Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a precise cutting device for a metallized film of a capacitor.
The invention solves the technical problems by the following technical means:
the precise cutting device for the metallized film of the capacitor comprises a body and a winding mechanism, wherein a winding rod is arranged on the body, and the winding mechanism is connected to the winding rod;
the winding mechanism comprises a connecting rod, a bearing, a lifting unit and a limiting unit, wherein the connecting rod is connected with the winding rod, the connecting rod is used for winding the metallized film, the inner ring of the bearing is sleeved on the outer wall of the connecting rod, the lifting unit is fixedly arranged on the outer wall of the outer ring of the bearing, the side wall of the rolled metallized film is limited, the limiting unit is connected with the lifting unit, and the surface of the rolled metallized film is limited;
the lifting unit has deformation characteristics, and the limiting unit is in contact with the rolled metallized film to lift, so that the lifting unit stretches and continuously limits the side wall of the metallized film.
As an improvement of the technical scheme, the bearings are symmetrically provided with two groups and clamped on two sides of the rolled metallized film, lifting units on each group of bearings are at least provided with two groups, and limiting units are connected between the two groups of lifting units on the same side of different bearings.
As the improvement of above-mentioned technical scheme, the lifting unit includes first sleeve pipe, second sleeve pipe and third sleeve pipe, first sleeve pipe, second sleeve pipe and third sleeve pipe set gradually from outside to inside, the third sleeve pipe is connected with the bearing all the time, fixed plate is provided with on the first sleeve pipe, the fixed plate is connected with spacing unit.
As an improvement of the technical scheme, a first elastic piece is fixedly arranged between the first sleeve and the second sleeve, and a second elastic piece is fixedly arranged between the second sleeve and the third sleeve.
As an improvement of the technical scheme, the outer wall of the first sleeve is sleeved with a rotating sleeve, and the rotating sleeve is in contact with the rolled metallized film.
As the improvement of the technical scheme, the limiting unit comprises a limiting pipeline, the limiting pipeline is connected with the fixed plate, and the limiting pipeline is in contact with the rolled metallized film, so that the first sleeve, the second sleeve and the third sleeve are stretched, and the side wall of the rolled metallized film is limited.
As the improvement of above-mentioned technical scheme, still be provided with the rectangle opening that runs through on the spacing pipeline, the rectangle opening sets up towards the connecting rod direction all the time, the inner chamber rotation of spacing pipeline is provided with two sets of gag lever posts, two sets of the guide metallized film is held to the gag lever post clamp, winds the outer wall at the connecting rod.
As an improvement of the technical scheme, the winding mechanism further comprises a connecting plate, a movable sleeve and a limiting screw, wherein the connecting plate is fixedly connected with the connecting rod, every two groups of connecting plates are connected through bolts, and the leftmost connecting plate and the rightmost connecting plate are connected with the winding rod;
the movable sleeve is sleeved on the outer wall of the connecting rod, the bearing sleeve is arranged on the outer wall of the connecting rod, the limiting screw penetrates through the movable sleeve and is in threaded fit with the movable sleeve, and the limiting screw is in contact with the connecting rod so that the movable sleeve is clamped on the outer wall of the connecting rod.
The invention has the beneficial effects that:
1. through the lifting unit, when carrying out spacing processing to the lateral wall of lapping metallized film, can effectually prevent that lapping metallized film from appearing the phenomenon of skew at the in-process of rolling, the lifting unit can be along with lapping metallized film thickness increase and tensile moreover, can be continuous carry out spacingly to lapping metallized film, then at the in-process of continuous rolling, can be continuous guarantee that lapping metallized film can not appear the phenomenon of skew dislocation, can effectually improve the precision of processing, improve the final quality of finished product.
2. Through the spacing unit and the surface contact of lapping metallized film that set up, can play the guide effect to lapping metallized film, when carrying out the rolling metallized film, can effectually rectify, can effectually prevent to appear the skew phenomenon when lapping metallized film rolling.
3. Through spacing unit and metallized film contact, can effectually clear up metallized film's surface, after cutting the completion, can effectual improvement end product's quality.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments of the present invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
It will be understood that when an element is referred to as being "fixed to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.
Examples
As shown in fig. 1, 2, 3, 4, 5 and 6, the precise cutting device for metallized film of capacitor according to the embodiment includes a body 10 and a winding mechanism 20, wherein the body 10 is provided with a winding rod 11, and the winding mechanism 20 is connected to the winding rod 11;
the winding mechanism 20 comprises a connecting rod 25, a bearing 21, a lifting unit 26 and a limiting unit 27, wherein the connecting rod 25 is connected with the winding rod 11, the connecting rod 25 is used for winding a metallized film, the inner ring of the bearing 21 is sleeved on the outer wall of the connecting rod 25, the lifting unit 26 is fixedly arranged on the outer wall of the outer ring of the bearing 21, the side wall of the rolled metallized film is limited, the limiting unit 27 is connected with the lifting unit 26, and the surface of the rolled metallized film is limited;
the lifting unit 26 has deformation characteristics, and the limiting unit 27 is in contact with and lifts the rolled metallized film, so that the lifting unit 26 stretches and continuously limits the side wall of the metallized film.
When the metallized film is rolled, the body 10 cuts the metallized film, the rolling rod 11 is driven by a motor to rotate, the rolling rod 11 which rotates drives the rolling mechanism 20 to rotate, namely the connecting rod 25 rotates, the rolled metallized film is rolled through the rotating connecting rod 25, the rolled metallized film can be rolled due to the continuous rotation of the connecting rod 25, the rolled metallized film is changed into a rolled metallized film, the surface of the rolled metallized film is abutted against the limiting unit 27 in the continuous thickening process of the rolled metallized film, the limiting unit 27 is lifted, and the lifting unit 26 is driven to stretch when the limiting unit 27 is lifted, so that the lifting unit 26 stretches along with the thickening of the rolled metallized film, and the side wall of the rolled metallized film is continuously limited;
when the side wall of the rolled metallized film is subjected to limit treatment through the lifting unit 26, the phenomenon that the rolled metallized film is deviated in the rolling process can be effectively prevented, the lifting unit 26 can stretch along with thickening of the rolled metallized film, the rolled metallized film can be continuously limited, in the continuous rolling process, the phenomenon that the rolled metallized film is deviated and misplaced can be continuously guaranteed, the processing precision can be effectively improved, and the final quality of a finished product is improved; the limiting unit 27 is contacted with the surface of the rolled metallized film, so that the rolled metallized film can be guided, correction can be effectively performed when the rolled metallized film is rolled, and the phenomenon of deviation can be effectively prevented when the rolled metallized film is rolled; through spacing unit 27 and metallized film contact, can be effectual clear up metallized film's surface, after cutting the completion, can effectual improvement end product's quality.
As shown in fig. 2, the bearings 21 are symmetrically provided with two groups, which are clamped at two sides of the rolled metallized film, at least two groups of lifting units 26 on each group of bearings 21 are provided, and a limiting unit 27 is connected between the two groups of lifting units 26 on the same side of different bearings 21.
When the metallized film is rolled, the two groups of bearings 21 which are symmetrically arranged can enable the lifting unit 26 to limit the side walls of the rolled metallized film, and when the metallized film is rolled, offset dislocation phenomenon of the two side walls of the rolled metallized film can be effectively prevented.
As shown in fig. 3, the lifting unit 26 includes a first sleeve 262, a second sleeve 264 and a third sleeve 265, the first sleeve 262, the second sleeve 264 and the third sleeve 265 are sequentially disposed from outside to inside, the third sleeve 265 is always connected with the bearing 21, a fixing plate 261 is fixedly disposed on the first sleeve 262, and the fixing plate 261 is connected with the limiting unit 27.
When connecting rod 25 rotates, lapping metallized film thickness increases for spacing unit 27 extrudees for spacing unit 27 lifting, and when spacing unit 27 lifting, first sleeve pipe 262, second sleeve pipe 264 and third sleeve pipe 265 are lifted by spacing unit 27 in proper order, make tensile to suitable length carry out spacing constantly to the lateral wall of lapping metallized film, in carrying out continuous rolling in-process, can effectually prevent that lapping metallized film from appearing squinting dislocation phenomenon, can effectually improve the quality of final product.
As shown in fig. 4, a first elastic member 266 is fixedly disposed between the first sleeve 262 and the second sleeve 264, and a second elastic member 267 is fixedly disposed between the second sleeve 264 and the third sleeve 265.
When the lifting unit 26 stretches, the first elastic piece 266, the second elastic piece 267 enable the first sleeve 262, the second sleeve 264 and the third sleeve 265 to have elasticity, and the limiting unit 27 can continuously limit the surface of the rolled metallized film in the continuous stretching process of the first sleeve 262, the second sleeve 264 and the third sleeve 265, so that the phenomenon of offset dislocation of the metallized film in the rolling process can be effectively prevented.
As shown in fig. 3, the outer wall of the first sleeve 262 is sleeved with a rotating sleeve 263, and the rotating sleeve 263 is in contact with the rolled metallized film.
In the process of winding the metallized film, the rotating sleeve 263 contacts with the side wall of the rolled metallized film, so that the original sliding friction is changed into rolling friction, and the rolled metallized film is prevented from being damaged when the first sleeve 262 contacts with the inner wall of the rolled metallized film.
As shown in fig. 5, the limiting unit 27 includes a limiting pipe 271, the limiting pipe 271 is connected with the fixed plate 261, and the limiting pipe 271 is in contact with the rolled metallized film, so that the first sleeve 262, the second sleeve 264 and the third sleeve 265 are stretched, and the side walls of the rolled metallized film are limited.
When spacing is carried out to the surface of lapping metallized film, spacing pipeline 271 is pulled under the elasticity characteristic of lifting unit 26 and is moved towards the surface of lapping metallized film, when spacing pipeline 271 and lapping metallized film contact, carries out spacing, when metallized film carries out the rolling, can effectually prevent to appear dislocation phenomenon, simultaneously through spacing pipeline 271 and lapping metallized film contact, can clear up the surface of lapping metallized film, can effectual improvement end product's quality.
As shown in fig. 6, the limiting pipe 271 is further provided with a rectangular opening 272 that penetrates through, the rectangular opening 272 is always disposed towards the connecting rod 25, two sets of limiting rods 273 are rotatably disposed in the inner cavity of the limiting pipe 271, and the two sets of limiting rods 273 clamp and guide the metallized film and are wound on the outer wall of the connecting rod 25.
When the metalized film after slitting is rolled, the metalized film is clamped by the two groups of limiting rods 273, then the metalized film is wound on the connecting rod 25 through the rectangular opening 272, the metalized film can be effectively guided by the two groups of limiting rods 273, the rolled metalized film can be effectively prevented from dislocation when the connecting rod 25 rotates, and the front and back surfaces of the metalized film can be cleaned by the two groups of limiting rods 273, so that impurities can be prevented from remaining on the surface of the metalized film.
As shown in fig. 2, the winding mechanism 20 further includes a connection plate 24, a moving sleeve 23, and a limiting screw 22, where the connection plate 24 is fixedly connected with a connection rod 25, each two groups of connection plates 24 are connected by bolts, and the leftmost connection plate 24 and the rightmost connection plate 24 are connected with the winding rod 11;
the movable sleeve 23 is sleeved on the outer wall of the connecting rod 25, the bearing 21 is sleeved on the outer wall of the connecting rod 25, the limiting screw 22 penetrates through the movable sleeve 23 and is in threaded fit with the movable sleeve 23, and the limiting screw 22 is in contact with the connecting rod 25, so that the movable sleeve 23 is clamped on the outer wall of the connecting rod 25.
When rolling is carried out to the lapping metallized film of different breadth, stir the removal sleeve pipe 23 for remove sleeve pipe 23 and remove on the outer wall of connecting rod 25, until two sets of removal sleeve pipes 23 adjust to suitable interval, afterwards rotate restriction screw 22, make the removal sleeve pipe 23 joint at the outer wall of connecting rod 25 through restriction screw 22, the interval is adjustable between two sets of removal sleeve pipes 23, can effectually make things convenient for the lapping metallized film to different breadth to carry out the rolling, can effectual improvement work's efficiency.
It is noted that relational terms such as first and second, and the like, if any, are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
The above embodiments are only for illustrating the technical solution of the present invention, and are not limiting; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.