Shearing mechanism for rewinder
Technical Field
The utility model relates to the technical field of film processing, in particular to a shearing mechanism for a rewinder.
Background
Chinese patent discloses a shearing equipment (publication No. CN 211034609U) for plastic film, this patent includes frame, former spool mechanism, cuts mechanism, rewinding mechanism and guiding mechanism, guiding mechanism distributes in the top and the below of frame, the top of frame is provided with automatic tight mechanism that adjusts, frame top guiding mechanism and rewinding mechanism are located automatic tight mechanism's both sides respectively, automatic tight mechanism that adjusts includes mounting, main shaft, double torsion spring and pivot, the both ends of main shaft are all through screw and mounting fixed connection, mounting fixed connection is at the upper surface of frame, the main shaft level sets up. According to the utility model, the fixing piece, the main shaft, the double torsion springs and the rotating shaft are arranged, so that the problems that when the cutting of the plastic film is completed to perform rewinding by using the cutting equipment at present, the film in the middle of the cutting process and the rewinding process has a loosening phenomenon, and the uniformity and compactness of rewinding are affected are solved.
In the above-mentioned patent, though can realize the tensioning to the film, but can't change the interval of cutter in shearing in-process to can't satisfy the demand of cutting of different specification films, and the rolling in-process also can't carry out fixed length cutting according to appointed film length, the practicality is lower.
In order to solve the above-mentioned defect, a technical scheme is provided.
Disclosure of utility model
The technical problems to be solved by the utility model are as follows:
In the prior art, although the tensioning of the film can be realized, the distance between cutters cannot be changed in the shearing process, so that the cutting requirements of films with different specifications cannot be met, and in the rolling process, the fixed-length cutting cannot be performed according to the designated film length, so that the practicability is lower.
The aim of the utility model can be achieved by the following technical scheme:
The utility model provides a shearing mechanism that rewinding machine used, includes the workstation, and the top one end of workstation rotates and is provided with the unreel roller that unreels to the film, the top other end of workstation is provided with the wind-up subassembly that carries out the rolling to the film, is provided with between unreel roller and the wind-up subassembly and cuts the subassembly that cuts to the film, the wind-up subassembly includes a plurality of evenly distributed wind-up rollers, and a plurality of wind-up rollers rotate and set up in the inboard of two symmetrical first supporting seats that set up, and the below of a plurality of wind-up rollers is provided with the mechanism of cutting that cuts to the film, and one of them first supporting seat outside is provided with the meter mechanism that carries out the length to the film, and meter mechanism cooperation cuts the mechanism and can realize the fixed length cutting to the film;
The slitting assembly comprises a plurality of slitting knives which are uniformly distributed on the inner sides of two second supporting seats symmetrically arranged, and adjusting mechanisms capable of adjusting the intervals of the plurality of slitting knives at equal intervals are arranged at the tops of the plurality of slitting knives.
Further, cut the mechanism and cut the case including fixed setting in the inboard of two first supporting seats, cut the case top slip and be provided with and cut the sword, cut the inside both ends of case and all fixedly provided with lift cylinder, the output of lift cylinder and cut hinge connection have the lift axle between the sword.
Further, the meter rice mechanism is including rotating the drive gear who sets up in wind-up roll one end, and drive gear's bottom meshing is provided with drive gear, and drive gear's below is provided with the meter rice ware that carries out meter length to the film, and drive gear bottom and meter rice gear meshing in the meter rice ware set up.
Further, one of them the outside of first supporting seat is fixedly provided with the rolling motor, and the output and the wind-up roll fixed connection of rolling motor.
Further, adjustment mechanism is including setting up at the inboard double-end lead screw of two second supporting seats and slide bar, and the screw thread seat has all been cup jointed at the outside both ends of double-end lead screw and slide bar, evenly is provided with a plurality of regulating plates between two screw thread seats, and hinged joint has the scissors subassembly between the adjacent regulating plate, and the tip that is located the scissors subassembly of both sides is connected with two screw thread seat hinges respectively.
Further, the two ends of the outer surface of the double-end screw rod are respectively provided with threads with opposite rotation directions, two thread seats are respectively in threaded connection with the outer sides of the double-end screw rod, the thread seats are in sliding connection with the slide rod, and the adjusting plate is in sliding connection with the double-end screw rod and the slide rod.
Further, the both ends of double-end lead screw rotate with two second supporting seats respectively and are connected, and the both ends of slide bar are respectively with two second supporting seats fixed connection, and a plurality of cutting knives are respectively with corresponding a plurality of regulating plates fixed connection, and one of them second supporting seat outside is fixed to be set up accommodate motor, accommodate motor's output and double-end lead screw fixed connection.
The utility model has the beneficial effects that:
According to the utility model, through the arrangement of the winding component, the winding motor drives the winding rollers to rotate, so that the cut films are wound, in the winding process, the metering gear in the metering device is driven to continuously rotate through the cooperation of the driving gear and the transmission gear, the metering operation is realized, when the films reach the preset length, the metering device controls the lifting cylinder to control the cutting knife to move upwards in cooperation with the lifting shaft, and thus the cutting operation is carried out on the films, the fixed-length cutting in the film winding process is realized, and the practicability is improved.
Through the setting of cutting the subassembly for a plurality of cutters can realize the operation of cutting to the film, through adjustment mechanism's setting, make accommodate motor control double-end lead screw rotate, thereby cooperate the slide bar to drive two screw bases and do relative motion on the slide bar, the cooperation of a plurality of fork subassemblies is cut to the rethread, realize the interval adjustment of a plurality of regulating plates, thereby drive a plurality of cutters and realize the equidistance regulation, thereby satisfy the demand of cutting of different specification films, and can realize different widths of cutting, the practicality is stronger.
Drawings
The utility model is described in further detail below with reference to the drawings and the specific embodiments.
FIG. 1 is a schematic view of the overall structure of the present utility model;
FIG. 2 is a side elevational view of the structure of the winding assembly of the present utility model;
Figure 3 is a side view of the structure of the slitting assembly of the present utility model.
In the figure: 1. a work table; 2. an unreeling roller; 3. a winding assembly; 4. a slitting assembly; 31. a wind-up roll; 32. a first support base; 33. cutting off the box; 34. a cutting knife; 35. a lifting cylinder; 36. a lifting shaft; 37. a drive gear; 38. a transmission gear; 39. a meter counter; 310. a winding motor; 41. a dividing knife; 42. a second support base; 43. double-end screw rod; 44. a slide bar; 45. a screw seat; 46. an adjusting plate; 47. a scissors assembly; 48. and (5) adjusting the motor.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-3, the present utility model provides a technical solution:
The utility model provides a shearing mechanism that rewinding machine used, includes workstation 1, and the top one end rotation of workstation 1 is provided with unreels roller 2 to the film, and the top other end of workstation 1 is provided with the rolling subassembly 3 to the film rolling, is provided with between unreel roller 2 and the rolling subassembly 3 to the film cut the subassembly 4 that cuts, and the outside parcel of unreel roller 2 has the film to unreel the film, the rolling subassembly 3 is used for carrying out the rolling to the film after cutting.
The winding component 3 comprises a plurality of winding rollers 31 which are uniformly distributed, the winding rollers 31 are rotatably arranged on the inner sides of first supporting seats 32 which are symmetrically arranged, a cutting mechanism for cutting films is arranged below the winding rollers 31, a metering mechanism for metering the length of the film is arranged on the outer side of one first supporting seat 32, and the metering mechanism is matched with the cutting mechanism to cut the film in a fixed length mode.
The slitting assembly 4 comprises a plurality of slitting knives 41, the slitting knives 41 are abutted against the upper surface of the film, slitting of the film can be achieved, the slitting knives 41 are uniformly distributed on the inner sides of two second supporting seats 42 which are symmetrically arranged, and adjusting mechanisms capable of adjusting the intervals of the slitting knives 41 at equal intervals are arranged at the tops of the slitting knives 41.
The cutting mechanism comprises a cutting box 33 fixedly arranged on the inner sides of the two first supporting seats 32, cutting knives 34 are slidably arranged on the tops of the cutting box 33, lifting cylinders 35 are fixedly arranged at two ends of the inner portion of the cutting box 33, and lifting shafts 36 are hinged between the output ends of the lifting cylinders 35 and the cutting knives 34.
The meter counting mechanism comprises a driving gear 37 rotatably arranged at one end of the wind-up roller 31, a transmission gear 38 is arranged at the bottom of the driving gear 37 in a meshed mode, a meter counter 39 for counting the length of the film is arranged below the transmission gear 38, and the bottom of the transmission gear 38 is arranged at the bottom of the transmission gear 38 in a meshed mode with the meter counting gear in the meter counter 39.
One of the first support seats 32 is fixedly provided with a winding motor 310 at the outer side thereof, and the output end of the winding motor 310 is fixedly connected with the winding roller 31.
Through the setting of rolling subassembly 3 for rolling motor 310 drives a plurality of wind-up rolls 31 and rotates, thereby carries out the rolling to a plurality of films after cutting, and the rolling in-process is through the cooperation of drive gear 37 and drive gear 38, drives the meter gear in the meter ware 39 and constantly rotates and realize meter operation, after the film reaches preset length, meter ware 39 control lift cylinder 35 cooperation lift axle 36 control cut-off knife 34 and reciprocates, thereby cuts off the operation to the film, has realized the film rolling in-process fixed length and has cut off, improves the practicality.
The adjusting mechanism comprises a double-end screw rod 43 and a slide rod 44 which are arranged on the inner sides of two second supporting seats 42, threaded seats 45 are sleeved at two ends of the outer sides of the double-end screw rod 43 and the slide rod 44, a plurality of adjusting plates 46 are uniformly arranged between the two threaded seats 45, a scissor assembly 47 is hinged between the adjacent adjusting plates 46, and the end parts of the scissor assemblies 47 on the two sides are hinged with the two threaded seats 45 respectively.
The outer surface both ends of double-end lead screw 43 are provided with the screw thread of opposite direction of rotation respectively, and two screw thread seat 45 respectively with the outside threaded connection of double-end lead screw 43, screw thread seat 45 and slide bar 44 sliding connection, regulating plate 46 and double-end lead screw 43 and slide bar 44 sliding connection.
The both ends of double-end lead screw 43 rotate with two second supporting seats 42 respectively and are connected, and the both ends of slide bar 44 respectively with two second supporting seats 42 fixed connection, a plurality of divides cutter 41 respectively with corresponding a plurality of regulating plates 46 fixed connection, one of them second supporting seat 42 outside fixed setting up accommodate motor 48, accommodate motor 48's output and double-end lead screw 43 fixed connection.
Through the setting of cutting subassembly 4 for a plurality of cutting knives 41 can realize the operation of cutting to the film, through adjustment mechanism's setting, make accommodate motor 48 control double-end lead screw 43 rotate, thereby cooperate slide bar 44 to drive two screw thread seat 45 and do relative motion on slide bar 44, the cooperation of a plurality of cutting fork assembly 47 of rethread realizes the interval regulation of a plurality of regulating plates 46, thereby drive a plurality of cutting knives 41 and realize the equidistance regulation, thereby satisfy the demand of cutting of different specification films, and can realize different widths of cutting, the practicality is stronger.
Working principle:
When the film cutting machine is used, the winding motor 310 drives the winding rollers 31 to rotate, so that a plurality of cut films are wound, in the winding process, the driving gear 37 is matched with the transmission gear 38 to drive the metering gear in the metering device 39 to continuously rotate so as to realize metering operation, and when the films reach the preset length, the metering device 39 controls the lifting cylinder 35 to be matched with the lifting shaft 36 to control the cutting knife 34 to move upwards, so that the films are cut; the slitting operation to the film can be realized to a plurality of slitting knives 41, through adjusting motor 48 control double-end lead screw 43 rotation to cooperation slide bar 44 drives two screw thread seat 45 and is relative motion on slide bar 44, and the cooperation of a plurality of scissors fork subassembly 47 realizes the interval adjustment of a plurality of regulating plates 46, thereby drives a plurality of slitting knives 41 and realizes equidistant regulation, thereby satisfies the slitting demand of different specification films, and can realize different slitting widths.
The foregoing describes one embodiment of the present utility model in detail, but the description is only a preferred embodiment of the present utility model and should not be construed as limiting the scope of the utility model. All equivalent changes and modifications within the scope of the present utility model are intended to be covered by the present utility model.