Film cutting device for liquid material packaging equipment

Abstract

The present application provides a film cutting device for liquid material packaging equipment, comprising a side fixing plate, a left cross-cutting mechanism and a right cross-cutting mechanism, wherein the left cross-cutting mechanism and the right cross-cutting mechanism are both arranged on the side fixing plate, and the left cross-cutting mechanism and the right cross-cutting mechanism are arranged opposite to each other on the left and right. The liquid material packaging equipment provided in the embodiment of the present application can process a thinning portion on a hard film, so that the liquid material packaging equipment equipped with the film cutting device can produce easy-to-open liquid material packaging bags, so that users can conveniently use the liquid material without staining their hands or tools, and the opening of the easy-to-open liquid material packaging bags is controllable.

Description

Technical Field

[0001] The present application relates to the technical field of packaging machinery, and in particular to a film cutting device for liquid material packaging equipment. Background Art

[0002] In daily life and production activities, various liquid materials are often needed. In order to facilitate people's use, disposable liquid material packaging bags and other packaging containers have been invented and widely promoted.

[0003] In the related art, a common disposable liquid material packaging bag usually includes two packaging films, the edges of which are bonded or pressed together to form a sealed liquid storage cavity between the two packaging films, and the liquid storage cavity is used to fill the liquid material. When using this disposable liquid material packaging bag, it is necessary to tear it open by hand or use a tool to cut the packaging bag, so that an opening connected to the liquid storage cavity filled with liquid material is formed on the packaging bag, and the liquid material flows out of this opening by squeezing or pouring. The defect of this disposable liquid material packaging bag is that when tearing or cutting the packaging bag, the liquid material filled in the packaging bag is easily contaminated on the user's hands or the tool used to cut the packaging bag, causing contamination of the hands and tools. In addition, the size of the opening of the packaging bag is not easy to control. If the opening is too small, the liquid material will not flow out easily. If the opening is too large, the liquid material will flow out too much, causing inconvenience to the user.

[0004] In order to solve the above defects, relevant technicians in this field have conceived a disposable liquid material packaging bag that can form an opening by bending (hereinafter referred to as "easy-to-open liquid material packaging bag"), see Figure 1-Figure 4 As shown, the easy-to-open liquid material packaging bag is composed of a hard film 310 and a soft film 320. The edges of the hard film 310 and the soft film 320 are bonded or pressed and sealed, so that a liquid storage cavity 330 filled with liquid material is formed between the hard film 310 and the soft film 320. The hard film 310 has a thinning portion 340 that is thinner than other areas of the hard film 310. When in use, the user can bend the packaging bag to break the hard film 310 at the thinning portion 340 to form an opening, and the liquid material in the liquid storage cavity 330 can flow out or squeeze out from the opening. In this way, the liquid material will not be contaminated on the user's hands or the tools used to cut the packaging bag. In addition, the opening size of the packaging bag can also be adjusted by changing the size and shape of the thinning portion 340, thereby ensuring that the opening of the packaging bag is controllable.

[0005] However, the current packaging equipment is not equipped with a film cutting device that can process a thinned portion on a hard film, so it is impossible to produce the above-mentioned easy-open liquid material packaging bags. This makes it difficult to put the above-mentioned easy-open liquid material packaging bags on the market in batches, and the defects of the disposable liquid material packaging bags mentioned in the related art are still common. Utility Model Content

[0006] An embodiment of the present application provides a film cutting device for liquid material packaging equipment, which can process a thinning portion on a hard film.

[0007] The embodiment of the present application provides a film cutting device for liquid material packaging equipment, comprising a side fixing plate, a left cross-cutting mechanism and a right cross-cutting mechanism, wherein the left cross-cutting mechanism and the right cross-cutting mechanism are both arranged on the side fixing plate, and the left cross-cutting mechanism and the right cross-cutting mechanism are arranged opposite to each other on the left and right sides;

[0008] The left cross-cutting mechanism comprises a first mounting frame, a first cutter, a first cylinder and a first blade, wherein the first mounting frame is connected to the side fixing plate, the first cylinder and the first blade are both arranged on the first mounting frame, the movable end of the first cylinder is horizontally facing right, the first cutter is connected to the movable end of the first cylinder, and the first blade is located relatively below the first cutter;

[0009] The right cross-cutting mechanism comprises a second mounting frame, a second cutter, a second cylinder and a second blade, wherein the second mounting frame is connected to the side fixed plate, the second cylinder and the second blade are both arranged on the second mounting frame, the movable end of the second cylinder is horizontally facing left, the second cutter is connected to the movable end of the second cylinder, and the second blade is located relatively above the second cutter;

[0010] The first cutter is located relatively above the second cutter, the blade of the first cutter faces the second blade plate, and the blade of the second cutter faces the first blade plate.

[0011] The film cutting device of the liquid material packaging equipment provided in the embodiment of the present application can process a thinning portion on the hard film, so that the liquid material packaging equipment equipped with the film cutting device can produce easy-to-open liquid material packaging bags, so that users can conveniently use the liquid material without contaminating their hands or tools, and the opening of the easy-to-open liquid material packaging bags is controllable.

[0012] In one possible implementation manner, the film cutting device of the liquid material packaging equipment provided by the present application, the left cross-cutting mechanism further includes a first movable plate, a first tool holder plate and a first limit baffle; the first movable plate is connected to the movable end of the first cylinder, and the first tool holder plate is fixed to the first movable plate;

[0013] The first tool holder plate has a first mounting opening, which passes through the top surface and the right wall surface of the first tool holder plate. The first limit baffle is installed on the right wall surface of the first tool holder plate. The first limit baffle is provided with a first blade extension opening. The first cutter is arranged in the first mounting opening, and the blade of the first cutter extends to the right from the first blade extension opening.

[0014] In one possible embodiment, the film cutting device of the liquid material packaging equipment provided by the present application is characterized in that a first locking micrometer is fixedly mounted on the first tool holder plate, a first through hole communicating with the first mounting port is provided on the left side wall of the first tool holder plate, the spindle of the first locking micrometer extends into the first mounting port through the first through hole, and the first cutter is fixedly connected to the spindle of the first locking micrometer.

[0015] In one possible implementation manner, the film cutting device of the liquid material packaging equipment provided by the present application, the first mounting frame includes a fixed platform and a knife plate support, one end of the fixed platform is fixedly connected to the side fixed plate, and the first cylinder is arranged on the fixed platform;

[0016] The blade support is connected to the bottom end of the fixed platform, and the first blade is connected to the right end surface of the blade support.

[0017] In one possible implementation manner, the film cutting device of the liquid material packaging equipment provided by the present application, the right cross-cutting mechanism further includes a second movable plate, a second tool holder plate and a second limit baffle; the second movable plate is connected to the movable end of the second cylinder, and the second tool holder plate is fixed to the second movable plate;

[0018] The second tool holder plate has a second mounting opening, the second mounting opening passes through the top surface and the left wall surface of the second tool holder plate, the second limit baffle is installed on the left wall surface of the second tool holder plate, the second limit baffle is provided with a second blade extension opening, the second cutter is arranged in the second mounting opening, and the blade of the second cutter extends to the left from the second blade extension opening.

[0019] In one possible embodiment, the film cutting device of the liquid material packaging equipment provided by the present application is characterized in that a second locking micrometer is fixedly mounted on the second tool holder plate, a second through hole communicating with the second mounting port is provided on the right side wall of the second tool holder plate, the spindle of the second locking micrometer extends into the second mounting port through the second through hole, and the second cutter is fixedly connected to the spindle of the second locking micrometer.

[0020] In one possible embodiment, the film cutting device of the liquid material packaging equipment provided by the present application, the second mounting frame includes a lower support plate, an upper support plate, a sliding column and a sliding table; one end of the lower support plate and one end of the upper support plate are both fixedly connected to the side fixing plate, and the upper support plate is located relatively above the lower support plate, and the second blade is connected to the left end surface of the upper support plate;

[0021] The number of the sliding columns is four, the upper and lower ends of the four sliding columns are respectively connected to the upper support plate and the lower support plate, and the four sliding columns are distributed in a rectangular array;

[0022] The second cylinder is arranged on the slide, and the slide is provided with four sockets, and sliding bearings are installed in the four sockets. The sliding bearings in the four sockets are respectively and one by one sleeved on the four sliding columns, and the slide can slide up and down along the sliding columns.

[0023] In one possible implementation manner, the film cutting device of the liquid material packaging equipment provided by the present application is provided, and a lifting mechanism is provided on the lower support plate, and the lifting mechanism includes a screw lift, a transmission shaft and a motor;

[0024] The box body of the screw lift is installed on the bottom end of the lower support plate, and a third through hole is provided on the lower support plate. The screw of the screw lift passes upward through the third through hole and is connected to the bottom of the slide, one end of the transmission shaft is connected to the motor, and the other end of the transmission shaft is connected to the power input shaft of the screw lift.

[0025] In one possible implementation manner, the film cutting device of the liquid material packaging equipment provided by the present application is provided, wherein the swing frame includes two swing rods and two connecting beams, the two swing rods are symmetrically arranged, the two connecting beams are connected between the two swing rods, and the piston rod of the regulating cylinder is connected to one of the swing rods;

[0026] The middle parts of the two swing rods are each provided with an axial hole, the central shaft is passed through the axial holes of the two swing rods, and one end of the central shaft is rotatably connected to the side fixing plate;

[0027] There are two buffer rollers, wherein two ends of one buffer roller are rotatably connected to the top ends of the two swing rods, and two ends of the other buffer roller are rotatably connected to the bottom ends of the two swing rods. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, a brief introduction will be given below to the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative labor.

[0029] Figure 1 It is a schematic diagram of the structure of an easy-open liquid material packaging bag;

[0030] Figure 2 1. It is a top view schematic diagram of an easy-open liquid material packaging bag;

[0031] Figure 3 yes Figure 1 The enlarged schematic diagram of point A in the middle;

[0032] Figure 4 This is a diagram of the use status of an easy-to-open liquid material packaging bag;

[0033] Figure 5 It is a schematic diagram of liquid material packaging equipment;

[0034] Figure 6 is a schematic structural diagram of a film cutting device provided in an embodiment of the present application;

[0035] Figure 7 is an exploded schematic diagram of a film cutting device provided in an embodiment of the present application;

[0036] Figure 8 It is a schematic diagram of the positional relationship between the left cross-cutting mechanism and the right cross-cutting mechanism in the film cutting device provided in an embodiment of the present application;

[0037] Fig. 9 This is an explosion diagram of the left cross-cutting mechanism in the film cutting device provided in the embodiment of the present application. Figure 1 ;

[0038] Fig.10 This is a schematic diagram of the explosion of the left cross-cutting mechanism in the film cutting device provided in the embodiment of the present application. Figure 2 ;

[0039] Fig.11 is a schematic structural diagram of a first knife holder plate in a film cutting device provided in an embodiment of the present application;

[0040] Fig.12 This is a schematic diagram of the explosion of the right cross-cutting mechanism in the film cutting device provided in the embodiment of the present application. Figure 1 ;

[0041] Fig.13 This is a schematic diagram of the explosion of the right cross-cutting mechanism in the film cutting device provided in the embodiment of the present application. Figure 2 ;

[0042] Fig.14 It is a structural schematic diagram of the tension control mechanism in the film cutting device provided in an embodiment of the present application.

[0043] Description of reference numerals:

[0044] 100-film cutting device; 10-side fixing plate;

[0045] 20-left cross-cutting mechanism; 21-first mounting frame;

[0046] 211-fixed platform; 212-knife plate support;

[0047] 22-first cutter; 23-first cylinder;

[0048] 24-first knife plate; 25-first movable plate;

[0049] 26-first tool holder plate; 261-first mounting opening;

[0050] 27-first limit baffle; 271-first blade extension opening;

[0051] 28-first locking micrometer head; 30-right cross-cutting mechanism;

[0052] 31-second mounting frame; 311-lower supporting plate;

[0053] 312-upper support plate; 313-sliding column;

[0054] 314-slide table; 314a-jack;

[0055] 32-second cutter; 33-second cylinder;

[0056] 34-second knife plate; 35-second movable plate;

[0057] 36-second tool holder plate; 361-second mounting port;

[0058] 37-second limit baffle; 371-second blade extension opening;

[0059] 38-second locking micrometer head; 40-lifting mechanism;

[0060] 41-screw lift; 42-transmission shaft;

[0061] 43-motor; 50-tension control mechanism;

[0062] 51- swing frame; 511- swing rod;

[0063] 512-connecting beam; 52-buffer roller;

[0064] 53-central axis; 54-adjusting cylinder;

[0065] 60-Rotating roller; 200-Liquid material packaging equipment;

[0066] 300-easy-open liquid material packaging bag; 310-hard film;

[0067] 311-knife marks; 320-soft film;

[0068] 330 - liquid storage chamber; 340 - thinning portion. DETAILED DESCRIPTION

[0069] In order to make the purpose, technical solutions and advantages of the present application clearer, the technical solutions in the embodiments of the present application will be described in more detail below in conjunction with the drawings in the preferred embodiments of the present application. In the drawings, the same or similar reference numerals throughout represent the same or similar parts or parts with the same or similar functions. The described embodiments are part of the embodiments of the present application, not all of the embodiments. The embodiments described below with reference to the drawings are exemplary and are intended to be used to explain the present application, and should not be construed as limitations on the present application. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present application.

[0070] Figure 5 It is a schematic diagram of liquid material packaging equipment; Figure 6 is a schematic structural diagram of a film cutting device provided in an embodiment of the present application; Figure 7 is an exploded schematic diagram of a film cutting device provided in an embodiment of the present application; Figure 8 It is a schematic diagram of the positional relationship between the left cross-cutting mechanism and the right cross-cutting mechanism in the film cutting device provided in an embodiment of the present application.

[0071] See also Figure 5-Figure 8 As shown, the embodiment of the present application provides a film cutting device 100 of a liquid material packaging device, which is used to be installed on a liquid material packaging device 200. The film cutting device can cut the hard film passing through, thereby forming a thinning portion on the hard film. The film cutting device 100 of the liquid material packaging device includes a side fixing plate 10, a left cross-cutting mechanism 20 and a right cross-cutting mechanism 30. The left cross-cutting mechanism 20 and the right cross-cutting mechanism 30 are both arranged on the side fixing plate 10, and the left cross-cutting mechanism 20 and the right cross-cutting mechanism 30 are arranged opposite to each other on the left and right sides, wherein:

[0072] See also Figure 7 and Figure 8 As shown, the left cross-cutting mechanism 20 includes a first mounting frame 21, a first cutter 22, a first cylinder 23 and a first blade 24. The first mounting frame 21 is used to fix the entire left cross-cutting mechanism 20, one end of the first mounting frame 21 is connected to the side fixing plate 10, and the other end of the first mounting frame 21 is used to connect to the liquid material packaging device 200.

[0073] The first cylinder 23 and the first blade 24 are both arranged on the first mounting frame 21. The movable end of the first cylinder 23 is horizontally to the right. The first cutter 22 is connected to the movable end of the first cylinder 23. The first cylinder 23 can drive the second cutter to move horizontally to the right. The first blade 24 is located relatively below the first cutter 22.

[0074] See also Figure 8As shown, the right cross-cutting mechanism 30 includes a second mounting frame 31, a second cutter 32, a second cylinder 33 and a second blade 34. The second mounting frame 31 is used to fix the entire right cross-cutting mechanism 30, one end of the second mounting frame 31 is connected to the side fixing plate 10, and the other end of the second mounting frame 31 is used to connect to the liquid material packaging device 200.

[0075] The second cylinder 33 and the second blade 34 are both arranged on the second mounting frame 31, the movable end of the second cylinder 33 is horizontally facing left, the second cutter 32 is connected to the movable end of the second cylinder 33, the second cylinder 33 can drive the second cutter 32 to move horizontally to the left, and the second blade 34 is located relatively above the second cutter 32. The first cutter 22 is located relatively above the second cutter 32, the blade of the first cutter 22 faces the second blade 34, and the blade of the second cutter 32 faces the first blade 24.

[0076] When in use, the hard film released from the liquid material packaging device 200 passes between the left cross-cutting mechanism 20 and the right cross-cutting mechanism 30. When the hard film passes between the first cutter 22 and the second blade 34, the first cylinder 23 is activated, driving the first cutter 22 to cut rightward toward the second blade 34 until it cuts into the hard film (without cutting the hard film), thereby cutting a knife mark 311 on the right side surface of the hard film. Similarly, when the hard film passes between the second cutter 32 and the first blade 24, the second cylinder 33 is activated, driving the second cutter 32 to cut leftward toward the first blade 24 until it cuts into the hard film (without cutting the hard film), thereby cutting a knife mark 311 on the left side surface of the hard film, and the knife marks 311 on both sides of the hard film are exactly opposite, thereby forming a thinning portion on the hard film that is thinner than other areas of the hard film.

[0077] The film cutting device 100 of the liquid material packaging equipment provided in the embodiment of the present application can process a thinning portion on the hard film, so that the liquid material packaging equipment 200 equipped with the film cutting device can produce easy-to-open liquid material packaging bags, so that users can conveniently use the liquid material without contaminating their hands or tools, and the opening of the easy-to-open liquid material packaging bags is controllable.

[0078] Fig. 9 This is a schematic diagram of the explosion of the left cross-cutting mechanism in the film cutting device provided in the embodiment of the present application. Figure 1 ; Fig.10 This is a schematic diagram of the explosion of the left cross-cutting mechanism in the film cutting device provided in the embodiment of the present application. Figure 2 ; Fig.11 It is a schematic diagram of the structure of the first knife holder plate in the film cutting device provided in an embodiment of the present application.

[0079] See also Figure 9-11As shown, in the embodiment of the present application, the left cross-cutting mechanism 20 further includes a first movable plate 25, a first tool holder plate 26 and a first limit baffle plate 27. The first movable plate 25 is connected to the movable end of the first cylinder 23, and the first tool holder plate 26 is fixed to the first movable plate 25. The first tool holder plate 26 has a first mounting opening 261, and the first mounting opening 261 passes through the top surface and the right wall surface of the first tool holder plate 26. The first limit baffle plate 27 is installed on the right wall surface of the first tool holder plate. The first limit baffle plate 27 is provided with a first blade extension opening 271. The first cutter 22 is installed in the first mounting opening 261, and the blade of the first cutter 22 extends to the right from the first blade extension opening 271.

[0080] The depth of the first cutter 22 cutting into the dura mater can be controlled by adjusting the length of the blade of the first cutter 22 extending from the first blade extension opening 271. In addition, when the first cutter 22 needs to be replaced, the first limit baffle 27 is removed, and then the first cutter 22 is removed from the first installation opening 261 for replacement, which is more convenient.

[0081] See also Fig.10 As shown, in the embodiment of the present application, a first locking micrometer 28 is fixedly mounted on the first tool holder plate 26, a first through hole communicating with the first mounting port 261 is provided on the left side wall of the first tool holder plate 26, the spindle of the first locking micrometer 28 extends into the first mounting port 261 through the first through hole, and the first cutter 22 is fixedly connected to the spindle of the first locking micrometer 28.

[0082] By adjusting the first locking micrometer head 28 , the relative position between the first cutter 22 and the first limit baffle 27 can be accurately adjusted, thereby accurately adjusting the length of the blade of the first cutter 22 extending from the first blade extension opening 271 .

[0083] See also Fig. 9 As shown, specifically, the first mounting frame 21 includes a fixed platform 211 and a blade support 212, one end of the fixed platform 211 is fixedly connected to the side fixed plate 10, and the other end of the fixed platform 211 is used to connect to the liquid material packaging equipment 200, the first cylinder 23 is installed on the left side wall of the fixed platform 211, and the left side wall of the fixed platform 211 has a fourth through hole, and the movable end of the first cylinder 23 is inserted into the fourth through hole and fixedly connected to the first movable plate 25. The blade support 212 is connected to the bottom end of the fixed platform 211, and the first blade 24 is connected to the right end surface of the blade support 212.

[0084] Fig.12 This is a schematic diagram of the explosion of the right cross-cutting mechanism in the film cutting device provided in the embodiment of the present application. Figure 1 ; Fig.13 This is a schematic diagram of the explosion of the right cross-cutting mechanism in the film cutting device provided in the embodiment of the present application. Figure 2 .

[0085] See also Fig.12 and Fig.13 As shown, in the embodiment of the present application, the right cross-cutting mechanism 30 also includes a second movable plate 35, a second tool holder plate 36 and a second limit baffle plate 37. The second movable plate 35 is connected to the movable end of the second cylinder 33, and the second tool holder plate 36 is fixed to the second movable plate 35. The second tool holder plate 36 has a second mounting opening 361, and the second mounting opening 361 passes through the top surface and the left wall surface of the second tool holder plate 36. The second limit baffle plate 37 is installed on the left wall surface of the second tool holder plate. The second limit baffle plate 37 is provided with a second blade extension opening 371, and the second cutter 32 is arranged in the second mounting opening 361, and the blade of the second cutter 32 extends to the left from the second blade extension opening 371.

[0086] The depth of the second cutter 32 cutting into the dura mater can be controlled by adjusting the length of the blade of the second cutter 32 extending from the second blade extension opening 371. In addition, when the second cutter 32 needs to be replaced, the first limit baffle 27 is removed, and then the second cutter 32 is removed from the second installation opening 361 for replacement, which is more convenient.

[0087] See also Fig.13 As shown, similarly, a second locking micrometer 38 is fixedly mounted on the second tool holder plate 36, and a second through hole connected to the second mounting port 361 is provided on the right side wall of the second tool holder plate 36. The spindle of the second locking micrometer 38 extends into the second mounting port 361 through the second through hole, and the second cutter 32 is fixedly connected to the spindle of the second locking micrometer 38.

[0088] By adjusting the second locking micrometer head 38 , the relative position between the second cutter 32 and the second limit baffle 37 can be accurately adjusted, thereby accurately adjusting the length of the blade of the second cutter 32 extending from the second blade extension opening 371 .

[0089] See also Fig.12 As shown, in the embodiment of the present application, the second mounting frame 31 includes a lower support plate 311, an upper support plate 312, a slide column 313 and a slide table 314. One end of the lower support plate 311 and one end of the upper support plate 312 are both fixedly connected to the side fixing plate 10, and the other end of the lower support plate 311 and the other end of the upper support plate 312 are both used to be connected to the liquid material packaging equipment 200. The upper support plate 312 is located relatively above the lower support plate 311, and the second blade 34 is installed on the left end surface of the upper support plate 312.

[0090] There are four slide posts 313, and the upper and lower ends of the four slide posts 313 are connected to the upper support plate 312 and the lower support plate 311 respectively, and the four slide posts 313 are distributed in a rectangular array. The second cylinder 33 is installed on the right side wall of the slide 314, and the right side wall of the slide 314 has a fifth through hole, and the movable end of the second cylinder 33 is inserted into the fifth through hole and fixedly connected to the second movable plate 35. The slide 314 is provided with four plug holes 314a, and sliding bearings are installed in the four plug holes 314a. The sliding bearings in the four plug holes 314a are respectively sleeved on the four slide posts 313 in a one-to-one correspondence, and the slide 314 can slide up and down along the slide posts 313.

[0091] By sliding the slide 314, the vertical position of the second cutter 32 can be adjusted, thereby adjusting the relative position between the second cutter 32 and the first cutter 22, so that the first cutter 22 and the second cutter 32 can be at the same horizontal position of the hard film, thereby ensuring the formation of the thinning portion.

[0092] See also Fig.12 As shown, in order to more conveniently adjust the vertical position of the second cutter 32, a lifting mechanism 40 is provided on the lower support plate 311, and the lifting mechanism 40 includes a screw lift 41, a transmission shaft 42 and a motor 43. The housing of the screw lift 41 is installed at the bottom end of the lower support plate 311, and a third through hole is provided on the lower support plate 311. The screw of the screw lift 41 passes through the third through hole upward and is connected to the bottom of the slide 314. One end of the transmission shaft 42 is connected to the motor 43, and the other end of the transmission shaft 42 is connected to the power input shaft of the screw lift 41.

[0093] When the motor 43 is running, the power input shaft of the screw lift 41 is driven to rotate through the transmission shaft 42, thereby adjusting the extension and retraction of the screw of the screw lift 41, thereby conveniently achieving precise adjustment of the vertical position of the second cutter 32.

[0094] Fig.14 is a schematic diagram of the structure of the tension control mechanism in the film cutting device provided in the embodiment of the present application, see Figure 4As shown, in the embodiment of the present application, the film cutting device 100 of the liquid material packaging equipment further includes a tension control mechanism 50, which includes a swing frame 51, a buffer roller 52, a central shaft 53 and an adjusting cylinder 54. The swing frame 51 includes two swing rods 511 and two connecting beams 512, the two swing rods 511 are symmetrically arranged, the two connecting beams 512 are connected between the two swing rods 511 to fix the two swing rods 511, the piston rod of the adjusting cylinder 54 is connected to one of the swing rods 511, and the cylinder body of the adjusting cylinder 54 is used to be connected to the liquid material packaging equipment 200. The middle parts of the two swing rods 511 are provided with shaft holes, the central shaft 53 is penetrated in the shaft holes of the two swing rods 511, one end of the central shaft 53 is rotatably connected to the side fixing plate 10, and the other end of the central shaft 53 is used to be connected to the liquid material packaging equipment 200.

[0095] There are two buffer rollers 52, wherein both ends of one buffer roller 52 are rotatably connected to the top ends of the two rocker bars 511, and both ends of the other buffer roller 52 are rotatably connected to the bottom ends of the two rocker bars 511. The hard films at the film inlet side and the film outlet side of the film cutting device in the embodiment of the present application are respectively overlapped on the two buffer shafts, and the swing frame 51 is driven to swing along the central axis 53 by adjusting the cylinder 54 to control the extension and retraction of the piston rod, so as to adjust the tension of the hard film, thereby balancing the tension of the packaging hard film, thereby ensuring that the hard film is neither piled up nor broken during movement.

[0096] See also Figure 7 As shown, in the embodiment of the present application, a plurality of turning rollers are also provided on the side fixed plate 10, one end of the turning roller is rotatably connected to the side fixed plate 10 through a bearing, and the other end of the turning roller is used to be connected to the liquid material packaging equipment 200, and the hard film can change the direction of movement by contacting with the turning roller.

[0097] In the description of the embodiments of the present application, it should be understood that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense. For example, it can be a fixed connection, or it can be indirectly connected through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to the specific circumstances. The orientation or position relationship indicated by the terms "upper", "lower", "front", "back", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc. is based on the orientation or position relationship shown in the accompanying drawings, which is only for the convenience of describing the present application and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present application. In the description of the present application, the meaning of "multiple" is two or more, unless otherwise precisely and specifically specified.

[0098] The terms "first", "second", "third", "fourth", etc. in the specification and claims of the present application and the above-mentioned drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence. It should be understood that the data used in this way can be interchangeable where appropriate, so that the embodiments of the present application described herein can be implemented in an order other than those illustrated or described herein, for example. In addition, the terms "including" and "having" and any of their variations are intended to cover non-exclusive inclusions, for example, a process, method, system, product or device comprising a series of steps or units is not necessarily limited to those steps or units clearly listed, but may include other steps or units that are not clearly listed or inherent to these processes, methods, products or devices.

[0099] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present application, rather than to limit it. Although the present application has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or replace some or all of the technical features therein with equivalents. However, these modifications or replacements do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of the present application.

Claims

1. A film cutting device for liquid material packaging equipment, characterized in that: It includes a side fixing plate, a left cross-cutting mechanism and a right cross-cutting mechanism, wherein the left cross-cutting mechanism and the right cross-cutting mechanism are both arranged on the side fixing plate, and the left cross-cutting mechanism and the right cross-cutting mechanism are arranged opposite to each other on the left and right sides; The left cross-cutting mechanism comprises a first mounting frame, a first cutter, a first cylinder and a first blade, wherein the first mounting frame is connected to the side fixing plate, the first cylinder and the first blade are both arranged on the first mounting frame, the movable end of the first cylinder is horizontally facing right, the first cutter is connected to the movable end of the first cylinder, and the first blade is located relatively below the first cutter; The right cross-cutting mechanism comprises a second mounting frame, a second cutter, a second cylinder and a second blade, wherein the second mounting frame is connected to the side fixed plate, the second cylinder and the second blade are both arranged on the second mounting frame, the movable end of the second cylinder is horizontally facing left, the second cutter is connected to the movable end of the second cylinder, and the second blade is located relatively above the second cutter; The first cutter is located relatively above the second cutter, the blade of the first cutter faces the second blade plate, and the blade of the second cutter faces the first blade plate; The left crosscutting mechanism further includes a first movable plate, a first tool holder plate and a first limit baffle; the first movable plate is connected to the movable end of the first cylinder, and the first tool holder plate is fixed to the first movable plate; The first knife holder plate has a first mounting opening, the first mounting opening passes through the top surface and the right wall surface of the first knife holder plate, the first limit baffle is installed on the right wall surface of the first knife holder plate, the first limit baffle is provided with a first blade extension opening, the first cutter is arranged in the first mounting opening, and the blade of the first cutter extends to the right from the first blade extension opening; A first locking micrometer is fixedly mounted on the first tool holder plate, a first through hole communicating with the first mounting opening is provided on the left side wall of the first tool holder plate, a spindle of the first locking micrometer extends into the first mounting opening through the first through hole, and the first cutter is fixedly connected to the spindle of the first locking micrometer; The right crosscutting mechanism further includes a second movable plate, a second tool holder plate and a second limit baffle; the second movable plate is connected to the movable end of the second cylinder, and the second tool holder plate is fixed to the second movable plate; The second knife holder plate has a second mounting opening, the second mounting opening passes through the top surface and the left wall surface of the second knife holder plate, the second limit baffle is installed on the left wall surface of the second knife holder plate, the second limit baffle is provided with a second blade extension opening, the second cutter is arranged in the second mounting opening, and the blade of the second cutter extends to the left from the second blade extension opening; A second locking micrometer is fixedly mounted on the second tool holder plate, a second through hole communicating with the second mounting opening is provided on the right side wall of the second tool holder plate, a spindle of the second locking micrometer extends into the second mounting opening through the second through hole, and the second cutter is fixedly connected to the spindle of the second locking micrometer; The second mounting frame comprises a lower support plate, an upper support plate, a sliding column and a sliding platform; one end of the lower support plate and one end of the upper support plate are both fixedly connected to the side fixing plate, and the upper support plate is located relatively above the lower support plate, and the second blade plate is connected to the left end surface of the upper support plate; The number of the sliding columns is four, the upper and lower ends of the four sliding columns are respectively connected to the upper support plate and the lower support plate, and the four sliding columns are distributed in a rectangular array; The second cylinder is arranged on the slide, and the slide is provided with four sockets, and sliding bearings are installed in the four sockets. The sliding bearings in the four sockets are respectively and one by one sleeved on the four sliding columns, and the slide can slide up and down along the sliding columns.

2. The film cutting device of the liquid material packaging equipment according to claim 1 is characterized in that: The first mounting frame includes a fixed platform and a blade support, one end of the fixed platform is fixedly connected to the side fixed plate, and the first cylinder is arranged on the fixed platform; The blade support is connected to the bottom end of the fixed platform, and the first blade is connected to the right end surface of the blade support.

3. The film cutting device of the liquid material packaging equipment according to claim 2 is characterized in that: The lower support plate is provided with a lifting mechanism, which includes a screw lift, a transmission shaft and a motor; The box body of the screw lift is installed on the bottom end of the lower support plate, and a third through hole is provided on the lower support plate. The screw of the screw lift passes upward through the third through hole and is connected to the bottom of the slide, one end of the transmission shaft is connected to the motor, and the other end of the transmission shaft is connected to the power input shaft of the screw lift.

4. The film cutting device of the liquid material packaging equipment according to any one of claims 1 to 3, characterized in that: The film cutting device of the liquid material packaging equipment further comprises a tension control mechanism, wherein the tension control mechanism comprises a swing frame, a buffer roller, a central shaft and an adjusting cylinder; The swing frame includes two swing rods and two connecting beams, the two swing rods are symmetrically arranged, the two connecting beams are connected between the two swing rods, and the piston rod of the regulating cylinder is connected to one of the swing rods; The middle parts of the two swing rods are each provided with an axial hole, the central shaft is passed through the axial holes of the two swing rods, and one end of the central shaft is rotatably connected to the side fixing plate; There are two buffer rollers, wherein two ends of one buffer roller are rotatably connected to the top ends of the two swing rods, and two ends of the other buffer roller are rotatably connected to the bottom ends of the two swing rods.

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