit (2) arranged at the top of the base (1), and a lifting unit (3) arranged inside the base (1); The limiting unit (2) comprises a lifting seat (201) arranged at the top end of the base (1), a limiting component arranged inside the lifting seat (201), and an adjusting component arranged at the bottom end of the limiting component; The lifting unit (3) comprises a lifting component arranged inside the base (1), and a translation component arranged at the top of the lifting component.

2. A roller changing device for a tensioning and leveling machine according to claim 1, characterized in that: The limiting assembly in the limiting unit (2) comprises a plurality of clamping grooves (204) provided at the top of the lifting seat (201), and movable structures arranged at both sides of the top of the clamping grooves (204).

3. A roller changing device for a tension and leveling machine according to claim 2, characterized in that: The movable structure in the limiting unit (2) comprises a semicircular disk (202) arranged on one side of the clamping groove (204), a top plate (203) fixedly connected to both sides of the top of the semicircular disk (202), a vertical groove (205) opened in the middle of the semicircular disk (202), and a placement hole formed between the two top plates (203); The placement hole is connected to the vertical slot (205), the semicircular disc (202) in one movable structure is fixedly connected to the clamping slot (204), and the semicircular disc (202) in the other movable structure is slidably connected to the clamping slot (204).

4. A roller changing device for a tension and leveling machine according to claim 3, characterized in that: The adjustment component in the limiting unit (2) comprises a slide groove (207) connected to the bottom end of the clamping groove (204), an elastic column (208) arranged inside the slide groove (207), a spring (209) arranged on the surface of the elastic column (208), and a slider (206) fixedly connected to the bottom end of the semicircular disk (202) on one side; One side of the sliding block (206) is fixedly connected to one side of the elastic column (208).

5. A roller changing device for a tension and leveling machine according to claim 4, characterized in that: The lifting assembly in the lifting unit (3) comprises two cylinders (301) symmetrically arranged inside the base (1), a telescopic column (302) arranged at the top of the cylinder (301), and a connecting block (307) fixedly connected to the top of the telescopic column (302).

6. A roller changing device for a tension and leveling machine according to claim 5, characterized in that: The translation assembly in the lifting unit (3) comprises a connecting shaft (306) arranged in the middle of the connecting block (307), a limiting frame (308) arranged on both sides of the connecting shaft (306), an extension block (309) fixedly connected to the top of the limiting frame (308), and a protruding plate (310) fixedly connected to the top of both sides of the extension block (309).

7. A roller changing device for a tension and leveling machine according to claim 6, characterized in that: The translation assembly in the lifting unit (3) further comprises a connecting plate (303) arranged at the top end of the base (1), a movable groove (305) provided at the bottom end of the connecting plate (303), and an extension groove (304) arranged at both sides of the movable groove (305); The extension block (309) is movably connected to the movable groove (305), and the protruding plate (310) is movably connected to the extension groove (304).

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