CN217100749U - Improved heat sealing device - Google Patents
Improved heat sealing device Download PDFInfo
- Publication number
- CN217100749U CN217100749U CN202123223067.6U CN202123223067U CN217100749U CN 217100749 U CN217100749 U CN 217100749U CN 202123223067 U CN202123223067 U CN 202123223067U CN 217100749 U CN217100749 U CN 217100749U
- Authority
- CN
- China
- Prior art keywords
- belt
- temperature
- temperature belt
- limiting block
- tensioner
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Package Closures (AREA)
Abstract
The utility model relates to the technical field of heat sealing devices, in particular to an improved heat sealing device, which comprises a frame, a first high-temperature belt, two second high-temperature belts and a tensioning structure, wherein the first high-temperature belt and the second high-temperature belts are annular; the first high-temperature belt is rotatably arranged in the middle of the rack through a tensioning structure, and the tensioning structure is used for adjusting the tension of the first high-temperature belt; the two second high-temperature belts are oppositely arranged and are respectively and rotatably arranged on the rack, the first high-temperature belt is positioned between the two second high-temperature belts, and the belt surfaces between the two second high-temperature belts are oppositely arranged; a feeding gap of the single-composite-layer PE film material is formed between the belt surface of the second high-temperature belt and the belt surface of the first high-temperature belt; a feeding gap is used for entering a composite layer PE film material, and the movement of the composite layer PE film material drives the first high-temperature belt to rotate. The utility model discloses can solve the problem that fold or damaged phenomenon appear in the product department of sealing easily cause after the high temperature belt among the current sealing device uses for a long time.
Description
Technical Field
The utility model relates to a sealing device technical field especially relates to a modified sealing device.
Background
The heat sealing is to change the seal of the plastic base material film into viscous flow state by external heating (electric heating, high-frequency induction heating, ultrasonic wave, etc.), and to fuse the upper and lower layers of films into a whole by the pressure of a heat sealing cutter, and to maintain a certain strength after cooling.
The fixed dress of pasting of traditional sealing device high temperature resistant high temperature belt is on the two sides of steel chi often used, is separated other high temperature belt by the sealing cutter again and is heated sealedly to the department of sealing of product, because a certain section working section of long-term fixed high temperature belt of using makes the change of high temperature belt quality and length can take place, and the working section arch of high temperature belt behind the high temperature belt increases causes the product to seal the department and appears fold or damaged phenomenon.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a modified sealing device to easily cause the product to seal the problem that the department appears fold or damaged phenomenon after the high temperature belt among the sealing device that the solution above-mentioned background art provided uses for a long time.
To achieve the purpose, the utility model adopts the following technical proposal:
an improved heat sealing device comprises a rack, a first high-temperature belt, two second high-temperature belts, a tensioning structure, two groups of heat sealing knives, two groups of shaping knives and four groups of driving structures, wherein the first high-temperature belt and the second high-temperature belts are annular;
the first high-temperature belt is rotatably arranged in the middle of the rack through the tensioning structure, and the tensioning structure is used for adjusting the tension of the first high-temperature belt;
the two second high-temperature belts are oppositely arranged and are respectively and rotatably arranged on the rack, the first high-temperature belt is positioned between the two second high-temperature belts, and the belt surface of the first high-temperature belt is oppositely arranged with the belt surface of the second high-temperature belt;
a feeding gap of a single composite layer PE film material is formed between the belt surface of the second high-temperature belt and the belt surface of the first high-temperature belt; the two feeding gaps are used for entering two to-be-heated composite layer PE film materials from top to bottom, one feeding gap is used for entering one composite layer PE film material, and the two composite layer PE film materials move to drive the first high-temperature belt to rotate;
the heat-sealing knife and the shaping knife are positioned in the surrounding area of the second high-temperature belt, the heat-sealing knife is positioned above the shaping knife, and the heating surface of the heat-sealing knife and the shaping surface of the shaping knife are both positioned on the belt surface of the second high-temperature belt;
the driving end of the driving structure is respectively and independently connected with the heat-sealing cutter and the shaping cutter, and the driving structure respectively drives the heat-sealing cutter and the shaping cutter to do reciprocating motion close to or far away from the first high-temperature belt.
Preferably, the tensioning structure comprises an upper tensioner, a lower tensioner and an adjustment assembly;
the adjusting assembly is mounted on the frame;
the upper tensioner is positioned above the rack, the lower tensioner is positioned below the rack, and the first high-temperature belt is wound around the upper tensioner and the lower tensioner and rotates along with the movement of the composite layer PE film;
the adjusting assembly is used for adjusting the distance between the upper tensioner and the lower tensioner so as to adjust the tension degree of the first high-temperature belt.
Preferably, the upper tensioner and the lower tensioner are provided with material guiding wheels, and the first high-temperature belt is wound around the upper tensioner and the lower tensioner through the material guiding wheels.
Preferably, the adjusting assembly comprises an adjusting rod, a first limiting block, a movable block, a second limiting block, a guide rod and a spring;
the first limiting block is fixed above the rack, the second limiting block is fixed on the rack and is positioned below the first limiting block, the movable block is arranged between the first limiting block and the second limiting block, the guide rod is vertically and fixedly arranged among the first limiting block, the movable block and the second limiting block, the movable block is arranged in the guide rod in a penetrating mode, the movable block can vertically move along the guide rod, the spring is arranged in the guide rod in a penetrating mode, one end of the spring abuts against the movable block, and the other end of the spring abuts against the second limiting block; one end of the adjusting rod penetrates through the first limiting block and abuts against the movable block; the rod body of the adjusting rod is provided with an external thread, the first limiting block is provided with a threaded hole, the external thread of the adjusting rod is matched with the threaded hole, and the adjusting rod penetrates through the first limiting block to adjust the position of the movable block on the guide rod;
the upper tensioner is mounted to the movable block, the lower tensioner is fixedly mounted to the frame, and movement of the movable block is used to adjust the distance between the upper tensioner and the lower tensioner, thereby adjusting the tension of the first high temperature belt.
Preferably, the number of the guide rods is two.
Preferably, the high-temperature belt conveyor further comprises a guide roller group, roller shafts of the guide roller group are respectively installed on the inner side and the outer side of the second high-temperature belt, and the guide roller group is used for driving the second high-temperature belt.
Preferably, a heating wire is installed in the heat sealing knife and used for heating the heat sealing knife.
Preferably, the shaping cutter is communicated with a cooling water pipe, the other end of the cooling water pipe is connected with cooling water, and the cooling water pipe is used for cooling the shaping cutter.
Compared with the prior art, the technical scheme has the following beneficial effects: adjust the rate of tension of first high temperature belt through adjustable tension structure, make first high temperature belt is in taut state, simultaneously first high temperature belt is not in the quiescent condition of hard friction, and it is through encircleing between last tensioning ware and the lower tensioning ware that is equipped with the guide wheel, rotates along with the removal of composite bed PE membrane material, guarantees each thermally equivalent of first high temperature belt, not only increases the life of first high temperature belt, and fold or damaged phenomenon also can not appear at the heat-seal process in the PE membrane material simultaneously.
Drawings
FIG. 1 is a schematic elevational view of an improved heat sealing apparatus of the present invention;
FIG. 2 is a rear schematic view of the improved heat sealing apparatus of the present invention;
FIG. 3 is a schematic view of the tension structure and the first high temperature belt of the improved heat sealing apparatus of the present invention;
FIG. 4 is a schematic view of the improved heat sealing apparatus of the present invention;
in the drawings: the device comprises a frame 1, a first high-temperature belt 2, a second high-temperature belt 3, a tensioning structure 4, a heat sealing cutter 5, a shaping cutter 6, a driving structure 7, a guide roller group 8, an upper tensioner 41, a lower tensioner 42, an adjusting assembly 43, a guide wheel 44, a heating wire 51, a cooling water pipe 61, an adjusting rod 431, a first limiting block 432, a movable block 433, a second limiting block 434, a guide rod 435 and a spring 436.
Detailed Description
The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 1-4, an improved heat sealing device comprises a frame 1, a first high-temperature belt 2, two second high-temperature belts 3, a tensioning structure 4, two groups of heat sealing knives 5, two groups of shaping knives 6 and four groups of driving structures 7, wherein the first high-temperature belt 2 and the second high-temperature belts 3 are annular;
the first high-temperature belt 2 is rotatably arranged in the middle of the frame 1 through the tensioning structure 4, and the tensioning structure 4 is used for adjusting the tension of the first high-temperature belt 2;
the two second high-temperature belts 3 are arranged in a positive opposite mode and are respectively rotatably mounted on the rack 1, the first high-temperature belt 2 is positioned between the two second high-temperature belts 3, and the belt surface of the first high-temperature belt 2 is arranged in a positive opposite mode to the belt surface of the second high-temperature belt 3;
a feeding gap of a single composite layer PE film material is formed between the belt surface of the second high-temperature belt 3 and the belt surface of the first high-temperature belt 2; the two feeding gaps are used for entering a double-composite-layer PE film material to be heated from top to bottom, one feeding gap is used for entering a composite-layer PE film material, and the first high-temperature belt 2 is driven to rotate by the movement of the composite-layer PE film material;
the heat-sealing knife 5 and the shaping knife 6 are positioned in the surrounding area of the second high-temperature belt 3, the heat-sealing knife 5 is positioned above the shaping knife 6, and the heating surface of the heat-sealing knife 5 and the shaping surface of the shaping knife 6 are both positioned on the belt surface of the second high-temperature belt 3. The flowing composite layer PE film material is firstly subjected to heating sealing treatment through a heat sealing knife, and then is subjected to cooling leveling treatment through a shaping structure, so that the flatness of the heating sealing position is ensured;
the driving end of the driving structure 7 is separately connected with the heat-sealing knife 5 and the shaping knife 6, and the driving structure 7 drives the heat-sealing knife 5 and the shaping knife 6 to reciprocate towards or away from the first high-temperature belt 2. Through drive structure 7 automatically regulated in the dwell time of hot-seal sword 5 with shaping sword 6 at first high temperature belt 2, prevent to wait that the PE coating material of heating from heating for a long time and appearing the hot melt phenomenon, guarantee simultaneously that the PE coating material can normally drive first high temperature belt 2 and rotate. Specifically, the driving mechanism 7 may be an existing driving mechanism 7 such as an air cylinder, a hydraulic cylinder, etc. which can be driven to and fro.
Because first high temperature belt 2 is by the long-time back of heating, first high temperature belt 2's length can be elongated, consequently adjusts through adjustable tensioning structure 4 first high temperature belt 2's rate of tension makes first high temperature belt 2 is in taut state, simultaneously first high temperature belt 2 is not in the quiescent condition of hard friction, and it realizes rotating along with the removal of composite bed PE membrane material, guarantees everywhere thermally equivalent of first high temperature belt 2 not only increases first high temperature belt 2's life, PE membrane material also can not appear fold or damaged phenomenon in the heat-seal process simultaneously.
Further, two second high temperature belt 3 is located respectively the both sides of first high temperature belt 2 are located the both sides homoenergetic of the same working segment of first high temperature belt 2 and carry out the heat-seal of composite bed PE membrane material, not only improve encapsulation efficiency, can also guarantee heat-seal stability.
Specifically, a single composite layer PE film is composed of two PE films, and two composite layer PE films are four PE films, i.e., two PE films are heated and sealed in the same feeding gap.
To explain further, the tensioning structure 4 comprises an upper tensioner 41, a lower tensioner 42 and an adjustment assembly 43;
the adjusting assembly 43 is mounted on the frame 1;
the upper tensioner 41 is positioned above the machine frame 1, the lower tensioner 42 is positioned below the machine frame 1, and the first high-temperature belt 2 is wound around the upper tensioner 41 and the lower tensioner 42 and follows the movement of the composite layer PE film to realize rotation;
the adjusting assembly 43 is used for adjusting the distance between the upper tensioner 41 and the lower tensioner 42, thereby adjusting the tension of the first high temperature belt 2.
The first high temperature belt 2 is rotatably installed on the guide wheel 44 surrounding the upper tensioner 41 and the lower tensioner 42, the upper tensioner 41 above the frame and the lower tensioner 42 below can simultaneously apply tension to two ends of the first high temperature belt 2, and when the first high temperature belt 2 changes in length, the tension of the first high temperature belt 2 can be manually adjusted by the adjusting assembly 43, so that the first high temperature belt 2 is always tensioned, the first high temperature belt 2 is prevented from being loosened due to the change in length of the first high temperature belt 2, and the phenomenon of wrinkling and breakage of the PE film material in the heat sealing process is avoided.
To be more specific, the upper tensioner 41 and the lower tensioner 42 are provided with a material guiding wheel 44, and the first high temperature belt 2 is wound around the upper tensioner 41 and the lower tensioner 42 through the material guiding wheel 44. The material guide wheel 44 can improve the working state of the first high temperature belt 2, prevent friction with the upper and lower tensioners 41 and 42 during rotation, and prolong the service life of the first high temperature belt 2.
To be further described, the adjusting assembly 43 includes an adjusting rod 431, a first stopper 432, a movable block 433, a second stopper 434, a guide rod 435, and a spring 436;
the first limiting block 432 is fixed above the frame 1, the second limiting block 434 is fixed to the frame 1 and located below the first limiting block 432, the movable block 433 is arranged between the first limiting block 432 and the second limiting block 434, the guide bar 435 is vertically and fixedly arranged between the first limiting block 432, the movable block 433 and the second limiting block 434, the movable block 433 is arranged on the guide bar 435 in a penetrating manner, the movable block 433 can vertically move along the guide bar 435, the spring 436 is arranged on the guide bar 435 in a penetrating manner, one end of the spring 436 abuts against the movable block 433, and the other end abuts against the second limiting block 434; one end of the adjusting rod 431 penetrates through the first limiting block 432 and abuts against the movable block 433; the rod body of the adjusting rod 431 is provided with an external thread, the first limiting block 432 is provided with a threaded hole, the external thread of the adjusting rod 431 is matched with the threaded hole, and the adjusting rod 431 penetrates through the first limiting block 432 to adjust the position of the movable block 433 on the guide rod 435;
the upper tensioner 41 is mounted to the movable block 433, the lower tensioner 42 is fixedly mounted to the frame 1, and the movement of the movable block 433 is used to adjust the distance between the upper tensioner 41 and the lower tensioner 42, thereby adjusting the tension of the first high temperature belt 2.
In this embodiment, the second limiting block 434 is fixedly connected to the frame, the position of the second limiting block 434 does not change, the spring 436 is installed above the second limiting block 434, the first limiting block 432 and the movable block 433 which are connected by the guide rod 435 are sequentially arranged above the spring 436, the first limiting block 432 is in threaded connection with the middle end of the adjusting rod 431, the tail end of the adjusting rod 431 abuts against the upper side of the movable block 433, downward pressure is applied to the movable block 433 and the second limiting block 434, the weight of the first limiting block 432, the movable block 433 and the second limiting block 434 applies pressure to the spring 436 together, and at this time, the spring 436 keeps a stable contraction state, and meanwhile, the first high-temperature belt 2 reaches a proper tension degree.
When the length of the first high temperature belt 2 is increased due to long-term use, the distance between the upper tensioner 41 and the lower tensioner 42 cannot keep the first high temperature belt 2 in a tensioned state, and the distance between the upper tensioner 41 and the lower tensioner 42 needs to be adjusted, specifically, the connecting position between the adjusting rod 431 and the first stopper 432 is changed by rotating the adjusting rod 431, that is, the position of the movable block 433 on the guide bar 435 is adjusted to reduce the downward pressure applied to the movable block 433, at this time, the spring 436 is sprung up to move the movable block 433 and the movable block 433 upward, and the upper tensioner 41 connected to the movable block 433 and the lower tensioner 42 are fixedly connected below the machine frame 1, so that the distance between the upper tensioner 41 and the lower tensioner 42 is increased, thereby causing the lengthened first high temperature belt 2 to be tightened again.
To explain further, the guide bars 435 are provided in two. The two guide rods 435 ensure the parallel arrangement of the first limiting block 432, the movable block 433 and the second limiting block 434, so that during the adjustment process, the movable block 433 cannot lose balance, and the connected upper tensioner 41 is deflected to affect the tension of the first high-temperature belt 2.
Further, the device further comprises a guide roller group 8, roller shafts of the guide roller group 8 are respectively arranged on the inner side and the outer side of the second high-temperature belt 3, and the guide roller group 8 is used for driving the second high-temperature belt 3. Second high temperature belt 3 passes through guide roller set 8 realizes rotating, simultaneously the rotational speed cooperation of second high temperature belt 3 the rotational speed of first high temperature belt 2 to better realization heat-seal effect.
In a further description, a heating wire 51 is installed in the heat sealing knife 5, and the heating wire 51 is used for heating the heat sealing knife 5.
In addition, the shaping cutter 6 is communicated with a cooling water pipe 61, the other end of the cooling water pipe 61 is connected with cooling water, and the cooling water pipe 61 is used for cooling the shaping cutter 6. This integer sword 6 can be further cooled off firmly to the 5 hot sealing positions that heat-seal sword of top, not only guarantees the roughness of heat-sealed back product, can also improve the stability of vertical bag heat-seal.
The technical principle of the present invention is described above with reference to specific embodiments. The description is made for the purpose of illustrating the principles of the invention and should not be construed in any way as limiting the scope of the invention. Based on the explanations herein, those skilled in the art will be able to conceive of other embodiments of the present invention without inventive efforts, and such equivalent modifications or substitutions are intended to be included within the scope of the present invention as defined in the appended claims.
Claims (8)
1. An improved heat sealing device, characterized in that: the device comprises a rack, a first high-temperature belt, two second high-temperature belts, a tensioning structure, two groups of heat-sealing cutters, two groups of shaping cutters and four groups of driving structures, wherein the first high-temperature belt and the second high-temperature belts are annular;
the first high-temperature belt is rotatably arranged in the middle of the rack through the tensioning structure, and the tensioning structure is used for adjusting the tension of the first high-temperature belt;
the two second high-temperature belts are oppositely arranged and are respectively and rotatably arranged on the rack, the first high-temperature belt is positioned between the two second high-temperature belts, and the belt surface of the first high-temperature belt is oppositely arranged with the belt surface of the second high-temperature belt;
a feeding gap of a single composite layer PE film material is formed between the belt surface of the second high-temperature belt and the belt surface of the first high-temperature belt; the two feeding gaps are used for entering two to-be-heated composite layer PE film materials from top to bottom, one feeding gap is used for entering one composite layer PE film material, and the two composite layer PE film materials move to drive the first high-temperature belt to rotate;
the heat-sealing knife and the shaping knife are positioned in the surrounding area of the second high-temperature belt, the heat-sealing knife is positioned above the shaping knife, and the heating surface of the heat-sealing knife and the shaping surface of the shaping knife are both positioned on the belt surface of the second high-temperature belt;
the driving end of the driving structure is respectively and independently connected with the heat-sealing cutter and the shaping cutter, and the driving structure respectively drives the heat-sealing cutter and the shaping cutter to do reciprocating motion close to or far away from the first high-temperature belt.
2. An improved heat sealing apparatus according to claim 1 wherein said tensioning structure comprises an upper tensioner, a lower tensioner and an adjustment assembly;
the adjusting assembly is mounted on the frame;
the upper tensioner is positioned above the rack, the lower tensioner is positioned below the rack, and the first high-temperature belt is wound around the upper tensioner and the lower tensioner and rotates along with the movement of the composite layer PE film;
the adjusting assembly is used for adjusting the distance between the upper tensioner and the lower tensioner so as to adjust the tension degree of the first high-temperature belt.
3. The improved heat seal apparatus of claim 2 wherein said upper and lower tensioners are each provided with a guide wheel through which said first high temperature belt is looped around said upper and lower tensioners.
4. The improved heat-sealing device of claim 2, wherein the adjusting assembly comprises an adjusting rod, a first stopper, a movable block, a second stopper, a guide rod and a spring;
the first limiting block is fixed above the rack, the second limiting block is fixed on the rack and is positioned below the first limiting block, the movable block is arranged between the first limiting block and the second limiting block, the guide rod is vertically and fixedly arranged among the first limiting block, the movable block and the second limiting block, the movable block is arranged in the guide rod in a penetrating mode, the movable block can vertically move along the guide rod, the spring is arranged in the guide rod in a penetrating mode, one end of the spring abuts against the movable block, and the other end of the spring abuts against the second limiting block; one end of the adjusting rod penetrates through the first limiting block and abuts against the movable block; the rod body of the adjusting rod is provided with an external thread, the first limiting block is provided with a threaded hole, the external thread of the adjusting rod is matched with the threaded hole, and the adjusting rod penetrates through the first limiting block to adjust the position of the movable block on the guide rod;
the upper tensioner is mounted to the movable block, the lower tensioner is fixedly mounted to the frame, and movement of the movable block is used to adjust the distance between the upper tensioner and the lower tensioner, thereby adjusting the tension of the first high temperature belt.
5. An improved heat-sealing apparatus as set forth in claim 4 wherein: the guide rods are two.
6. An improved heat-seal apparatus as claimed in claim 1, further comprising a guide roller group, the rollers of said guide roller group being respectively mounted on the inner side and the outer side of said second high-temperature belt, said guide roller group being adapted to drive said second high-temperature belt.
7. An improved heat sealing apparatus as set forth in claim 1 wherein said heat sealing knife has a heating wire mounted therein for heating said heat sealing knife.
8. An improved heat sealing apparatus as claimed in claim 1, wherein said shaping knife is connected to a cooling water pipe, and the other end of said cooling water pipe is connected to a cooling water pipe for cooling said shaping knife.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123223067.6U CN217100749U (en) | 2021-12-21 | 2021-12-21 | Improved heat sealing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123223067.6U CN217100749U (en) | 2021-12-21 | 2021-12-21 | Improved heat sealing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217100749U true CN217100749U (en) | 2022-08-02 |
Family
ID=82590384
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123223067.6U Active CN217100749U (en) | 2021-12-21 | 2021-12-21 | Improved heat sealing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217100749U (en) |
-
2021
- 2021-12-21 CN CN202123223067.6U patent/CN217100749U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP4440927B2 (en) | Method and apparatus for producing a continuous filled pouch | |
| US8500617B2 (en) | Method for manufacturing extraction bag sheet | |
| CN202157229U (en) | Edge sealing and cutting machine for industrial filter cloth | |
| CA1183439A (en) | Walking-beam band sealer | |
| EP3353060B1 (en) | Process and machine for making clipless chub package contaning viscous product | |
| US6422986B1 (en) | Sealer apparatus for forming a cross seal in plastic film processing and particularly for bag making machines | |
| US8074863B2 (en) | Sealing device for heat sealing foil material | |
| CN217100749U (en) | Improved heat sealing device | |
| US3988184A (en) | Method for applying closure strips to plastic film | |
| US3551261A (en) | Heat sealing and cutting member for heat sealing overlying films of material | |
| CN210653789U (en) | Continuous stable guiding inflation heat sealing device | |
| US4834830A (en) | Oscillating sealing wire assembly for wrapping machines | |
| CN112389721A (en) | Continuous stable guiding inflation heat sealing device and continuous stable guiding inflation heat sealing method | |
| US3551260A (en) | Heat sealing apparatus for sealing together heat sealable films | |
| CN214448953U (en) | Environment-friendly plastic packaging bag system bag machine | |
| US7371297B2 (en) | Ultrasound unit for sealing lengths of filter paper | |
| CN209505077U (en) | A kind of Bag Making Machine wound membrane heat sealing mechanism | |
| EP1765576B1 (en) | Sealing device for heat sealing film material | |
| CN208412349U (en) | A kind of ultrasonic sealing packing device | |
| CN110901173B (en) | Hot press unit is used in wrapping bag production convenient to regulated pressure | |
| CN206665081U (en) | A kind of packaging bag edge sealing splitting system | |
| CN219749071U (en) | Heat sealing machine is used in food package bag production | |
| CN214058119U (en) | Heat sealing structure for manufacturing packaging bag | |
| CN217075021U (en) | Plaster production is with mechanism that seals of capper | |
| JP2024063542A (en) | Heat Sealing Equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |