CN211073073U

CN211073073U - Automatic production line for stainless steel whole roll grinding

Info

Publication number: CN211073073U
Application number: CN201921641092.6U
Authority: CN
Inventors: 陈元; 钟日新; 缪朴
Original assignee: Zhaoqing Hongwang Metal Industrial Co Ltd
Current assignee: Zhaoqing Hongwang Metal Industrial Co Ltd
Priority date: 2019-09-28
Filing date: 2019-09-28
Publication date: 2020-07-24
Anticipated expiration: 2029-09-28

Abstract

The utility model discloses a stainless steel whole roll dull polish automatic production line, which comprises an uncoiling and conveying device, a dull polish device, a cleaning and drying device and a pad pasting and rolling device, wherein the uncoiling and conveying device is used for uncoiling a whole roll of stainless steel coil and conveying the coil to the dull polish device after leveling, the dull polish device comprises a bottom dull polish light unit, a surface sand light unit, a common sand grinding unit and a wire drawing unit which are arranged side by side at intervals, and the bottom dull polish light unit is used for grinding the bottom surface of the strip steel; the surface sanding unit is used for polishing and finely grinding the surface of the strip steel; the common sand grinding unit is used for further grinding the surface of the strip steel; the wire drawing unit is used for drawing and grinding the surface of the strip steel; the cleaning and drying device is used for cleaning the strip steel output from the grinding device, removing stains and impurities on the strip steel, and conveying the strip steel to the film sticking and winding device after drying; the film sticking and winding device is used for sticking a film on the surface of the strip steel and winding the strip steel. Automatic production line of whole book of dull polish of stainless steel, degree of automation is high.

Description

Automatic production line for stainless steel whole roll grinding

Technical Field

The utility model belongs to the technical field of the whole processing production line that rolls up of stainless steel and specifically relates to a whole dull polish of rolling up of stainless steel automation production line is related to.

Background

As technology continues to advance, more and more industries are evolving towards automation or semi-automation. The automatic production is used for replacing manual operation, not only can provide production efficiency, but also can improve production quality.

The prior stainless steel related industry needs to perform surface sanding treatment on products. Stainless steel dull polish is that the belted steel surface after the stainless steel cold rolling is handled in order to reach required face sand streak effect, and in present stainless steel whole roll dull polish processing field, has not reached full automated production level yet at present, because the whole roll dull polish course of working of current stainless steel still needs manual operation more, has influenced the machining efficiency of stainless steel whole roll dull polish to a great extent, makes dull polish inefficiency, and the cost of labor is high.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a whole dull polish automation line of rolling up of stainless steel is produced, and degree of automation is high, and whole dull polish process need not manual operation, practices thrift the cost of labor, and dull polish is efficient.

In order to achieve the above object, the utility model provides a following technical scheme:

an automatic production line for stainless steel whole roll sanding comprises an uncoiling and conveying device, a sanding device, a cleaning and drying device and a film pasting and winding device, wherein the uncoiling and conveying device is used for uncoiling a whole roll of stainless steel coil and conveying the whole roll of stainless steel coil to the sanding device after leveling, the sanding device comprises a bottom sanding polishing unit, a surface sanding unit, a common sand grinding unit and a wire drawing unit which are arranged side by side at intervals, and the bottom sanding polishing unit is used for grinding the bottom surface of strip steel to enable the bottom surface of the strip steel to be leveled and to be ground into sand grains; the surface sanding unit is used for polishing and finely grinding the surface of the strip steel to enable the surface of the strip steel to be flat and to be sanded to form sand grains; the common sand grinding unit is used for further grinding the surface of the strip steel, so that the grinding speed is increased and the single sand mark is avoided; the wire drawing unit is used for drawing and grinding the surface of the strip steel to grind the surface of the strip steel into wire drawing textures; the cleaning and drying device is used for cleaning the strip steel output from the grinding device, removing stains and impurities on the strip steel, and conveying the strip steel to the film sticking and winding device after drying; the film sticking and winding device is used for sticking films on the surfaces of the strip steels and winding the strip steels.

As a further technical solution of the utility model: the bottom sanding unit comprises two bottom sanding bare machines which are arranged side by side at intervals along the movement direction of the strip steel.

As a further technical solution of the utility model: the bottom grinding bare engine comprises a first machine body, a positioning upper roller, two bottom grinding rollers, a first abrasive belt and a bottom grinding driving piece, wherein a first machining area is arranged on the first machine body, the positioning upper roller is movably arranged at the top end of the first machining area in a lifting mode, the two bottom grinding rollers are arranged oppositely, the bottom grinding roller is arranged at the bottom end of the first machining area and corresponds to the positioning upper roller, the first abrasive belt is sleeved on the two bottom grinding rollers, the bottom grinding driving piece is used for driving the bottom grinding rollers to rotate so as to tighten the first abrasive belt for the two bottom grinding rollers, the bottom grinding driving piece drives the bottom grinding rollers to rotate so as to drive the first abrasive belt to operate at a high speed, the positioning upper roller is pressed down, the bottom surface of the steel belt is in contact with the first abrasive belt which operates at a.

As a further technical solution of the utility model: the surface sanding unit is arranged at the rear end of the bottom sanding unit and comprises five surface sanding machines which are arranged side by side at intervals along the movement direction of the strip steel.

As a further technical solution of the utility model: the surface sander comprises a second machine body, a positioning lower roll, two rotating sand rolls, a second abrasive belt and a first driving structure, wherein a second machining area is arranged on the second machine body, the positioning lower roll is movably arranged at the bottom end of the second machining area in a lifting mode, the two rotating sand rolls are arranged oppositely, one rotating sand roll is arranged at the top end of the second machining area and corresponds to the positioning lower roll, the second abrasive belt is sleeved on the two rotating sand rolls, the first driving structure is used for driving the rotating sand rolls to rotate so as to tighten the second abrasive belt for the two rotating sand rolls, the first driving structure drives the rotating sand rolls to rotate so as to drive the second abrasive belt to operate at a high speed, the positioning lower roll is lifted, the surface of the steel belt is in contact with the second abrasive belt which operates at a high speed, and then the polishing and the finish grinding are.

As a further technical solution of the utility model: the second abrasive belt is a polishing abrasive belt or a grinding abrasive belt, the second abrasive belts of the front three surface sanding machines adjacent to the bottom grinding sanding unit are polishing abrasive belts, and the second abrasive belts of the other two surface sanding machines are grinding abrasive belts, so that the surface of the steel belt is polished by the three surface sanding machines in the surface sanding unit and then is finely ground by the two surface sanding machines.

As a further technical solution of the utility model: the common sand grinding unit is arranged at the rear end of the surface sanding unit and comprises six common sand machines which are arranged side by side at intervals along the movement direction of the strip steel.

As a further technical solution of the utility model: the general sand machine comprises a third machine body, a grinding wheel, a lifting bottom roller and a second driving structure, wherein a third machining area is arranged on the third machine body, the lifting bottom roller is movably arranged at the bottom end of the third machining area, the grinding wheel is arranged at the top end of the third machining area and corresponds to the lifting bottom roller, the second driving structure is used for driving the grinding wheel to rotate so as to drive the grinding wheel to rotate by the second driving structure, the grinding wheel is driven to rotate at a high speed by the second driving structure, the lifting bottom roller is lifted, the surface of a steel belt is contacted with the grinding wheel which rotates at a high speed, and sand grains are generated by friction, so that the grinding speed is accelerated and the sand grains.

As a further technical solution of the utility model: the wire drawing unit is arranged at the rear end of the common sand grinding unit and comprises four wire drawing machines which are arranged side by side at intervals along the movement direction of the strip steel.

As a further technical solution of the utility model: the wire drawing machine comprises a fourth machine body, a lower wire drawing roll, two wire drawing sand rolls, a wire drawing abrasive belt and a third driving structure, wherein a fourth processing area is arranged on the fourth machine body, the lower wire drawing roll is movably arranged at the bottom end of the fourth processing area in a lifting mode, the two wire drawing sand rolls are arranged oppositely, one wire drawing sand roll is arranged at the top end of the fourth processing area and corresponds to the lower wire drawing roll, the two lower wire drawing rolls are sleeved with the wire drawing abrasive belt, the third driving structure is used for driving the wire drawing sand rolls to rotate so as to tighten the wire drawing abrasive belt by the two wire drawing sand rolls, the third driving structure drives the wire drawing sand rolls to rotate so as to drive the wire drawing abrasive belt to operate at a high speed, the lower wire drawing roll is lifted, the surface of the steel belt is in contact with the.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model provides an automatic production line of whole book of dull polish of stainless steel, degree of automation is high, and whole dull polish process need not manual operation, practices thrift the cost of labor, and dull polish is efficient.

Drawings

Fig. 1 is a flow chart of an automatic production line for stainless steel whole roll sanding.

Fig. 2 is a schematic view of the unwinding and conveying device.

FIG. 3 is a schematic view of a bottom sanding polisher.

Fig. 4 is a schematic view of a surface sander.

FIG. 5 is a schematic diagram of a pilger.

Fig. 6 is a schematic view of a drawing machine.

Fig. 7 is a partial schematic view of a washer and dryer.

Fig. 8 is a schematic view of a film winding device.

Detailed Description

The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings. It should be understood that the description herein is only for purposes of illustration and explanation, and is not intended to limit the scope of the present disclosure.

Referring to fig. 1, an automatic production line for stainless steel whole roll sanding comprises an uncoiling and conveying device 10, a sanding device 20, a cleaning and drying device 30 and a film-sticking and coiling device 40, wherein the uncoiling and conveying device 10 is used for uncoiling a whole roll of stainless steel coil, leveling the coil and conveying the coil to the sanding device 20, the sanding device 20 comprises a bottom sanding unit 21, a surface sanding unit 22, a common sand grinding unit 23 and a wire drawing unit 24 which are arranged side by side at intervals, and the bottom sanding unit 21 is used for grinding the bottom surface of the strip steel to level the bottom surface of the strip steel and grind sand grains; the surface sanding unit 22 is used for polishing and finely grinding the surface of the strip steel to level the surface of the strip steel and grind sand grains; the common sand grinding unit 23 is used for further grinding the surface of the strip steel, so that the grinding speed is increased and the single sand mark is avoided; the wire drawing unit 24 is used for drawing and grinding the surface of the strip steel to grind the surface of the strip steel into wire drawing textures; the cleaning and drying device 30 is used for cleaning the strip steel output from the grinding device 20, removing stains and impurities on the strip steel, and conveying the strip steel to the film sticking and winding device 40 after drying; the film sticking and winding device 40 is used for sticking films on the surfaces of the strip steels and winding the strip steels.

With reference to fig. 2, specifically, the uncoiling and conveying device 10 includes a feeding trolley 11, an uncoiler 12, a leveling and clamping structure 13 and a first roller table 14, the feeding trolley 11 and the uncoiler 12 are arranged oppositely, and a stainless steel coil is fed onto a winding drum of the uncoiler 12 through the feeding trolley 11; the leveling and clamping structure 13 is arranged between the uncoiler 12 and the first roller table 14 and is used for leveling and conveying the strip steel uncoiled and output by the uncoiler 12 to the first roller table 14, the leveling and clamping structure 13 comprises a rack 131, a leveling component 132, a clamping and conveying component 133 and a first swing frame 134, an input end 101 and an output end 102 are arranged on the rack 131, the rack 131 is provided with the leveling component 132 at the input end 101, the strip steel is leveled through the leveling component 132, the output end 102 is provided with the clamping and conveying component 133, and the strip steel is driven to convey through the clamping and conveying component 133; the first swing frame 134 is swingably arranged at the input end 101 of the frame 131, and is used for supporting the strip steel uncoiled and output from the uncoiler 12, so that the uncoiler 12 can output the strip steel conveniently; the first roller table 14 is used for supporting the strip steel, so that the strip steel is conveyed to the sanding device 20 along the first roller table 14.

Further, the leveling assembly 132 includes two leveling rollers 103 oppositely disposed, so that the strip steel can pass between the two leveling rollers 103, and the strip steel can be leveled by the two leveling rollers 103; the pinch assembly 133 comprises a plurality of pinch rollers 104 arranged oppositely and a transmission device for driving the pinch rollers 104 to rotate so as to enable strip steel to pass through the pinch rollers 104, and the transmission device drives the pinch rollers 104 to rotate so that the pinch rollers 104 provide driving force to the strip steel to enable the strip steel to be conveyed.

Referring to fig. 1 and 3, the bottom polishing unit 21 is disposed at the rear end of the first roller table 14, the bottom polishing unit 21 includes two bottom polishing units 211 arranged side by side at intervals along the movement direction of the strip steel, each bottom polishing unit 211 includes a first body 2111, an upper positioning roller 2112, two bottom polishing rollers 2113, a first abrasive belt 2114 and a bottom polishing driving member 2115, the first body 2111 is provided with a first processing area 201, the upper positioning roller 2112 is movably arranged at the top end of the first processing area 201 in a lifting manner, the two bottom polishing rollers 2113 are arranged oppositely, one bottom polishing roller 2113 is disposed at the bottom end of the first processing area 201 and corresponds to the upper positioning roller 2112, the first abrasive belt 2114 is sleeved on the two bottom polishing rollers 2113, the bottom polishing driving member 2115 is configured to drive the bottom polishing rollers 2113 to rotate so that the two bottom polishing rollers 2113 tighten the first abrasive belt 2114, the bottom polishing driving member 2115 drives the bottom polishing rollers 2113 to rotate so as to drive the first abrasive belt 2114 to operate at a high speed, the positioning upper roller 2112 is pressed down, the bottom surface of the steel belt is contacted with the first abrasive belt 2114 which runs at a high speed, and sand grains are generated by friction.

Further, both ends of first processing district 201 are all equipped with first compression roller assembly 2011 relatively, and first compression roller assembly 2011 is including two first compression rollers 2012 of relative setting, levels belted steel through two first compression rollers 2012.

Referring to fig. 1 and 4, the surface sanding unit 22 is disposed at the rear end of the bottom sanding unit 21, the surface sanding unit 22 includes five surface sanders 221 arranged side by side at intervals along the moving direction of the strip steel, each surface sanding machine 221 includes a second machine body 2211, a lower positioning roller 2212, two rotating sanding rollers 2213, a second sanding belt 2214 and a first driving structure 2215, the second machine body 2211 is provided with a second processing area 202, the lower positioning roller 2212 is movably and elevatably disposed at the bottom end of the second processing area 202, the two rotating sanding rollers 2213 are arranged oppositely, one rotating sanding roller 2213 is disposed at the top end of the second processing area 202 and corresponds to the lower positioning roller 2212, the second sanding belt 2214 is sleeved on the two rotating sanding rollers 2213, the first driving structure 2215 is configured to drive the rotating sanding rollers 2213 to rotate so that the two rotating sanding rollers 2213 tighten the second sanding belt 2214, the first driving structure 2215 drives the rotating sanding roller 2213 to rotate so as to drive the second sanding belt 2214 to rotate at a high speed, the lower roller 2212 is positioned to be lifted upwards, and the surface of the steel belt is contacted with a second abrasive belt 2214 which runs at a high speed, so that the polishing and the fine grinding are carried out.

Further, the second sanding belt 2214 is a polishing sanding belt or a grinding sanding belt, the second sanding belts 2214 of the first three surface sanding machines 221 adjacent to the bottom grinding sanding unit 21 are polishing sanding belts, and the second sanding belts 2214 of the other two surface sanding machines 221 are grinding sanding belts, so that the surface of the steel belt is polished by the three surface sanding machines 221 in the surface sanding unit 22, and then is finely ground by the two surface sanding machines 221, thereby grinding more accurate and finer sand grains.

Further, two ends of the second processing area 202 are respectively provided with a second press roll assembly 2021, the second press roll assembly 2021 comprises two second press rolls 2022, and the strip steel is flattened by the two second press rolls 2022.

Further, the surface sander 221 preferably employs a surface No.4 sander.

Referring to fig. 1 and 5, the normal sand grinding unit 23 is disposed at the rear end of the surface sanding unit 22, the normal sand grinding unit 23 includes six normal sand machines 231 spaced side by side along the moving direction of the strip steel, each normal sand machine 231 includes a third machine body 2311, a grinding wheel 2312, a lifting bottom roller 2313 and a second driving structure 2314, the third machine body 2311 is provided with a third processing area 203, the lifting bottom roller 2313 is movably disposed at the bottom end of the third processing area 203 in a lifting manner, the grinding wheel 2312 is disposed at the top end of the third processing area 203 and corresponds to the lifting bottom roller 2313, the second driving structure 2314 is used for driving the grinding wheel 2312 to rotate, so that the second driving structure 2314 drives the grinding wheel 2312 to rotate at a high speed, by lifting the lifting bottom roller 2313, the surface of the steel strip is in contact with the grinding wheel 2312 which runs at a high speed, and sand grains are generated by friction, so that the grinding speed is increased, and the single sand grain is avoided.

Further, both ends of the third processing area 203 are provided with a third pressing roll assembly 2031, the third pressing roll assembly 2031 comprises two third pressing rolls 2032 which are arranged oppositely, and the strip steel is flattened by the two third pressing rolls 2032.

Further, the surface SB sander 231 is preferably used as the surface SB sander.

Referring to fig. 1 and 6, the wire drawing unit 24 is disposed at the rear end of the common sand grinding unit 23, the wire drawing unit 24 includes four wire drawing machines 241 arranged side by side at intervals along the movement direction of the steel strip, each wire drawing machine 241 includes a fourth machine body 2411, a lower wire drawing roller 2412, two wire drawing sand rollers 2413, a wire drawing abrasive belt 2414 and a third driving structure 2415, the fourth machine body 2411 is provided with a fourth processing area 204, the lower wire drawing roller 2412 is movably disposed at the bottom end of the fourth processing area 204 in a lifting manner, the two wire drawing sand rollers 2413 are disposed oppositely, one wire drawing sand roller 2413 is disposed at the top end of the fourth processing area 204 and corresponds to the lower wire drawing roller 2412, the wire drawing abrasive belt 2414 is sleeved on the two lower wire drawing rollers 2, the third driving structure 2415 is configured to drive the wire drawing sand rollers 2413 to rotate so as to tighten the wire drawing abrasive belt 2414, the third driving structure 2415 drives the wire drawing sand rollers 2413 to rotate so as to drive the wire drawing abrasive belt 241, the lower wire drawing roller 2412 is lifted upwards, the surface of the steel strip is contacted with a wire drawing abrasive belt 2414 which runs at a high speed, and then wire drawing textures are ground on the surface of the steel strip.

Further, both ends of the fourth processing area 204 are provided with a fourth pressing roller assembly 2041, the fourth pressing roller assembly 2041 comprises two fourth pressing rollers 2042 which are arranged oppositely, and the strip steel is flattened by the two fourth pressing rollers 2042.

Further, the drawing machine 241 preferably employs a surface H L drawing machine.

Referring to fig. 1 and 7, the cleaning and drying device 30 is disposed at the rear end of the drawing unit 24, the cleaning and drying device 30 includes four cleaning machines 31 and a drying machine 32 which are arranged side by side at intervals along the moving direction of the strip steel, each cleaning machine 31 includes a cleaning machine body 311, a spraying pipe (not shown), two cleaning brush rolls 312, a cleaning driving member 313 and a transmission belt 314, the cleaning machine body 311 is provided with a strip steel cleaning area 301, the spray pipe 312 is arranged at the top end of the strip steel cleaning area 301, the cleaning brush rollers 312 are respectively arranged at the top end and the bottom end of the strip steel cleaning area 301, the cleaning driving member 313 rotates the two cleaning brush rolls 312 via the belt 314, so that the spraying pipe 312 sprays high-temperature water to the surface of the strip steel, the cleaning driving part 313 drives the cleaning brush roll 312 to rotate at a high speed, and the strip steel is contacted with the wiredrawing abrasive belt 2414 which rotates at a high speed so as to brush the strip steel; the dryer 32 is used for drying the brushed strip steel.

Further, the cleaning brush rollers 312 are bristle brush rollers or bristle brush rollers, the cleaning brush rollers 312 of the first two cleaning machines 31 adjacent to the drawing unit 24 are bristle brush rollers, and the cleaning brush rollers 312 of the second two cleaning machines 31 are bristle brush rollers, so that the strip steel is more effectively scrubbed.

Furthermore, the two ends of the strip steel cleaning area 301 are respectively and oppositely provided with a fifth press roll component 3011, the fifth press roll component comprises two oppositely arranged fifth press rolls 3012, and the strip steel is flattened through the two fifth press rolls 3012.

Referring to fig. 1 and 8, the film winding device 40 is disposed at the rear end of the cleaning and drying device 30, and the film winding device 40 includes a film unit 41, a tension roller mechanism 42 and a winding machine 43 that are disposed side by side at intervals along the moving direction of the strip steel, so that the strip steel after cleaning and drying is conveyed to the tension roller mechanism 42 after being subjected to film-coating protection by the film unit 41, tension of the strip steel during the grinding process is ensured to be pulled by the tension roller mechanism 42, and then the strip steel is conveyed from the tension roller mechanism 42 to the winding machine 43 and wound by the winding machine 43.

Further, a second swing frame 421 is swingably provided at one end of the tension roller mechanism 42 adjacent to the winding machine 43, and is used for supporting the strip steel, so that the winding machine 43 can wind the strip steel conveniently.

Further, the film pasting and winding device 40 comprises a second roller table 44 and a pinch roller mechanism 45, the second roller table 44 and the pinch roller mechanism 45 are arranged between the film pasting unit 41 and the cleaning and drying device 30 at intervals side by side along the movement direction of the strip steel, the second roller table 44 is used for bearing the strip steel and reducing the temperature of the strip steel after coming out of the dryer 32, and the pinch roller mechanism 45 is used for providing a driving force to the strip steel to enable the strip steel to be conveyed to the winding machine 43.

The utility model relates to a whole roll of dull polish automation line's of stainless steel function process, as follows: the feeding trolley 11 feeds the stainless steel coil to a winding drum of the uncoiler 12, the strip steel uncoiled and output by the uncoiler 12 is leveled and conveyed to the first roller table 14 through the leveling and clamping conveying structure 13, and the strip steel is conveyed to the grinding device 20 along the first roller table 14; the strip steel sequentially passes through the two bottom sanding polishing machines 211 of the bottom sanding polishing unit 21, the five surface sanding machines 221 of the surface sanding unit 22, the six common sand machines 231 of the common sand grinding unit 23 and the four wire drawing machines 241 of the wire drawing unit 24, so that the grinding of the bottom surface of the strip steel, the polishing and fine grinding of the surface of the strip steel, the further sanding treatment of the surface of the strip steel and the wire drawing and grinding of the surface of the strip steel are successively completed, and the sanding treatment of the two surfaces of the strip steel is automatically completed; the grinded strip steel is conveyed to a cleaning and drying device 30, sequentially passes through four cleaning machines 31 and a drying machine 32, so as to remove stains and impurities on the strip steel, and is conveyed to a film sticking and winding device 40 after being dried; in the film sticking and winding device 40, the cleaned and dried strip steel is conveyed to the tension roller mechanism 42 after being subjected to film sticking protection through the film sticking unit 41, the tension of the strip steel in the grinding process is ensured to be pulled through the tension roller mechanism 42, then the strip steel is conveyed to the winding machine 43 from the tension roller mechanism 42, and is wound through the winding machine 43, so that the automatic processing of the whole stainless steel roll and the frosted steel roll is realized.

To sum up, the utility model relates to a whole dull polish automation line of rolling up of stainless steel, degree of automation is high, and whole dull polish process need not manual operation, practices thrift the cost of labor, and dull polish is efficient.

As long as the idea created by the present invention is not violated, various different embodiments of the present invention can be arbitrarily combined, and all the embodiments should be regarded as the content disclosed by the present invention; the utility model discloses an in the technical conception scope, carry out multiple simple variant and different embodiments to technical scheme and go on not violating the utility model discloses the arbitrary combination of the thought of creation all should be within the protection scope.

Claims

1. The utility model provides a whole book of stainless steel dull polish automation line which characterized in that: the stainless steel strip steel uncoiling and drying device comprises an uncoiling and conveying device (10), a sanding device (20), a cleaning and drying device (30) and a film pasting and coiling device (40), wherein the uncoiling and conveying device (10) is used for uncoiling a whole stainless steel coil and conveying the whole stainless steel coil to the sanding device (20) after being leveled, the sanding device (20) comprises a bottom sanding light unit (21), a surface sanding unit (22), a common sand grinding unit (23) and a wire drawing unit (24) which are arranged side by side at intervals, and the bottom sanding light unit (21) is used for grinding the bottom surface of strip steel to level the bottom surface of the strip steel and grind sand grains; the surface sanding unit (22) is used for polishing and finely grinding the surface of the strip steel to level the surface of the strip steel and grind sand grains; the common sand grinding unit (23) is used for further grinding the surface of the strip steel, so that the grinding speed is increased and the single sand mark is avoided; the wire drawing unit (24) is used for drawing and grinding the surface of the strip steel to grind the surface of the strip steel into wire drawing textures; the cleaning and drying device (30) is used for cleaning the strip steel output from the grinding device (20), removing stains and impurities on the strip steel, and conveying the strip steel to the film sticking and winding device (40) after drying; and the film sticking and winding device (40) is used for sticking a film on the surface of the strip steel and winding.

2. The automatic production line of stainless steel whole roll sanding according to claim 1, characterized in that: the bottom sanding unit (21) comprises two bottom sanding polishing machines (211) which are arranged side by side at intervals along the movement direction of the strip steel.

3. The automatic production line of stainless steel whole roll sanding according to claim 2, characterized in that: the bottom grinding polisher (211) comprises a first machine body (2111), an upper positioning roller (2112), two bottom grinding rollers (2113), a first abrasive belt (2114) and a bottom grinding driving part (2115), wherein the first machine body (2111) is provided with a first processing area (201), the upper positioning roller (2112) is movably arranged at the top end of the first processing area (201) in a lifting manner, the two bottom grinding rollers (2113) are oppositely arranged, one bottom grinding roller (2113) is arranged at the bottom end of the first processing area (201) and corresponds to the upper positioning roller (2112), the first abrasive belt (2114) is sleeved on the two bottom grinding rollers (2113), the bottom grinding driving part (2115) is used for driving the bottom grinding rollers (2113) to rotate so as to enable the two bottom grinding rollers (2113) to tighten the first abrasive belt (2114), the bottom grinding driving part (2115) drives the bottom grinding rollers (2113) to rotate so as to drive the first abrasive belt (2114) to operate at a high speed, and the upper positioning roller (2112) presses down, the bottom surface of the steel belt is contacted with a first abrasive belt (2114) running at a high speed, and abrasive grains are generated by friction.

4. The automatic production line of stainless steel whole roll sanding according to claim 1, characterized in that: the surface sanding unit (22) is arranged at the rear end of the bottom sanding unit (21), and the surface sanding unit (22) comprises five surface sanding machines (221) which are arranged side by side at intervals along the movement direction of the strip steel.

5. The automatic production line of stainless steel whole roll sanding according to claim 4, characterized in that: the surface sanding machine (221) comprises a second machine body (2211), a lower positioning roller (2212), two rotating sanding rollers (2213), a second sanding belt (2214) and a first driving structure (2215), wherein the second machine body (2211) is provided with a second processing area (202), the lower positioning roller (2212) is arranged at the bottom end of the second processing area (202) in a lifting and moving manner, the two rotating sanding rollers (2213) are oppositely arranged, one rotating sanding roller (2213) is arranged at the top end of the second processing area (202) and corresponds to the lower positioning roller (2212), the second sanding belt (2214) is sleeved on the two rotating sanding rollers (2213), the first driving structure (2215) is used for driving the rotating sanding rollers (2213) to rotate so as to tighten the second sanding belt (2214) by the two rotating sanding rollers (2213), the first driving structure (2215) drives the rotating sanding rollers (2213) to rotate so as to drive the second sanding belt (2214) to operate at a high speed, the lower positioning roller (2212) is lifted upwards, the surface of the steel belt is contacted with a second abrasive belt (2214) running at a high speed, and then polishing and fine grinding are carried out.

6. The automatic production line of stainless steel whole roll sanding according to claim 5, characterized in that: the second abrasive belt (2214) is a polishing abrasive belt or a grinding abrasive belt, the second abrasive belts (2214) of the first three surface sanding machines (221) adjacent to the bottom-grinding sanding unit (21) are polishing abrasive belts, and the second abrasive belts (2214) of the other two surface sanding machines (221) are grinding abrasive belts, so that the surface of the steel belt is polished by the three surface sanding machines (221) in the surface sanding unit (22) and then is finely ground by the two surface sanding machines (221).

7. The automatic production line of stainless steel whole roll sanding according to claim 1, characterized in that: the common sand grinding unit (23) is arranged at the rear end of the surface sanding unit (22), and the common sand grinding unit (23) comprises six common sand machines (231) which are arranged side by side at intervals along the movement direction of the strip steel.

8. The automatic production line of stainless steel whole roll sanding according to claim 7, characterized in that: the common sand machine (231) comprises a third machine body (2311), a grinding wheel (2312), a lifting bottom roller (2313) and a second driving structure (2314), wherein a third machining area (203) is arranged on the third machine body (2311), the lifting bottom roller (2313) is movably arranged at the bottom end of the third machining area (203) in a lifting mode, the grinding wheel (2312) is arranged at the top end of the third machining area (203) and corresponds to the lifting bottom roller (2313), the second driving structure (2314) is used for driving the grinding wheel (2312) to rotate, the second driving structure (2314) drives the grinding wheel (2312) to rotate at a high speed, the surface of a steel strip is in contact with the grinding wheel (2312) which rotates at a high speed through the lifting bottom roller (2313), sand grains are generated through friction, and accordingly the grinding speed is accelerated and the single sand grains are avoided.

9. The automatic production line of stainless steel whole roll sanding according to claim 1, characterized in that: the wire drawing unit (24) is arranged at the rear end of the common sand grinding unit (23), and the wire drawing unit (24) comprises four wire drawing machines (241) which are arranged side by side at intervals along the movement direction of the strip steel.

10. The automatic production line of stainless steel whole roll sanding according to claim 9, characterized in that: the wire drawing machine (241) comprises a fourth machine body (2411), a lower wire drawing roller (2412), two wire drawing sand rollers (2413), a wire drawing abrasive belt (2414) and a third driving structure (2415), wherein the fourth machine body (2411) is provided with a fourth processing area (204), the lower wire drawing roller (2412) is movably arranged at the bottom end of the fourth processing area (204) in a lifting way, the two wire drawing sand rollers (2413) are oppositely arranged, one wire drawing sand roller (2413) is arranged at the top end of the fourth processing area (204) and corresponds to the lower wire drawing roller (2412), the wire drawing abrasive belt (2414) is sleeved on the two lower wire drawing rollers (2412), the third driving structure (2415) is used for driving the wire drawing sand rollers (2413) to rotate so as to tighten the wire drawing abrasive belt (2414) by the two wire drawing sand rollers (2413), the third driving structure (2415) drives the wire drawing sand rollers (2413) to rotate so as to drive the lower wire drawing roller (2414) to operate at a high speed, and the abrasive belt, the surface of the steel strip is contacted with a wire-drawing abrasive belt (2414) which runs at a high speed, and then wire-drawing textures are ground on the surface of the steel strip.