阅读说明：本技术 一种预辊涂铝卷放卷及对接装置 (Pre-roller-coating aluminum coil unwinding and butt-joint device ) 是由 贾荣欣 刘晋东 季洪尚 于 2020-06-24 设计创作，主要内容包括：本发明公开了一种预辊涂铝卷放卷及对接装置,包括放卷机构、铝卷调节机构、裁切机构、对接机构、压紧传动机构；铝卷调节机构位于放卷机构一侧,裁切机构位于铝卷调节机构一侧,对接机构位于裁切机构一侧,传动机构位于对接机构一侧。本发明通过放卷机构可以顺利完成放卷而不会出现乱卷现象,通过对接机构可以完成铝卷的对接使生产加工做到连续不中断。(The invention discloses a pre-roller-coated aluminum coil unreeling and butting device which comprises an unreeling mechanism, an aluminum coil adjusting mechanism, a cutting mechanism, a butting mechanism and a pressing transmission mechanism, wherein the unreeling mechanism is arranged on the aluminum coil adjusting mechanism; the aluminum roll adjusting mechanism is located on one side of the unwinding mechanism, the cutting mechanism is located on one side of the aluminum roll adjusting mechanism, the butting mechanism is located on one side of the cutting mechanism, and the transmission mechanism is located on one side of the butting mechanism. The invention can smoothly complete the unreeling without the phenomenon of coil disorder through the unreeling mechanism, and can complete the butt joint of the aluminum coils through the butt joint mechanism so that the production and the processing are continuous and uninterrupted.)

1. A pre-roller-coated aluminum coil unreeling and butting device comprises an unreeling mechanism, an aluminum coil adjusting mechanism, a cutting mechanism, a butting mechanism and a pressing transmission mechanism; the aluminum coil cutting machine is characterized in that the aluminum coil adjusting mechanism is positioned on one side of the unwinding mechanism, the cutting mechanism is positioned on one side of the aluminum coil adjusting mechanism, the butting mechanism is positioned on one side of the cutting mechanism, and the transmission mechanism is positioned on one side of the butting mechanism;

the unwinding mechanism comprises a rack I, a transmission mechanism, a roller supporting mechanism and a material roller, wherein the rack I is positioned on one side of the transmission mechanism; the roller supporting mechanism is arranged on the rack I; the material roller is movably sleeved with a roller supporting mechanism;

a motor I is arranged at the bottom of the rack I, and a gear is arranged at the shaft end of the motor I; and an aluminum plate is coiled outside the material roller to form an aluminum coil.

2. The pre-roll-coated aluminum coil unreeling and butting device as claimed in claim 1, wherein the conveying mechanism comprises a guide conveying table, a fixed table, a supporting table, an oil cylinder II and a fixed seat I; a guide groove is formed in the guide transmission table; the bottom of the fixed table is provided with a guide block, and the fixed table is connected with a guide transmission table through the guide block and a guide groove; an oil cylinder I is arranged on the fixed table; one end of the oil cylinder I is fixed on the fixed table, and the other end of the oil cylinder I is fixedly connected with the supporting table through the ejection shaft; the support table is used for supporting and placing the aluminum coil; the fixed seat I is positioned on one side of the guide transmission table; one end of the oil cylinder II is fixed on the fixing seat I, and the other end of the oil cylinder II is ejected out of one side of the shaft and fixedly connected with the fixing table.

3. The pre-roll-coated aluminum coil unreeling and butting device as claimed in claim 1, wherein the roll supporting mechanism comprises a rotating shaft I, a fixed seat II, a connecting rod, an arc-shaped plate, a guide connecting plate, a sleeve and a retaining buckle; the rotating shaft I is provided with a movable buckle, a spring and a steering handle, the left end and the right end of the rotating shaft I are provided with threads, the threads and the steering handle are positioned on one side of the rotating shaft I, and the threads are a section of forward thread and a section of reverse thread respectively; the steering handle is fixed at one end of the rotating shaft I through a bolt; the movable buckle and the spring are positioned on one side of the thread, the movable buckle is fixed on the rotating shaft I through a pin shaft, one end of the spring is fixedly connected with the movable buckle, and the other end of the spring is fixedly connected with the rotating shaft I; the fixed seats II are respectively movably connected with threads; the guide connecting plate penetrates through the arc-shaped plate to play a role in guide connection; one end of the connecting rod is movably connected with the fixed seat II through a pin shaft, and the other end of the connecting rod is movably connected with the arc-shaped plate through a pin shaft;

the sleeve penetrates through the rack I and is fixed on the rack I; one end of the sleeve is provided with a gear, and the other end of the sleeve is provided with a fixed sleeve; a plurality of clamping teeth are arranged in the fixed sleeve; the rotating shaft I penetrates through the sleeve and is movably connected with the sleeve, then the stop buckle is fixed at the other end of the rotating shaft I through a bolt to connect and fix the rotating shaft I and the sleeve, and the movable buckle is located in the fixed sleeve; a shaft end gear of the motor I is connected with a gear at one end of the sleeve through a chain.

4. The pre-roller-coated aluminum coil unreeling and butting device as claimed in claim 1, wherein the aluminum coil adjusting mechanism comprises a frame II, a receiving roller, an adjusting roller I, an oil cylinder III, a guide supporting frame, a rotating shaft II, an adjusting roller II, a fixed shaft, a motor II and a guide groove I; two ends of the bearing roller are fixed on the upper part of the frame II through a rotating shaft II; the guide groove I is positioned on the supporting leg on one side of the machine frame II; two ends of the adjusting roller I penetrate through the guide groove I through the rotating shaft II and are movably connected with the rack II through a bearing; the oil cylinder III is positioned above the guide groove I and fixed on the rack II, and the ejection shaft end of the oil cylinder III is movably connected with the rotating shafts II at the two ends of the adjusting roller I;

the guide support frame, the motor II and the fixed shaft are positioned on the supporting leg on the other side of the rack II; the motor II is positioned below the fixed shaft and the guide support frame; a gear II and a gear III are arranged on the fixed shaft, and a gear V is arranged at the shaft end of the motor II; the guide support frame is provided with an arc through groove; the rotating shaft II is positioned above the guide support frame, movably connected through a bearing and fixed on the rack II, a connecting shaft and a gear I are arranged on the rotating shaft II, the gear I is positioned at one end of the rotating shaft II and is in the same direction as the fixed shaft, and the connecting shaft is positioned at two ends of the rotating shaft II; the gear I is connected with the gear II through a chain, and the gear III is connected with the gear V through a chain; two ends of the adjusting roller II are provided with support shafts which are connected with each other through bearings, and the support shafts penetrate through the arc-shaped through grooves; one end of the connecting shaft penetrates through the supporting shaft and is movably connected with the supporting shaft.

5. The pre-roll-coated aluminum coil unreeling and butting device as claimed in claim 1, wherein the cutting mechanism comprises a support frame I, a support frame II, an oil cylinder V, a transmission roller I, a cutting knife and a knife holder; support frame I is located II tops of support frame, and support frame II is fixed on support frame I, and hydro-cylinder V one end is fixed on support frame I, cuts the sword and fixes in hydro-cylinder V's apical axis one end, and the blade holder is fixed on support frame II and is corresponded and cut the sword below, and transmission roller I is fixed at support frame I and is cut the sword both sides.

6. The pre-roll coated aluminum coil unwinding and butting device as claimed in claim 1, wherein the butting mechanism comprises a support frame III and a support frame V; a fixing plate I and a dental model relief plate are arranged on the support frame III, and the dental model relief plate is fixed on the fixing plate I; a fixing plate II, an oil cylinder IV, a transmission roller II, a tooth mold gravure and a connecting support plate are arranged on the support frame V; the connecting support plate is fixedly connected with one side of the support frame V, and the butting mechanism is connected with the cutting mechanism through the connecting support plate; the fixing plate II is fixed at the bottom of the support frame V; an oil cylinder IV is fixed on the fixing plate II, an ejection shaft of the oil cylinder IV penetrates through the top surface of the support frame V and is fixedly connected with a tooth mold gravure, and a guide shaft arranged on the tooth mold gravure penetrates through the top surface of the support frame V; and the conveying rollers II are positioned on two sides of the support frame III and are fixed on the support frame V.

7. The pre-roll coated aluminum coil unwinding and butting device as recited in claim 1, wherein the transmission mechanism comprises a base and a supporting plate; the support plate is positioned on one side of the base and used for supporting the aluminum plate; the machine base is provided with a driving roller, a motor III, a guide groove II, a guide block, a lower pressing roller, a pressure bearing roller and a pair of cylinders; two ends of the driving roller are fixed on the base through bearings, the motor III is fixed at one end of the base, and an output shaft of the motor III is connected with the driving roller; the lower pressing roller and the bearing roller are positioned on one side of the driving roller, and the bearing roller is positioned below the lower pressing roller and is fixed on the machine base through a bearing; the guide groove II is positioned on the inner wall of the machine base above the pressure-bearing roller and is provided with a guide block, and two ends of the lower pressure roller are fixed on the guide block through bearings; the air cylinder is positioned above the guide groove II; the cylinder ejection shaft is fixedly connected with the guide block.

8. The pre-roll coated aluminum coil unwinding and butting device as claimed in claim 1, wherein two ends of the guide connecting plate are respectively provided with a stopper.

9. The pre-roll-coated aluminum coil unwinding and butting device as claimed in claim 1, wherein a baffle is arranged on the rotating shaft I, and the baffle is fixed on the rotating shaft I through a fixing plate and a bolt.

Technical Field

The invention belongs to the technical field of aluminum coil production and processing, and particularly relates to a pre-roller-coated aluminum coil unwinding and butt-joint device.

Background

Pre-roll-coating aluminum roll printing is widely applied as one of the aluminum roll printing modes; can finish multicolor printing of various patterns; the unreeling process of the aluminum coil is completed by the unreeling mechanism in the printing process, so that the aluminum coil is unreeled at a constant speed and the condition that the aluminum coil is disorderly coiled is avoided.

In the processing processes of printing or film coating of the aluminum coil and the like, one aluminum coil needs to be replaced by another aluminum coil after the aluminum coil is used, and the production and the processing can be interrupted in the process; reducing the production efficiency.

In order to realize continuous production and smooth and rapid unreeling, the invention provides a novel unreeling mechanism and an aluminum reel butt joint mechanism aiming at the situation, the unreeling mechanism can realize rapid and smooth unreeling, and when the aluminum reel is used up, a standby aluminum reel and a used aluminum reel tail reel can be butted through the butt joint mechanism, so that the production and the processing can be continuously and uninterruptedly carried out.

Disclosure of Invention

The invention aims to overcome the defects in the prior art, and provides the pre-roller-coated aluminum coil unreeling and butting device.

In order to achieve the purpose, the invention adopts the technical scheme that:

a pre-roller-coated aluminum coil unreeling and butting device comprises an unreeling mechanism, an aluminum coil adjusting mechanism, a cutting mechanism, a butting mechanism and a pressing transmission mechanism; the aluminum coil adjusting mechanism is located on one side of the unwinding mechanism, the cutting mechanism is located on one side of the aluminum coil adjusting mechanism, the butting mechanism is located on one side of the cutting mechanism, and the transmission mechanism is located on one side of the butting mechanism.

The unwinding mechanism comprises a rack I, a transmission mechanism, a roller supporting mechanism and a material roller, wherein the rack I is positioned on one side of the transmission mechanism; the roller supporting mechanism is arranged on the rack I; the material roller is movably sleeved with a roller supporting mechanism.

A motor I is arranged at the bottom of the rack I, and a gear is arranged at the shaft end of the motor I; and an aluminum plate is coiled outside the material roller to form an aluminum coil.

The transmission mechanism comprises a guide transmission table, a fixed table, a supporting table, an oil cylinder II and a fixed seat I; a guide groove is formed in the guide transmission table; the bottom of the fixed table is provided with a guide block, and the fixed table is connected with a guide transmission table through the guide block and a guide groove; an oil cylinder I is arranged on the fixed table; one end of the oil cylinder I is fixed on the fixed table, and the other end of the oil cylinder I is fixedly connected with the supporting table through the ejection shaft; the support table is used for supporting and placing the aluminum coil; the fixed seat I is positioned on one side of the guide transmission table; one end of the oil cylinder II is fixed on the fixing seat I, and the other end of the oil cylinder II is ejected out of one side of the shaft and fixedly connected with the fixing table.

The roller supporting mechanism comprises a rotating shaft I, a fixed seat II, a connecting rod, an arc-shaped plate, a guide connecting plate, a sleeve and a retaining buckle; the rotating shaft I is provided with a movable buckle, a spring and a steering handle, the left end and the right end of the rotating shaft I are provided with threads, the threads and the steering handle are positioned on one side of the rotating shaft I, and the threads are a section of forward thread and a section of reverse thread respectively; the steering handle is fixed at one end of the rotating shaft I through a bolt; the movable buckle and the spring are positioned on one side of the thread, the movable buckle is fixed on the rotating shaft I through a pin shaft, one end of the spring is fixedly connected with the movable buckle, and the other end of the spring is fixedly connected with the rotating shaft I; the fixed seats II are respectively movably connected with threads; the guide connecting plate penetrates through the arc-shaped plate to play a role in guide connection; one end of the connecting rod is movably connected with the fixing seat II through a pin shaft, and the other end of the connecting rod is movably connected with the arc-shaped plate through a pin shaft.

The sleeve penetrates through the rack I and is fixed on the rack I; one end of the sleeve is provided with a gear, and the other end of the sleeve is provided with a fixed sleeve; a plurality of clamping teeth are arranged in the fixed sleeve; the rotating shaft I penetrates through the sleeve and is movably connected with the sleeve, then the stop buckle is fixed at the other end of the rotating shaft I through a bolt to connect and fix the rotating shaft I and the sleeve, and the movable buckle is located in the fixed sleeve; a shaft end gear of the motor I is connected with a gear at one end of the sleeve through a chain.

The aluminum coil adjusting mechanism comprises a rack II, a receiving roller, an adjusting roller I, an oil cylinder III, a guide supporting frame, a rotating shaft II, an adjusting roller II, a fixed shaft, a motor II and a guide groove I; two ends of the bearing roller are fixed on the upper part of the frame II through a rotating shaft II; the guide groove I is positioned on the supporting leg on one side of the machine frame II; two ends of the adjusting roller I penetrate through the guide groove I through the rotating shaft II and are movably connected with the rack II through a bearing; the oil cylinder III is positioned above the guide groove I and fixed on the rack II, and the ejection shaft end of the oil cylinder III is movably connected with the rotating shafts II at the two ends of the adjusting roller I.

The guide support frame, the motor II and the fixed shaft are positioned on the supporting leg on the other side of the rack II; the motor II is positioned below the fixed shaft and the guide support frame; a gear II and a gear III are arranged on the fixed shaft, and a gear V is arranged at the shaft end of the motor II; the guide support frame is provided with an arc through groove; the rotating shaft II is positioned above the guide support frame, movably connected through a bearing and fixed on the rack II, a connecting shaft and a gear I are arranged on the rotating shaft II, the gear I is positioned at one end of the rotating shaft II and is in the same direction as the fixed shaft, and the connecting shaft is positioned at two ends of the rotating shaft II; the gear I is connected with the gear II through a chain, and the gear III is connected with the gear V through a chain; two ends of the adjusting roller II are provided with support shafts which are connected with each other through bearings, and the support shafts penetrate through the arc-shaped through grooves; one end of the connecting shaft penetrates through the supporting shaft and is movably connected with the supporting shaft.

The cutting mechanism comprises a support frame I, a support frame II, an oil cylinder V, a transmission roller I, a cutting knife and a knife holder; support frame I is located II tops of support frame, and support frame II is fixed on support frame I, and hydro-cylinder V one end is fixed on support frame I, cuts the sword and fixes in hydro-cylinder V's apical axis one end, and the blade holder is fixed on support frame II and is corresponded and cut the sword below, and transmission roller I is fixed at support frame I and is cut the sword both sides.

The butt joint mechanism comprises a support frame III and a support frame V; a fixing plate I and a dental model relief plate are arranged on the support frame III, and the dental model relief plate is fixed on the fixing plate I; a fixing plate II, an oil cylinder IV, a transmission roller II, a tooth mold gravure and a connecting support plate are arranged on the support frame V; the connecting support plate is fixedly connected with one side of the support frame V, and the butting mechanism is connected with the cutting mechanism through the connecting support plate; the fixing plate II is fixed at the bottom of the support frame V; an oil cylinder IV is fixed on the fixing plate II, an ejection shaft of the oil cylinder IV penetrates through the top surface of the support frame V and is fixedly connected with a tooth mold gravure, and a guide shaft arranged on the tooth mold gravure penetrates through the top surface of the support frame V; and the conveying rollers II are positioned on two sides of the support frame III and are fixed on the support frame V.

The transmission mechanism comprises a base and a supporting plate; the support plate is positioned on one side of the base and used for supporting the aluminum plate; the machine base is provided with a driving roller, a motor III, a guide groove II, a guide block, a lower pressing roller, a pressure bearing roller and a pair of cylinders; two ends of the driving roller are fixed on the base through bearings, the motor III is fixed at one end of the base, and an output shaft of the motor III is connected with the driving roller; the lower pressing roller and the bearing roller are positioned on one side of the driving roller, and the bearing roller is positioned below the lower pressing roller and is fixed on the machine base through a bearing; the guide groove II is positioned on the inner wall of the machine base above the pressure-bearing roller and is provided with a guide block, and two ends of the lower pressure roller are fixed on the guide block through bearings; the air cylinder is positioned above the guide groove II; the cylinder ejection shaft is fixedly connected with the guide block.

Preferably, the two ends of the guide connecting plate are respectively provided with a stop block to prevent the arc-shaped plate from slipping out of the guide connecting plate due to excessive expansion;

preferably, be equipped with the baffle on the axis of rotation I, the baffle passes through fixed plate and bolt fastening on axis of rotation I, plays spacing effect when material roller and aluminium book suit prop roller mechanism.

Compared with the prior art, the invention has the beneficial effects that:

1) the aluminum coil unwinding mechanism is provided with a roller supporting mechanism, the mechanism is provided with a steering shaft and a sleeve, the roller supporting effect on a material roller and an aluminum coil can be achieved through the matching use of a motor, the sleeve and the steering shaft, and meanwhile, the steering shaft continues to rotate along the same direction to realize the aluminum coil unwinding process; compared with other unwinding device machine roller supporting mechanisms, the unwinding device machine roller supporting mechanism has the advantages that the roller supporting mechanism only increases the roller supporting force on the material roller along with the unwinding and the unwinding in the same rotating direction, so that the loosening phenomenon cannot occur;

2) the invention is provided with the butt joint mechanism, which can butt joint the standby aluminum coil and the tail coil of the aluminum coil in time, so that the processing and production of the aluminum coil can be continuous without interruption; and the gap between the concave-convex tooth mouths of the butt joint is inserted with an aluminum strip, and the concave-convex tooth mouths and the aluminum strip are pressed flatly by an upper press roller and a pressure bearing roller at the transmission mechanism to ensure that the butt joint is firmer.

Drawings

FIG. 1 is a schematic structural view of a pre-roll-coated aluminum coil unreeling and butting device;

FIG. 2 is a schematic structural diagram of an unwinding mechanism in a pre-roll-coated aluminum coil unwinding and butting device;

FIG. 3 is a schematic structural view of a rotating shaft and a sleeve in an unreeling mechanism in the pre-roll-coated aluminum coil unreeling and butting device;

FIG. 4 is an exploded view of an unwinding mechanism in a pre-roll-coated aluminum coil unwinding and butting device according to the present invention;

FIG. 5 is a schematic structural view of a roller supporting mechanism in an unwinding mechanism of a pre-roll-coating aluminum coil unwinding and butting device;

FIG. 6 is a schematic structural view of an aluminum coil adjusting mechanism in the pre-roll-coated aluminum coil unreeling and butting device according to the invention;

FIG. 7 is a schematic view of a cutting mechanism and a butt-joint mechanism in the pre-roll-coated aluminum coil unreeling and butt-joint device of the present invention;

FIG. 8 is an effect diagram of a standby aluminum coil and a tail coil of the aluminum coil extruded in the pre-roller-coated aluminum coil unreeling and butting device and a simple operation schematic diagram of the aluminum coil;

FIG. 9 is a schematic structural view of a transmission mechanism in a pre-roll-coated aluminum coil unreeling and butting device according to the invention;

in the figure: 1. an unwinding mechanism; 11. a frame I; 111. a motor I; 12. a transport mechanism; 121. a guiding transmission table; 122. a fixed table; 1221. an oil cylinder I; 123. a support table; 124. an oil cylinder II; 125. a fixed seat I; 13. a roller supporting mechanism; 131. a rotating shaft I; 1311. a movable buckle; 1312. a spring; 1313. a thread; 1314. a steering handle; 132. a fixed seat II; 133. a connecting rod; 134. an arc-shaped plate; 135. a baffle plate; 1351. a fixing plate; 136. a guide connecting plate; 1361. a stopper; 137. a sleeve; 1371. a gear; 1372. fixing a sleeve; 13721. clamping teeth; 138. blocking and buckling; 1381. a bolt; 14. A material roller; 2. an aluminum coil adjusting mechanism; 21. a frame II; 22. a receiving roller; 23. adjusting a roller I; 24. an oil cylinder III; 25. a guide support frame; 251. an arc-shaped through groove; 26. a rotating shaft II; 261. a gear I; 262. a connecting shaft; 27. adjusting a roller II; 271. A support shaft; 28. a fixed shaft; 281. a gear II; 282. a gear III; 29. a motor II; 291. a gear V; 210. a guide groove I; 3. a cutting mechanism; 31. a support frame I; 32. a support frame II; 33. an oil cylinder V; 34. a conveying roller I; 35. cutting knife; 36. a tool apron; 4. a docking mechanism; 41. a support frame III; 411. a fixing plate I; 412. a dental model relief plate; 42. a support frame V; 421. fixing a plate II; 422. an oil cylinder IV; 423. a transmission roller II; 424. a dental model intaglio plate; 4241. a guide shaft; 425. connecting the supporting plate; 5. a transmission mechanism; 51. a machine base; 511. a driving roller; 512. a motor III; 513. a cylinder; 514. A guide groove II; 515. a lower pressing roller; 516. a backing roll; 517. a guide block; 52. a support plate; 6. rolling aluminum; 61. standby aluminum coils; 62. rolling the tail of the aluminum coil; 63. and (3) aluminum strips.

Detailed Description

For the convenience of understanding of those skilled in the art, the technical solution of the present invention will be further described in detail with reference to fig. 1 to 9.

A pre-roller-coated aluminum coil unreeling and butting device comprises an unreeling mechanism 1, an aluminum coil adjusting mechanism 2, a cutting mechanism 3, a butting mechanism 4 and a pressing transmission mechanism 5; the aluminum roll adjusting mechanism 2 is located on one side of the unwinding mechanism 1, the cutting mechanism 3 is located on one side of the aluminum roll adjusting mechanism 2, the butting mechanism 4 is located on one side of the cutting mechanism 3, and the transmission mechanism 5 is located on one side of the butting mechanism 4.

The unwinding mechanism 1 comprises a rack I11, a transmission mechanism 12, a roller supporting mechanism 13 and a material roller 14, wherein the rack I11 is positioned on one side of the transmission mechanism 12; the roller supporting mechanism 13 is arranged on the rack I11; the material roller 14 is movably sleeved with the roller supporting mechanism 13.

The bottom of the rack I11 is provided with a motor I111, and a gear is arranged at the shaft end of the motor I111; an aluminum plate is wound outside the material roller 14 to form an aluminum coil 6.

The transmission mechanism 12 comprises a guide transmission table 121, a fixed table 122, a support table 123, an oil cylinder II 124 and a fixed seat I125; a guide groove is formed on the guide transmission table 121; the bottom of the fixed table 122 is provided with a guide block, and the fixed table 122 is connected with the guide transmission table 121 through the guide block and the guide groove; an oil cylinder I1221 is arranged on the fixed table 122; one end of the oil cylinder I1221 is fixed on the fixed table 122, and the other end of the oil cylinder I1221 is fixedly connected with the supporting table 123 through a jacking shaft; the support platform 123 is used for supporting and placing the aluminum coil 6; the fixed seat I125 is positioned on one side of the guide transmission table 121; one end of the oil cylinder II 124 is fixed on the fixing seat I125, and the other end of the oil cylinder II is ejected out of one side of the shaft and fixedly connected with the fixing table 122; the aluminum coil 6 is placed on the supporting platform 123 through a hoisting apparatus, then the supporting platform 123 is lifted to the same height of the roller supporting mechanism 13 through the oil cylinder I1221, and then the fixing platform 122 is pushed to slide through the oil cylinder II 124 so that the aluminum coil 6 is sleeved into the roller supporting mechanism 13.

The roller supporting mechanism 13 comprises a rotating shaft I131, a fixed seat II 132, a connecting rod 133, an arc-shaped plate 134, a guide connecting plate 136, a sleeve 137 and a blocking buckle 138; the rotating shaft I131 is provided with a movable buckle 1311, a spring 1312 and a steering handle 1314, the left end and the right end of the rotating shaft I131 are provided with threads 1313, the threads 1313 and the steering handle 1314 are positioned on one side of the rotating shaft I131, and the threads 1313 are respectively a section of forward thread and a section of reverse thread; the steering handle 1314 is fixed at one end of the rotating shaft I131 through a bolt; the movable buckle 1311 and the spring 1312 are located on one side of the thread 1313, the movable buckle 1311 is fixed to the rotating shaft I131 through a pin, one end of the spring 1312 is fixedly connected with the movable buckle 1311, and the other end of the spring 1312 is fixedly connected with the rotating shaft I131; the fixing seats II 132 are respectively movably connected with threads 1313; the guide connecting plate 136 penetrates through the arc-shaped plate 134 to play a role in guide connection; one end of the connecting rod 133 is movably connected with the fixed seat II 132 through a pin shaft, and the other end of the connecting rod is movably connected with the arc-shaped plate 134 through a pin shaft; the rotating shaft I131 rotates to enable the fixing seat II 132 at the thread 1313 to converge towards the middle or disperse towards two sides, so that the arc-shaped plate 134 is supported by outward diffusion or converged and contracted towards the inner side; thereby acting to tighten and tighten the roll 14.

The sleeve 137 penetrates through the frame I11 and is fixed on the frame I; one end of the sleeve 137 is provided with a gear 1371, and the other end is provided with a fixed sleeve 1372; a plurality of clamping teeth 13721 are arranged in the fixed sleeve 1372; the rotating shaft I131 penetrates through the sleeve 137 and is movably connected with the sleeve 137, then the retaining buckle 138 is fixed at the other end of the rotating shaft I131 through a bolt 1381 to connect and fix the rotating shaft I131 and the sleeve 137, and at the moment, the movable buckle 1311 is located in the fixed sleeve 1372; the shaft end gear of the motor I111 is connected with a gear 1371 at one end of the sleeve 137 through a chain.

The motor I111 drives the gear to rotate, so that the sleeve 137 rotates, the clamping teeth 13721 clamp the movable buckle 1311 to drive the rotating shaft I131 to rotate, and finally the fixed seat II 132 is driven to move, so that the arc-shaped plate 134 is expanded outwards to support the material roller 14 and the aluminum coil 6 through the connecting rod 133; along with the rotation of motor I111 not only realized the tight effect of propping of material roller 14 and accomplished the action of unreeling of aluminium book 6 simultaneously, unreel the in-process sleeve pipe 137 simultaneously and rotate and only can increase the roller dynamics of propping roller mechanism 13 to material roller 14 and aluminium book 6, avoided the hydraulic pressure to prop roller mechanism 13 under the sudden failure state aluminium book 6 drop or the condition emergence of indiscriminate book.

The aluminum coil adjusting mechanism 2 comprises a rack II 21, a receiving roller 22, an adjusting roller I23, an oil cylinder III 24, a guide supporting frame 25, a rotating shaft II 26, an adjusting roller II 27, a fixed shaft 28, a motor II 29 and a guide groove I210; two ends of the bearing roller 22 are fixed on the upper part of the frame II 21 through a rotating shaft II 26; the guide groove I210 is positioned on the supporting leg on one side of the machine frame II 21; two ends of the adjusting roller I23 penetrate through the guide groove I210 through the rotating shaft II 26 and are movably connected with the rack II 21 through a bearing; the oil cylinder III 24 is positioned above the guide groove I210 and fixed on the rack II 21, and the ejection shaft end of the oil cylinder III 24 is movably connected with the rotating shafts II 26 at the two ends of the adjusting roller I23; the oil cylinder III 24 provides power to drive the adjusting roller I23 to move up and down along the guide groove I210 so as to adjust the tension and tightness of the aluminum coil 6.

The guide support frame 25, the motor II 29 and the fixed shaft 28 are positioned on the support leg on the other side of the rack II 21; the motor II 29 is positioned below the fixed shaft 28 and the guide support frame 25; a gear II 281 and a gear III 282 are arranged on the fixed shaft 28, and a gear V291 is arranged at the shaft end of the motor II 29; the guide support frame 25 is provided with an arc-shaped through groove 251; the rotating shaft II 26 is positioned above the guide support frame 25, movably connected through a bearing and fixed on the frame II 21, the rotating shaft II 26 is provided with a connecting shaft 262 and a gear I261, the gear I261 is positioned at one end of the rotating shaft II 26 and is in the same direction with the fixed shaft 28, and the connecting shaft 262 is positioned at two ends of the rotating shaft II 26; the gear I261 is connected with the gear II 281 through a chain, and the gear III 282 is connected with the gear V291 through a chain; two ends of the adjusting roller II 27 are provided with support shafts 271 which are connected with each other through bearings, and the support shafts 271 penetrate through the arc-shaped through grooves 251; one end of the connecting shaft 262 passes through the supporting shaft 271 and is movably connected; the fixed shaft 28 is driven to rotate by the power provided by the motor II 29, so that the rotating shaft II 26 is driven to rotate, and the adjusting roller II 27 is driven by the connecting shaft 262 to extend along the arc-shaped through groove 251 to move so as to adjust the tightness of the aluminum coil 6.

The cutting mechanism 3 comprises a support frame I31, a support frame II 32, an oil cylinder V33, a transmission roller I34, a cutting knife 35 and a knife holder 36; the support frame I31 is positioned above the support frame II 32, the support frame II 32 is fixed on the support frame I31, one end of an oil cylinder V33 is fixed on the support frame I31, a cutting knife 35 is fixed at one end of a top shaft of the oil cylinder V33, a knife holder 36 is fixed on the support frame II 32 and corresponds to the lower part of the cutting knife 35, and a transmission roller I34 is fixed on two sides of the support frame I31 and the cutting knife 35; when the aluminum roll 6 passes through the cutting mechanism 3, the aluminum roll 6 is conveyed by the conveying roller I34 and cut by the cutting knife 35 to cut the tail roll 62 of the aluminum roll;

the docking mechanism 4 comprises a support frame III 41 and a support frame V42; a fixing plate I411 and a dental model relief plate 412 are arranged on the supporting frame III 41, and the dental model relief plate 412 is fixed on the fixing plate I411; a fixed plate II 421, an oil cylinder IV 422, a transmission roller II 423, a tooth mould concave plate 424 and a connecting supporting plate 425 are arranged on the supporting frame V42; the connecting support plate 425 is fixedly connected with one side of the support frame V42, and the butting mechanism 4 is connected with the cutting mechanism 3 through the connecting support plate 425; the fixing plate II 421 is fixed at the bottom of the supporting frame V42; an oil cylinder IV 422 is fixed on a fixing plate II 421, an ejection shaft of the oil cylinder IV 422 penetrates through the top surface of the support frame V42 to be fixedly connected with a tooth mold intaglio 424, and a guide shaft 4241 is arranged on the tooth mold intaglio 424 and penetrates through the top surface of the support frame V42; the conveying rollers II 423 are positioned on two sides of the supporting frame III 41 and are fixed on the supporting frame V42; when the aluminum coil 6 needs to be butted, the cut joint of the aluminum coil tail coil 62 and the spare aluminum coil 61 is overlapped and arranged between the tooth mold relief plate 412 and the tooth mold intaglio plate 424, the overlapping size of the joint of the aluminum coil tail coil 62 and the spare aluminum coil 61 is larger than the width of the tooth mold relief plate 412 or the tooth mold intaglio plate 424, then the oil cylinder IV 422 ejects the tooth mold intaglio plate 424 and the tooth mold relief plate 412 to extrude to form mutually staggered concave-convex teeth, and then the aluminum strip 63 is inserted into a concave-convex tooth gap formed by the spare aluminum coil 61 and the aluminum coil tail coil 62 to increase the friction resistance of the two sides.

The transmission mechanism 5 comprises a base 51 and a support plate 52; the support plate 52 is positioned at one side of the base 51 for supporting the aluminum plate; the machine base 51 is provided with a driving roller 511, a motor III 512, a guide groove II 514, a guide block 517, a lower pressing roller 515, a pressure bearing roller 516 and a pair of cylinders 513; two ends of the driving roller 511 are fixed on the base 51 through bearings, the motor III 512 is fixed at one end of the base 51, an output shaft of the motor III 512 is connected with the driving roller 511, and the driving roller 511 is driven to rotate by power supplied by the motor III 512; the lower pressing roller 515 and the pressure bearing roller 516 are positioned at one side of the driving roller 511, and the pressure bearing roller 516 is positioned below the lower pressing roller 515 and is fixed on the machine base 51 through a bearing; the guide groove II 514 is positioned on the inner wall of the machine base 51 above the pressure bearing roller 516, a guide block 517 is arranged on the guide groove II 514, and two ends of the lower pressure roller 515 are fixed on the guide block 517 through bearings; the air cylinder 513 is positioned above the guide groove II 514; the ejection shaft of the air cylinder 513 is fixedly connected with a guide block 517, and the air cylinder 513 controls the lower pressing roller 515 to move up and down along the guide groove II 514.

When the aluminum coil tail coil 62 and the standby aluminum coil 61 are butted, the driving roller 511 drives the aluminum coil 6 to pass through the lower pressing roller 515, and the lower pressing roller 515 is controlled by the air cylinder 513 to press down and press the butting port of the aluminum coil 6 to be flat by the pressure bearing roller 516, so that the connection is firmer.

Two ends of the guide connecting plate 136 are respectively provided with a stop 1361 to prevent the arc plate 134 from slipping out of the guide connecting plate 136 due to excessive expansion.

The baffle 135 is arranged on the rotating shaft I131, the baffle 135 is fixed on the rotating shaft I131 through a fixing plate 1351 and a bolt 1381, and the material roller 14 and the aluminum coil 6 are sleeved with the roller supporting mechanism 13 to play a role in limiting.

A pre-roller-coating aluminum coil unreeling and butt-joint device comprises the following working processes:

when the production line starts to work, the unwinding mechanism starts to unwind, the cutting mechanism cuts the tail coil of the previous coil to be level, and then the butt joint mechanism is used for performing tooth opening butt joint on the tail coil of the aluminum coil and the standby aluminum coil; then inserting the aluminum strip into a concave-convex tooth gap formed by the standby aluminum coil and the tail coil of the aluminum coil, then pressing the aluminum strip to flatten the butt joint tooth mouth through the extrusion of a lower pressing roller and a pressure bearing roller on a transmission mechanism, and then transmitting the transmission roller to enter the next procedure.

The foregoing is merely exemplary and illustrative of the present invention and various modifications, additions and substitutions may be made by those skilled in the art to the specific embodiments described without departing from the scope of the present invention as defined in the accompanying claims.