CN220076746U - Heat sealing device for cutting heat sealing film - Google Patents
Heat sealing device for cutting heat sealing film Download PDFInfo
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- CN220076746U CN220076746U CN202320307792.1U CN202320307792U CN220076746U CN 220076746 U CN220076746 U CN 220076746U CN 202320307792 U CN202320307792 U CN 202320307792U CN 220076746 U CN220076746 U CN 220076746U
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- heat sealing
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- 238000007789 sealing Methods 0.000 title claims abstract description 52
- 238000010438 heat treatment Methods 0.000 claims abstract description 42
- 238000003825 pressing Methods 0.000 claims description 87
- 238000009413 insulation Methods 0.000 claims description 13
- 238000005485 electric heating Methods 0.000 claims description 10
- 230000006835 compression Effects 0.000 claims description 7
- 238000007906 compression Methods 0.000 claims description 7
- 238000007665 sagging Methods 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 3
- 239000012528 membrane Substances 0.000 abstract description 7
- 239000002184 metal Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000009529 body temperature measurement Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000033001 locomotion Effects 0.000 description 2
- -1 polytetrafluoroethylene Polymers 0.000 description 2
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 2
- 239000004810 polytetrafluoroethylene Substances 0.000 description 2
- 239000004809 Teflon Substances 0.000 description 1
- 229920006362 Teflon® Polymers 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
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Abstract
The utility model relates to a heat sealing device for cutting a heat sealing film, which comprises a portal frame, an objective table and a heat sealing cutting assembly; the portal frame is provided with two supporting legs and a transverse plate positioned at the upper ends of the supporting legs, and the objective table is arranged between the two supporting legs; the heat-seal cutting assembly comprises a vertical driving mechanism, a fixed plate, an elastic piece, a heating plate and a cutting knife; the vertical actuating mechanism sets up in the transverse plate, and the fixed plate is connected in vertical actuating mechanism's drive end, and the hot plate sets up in the fixed plate below, and the elastic component sets up between fixed plate and hot plate, and the hot plate just sets up to the objective table, and the cut-off knife sets up in the fixed plate below and is located one side of hot plate, and the cutting edge of cut-off knife sets up downwards, and it can realize the cutting of heat-seal membrane when the heat-seal, and two kinds of functions are accomplished simultaneously to a device, the whole occupation space of device has effectually been reduced, has reduced the device volume, and the heat-seal is realized with cutting to a stroke, has greatly shortened the envelope cycle, has improved work efficiency.
Description
Technical Field
The utility model relates to the technical field of medical clinical experiment auxiliary equipment, in particular to a heat sealing device for cutting a heat sealing film.
Background
After the sample is collected, the PCR porous plate needs to be subjected to film sealing treatment, in order to realize continuous film sealing operation of the PCR porous plate, a rolled film continuous unreeling mode is generally adopted at present, and then the unreeled heat sealing film is cut and then sequentially heat-sealed on the PCR porous plate, wherein a cutting device and a heat sealing device are completely separated, a large working space is needed, the miniaturization and the portability of the device are disadvantageous, and the cutting and the heat sealing process are separated, so that the working period is prolonged, and the working efficiency is low.
Disclosure of Invention
Based on the above expression, the utility model provides a heat sealing device for cutting a heat sealing film, which aims to solve the technical problems of large equipment volume and low working efficiency caused by separation of cutting and heat sealing procedures during film sealing operation in the prior art.
The technical scheme for solving the technical problems is as follows:
the heat sealing device for cutting the heat sealing film is characterized by comprising a portal frame, an objective table and a heat sealing cutting assembly;
the portal frame is provided with two supporting legs and a transverse plate positioned at the upper ends of the supporting legs, and the objective table is arranged between the two supporting legs;
the heat-seal cutting assembly comprises a vertical driving mechanism, a fixed plate, an elastic piece, a heating plate and a cutting knife; the utility model discloses a cutting machine, including vertical actuating mechanism, fixed plate, heating plate, objective table, fixed plate, vertical actuating mechanism set up in the transverse plate, the fixed plate connect in vertical actuating mechanism's drive end, the heating plate set up in the fixed plate below, the elastic component set up in the fixed plate with between the heating plate, the heating plate is just right the objective table sets up, the cut-off knife set up in the fixed plate below is located one side of heating plate, the cutting edge of cut-off knife sets up downwards, the height of the lower terminal surface of heating plate under the nature sagging state is located the top of cutting edge.
Compared with the prior art, the technical scheme of the utility model has the following beneficial technical effects:
this device adopts the heat-seal and cuts the structural style of integral type design, in the heat-seal, can realize the cutting of heat-seal membrane, and an device accomplishes two kinds of functions simultaneously, and the whole occupation space of device has been effectually reduced, has reduced the device volume, and one stroke realizes heat-seal and cuts, has greatly shortened the envelope cycle, has improved work efficiency.
On the basis of the technical scheme, the utility model can be improved as follows.
Further, the heating plate comprises an upper pressing plate, an electric heating film and a lower pressing plate, wherein the upper pressing plate is connected to the lower end of the elastic piece, the lower pressing plate is correspondingly connected to the lower end of the upper pressing plate, and the electric heating film is clamped between the upper pressing plate and the lower pressing plate.
Further, the heating plate further comprises a temperature fuse, the temperature fuse is arranged between the upper pressing plate and the lower pressing plate, and the electric heating film is electrically connected with the temperature fuse.
Further, the heating plate further comprises a temperature sensor, the thickness of the upper pressing plate is the same as that of the lower pressing plate, and the upper pressing plate and the lower pressing plate are made of the same material, and the temperature sensor is connected to the upper end of the upper pressing plate.
Further, still include press mold assembly and advance the membrane backing plate, advance the membrane backing plate set up in one side of objective table, press mold assembly connect in the cut-off knife deviates from one side of hot plate, press mold assembly corresponds advance the membrane backing plate setting for with heat-seal membrane compress tightly in advance on the membrane backing plate.
Further, the film pressing assembly comprises a guide shaft, a sleeve spring, a blanking pressing plate, a heat insulation pressing plate and a film pressing pad, wherein the guide shaft is connected to the fixing plate in a lifting mode, the sleeve spring is sleeved on the guide shaft and connected with the lower end of the guide shaft and between the fixing plates, the blanking pressing plate is connected with the lower end of the guide shaft, the film pressing pad is arranged below the blanking pressing plate, and the heat insulation pressing plate is arranged between the film pressing pad and the blanking pressing plate.
Further, in the natural sagging state, the distance between the lower end surface of the film pressing pad and the upper end surface of the film feeding base plate is smaller than the distance between the lower end surface of the heating plate and the upper end surface of the objective table.
Further, the elastic piece comprises a plurality of guide posts and compression springs correspondingly sleeved on the guide posts, the lower ends of the guide posts are connected with the upper ends of the heating plates, the upper ends of the guide posts movably penetrate through the fixing plates, and the two ends of the compression springs are fixedly connected with the fixing plates and the heating plates respectively.
Further, the vertical driving mechanism comprises a motor mounting bracket, a screw rod motor, a nut seat, a linear guide rail and a mounting seat, wherein the motor mounting bracket is arranged at the upper end of the transverse plate, the screw rod motor is arranged on the motor mounting bracket, the screw rod is vertically downwards arranged, the linear guide rail is vertically arranged on the motor mounting bracket, the nut seat is connected to the screw rod and slides in cooperation with the linear guide rail, the mounting seat is connected to the nut seat, and the lower end of the mounting seat is connected with the heating plate through a heat insulation block.
Further, the mounting seat is provided with a zero-position touch plate, the motor mounting bracket is provided with a distance sensor, and when the mounting seat is positioned at an initial position, the zero-position touch plate is positioned at the zero position of the sensor.
Drawings
Fig. 1 is a schematic structural view of a heat sealing device for cutting a heat sealing film according to an embodiment of the present utility model;
FIG. 2 is a schematic diagram of a heat seal cutting assembly according to an embodiment of the present utility model;
FIG. 3 is a schematic view of the structure of FIG. 2 from another perspective;
FIG. 4 is a schematic diagram of an end view of FIG. 1;
fig. 5 is a schematic view of the overall structure of the vertical driving mechanism in the present embodiment;
fig. 6 is a schematic view of the internal structure of the vertical driving mechanism in this embodiment.
Detailed Description
In order that the utility model may be readily understood, a more complete description of the utility model will be rendered by reference to the appended drawings. Embodiments of the utility model are illustrated in the accompanying drawings. This utility model may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model.
It will be appreciated that spatially relative terms such as "under … …," "under … …," "below," "under … …," "over … …," "above," and the like may be used herein to describe one element or feature's relationship to another element or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use and operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements or features described as "under" or "beneath" other elements would then be oriented "on" the other elements or features. Thus, the exemplary terms "under … …" and "under … …" may include both an upper and a lower orientation. Furthermore, the device may also include an additional orientation (e.g., rotated 90 degrees or other orientations) and the spatial descriptors used herein interpreted accordingly.
It will be understood that when an element is referred to as being "connected" to another element, it can be directly connected to the other element or be connected to the other element through intervening elements. In the following embodiments, "connected" is understood to mean "electrically connected", "communicatively connected", and the like, if the connected circuits, modules, units, and the like have electrical or data transferred therebetween.
As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It will be further understood that the terms "comprises" and/or "comprising," and/or the like, specify the presence of stated features, integers, steps, operations, elements, components, or groups thereof, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, or groups thereof.
As shown in fig. 1 to 6, an embodiment of the present utility model provides a heat-seal film cutting heat-seal apparatus including a portal frame 10, a stage 20, a heat-seal cutting assembly 30, a film pressing assembly 40, and a film feeding backing plate 50.
The portal frame 10 is provided with two supporting legs 11 and a transverse plate 12 positioned at the upper ends of the supporting legs 11, the objective table 20 is arranged between the two supporting legs 11, and the upper end of the objective table 20 is used for placing a PCR porous plate.
The heat seal cutter assembly 30 includes a vertical driving mechanism 31, a fixing plate 32, an elastic member 33, a heating plate 34, and a cutter 35.
Wherein, vertical actuating mechanism 31 set up in horizontal board 12, fixed plate 32 connect in the drive end of vertical actuating mechanism 31, hot plate 34 set up in fixed plate 32 below, elastic component 33 set up in between fixed plate 32 with hot plate 34, hot plate 34 just set up to objective table 20, cut-off knife 35 through a knife rest 351 set up in fixed plate 32 below and be located one side of hot plate 34, the cutting edge of cut-off knife 34 sets up downwards.
Wherein the lower end surface of the heating plate 34 in a natural sagging state is positioned above the cutting edge, so that the lower end surface of the heating plate 34 is ensured to contact the heat-sealing film first, and then cutting is performed.
The embodiment device adopts a structural mode of heat sealing and cutting integrated design, can realize the cutting of a heat sealing film when in heat sealing, and has two functions, thereby effectively reducing the whole occupation space of the device, reducing the volume of the device, realizing heat sealing and cutting by one stroke, greatly shortening the sealing film period and improving the working efficiency.
In the embodiment of the utility model, the heating plate 34 includes an upper pressing plate 341, an electric heating film 342 and a lower pressing plate 343, the upper pressing plate 341 is connected to the lower end of the elastic member 33, the lower pressing plate 343 is correspondingly connected to the lower end of the upper pressing plate 341, and the electric heating film 342 is sandwiched between the upper pressing plate 341 and the lower pressing plate 343, where the lower surface of the lower pressing plate 343 is coated with a teflon coating, so that the heat-conducting performance is good, the adhesion between the lower pressing plate 343 and the heat-sealing film in the heat-sealing process is greatly reduced.
In order to ensure the safety during operation, the heating plate 34 further includes a temperature fuse 344, the temperature fuse 344 is disposed between the upper platen 341 and the lower platen 343, and the electric heating film 342 is electrically connected to the temperature fuse 344.
In order to precisely control the temperature of the heating plate 34, the heating plate 34 further includes a temperature sensor 345, the thickness of the upper pressing plate 341 and the thickness of the lower pressing plate 342 are the same and are made of the same material, the temperature sensor 345 is connected to the upper end of the upper pressing plate 341, and the surfaces of the electric heating film 342, the temperature fuse 344 and the temperature sensor 345 are coated with heat-conducting silicone grease, so that uniform heat transfer, safe heating and accurate temperature measurement are ensured.
The film feeding backing plate 50 is arranged on one side of the object stage 20, the film pressing assembly 40 is connected to one side of the cutting knife 35, which is away from the heating plate 34, the film pressing assembly 40 is arranged corresponding to the film feeding backing plate 50 and is used for pressing the heat sealing film on the film feeding backing plate 50, and the film pressing assembly 40 is used for pressing the part of the heat sealing film on the film feeding backing plate 50 and ensuring the smooth proceeding of the heat sealing and cutting work.
Specifically, the film pressing assembly 40 includes a guide shaft 41, a sleeve spring 42, a blanking pressing plate 43, a heat insulation pressing plate 44 and a film pressing pad 45, the guide shaft 41 is connected to the fixing plate 32 in a lifting manner, the sleeve spring 42 is sleeved on the guide shaft 41 and connected between the lower end of the guide shaft 41 and the fixing plate 32, the blanking pressing plate 43 is connected to the lower end of the guide shaft 41, the film pressing pad 45 is arranged below the blanking pressing plate 43, the heat insulation pressing plate 44 is arranged between the film pressing pad 45 and the blanking pressing plate 43, the heat insulation pressing plate 44 plays a role in heat insulation, the high temperature of the heating plate 34 is prevented from being transmitted to the heat sealing plate by metal parts, the heat sealing film is adhered during film pressing, the film pressing pad 45 is preferably a rubber pad, the rubber pad plays a role in buffering, the film is prevented from being crushed, the fixing plate 32 is pressed downwards, and the sleeve spring 42 stores enough pressure to ensure that the film pressing assembly 40 can effectively press the heat sealing film.
In the embodiment of the present utility model, in the naturally drooping state, the distance between the lower end surface of the film pressing pad 45 and the upper end surface of the film feeding pad 50 is smaller than the distance between the lower end surface of the heating plate 34 and the upper end surface of the stage 20, so that it is ensured that the film pressing pad 45 presses the heat-sealing film on the film feeding pad 50 firstly, and then the lower pressing plate 343 presses the heat-sealing film on the reaction plate and heat-seals, and finally, cutting is performed during the downward movement of the fixing plate 32.
In a preferred embodiment of the present utility model, the elastic member 33 includes four guide posts 331 and compression springs 332 correspondingly sleeved on the guide posts 331, the lower ends of the guide posts 331 are connected to the upper ends of the heating plates 34, the upper ends of the guide posts 331 movably penetrate through the fixing plates 32, two ends of the compression springs 332 are fixedly connected to the fixing plates 32 and the heating plates 34, respectively, and when in operation, the fixing plates 32 drive the heating plates 34 to descend, vertically press down, the compression springs 332 store enough pressing force, and the heating plates 34 effectively seal the PCR reaction plates on the stage 20 under high temperature and high pressure.
The vertical driving mechanism 31 may be a vertically driven cylinder, hydraulic cylinder or other actuating unit, in this embodiment, it includes a motor mounting bracket 311, a screw motor 312, a nut seat 313, a linear guide 314 and a mounting seat 315, where the motor mounting bracket 311 is disposed at the upper end of the transverse plate 12, preferably, the motor mounting bracket includes side plates located on three sides and a top plate located at the upper end of the side plates, the screw motor 312 is disposed on the top plate and the screw is disposed vertically downward, the linear guide 314 is vertically mounted on the side plate (i.e. the guide plate 316) located in the middle, the nut seat 313 is connected to the screw and slides in cooperation with the linear guide 314, the mounting seat 315 is connected to the nut seat 313, and the lower end of the mounting seat 315 is connected to the heating plate 34 through a heat insulation block 317.
The heat insulation block 317 is made of polytetrafluoroethylene, the heat conductivity coefficient of polytetrafluoroethylene is very low, high heat generated by the lower electric heating film 342 can be well isolated and transmitted to the upper linear guide rail 314, the screw motor 312 and other metal parts by metal, certain electromagnetic waves can be generated in the operation process of the screw motor 312, the electromagnetic waves are transmitted to the lower side by the metal screw, and the transmission of temperature measurement data signals of the temperature sensor 345 is interfered, so that the heat insulation block 317 also plays a certain electromagnetic shielding role.
In order to determine the pressing position of the heating plate 34 and control the periodical motion of heat sealing through the initial position, the mounting seat 315 is provided with a zero position touch plate 318, the motor mounting bracket 311 is provided with a distance sensor 319, when the mounting seat 315 is in the initial position, the zero position touch plate 318 is positioned at the zero position of the sensor 319, and the determination of the pressing position of the heating plate 34 is realized through real-time position feedback of the distance sensor 319 to the zero position touch plate 318.
The foregoing description of the preferred embodiments of the utility model is not intended to limit the utility model to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the utility model are intended to be included within the scope of the utility model.
Claims (10)
1. The heat sealing device for cutting the heat sealing film is characterized by comprising a portal frame, an objective table and a heat sealing cutting assembly;
the portal frame is provided with two supporting legs and a transverse plate positioned at the upper ends of the supporting legs, and the objective table is arranged between the two supporting legs;
the heat-seal cutting assembly comprises a vertical driving mechanism, a fixed plate, an elastic piece, a heating plate and a cutting knife; the utility model provides a vertical drive mechanism, including the fixed plate, the vertical drive mechanism, the fixed plate connect in vertical drive mechanism's drive end, the hot plate set up in the fixed plate below, the elastic component set up in the fixed plate with between the hot plate, the hot plate is just right the objective table sets up, the cut-off knife set up in the fixed plate below is located one side of hot plate, the cutting edge of cut-off knife sets up downwards, the lower terminal surface of hot plate under the nature sagging state highly be higher than the cutting edge.
2. The heat seal film cutting and heat sealing device according to claim 1, wherein the heating plate comprises an upper pressing plate, an electric heating film and a lower pressing plate, the upper pressing plate is connected to the lower end of the elastic member, the lower pressing plate is correspondingly connected to the lower end of the upper pressing plate, and the electric heating film is sandwiched between the upper pressing plate and the lower pressing plate.
3. The heat seal film cutting heat seal apparatus of claim 2 wherein the heating plate further comprises a temperature fuse disposed between the upper platen and the lower platen, the electrically heated film and the temperature fuse being electrically connected.
4. The heat seal film cutting and heat sealing device according to claim 2, wherein the heating plate further comprises a temperature sensor, the upper and lower pressing plates are the same in thickness and made of the same material, and the temperature sensor is connected to an upper end of the upper pressing plate.
5. The heat seal film cutting and heat sealing device according to claim 1, further comprising a film pressing assembly and a film feeding base plate, wherein the film feeding base plate is arranged on one side of the object stage, the film pressing assembly is connected to one side of the cutting knife away from the heating plate, and the film pressing assembly is arranged corresponding to the film feeding base plate and is used for pressing the heat seal film on the film feeding base plate.
6. The heat seal film cutting and heat sealing device according to claim 5, wherein the film pressing assembly comprises a guide shaft, a sleeve spring, a blanking pressing plate, a heat insulation pressing plate and a film pressing pad, wherein the guide shaft is connected to the fixing plate in a lifting manner, the sleeve spring is sleeved on the guide shaft and connected between the lower end of the guide shaft and the fixing plate, the blanking pressing plate is connected to the lower end of the guide shaft, the film pressing pad is arranged below the blanking pressing plate, and the heat insulation pressing plate is arranged between the film pressing pad and the blanking pressing plate.
7. The heat seal film cutting and heat sealing device according to claim 6, wherein a distance between the lower end surface of the film pressing pad and the upper end surface of the film feeding pad is smaller than a distance between the lower end surface of the heating plate and the upper end surface of the stage in a natural sagging state.
8. The heat sealing film cutting and heat sealing device according to claim 1, wherein the elastic member comprises a plurality of guide posts and compression springs correspondingly sleeved on the guide posts, the lower ends of the guide posts are connected with the upper ends of the heating plates, the upper ends of the guide posts movably penetrate through the fixing plates, and two ends of the compression springs are fixedly connected with the fixing plates and the heating plates respectively.
9. The heat seal film cutting and heat sealing device according to claim 1, wherein the vertical driving mechanism comprises a motor mounting bracket, a screw motor, a nut seat, a linear guide rail and a mounting seat, the motor mounting bracket is arranged at the upper end of the transverse plate, the screw motor is arranged on the motor mounting bracket, the screw is arranged vertically downwards, the linear guide rail is vertically arranged on the motor mounting bracket, the nut seat is connected on the screw and slides in cooperation with the linear guide rail, the mounting seat is connected on the nut seat, and the lower end of the mounting seat is connected with the heating plate through a heat insulation block.
10. The heat seal film cutting and heat sealing device of claim 9 wherein the mount has a zero touch pad thereon and the motor mounting bracket has a distance sensor thereon, the zero touch pad being in a zero position of the sensor when the mount is in an initial position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320307792.1U CN220076746U (en) | 2023-02-23 | 2023-02-23 | Heat sealing device for cutting heat sealing film |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320307792.1U CN220076746U (en) | 2023-02-23 | 2023-02-23 | Heat sealing device for cutting heat sealing film |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220076746U true CN220076746U (en) | 2023-11-24 |
Family
ID=88820135
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320307792.1U Active CN220076746U (en) | 2023-02-23 | 2023-02-23 | Heat sealing device for cutting heat sealing film |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220076746U (en) |
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2023
- 2023-02-23 CN CN202320307792.1U patent/CN220076746U/en active Active
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