A device for grinding the side edges of cold-rolled steel sheets

Abstract

The present invention relates to the technical field of steel plate grinding, and specifically relates to a side grinding device for cold-rolled steel plates, including a bottom plate. A grinding structure is installed on the bottom plate, a conversion structure is installed on the bottom plate, a fixing structure is installed on the grinding structure, a telescopic structure is installed at the side end of the grinding structure, a cleaning structure is installed at the top of the grinding structure, and a rotating structure is installed on the cleaning structure. Through the cooperation of the grinding structure and the conversion structure installed on the bottom plate, when grinding the side end of the steel plate, the edge of the side end can also be ground, so that the steel plate can be better ground. Through the fixing structure installed on the bottom plate, the steel plate placed on the grinding structure can be clamped and fixed. Through the telescopic structure installed at the side end of the grinding structure, steel plates of different lengths can be supported and placed. Through the cleaning structure installed on the grinding structure, not only can the grinding wheel be cleaned, but also the grinding wheel can be moistened.

Description

Technical Field

[0001] The present invention relates to the technical field of steel plate grinding, and specifically relates to a side grinding device for cold-rolled steel plates. Background Art

[0002] During the production process of cold-rolled steel plates, since heating is not carried out, there are no defects such as pitting and mill scale that often appear in hot rolling. The surface quality is good, the smoothness is high, and the dimensional accuracy of cold-rolled products is high. After the cold-rolled steel plates are produced, they are generally cut into standard sizes. After cutting, the sides of the cold-rolled steel plates often have certain burrs, so it is necessary to grind their sides.

[0003] However, after the steel plate is cut, especially for cold-rolled steel plate materials with a certain thickness, during the grinding process, the burr grinding and cleaning are generally only concentrated on the side edge line position of the steel plate, while ignoring the grinding of the side wall position of the steel plate. Therefore, after the grinding process, there are still problems such as burrs, unevenness, and roughness on the cutting side wall position of the steel plate, which affect the overall aesthetics and subsequent use effects of the steel plate. Moreover, when the steel plate is ground by a grinding wheel, part of the steel chips often adhere to the grinding wheel. If not cleaned, it is easy to affect the subsequent grinding efficiency and quality of the steel plate. Summary of the Invention

[0004] In view of the problems in the prior art, the present invention provides a side grinding device for cold-rolled steel plates.

[0005] The technical solution adopted by the present invention to solve its technical problems is: a side grinding device for cold-rolled steel plates, including a bottom plate, a grinding structure is installed on the bottom plate, a conversion structure is installed on the bottom plate, a fixing structure is installed on the grinding structure, a telescopic structure is installed on the side end of the grinding structure, a cleaning structure is installed on the top end of the grinding structure, and a rotating structure is installed on the cleaning structure;

[0006] The grinding structure includes a sliding plate, the sliding plate is slidably connected to the bottom plate, a sliding rod is slidably connected to the side end of the bottom plate, a rotating rod is rotatably connected inside the sliding rod, the rotating rod is fixedly connected to the output end of an external motor, and a grinding wheel is fixedly connected to the rotating rod.

[0007] Specifically, a limiting block is fixedly connected to the bottom end of the sliding plate, the limiting block is slidably connected to the bottom plate, a limiting rod is fixedly connected inside the bottom plate, and the limiting block is slidably connected to the limiting rod.

[0008] Specifically, the conversion structure includes a connecting rod, the connecting rod is slidably connected inside the bottom plate, a rotating shaft is fixedly connected to the connecting rod, the sliding rod is rotatably connected to the rotating shaft, an electric telescopic rod is fixedly connected to the bottom end of the bottom plate, the output end of the electric telescopic rod is fixedly connected to an installation rod, and the installation rod is fixedly connected to the connecting rod.

[0009] Specifically, the fixing structure includes a base. The side end of the sliding plate is fixedly connected to the base. The base is slidably connected to the bottom plate. A fixing ring is fixedly connected to the base. A lead screw is rotatably connected inside the fixing ring. A clamping plate is threadedly connected to the lead screw.

[0010] Specifically, a rubber block is fixedly connected to the side end of the clamping plate. A guide plate is fixedly connected to the bottom end of the clamping plate. The guide plate is slidably connected to the fixing ring.

[0011] Specifically, the telescopic structure includes a rotating plate. The side end of the sliding plate is rotatably connected to the rotating plate. A clamping block is slidably connected inside the sliding plate. The clamping block is engaged with the rotating plate. A screw rod is rotatably connected inside the sliding plate. A fixing rod is rotatably connected inside the sliding plate. Bevel gears are fixedly connected to both the screw rod and the fixing rod. The two bevel gears are engaged with each other.

[0012] Specifically, the cleaning structure includes a plug rod. The top end of the sliding rod is fixedly connected to the plug rod. The top end of the plug rod is detachably connected to a socket. A rotating seat is rotatably connected to the side end of the socket. A cleaning brush is fixedly connected to the side end of the rotating seat.

[0013] Specifically, a water-absorbing cotton is fixedly connected to the side end of the rotating seat. A connecting cotton is fixedly connected inside the rotating seat. A through hole is provided inside the rotating seat. The through hole is connected to an external water source.

[0014] Specifically, a protective cover is detachably connected to the side end of the rotating seat. A protrusion is fixedly connected to the side end of the protective cover. The protrusion is engaged with the rotating seat.

[0015] Specifically, the rotating structure includes a fixed shaft. The fixed shaft is rotatably connected inside the socket. The fixed shaft is fixedly connected to the rotating seat. A positioning groove is provided on the fixed shaft. A positioning block is slidably connected inside the socket. The positioning groove is inserted into the positioning block. A spring is fixedly connected between the positioning block and the socket.

[0016] The beneficial effects of the present invention are:

[0017] (1)A side grinding device for cold-rolled steel plates according to the present invention, through the cooperation of a grinding structure and a conversion structure installed on the bottom plate, can grind the edge of the side end while grinding the side end of the steel plate, so as to better grind the steel plate. That is, when the steel plate needs to be ground, first place the steel plate on the sliding plate, and then start the external motor installed at the side end of the rotating rod, which can drive the rotating rod to rotate in the sliding rod, so as to drive the grinding wheel to rotate. Since the limiting block fixed on the sliding plate is slidably connected with the limiting rod fixed on the bottom plate, by sliding the sliding plate back and forth, the steel plate placed on the sliding plate can be driven to slide back and forth, so as to grind the edge of the side end of the steel plate. Then start the electric telescopic rod installed on the bottom plate, which can drive the mounting rod fixed at the output end of the electric telescopic rod to slide, so as to drive the connecting rod to slide at the side end of the bottom plate. Since the bottom plate is rotatably connected with the sliding rod through a rotating shaft, when the sliding rod slides out of the bottom plate, the sliding rod can be rotated. After the sliding rod is placed horizontally, the side end of the steel plate can be ground by the grinding wheel, so as to better grind the steel plate.

[0018] (2)A side grinding device for cold-rolled steel plates according to the present invention, through the fixing structure installed on the bottom plate, can clamp and fix the steel plate placed on the grinding structure. Through the telescopic structure installed at the side end of the grinding structure, steel plates of different lengths can be supported and placed. That is, after the steel plate is placed on the sliding plate, rotate the lead screw rotatably connected with the fixed ring. Since the lead screw is threadedly connected with the clamping plate, and the guide plate fixed on the clamping plate is slidably connected with the fixed ring, the clamping plate can be driven to slide. Through the rubber block installed on the clamping plate, when the steel plate is fixed, the steel plate can be prevented from being damaged. When the rotating plate needs to be rotated and opened, rotate the fixed rod. Through the meshing of two bevel gears, the screw rod can be driven to rotate, so as to drive the sliding block threadedly connected with the screw rod to slide. When the sliding block is separated from the rotating plate, the rotating plate can be rotated and opened. Then reverse the fixed rod, which can drive the sliding block to slide outwards. When the sliding block abuts against the rotating plate, the rotating plate can be prevented from rotating and falling, so as to support and place steel plates of different sizes.

[0019] (3) A side grinding device for cold-rolled steel plates according to the present invention, through the cleaning structure installed on the grinding structure, can not only clean the grinding wheel, but also moisten the grinding wheel. Through the rotating structure, the cleaning and moistening can be adjusted. That is, when it is necessary to clean the impurities on the grinding wheel, the socket is inserted into the plug rod, and then the rotating seat is rotated until the cleaning brush faces the grinding wheel. Therefore, by the contact between the cleaning brush and the grinding wheel, the impurities on the grinding wheel can be cleaned. Then the rotating seat is rotated until the absorbent cotton contacts the grinding wheel. Since the through hole is connected to an external water source, the water can be conducted to the absorbent cotton through the connecting cotton, so that the grinding wheel can be moistened, and the steel plate can be ground better. Through the engagement between the protrusion fixed on the protective cover and the rotating seat, the cleaning brush and the absorbent cotton can be protected. Since the fixed shaft fixed on the rotating seat slides in the socket, through the insertion of the positioning groove provided on the fixed shaft and the positioning block sliding in the socket, the automatic rotation of the rotating seat can be prevented, and the elastic force of the spring can prevent the positioning groove and the positioning block from automatically separating. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] The present invention will be further described below with reference to the drawings and embodiments.

[0021] Figure 1 FIG. is a schematic diagram of the overall structure of a preferred embodiment of a side grinding device for cold-rolled steel plates provided by the present invention;

[0022] Figure 2 is Figure 1 an enlarged schematic diagram of the structure of part A shown in;

[0023] Figure 3 is Figure 1 an enlarged schematic diagram of the structure of part B shown in;

[0024] Figure 4 is Figure 1 an enlarged schematic diagram of the structure of part C shown in;

[0025] Figure 5 is Figure 1 an enlarged schematic diagram of the structure of part D shown in;

[0026] Figure 6 FIG. is a schematic diagram of the connection structure of the electric telescopic rod and the mounting rod of the present invention;

[0027] Figure 7 is Figure 6 an enlarged schematic diagram of the structure of part E shown in;

[0028] Figure 8 FIG. is a schematic diagram of the connection structure of the rotating plate and the clamping block of the present invention;

[0029] Figure 9 FIG. is a schematic diagram of the connection structure of the rotating seat and the protective cover of the present invention;

[0030] Figure 10 Schematic diagram of the connection structure of the fixed shaft and the positioning block of the present invention.

[0031] In the figure: 1, bottom plate; 2, grinding structure; 201, sliding plate; 202, sliding rod; 203, rotating rod; 204, grinding wheel; 205, limiting block; 206, limiting rod; 3, conversion structure; 301, connecting rod; 302, rotating shaft; 303, electric telescopic rod; 304, mounting rod; 4, fixing structure; 401, base; 402, fixing ring; 403, lead screw; 404, clamping plate; 405, rubber block; 406, guiding plate; 5, telescopic structure; 501, rotating plate; 502, clamping block; 503, screw; 504, fixing rod; 505, bevel gear; 6, cleaning structure; 601, inserting rod; 602, socket; 603, rotating seat; 604, cleaning brush; 605, water-absorbing cotton; 606, connecting cotton; 607, through hole; 608, protective cover; 609, protrusion; 7, rotating structure; 701, fixed shaft; 702, positioning groove; 703, positioning block; 704, spring. Detailed implementation manners

[0032] In order to make the technical means, creative features, achieved purposes and effects of the present invention easy to understand, the present invention will be further described below in conjunction with specific implementation manners.

[0033] As Figures 1 - 10 shown, a side grinding device for cold-rolled steel plates according to the present invention includes a bottom plate 1, a grinding structure 2 is installed on the bottom plate 1, a conversion structure 3 is installed on the bottom plate 1, a fixing structure 4 is installed on the grinding structure 2, a telescopic structure 5 is installed on the side end of the grinding structure 2, a cleaning structure 6 is installed on the top end of the grinding structure 2, and a rotating structure 7 is installed on the cleaning structure 6;

[0034] The grinding structure 2 includes a sliding plate 201 which is slidably connected to the bottom plate 1. A sliding rod 202 is slidably connected to the side end of the bottom plate 1. A rotating rod 203 is rotatably connected inside the sliding rod 202. The rotating rod 203 is fixedly connected to the output end of an external motor. A grinding wheel 204 is fixedly connected to the rotating rod 203. A limiting block 205 is fixedly connected to the bottom end of the sliding plate 201. The limiting block 205 is slidably connected to the bottom plate 1. A limiting rod 206 is fixedly connected inside the bottom plate 1. The limiting block 205 is slidably connected to the limiting rod 206. When it is necessary to grind the steel plate, first place the steel plate on the sliding plate 201, and then start the external motor installed on the side end of the rotating rod 203, so as to drive the rotating rod 203 to rotate inside the sliding rod 202, and thus drive the grinding wheel 204 to rotate. Since the limiting block 205 fixed on the sliding plate 201 is slidably connected to the limiting rod 206 fixed on the bottom plate 1, by sliding the sliding plate 201 back and forth, the steel plate placed on the sliding plate 201 can be driven to slide back and forth, so as to grind the edge of the side end of the steel plate.

[0035] Specifically, the conversion structure 3 includes a connecting rod 301 which is slidably connected inside the bottom plate 1. A rotating shaft 302 is fixedly connected to the connecting rod 301. The sliding rod 202 is rotatably connected to the rotating shaft 302. An electric telescopic rod 303 is fixedly connected to the bottom end of the bottom plate 1. The output end of the electric telescopic rod 303 is fixedly connected to a mounting rod 304. The mounting rod 304 is fixedly connected to the connecting rod 301. Starting the electric telescopic rod 303 installed on the bottom plate 1 can drive the mounting rod 304 fixed to the output end of the electric telescopic rod 303 to slide, so as to drive the connecting rod 301 to slide on the side end of the bottom plate 1. Since the bottom plate 1 is rotatably connected to the sliding rod 202 through the rotating shaft 302, when the sliding rod 202 slides out of the bottom plate 1, the sliding rod 202 can be rotated. After the sliding rod 202 is placed horizontally, the side end of the steel plate can be ground by the grinding wheel 204, so as to better grind the steel plate.

[0036] Specifically, the fixing structure 4 includes a base 401. The side end of the sliding plate 201 is fixedly connected to the base 401. The base 401 is slidably connected to the bottom plate 1. A fixing ring 402 is fixedly connected to the base 401. A lead screw 403 is rotatably connected inside the fixing ring 402. A clamping plate 404 is threadedly connected to the lead screw 403. A rubber block 405 is fixedly connected to the side end of the clamping plate 404. A guide plate 406 is fixedly connected to the bottom end of the clamping plate 404. The guide plate 406 is slidably connected to the fixing ring 402. After placing the steel plate on the sliding plate 201, rotate the lead screw 403 rotatably connected to the fixing ring 402. Since the clamping plate 404 is threadedly connected to the lead screw 403 and the guide plate 406 fixed to the clamping plate 404 is slidably connected to the fixing ring 402, the clamping plate 404 can be driven to slide. Through the rubber block 405 installed on the clamping plate 404, the steel plate can be fixed and the steel plate can be prevented from being damaged.

[0037] Specifically, the telescopic structure 5 includes a rotating plate 501. The side end of the sliding plate 201 is rotatably connected to the rotating plate 501. A clamping block 502 is slidably connected inside the sliding plate 201. The clamping block 502 is engaged with the rotating plate 501. A screw rod 503 is rotatably connected inside the sliding plate 201. A fixing rod 504 is rotatably connected inside the sliding plate 201. Bevel gears 505 are fixedly connected to both the screw rod 503 and the fixing rod 504. The two bevel gears 505 are engaged. When the rotating plate 501 needs to be rotated and opened, rotate the fixing rod 504. The rotation of the screw rod 503 can be driven through the engagement of the two bevel gears 505. Therefore, the clamping block 502 threadedly connected to the screw rod 503 can be driven to slide. After the clamping block 502 is separated from the rotating plate 501, the rotating plate 501 can be rotated and opened. Then reverse the fixing rod 504, which can drive the clamping block 502 to slide outwards. When the clamping block 502 abuts against the rotating plate 501, the rotating plate 501 can be prevented from rotating and falling. Therefore, steel plates of different sizes can be supported and placed.

[0038] Specifically, the cleaning structure 6 includes an insertion rod 601. The top end of the sliding rod 202 is fixedly connected to the insertion rod 601. The top end of the insertion rod 601 is detachably connected to a socket 602. The side end of the socket 602 is rotatably connected to a rotating seat 603. The side end of the rotating seat 603 is fixedly connected to a cleaning brush 604. The side end of the rotating seat 603 is fixedly connected to a water-absorbing cotton 605. A connecting cotton 606 is fixedly connected inside the rotating seat 603. A through hole 607 is provided inside the rotating seat 603, and the through hole 607 is connected to an external water source. The side end of the rotating seat 603 is detachably connected to a protective cover 608. The side end of the protective cover 608 is fixedly connected to a protrusion 609, and the protrusion 609 is engaged with the rotating seat 603. When it is necessary to clean the impurities on the grinding wheel 204, the socket 602 is inserted into the insertion rod 601, and then the rotating seat 603 is rotated until the cleaning brush 604 faces the grinding wheel 204. Therefore, by the contact between the cleaning brush 604 and the grinding wheel 204, the impurities on the grinding wheel 204 can be cleaned. Then the rotating seat 603 is rotated until the water-absorbing cotton 605 contacts the grinding wheel 204. Since the through hole 607 is connected to an external water source, the water can be conducted to the water-absorbing cotton 605 through the connecting cotton 606, so that the grinding wheel 204 can be wetted, and the steel plate can be ground better. By the engagement between the protrusion 609 fixed on the protective cover 608 and the rotating seat 603, the cleaning brush 604 and the water-absorbing cotton 605 can be protected.

[0039] Specifically, the rotating structure 7 includes a fixed shaft 701. The fixed shaft 701 is rotatably connected inside the socket 602. The fixed shaft 701 is fixedly connected to the rotating seat 603. A positioning groove 702 is provided on the fixed shaft 701. A positioning block 703 is slidably connected inside the socket 602. The positioning groove 702 is inserted into the positioning block 703. A spring 704 is fixedly connected between the positioning block 703 and the socket 602. Since the fixed shaft 701 fixed on the rotating seat 603 slides inside the socket 602, by inserting the positioning groove 702 provided on the fixed shaft 701 into the positioning block 703 that slides inside the socket 602, the automatic rotation of the rotating seat 603 can be prevented. The elastic force of the spring 704 can prevent the automatic separation of the positioning groove 702 and the positioning block 703.

[0040] When the present invention is in use, when it is necessary to grind a steel plate, first place the steel plate on the sliding plate 201, and then start the external motor installed on the side end of the rotating rod 203, so as to drive the rotating rod 203 to rotate within the sliding rod 202, and thus drive the grinding wheel 204 to rotate. Since the limiting block 205 fixed on the sliding plate 201 is slidably connected to the limiting rod 206 fixed on the bottom plate 1, by sliding the sliding plate 201 back and forth, the steel plate placed on the sliding plate 201 can be driven to slide back and forth, so as to grind the edge of the side end of the steel plate. Then start the electric telescopic rod 303 installed on the bottom plate 1, which can drive the mounting rod 304 fixed on the output end of the electric telescopic rod 303 to slide, so as to drive the connecting rod 301 to slide on the side end of the bottom plate 1. Since the bottom plate 1 is rotatably connected to the sliding rod 202 through the rotating shaft 302, when the sliding rod 202 slides out of the bottom plate 1, the sliding rod 202 can be rotated. After the sliding rod 202 is placed horizontally, the side end of the steel plate can be ground by the grinding wheel 204, so as to better grind the steel plate. After the steel plate is placed on the sliding plate 201, rotate the screw rod 403 rotatably connected to the fixed ring 402. Since the screw rod 403 is threadedly connected to the clamping plate 404, and the guiding plate 406 fixed on the clamping plate 404 is slidably connected to the fixed ring 402, the clamping plate 404 can be driven to slide. Through the rubber block 405 installed on the clamping plate 404, when the steel plate is fixed, the steel plate can be prevented from being damaged. When it is necessary to rotate and open the rotating plate 501, rotate the fixed rod 504. Through the meshing of the two bevel gears 505, the screw rod 503 can be driven to rotate, so as to drive the sliding block 502 threadedly connected to the screw rod 503 to slide. When the sliding block 502 is separated from the rotating plate 501, the rotating plate 501 can be rotated and opened. Then reverse the fixed rod 504, which can drive the sliding block 502 to slide outwards. When the sliding block 502 abuts against the rotating plate 501, the rotating plate 501 can be prevented from rotating and falling, so as to support and place steel plates of different sizes. When it is necessary to clean the impurities on the grinding wheel 204, insert the socket 602 into the plug rod 601, and then rotate the rotating seat 603 until the cleaning brush 604 faces the grinding wheel 204. Therefore, by the contact between the cleaning brush 604 and the grinding wheel 204, the impurities on the grinding wheel 204 can be cleaned. Then rotate the rotating seat 603 until the absorbent cotton 605 abuts against the grinding wheel 204. Since the through hole 607 is connected to an external water source, the water can be conducted to the absorbent cotton 605 through the connecting cotton 606, so as to moisten the grinding wheel 204, and the steel plate can be better ground. Through the engagement of the protrusion 609 fixed on the protective cover 608 and the rotating seat 603, the cleaning brush 604 and the absorbent cotton 605 can be protected. Since the fixed shaft 701 fixed on the rotating seat 603 slides within the socket 602, through the engagement of the positioning groove 702 provided on the fixed shaft 701 and the positioning block 703 sliding within the socket 602,It can prevent the rotating seat 603 from rotating automatically, and the elastic force of the spring 704 can prevent the positioning groove 702 and the positioning block 703 from separating automatically.

[0041] For those skilled in the art, it is obvious that the present invention is not limited to the details of the above exemplary embodiments, and without departing from the spirit or basic characteristics of the present invention, the present invention can be implemented in other specific forms. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-restrictive. The scope of the present invention is defined by the appended claims rather than the above description. Therefore, all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present invention. Any reference signs in the claims should not be construed as limiting the claims involved.

[0042] In addition, it should be understood that although this specification is described according to embodiments, not every embodiment only contains an independent technical solution. This narrative way of the specification is only for clarity. Those skilled in the art should regard the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A side grinding device for cold-rolled steel plates, characterized in that, It includes a bottom plate (1), a grinding structure (2) is installed on the bottom plate (1), a conversion structure (3) is installed on the bottom plate (1), a fixing structure (4) is installed on the grinding structure (2), a telescopic structure (5) is installed on the side end of the grinding structure (2), a cleaning structure (6) is installed on the top end of the grinding structure (2), and a rotating structure (7) is installed on the cleaning structure (6); The grinding structure (2) includes a sliding plate (201), the sliding plate (201) is slidably connected to the bottom plate (1), a sliding rod (202) is slidably connected to the side end of the bottom plate (1), a rotating rod (203) is rotatably connected inside the sliding rod (202), the rotating rod (203) is fixedly connected to the output end of an external motor, a grinding wheel (204) is fixedly connected to the rotating rod (203), place the steel plate on the sliding plate (201), and by sliding the sliding plate (201) back and forth, drive the steel plate placed on the sliding plate (201) to slide back and forth, and perform grinding treatment on the edge of the side end of the steel plate; The conversion structure (3) includes a connecting rod (301), the connecting rod (301) is slidably connected inside the bottom plate (1), a rotating shaft (302) is fixedly connected to the connecting rod (301), the sliding rod (202) is rotatably connected to the rotating shaft (302), an electric telescopic rod (303) is fixedly connected to the bottom end of the bottom plate (1), the output end of the electric telescopic rod (303) is fixedly connected to a mounting rod (304), the mounting rod (304) is fixedly connected to the connecting rod (301), start the electric telescopic rod (303) installed on the bottom plate (1), drive the mounting rod (304) fixed to the output end of the electric telescopic rod (303) to slide, drive the connecting rod (301) to slide on the side end of the bottom plate (1), because the bottom plate (1) is rotatably connected to the sliding rod (202) through the rotating shaft (302), when the sliding rod (202) slides out of the bottom plate (1), rotate the sliding rod (202), when the sliding rod (202) is placed horizontally, perform grinding treatment on the side end of the steel plate through the grinding wheel (204).

2. The side grinding device for cold-rolled steel plates according to claim 1, wherein: A limiting block (205) is fixedly connected to the bottom end of the sliding plate (201), the limiting block (205) is slidably connected to the bottom plate (1), a limiting rod (206) is fixedly connected inside the bottom plate (1), and the limiting block (205) is slidably connected to the limiting rod (206).

3. The side grinding device for cold-rolled steel plates according to claim 1, characterized in that: The fixing structure (4) includes a base (401), the base (401) is fixedly connected to the side end of the sliding plate (201), the base (401) is slidably connected to the bottom plate (1), a fixing ring (402) is fixedly connected to the base (401), a lead screw (403) is rotatably connected inside the fixing ring (402), and a clamping plate (404) is threadedly connected to the lead screw (403).

4. A cold-rolled steel sheet side grinding device according to claim 3, characterized in that: A rubber block (405) is fixedly connected to the side end of the clamping plate (404), a guide plate (406) is fixedly connected to the bottom end of the clamping plate (404), and the guide plate (406) is slidably connected to the fixing ring (402).

5. The side grinding device for cold-rolled steel plates according to claim 1, characterized in that: The telescopic structure (5) includes a rotating plate (501). The side end of the sliding plate (201) is rotatably connected to the rotating plate (501). A clamping block (502) is slidably connected inside the sliding plate (201). The clamping block (502) is engaged with the rotating plate (501). A screw rod (503) is rotatably connected inside the sliding plate (201). A fixing rod (504) is rotatably connected inside the sliding plate (201). Bevel gears (505) are fixedly connected to both the screw rod (503) and the fixing rod (504), and the two bevel gears (505) are engaged with each other.

6. The side grinding device for cold-rolled steel sheets according to claim 1, wherein: The cleaning structure (6) includes a plug rod (601). The top end of the sliding rod (202) is fixedly connected to the plug rod (601). The top end of the plug rod (601) is detachably connected to a socket (602). The side end of the socket (602) is rotatably connected to a rotating seat (603). A cleaning brush (604) is fixedly connected to the side end of the rotating seat (603).

7. A side grinding device for cold-rolled steel plates according to claim 6, characterized in that: A water-absorbing cotton (605) is fixedly connected to the side end of the rotating seat (603). A connecting cotton (606) is fixedly connected inside the rotating seat (603). A through hole (607) is provided inside the rotating seat (603), and the through hole (607) is connected to an external water source.

8. The side grinding device for cold-rolled steel sheets according to claim 6, characterized in that: A protective cover (608) is detachably connected to the side end of the rotating seat (603). A protrusion (609) is fixedly connected to the side end of the protective cover (608), and the protrusion (609) is engaged with the rotating seat (603).

9. The side grinding device for cold-rolled steel plates according to claim 6, wherein: The rotating structure (7) includes a fixed shaft (701). The fixed shaft (701) is rotatably connected inside the socket (602). The fixed shaft (701) is fixedly connected to the rotating seat (603). A positioning groove (702) is provided on the fixed shaft (701). A positioning block (703) is slidably connected inside the socket (602). The positioning groove (702) is inserted into the positioning block (703), and a spring (704) is fixedly connected between the positioning block (703) and the socket (602).

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