CN216995224U - Clamping and cutting mechanism applied to film paper winding machine - Google Patents

Abstract

The utility model discloses a clamping and cutting mechanism applied to a film paper winding machine, which belongs to the technical field of packaging machinery and comprises a rack, a movable plate, a film hooking component, a film cutting component and a blowing component; the moving plate is movably arranged on the rack through a sliding mechanism; the hook membrane component is arranged on one side of the moving plate; the film cutting assembly comprises an electric heating cutter and a cutter frame; the electric heating cutter is arranged on one side of the cutter frame and is positioned on one side of the hook membrane component; the cutter frame is positioned on one side of the hook membrane component far away from a product to be wrapped, and a plurality of openings are formed in the cutter frame; the blowing assembly is arranged on the cutter frame and extends out of the opening; the air outlet of the air blowing assembly faces the hook membrane assembly. The clamping and cutting mechanism can blow the film with the free tail end onto the coated product after the plastic film is cut, so that the tail end of the free plastic film is prevented from being generated, and the film breaking quality is improved.

Description

Clamping and cutting mechanism applied to film paper winding machine

Technical Field

The utility model belongs to the technical field of packaging machinery, and particularly relates to a clamping and cutting mechanism applied to a film paper winding machine.

Background

At present, with the development of times, the packaging machinery equipment industry is rapidly developed, a winding machine is an important component of the packaging equipment industry, and is more and more emphasized in production, at present, the winding machine is developed in the direction of saving time and reducing cost, and the trend of pursuing combined, simplified and movable packaging equipment in the packaging industry is met.

The utility model with the application number of CN201920883251.7 discloses a novel constant temperature film cutting and ironing mechanism of a winding machine, which comprises a fixed seat and a rocker arm film cutting mechanism rotatably mounted above one end of the fixed seat, wherein the rocker arm film cutting mechanism comprises a support plate, a film pressing component, a film ironing component and an air blowing component; the rocker arm film breaking mechanism is driven by a first power part to realize the rotation action of a swing arm, and the first power part is arranged on the fixed seat; the film pressing component is driven by the second power part to realize the film pressing function, and the film ironing component is driven by the third power part to realize the film ironing and cutting function.

However, the constant-temperature film cutting and ironing mechanism of the winding machine has the following defects:

(1) the air blowing assembly is arranged on one side of the fixed seat, and an air nozzle opening of the air blowing assembly is vertically and upwards arranged. Because the distance between the installation position of the air blowing assembly and the hot film assembly is far, and the opening of the air nozzle is vertically arranged upwards, the air blowing port cannot well straighten the plastic film, so that the plastic film can only be blown away, and the tail end of the plastic film can still be dissociated, thereby influencing the quality of the broken film.

(2) The second power part and the third power part are both arranged on the supporting plate of the rocker arm film breaking mechanism, so that the volume and the weight of the whole rocker arm film breaking mechanism are increased, the rocker arm film breaking mechanism generates strong impact force in the swinging process, and the joint of the swing arm and the base is easy to break; and the displacement distance between the pressed film and the hot film is not easy to control, and the problem that the film is not broken too much or too much is easily caused.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model aims to provide an entrapment mechanism applied to a film paper winding machine. This application specifically includes platelike cutter frame and installs the electric heat cutterbar in cutter frame one side through improving the structure of cutting the membrane subassembly, then will blow the subassembly and hide on the cutter frame, adjust the position of cutter frame, with its setting at the back of colluding the membrane subassembly to the gas outlet that makes the subassembly of blowing is facing to colluding the membrane subassembly, can blow the free film of terminal after realizing the plastic film cutting and attach to on the product of cladding, has avoided producing free plastic film terminal, improves disconnected membrane quality.

The purpose of the utility model is realized by adopting the following technical scheme: a clamping and cutting mechanism applied to a film paper winding machine comprises a rack, a movable plate, a film hooking component, a film cutting component and a blowing component; the moving plate is movably arranged on the rack through a sliding mechanism; the hook membrane component is arranged on one side of the movable plate; the film cutting assembly comprises an electric heating cutter and a cutter frame; the electric heating cutter is arranged on one side of the cutter frame and is positioned on one side of the hook membrane component; the cutting tool rest is positioned on one side of the membrane hooking component far away from a product to be wrapped, and a plurality of openings are formed in the cutting tool rest; the blowing assembly is arranged on the cutter frame and extends out of the opening; the air outlet of the air blowing assembly faces the hook membrane assembly.

Furthermore, the hook membrane assembly comprises a hook plate and a hook membrane rotating cylinder; collude the board and fix on colluding the revolving stage of membrane revolving cylinder, collude the cylinder body of membrane revolving cylinder and fix on the movable plate through first right angle support.

Further, the air blowing assembly consists of a plurality of flat head type air nozzles which are horizontally arranged side by side and/or vertically arranged side by side; the flat air nozzles are uniformly distributed on one surface of the air blowing assembly, which faces to a product to be wrapped.

Further, the film cutting assembly also comprises a film cutting rotating cylinder for driving the tool cutting frame to rotate; the lower part of one side of the cutting knife rest, which is far away from the electric heating cutter, is fixed on a rotating table of the film cutting rotating cylinder, and a cylinder body of the film cutting rotating cylinder is fixed on the moving plate through a second right-angle support.

Further, the clamping and cutting mechanism also comprises a buffer pad arranged on the moving plate.

Further, the clamping and cutting mechanism also comprises a film clamping assembly for clamping the end part of the film paper; the film clamping assembly is arranged on one side of the electric heating cutter and is far away from the film hooking assembly.

Further, the film clamping assembly comprises a spring, a spring mounting seat, a telescopic cylinder and a film clamping rotary cylinder; the spring is sleeved on the periphery of the telescopic cylinder, and the spring mounting seat comprises a fixed end and a movable end; the cylinder body of the telescopic cylinder is fixed on the fixed end of the spring mounting seat, the telescopic rod of the telescopic cylinder is fixed on the movable end of the spring mounting seat, and two ends of the spring are respectively fixed on the fixed end of the spring mounting seat and the movable end of the spring mounting seat; the fixed end of the spring mounting seat is fixed on the rotating table of the film clamping rotating cylinder; the telescopic rod of the telescopic cylinder is controlled to stretch so that the spring can do telescopic motion along the length direction of the telescopic rod.

Further, the film clamping rotating cylinder is fixed on the moving plate through a third right-angle support.

Further, the sliding mechanism comprises a slide rail, a slide block and a power device; the sliding rail is arranged on the surface of the rack; the sliding block is arranged at the bottom of the moving plate; and the power output end of the power device is fixed at the bottom of the movable plate and drives the movable plate to reciprocate along the length direction of the slide rail through the matching of the slide block and the slide rail.

Further, the power device is a movable air cylinder; the cylinder body of the movable cylinder is fixedly connected below the rack through a hinge shaft seat; and the telescopic rod of the movable cylinder is fixedly connected to the bottom of the movable plate through the matching of the connecting pin and the push lug.

Compared with the prior art, the utility model has the beneficial effects that:

(1) this application specifically includes platelike cutter frame and installs the electric heat cutterbar in cutter frame one side through improving the structure of cutting the membrane subassembly, then will blow the subassembly and hide on the cutter frame, adjust the position of cutter frame, with its setting at the back of colluding the membrane subassembly to the gas outlet that makes the subassembly of blowing is facing to colluding the membrane subassembly, can blow the free film of terminal after realizing the plastic film cutting and attach to on the product of cladding, has avoided producing free plastic film terminal, improves disconnected membrane quality.

(2) In addition, three rotary cylinders used for driving the film hooking component, the film cutting component and the film clamping component to operate are respectively and independently installed on the moving plate, the dead weight of each power part is dispersed, the danger of breakage caused by overlarge load of individual components is prevented, and the smoothness and the service life of independent operation of each component of the clamping and cutting mechanism are well protected.

(3) Through the cooperation of design flush joint formula air nozzle and nozzle position, increased the area of blowing, reduced the appearance of cutting the free end of membrane in-process film material, further improved the quality of cutting the membrane and breaking the membrane, prevent the free end adhesion of membrane material.

Drawings

FIG. 1 is a schematic structural diagram of an pinching and cutting mechanism applied to a film paper winding machine according to a preferred embodiment of the present invention;

FIG. 2 is a schematic view of another angle of the pinching and cutting mechanism for the film winding machine according to the preferred embodiment of the present invention;

FIG. 3 is a schematic structural diagram of a membrane hooking component according to a preferred embodiment of the utility model;

FIG. 4 is a schematic view of the film cutting assembly and the blowing assembly according to the preferred embodiment of the present invention;

FIG. 5 is a schematic structural view of a film clamping assembly according to a preferred embodiment of the present invention;

FIG. 6 is a schematic structural diagram of a sliding mechanism according to a preferred embodiment of the present invention;

FIG. 7 is a schematic diagram of the operation tracks of the film cutting assembly and the sliding mechanism according to the preferred embodiment of the present invention.

In the figure: 1. a frame; 2. moving the plate; 3. hooking the membrane component; 31. hooking a plate; 32. a film hooking rotating cylinder; 33. a first right-angle support; 4. cutting the membrane assembly; 41. an electric heating cutter; 42. a cutter frame; 421. an opening; 43. a film cutting rotary cylinder; 44. a second right-angle support; 5. a blowing assembly; 6. a film clamping assembly; 61. a spring; 62. a spring mount; 63. a telescopic cylinder; 64. a film clamping rotary cylinder; 65. a third right-angle support; 7. a sliding mechanism; 71. a slide rail; 72. a slider; 73. a moving cylinder; 74. a hinge shaft seat; 75. a connecting pin; 76. pushing the lug; 8. a cushion pad.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and the detailed description, and it should be noted that any combination of the embodiments or technical features described below can be used to form a new embodiment without conflict.

As shown in fig. 1-7, a clamping and cutting mechanism applied to a film paper winding machine comprises a frame 1, a moving plate 2, a hook film assembly 3, a film cutting assembly 4, a blowing assembly 5 and a film clamping assembly 6; the moving plate 2 is movably arranged on the rack 1 through a sliding mechanism 7; the membrane hooking component 3 is arranged on one side of the moving plate 2; the film cutting assembly 4 comprises an electric heating cutter 41 and a cutting knife rest 42; the electric heating cutter 41 is arranged on one side of the cutter frame 42 and is positioned on one side of the hook film component 3; the cutter frame 42 is positioned on one side of the hook membrane component 3 away from a product to be wrapped, and a plurality of openings 421 are arranged on the cutter frame 42; the air blowing assembly 5 is arranged on the cutter frame 42 and extends out of the opening 421; the air outlet of the air blowing component 5 faces the membrane hooking component 3.

The film cutting assembly comprises a plate-shaped cutting knife rest 42 and an electric heating cutter 41 arranged on one side of the cutting knife rest 42 through improving the structure of the film cutting assembly 4, then the air blowing assembly 5 is hidden on the cutting knife rest 42, the position of the cutting knife rest 42 is adjusted, and the cutting knife rest is arranged on the back of the film hooking assembly 3, so that the air outlet of the air blowing assembly 5 faces to the film hooking assembly 3, the film with free tail end can be blown to a coated product after the plastic film is cut, the tail end of the free plastic film is prevented from being generated, and the film breaking quality is improved.

As a further preferable scheme, as shown in fig. 3, the membrane hooking assembly 3 comprises a hooking plate 31 and a membrane hooking rotating cylinder 32; the hook plate 31 is fixed on a rotary table of the hook film rotary cylinder 32, and a cylinder body of the hook film rotary cylinder 32 is fixed on the movable plate 2 through a first right-angle support 33.

As a further preferable scheme, as shown in fig. 4, the air blowing assembly 5 is composed of a plurality of flat head type air nozzles which are horizontally arranged side by side and/or vertically arranged side by side; the flush air nozzles are evenly distributed on the side of the blowing assembly 5 facing the product to be wrapped. Through the cooperation of design flush joint formula air nozzle and nozzle position, increased the area of blowing, reduced the appearance of cutting the free end of membrane in-process film material, further improved the quality of cutting the membrane and breaking the membrane, prevent the free end adhesion of membrane material.

As a further preferable scheme, as shown in fig. 4, the film cutting assembly 4 further includes a film cutting rotary cylinder 43 for driving the cutting tool holder 42 to rotate; the lower part of the side of the cutting tool holder 42 far away from the electric heating cutter 41 is fixed on a rotating platform of a film cutting rotating cylinder 43, and the cylinder body of the film cutting rotating cylinder 43 is fixed on the moving plate 2 through a second right-angle support 44. The film cutting rotary cylinder 43 is driven to rotate so that the cutting blade holder 42 performs a back and forth oscillating motion in the direction a in fig. 7.

As a further preferred option, the pinching and cutting mechanism further comprises a cushion 8 provided on the moving plate 2, as shown in fig. 1-2. The process that cutter saddle 42 rotates to contact with blotter 8 is cutter saddle 42's return process, and the contact point of cutter saddle 42 and blotter 8 is located movable plate 2, and the cushioning effect can effectually be realized in the design of blotter 8, in addition, also rationally utilized the free space of frame 1 with movable plate 2, improve space utilization.

As a further preferable scheme, the film clamping assembly 6 is used for clamping the end of the film paper before wrapping the product and the end of the film paper after wrapping the product, and the film clamping assembly 6 is installed on one side of the electric heating cutter 41 and is far away from the hook film assembly 3.

Specifically, as shown in fig. 5, the film clamping assembly 6 of the present application includes a spring 61, a spring mounting seat 62, a telescopic cylinder 63, a film clamping rotary cylinder 64, and a third right-angle support 65; the spring 61 is sleeved on the periphery of the telescopic cylinder 63; the spring mounting seat 62 comprises a fixed end and a movable end; the cylinder body of the telescopic cylinder 63 is fixed on the fixed end of the spring mounting seat 62, the telescopic rod of the telescopic cylinder 63 is fixed on the movable end of the spring mounting seat 62, and two ends of the spring 61 are respectively fixed on the fixed end of the spring mounting seat 62 and the movable end of the spring mounting seat 62; the fixed end of the spring mounting seat 62 is fixed on the rotating platform of the film clamping rotating cylinder 64; the film clamping rotary cylinder 64 is fixed on the moving plate 2 through a third right-angle support 65. The telescopic rod of the telescopic cylinder 63 is controlled to stretch so that the spring 61 can do telescopic motion along the length direction of the telescopic rod.

As a further preferable scheme, as shown in fig. 6, the sliding mechanism 7 includes a slide rail 71, a slide block 72, and a power device; the sliding rail 71 is arranged on the surface of the frame 1; the sliding block 72 is arranged at the bottom of the moving plate 2; the power output end of the power device is fixed at the bottom of the moving plate 2, and drives the moving plate 2 to reciprocate along the length direction of the slide rail 71 through the matching of the slide block 72 and the slide rail 71, as shown in the direction b in fig. 7.

In the present application, the power device includes, but is not limited to, an air cylinder, a worm transmission, a screw transmission, or an existing transmission such as a motor or a reduction motor that can implement a power output mode to implement the function of translating the moving plate 2 in the horizontal direction. The specific transmission mode of this application is as follows: the power device is a movable cylinder 73; the cylinder body of the movable cylinder 73 is fixedly connected below the frame 1 through a hinge shaft seat 74; the telescopic rod of the moving cylinder 73 is fixedly connected to the bottom of the moving plate 2 through the matching of a connecting pin 75 and a push lug 76.

The working process of the clamping and cutting mechanism applied to the film paper winding machine is as follows:

(1) before feeding brand new films or papers, manually stretching the films or papers into the gap of the spring 61 of the film clamping component 6, controlling the telescopic cylinder to drive the spring 61 to compress, clamping the films or papers, and then manually interfering until the films or papers are used up; at the moment, the moving plate stays at one side of the rack far away from the product to be wrapped, the film clamping assembly 6, the film cutting assembly 4 and the film hooking assembly 3 are all in a horizontal state, the horizontal directions of the film clamping assembly 6 and the film hooking assembly 3 are parallel to the product to be wrapped, and the horizontal direction of the film cutting assembly 4 is perpendicular to the product to be wrapped;

(2) after the film or paper is clamped by the film clamping assembly 6, the film or paper is matched with the existing film winding mechanism, winding mechanism and other equipment to complete the outer wrapping operation of winding the film or paper on the outer surface of a product; after the wrapping operation is started, the spring 61 of the film clamping assembly 6 is unfolded to release the film or paper;

(3) when the film or paper is wound to the last but several circles (may be the 2 nd or 3 rd from last, etc.), the film hooking rotating cylinder 32 of the film hooking component 3 drives the hook plate 31 to be erected, so that the film or paper is wound on the hook plate 31 together while wrapping the product;

(4) when the film or paper is wound to the last 1 circle, the film clamping rotating cylinder 64 of the film clamping assembly 6 drives the spring 61 to be vertical, the spring 61 is in an unfolded state under the action of the telescopic cylinder 63, so that the film or paper is wound on the vertical spring 61 together when being wrapped by a product, then the telescopic rod of the telescopic cylinder 63 contracts, the spring 61 clamps the film or paper, the action simulates manual clamping action, the tightness is improved, and meanwhile the film or paper is ensured not to be easily broken;

(5) meanwhile, the sliding mechanism 7 extends forwards along the position directions of the film hooking component 3, the film cutting component 4 and the film clamping component 6, so that a film or paper is tightly attached to the film clamping component 6, and the hook plate 31 of the film hooking component 3 is tightly attached to a product;

(6) the sliding mechanism 7 retracts backwards, so that the film or paper and the product are kept away, meanwhile, the space required by film cutting is released, and the film or paper between the film hooking component 3 and the film clamping component 6 generates tension;

(7) at the moment, a film cutting rotating cylinder 43 of the film cutting assembly 4 acts to drive a cutting knife rest 42 to be vertical, and an electric heating cutter 41 on the cutting knife rest 42 cuts off the film or the paper; meanwhile, the nozzle of the air blowing assembly 5 generates air flow to blow the film or the paper on the product;

(8) at this time, the film or paper is firmly clamped by the spring 61 of the film clamping assembly 6, and is ready to enter the next operation, specifically, the operation is resumed from the step (2), and the operation is continuously circulated until the consumable material of the film or paper is used up.

The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention is not limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are within the protection scope of the present invention.

Claims (10)

1. A clamping and cutting mechanism applied to a film paper winding machine is characterized by comprising a rack, a movable plate, a film hooking component, a film cutting component and a blowing component; the moving plate is movably arranged on the rack through a sliding mechanism; the hook membrane component is arranged on one side of the movable plate; the film cutting assembly comprises an electric heating cutter and a cutter frame; the electric heating cutter is arranged on one side of the cutter frame and is positioned on one side of the hook membrane component; the cutting tool rest is positioned on one side of the membrane hooking component far away from a product to be wrapped, and a plurality of openings are formed in the cutting tool rest; the blowing assembly is arranged on the cutter frame and extends out of the opening; the air outlet of the air blowing assembly faces the hook membrane assembly.

2. The slitting mechanism applied to the film paper winding machine as claimed in claim 1, wherein the film hooking component comprises a hooking plate and a film hooking rotating cylinder; collude the board and fix on colluding the revolving stage of membrane revolving cylinder, collude the cylinder body of membrane revolving cylinder and fix on the movable plate through first right angle support.

3. The pinch-cutting mechanism applied to a film paper winding machine as claimed in claim 2, wherein the air blowing assembly is composed of a plurality of flat head type air nozzles horizontally arranged side by side and/or vertically arranged side by side; the flush air nozzles are uniformly distributed on one side of the air blowing assembly, which faces to a product to be wrapped.

4. The pinch-off mechanism for a film-paper winding machine as claimed in claim 1, wherein said film-cutting assembly further comprises a film-cutting rotary cylinder for driving said cutter frame to rotate; the lower part of one side of the cutting knife rest, which is far away from the electric heating cutter, is fixed on a rotating table of the film cutting rotating cylinder, and a cylinder body of the film cutting rotating cylinder is fixed on the moving plate through a second right-angle support.

5. The slitting mechanism for use in a film-paper winding machine as claimed in claim 1, further comprising a cushion pad disposed on the moving plate.

6. An entrapment mechanism for use on a film-paper wrapping machine as claimed in claim 1, wherein the entrapment mechanism further includes an entrapment assembly for entrapping the end of the film-paper; the film clamping assembly is arranged on one side of the electric heating cutter and is far away from the film hooking assembly.

7. The slitting mechanism applied to the film paper winding machine as claimed in claim 6, wherein the film clamping assembly comprises a spring, a spring mounting seat, a telescopic air cylinder and a film clamping rotary air cylinder; the spring is sleeved on the periphery of the telescopic cylinder, and the spring mounting seat comprises a fixed end and a movable end; the cylinder body of the telescopic cylinder is fixed on the fixed end of the spring mounting seat, the telescopic rod of the telescopic cylinder is fixed on the movable end of the spring mounting seat, and two ends of the spring are respectively fixed on the fixed end of the spring mounting seat and the movable end of the spring mounting seat; the fixed end of the spring mounting seat is fixed on the rotating table of the film clamping rotating cylinder; the telescopic rod of the telescopic cylinder is controlled to stretch so that the spring can do telescopic motion along the length direction of the telescopic rod.

8. The pinching and cutting mechanism for the film paper winding machine as claimed in claim 7, wherein the film pinching rotating cylinder is fixed on the moving plate through a third right-angle support.

9. The slitting mechanism applied to the film paper winding machine as claimed in any one of claims 1 to 8, wherein the sliding mechanism comprises a sliding rail, a sliding block, a power device; the sliding rail is arranged on the surface of the rack; the sliding block is arranged at the bottom of the moving plate; and the power output end of the power device is fixed at the bottom of the movable plate and drives the movable plate to reciprocate along the length direction of the slide rail through the matching of the slide block and the slide rail.

10. The slitting mechanism as applied to a film paper winding machine according to claim 9, wherein the power device is a moving cylinder; the cylinder body of the movable cylinder is fixedly connected below the rack through a hinge shaft seat; and the telescopic rod of the movable cylinder is fixedly connected to the bottom of the movable plate through the matching of the connecting pin and the push lug.

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