CN211619532U - Film cutting and breaking device of packaging machine - Google Patents
Film cutting and breaking device of packaging machine Download PDFInfo
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- CN211619532U CN211619532U CN201922173280.7U CN201922173280U CN211619532U CN 211619532 U CN211619532 U CN 211619532U CN 201922173280 U CN201922173280 U CN 201922173280U CN 211619532 U CN211619532 U CN 211619532U
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Abstract
The application discloses packagine machine cuts membrane disconnected membrane device compares with prior art, includes: the film cutting mechanism is arranged on the film drawing rack and used for cutting easy-tearing cutting marks on the packaging film; the constant-speed film feeding mechanism is arranged on the film drawing rack and used for clamping the packaging film and conveying the packaging film at a constant speed, and the constant-speed film feeding mechanism is positioned at the process downstream of the film cutting mechanism; the film cutting accelerating mechanism is arranged on the film drawing frame and used for clamping packaging films to accelerate conveying, and the film cutting accelerating mechanism is located at the process downstream of the film conveying mechanism at the constant speed. Compared with the prior art, the film cutting and breaking process can be continuously and rapidly completed under the condition that the production and conveying speed of the original packaging film is not influenced, and the production efficiency of the packaging film is improved.
Description
Technical Field
The application relates to the technical field of material packaging, more specifically say, especially relate to a packagine machine cuts membrane disconnected membrane device.
Background
Along with the increasing living standard of people, certain requirements are required for material appearance packaging, in order to publicize own products, the external packaging of the products can strive to make the external packaging of the products more beautiful and higher-grade, and the packaging film is often seen on the external packaging of a plurality of electronic products, foods, cosmetics, medical supplies and the like to play the roles of moisture prevention, scratch prevention, attractiveness and the like.
The packaging film is generally placed and used in a whole roll, and in the using process, the packaging film needs to be cut into small packaging films in one portion, so that the use of a rear process is facilitated. In the prior art, generally, the packaging film is conveyed to a designated cutting station and then stops being transported, after the packaging film is cut by an independent mechanism, the cut packaging film is conveyed to the next procedure, and the packaging film needs to be transported and stopped in the process, so that the cutting efficiency of the packaging film is greatly influenced.
Therefore, it is an urgent technical problem for those skilled in the art to provide a film cutting and breaking device for a packaging machine, which can continuously and rapidly complete the film cutting and breaking process without affecting the original speed of the production and transportation of the packaging film, thereby improving the production efficiency of the packaging film.
Disclosure of Invention
For solving above-mentioned technical problem, the application provides a packagine machine cuts membrane disconnected membrane device, and it is under the condition that does not influence the speed of the production transport of packaging film originally, accomplishes the process of cutting the membrane and cutting off the membrane consecutively and fast, has improved the production efficiency of packaging film.
The technical scheme provided by the application is as follows:
the application provides a packagine machine cuts membrane disconnected membrane device includes: the film cutting mechanism is arranged on the film drawing rack and used for cutting easy-tearing cutting marks on the packaging film; the constant-speed film feeding mechanism is arranged on the film drawing rack and used for clamping the packaging film and conveying the packaging film at a constant speed, and the constant-speed film feeding mechanism is positioned at the process downstream of the film cutting mechanism; the film cutting accelerating mechanism is arranged on the film drawing frame and used for clamping packaging films to accelerate conveying, and the film cutting accelerating mechanism is located at the process downstream of the film conveying mechanism at the constant speed.
Still further, still include: the accelerating film breaking controller is used for controlling the accelerating film breaking mechanism to accelerate conveying and pulling the packaging film; after the accelerated film breaking controller identifies that the easy-to-tear cutting marks on the packaging film are transmitted to the position between the uniform-speed film feeding mechanism and the accelerated film breaking mechanism, the accelerated film breaking mechanism is controlled to convey the packaging film pulled on the accelerated film breaking mechanism in an accelerated manner.
Further, in a preferred aspect of the present invention, the accelerated film breaking mechanism includes: an upper acceleration belt; a lower acceleration belt disposed below the upper acceleration belt; the acceleration driving device is arranged on the film drawing rack and used for driving the upper acceleration belt and the lower acceleration belt to synchronously rotate; the lower end face of the upper accelerating belt and the upper end face of the lower accelerating belt clamp the packaging film for synchronous conveying.
Further, in a preferred aspect of the present invention, the accelerated film breaking mechanism further includes: the film clamping and releasing eccentric mechanism is arranged on the film drawing rack and used for controlling the upper accelerating belt and the lower accelerating belt to clamp and send the films and controlling the upper accelerating belt and the lower accelerating belt to be loosened to stop clamping.
Further, in a preferred aspect of the present invention, the film pinching and releasing eccentric mechanism includes: the film pressing roller mounting arm is arranged on the inner side of the lower accelerating belt and used for jacking the belt on the upper end surface of the lower accelerating belt, and a roller in contact with the belt is arranged on the film pressing roller mounting arm; the film pressing roller mounting arm is arranged on the film drawing frame and used for driving the film pressing roller mounting arm to upwards press the turning transmission device of the lower accelerating belt.
Further, in a preferred mode of the present invention, the direction-changing transmission includes: a horizontal transmission rod; the film pressing device comprises a film drawing rack, a rotary direction changing part, a horizontal transmission rod, a film pressing roller mounting arm and a film pressing roller, wherein the film pressing roller mounting arm is arranged on the film drawing rack; the horizontal driving device is arranged on the film drawing rack and used for driving the horizontal transmission rod to horizontally move; the horizontal transmission rod is used for driving the side end of the rotary direction changing part to turn upwards or downwards.
Further, in a preferred aspect of the present invention, the constant speed film feeding mechanism includes: a belt with uniform speed is arranged; the lower constant-speed belt is arranged below the upper constant-speed belt; the constant-speed driving device is arranged on the film drawing rack and used for driving the upper constant-speed belt and the lower constant-speed belt to synchronously rotate; and the lower end surface of the upper uniform-speed belt and the upper end surface of the lower uniform-speed belt clamp the packaging film for synchronous conveying.
Further, in a preferred mode of the present invention, the film cutting mechanism includes: the film cutting bearing seat is arranged on the film drawing frame and is positioned below the packaging film path, and a lower film cutting knife is arranged on the film cutting bearing seat; the film cutting hob is arranged on the film drawing frame and positioned above the packaging film path; the film cutting driving device is arranged on the film drawing rack and drives the film cutting hob to rotate; and the film cutting hob is used for abutting the packaging film against the end faces of the upper film cutting knife and the lower film cutting knife on the film cutting bearing seat when rotating, so that easy-tearing cutting marks are cut.
Further, in a preferred aspect of the present invention, the film cutting hob includes: a roller driven by the film cutting driving device; and the film cutting blade is spirally arranged on the rolling shaft.
Further, in a preferred mode of the invention, the tangential speed of the blade of the film cutting hob passing through the film cutting supporting base is consistent with the conveying speed of the packaging film.
Further, in a preferred mode of the present invention, driven wheels are disposed at two ends of the upper acceleration belt, the lower acceleration belt, the upper uniform speed belt and the lower uniform speed belt; a pressing wheel used for pressing the belt is arranged between the driven wheels.
Compared with the prior art, the film cutting and breaking device of the packaging machine provided by the invention comprises the following components: the film cutting mechanism is arranged on the film drawing rack and used for cutting easy-tearing cutting marks on the packaging film; the constant-speed film feeding mechanism is arranged on the film drawing rack and used for clamping the packaging film and conveying the packaging film at a constant speed, and the constant-speed film feeding mechanism is positioned at the process downstream of the film cutting mechanism; the accelerating film breaking mechanism is arranged on the film drawing frame and used for clamping the packaging film to accelerate conveying, and the accelerating film breaking mechanism is positioned at the process downstream of the uniform-speed film conveying mechanism. The technical scheme that the application provides, it cuts out easily tearing the cut mark on the packaging film through film cutting mechanism earlier, cut the cooperation of membrane mechanism and acceleration film cutting mechanism through at the uniform velocity and divide into two with the packaging film along easily tearing the cut mark, thereby accomplish the dyestripping action, the packaging film that has easily tearing the cut mark gets into from the film mechanism that cuts at the uniform velocity and constructs the mechanism with higher speed, after easily tearing the cut mark from the position of film cutting mechanism and moving to film mechanism and cutting mechanism with higher speed between the membrane mechanism, the transport gets into the packaging film of cutting the mechanism with higher speed film cutting mechanism, thereby form the speed difference with the packaging film of film mechanism that sends at the uniform velocity, so that the packaging film separates along easily tearing the cut mark, so accomplish the process of whole packaging film cut film broken film. The technical scheme that this application relates to compares in prior art, can be under the condition that does not influence the production speed of carrying of original packaging film, and quick completion is cut the membrane and is disconnected the process of membrane in succession, has improved packaging film's production efficiency.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic perspective view of a film cutting and breaking device of a packaging machine according to an embodiment of the present invention;
FIG. 2 is a front view of FIG. 1;
fig. 3 is a schematic structural diagram of a film cutting and breaking device of a packaging machine according to an embodiment of the present invention.
Description of reference numerals:
a film cutting mechanism 1; a film cutting support base 101; a film cutting hob 102; a film feeding mechanism 2 at a constant speed; an upper uniform velocity belt 201; a lower constant-speed belt 202; a constant speed driving device 203; the film breaking mechanism 3 is accelerated; an upper acceleration belt 301; a lower acceleration belt 302; an acceleration driving device 303; a lamination roller mounting arm 304; a horizontal transmission rod 305; a turning portion 306; a horizontal driving device 307.
Detailed Description
In order to make those skilled in the art better understand the technical solutions in the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
It will be understood that when an element is referred to as being "fixed" or "disposed" on another element, it can be directly on the other element or be indirectly disposed on the other element; when an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.
It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "first," "second," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like, as used herein, refer to an orientation or positional relationship indicated in the drawings that is solely for the purpose of facilitating the description and simplifying the description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be considered as limiting the present application.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "plurality" or "a plurality" means two or more unless specifically limited otherwise.
It should be understood that the structures, ratios, sizes, and the like shown in the drawings are only used for matching the disclosure of the specification, so as to be understood and read by those skilled in the art, and are not used to limit the practical limit conditions of the present application, so that the modifications of the structures, the changes of the ratio relationships, or the adjustment of the sizes, do not have the technical essence, and the modifications, the changes of the ratio relationships, or the adjustment of the sizes, are all within the scope of the technical contents disclosed in the present application without affecting the efficacy and the achievable purpose of the present application.
As shown in fig. 1 to fig. 3, a film cutting and breaking device of a packaging machine according to an embodiment of the present application includes: the film cutting mechanism 1 is arranged on the film drawing frame and used for cutting easy-tearing cutting marks on the packaging film; the constant-speed film feeding mechanism 2 is arranged on the film drawing rack and used for clamping and conveying the packaging film at a constant speed, and the constant-speed film feeding mechanism 2 is positioned at the process downstream of the film cutting mechanism 1; the film cutting accelerating mechanism 3 is arranged on the film drawing frame and used for clamping packaging films to accelerate conveying, and the film cutting accelerating mechanism 3 is located at the process downstream of the film conveying mechanism 2 at a constant speed.
The embodiment of the invention provides a film cutting and breaking device of a packaging machine, which specifically comprises: the film cutting mechanism 1 is arranged on the film drawing frame and used for cutting easy-tearing cutting marks on the packaging film; the constant-speed film feeding mechanism 2 is arranged on the film drawing frame and used for clamping and conveying the packaging film at a constant speed, and the constant-speed film feeding mechanism 2 is positioned at the process downstream of the film cutting mechanism 1; the accelerating film breaking mechanism 3 is arranged on the film drawing frame and used for clamping the packaging film to accelerate the conveying, and the accelerating film breaking mechanism 3 is positioned at the process downstream of the uniform-speed film conveying mechanism 2; after the easy-to-tear cutting marks on the packaging film are conveyed to the position between the constant-speed film feeding mechanism 2 and the accelerating film breaking mechanism 3, the accelerating film breaking mechanism 3 accelerates conveying of the packaging film pulled on the easy-to-tear cutting marks. The film tearing mechanism is characterized in that a film cutting mechanism 1 is used for cutting a packaging film into easily torn cutting marks, and a film feeding mechanism 2 and an accelerating film breaking mechanism 3 are matched to divide the packaging film into two parts along the easily torn cutting marks, so that the film tearing action is completed. The packaging film with the easy-tearing cut mark enters the acceleration film breaking mechanism 3 from the uniform-speed film feeding mechanism 2, and after the easy-tearing cut mark moves to a position between the uniform-speed film feeding mechanism 2 and the acceleration film breaking mechanism 3 from the position of the film cutting mechanism 1, the acceleration film breaking mechanism 3 accelerates conveying to enter the packaging film of the acceleration film breaking mechanism 3, so that the packaging film is formed with a speed difference from the packaging film of the uniform-speed film feeding mechanism 2, so that the packaging film is separated along the easy-tearing cut mark, and the whole packaging film cutting and film breaking process is completed. The technical scheme that this application relates to compares in prior art, can be under the condition that does not influence the production speed of carrying of original packaging film, and the quick completion is cut the membrane and is disconnected the process of membrane in succession, has improved packaging film's production efficiency, has reduced the cost of enterprises.
Specifically, in an embodiment of the present invention, the film cutting and breaking device of the packaging machine further includes: the accelerating film breaking controller is used for controlling the accelerating film breaking mechanism to accelerate conveying and pulling the packaging film; after the accelerating film breaking controller identifies that the easy-to-tear cutting marks on the packaging film are transmitted to the position between the uniform-speed film feeding mechanism and the accelerating film breaking mechanism, the accelerating film breaking mechanism is controlled to accelerate the conveying of the packaging film pulled on the accelerating film breaking mechanism.
Specifically, in the embodiment of the present invention, the accelerated film breaking mechanism 3 includes: an upper acceleration belt 301; a lower acceleration belt 302 disposed below the upper acceleration belt 301; the acceleration driving device 303 is arranged on the film drawing frame and is used for driving the upper acceleration belt 301 and the lower acceleration belt 302 to synchronously rotate; the lower end face of the upper accelerating belt 301 and the upper end face of the lower accelerating belt 302 clamp the packaging film and convey synchronously.
Specifically, in the embodiment of the present invention, the accelerated film breaking mechanism 3 further includes: and the film clamping and releasing eccentric mechanism is arranged on the film drawing rack and is used for controlling the upper accelerating belt 301 and the lower accelerating belt 302 to clamp and send the films and controlling the upper accelerating belt 301 and the lower accelerating belt 302 to release and stop the clamping action.
Specifically, in the embodiment of the present invention, the film pinching and releasing eccentric mechanism includes: a film pressing roller mounting arm 304 arranged on the inner side of the lower accelerating belt 302 and used for jacking up a belt on the upper end face of the lower accelerating belt 302, wherein a roller in contact with the belt is arranged on the film pressing roller mounting arm 304; and the direction-changing transmission device is arranged on the film drawing frame and is used for driving the film pressing roller mounting arm 304 to upwards press the lower accelerating belt 302.
Specifically, in an embodiment of the present invention, the direction-changing transmission device includes: a horizontal transmission rod 305; the lower end of the rotating direction changing part 306 is hinged with a horizontal transmission rod 305, and the side end of the rotating direction changing part 306 is hinged with the lower end of a film pressing roller mounting arm 304; a horizontal driving device 307 arranged on the film drawing frame and used for driving the horizontal driving rod 305 to horizontally move; the horizontal transmission rod 305 is used for driving the side end of the turning direction changing part 306 to turn upwards or downwards.
It should be noted that the side end of the turning direction changing portion is turned upward, that is, the level of the side end is increased, and conversely, the side end is lowered. Thereby pushing the film pressing roller mounting arm to move upwards. The film pressing roller mounting arm is hinged with two horizontally arranged rotating direction changing parts, so that the film pressing roller mounting arm is horizontally lifted or lowered.
It should be noted that the horizontal driving device may be a telescopic cylinder or a hydraulic cylinder, or may be a cam-crank mechanism. That is, the horizontal driving device is a device capable of outputting linear reciprocating motion.
Specifically, in the embodiment of the present invention, the uniform film feeding mechanism 2 includes: an upper uniform velocity belt 201; a lower uniform speed belt 202 arranged below the upper uniform speed belt 201; the constant-speed driving device 203 is arranged on the film drawing rack and is used for driving the upper constant-speed belt 201 and the lower constant-speed belt 202 to synchronously rotate; the lower end surface of the upper uniform-speed belt 201 and the upper end surface of the lower uniform-speed belt 202 clamp the packaging film for synchronous conveying.
Specifically, in the embodiment of the present invention, the film cutting mechanism 1 includes: the film cutting support seat 101 is arranged on the film drawing frame and is positioned below the packaging film path, and a lower film cutting knife is arranged on the film cutting support seat 101; a film cutting hob 102 arranged on the film drawing frame and positioned above the packaging film path; the film cutting driving device is arranged on the film drawing frame and drives the film cutting hob 102 to rotate; the film cutting hob 102 is used for abutting the packaging film against the end faces of the upper and lower film cutting knives of the film cutting bearing seat 101 when rotating, and cutting easy-to-tear cutting marks.
Specifically, in the embodiment of the present invention, the film cutting hob 102 includes: a roller driven by the film cutting driving device; and the film cutting blade is spirally arranged on the rolling shaft.
Specifically, in the embodiment of the present invention, the tangential speed of the blade of the film cutting hob 102 passing through the film cutting support seat 101 is consistent with the conveying speed of the packaging film.
Specifically, in the embodiment of the present invention, driven wheels are disposed at two ends of the upper acceleration belt 301, the lower acceleration belt 302, the upper uniform speed belt 201, and the lower uniform speed belt 202; a pressing wheel used for pressing the belt is arranged between the driven wheels.
More specifically, the embodiment of the present invention provides a film cutting and breaking device for a packaging machine, including: the film feeding mechanism 2, the film breaking acceleration mechanism 3 and the film clamping, feeding and releasing eccentric mechanism are driven by three motors respectively, so that the three mechanisms are independent in motion system. The uniform speed film conveying mechanism 2 is similar to the accelerating film conveying mechanism in structure, the two mechanisms are used for conveying the packaging films in a clamping mode through upper and lower transmission belts on two sides of the mechanism, and a plurality of belt pressing rollers are installed between the two belts of each belt in an equidistant mode between the driven wheels, so that the upper belt and the lower belt can more stably clamp the packaging films for conveying. Both of them are connected by spline shaft to transmit power to another side of self mechanism. The difference is that the motor of the uniform speed film feeding mechanism 2 always rotates at a uniform speed in the process of conveying the packaging film, the motor of the accelerating film breaking mechanism 3 suddenly accelerates for a short time in the process of conveying the packaging film to break the easy-tearing cutting mark of the packaging film, and the tail end of the uniform speed film feeding mechanism 2 is provided with a small section of film loosening part, so that the space condition is provided for the step of breaking the packaging film.
When the easy-to-tear cutting mark of the packaging film enters the tail end film loosening part of the constant-speed film feeding mechanism 2 and does not enter the accelerating film breaking mechanism 3, the accelerating film breaking part receives a feedback signal of the last easy-to-tear cutting mark cutting procedure, and the motor of the accelerating film breaking mechanism 3 instantaneously accelerates to instantaneously snap the easy-to-tear cutting mark of the packaging film.
When the most front end of the next section of packaging film enters the tail end of the accelerated film breaking mechanism 3 and approaches the accelerated film breaking device, the motor of the film clamping and releasing eccentric mechanism receives a position signal fed back by a process of cutting a cutting mark easy to tear by a film cutting knife, the eccentric shaft is driven to rotate to enable the film clamping and releasing eccentric mechanism to lift upwards, so that the packaging film on the film pressing roller mounting arm 304 is clamped more tightly, preparation is made for next-step film breaking, after the packaging film is pulled and broken, the film clamping and releasing eccentric mechanism still clamps the packaging film to be conveyed continuously, and when the packaging film is conveyed to a next-step packaging position, the motor of the film clamping and releasing eccentric mechanism receives a signal given by the tail end packaging position sensor to drive the mechanism, the film clamping and releasing eccentric mechanism is lowered downwards to enable the packaging film on the film pressing roller mounting arm 304 to be released, and next-step packaging is smooth.
It should be noted that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "first", "second", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. referring to the embodiments of the present invention indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which is only for convenience of describing the present application and simplifying the description, but does not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation and operation, and thus should not be construed as limiting the present application.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. The utility model provides a packagine machine cuts membrane disconnected membrane device which characterized in that includes:
the film cutting mechanism is arranged on the film drawing rack and used for cutting easy-tearing cutting marks on the packaging film;
the constant-speed film feeding mechanism is arranged on the film drawing rack and used for clamping the packaging film and conveying the packaging film at a constant speed, and the constant-speed film feeding mechanism is positioned at the process downstream of the film cutting mechanism;
the film cutting accelerating mechanism is arranged on the film drawing frame and used for clamping packaging films to accelerate conveying, and the film cutting accelerating mechanism is located at the process downstream of the film conveying mechanism at the constant speed.
2. The film cutting and breaking device of a packaging machine as claimed in claim 1, wherein the accelerated film breaking mechanism comprises: an upper acceleration belt; a lower acceleration belt disposed below the upper acceleration belt; the acceleration driving device is arranged on the film drawing rack and used for driving the upper acceleration belt and the lower acceleration belt to synchronously rotate; the lower end face of the upper accelerating belt and the upper end face of the lower accelerating belt clamp the packaging film for synchronous conveying.
3. The film cutting and breaking device of a packaging machine as claimed in claim 2, wherein the accelerated film breaking mechanism further comprises: the film clamping and releasing eccentric mechanism is arranged on the film drawing rack and used for controlling the upper accelerating belt and the lower accelerating belt to clamp and send the films and controlling the upper accelerating belt and the lower accelerating belt to release and stop clamping.
4. The film cutting and breaking device of the packaging machine as claimed in claim 3, wherein the film clamping and releasing eccentric mechanism comprises: the film pressing roller mounting arm is arranged on the inner side of the lower accelerating belt and used for jacking the belt on the upper end surface of the lower accelerating belt; the film pressing roller mounting arm is provided with a roller which is in contact with the belt; the film pressing roller mounting arm is arranged on the film drawing frame and used for driving the film pressing roller mounting arm to upwards press the turning transmission device of the lower accelerating belt.
5. The film cutting and breaking device of a packaging machine as claimed in claim 4, wherein the direction-changing transmission device comprises: a horizontal transmission rod; the film pressing device comprises a film drawing rack, a rotary direction changing part, a horizontal transmission rod, a film pressing roller mounting arm and a film pressing roller, wherein the film pressing roller mounting arm is arranged on the film drawing rack; the horizontal driving device is arranged on the film drawing rack and used for driving the horizontal transmission rod to horizontally move; the horizontal transmission rod is used for driving the side end of the rotary direction changing part to turn upwards or downwards.
6. The film cutting and breaking device of the packaging machine according to any one of claims 2 to 5, wherein the constant speed film feeding mechanism comprises: a belt with uniform speed is arranged; the lower constant-speed belt is arranged below the upper constant-speed belt; the constant-speed driving device is arranged on the film drawing rack and used for driving the upper constant-speed belt and the lower constant-speed belt to synchronously rotate; and the lower end surface of the upper uniform-speed belt and the upper end surface of the lower uniform-speed belt clamp the packaging film for synchronous conveying.
7. The film cutting and breaking device of the packaging machine according to claim 6, wherein the film cutting mechanism comprises: the film cutting bearing seat is arranged on the film drawing frame and is positioned below the packaging film path, and a lower film cutting knife is arranged on the film cutting bearing seat; the film cutting hob is arranged on the film drawing frame and positioned above the packaging film path; the film cutting driving device is arranged on the film drawing rack and drives the film cutting hob to rotate; and the film cutting hob is used for abutting the packaging film against the end faces of the upper film cutting knife and the lower film cutting knife on the film cutting bearing seat when rotating, so that easy-tearing cutting marks are cut.
8. The film cutting and breaking device of the packaging machine according to claim 7, wherein the film cutting hob comprises: a roller driven by the film cutting driving device; and the film cutting blade is spirally arranged on the rolling shaft.
9. The film cutting and breaking device of the packaging machine as claimed in claim 8, wherein the tangential speed of the blade of the film cutting hob passing through the film cutting supporting base is consistent with the conveying speed of the packaging film.
10. The film cutting and breaking device of the packaging machine as claimed in claim 9, wherein driven wheels are arranged at two ends of the upper accelerating belt, the lower accelerating belt, the upper uniform speed belt and the lower uniform speed belt; a pressing wheel used for pressing the belt is arranged between the driven wheels.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922173280.7U CN211619532U (en) | 2019-12-06 | 2019-12-06 | Film cutting and breaking device of packaging machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922173280.7U CN211619532U (en) | 2019-12-06 | 2019-12-06 | Film cutting and breaking device of packaging machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211619532U true CN211619532U (en) | 2020-10-02 |
Family
ID=72628167
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922173280.7U Active CN211619532U (en) | 2019-12-06 | 2019-12-06 | Film cutting and breaking device of packaging machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211619532U (en) |
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2019
- 2019-12-06 CN CN201922173280.7U patent/CN211619532U/en active Active
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