CN115990917B - Flattening and cutting device for capacitor film roll - Google Patents
Flattening and cutting device for capacitor film roll Download PDFInfo
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- CN115990917B CN115990917B CN202310284745.4A CN202310284745A CN115990917B CN 115990917 B CN115990917 B CN 115990917B CN 202310284745 A CN202310284745 A CN 202310284745A CN 115990917 B CN115990917 B CN 115990917B
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Abstract
The invention provides a flattening and cutting device for a capacitor film roll, which belongs to the technical field of film capacitor production equipment and comprises the following components: the first conveyer belt, the second conveyer belt, the third conveyer belt and the cutting assembly that set gradually along same direction, all have the through-hole region that forms annular structure on first conveyer belt, second conveyer belt and the third conveyer belt, and correspond first conveyer belt, and the through-hole region below of second conveyer belt and third conveyer belt conveying surface all is equipped with negative pressure sucking disc. Positive pressure air pipes are arranged between the first conveying belt and the second conveying belt and between the second conveying belt and the third conveying belt, and the top surfaces of the positive pressure air pipes are provided with air outlets of strip-shaped structures. The cutting assembly comprises a pair of cutting tools which are arranged in parallel, and the cutting edges of the cutting tools are positioned in the air outlet and are used for cutting off the film. The device can be used for flatly unfolding the capacitor film material roll, preventing the film from generating folds and creases, ensuring smooth film conveying, preventing adhesion and ensuring the dimensional accuracy of the film.
Description
Technical Field
The invention belongs to the technical field of thin film capacitor production equipment, and particularly relates to a flattening and cutting device for a capacitor thin film roll.
Background
And finally, cutting the film material strip into films. The metallized patterns of each membrane are required to be consistent, the overall dimensions of the stacked membranes are consistent, and the design of accurate dislocation and consistent stacking of the array capacitor membranes can be realized. When the polypropylene film material roll is released and opened for cutting, the film material strip with the thickness of microns is soft and weak, and can not be stiff according to the length requirement of the film, so that the advanced back cutting operation is realized; the film is also susceptible to mechanical forces during mechanical operation, resulting in dimensional changes of the film, or wrinkling, breakage, blocking, breakage, and the like.
Disclosure of Invention
In order to solve the defects in the prior art, the invention provides a flattening and cutting device for a capacitor film roll, which can be used for flatly unfolding the capacitor film roll, preventing folds and creases of a film, ensuring smooth conveying of the film, preventing adhesion, and ensuring that a cut film has higher dimensional accuracy.
In order to achieve the object of the invention, the following scheme is adopted:
a flattened cutting device for a roll of capacitor film material, comprising: the first conveyer belt, the second conveyer belt, the third conveyer belt and the cutting assembly that set gradually along same direction, all have the through-hole region that forms annular structure on first conveyer belt, second conveyer belt and the third conveyer belt, and correspond first conveyer belt, and the through-hole region below of second conveyer belt and third conveyer belt conveying surface all is equipped with negative pressure sucking disc.
Positive pressure air pipes are arranged between the first conveying belt and the second conveying belt and between the second conveying belt and the third conveying belt, and the top surface of each positive pressure air pipe is provided with an air outlet with a strip-shaped structure.
The cutting assembly comprises a pair of cutting tools which are arranged in parallel, the cutting tools are arranged above the air outlet of the positive pressure air pipe in parallel, the cutting edges of the cutting tools are positioned in the air outlet, and the cutting tools are arranged in a moving mode along the length direction of the air outlet so as to cut off the film.
Further, the through hole areas are respectively positioned at the middle parts of the width directions of the first conveying belt, the second conveying belt and the third conveying belt.
Further, a pressing plate is arranged above the second conveying belt, the pressing plate covers the area where the positive pressure air pipe is located, and the cutting tool penetrates through the pressing plate.
Further, the cutting tool is of a disc structure and rotates about an axis during operation.
Further, the top surface of malleation tuber pipe is equipped with the backup pad, and the border protrusion of backup pad is in the both sides of malleation tuber pipe, and the top surface of backup pad and the top surface parallel and level of first conveyer belt, second conveyer belt and third conveyer belt, the bar hole has been seted up to the air outlet that the backup pad corresponds the malleation tuber pipe, and the cutting edge of cutting tool is located the bar downthehole.
Further, the distance between the first conveying belt and the second conveying belt and the distance between the third conveying belt and the second conveying belt are adjustable, and the length of the supporting surface of the second conveying belt is adjustable.
Further, the first conveyer belt, the second conveyer belt and the third conveyer belt all are equipped with the back-up roll axle along the both ends of direction of delivery, and wherein the middle part of second conveyer belt still is equipped with the tensioning roller, adjusts the interval between the back-up roll axle at second conveyer belt both ends in order to adjust the length of second conveyer belt holding surface to through adjusting the position of tensioning roller to the second conveyer belt tensioning.
Further, the radius of the supporting roller shaft is equal to the minimum bending radius of the first conveyor belt, the second conveyor belt and the third conveyor belt.
Further, the first conveyor belt, the second conveyor belt and the third conveyor belt are independently driven and controlled to realize independent operation and differential transportation.
The invention has the beneficial effects that:
1. the film is collimated and flattened by applying the flattening rigidity and negative pressure adsorption action of the film, and the periphery of the film plane is in no stress and is in an adsorption state in a flattening state, so that the film is conveyed flatly.
2. The direction of the film is locally controlled in the cutting area by the air knife generated by the positive pressure air pipe, so that the film is prevented from adhering.
3. The cutting assembly uses double cutting tools to cut equidistantly, so that the cutting length of each piece of film is precisely consistent.
Drawings
The drawings described herein are for illustration of selected embodiments only and not all possible implementations, and are not intended to limit the scope of the invention.
Fig. 1 shows a schematic overall structure of a preferred embodiment of the present application.
Fig. 2 shows a schematic view of the bottom structure of a preferred embodiment of the present application.
Figure 3 shows a partial view of a preferred construction of the blade and positive pressure air hose.
The marks in the figure: the device comprises a first conveying belt-1, a supporting roller shaft-11, a second conveying belt-2, a tensioning roller shaft-21, a third conveying belt-3, a through hole area-123, a negative pressure sucker-4, a positive pressure air pipe-5, a supporting plate-51, a strip-shaped hole-511, a cutting tool-61 and a pressing plate-7.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the following detailed description of the embodiments of the present invention will be given with reference to the accompanying drawings, but the described embodiments of the present invention are some, but not all embodiments of the present invention.
As shown in fig. 1 and 2, a flattening and cutting device for a capacitor film roll, comprising: the first conveyer belt 1, the second conveyer belt 2, the third conveyer belt 3 and the cutting assembly that set gradually along same direction, first conveyer belt 1, all have the through-hole region 123 that forms annular structure on second conveyer belt 2 and the third conveyer belt 3, and correspond first conveyer belt 1, the through-hole region 123 below of the 3 transport planes of second conveyer belt 2 and third conveyer belt all is equipped with negative pressure sucking disc 4, so that the film of output in the film material roll of follow condenser flattens on first conveyer belt 1, second conveyer belt 2 and third conveyer belt 3, thereby prevent film fold and form folding trace, and adsorb the transfer through the through-hole region 123 of continuity to the film, transfer force to the film production is more balanced, can effectively prevent the film from taking place fracture and elongation deformation.
Specifically, as shown in fig. 2 and 3, positive pressure air pipes 5 are respectively arranged between the first conveying belt 1 and the second conveying belt 2 and between the second conveying belt 2 and the third conveying belt 3, the top surfaces of the positive pressure air pipes 5 are provided with air outlets of strip structures, and air flows blown out by the positive pressure air pipes 5 pass through the air outlets to form air knives, so that films can be lifted upwards by the air knives when passing through the first conveying belt 1, the second conveying belt 2 and the third conveying belt 3, adhesion is overcome by the films, the films smoothly pass through the space between the first conveying belt 1, the second conveying belt 2 and the third conveying belt 3, and the trend of the films is controlled by the air knives, so that the films are prevented from moving along the curved track of the ends of the first conveying belt 1, the second conveying belt 2 or the third conveying belt 3.
Specifically, as shown in fig. 2 and 3, the cutting assembly includes a pair of parallel blades 61 for cutting the film, and the film cut between the two blades 61 is the final product, and the structure of cutting by the double blades 61 is adopted, so that the length dimension precision of the cut film is improved, the blades 61 are arranged above the air outlet of the positive pressure air duct 5 in parallel, the blades 61 are positioned in the air outlet, the blades 61 are arranged along the length direction of the air outlet in a moving manner so as to cut the film, and the air knife formed by the air outlet of the positive pressure air duct 5 is utilized to provide an upward supporting force for the film, so that the film has a certain tension, thereby facilitating the blades 61 to cut the film.
Preferably, as shown in fig. 1, the through hole areas 123 are respectively located at the middle parts of the first conveyor belt 1, the second conveyor belt 2 and the third conveyor belt 3 in the width direction, and the structure uses the negative pressure suction force generated by the negative pressure suction disc 4 to realize the collimation and unfolding of the film belt, and the periphery of the film is in a stress-free state, so that the correct size state in the film cutting process is ensured by the stress-free state of the periphery of the film, and the cutting area obtains the accurate cutting size.
Preferably, as shown in fig. 1 and 2, a pressing plate 7 is arranged above the second conveying belt 2, and the pressing plate 7 covers the area where the positive pressure air pipe 5 is located, and the cutting tool 61 penetrates through the pressing plate 7, so that when the air knife formed by the air outlet of the positive pressure air pipe 5 lifts up the film upwards, the pressing plate 7 is utilized to limit the upper part of the film, and the part of the film corresponding to the cutting track is flatly attached to the bottom surface of the pressing plate 7, so that the flatness of the notch is ensured, and the precision of the cutting size is ensured.
Preferably, as shown in fig. 1, the cutting tool 61 is in a disc structure, and rotates around an axis during operation, so that the film is effectively prevented from being involved, and the circumferential edge of the cutting tool 61 is positioned in the air outlet of the positive pressure air pipe 5.
Preferably, as shown in fig. 3, the top surface of the positive pressure air pipe 5 is provided with a supporting plate 51, the edges of the supporting plate 51 protrude from two sides of the positive pressure air pipe 5, so that the distance between the supporting plate 51 and the adjacent first conveying belt 1, second conveying belt 2 and third conveying belt 3 is shortened, the transition of a film is smoother, the end part of the film is prevented from falling into the distance between the first conveying belt 1, second conveying belt 2 and third conveying belt 3 in the conveying process, the top surface of the supporting plate 51 is flush with the top surfaces of the first conveying belt 1, second conveying belt 2 and third conveying belt 3, the supporting plate 51 is provided with a strip-shaped hole 511 corresponding to the air outlet of the positive pressure air pipe 5, the function of the air outlet of the positive pressure air pipe 5 is replaced, and the cutting edge of the cutting tool 61 is positioned in the strip-shaped hole 511.
Preferably, the distance between the first conveyor belt 1 and the second conveyor belt 2 and the distance between the third conveyor belt 3 and the second conveyor belt 2 are adjustable, the length of the supporting surface of the second conveyor belt 2 is adjustable, correspondingly, the distance between the two positive pressure air pipes 5 and the distance between the pair of cutting tools 61 are adjusted accordingly to adapt to cutting films with different lengths, and the distance can be adjusted in advance before cutting films so as to meet the requirements of cutting film length specifications.
More specifically, as shown in fig. 2, the two ends of the first conveyor belt 1, the second conveyor belt 2 and the third conveyor belt 3 along the conveying direction are respectively provided with a supporting roller shaft 11, wherein the middle part of the second conveyor belt 2 is also provided with a tensioning roller shaft 21, the distance between the supporting roller shafts 11 at the two ends of the second conveyor belt 2 is adjusted to adjust the length of the supporting surface of the second conveyor belt 2, and the second conveyor belt 2 is tensioned by adjusting the position of the tensioning roller shaft 21.
It is further preferred that the radius of the supporting roller 11 is equal to the minimum bending radius of the first conveyor belt 1, the second conveyor belt 2 and the third conveyor belt 3, that is, the supporting roller 11 has a smaller radius, so that the ends of the first conveyor belt 1, the second conveyor belt 2 and the third conveyor belt 3 have a minimum bending amplitude, thereby reducing the distance between the positive pressure air pipe 5 or the supporting plate 51 and the conveying surfaces of the first conveyor belt 1, the second conveyor belt 2 and the third conveyor belt 3, enabling the film to be easily moved onto the positive pressure air pipe 5 or the supporting plate 51, and enabling the film on the positive pressure air pipe 5 or the supporting plate 51 to be more easily moved onto the second conveyor belt 2 or the third conveyor belt 3, so as to reduce the stiff stroke of the film, and meet the length requirement of short-path stiff film.
Preferably, the first conveyor belt 1, the second conveyor belt 2 and the third conveyor belt 3 are independently driven and controlled to realize independent operation and differential transportation, redundant film sections after the film is cut, namely, residual materials are cut, the speed of the last conveyor belt is higher than that of the front conveyor belt to form differential transportation, qualified films after cutting are separated from the residual materials, useless residual materials are conveniently removed, and useful films residing on the conveyor belts are taken up by a film stacking mechanical arm.
The foregoing description of the preferred embodiments of the invention is merely exemplary and is not intended to be exhaustive or limiting of the invention. It will be understood by those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention.
Claims (6)
1. A flattening and cutting device for a roll of capacitor film material, comprising: the device comprises a first conveying belt (1), a second conveying belt (2), a third conveying belt (3) and a cutting assembly which are sequentially arranged along the same direction, wherein the first conveying belt (1), the second conveying belt (2) and the third conveying belt (3) are respectively provided with a through hole area (123) which forms an annular structure, the through hole areas (123) are respectively positioned in the middle of the width directions of the first conveying belt (1), the second conveying belt (2) and the third conveying belt (3), and the negative pressure sucking discs (4) are respectively arranged below the through hole areas (123) corresponding to the conveying surfaces of the first conveying belt (1), the second conveying belt (2) and the third conveying belt (3), and the first conveying belt (1), the second conveying belt (2) and the third conveying belt (3) are independently driven and controlled to form differential conveying after a film is cut;
positive pressure air pipes (5) are arranged between the first conveying belt (1) and the second conveying belt (2) and between the second conveying belt (2) and the third conveying belt (3), and the top surface of each positive pressure air pipe (5) is provided with an air outlet with a strip-shaped structure;
the cutting assembly comprises a pair of cutting tools (61) which are arranged in parallel, the cutting tools (61) are arranged above the air outlet of the positive pressure air pipe (5) in parallel, the cutting edges of the cutting tools (61) are positioned in the air outlet, and the cutting tools (61) are arranged in a moving way along the length direction of the air outlet and are used for cutting films;
a pressing plate (7) is arranged above the second conveying belt (2), the pressing plate (7) covers the area where the positive pressure air pipe (5) is located, and the cutting tool (61) penetrates through the pressing plate (7).
2. A flattened cutting apparatus for capacitor film rolls as recited in claim 1 wherein the cutting tool (61) is of disc construction and is operative to rotate about an axis.
3. The flattening cutting device for the capacitor film roll according to claim 1, wherein the top surface of the positive pressure air pipe (5) is provided with a supporting plate (51), the edges of the supporting plate (51) protrude out of two sides of the positive pressure air pipe (5), the top surface of the supporting plate (51) is flush with the top surfaces of the first conveying belt (1), the second conveying belt (2) and the third conveying belt (3), the supporting plate (51) is provided with a strip-shaped hole (511) corresponding to the air outlet of the positive pressure air pipe (5), and the cutting edge of the cutting tool (61) is positioned in the strip-shaped hole (511).
4. The flattening and cutting apparatus for capacitor film rolls according to claim 1, wherein the distance between the first conveyor belt (1) and the second conveyor belt (2) and the distance between the third conveyor belt (3) and the second conveyor belt (2) are adjustable, and the length of the supporting surface of the second conveyor belt (2) is adjustable.
5. The flattening and cutting device for capacitor film rolls according to claim 4, wherein both ends of the first conveyor belt (1), the second conveyor belt (2) and the third conveyor belt (3) along the conveying direction are provided with support roller shafts (11), wherein the middle part of the second conveyor belt (2) is further provided with a tensioning roller shaft (21), the distance between the support roller shafts (11) at both ends of the second conveyor belt (2) is adjusted to adjust the length of the support surface of the second conveyor belt (2), and the second conveyor belt (2) is tensioned by adjusting the position of the tensioning roller shaft (21).
6. The flat cutting device for capacitor film rolls according to claim 5, characterized in that the radius of the support roller (11) is equal to the minimum bending radius of the first conveyor belt (1), the second conveyor belt (2) and the third conveyor belt (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310284745.4A CN115990917B (en) | 2023-03-22 | 2023-03-22 | Flattening and cutting device for capacitor film roll |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310284745.4A CN115990917B (en) | 2023-03-22 | 2023-03-22 | Flattening and cutting device for capacitor film roll |
Publications (2)
| Publication Number | Publication Date |
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| CN115990917A CN115990917A (en) | 2023-04-21 |
| CN115990917B true CN115990917B (en) | 2023-05-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202310284745.4A Active CN115990917B (en) | 2023-03-22 | 2023-03-22 | Flattening and cutting device for capacitor film roll |
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| CN115990917A (en) | 2023-04-21 |
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