A film sealing machine

Abstract

The utility model discloses a kind of film sealing machines, belong to film sealing technical field, including base and the base, transmission assembly, film feeding assembly and hot-pressing assembly of installation on the base;The base is slidably connected with the base along horizontal direction, and the base is fixedly connected relative to the output end of the transmission assembly, the base is used to carry the product to be hot-pressed, the transmission assembly is used to drive the base movement between the film outlet position of the film feeding assembly and the hot-pressing position of the hot-pressing assembly, the film feeding assembly is used to sequentially single sheet output of the stacked membrane, the hot-pressing assembly is used to hot-press the membrane on the product to be hot-pressed on the base.The utility model can be stacked together in turn and transport piece-shaped membrane material, avoid the fracture problem possibly occurred in membrane material conveying process.

Description

Technical Field

[0001] This utility model relates to the field of sealing technology, and in particular to a sealing machine. Background Technology

[0002] A film sealing machine is a device used to attach a film to the surface of a product to be sealed by heat pressing, thereby sealing the surface of the product with the film.

[0003] In the existing technology, the sealing machine mainly uses two rollers to feed and collect the material. However, this feeding and collecting method has certain defects: mainly, holes will appear on the film material after hot pressing, and the edge of the film material in the width direction may only have millimeter-level residue. This will cause the film material to be accidentally torn during the feeding and collecting process, which requires manual intervention and greatly reduces the working efficiency of the sealing machine. Summary of the Invention

[0004] In view of the problem that the film material is accidentally torn during the feeding and unloading process of the sealing machine in the prior art, the purpose of this utility model is to provide a sealing machine that can at least partially solve the above-mentioned problem.

[0005] To achieve the above objectives, the technical solution of this utility model is as follows:

[0006] A sealing machine includes a base and a pedestal, a transmission assembly, a film feeding assembly, and a hot pressing assembly mounted on the base. The pedestal is slidably connected to the base in a horizontal direction and is fixedly connected relative to the output end of the transmission assembly. The pedestal is used to support the product to be hot-pressed. The transmission assembly is used to drive the pedestal to move between the film outlet position of the film feeding assembly and the hot pressing position of the hot pressing assembly. The film feeding assembly is used to output stacked films one by one in sequence. The hot pressing assembly is used to hot-press the films onto the product to be hot-pressed on the pedestal.

[0007] In some preferred embodiments, the hot pressing assembly includes a hot pressing frame, a substrate, a pressing plate, a heating plate, a pressure bearing seat, and a lifting mechanism; the substrate is slidably connected relative to the hot pressing frame along the height direction, the lifting mechanism is fixed on the hot pressing frame, and its output end is connected to the substrate; the pressing plate is located below the substrate and is slidably connected relative to the substrate along the height direction, and an elastic element is also connected between the pressing plate and the substrate, the elastic element being used to provide an elastic force that moves the pressing plate and the substrate away from each other; the heating plate is fixed to one side of the top surface of the pressing plate; the pressure bearing seat is fixedly connected to the hot pressing frame and located below the pressing plate.

[0008] In some preferred embodiments, the film feeding assembly includes a support frame, on which a base plate and a film exit platform are fixed along the film feeding direction. The upstream side of the base plate is inclined with an upward bend and has a film groove for placing the film sheet. A pressure roller and a film feeding roller are rotatably connected to the support frame along the film feeding direction. The pressure roller is located on the upper side of the base plate, and the film feeding roller is located between the base plate and the film exit platform. A pressure plate is fixedly connected to the pressure roller, and a gap is provided between the pressure plate and the base plate for the film sheet to pass through. A film pressing roller is rotatably connected to the free end of the pressure plate, and the film pressing roller is arranged opposite to the film feeding roller. The pressure plate is provided with a first elastic element for pressing the film pressing roller against the film feeding roller.

[0009] The film feeding assembly also includes a film feeding frame and a film feeding roller. The film feeding roller is rotatably connected to one end of the film feeding frame, and the other end of the film feeding frame is rotatably connected to the support frame. The film feeding roller is used to scoop the film sheet out of the film groove.

[0010] A first central gear is rotatably connected to the support frame. The first central gear meshes with a first planetary gear. A first swing frame is connected between the first central gear and the first planetary gear. The first central gear is also connected to the film-feeding roller. The first planetary gear is used to drive the film-feeding roller to rotate.

[0011] In some preferred embodiments, an end gear is fixed on the film-collecting roller, a first intermediate gear is rotatably connected to the support frame, and three sequentially meshing transmission gears are rotatably connected to the film-collecting frame. The three transmission gears are used to transmit torque between the first intermediate gear and the end gear, and the first intermediate gear is adapted to the first planetary gear on the first rocking frame.

[0012] In some preferred embodiments, the film feeding assembly further includes a separation shaft rotatably connected to the support frame, the separation shaft being located on the lower side of the base plate, and a separation claw being fixed on the separation shaft, and a through hole being provided on the base plate for the separation claw to pass through;

[0013] A separation gear is rotatably connected to the support frame, and a connecting rod structure is eccentrically connected to the separation gear. A swing arm connected to the connecting rod structure is fixed on the separation shaft.

[0014] A second central gear is rotatably connected to the support frame. The second central gear meshes with two second planetary gears. A second swing frame is connected between the two second planetary gears. The second central gear is also connected to the film-feeding roller.

[0015] A second intermediate gear is rotatably connected to the support frame, and the second intermediate gear is used to transmit torque between the separation gear and the second planetary gear.

[0016] In some preferred embodiments, the linkage structure includes a linkage body, a slider, and a second elastic element. The slider is axially slidably connected to the linkage body and is eccentrically connected to the separation gear. The second elastic element is used to move the slider toward the separation shaft.

[0017] In some preferred embodiments, the first central gear and the second central gear are coaxially fixedly arranged, and a third intermediate gear is rotatably connected to the support frame. The third intermediate gear is used to transmit torque between the second central gear and the film-feeding roller.

[0018] In some preferred embodiments, there are multiple separating claws arranged at intervals along the axial direction, and the base plate is provided with corresponding through holes.

[0019] In some preferred embodiments, the film exiting platform is provided with a film exiting port, and a film exiting wheel and a film traveling wheel arranged vertically opposite each other are rotatably connected at the film exiting port. There are multiple pairs of film exiting wheels and film traveling wheels arranged at intervals along the axial direction. The film traveling wheels are all fixedly mounted on the film exiting roller. The film exiting roller is rotatably connected to the support frame, and the film exiting roller and the film traveling roller are connected in a driving connection.

[0020] In some preferred embodiments, the system further includes a housing fixedly connected to the base; the housing has an opening for the base to enter and exit, a hatch is pivotally connected to the opening, and a reset member is connected between the hatch and the housing, the reset member being used to keep the hatch in a normally closed state; the housing also has a membrane feeding port for adding a membrane to the membrane feeding assembly.

[0021] The beneficial effects of this utility model by adopting the above technical solution are as follows: The sealing machine provided by this utility model can sequentially convey stacked sheet materials (i.e. film sheets) to the product to be heat-pressed by setting the film feeding device, thereby avoiding the possibility of film material breakage and ensuring continuous film material conveying. Attached Figure Description

[0022] Figure 1 This is a front view of the sealing machine in this utility model;

[0023] Figure 2 This is a schematic diagram of the sealing machine in this utility model;

[0024] Figure 3 This is a front view of the sealing machine after the outer shell has been removed.

[0025] Figure 4This is a left view of the sealing machine after the outer shell has been removed.

[0026] Figure 5 This is a schematic diagram of the membrane inlet assembly in this utility model;

[0027] Figure 6 This is another structural schematic diagram of the membrane inlet assembly in this utility model;

[0028] Figure 7 This is another structural schematic diagram of the membrane inlet assembly in this utility model;

[0029] Figure 8 This is a top view of the membrane assembly in this utility model;

[0030] Figure 9 This is a schematic diagram of the film-collecting mechanism and the separation mechanism in this utility model;

[0031] Figure 10 This is a rear view of the film-making mechanism and the separation mechanism in this utility model.

[0032] In the diagram: 10-base, 101-support foot; 20-base, 201-slide rail, 202-slider; 30-transmission assembly, 301-transmission motor, 302-transmission screw, 303-transmission nut; 40-hot pressing assembly, 401-hot pressing frame, 402-base plate, 403-guide shaft, 404-linear bearing, 405-lifting motor, 406-swing arm, 407-connecting rod, 408-connecting block, 409-film pressing plate, 410-hot pressing guide column, 411-elastic element, 412-heating plate, 413-conduit tube; 50-film inlet assembly, 1-support frame, 11-side plate, 12-partition plate, 2-bottom plate, 21-film groove, 22-perforation, 3-film outlet platform, 31-film outlet, 32-film outlet wheel, 33-film travel wheel, 34-film outlet roller, 35-outlet... 36-Driven gear, 4-Film roller, 41-Driving gear, 5-Film pressing mechanism, 51-Pressure plate roller, 52-Pressure plate, 53-Film pressing roller, 54-First elastic element, 6-Film collection mechanism, 61-Film collection frame, 62-Film collection roller, 63-First central gear, 64-First planetary gear, 65-First swing frame, 66-End gear, 67-First intermediate gear, 68-Transmission gear, 7-Separation mechanism, 71-Separation shaft, 72-Separation claw, 73-Separation gear, 74-Swing arm, 75-Linkage structure, 751-Linkage body, 752-Slider, 753-Second elastic element, 76-Second central gear, 77-Second planetary gear, 78-Second swing frame, 79-Second intermediate gear, 8-Third intermediate gear; 60-Outer shell; 70-Door. Detailed Implementation

[0033] The specific embodiments of this utility model will be further described below with reference to the accompanying drawings. It should be noted that these descriptions are for the purpose of aiding understanding of this utility model, but do not constitute a limitation thereof. Furthermore, the technical features involved in the various embodiments of this utility model described below can be combined with each other as long as they do not conflict with each other.

[0034] It should be noted that in the description of this utility model, the terms "upper", "lower", "left", "right", "front", "rear", etc., indicate the orientation or positional relationship based on the description of the structure of this utility model shown in the accompanying drawings. They are only for the convenience of describing this utility model and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0035] The terms "first" and "second" in this technical solution are merely designations for corresponding structures that are identical or similar, or that perform similar functions. They do not represent an arrangement of the importance of these structures, nor do they imply any ranking, comparison of size, or other meaning.

[0036] Furthermore, unless otherwise explicitly specified and limited, the terms "installation" and "connection" should be interpreted broadly. For example, a connection can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be a connection within two structures. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the overall concept and the specific context of the solution.

[0037] Example 1

[0038] A sealing machine, such as Figures 1-4 As shown, it includes a base 10 and a base 20, a transmission assembly 30, a hot pressing assembly 40 and a film infeed assembly 50 mounted on the base 10.

[0039] The base 10 is generally plate-shaped, and several support feet 101 are usually fixedly installed on one side of its bottom surface. A slide rail 201 is fixed on the bottom surface of the base 20, and the slide rail 201 is arranged along the conveying direction of the diaphragm. A slider 202 that cooperates with the slide rail 201 is fixed on one side of the top surface of the base 10.

[0040] The transmission assembly 30 includes a drive motor 301, a drive screw 302, and a drive nut 303. The drive motor 301 is fixed to the top surface of the base 10 by screws. Both ends of the drive screw 302 are fixed to bearing seats provided on one side of the top surface of the base 10 by bearings. The drive screw 302 is parallel to the slide rail 201, and one end of the drive screw 302 is also connected to the motor shaft of the drive motor 301 by a coupling. The drive nut 303 is screwed onto the drive screw 302 and is fixedly connected to the slide rail 201 by screws. When the drive motor 301 is working, it can drive the drive screw 302 to rotate, and then drive the drive nut 303 to move along the axial direction of the drive screw 302, which in turn drives the slide rail 201 to move along the conveying direction of the film. Specifically, the base 20 receives the film at the position near the film outlet of the film inlet assembly, and then performs hot pressing at the position of the hot pressing assembly 40. Then the hot-pressed film is conveyed outward, and so on.

[0041] like Figures 3-4 As shown, the hot pressing assembly 40 is fixedly installed on the front side of the top surface of the base 10. The hot pressing assembly 40 includes a hot pressing frame 401, a substrate 402, a pressing plate 409, a heating plate 412, a pressure bearing seat 15, and a lifting mechanism.

[0042] The hot press frame 401 is a frame structure made of spliced ​​plates. It includes a top plate and two side plates. The two side plates are vertically and relatively parallel and are fixed on both sides of the front of the top of the base 10. The top plate is horizontally fixed on the top of the two side plates.

[0043] The substrate 402 is arranged horizontally and is located on the side below the top plate of the hot press frame 401. The substrate 402 is slidably connected to the hot press frame 401 along the height direction. For example, a guide shaft 403 is fixed on one side of the top surface of the substrate 402. A linear bearing 404 that cooperates with the guide shaft 403 is fixedly installed on the top plate of the hot press frame 401. Usually, two guide shafts 403 are configured to improve the movement stability of the substrate 402.

[0044] The lifting mechanism is fixed to the hot press frame 401, and its output end is connected to the base plate 402. Specifically, the lifting mechanism includes a lifting motor 405, a swing arm 406, and a connecting rod 407. The lifting motor 405 is fixed to a motor frame with screws, which is then fixed to one side of the top surface of the top plate in the hot press frame 401 with screws. The swing arm 406 is fixed to the motor shaft of the lifting motor 405. Both ends of the connecting rod 407 are pivotally connected to the swing arm 406 and the base plate 402 respectively via pins. Typically, a connecting block 408 is fixed to the top surface of the base plate 402 with screws, and the connecting rod 407 is connected to this connecting block 408 via pins. It is easy to understand that a notch is provided on the top plate of the hot press frame 401 to allow the connecting rod 407 and the connecting block 408 to pass through, thus enabling the lifting mechanism to drive the base plate 402 to reciprocate vertically.

[0045] The pressure plate 409 is located below the substrate 402, and the two are parallel to each other. The pressure plate 409 is also slidably connected to the substrate 402 along the height direction. For example, a hot-pressing guide post 410 is fixed on the pressure plate 409. The corresponding substrate 402 has a guide hole, guide sleeve, or guide bearing adapted to the hot-pressing guide post 410. The upper end of the hot-pressing guide post 410 extends to one side of the top surface of the substrate 402, and the upper end of the hot-pressing guide post 410 is provided with an anti-detachment block to prevent the pressure plate 409 from separating from the substrate 402, so that the pressure plate 409 can move up and down relative to the substrate 402 along the hot-pressing guide post 410. A reset elastic member 411 is also connected between the pressure plate 409 and the substrate 402. The reset elastic member 411 is used to provide an elastic force to move the pressure plate 409 away from the substrate 402. The reset elastic member 411 is a helical compression spring and is sleeved on the hot-pressing guide post 410. This configuration allows pressure to be applied to the film-pressing plate 409 via the substrate 402 and the reset elastic member 411, while also preventing the film-pressing plate 409 from damaging the product to be sealed.

[0046] A heating plate 412 is fixedly connected to one side of the top surface of a pressing plate 409. An electric heating wire (not shown) is installed inside the heating plate 412. Both the heating plate 412 and the pressing plate 409 are made of a material with high thermal conductivity, such as steel plate. The size of the heating plate 412 is slightly smaller than that of the pressing plate 409, allowing the heating plate 412 to avoid the hot-pressing guide post 410. A conduit 413 is fixed to the top surface of the heating plate 412 so that the electric heating wire can pass through it. Correspondingly, a through hole is provided on the substrate 402 for the conduit 413 to pass through.

[0047] like Figures 5-10 As shown, the film feeding assembly 50 includes a support frame 1, a base plate 2, a film exit platform 3, a film feeding roller 4, a motor (not shown in the figure), a film pressing mechanism 5, a film pinching mechanism 6, and a separation mechanism 7.

[0048] The support frame 1 includes two parallel and oppositely arranged side plates 11. The support frame 1 is fixedly installed relative to the base 10 through its side plates. The base plate 2 is fixed between the two side plates 11 and is located on the right side, where "right" refers to the upstream direction of the diaphragm movement. The base plate 2 has a bent structure. Its downstream side (i.e., the left side) is generally straight (usually slightly inclined upward from left to right), and its upstream side (i.e., the right side) is inclined upward. The upstream side of the base plate 2 is provided with a membrane groove 21 for placing the diaphragm. For example, two parallel and oppositely arranged baffles are provided on the upstream side of the base plate 2. The two baffles and the base plate 2 together form the membrane groove 21.

[0049] The film exit platform 3 is fixed to the left side of the support frame 1 (between the two side plates 11). The film exit platform 3 has two platforms of different heights. The lower platform is located on the right side and is at the same height as the left end of the base plate 2. A film exit port 31 is provided at the junction of the two platforms of the film exit platform 3. The film exit port 31 is at the same height as the lower platform of the film exit platform 3. A film exiting wheel 32 and a film traveling wheel 33 are rotatably connected to the film exit port 31 and are arranged vertically opposite each other. The axes of the film exiting wheel 32 and the film traveling wheel 33 are both horizontal and perpendicular to the direction of movement of the film. The film exiting wheel 32 is rotatably connected to a wheel groove opened on the higher platform of the film exit platform 3. There are usually multiple film exiting wheels 32, which are arranged at intervals along the axial direction. The film-feeding roller 33 is located on the side below the higher platform of the film-exiting platform 3. The number of film-feeding rollers 33 is the same as that of the film-exiting rollers 32 and they correspond one-to-one. Each film-feeding roller 33 is fixed on the same film-exiting roller 34, which is rotatably connected between the two side plates 11 of the support frame 1.

[0050] The film-feeding roller 4 is rotatably connected between the two side plates 11 of the support frame 1, and is located between the base plate 2 and the film-exiting platform 3. A motor is fixedly installed on one of the side plates 11 of the support frame 1, and the motor drives the film-feeding roller 4 to rotate through a reducer. The film-feeding roller 4 cooperates with the film-pressing mechanism 5 to transport the film from the base plate 2 to the film-exiting platform 3.

[0051] The film pressing mechanism 5 includes a pressure roller 51, a pressure plate 52, a film pressing roller 53, and a first elastic element 54.

[0052] The pressure roller 51 is located above the downstream side of the base plate 2 and upstream of the film conveying roller 4. The pressure roller 51 is rotatably connected between the two side plates 11 of the support frame 1. The right end of the pressure plate 52 is fixed to the pressure roller 51, and the film pressing roller 53 is rotatably connected to the left end (i.e., the free end) of the pressure plate 52. For example, the left end of the pressure plate 52 has a through groove for mounting the film pressing roller 53. There are usually multiple film pressing rollers 53, which are arranged at axial intervals. The film pressing roller 53 is located on the upper side of the film conveying roller 4, and there is a gap between the pressure plate 52 and the base plate 1 for the film to pass through. The first elastic element 54 is, for example, a torsion spring, which is wound around the outside of the pressure roller 51. The first elastic element 54 is used to provide the elastic force for the film pressing roller 53 to press against the film conveying roller 4, so that when the film conveying roller 4 rotates, the film between the film pressing roller 53 and the film conveying roller 4 can be conveyed. Typically, a baffle (not shown in the figure) is connected between the two side plates 11 of the support frame 1. The baffle is located above the pressure roller 51 and is used for the torsion spring to provide elastic force to the pressure plate 52. The torsion spring can borrow force from the baffle.

[0053] The film-tapping mechanism 6 is used to pull the film out of the film groove 21 and transport it to the left side of the bottom plate 1. The film-tapping mechanism 6 includes a film-tapping frame 61, a film-tapping roller 62, a first central gear 63, a first planetary gear 64, a first swing frame 65, an end gear 66, a first intermediate gear 67, and a transmission gear 68.

[0054] The film collection frame 61 is generally inclined during operation, with its inclination direction roughly corresponding to the upstream side of the base plate 1. The lower left end of the film collection frame 61 is rotatably connected to the support frame 1, while the film collection roller 62 is rotatably connected to the upper right end of the film collection frame 61. The film collection roller 62 is used to collect the film from the film groove 21. A first central gear 63 is rotatably connected to the support frame 1 (side plate 11). The first central gear 63 is equipped with a first planetary gear 64 that meshes with it. A first rocking frame 65 is connected between the first central gear 63 and the first planetary gear 64. Specifically, the first rocking frame 65 has two short shafts, and the first central gear 63 and the first planetary gear 64 are rotatably connected to these two short shafts, respectively. Meanwhile, an end gear 66 is fixed on the film-collecting roller 62, and a first intermediate gear 67 is rotatably connected to the support frame 1 (side plate 11). Three sequentially meshing transmission gears 68 are rotatably connected to the film-collecting frame 61. These three transmission gears 68 are used to transmit torque between the first intermediate gear 67 and the end gear 66. At the same time, the first intermediate gear 67 is adapted to the first planetary gear 64. Thus, when the first swing frame 65 swings to the right, the first planetary gear 64 can drive the first intermediate gear 67. When the first central gear 63 rotates clockwise under external force, it drives the first swaying frame 65 to swing to the right and simultaneously drives the first planetary gear 64 to rotate. When the first planetary gear 64 swings to the position where it meshes with the first intermediate gear 67, the distance between them prevents it from swinging further to the right. Since the first swaying frame 65 is not rigidly connected to the first central gear 63 or the first planetary gear 64, the first planetary gear 64 will remain at that position and continue to transmit torque to the first intermediate gear 67, which is then transmitted to the end gear 66 and drives the film-collecting roller 62 to rotate, thus achieving film collection. After film collection is complete, rotating the first central wheel 63 in the opposite direction will drive the first swaying frame 65 to swing to the left, disengaging the first planetary gear 64 from the first intermediate gear 67. In this embodiment, the power source for the first central wheel 63 comes from the film-carrying roller 4, which will be explained in detail later.

[0055] The separation mechanism 7 is used to prevent the diaphragm from sliding downstream at undesirable times. The separation mechanism 7 includes a separation shaft 71, a separation claw 72, a separation gear 73, a swing arm 74, a linkage structure 75, a second central gear 76, a second planetary gear 77, a second swing frame 78, and a second intermediate gear 79.

[0056] The separating shaft 71 is located on the lower side of the base plate 2 and is rotatably connected to the support frame 1 (between the two side plates 11). The separating claw 72 is fixed on the separating shaft 71. The base plate 2 has through holes 22 for the separating claw 72 to pass through. By controlling the rotation of the separating shaft 71, the separating claw 72 can be made to protrude above the base plate 2 (blocking diaphragm movement) or be hidden below the base plate 2 (allowing diaphragm movement). Usually, there are multiple separating claws 72 arranged at intervals along the axial direction, and corresponding through holes 22 are provided on the base plate 2.

[0057] The separating gear 73 is rotatably connected to the support frame 1 (side plate 11). A swing arm 74 is fixed on the separating shaft 71. One end of the connecting structure 75 is pivotally connected to the separating gear 73 in an eccentric shape, and the other end of the connecting structure 75 is pivotally connected to the swing arm 74. Therefore, when the separating gear 73 rotates, it can drive the separating shaft 71 to rotate through the connecting rod structure 75. By controlling the rotation angle of the separating gear 73, the position control of the separating claw 72 can be achieved. For example, a motor (not shown in the figure) can be separately equipped for driving the separation gear 73 to rotate. In this embodiment, the power source of the separating gear 73 is also configured to come from the film-feeding roller 4, which will be explained in detail later.

[0058] A second central gear 76 is rotatably connected to the support frame 1 (side plate 11). The second central gear 76 meshes with two circumferentially spaced second planetary gears 77, and a second rocker arm 78 is connected between the two second planetary gears 77. A second intermediate gear 79 is rotatably connected to the support frame 1 (side plate 11). The second intermediate gear 79 is used to transmit torque between the release gear 73 and the second planetary gears 77. Thus, when the second central gear 76 rotates, it can drive the second rocker arm 78 to swing, and simultaneously drive the second planetary gears 77 to rotate. When the second rocker arm 78 swings to the position where the second planetary gears 77 and the second intermediate gear 79 mesh, it can drive the second intermediate gear 79 to rotate, thereby driving the release gear 73 to rotate.

[0059] In this embodiment, the first central gear 63 and the second central gear 76 are coaxially fixedly arranged. For example, an isolation plate 12 is fixed on the support frame 1, and the second central gear 76 and the first central gear 63 are located on the inner and outer sides of the isolation plate 12, respectively. Additionally, a third intermediate gear 8 is rotatably connected to the support frame 1 (side plate 11). The third intermediate gear 8 is used to transmit torque between the second central gear 76 and the film-feeding roller 4. Specifically, a drive gear 41 is fixedly installed on the film-feeding roller 4, and the third intermediate gear 8 is used to transmit torque between the second central gear 76 and the drive gear 41. Considering that the pressure angle and module of the drive gear 41 and the second central gear 76 may not be the same, there are actually two third intermediate gears 8, coaxially fixedly arranged, to facilitate the transmission of torque between the second central gear 76 and the drive gear 41.

[0060] Thus, when the film-feeding roller 4 rotates clockwise under the drive of the motor, it drives the third intermediate gear 8 to rotate through the drive gear 41, which in turn drives the first central gear 63 and the second central gear 76 to rotate synchronously. The first central gear 63 also rotates clockwise, which causes the film-feeding roller 62 to rotate and perform the film-feeding action. At the same time, the second central gear 76 also rotates clockwise, which drives the separation gear 73 to rotate counterclockwise, and finally drives the separation shaft 71 to rotate counterclockwise, so that the separation claw 72 is hidden under the base plate 2, and the film can pass through normally.

[0061] In this embodiment, the linkage structure 75 of the separation mechanism 7 includes a linkage body 751, a slider 752, and a second elastic element 753.

[0062] The right end of the connecting rod body 751 is pivotally connected to the swing arm 74 on the separation shaft 71. The slider 752 is axially slidably connected to the left end of the connecting rod body 751. The slider 752 is eccentrically connected to the separation gear 73. For example, a pin is eccentrically fixed on the separation gear 73, and a pin hole is provided on the slider 752 to cooperate with the pin. The second elastic element 753 is configured as a tension spring, which provides elastic force to the slider 752 to move towards the separation shaft 71. Therefore, when the second central gear 76 rotates in the opposite direction, the separation gear 73 no longer bears torque. Under the tension of the second elastic element 753, the slider 752 moves towards the separation shaft 71, and at the same time drives the separation gear 73 to rotate clockwise. This shortens the "effective length" of the connecting rod structure 75, thereby causing the separation shaft 71 to rotate clockwise, exposing the separation claw 72 on the top surface of the base plate 2, thus preventing the diaphragm from passing through accidentally.

[0063] In this embodiment, a film-exiting gear 35 is installed on the film-exiting roller 34, and three driven gears 36 that mesh sequentially are rotatably connected to the support frame 1 (side plate). These three driven gears 36 are used to transmit torque between the driving gear 41 and the film-exiting gear 35, so that the driving gear 41 and the film-exiting gear 35 rotate in the same direction.

[0064] When the sealing machine provided in this embodiment is used, the film feeding assembly first outputs the film in its film groove 21 from the film output platform 3. The transmission assembly 30 drives the base 20 to a position close to the film output position of the film feeding assembly and receives the film. Then, the transmission assembly 30 drives the base 20 to a position below the hot pressing assembly 40 for hot pressing. After the hot pressing is completed, the transmission assembly 30 continues to drive the base 20 to move outward, unload the hot-pressed product and replace it with a new product to be hot-pressed, and then returns to the film output position of the film feeding assembly. This process is repeated.

[0065] The working process of the film feeding assembly 50 is as follows: The motor first drives the film feeding roller 4 to rotate clockwise, and drives the third intermediate gear 8 to rotate in the opposite direction through the drive gear 41. Then, it simultaneously drives the first central gear 63 and the second central gear 76 to rotate clockwise. The first swing frame 65 and the second swing frame 78 swing to the right. The first planetary gear 64 transmits torque to the film feeding roller 62. The film feeding roller 62 rotates clockwise and realizes the film feeding action. The second planetary gear 77 transmits torque to the separation gear 73. After the separation gear 73 rotates counterclockwise, it drives the separation shaft 71 to rotate counterclockwise, so that the separation claw 72 is hidden under the bottom plate 2, and the film can pass through normally. When the film moves between the film-feeding roller 4 and the pressing mechanism 5, the motor drives the film-feeding roller 4 to rotate in the opposite direction (counterclockwise). At this time, the first central gear 63 and the second central gear 76 rotate synchronously in the opposite direction, thereby causing the first swing frame 65 and the second swing frame 78 to swing to the left. This prevents the first intermediate gear 67 and the second intermediate gear 79 from obtaining torque, and the film-tapping mechanism 6 stops film-tapping. The separating claw 72 is exposed on the base plate 2 under the action of the second elastic element 753 to prevent the film from passing through accidentally. At this time, because the film-feeding roller 4 rotates in the opposite direction, the film that has moved between the film-feeding roller 4 and the pressing mechanism 5 can continue to be conveyed to the left. When the film is conveyed to the film outlet 31, because the film outlet roller 34 also rotates in the opposite direction, the film can be conveyed to the left by the film-feeding wheel 33 and the film outlet wheel 32 and cover the product to be heat-pressed on the base 20.

[0066] The working process of the hot pressing assembly 40 is as follows: When the product to be hot pressed, supported by the base 20, is covered with a film, the heating plate 412 is energized and heated. Then, the lifting motor 405 is activated, and the base plate 402 is driven to move downward through the swing rod 406 and the connecting rod 407. The base plate 402 drives the pressure plate 409 to move downward through the reset elastic member 411. The pressure plate 309 applies hot pressing to the product to be hot pressed, and the film is hot pressed onto the product, such as a 96-hole plate, thereby achieving film sealing.

[0067] Example 2

[0068] Based on the above embodiments, such as Figure 1 and Figure 2 As shown, the sealing machine also includes a housing 60, which is fixedly connected to the base 10. The aforementioned hot pressing assembly 40, transmission assembly 30, and film feeding assembly are all located inside the housing 60. The upper right side of the housing 60 has a film feeding port to expose the film groove 21 of the film feeding assembly.

[0069] It is easy to understand that the loading and unloading position of the product to be hot-pressed is usually set on the left side of the outer shell 60. Therefore, the left side of the outer shell 60 is provided with an opening for the base 20 to enter and exit. For sealing purposes, a hatch 70 is installed at the opening. To facilitate the entry and exit of the base 20, the lower end of the hatch 70 is usually pivotally connected to the lower end of the opening of the outer shell 60, and a hatch reset component (not shown in the figure, such as a torsion spring or a tension spring) is connected between the hatch 70 and the outer shell 60. The torsion spring or tension spring is used to provide the elastic force to keep the hatch 70 in the normally closed state.

[0070] The embodiments of this utility model have been described in detail above with reference to the accompanying drawings, but this utility model is not limited to the described embodiments. For those skilled in the art, various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principles and spirit of this utility model, and these variations still fall within the protection scope of this utility model.

Claims

1. A sealing machine, characterized in that: The device includes a base and a pedestal mounted on the base, a transmission assembly, a film feeding assembly, and a hot pressing assembly. The pedestal is slidably connected to the base in a horizontal direction and is fixedly connected relative to the output end of the transmission assembly. The pedestal is used to support the product to be hot-pressed. The transmission assembly is used to drive the pedestal to move between the film outlet position of the film feeding assembly and the hot pressing position of the hot pressing assembly. The film feeding assembly is used to output stacked films one by one in sequence. The hot pressing assembly is used to hot-press the films onto the product to be hot-pressed on the pedestal.

2. The sealing machine according to claim 1, characterized in that: The hot pressing assembly includes a hot pressing frame, a substrate, a pressing plate, a heating plate, a pressure bearing seat, and a lifting mechanism. The substrate is slidably connected to the hot pressing frame along the height direction. The lifting mechanism is fixed to the hot pressing frame, and its output end is connected to the substrate. The pressing plate is located below the substrate and is slidably connected to the substrate along the height direction. An elastic element is also connected between the pressing plate and the substrate, and the elastic element is used to provide an elastic force that moves the pressing plate and the substrate away from each other. The heating plate is fixed to one side of the top surface of the pressing plate. The pressure bearing seat is fixedly connected to the hot pressing frame and located below the pressing plate.

3. The sealing machine according to claim 1, characterized in that: The film feeding assembly includes a support frame, on which a base plate and a film exit platform are fixed along the film feeding direction. The upstream side of the base plate is inclined and bent upwards, and has a film groove for placing the film sheet. A pressure roller and a film feeding roller are rotatably connected to the support frame along the film feeding direction. The pressure roller is located on the upper side of the base plate, and the film feeding roller is located between the base plate and the film exit platform. A pressure plate is fixedly connected to the pressure roller, and a gap is provided between the pressure plate and the base plate for the film sheet to pass through. A film pressing roller is rotatably connected to the free end of the pressure plate, and the film pressing roller is arranged opposite to the film feeding roller. The pressure plate is equipped with a first elastic element for pressing the film pressing roller against the film feeding roller. The film feeding assembly also includes a film feeding frame and a film feeding roller. The film feeding roller is rotatably connected to one end of the film feeding frame, and the other end of the film feeding frame is rotatably connected to the support frame. The film feeding roller is used to scoop the film sheet out of the film groove. A first central gear is rotatably connected to the support frame. The first central gear meshes with a first planetary gear. A first swing frame is connected between the first central gear and the first planetary gear. The first central gear is also connected to the film-feeding roller. The first planetary gear is used to drive the film-feeding roller to rotate.

4. The sealing machine according to claim 3, characterized in that: The film-collecting roller is fixed with an end gear, and the support frame is rotatably connected with a first intermediate gear. The film-collecting frame is rotatably connected with three sequentially meshing transmission gears. The three transmission gears are used to transmit torque between the first intermediate gear and the end gear. The first intermediate gear is adapted to the first planetary gear on the first rocking frame.

5. The sealing machine according to claim 3, characterized in that: The film feeding assembly also includes a separation shaft rotatably connected to the support frame. The separation shaft is located on the lower side of the base plate, and a separation claw is fixed on the separation shaft. The base plate has a through hole for the separation claw to pass through. A separation gear is rotatably connected to the support frame, and a connecting rod structure is eccentrically connected to the separation gear. A swing arm connected to the connecting rod structure is fixed on the separation shaft. A second central gear is rotatably connected to the support frame. The second central gear meshes with two second planetary gears. A second swing frame is connected between the two second planetary gears. The second central gear is also connected to the film-feeding roller. A second intermediate gear is rotatably connected to the support frame, and the second intermediate gear is used to transmit torque between the separation gear and the second planetary gear.

6. The sealing machine according to claim 5, characterized in that: The linkage structure includes a linkage body, a slider, and a second elastic element. The slider is slidably connected to the linkage body along the axial direction. The slider is eccentrically connected to the separation gear. The second elastic element is used to move the slider toward the direction close to the separation shaft.

7. The sealing machine according to claim 5, characterized in that: The first central gear and the second central gear are coaxially fixedly arranged, and a third intermediate gear is rotatably connected to the support frame. The third intermediate gear is used to transmit torque between the second central gear and the film-feeding roller.

8. The sealing machine according to claim 5, characterized in that: The separating claws are multiple and spaced apart along the axial direction, and the corresponding perforations are provided on the base plate.

9. The sealing machine according to claim 4, characterized in that: The film outlet platform is provided with a film outlet, and a film outlet wheel and a film guide wheel are rotatably connected to the film outlet and arranged in a vertically opposite manner. There are multiple pairs of film outlet wheels and film guide wheels, which are arranged at intervals along the axial direction. The film guide wheels are all fixedly mounted on the film outlet roller. The film outlet roller is rotatably connected to the support frame, and the film outlet roller and the film guide roller are connected in a driving connection.

10. The sealing machine according to claim 1, characterized in that: It also includes a housing fixedly connected to the base; the housing has an opening for the base to enter and exit, a door is pivotally connected to the opening, a reset member is connected between the door and the housing, the reset member is used to keep the door in a normally closed state; the housing also has a membrane feeding port for adding a membrane to the membrane feeding assembly.

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