Film sealing and cutting machine

Abstract

The utility model discloses a film sealing and cutting machine, which belongs to the field of film sealing and cutting machines and comprises a frame. Two groups of moving assemblies are transversely arranged on the upper end surface of the rack; a sliding block base is slidably assembled between the two moving assemblies. The lower end face of the sliding block base is further provided with a flattening assembly. According to the film sealing and cutting machine disclosed by the utility model, the thermal shrinkage knife and the flattening assembly are mutually moved and matched, so that the flattening assembly can ensure that a film is kept flat in the cutting process, and wrinkles and waves are reduced, so that the flatness and the size precision of a cut edge are improved; meanwhile, the uniform flattening of the film is beneficial to realizing a more uniform sealing and cutting effect, the appearance quality and the sealing property of a film product are improved, and edge sealing and cutting burrs and the defective rate are reduced; the vertical height of the thermal shrinkage cutter is adjusted by matching with the guide rod cylinder, so that the thermal shrinkage cutter can adapt to films with different thicknesses in use, the time for replacing the thermal shrinkage cutter is shortened, and the flexibility and the efficiency of a production line are improved.

Description

Technical Field

[0001] The utility model belongs to the field of film sealing and cutting machines, and in particular relates to a film sealing and cutting machine. Background Art

[0002] Film sealing and cutting machine is a mechanical equipment used to process film materials. It is mainly used to cut large rolls of film materials into smaller rolls or sheets for subsequent packaging, printing or other processing. This machine is widely used in plastic packaging, printing, textile, electronics and other industries.

[0003] For example, a Chinese patent publication numbered CN219030023U discloses a sealing and cutting adjustment mechanism for a fully automatic film sealing and cutting packaging machine; in the cited document, two sliding blocks are driven to move relative to each other by means of a double-threaded rod, and when the sliding blocks move under the action of a support frame, the support rod pushes the connecting plate downward, thereby adjusting the height of the upper sealing and cutting knife, which is conducive to improving the convenience of sealing and cutting;

[0004] Although the above cited patent improves the convenience of sealing and cutting in actual use, it still has certain limitations in use, that is, the film sealing and cutting operation in the document lacks tensioning and flattening of the film. If the film is not fully tensioned and flattened, wrinkles or waves may appear during the cutting process, resulting in uneven cutting edges, affecting the appearance and sealing of the product. Therefore, a film sealing and cutting machine is proposed to solve the shortcomings in the cited document. Utility Model Content

[0005] In view of one or more of the above defects or improvement needs in the prior art, the utility model provides a film sealing and cutting machine, which has the advantages of being able to tension and flatten the film, thereby improving the sealing and cutting effect and flatness.

[0006] To achieve the above-mentioned purpose, the utility model provides a film sealing and cutting machine, comprising a frame;

[0007] The upper end surface of the frame is provided with two groups of moving components along its transverse direction; a sliding block seat is provided for sliding assembly between the two groups of moving components;

[0008] A set of flattening components is also installed on the lower end surface of the slider seat;

[0009] The flattening assembly comprises a positioning seat arranged on the lower end surface of the slider seat, the lower end surface of the positioning seat is provided with a plurality of shaft rods, and shaft sleeves are slidably arranged on the outside of the plurality of shaft rods; a plate is commonly installed on the ends of the plurality of shaft sleeves, shaft seats are installed at both ends of the lower end surface of the plate, bearings are press-fitted in the shaft seats, and a flattening shaft is rotatably mounted between the two bearings;

[0010] A compression spring is sleeved on the outside of the shaft rod and the sleeve, one end of the compression spring is connected to the positioning seat, and the other end of the compression spring is connected to the flat plate;

[0011] The two groups of moving components each include two mounting seats arranged on the upper end surface of the frame, a lead screw is rotatably arranged between the two mounting seats, lead screw nuts are meshedly arranged on the outside of the two lead screw nuts, and the slider seat is assembled on the outside of the two lead screw nuts.

[0012] As a further improvement of the utility model, a bracket is installed on the side of the frame, and two support plates are vertically assembled on the side of the bracket. The two support plates are arranged in parallel and have a plurality of limit grooves thereon; a plurality of film rollers are mounted on the support plates.

[0013] As a further improvement of the utility model, a guide rod cylinder is installed on the upper end surface of the slider seat, and the output end of the guide rod cylinder passes through the slider seat and is connected to a heat shrink knife.

[0014] As a further improvement of the present invention, the moving assembly further comprises a reciprocating motor arranged on a side surface of one of the mounting seats, and an output end of the reciprocating motor passes through the mounting seat and is connected to one end of the lead screw.

[0015] As a further improvement of the utility model, two side rods are arranged between the two mounting seats, and the two side rods are respectively arranged on one side of the screw and pass through the mounting block. The outer side of the side rod is provided with a linear bearing, and the mounting block is arranged outside the linear bearing and is slidably connected to the side rod.

[0016] In general, compared with the prior art, the above technical solutions conceived by the utility model have the following beneficial effects:

[0017] The film sealing and cutting machine of the utility model, through the mutual movement cooperation of the heat shrink knife and the flattening component, the sealing and cutting machine of the present application can ensure that the film remains flat during the cutting process, reduce wrinkles and waves, thereby improving the flatness and dimensional accuracy of the cutting edge. At the same time, the uniform flattening of the film helps to achieve a more uniform sealing and cutting effect, improve the appearance quality and sealing of the film product, and reduce edge sealing and cutting burrs and defective rates.

[0018] The film sealing and cutting machine of the utility model can be used to perform lateral linear movement of the heat shrink knife through the two sets of movable components, so that the heat shrink knife can move freely in a straight line on the upper end surface of the frame. In actual use, the sealing and cutting machine of the present application can adapt to the sealing and cutting operations of films of different widths, so as to handle packaging requirements of various sizes. By cooperating with the guide rod cylinder to adjust the vertical height of the heat shrink knife, it can also adapt to films of different thicknesses during use, thereby reducing the time for changing the size of the heat shrink knife and improving the flexibility and efficiency of the production line.

[0019] The film sealing and cutting machine of the utility model, through the installation and adjustment of the bracket and the film roller, in actual use, the film roller can be wound with different types of films, so as to provide the heat shrink knife with sealing and cutting operations. Compared with the sealing and cutting methods in the cited documents, the sealing and cutting machine of the present application can use a plurality of film rollers to quickly replace films of different materials, thicknesses or widths, adapt to diversified production needs, improve the flexibility of the production line, and at the same time reduce the downtime of the machine, thereby improving production efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is a schematic diagram of the overall installation structure of the utility model;

[0021] Figure 2 This is a schematic diagram of the installation structure of the flattening component of the utility model below the slider seat;

[0022] Figure 3 This is a schematic diagram of the installation structure of the mobile assembly and the slider seat of the utility model;

[0023] Figure 4 This is a schematic diagram of the overall installation structure of the flattening component of the utility model.

[0024] In all the drawings, the same figure marks represent the same technical features, specifically: 1. frame; 2. moving assembly; 21. mounting seat; 22. screw; 23. mounting block; 24. reciprocating motor; 25. side rod; 3. slider seat; 4. guide rod cylinder; 5. heat shrink knife; 6. flattening assembly; 61. positioning seat; 62. shaft rod; 63. bushing; 64. flat plate; 65. compression spring; 66. shaft seat; 67. bearing; 68. flattening shaft; 7. bracket; 71. support plate; 8. limit groove; 9. film roller. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] Example

[0027] Depend on Figure 1-4 Provided is a film sealing and cutting machine, comprising a frame 1;

[0028] Two groups of moving components 2 are arranged on the upper end surface of the frame 1 in the transverse direction; a sliding block seat 3 is arranged between the two groups of moving components 2 for sliding assembly;

[0029] A set of flattening components 6 is also installed on the lower end surface of the slider seat 3;

[0030] The flattening assembly 6 includes a positioning seat 61 arranged on the lower end surface of the slider seat 3, a plurality of shaft rods 62 are arranged on the lower end surface of the positioning seat 61, and shaft sleeves 63 are slidably arranged on the outer sides of the plurality of shaft rods 62; a plate 64 is commonly installed on the ends of the plurality of shaft sleeves 63, and shaft seats 66 are installed on both ends of the lower end surface of the plate 64, and bearings 67 are press-fitted inside the shaft seat 66, and a flattening shaft 68 is rotatably mounted between the two bearings 67;

[0031] A compression spring 65 is sleeved on the outside of the shaft rod 62 and the shaft sleeve 63. One end of the compression spring 65 is connected to the positioning seat 61, and the other end is connected to the plate 64.

[0032] The two groups of moving components 2 each include two mounting seats 21 arranged on the upper end surface of the frame 1, a lead screw 22 is rotatably arranged between the two mounting seats 21, and lead screw nuts are meshedly arranged on the outside of the two lead screw nuts, and the slider seat 3 is assembled on the outside of the two lead screw nuts.

[0033] In this embodiment, through the mutual movement cooperation of the set heat shrink knife 5 and the flattening component 6, in actual use, when the heat shrink knife 5 is cutting the film, the set compression spring 65 presses the flat plate 64, so that the flat plate 64 can drive the shaft seat 66 and the bearing 67 to always press the film on the frame 1, and at the same time, when the film is pulled by one end and sealed and cut, the set flattening shaft 68 can roll, so that the film can be flattened while sliding, thereby facilitating the heat shrink knife 5 to perform heat cutting; compared with the direct sealing and cutting operation in the cited document, the sealing and cutting machine of the present application uses the set flattening component 6 to ensure that the film remains flat during the cutting process, reduces wrinkles and waves, thereby improving the flatness and dimensional accuracy of the cutting edge, and at the same time, the uniform flattening of the film helps to achieve a more uniform sealing and cutting effect, improve the appearance quality and sealing of the film product, and reduce edge sealing and cutting burrs and defective rates.

[0034] Furthermore, the two sets of moving components 2 can be used to perform lateral linear movement of the heat shrink knife 5, so that the heat shrink knife 5 can move freely in a straight line on the upper end surface of the frame 1. In actual use, the sealing and cutting machine of the present application can adapt to the sealing and cutting operations of films of different widths, thereby handling packaging requirements of various sizes. By cooperating with the guide rod cylinder 4 to adjust the vertical height of the heat shrink knife 5, it can also adapt to films of different thicknesses during use, reducing the time for changing the size of the heat shrink knife 5 and improving the flexibility and efficiency of the production line.

[0035] Specifically, refer to Figure 1-2A bracket 7 is installed on the side of the frame 1, and two support plates 71 are vertically assembled on the side of the bracket 7. The two support plates 71 are arranged in parallel and have a plurality of limit grooves 8 opened thereon; a plurality of film rollers 9 are mounted on the support plates 71.

[0036] In this embodiment, in actual use, the user wraps the film to be processed around a plurality of film rollers 9, then tensions one end of the film, and passes one end of the film through the bottom of the flattening assembly 6 until it passes through the bottom of the heat shrink knife 5. At the same time, a pulling mechanism is provided on the side of the frame 1 to pull the film to facilitate the sealing and cutting operation.

[0037] Furthermore, by setting the limiting groove 8, the film roller 9 can be horizontally installed on the limiting groove 8 at different heights, so that films of different thicknesses can be wound and set. In a preferred embodiment, in order to prevent the film roller 9 from falling from the limiting groove 8, as shown in the embodiment Figure 1 As shown in the figure, the limiting groove 8 is arranged in an inclined inclined groove, thereby preventing the film roller 9 from actively slipping off.

[0038] Furthermore, through the installation and adjustment of the bracket 7 and the film roller 9, in actual use, the film roller 9 can be wound with different types of films, so that the heat shrink knife 5 can perform sealing and cutting operations. Compared with the sealing and cutting method in the cited document, the sealing and cutting machine of the present application can use several film rollers 9 to quickly replace films of different materials, thicknesses or widths, adapt to diversified production needs, improve the flexibility of the production line, and at the same time reduce the downtime of the machine, thereby improving production efficiency.

[0039] Specifically, refer to Figure 1-3 A guide rod cylinder 4 is installed on the upper end surface of the slider seat 3, and the output end of the guide rod cylinder 4 passes through the slider seat 3 and is connected to a heat shrink knife 5.

[0040] In this embodiment, after the film passes through the flattening assembly 6 and the heat shrink knife 5, the user connects the guide rod cylinder 4 to an external air source and connects the heat shrink knife 5 to a power source to heat it. Then the user can pull one end of the film and control the guide rod cylinder 4 at the same time so that the output end of the guide rod cylinder 4 presses down the heat shrink knife 5, thereby completing the heat cutting process of the heat shrink knife 5 on the film.

[0041] The heat shrink knife 5 is an existing mature technology, and its power connection method is an existing technology. The control circuit can be realized by simple programming by technicians in this field. It belongs to the common knowledge in this field. It is only used without modification, so the control method and circuit connection are not described in detail.

[0042] Specifically, refer to Figure 1-2The moving assembly 2 also includes a reciprocating motor 24 disposed on the side of one of the mounting seats 21 , and the output end of the reciprocating motor 24 passes through the mounting seat 21 and is connected to one end of the lead screw 22 .

[0043] In this embodiment, the reciprocating motor 24 is provided to control the rotation of the lead screw 22 .

[0044] Specifically, refer to Figure 1-2 Two side rods 25 are also arranged between the two mounting seats 21. The two side rods 25 are respectively arranged on one side of the screw 22 and pass through the mounting block 23. A linear bearing is sleeved on the outside of the side rod 25. The mounting block 23 is sleeved on the outside of the linear bearing and is slidably connected to the side rod 25.

[0045] In this embodiment, in actual use, after the reciprocating motor 24 is connected to the power supply, the screw 22 connected to the output end of the reciprocating motor 24 can rotate. When the screw 22 rotates, it is laterally limited by the two side rods 25, so that the screw nuts outside the two screws 22 can synchronously drive the slider seat 3 to move horizontally and linearly along the upper end surface of the frame 1. At the same time, by controlling the rotation direction of the screw 22, the slider seat 3 can also be reciprocated on the frame 1. Through the installation of the slider seat 3 and the heat shrink knife 5, when the slider seat 3 moves, the set heat shrink knife 5 can move synchronously.

[0046] The linear bearing disposed outside the side rod 25 can provide the lead screw nut with smoother linear movement, thereby ensuring accurate position adjustment of the slider seat 3 and the heat shrink knife 5 .

[0047] The film sealing and cutting machine of the utility model:

[0048] Step 1: In actual use, when the user needs to seal and cut the film, the film to be processed is wound around a plurality of film rollers 9, one end of the film is then tensioned, and one end of the film is passed through the bottom of the flattening component 6 until it passes through the bottom of the heat shrink knife 5;

[0049] Step 2: After the film passes through the flattening assembly 6 and the heat shrink knife 5, the user connects the guide rod cylinder 4 to an external air source and connects the heat shrink knife 5 to a power source to heat it. Then the user can pull one end of the film and control the guide rod cylinder 4 at the same time so that the output end of the guide rod cylinder 4 presses down the heat shrink knife 5, thereby completing the heat cutting process of the heat shrink knife 5 on the film;

[0050] Step 3: When the heat shrink knife 5 is cutting the film, the compression spring 65 presses the flat plate 64, so that the flat plate 64 can drive the shaft seat 66 and the bearing 67 to always press the film on the frame 1. At the same time, when the film is pulled and sealed and cut, the flattening shaft 68 can roll, so that the film can be flattened while sliding, which makes it easier for the heat shrink knife 5 to perform heat cutting.

[0051] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A film sealing and cutting machine, comprising a frame (1), characterized in that: Two groups of moving components (2) are arranged on the upper end surface of the frame (1) along its transverse direction; a sliding block seat (3) is arranged between the two groups of moving components (2) for sliding assembly; A set of flattening components (6) is also installed on the lower end surface of the slider seat (3); The flattening assembly (6) comprises a positioning seat (61) arranged on the lower end surface of the slider seat (3); a plurality of shaft rods (62) are arranged on the lower end surface of the positioning seat (61); shaft sleeves (63) are slidably arranged outside the plurality of shaft rods (62); a plate (64) is commonly installed at the ends of the plurality of shaft sleeves (63); shaft seats (66) are installed at both ends of the lower end surface of the plate (64); a bearing (67) is press-fitted inside the shaft seat (66); a flattening shaft (68) is rotatably mounted between the two bearings (67); A compression spring (65) is also sleeved on the outside of the shaft rod (62) and the shaft sleeve (63), one end of the compression spring (65) is connected to the positioning seat (61), and the other end is connected to the flat plate (64); The two groups of moving components (2) each comprise two mounting seats (21) arranged on the upper end surface of the frame (1), a lead screw (22) is rotatably arranged between the two mounting seats (21), lead screw nuts are meshedly arranged on the outside of the two lead screw nuts, and the slider seat (3) is assembled on the outside of the two lead screw nuts.

2. The film sealing and cutting machine according to claim 1, characterized in that: A bracket (7) is installed on the side of the frame (1), and two support plates (71) are vertically mounted on the side of the bracket (7). The two support plates (71) are arranged in parallel and have a plurality of limit grooves (8) formed thereon; and a plurality of film rollers (9) are mounted on the support plates (71).

3. The film sealing and cutting machine according to claim 1, characterized in that: A guide rod cylinder (4) is installed on the upper end surface of the slider seat (3); the output end of the guide rod cylinder (4) passes through the slider seat (3) and is connected to a heat shrink knife (5).

4. The film sealing and cutting machine according to claim 1, characterized in that: The moving assembly (2) further comprises a reciprocating motor (24) arranged on the side of one of the mounting seats (21); an output end of the reciprocating motor (24) passes through the mounting seat (21) and is connected to one end of the lead screw (22).

5. The film sealing and cutting machine according to claim 1, characterized in that: Two side rods (25) are also arranged between the two mounting seats (21). The two side rods (25) are respectively arranged on one side of the lead screw (22) and penetrate the mounting block (23). The side rods (25) are sleeved with linear bearings on the outside, and the mounting block (23) is sleeved on the outside of the linear bearings and is slidably connected to the side rods (25).

Images