Aluminum strip high-precision splitting machine

Abstract

The utility model relates to the technical field of cutting, in particular to an aluminum strip high-precision splitting machine which comprises a machine base, two cutting rollers are vertically and rotatably installed on the machine base at intervals, and a winding mechanism and an unwinding mechanism are arranged on the machine base and located on the front sides and the rear sides of the cutting rollers respectively. The winding mechanism comprises a first rotating cylinder and a second rotating cylinder which are rotatably installed on the two walls of the machine base, a connecting cylinder is axially and slidably installed in the second rotating cylinder, a lead screw is rotatably installed at the end, away from the first rotating cylinder, of the connecting cylinder, the lead screw is in threaded connection with the second rotating cylinder, and an inflatable shaft is jointly inserted into the first rotating cylinder and the connecting cylinder. The wheel disc is screwed, the lead screw drives the connecting cylinder to contract into the second rotating cylinder and be gradually separated from the air expansion shaft, the end of the air expansion shaft is not limited, the other end of the air expansion shaft can be taken down from the first rotating cylinder by moving the air expansion shaft, and in this way, the disassembly and assembly operation of the air expansion shaft is completed. And compared with screw fastening, the mechanism does not need repeated operation, quick disassembly and quick assembly of the inflatable shaft can be achieved, and the operation efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of cutting, in particular to a high-precision aluminum strip slitting machine. Background Art

[0002] A slitting machine is a mechanical device that cuts wide paper, mica tape or film into multiple narrow materials. It mainly consists of an unwinding mechanism, a cutting mechanism, and a winding mechanism. In existing slitting machines, the unwinding mechanism and the winding mechanism are mainly composed of an air shaft. The air shaft is fixed to the machine body by tightening bolts, etc., and the unwinding and winding of the aluminum strip are achieved through the rotating shaft of the air shaft. However, the bolt tightening method requires multiple bolts at both ends of the air shaft, which makes disassembly and assembly time-consuming and labor-intensive, affecting production efficiency.

[0003] To this end, the utility model provides a high-precision aluminum strip slitting machine to achieve quick disassembly of the pneumatic shaft. Utility Model Content

[0004] The utility model aims to solve the problems existing in the prior art and proposes a high-precision aluminum strip slitting machine.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A high-precision aluminum strip slitting machine comprises a U-shaped machine base, on which two cutting rollers are vertically and spaced apart and rotatably mounted, a winding mechanism and an unwinding mechanism are respectively arranged on the machine base at the front and rear sides of the cutting rollers, the winding mechanism and the unwinding mechanism have the same structure, and a tensioning assembly cooperating with the unwinding mechanism is arranged on the machine base;

[0007] The winding mechanism includes a first rotating drum and a second rotating drum rotatably mounted on the two walls of the machine base, a connecting drum is axially slidably mounted in the second rotating drum, a lead screw is rotatably mounted on the end of the connecting drum away from the first rotating drum, the lead screw is threadedly connected to the second rotating drum, a pulley is provided at the end of the lead screw, rectangular shafts are inserted in the first rotating drum and the connecting drum, and an inflatable shaft is fixedly connected to one opposite end of the two rectangular shafts.

[0008] Preferably, the cutting roller comprises a shaft body and an annular cutting knife, an annular sleeve is provided on the side of the cutting knife, a plurality of threaded holes are evenly distributed on the outer wall of the shaft body, a plurality of countersunk holes are provided in an annular array on the sleeve, and the countersunk holes are connected to the corresponding threaded holes via countersunk screws.

[0009] Preferably, a plug plate is fixed on the base above the second rotating drum, and plug holes are provided on the plug plate and on the side wall of the second rotating drum. The plug holes are conical, and conical plug rods are inserted into both plug holes.

[0010] Preferably, two symmetrical guide rollers are provided on the machine base at the symmetry lines of the two cutting rollers, and the two guide rollers are located between the inflatable shaft and the cutting rollers.

[0011] Preferably, an arc-shaped conveying platform is provided on the machine base between the tensioning assembly and the cutting roller, the bottom end of the conveying platform is guided between the two cutting rollers, and the upper end is arc-shaped and located above the tensioning assembly.

[0012] Preferably, a rotating shaft is rotatably mounted on the machine base above the conveying platform, and a plurality of rotating wheels are arranged at intervals on the rotating shaft.

[0013] Preferably, the tensioning assembly comprises a plurality of staggered eccentric shafts.

[0014] Preferably, the machine base is hollowed out below the unwinding mechanism.

[0015] Compared with the prior art, the utility model provides a high-precision aluminum strip slitting machine, which has the following beneficial effects:

[0016] The specific use process of this embodiment is as follows:

[0017] 1. Turn the wheel, the connecting tube shrinks into the second rotating tube and gradually separates from the rectangular shaft at the end of the inflatable shaft. This end of the inflatable shaft has no limit. By moving the inflatable shaft, the other end of the inflatable shaft can be removed from the first rotating tube, thus completing the disassembly and assembly of the inflatable shaft. Compared with the screw fastening, this mechanism does not require repeated operations, can realize the quick disassembly and assembly of the inflatable shaft, and improves the working efficiency.

[0018] 2. The position of the cutting knife on the cutting roller is adjustable, which can change the cutting width of the aluminum strip as needed and improve the flexibility of the device.

[0019] Other advantages, objectives and features of the present invention will be described in the following description to some extent; and will be apparent to those skilled in the art based on the following examination and study to some extent; or, may be taught from the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a front perspective schematic diagram of the utility model.

[0021] Figure 2 For the utility model Figure 1 Local schematic diagram of point A.

[0022] Figure 3 It is a rear perspective schematic diagram of the utility model.

[0023] Figure 4 It is a cross-sectional schematic diagram of the utility model.

[0024] Figure 5 It is a vertical cross-sectional schematic diagram of the inflatable shaft of the utility model.

[0025] Figure 6 For the utility model Figure 5 Partial schematic diagram at point B in the middle.

[0026] Figure 7 For the utility model Figure 5 Partial schematic diagram at point C in the middle.

[0027] Figure 8 It is a schematic diagram of the utility model in which the air shaft and the second rotating drum are separated.

[0028] In the figure: 1, machine base; 2, cutting roller; 3, first rotating drum; 4, second rotating drum; 5, connecting cylinder; 6, rectangular shaft; 7, inflatable shaft; 8, screw; 9, wheel; 10, conveyor platform; 11, rotating wheel; 12, guide roller; 13, eccentric shaft; 14, shaft body; 15, cutting knife; 16, bushing; 17, screw; 18, socket. DETAILED DESCRIPTION

[0029] The following will be combined with the attached embodiment of the utility model Figure 1-8 , the technical solutions in the embodiments of the utility model are described clearly and completely. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments.

[0030] Embodiment 1, in order to solve the problems existing in the prior art, this embodiment provides a high-precision aluminum strip slitting machine, comprising a U-shaped machine base 1, a leg is provided at the lower end of the machine base 1 to suspend the machine base 1, two cutting rollers 2 are vertically and rotatably installed on the machine base 1, and a winding mechanism and an unwinding mechanism are respectively provided on the front and rear sides of the cutting roller 2 on the machine base 1, and the structures of the winding mechanism and the unwinding mechanism are the same;

[0031] The winding mechanism includes a first rotating drum 3 and a second rotating drum 4 rotatably mounted on the two walls of the machine base 1, a connecting drum 5 is axially slidably mounted in the second rotating drum 4, a screw 8 is rotatably mounted on the end of the connecting drum 5 away from the first rotating drum 3, the screw 8 is threadedly connected to the second rotating drum 4, a pulley 9 is provided at the end of the screw 8, a rectangular shaft 6 is inserted in the first rotating drum 3 and the connecting drum, an inflatable shaft 7 is fixedly connected to the opposite ends of the two rectangular shafts 6, and the spacing between the ends of the two rectangular shafts 6 is less than or equal to the width between the two walls of the machine base 1.

[0032] The machine base 1 is provided with an arc-shaped conveying platform 10 between the unwinding mechanism and the cutting roller 2. The bottom end of the conveying platform 10 is guided between the two cutting rollers 2, and the upper end is arc-shaped and located above the tensioning assembly. A rotating shaft is rotatably installed above the conveying platform 10 on the machine base 1, and a plurality of rotating wheels 11 are arranged at intervals on the rotating shaft. The conveying platform 10 is provided to transmit and guide the conveying of the aluminum strip, and the rotating wheels 11 are provided to prevent the aluminum strip from shaking and deviating during the conveying process, so as to improve the cutting accuracy.

[0033] In this embodiment, a gear is fixed at the end of the cutting roller 2, and the two gears are driven by the same driving member to rotate towards each other, so that the two cutting rollers 2 rotate towards each other to complete the cutting operation; and the rotation of the inflatable shaft 7, the eccentric shaft 13, and the rotating shaft are all driven by corresponding driving members. In this embodiment, the driving member is a servo motor.

[0034] The specific use process of this embodiment is as follows:

[0035] When in use, the aluminum strip coil is placed on the pneumatic shaft 7 of the unwinding mechanism, the protruding end of the aluminum strip passes through the surface of the conveyor platform 10, the rotating wheel 11 is pressed on the surface of the aluminum strip, and the cutting operation is completed by the cutting roller 2. The cut track is wound on the pneumatic shaft 7 of the winding mechanism, thereby completing the winding operation.

[0036] After the winding is completed, the inflatable shaft 7 of the winding mechanism and the unwinding mechanism needs to be disassembled. When disassembling the inflatable shaft 7, the wheel disc 9 is rotated and the screw 8 is rotated, so that the connecting tube 5 is contracted into the second rotating cylinder 4 and gradually separated from the rectangular shaft 6 at the end of the inflatable shaft 7. When the connecting shaft is completely contracted, one end of the inflatable shaft 7 has no limit. The inflatable shaft 7 can be moved and the other end of the inflatable shaft 7 can be removed from the first rotating cylinder 3, thus completing the disassembly and assembly of the inflatable shaft 7; when installing the inflatable shaft 7, first insert the rectangular shaft 6 at one end of the inflatable shaft 7 into the first rotating cylinder 3, rotate the wheel disc 9, the screw 8 is rotated, and the connecting tube 5 gradually extends outward, so that the rectangular shaft 6 at the other end of the inflatable shaft 7 is inserted into the connecting tube 5, thereby completing the assembly operation; compared with the screw fastening, this mechanism can realize the quick disassembly and assembly of the inflatable shaft 7, thereby improving the working efficiency.

[0037] In this embodiment, a tensioning assembly cooperating with the unwinding mechanism is provided on the machine base 1. The tensioning assembly includes a plurality of staggered eccentric shafts 13 for tensioning the aluminum strip to prevent the aluminum strip from wrinkling and sliding and affecting the cutting accuracy.

[0038] In this embodiment, two symmetrical guide rollers 12 are provided on the machine base 1 at the symmetry line of the two cutting rollers 2. The two guide rollers 12 are located between the air shaft 7 and the cutting rollers 2 and are used for transferring the aluminum strip after cutting.

[0039] In this embodiment, the base 1 is hollowed out below the unwinding mechanism to facilitate the installation of the inflatable shaft 7 of the unwinding mechanism.

[0040] Embodiment 2, the cutting roller 2 includes a shaft body 14 and an annular cutting knife 15, an annular sleeve 16 is provided on the side of the cutting knife 15, a plurality of threaded holes are evenly distributed on the outer wall of the shaft body 14, a plurality of countersunk holes are arranged in an annular array on the sleeve 16, and the countersunk holes are connected to the corresponding threaded holes via countersunk screws 17, so that the cutting knife 15 and the shaft body 14 are detachably connected and the position is adjustable, the cutting width of the aluminum strip can be changed as needed, and the flexibility of the device is improved.

[0041] Embodiment 3, since the second rotating drum 4 is rotatably installed on the machine base 1, when the wheel disk 9 is turned, the second rotating drum 4 has a probability of rotating therewith and causing the connecting shaft to fail to shrink normally. Therefore, in this embodiment, a plug plate is fixed on the machine base 1 above the second rotating drum 4, and a plug hole 18 is provided on the plug plate and on the side wall of the second rotating drum 4. The plug hole 18 is conical, and a conical plug rod is inserted into the two plug holes 18. Before turning the wheel disk 9, align the plug hole 18 on the side wall of the second rotating drum 4 with the plug hole 18 on the plug plate, and insert the plug rod. At this time, the second rotating drum 4 is restricted and cannot rotate. After the position of the connecting shaft is adjusted, the plug rod is pulled out.

[0042] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

[0043] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art may combine and combine the different embodiments or examples described in this specification and the features of the different embodiments or examples, without contradiction.

[0044] Although the embodiments of the present invention have been shown and described above, it can be understood that the above embodiments are exemplary and cannot be understood as limitations of the present invention. Ordinary technicians in the field can change, modify, replace and modify the above embodiments within the scope of the present invention.

Claims

1. A high-precision aluminum strip slitting machine, characterized in that: The invention comprises a U-shaped machine base (1), on which two cutting rollers (2) are vertically spaced and rotatably mounted, a winding mechanism and an unwinding mechanism are respectively arranged on the machine base (1) at the front and rear sides of the cutting rollers (2), the winding mechanism and the unwinding mechanism have the same structure, and a tensioning assembly cooperating with the unwinding mechanism is arranged on the machine base (1); The winding mechanism comprises a first rotating drum (3) and a second rotating drum (4) which are rotatably mounted on two walls of a machine base (1); a connecting drum (5) is axially slidably mounted in the second rotating drum (4); a lead screw (8) is rotatably mounted on one end of the connecting drum (5) away from the first rotating drum (3); the lead screw (8) is threadedly connected to the second rotating drum (4); a wheel disc (9) is provided at the end of the lead screw (8); rectangular shafts (6) are inserted into the first rotating drum (3) and the connecting drum (5); and an inflatable shaft (7) is fixedly connected to opposite ends of the two rectangular shafts (6).

2. The high-precision aluminum strip slitting machine according to claim 1, characterized in that: The cutting roller (2) comprises a shaft body (14) and an annular cutting blade (15); an annular shaft sleeve (16) is provided on the side of the cutting blade (15); a plurality of threaded holes are evenly distributed on the outer wall of the shaft body (14); a plurality of countersunk holes are arranged in an annular array on the shaft sleeve (16); and the countersunk holes are connected to corresponding threaded holes via countersunk screws (17).

3. The high-precision aluminum strip slitting machine according to claim 1, characterized in that: A plug plate is fixed on the base (1) above the second rotating drum (4), and plug holes (18) are provided on the plug plate and on the side wall of the second rotating drum (4). The plug holes (18) are conical, and a conical plug rod is inserted into both of the two plug holes (18).

4. The high-precision aluminum strip slitting machine according to claim 1, characterized in that: Two symmetrical guide rollers (12) are provided on the machine base (1) at the symmetry lines of the two cutting rollers (2); the two guide rollers (12) are located between the air shaft (7) and the cutting rollers (2).

5. The high-precision aluminum strip slitting machine according to claim 1, characterized in that: An arc-shaped conveying platform (10) is provided on the machine base (1) between the tensioning assembly and the cutting roller (2); the bottom end of the conveying platform (10) is guided between the two cutting rollers (2), and the upper end is arc-shaped and located above the tensioning assembly.

6. The high-precision aluminum strip slitting machine according to claim 5, characterized in that: A rotating shaft is rotatably mounted on the machine base (1) above the conveying platform (10), and a plurality of rotating wheels (11) are arranged at intervals on the rotating shaft.

7. The high-precision aluminum strip slitting machine according to claim 5, characterized in that: The tensioning assembly comprises a plurality of eccentric shafts (13) arranged in an alternating manner.

8. The high-precision aluminum strip slitting machine according to claim 1, characterized in that: The machine base (1) is hollowed out below the unwinding mechanism.

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