Full-automatic heat sealing film instrument

Abstract

The utility model provides a full-automatic film heat-sealing instrument which comprises a film supply mechanism, a film heat-sealing mechanism and a film heat-sealing mechanism, the film cutting mechanism is used for cutting a film; the hot pressing mechanism is used for fixing the membrane on the product; the film conveying mechanism is used for conveying a film; and the film feeding mechanism is configured to convey the film provided by the film supply mechanism to the film cutting mechanism for film cutting, and convey the cut part of the film to the hot pressing mechanism for heat sealing of the film and a product. According to the heat sealing film instrument, the heat sealing film can be automatically conveyed, and the automation degree of film sealing is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of film sealing instruments, and more specifically, to a fully automatic heat film sealing instrument. Background Art

[0002] In the daily preparation of liquid samples in the laboratory, it is often encountered that the liquid samples to be tested are added to the multi-well plate. According to the needs of modern laboratory liquid sample preparation, the liquid handling workstation may oscillate or heat the multi-well plate, etc. In order to prevent liquid overflow, evaporation or loss, etc., a layer of film will be heat-sealed on the multi-well plate, and then the samples will be encapsulated in their respective tubes through the film sealing operation.

[0003] Thermal film sealers are widely used in the processing of biochemical samples in the fields of disease control, forensic identification, genomics, etc. At present, semi-automatic thermal film sealers are mainly used in biochemical laboratories, and the cut aluminum film is placed manually. However, manual operation is time-consuming and laborious when a large number of samples need to be processed. Utility Model Content

[0004] In view of the above problems, the utility model provides a fully automatic heat-sealing film instrument which can realize automatic conveying of heat-sealing films and improve the degree of automation of film sealing.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] The utility model provides a fully automatic heat-sealing film instrument, comprising:

[0007] A film supply mechanism for providing a film;

[0008] A film cutting mechanism for cutting the film;

[0009] A heat press mechanism to secure the membrane to the product; and

[0010] A film conveying mechanism for conveying the film;

[0011] The film conveying mechanism is configured to convey the film provided by the film supply mechanism to the film cutting mechanism for film cutting, and to convey the cut portion of the film to the heat pressing mechanism for heat sealing of the film and the product.

[0012] Preferably, the film conveying mechanism includes a first driving member and a fixing structure for fixing the free end of the film; the first driving member can drive the fixing structure to reciprocate in a horizontal direction so that the film can be conveyed to the film cutting mechanism and the hot pressing mechanism.

[0013] The preferred solution is that the fully automatic heat sealing device further comprises a horizontally arranged slide rail; the fixed structure comprises a driving mechanism and a clamping member arranged on the driving end of the driving mechanism for clamping the film; the driving mechanism is arranged on the slide rail through a slider; the first driving member can drive the driving mechanism to reciprocate on the slide rail.

[0014] The preferred solution is that the film cutting mechanism includes a second driving member, a cutting member fixed on the driving end of the second driving member and a crimping member for pressing down and fixing the film; when the film is fixed by the crimping member, the second driving member can drive the cutting member to move downward to cut the film.

[0015] The preferred solution is that the crimping member includes a guide shaft passing through the driving end of the second driving member, a stopper fixed to one end of the guide shaft, an elastic member sleeved on the guide shaft and a pressing block fixed to the other end of the guide shaft; the elastic member is located between the pressing block and the driving end of the second driving member; the second driving member can drive the cutting member and the pressing block to rise and fall;

[0016] When the pressing block moves downward to contact the diaphragm and compresses the elastic member, the diaphragm is pressed downward and fixed by the pressing block, and the cutting member can continue to move downward under the drive of the second driving member to cut the diaphragm.

[0017] The preferred solution is that the film cutting mechanism also includes a cutting seat corresponding to the cutting piece and a third driving member for driving the cutting seat to reciprocate along the film conveying direction; an opening is formed on the cutting seat, and when the cutting piece cuts the film, the cutting piece will be inserted into the opening.

[0018] A preferred solution is that the hot pressing mechanism includes a fourth driving member, a transmission assembly connected to the driving end of the fourth driving member, and a hot pressing assembly for hot pressing the membrane; the fourth driving member is configured to drive the hot pressing assembly to rise and fall through the transmission assembly to press the membrane downward.

[0019] A preferred solution is that the hot pressing assembly includes a connecting plate fixed to the transmission assembly, an insulating block floatably arranged on the connecting plate, and a heating block fixed to the insulating block; the heating block can contact and press down the diaphragm under the drive of the fourth driving member and the transmission assembly to heat-seal the diaphragm and the product.

[0020] A preferred solution is that the film feeding mechanism includes a support frame and a support shaft and a transfer shaft rotatably arranged on the support frame; the film is wound on the support shaft and the free end of the film can enter the film feeding mechanism after passing through the transfer shaft.

[0021] The preferred solution is that the fully automatic heat-sealing film instrument also includes a shell; the film cutting mechanism, the heat pressing mechanism and the film feeding mechanism are all arranged in the shell; and a conveying structure for carrying the product and conveying the heat-sealed product to the outside of the shell; the conveying structure includes a conveying plate for carrying and fixing the product and a fifth driving member for driving the conveying plate in and out of the shell.

[0022] The beneficial effects of the utility model are:

[0023] The utility model transmits the film provided by the film supply mechanism to the film cutting mechanism for film cutting, and transmits the cut part of the film to the hot pressing mechanism for heat sealing of the film and the product through the cooperation among the film supply mechanism, the film cutting mechanism, the hot pressing mechanism and the film feeding mechanism. In practical applications, in addition to the film sealing function, it also has the function of cutting the film, and the overall structure is simple, the operation is convenient, and it is easy to integrate and realize automation, and the film sealing is fast and accurate; the film on the film supply mechanism does not need a base film, and a layer of aluminum film can be directly cut, which saves the use of consumables; the hot film sealing instrument has high compatibility, can seal various types of orifice plates, does not require an external air source, is purely electrically controlled, and is suitable for laboratories and other scenarios. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] The specific implementation of the utility model is further described in detail below with reference to the accompanying drawings.

[0025] Figure 1 It is one of the overall structural schematic diagrams of the utility model.

[0026] Figure 2 This is the second schematic diagram of the overall structure of the utility model.

[0027] Figure 3 It is a schematic diagram of the cooperation between the film feeding mechanism and the conveying structure of the utility model.

[0028] Figure 4 It is a structural schematic diagram of the film cutting mechanism of the utility model.

[0029] Figure 5 It is a structural schematic diagram of the hot pressing mechanism of the utility model.

[0030] Reference numerals:

[0031] 1. Film supply mechanism; 2. Film cutting mechanism; 3. Hot pressing mechanism; 50. Aluminum film; 11. Support frame; 12. Support shaft; 13. Transfer shaft; 14. Pressing shaft; 15. Pressing roller; 16. Baffle plate; 17. Locking plate; 18. Support plate; 21. Second driving member; 22. Cutter; 23. Guide shaft; 24. Limiting member; 25. Elastic member; 26. Pressing block; 27. Bottom knife; 28. Third driving member; 29. ​​Guide rail; 31. Fourth driving member; 32. Fixed plate; 331. Tensioning wheel; 332 , screw rod; 333 screw rod nut; 335, transmission belt; 336, connecting plate; 337, insulation block; 338, heating block; 339, heater; 34, connecting shaft; 35, linear bearing; 36, spring; 41, first driving member; 42, slide rail; 43, electric clamp; 44, clamp toe; 51, shell; 52, fifth driving member; 53, transmission plate; 54, side plate; 55, door panel; 56, roller; 57, limiting protrusion; 58; anti-slip foot pad; 59 touch screen; 60, porous plate. DETAILED DESCRIPTION

[0032] Various exemplary embodiments of the present invention will now be described in detail with reference to the accompanying drawings. It should be noted that unless otherwise specifically stated, the relative arrangements of components and steps, numerical expressions and numerical values ​​set forth in these embodiments do not limit the scope of the present invention.

[0033] The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses.

[0034] Techniques and equipment known to ordinary technicians in the relevant art may not be discussed in detail, but where appropriate, the techniques and equipment should be considered part of the specification.

[0035] In all examples shown and discussed herein, any specific values ​​should be interpreted as merely exemplary and not as limiting. Therefore, other examples of the exemplary embodiments may have different values.

[0036] It should be noted that like reference numerals and letters refer to similar items in the following figures, and therefore, once an item is defined in one figure, it need not be further discussed in subsequent figures.

[0037] In order to realize the automatic conveying of heat-sealed film and improve the degree of automation of film sealing. Figures 1 to 5As shown, the fully automatic heat-sealing film instrument specifically comprises: a film supply mechanism 1 for providing a film sheet, which can be an aluminum film 50; a film cutting mechanism 2 for cutting the film sheet, which can cut the aluminum film 50 according to the actual required length; a heat pressing mechanism 3 for fixing the film sheet on the product; and a film feeding mechanism for conveying the film sheet; the film feeding mechanism is configured to convey the film sheet provided by the film supply mechanism 1 to the film cutting mechanism 2 for film cutting, and to convey the cut part of the film sheet to the heat pressing mechanism 3 for heat sealing between the film sheet and the product, and also That is, when the membrane is transported to the film cutting mechanism 2, the film cutting mechanism 2 can cut the membrane according to the required film length so that the cut part of the membrane meets the size requirements. Then the membrane that meets the size requirements is transported to the upper position of the product and the hot pressing mechanism 3 is used to hot press the section of the membrane onto the product for heat sealing. The product can be a porous plate 60. The heat-sealed porous plate 60 can prevent the liquid therein from overflowing, evaporating or being lost when performing operations such as shaking or heating. The above-mentioned entire process can be carried out automatically, thereby improving the degree of automation of film sealing.

[0038] In the above embodiment, regarding the specific structure of the film supply mechanism 1, the film supply mechanism 1 includes a support frame 11 and a support shaft 12 and a rotating shaft 13 rotatably arranged on the support frame 11; the film is wound on the support shaft 12 and the free end of the film can enter the film feeding mechanism after passing through the rotating shaft 13; two locking plates 17 are fixedly arranged on the support shaft 11, and the film is wound on the part of the support shaft 12 between the two locking plates 17. The stable winding and unwinding of the film can be achieved through the restriction of the locking plates 17. The free end of the film will enter the film feeding mechanism through the film entrance after passing through the rotating shaft 13. A rotatable pressing shaft 14 and a pressing roller 15 are provided at the film entrance to limit the downward pressure of the film, which can flatten the aluminum film 50 so that the aluminum film 50 remains flat after entering the film feeding mechanism.

[0039] In a specific embodiment, the film cutting mechanism 2 includes a second driving member 21, a cutting member fixed on the driving end of the second driving member 21, and a crimping member for pressing down to fix the film; the above-mentioned cutting member can be a cutter 22, and the cutting end of the cutter 22 is serrated, which can prevent adhesion when cutting the film; when the film is fixed by the crimping member, the second driving member 21 can drive the cutter 22 to move downward to cut the film, and the crimping member can first crimp and fix the film to ensure that the cutter 22 can accurately cut the film at the corresponding position directly below the cutter 22 at one time; the above-mentioned second driving member 21 can be an electric cylinder, and the cutter 22 is fixed to the end of the cylinder rod of the electric cylinder.

[0040] More specifically, regarding the specific structure of the crimping member, the crimping member includes a guide shaft 23 that passes through the driving end of the second driving member 21, a stopper 24 that is fixed to one end of the guide shaft 23, an elastic member 25 that is sleeved on the guide shaft 23, and a pressure block 26 that is fixed to the other end of the guide shaft 23; the guide shaft 23 can drive the pressure block 26 to move in the vertical direction; the elastic member 25 is located between the pressure block 26 and the driving end of the second driving member 21; the second driving member 21 can drive the cutter 22 and the pressure block 26 to move up and down; when the second driving member 21 is The component 21 drives the cutter 22 and the pressure block 26 to move downward synchronously until the pressure block 26 contacts the diaphragm and compresses the elastic component 25 to a certain extent, and then the pressure block 26 stops moving, and the diaphragm is pressed down and fixed by the pressure block 26. The cutter 22 can continue to move downward under the drive of the second driving component 21 to cut the diaphragm into two sections; the number of the crimping components is two; the two crimping components are arranged along the conveying direction of the diaphragm on the film feeding mechanism and are respectively arranged on two opposite sides of the cutter 22 to ensure the stability of the pressed diaphragm, and the conveying direction of the diaphragm on the film feeding mechanism is horizontal.

[0041] Furthermore, the film cutting mechanism 2 also includes a cutting seat corresponding to the cutter 22 and a third driving member 28 for driving the cutting seat to reciprocate along the film conveying direction; the above-mentioned cutting seat can be a bottom knife 27; an opening is formed on the bottom knife 27, and the film will be pressed down and fixed on the bottom knife 27 by the pressure block 26. When the cutter 22 cuts the film, the cutter 22 will be inserted into the opening to ensure that the cutter 22 can smoothly cut the film. The third driving member 28 can be a push rod motor, and the bottom knife 27 can be slidably configured on the guide rail 29. The bottom knife 27 is fixed to the push rod end of the push rod motor. The push rod motor can convert the motor rotation motion into a linear reciprocating motion of the push rod, thereby pushing the bottom knife 27 to move in the horizontal direction to achieve avoidance of the film feeding mechanism.

[0042] In a specific embodiment, the hot pressing mechanism 3 includes a fourth driving member 31, a transmission assembly connected to the driving end of the fourth driving member 31, and a hot pressing assembly for hot pressing a diaphragm; the fourth driving member 31 is configured to drive the hot pressing assembly to rise and fall through the transmission assembly so as to be pressed onto the diaphragm so that the diaphragm and the product are heat-sealed. The fourth driving member 31 can be a brake motor, which has the characteristics of high precision, rapid braking, accurate positioning, safety and reliability, and can ensure that the hot pressing assembly will not damage the diaphragm and the product underneath during film pressing; the fourth driving member 31 can also be a cylinder, in which case the hot pressing assembly can be directly fixed on the cylinder rod; the fourth driving member 31 can also be a push rod motor, in which case the hot pressing assembly can be directly fixed on the push rod.

[0043] Furthermore, the fully automatic heat sealing film apparatus also includes a fixed plate 32 for carrying and fixing the fourth driving member 31; the transmission assembly includes a tensioning wheel 331 rotatably arranged on the fixing plate 32, a screw rod 332, a screw nut 333 screwed on the screw rod 332, a transmission wheel and a transmission belt 335 fixed to the screw rod 332 and rotatably arranged on the fixing plate 32; the fourth driving member 31 can drive the tensioning wheel 331 and the transmission wheel to rotate synchronously through the transmission belt 335 so that the screw nut 333 can move on the screw rod 332 along the axial direction of the screw rod 332, that is, a brake motor is used to drive multiple screw rods 332 to rotate synchronously through the transmission belt 335, thereby driving the hot pressing assembly to rise and fall to achieve heat sealing of the film and the product; the hot pressing assembly includes a connecting plate 336 fixed to the screw nut 333, which can be floatingly configured on the connecting plate 336 The heat insulating block 337 and the heating block 338 fixed to the heat insulating block 337; the heating block 338 is used to contact and press down the diaphragm to make the diaphragm and the product heat-sealed, and a heater 339 is arranged in the heating block 338, and the heating block 338 is heated by the heater 339, and the heat insulating block 337 can block the heating block 338 to ensure that the heat of the heating block 338 will not be conducted upward; by arranging a liftable connecting shaft 34 on the connecting plate 336, and sleeved with a spring 36 on the connecting shaft 34, a linear bearing 35 is arranged at the upper end of the connecting shaft 34 for limiting, and the lower end is fixed to the heat insulating block 337, and the spring 36 is located between the connecting plate 336 and the heat insulating block 337, so that the floating setting of the heating block 338 is realized, and the spring 36 can provide a certain contact buffer and a certain downward pressure preload force to ensure the comprehensive floating contact between the heating block 338 and the diaphragm.

[0044] In a specific embodiment, the film feeding mechanism includes a first driving member 41 and a fixed structure for fixing the free end of the diaphragm; the first driving member 41 can drive the fixed structure to reciprocate in the horizontal direction so that the diaphragm can be transmitted to the position of the film cutting mechanism 2 and the hot pressing mechanism 3; the first driving member 41 can be a screw motor, and the screw motor drives the screw nut and the fixed structure to realize the reciprocating movement of the fixed structure in the horizontal direction. The film feeding mechanism is also provided with a baffle 16 near the entrance of the diaphragm to limit the diaphragm to ensure that the diaphragm is in a horizontal state and does not bend.

[0045] More specifically, the fully automatic heat sealing device also includes a horizontally arranged slide rail 42; the fixed structure includes an electric clamp 43 and two clamping toes 44 arranged on the driving end of the electric clamp 43 for clamping the film; the electric clamp 43 is arranged on the slide rail 42 through a slider; the first driving member 41 can drive the electric clamp 43 to reciprocate on the slide rail 42, and when the clamping toes 44 clamp one end of the film, the screw motor can drive the electric clamp 43 to move on the slide rail 42 so as to transport the clamped film to the film cutting mechanism and the hot pressing mechanism respectively for corresponding operations; in addition, without considering the size of the occupied space, the fixed structure can also be a suction cup, which can absorb and fix the film by cooperating with the vacuum pumping equipment and move under the drive of the screw motor, and the first driving member 41 can also be replaced by a cylinder.

[0046] In a specific embodiment, the fully automatic heat-sealing film instrument also includes a shell 51, and the interior of the shell 51 includes two side panels 54 for fixing various functional mechanisms; the film cutting mechanism 2, the heat pressing mechanism 3 and the film feeding mechanism are all arranged in the shell 51 and are all located between the two side panels 54; and a conveying structure for carrying products and conveying the heat-sealed products to the outside of the shell 51; the conveying structure includes a conveying plate 53 for carrying and fixing products and a fifth driving member 52 for driving the conveying plate 53 in and out of the shell, a reversible door panel 55 that is normally closed in a natural state is formed on the shell 51, and a rotatable roller 56 is formed on the conveying plate 53, and the fifth driving member 52 can drive the conveying plate 53 to move outside the shell 51, and the door panel 55 is pushed open after the roller 56 contacts the door panel 55, and the roller 56 is rotated. 56 rolls on the surface of the door panel 55 and finally pushes the door panel 55 open completely, and the conveying plate 53 drives the heat-sealed product to move to the outside of the shell 51; an annular limiting protrusion 57 for limiting and fixing the product is formed on the conveying plate 53, which can prevent the product from moving when the conveying plate 53 moves; the support frame 11 of the film supply mechanism 1 is fixed to the side plate 54 through the support plate 18, and the film roll and the support frame 11 are both outside the shell 51, which is convenient for directly observing the remaining film roll and the roll replacement; anti-slip foot pads 58 are arranged on the corners of the bottom wall of the shell 51; a touch screen 59 is also installed on the shell 51, which is convenient for the operator to observe and control the working status of the full-automatic heat-sealing device; all the above-mentioned driving parts of the present application can be set as pure electric control mechanisms, which do not occupy additional space and are easy to operate.

[0047] In a specific implementation process, the aluminum film passes through the film entrance and reaches the film feeding mechanism. The electric clamp 43 drives the clamp toe 44 to move and clamp the aluminum film and move forward horizontally under the drive of the screw motor. The electric cylinder drives the pressure block 26 to press down. The pressure block 26 presses the aluminum film and fixes it on the bottom knife 27. The electric cylinder drives the cutter 22 to continue to descend. The cutter 22 cuts the aluminum film and inserts it into the opening in the middle of the bottom knife 27, thereby cutting the aluminum film into a suitable length. The electric cylinder drives the cutter 22 and the pressure block 26 to move up and away from the bottom knife 27. The screw motor drives the electric clamp 43 to continue to move forward to above the porous plate 60, and the brake The motor of the car rotates, driving the screw rod 332 to rotate through the transmission belt 335, and the screw nut 333 is fixed to the connecting plate 336 and descends with the rotation of the screw rod 332. The heating block 338 descends to above the aluminum film and the porous plate 60, and the heating block 338 continues to press down and heat the membrane to press and seal the film. After completion, the heating block 338 rises, and the push rod motor drives the bottom knife 27 to move horizontally backward to avoid it, and the screw motor drives the electric clamp 43 to move backward to clamp the film for the next cycle. At the same time, the fifth drive member 52 drives the conveying plate 53 to move, and the porous plate 60 with the sealed film is moved forward and sent out of the shell 51.

[0048] To sum up, the utility model transmits the film provided by the film supply mechanism to the film cutting mechanism for film cutting, and transmits the cut part of the film to the hot pressing mechanism for heat sealing of the film and the product through the cooperation among the film supply mechanism, the film cutting mechanism, the hot pressing mechanism and the film feeding mechanism. In practical applications, in addition to the film sealing function, it also has the function of cutting the film, and the overall structure is simple, the operation is convenient, and it is easy to integrate and realize automation, and the film sealing is fast and accurate; the film on the film supply mechanism does not require a base film, and a layer of aluminum film can be directly cut, saving the use of consumables; the heat sealing film instrument has high compatibility, can seal various types of orifice plates, does not require an external gas source, is purely electrically controlled, and is suitable for laboratories and other scenarios.

[0049] Obviously, the above embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not limitations on the implementation methods of the present invention. For ordinary technicians in the relevant field, other different forms of changes or modifications can be made based on the above description. It is impossible to list all the implementation methods here. All obvious changes or modifications derived from the technical solution of the present invention are still within the scope of protection of the present invention.

Claims

1. A fully automatic heat-sealing film instrument, characterized in that: include: A film supply mechanism for providing a film; A film cutting mechanism for cutting the film; A heat-pressing mechanism for fixing the membrane to the product; as well as A film conveying mechanism for conveying film sheets; The film conveying mechanism is configured to convey the film provided by the film supply mechanism to the film cutting mechanism for film cutting, and convey the cut portion of the film to the heat pressing mechanism for heat sealing of the film and the product; The film cutting mechanism comprises a second driving member, a cutting member fixed on the driving end of the second driving member, and a crimping member for pressing and fixing the film; when the film is fixed by the crimping member, the second driving member can drive the cutting member to move downward to cut the film; The crimping member includes a guide shaft passing through the driving end of the second driving member, a stopper fixed to one end of the guide shaft, an elastic member sleeved on the guide shaft, and a pressing block fixed to the other end of the guide shaft; the elastic member is located between the pressing block and the driving end of the second driving member; the second driving member can drive the cutting member and the pressing block to rise and fall; When the pressing block moves downward to contact the diaphragm and compresses the elastic member, the diaphragm is pressed downward and fixed by the pressing block, and the cutting member can continue to move downward under the drive of the second driving member to cut the diaphragm.

2. The fully automatic heat-sealing film instrument according to claim 1, characterized in that: The film conveying mechanism includes a first driving member and a fixing structure for fixing the free end of the film; the first driving member can drive the fixing structure to reciprocate in the horizontal direction so that the film can be conveyed to the film cutting mechanism and the hot pressing mechanism.

3. The fully automatic heat-sealing film instrument according to claim 2, characterized in that: The fully automatic heat-sealing film instrument also includes a horizontally arranged slide rail; the fixed structure includes a driving mechanism and a clamping member configured on the driving end of the driving mechanism for clamping the film; the driving mechanism is configured on the slide rail through a slider; the first driving member can drive the driving mechanism to reciprocate on the slide rail.

4. The fully automatic heat-sealing film instrument according to claim 1, characterized in that: The film cutting mechanism also includes a cutting seat corresponding to the cutting piece and a third driving member for driving the cutting seat to reciprocate along the film conveying direction; an opening is formed on the cutting seat, and when the cutting piece cuts the film, the cutting piece will be inserted into the opening.

5. The fully automatic heat-sealing film instrument according to claim 1, characterized in that: The hot pressing mechanism includes a fourth driving member, a transmission assembly connected to the driving end of the fourth driving member, and a hot pressing assembly for hot pressing the film; the fourth driving member is configured to drive the hot pressing assembly to rise and fall through the transmission assembly to press the film downward.

6. The fully automatic heat-sealing film instrument according to claim 5, characterized in that: The hot pressing assembly includes a connecting plate fixed to the transmission assembly, an insulating block floatably arranged on the connecting plate, and a heating block fixed to the insulating block; the heating block can contact and press down the diaphragm under the drive of the fourth driving member and the transmission assembly to heat-seal the diaphragm and the product.

7. The fully automatic heat-sealing film instrument according to claim 1, characterized in that: The film supply mechanism comprises a support frame, a support shaft and a transfer shaft rotatably arranged on the support frame; the film is wound on the support shaft and the free end of the film can enter the film supply mechanism after passing through the transfer shaft.

8. The fully automatic heat-sealing film instrument according to claim 1, characterized in that: The fully automatic heat-sealing film instrument also includes a shell; the film cutting mechanism, the heat pressing mechanism and the film feeding mechanism are all arranged in the shell; and a conveying structure for carrying the product and conveying the heat-sealed product to the outside of the shell; the conveying structure includes a conveying plate for carrying and fixing the product and a fifth driving member for driving the conveying plate in and out of the shell.

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