CN108000946B - Synchronous heat sealing mechanism for plastic bags - Google Patents
Synchronous heat sealing mechanism for plastic bags Download PDFInfo
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- CN108000946B CN108000946B CN201711461444.5A CN201711461444A CN108000946B CN 108000946 B CN108000946 B CN 108000946B CN 201711461444 A CN201711461444 A CN 201711461444A CN 108000946 B CN108000946 B CN 108000946B
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- 238000007789 sealing Methods 0.000 title claims abstract description 152
- 230000007246 mechanism Effects 0.000 title claims abstract description 53
- 239000004033 plastic Substances 0.000 title claims abstract description 43
- 230000001360 synchronised effect Effects 0.000 title claims abstract description 29
- 239000002985 plastic film Substances 0.000 claims abstract description 27
- 229920006255 plastic film Polymers 0.000 claims abstract description 27
- 230000005540 biological transmission Effects 0.000 claims abstract description 14
- 230000009467 reduction Effects 0.000 claims abstract description 9
- 230000007704 transition Effects 0.000 claims abstract description 9
- 238000010438 heat treatment Methods 0.000 claims abstract description 8
- 238000000034 method Methods 0.000 claims abstract description 5
- 230000008569 process Effects 0.000 claims abstract description 5
- 238000003825 pressing Methods 0.000 claims description 19
- 238000012545 processing Methods 0.000 claims description 7
- 230000009471 action Effects 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 8
- 238000005299 abrasion Methods 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 239000011091 composite packaging material Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
Abstract
The invention relates to a synchronous heat sealing mechanism of a plastic bag, which comprises a frame, a driving assembly, a driven assembly and a transmission assembly, wherein the frame comprises two side plates and a fixing rod connected between the two side plates; the driving assembly comprises a motor, a reduction gearbox and a driving shaft, and the motor is connected with the driving shaft through the reduction gearbox; the driving shaft is connected between the two side plates, and two driving chain wheels are arranged on the driving shaft; a transition roller and a heat sealing cutter are arranged between the two driving chain wheels, and a heating rod is arranged on the heat sealing cutter; the driven component comprises driven wheel fixing rods which are connected between two side plates, and each driven wheel fixing rod is provided with two driven chain wheels; the transmission assembly comprises two chain groups, and a heat sealing base matched with the heat sealing knife is connected between the two chain groups. The invention can make the heat sealing work in the process of plastic film transmission, namely the heat sealing work of the heat sealing mechanism and the transmission work of the conveying mechanism can be synchronously carried out, thereby improving the production efficiency of plastic bags.
Description
Technical Field
The invention relates to the technical field of plastic bag production, in particular to a synchronous heat sealing mechanism of a plastic bag.
Background
Plastic bags are widely used as daily necessities by people, such as shopping bags in supermarkets, garbage bags, fresh-keeping bags and the like. The plastic bag is generally formed by processing a prepared plastic film through bag making equipment, and the bag making equipment can be used for preparing the plastic bag by sealing, cutting and other operations on the plastic film during processing. One end of the plastic bag is a bag opening, and the other end is necessarily a seal, so that the plastic bag becomes a plastic bag bottom for containing articles.
The sealing of the plastic bag is generally realized by adopting heat sealing, which is the most common and practical bag making mode in the application of re-composite packaging materials, and the sealing position of the plastic bag is heated to be in a viscous flow state by utilizing various external conditions (such as electric heating, high-frequency voltage or ultrasonic wave and the like), and two layers of diaphragms are fused into a whole by means of certain pressure, and certain strength is maintained after cooling.
At present, the heat sealing mode of the plastic bag is as follows: and when the conveying length of the plastic film reaches the length of the plastic bag, the conveying mechanism pauses conveying, and the heat sealing mechanism heats and presses the plastic film to form the heat seal of the plastic bag. After the heat sealing is finished, the conveying mechanism starts working again to convey the plastic film, when the conveying length of the plastic film reaches the length of the plastic bag again, the conveying mechanism stops conveying again, and the heat sealing mechanism performs heat sealing work, so that the circulation is realized, and the continuous heat sealing work of the plastic bag is realized.
When the existing plastic bag heat sealing mechanism performs heat sealing work, the conveying mechanism must stop conveying, that is, the heat sealing mechanism and the conveying mechanism cannot be synchronized, so that the production efficiency of plastic bags is low.
Disclosure of Invention
The invention aims to provide a synchronous heat sealing mechanism for plastic bags, which can realize synchronous work with a conveying mechanism and improve the production efficiency of the plastic bags.
In order to achieve the above purpose, the invention adopts the following technical scheme:
the synchronous heat sealing mechanism of the plastic bag comprises a frame, a driving assembly, a driven assembly and a transmission assembly, wherein the frame comprises two side plates and a fixing rod connected between the two side plates; the driving assembly comprises a motor, a reduction gearbox and a driving shaft, wherein the motor is arranged on the outer side of one side plate and is connected with the driving shaft through the reduction gearbox; the driving shaft is connected between the two side plates, two driving chain wheels are arranged on the driving shaft, and the two driving chain wheels are respectively close to the inner side surfaces of the two side plates; a transition roller and a heat sealing cutter are arranged between the two driving chain wheels, and a heating rod or a heating sheet is arranged on the heat sealing cutter; the driven assembly comprises driven chain wheels and at least three driven wheel fixing rods, the driven wheel fixing rods are connected between the two side plates, each driven wheel fixing rod is provided with two driven chain wheels, and the two driven chain wheels are respectively close to the inner side surfaces of the two side plates; the transmission assembly comprises two chain groups which are connected to the driven sprocket and meshed with the driven sprocket, the chain groups are meshed with the driving sprocket, and a heat sealing base matched with the heat sealing knife is connected between the two chain groups.
The synchronous heat-sealing mechanism further comprises a pressing assembly, the pressing assembly comprises a sliding seat top block and a sliding seat fixing rod, the sliding seat fixing rod is connected between the two side plates, the sliding seat top block is fixed on the sliding seat fixing rod, and the sliding seat top block is arranged above the driving shaft in an arch shape.
A groove is formed at the position of the heat sealing base corresponding to the sliding seat top block, and a pulley capable of sliding on the sliding seat top block is arranged in the groove.
The number of the sliding seat jacking blocks is more than two.
The synchronous heat seal mechanism also comprises a chain tensioning assembly.
The chain tensioning assembly comprises a tensioning cylinder, a cylinder connecting rod, a tensioning lever and a pressing rod, wherein the tensioning cylinder is arranged between two side plates through a cylinder fixing rod, and two ends of the cylinder fixing rod are respectively connected to the two side plates; the tensioning lever is arranged on the inner side surfaces of the two side plates, the middle part of the tensioning lever is pivoted on the side plates, one end of the tensioning lever is connected with the cylinder connecting rod, and the other end of the tensioning lever is connected with the pressing rod; the cylinder connecting rod is connected with tensioning cylinder cooperation, and the both ends of compressing tightly the pole are equipped with the pinch roller, and two pinch rollers mesh with two chain groups respectively.
The transition roller is arranged on the periphery of the driving shaft and is connected between the two driving chain wheels through a chain wheel connecting seat.
The heat sealing cutter is fixed on the periphery of the driving shaft through a heat sealing cutter fixing seat, the heat sealing cutter fixing seat comprises a first heat sealing cutter fixing seat and a second heat sealing cutter fixing seat, the first heat sealing cutter fixing seat is arranged along the axial direction of the driving shaft, and two ends of the first heat sealing cutter fixing seat are connected with a driving sprocket through sprocket connecting seats; one end of the second heat sealing knife fixing seat is connected with the heat sealing knife, and the other end of the second heat sealing knife fixing seat is connected with the first heat sealing knife fixing seat through an adjusting screw.
After the scheme is adopted, under the action of the conveying mechanism, the plastic film continuously enters the synchronous heat sealing mechanism, passes through the space between the driving shaft and the chain group of the synchronous heat sealing mechanism, and then enters the next processing mechanism for producing plastic bags. When the plastic film passes through the synchronous heat sealing mechanism, the motor of the driving assembly drives the driving shaft to rotate through the gearbox, the driving shaft drives the chain wheel set to rotate through the driving chain wheel, and when the heat sealing cutter on the driving shaft rotates to a position contacted with the chain set, the heat sealing base on the chain set also rotates to the position, the heat sealing cutter and the heat sealing base are gradually close, and the heat sealing cutter and the heat sealing base are pressed under the sliding seat jacking block so as to heat-seal the plastic film in transmission. After the heat sealing is finished, the heat sealing knife and the heat sealing base are gradually separated, and the plastic film after the heat sealing enters the next processing mechanism. The driving shaft and the driven wheel fixing rod continue to rotate, and when the driving shaft is in heat sealing connection with the heat sealing base on the chain group for the next time, the plastic film is subjected to the next heat sealing. The synchronous heat sealing mechanism is used for heat sealing in the plastic film conveying process, namely the heat sealing of the heat sealing mechanism and the conveying of the conveying mechanism can be synchronously carried out, so that the production efficiency of plastic bags is improved.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a front view of the present invention;
FIG. 3 is a side view of the present invention;
FIG. 4 is a schematic diagram of an active device structure according to the present invention;
fig. 5 is a cross-sectional view of fig. 4.
Detailed Description
Referring to fig. 1 to 5, the invention discloses a synchronous heat sealing mechanism of a plastic bag, which comprises a frame, a driving component, a driven component and a transmission component.
The frame includes two side plates 11 and a fixing rod 12 connected between the two side plates 11, wherein one end of the fixing rod 12 is fixed on one side plate 11, and the other end is fixed on the other side plate 11, so that a space for accommodating other components can be formed between the two side plates 11.
The driving assembly comprises a motor 21, a reduction gearbox 22 and a driving shaft 23, wherein the motor 21 is arranged on the outer side of one side plate 11, is connected with one end of the driving shaft 23 through the reduction gearbox 22 and drives the driving shaft 23 to rotate; the driving shaft 23 is connected between the two side plates 11, one end of which is connected to one side plate 11 through a bearing, and the other end of which is connected to the other side plate 11 through a bearing. The driving shaft 23 is provided with two driving chain wheels 24, and the two driving chain wheels 24 are respectively close to the inner side surfaces of the two side plates 11; a transition roller 25 and a heat sealing knife 26 are arranged between the driving sprockets 24 along the axial direction of the driving shaft 23, and a heating rod 27 is arranged on the side surface of the heat sealing knife 26 near the driving sprockets 24, and the heating rod 27 can be a heating plate. The transition roller 25 is evenly distributed on the periphery of the driving shaft 23, two ends of the transition roller are connected to the driving sprocket 24 through sprocket connecting seats 241, and the sprocket connecting seats 24 are connected to the inner side surface of the driving sprocket 24. The heat sealing knife 26 is fixed on the periphery of the driving shaft 23 through a heat sealing knife fixing seat, the heat sealing knife fixing seat comprises a first heat sealing knife fixing seat 261 and a second heat sealing knife fixing seat 262, the first heat sealing knife fixing seat 261 is arranged along the axial direction of the driving shaft 23, two ends of the first heat sealing knife fixing seat 261 are connected to the chain wheel connecting seat 241, one end of the second heat sealing knife fixing seat 262 is connected with the heat sealing knife 26 through a screw, and the other end of the second heat sealing knife fixing seat 262 is connected with the first heat sealing knife fixing seat 261 through an adjusting screw 263. The distance between the first heat sealing knife fixing seat 261 and the second heat sealing knife fixing seat 262 can be adjusted by adjusting the screw 263, so that the height of the heat sealing knife 26 relative to the driving shaft 23 is adjusted.
The transition roller 25 is used for transferring the plastic film, and the heat-sealing knife 26 is used for performing a heat-sealing work of the plastic film to form a heat-seal of the plastic bag, so that the number of the heat-sealing knife 26 is related to the length of the plastic bag. The number of the heat sealing blades 26 may be increased when the length of the produced plastic bag is short, and the number of the heat sealing blades 26 may be decreased when the length of the produced plastic bag is short. When the number of the heat seal blades 26 is more than two, the heat seal blades 26 are uniformly distributed on the periphery of the driving shaft 23, so that the length of the plastic bags on the same production line is ensured to be consistent. In the embodiment disclosed in the invention, the number of the heat sealing cutters 26 is two, and the two heat sealing cutters 26 and the driving shaft 23 are arranged on the same straight line.
The driven assembly includes at least three driven wheel fixing rods 31, wherein the driven wheel fixing rods 31 are connected between the two side plates 11, one end of each driven wheel fixing rod is connected with one side plate 11, the other end of each driven wheel fixing rod is connected with the other side plate 11, and the driven wheel fixing rods 31 are parallel to the driving shaft 23. Each driven wheel fixing rod 31 is provided with two driven chain wheels 32, and the driven chain wheels 32 are close to the inner side surfaces of the side plates 11 and correspond to the driving chain wheels 24.
In the disclosed embodiment of the present invention, the driven assembly includes four driven wheel fixing bars 31, wherein two driven wheel fixing bars 31 are connected to the upper portion of the side plate 11, the other two driven wheel fixing bars 32 are connected to the lower portion of the side plate 11, and the driven wheel fixing bars 31 are respectively located at both sides of the driving shaft 23. The four driven wheel fixing rods 31 are parallel to the driving shaft 23, and the connecting lines between the connecting points of the four driven wheel fixing rods 31 on the side plate 11 form a rectangular structure.
The drive assembly includes two chain sets 41, the chain sets 41 being connected to the driven sprocket 32 and engaged with the drive sprocket 24. When the drive sprocket 24 rotates, the driven sprocket 32 is rotated by the chain set 41. A heat seal base 42 is connected between the two chain groups 41, and the heat seal base 42 cooperates with the heat seal knife 26 to realize heat seal of the plastic film. The heat seal base 42 is fixed to one chain set 41 at one end and to the other chain set 41 at the other end, and the heat seal base 42 moves along with the chain set 41.
In order to ensure the heat sealing quality of the plastic film by the heat sealing knife 26 and the heat sealing base 42, the heat sealing mechanism of the invention further comprises a pressing assembly. The pressing assembly comprises a slide top block 51 and a slide fixing rod 52, wherein the slide fixing rod 52 is connected between two side plates 11, one end of the slide fixing rod is connected with one side plate 11, and the other end of the slide fixing rod is connected with the other side plate 11. The slide top block 51 is connected to the slide fixing rod 52, the slide top block 51 is arranged above the driving shaft 23 in an arch shape, and the distance between the lower end surface of the slide top block 51 and the heat sealing knife 26 is slightly larger than the height of the heat sealing base 42. When the heat seal base 42 moves above the driving shaft 23 along with the chain group 41 and contacts with the heat seal cutter 26 on the driving shaft 23, the slide seat top block 51 will always press against the upper end of the heat seal base 42, so that the close fit between the heat seal base 42 and the heat seal cutter 26 can be ensured, and the heat seal quality of the plastic film is ensured.
In order to reduce friction between the heat seal base 42 and the slide block 51, a groove is formed in the heat seal base 42 at a position corresponding to the slide block 51, and a pulley is provided in the groove to slide on the slide block 51. And when the number of the sliding seat top blocks 51 is more than two, the pressing effect on the heat seal base 42 is better.
The working principle of the invention is as follows:
under the action of the conveying mechanism, the plastic film continuously enters the synchronous heat-sealing mechanism, passes through the space between the driving shaft 23 and the chain group 41 of the synchronous heat-sealing mechanism, and then enters the next processing mechanism for producing plastic bags. When the plastic film passes between the driving shaft 23 and the chain set 41 in the conveying process, the motor 21 of the driving assembly drives the driving shaft 23 to rotate through the reduction gearbox 22, the driving sprocket 24 on the driving shaft 23 rotates along with the driving shaft 23, and the driving sprocket 24 drives the chain set 41 to drive on the driven sprocket 32. When the heat sealing knife 26 on the driving shaft 23 rotates to a position contacting with the chain group 41, the heat sealing base 42 on the chain group 41 also rotates to the position, the driving shaft 23 continues to rotate, the heat sealing knife 26 and the heat sealing base 42 gradually approach and press under the sliding seat top block 51, thereby heat sealing the plastic film in transmission. After the heat sealing is finished, the heat sealing knife 26 and the heat sealing base 42 are gradually separated, and the plastic film after the heat sealing enters the next processing mechanism. The driving shaft 23 and the chain group 41 continue to rotate, and when the heat sealing knife 26 on the driving shaft 23 and the heat sealing base 42 on the chain group 41 are in contact and pressed next time, the plastic film is subjected to the next heat sealing. The heat-sealing length of the plastic bag is related to the meeting time of the heat-sealing cutter and the heat-sealing base, and the length of the plastic bag can be adjusted by adjusting the rotation speed of the driving shaft 23 and the transfer speed of the transfer mechanism in addition to the number of the heat-sealing cutter 26 and the heat-sealing base 42.
The heat sealing knife 26 and the heat sealing base 42 start to press at the heat sealing starting point and start to separate at the heat sealing ending point, and the included angles of the connecting lines of the heat sealing starting point, the heat sealing ending point and the center of the driving shaft can be 90 degrees, so that the heat sealing time between the heat sealing knife 26 and the heat sealing base 42 is prolonged, the heat sealing quality is ensured, and meanwhile, the production efficiency is improved.
By using the synchronous heat sealing mechanism with the structure, heat sealing work can be carried out in the plastic film conveying process, so that the heat sealing work of the heat sealing mechanism and the conveying work of the conveying mechanism can be synchronously carried out, and the production efficiency of plastic bags is improved.
In order to ensure the stability, safety and reliability of the transmission assembly, the synchronous heat sealing mechanism further comprises a chain tensioning assembly, wherein the chain tensioning assembly can adjust the tightness of the chain group, prevent the chain from loosening and falling off, and ensure the normal work of the chain group; the abrasion of the chain wheel and the chain is reduced, and the service life of the chain wheel and the chain is prolonged.
The chain tensioning assembly comprises a tensioning cylinder 61, a cylinder connecting rod 63, a tensioning lever 64 and a pressing rod 65, wherein the tensioning cylinder 61 is arranged between the two side plates 11 through a cylinder fixing rod 62, and two ends of the cylinder fixing rod 62 are respectively connected to the two side plates 11; the tensioning lever 64 is arranged on the inner side surfaces of the two side plates 11, the middle part of the tensioning lever 64 is pivoted on the side plates 11, one end of the tensioning lever 64 is connected with the cylinder connecting rod 63, and the other end is connected with the pressing rod 65; the cylinder connecting rod 63 is cooperatively connected with the tensioning cylinder 61, and two ends of the pressing rod 65 are provided with pressing wheels 66, and the two pressing wheels 66 are respectively meshed with the two chain groups 41. When the chain set 41 is loosened, the tensioning cylinder 61 lifts the cylinder connecting rod 63 upwards, so that one end of the tensioning lever 64 connected with the cylinder connecting rod 63 is lifted upwards, and therefore one end of the tensioning lever 64 connected with the pressing rod 65 is pressed downwards, and the pressing wheels 66 at two ends of the pressing rod 65 also press the chain set 41 downwards, so that the tension of the chain set 41 is improved, the loosening of the chain set 41 is avoided, and the transmission effect of the chain set 41 is guaranteed. When the tension of the chain set 41 is over-hit, the abrasion among the chain set 41, the driven sprocket 32 and the driving sprocket 24 is serious, at this time, the tensioning cylinder 61 is adjusted to enable the piston rod of the tensioning cylinder 61 to shrink downwards, the chain set 41 lifts the compression wheel 66 upwards under the action of the tensioning force of the chain set 41, so that one end of the tensioning lever 64 connected with the compression rod 65 lifts upwards, and the other end of the tensioning lever 64 moves downwards to press against the tensioning cylinder 61, thereby reducing the tension of the chain set 41 and reducing the loss among the chain set 41, the driven sprocket 32 and the driving sprocket 24.
The foregoing embodiments of the present invention are not intended to limit the technical scope of the present invention, and therefore, any minor modifications, equivalent variations and modifications made to the above embodiments according to the technical principles of the present invention still fall within the scope of the technical proposal of the present invention.
Claims (6)
1. A synchronous heat-sealing mechanism of plastic bag is characterized in that: the device comprises a frame, a driving assembly, a driven assembly and a transmission assembly, wherein the frame comprises two side plates and a fixed rod connected between the two side plates; the driving assembly comprises a motor, a reduction gearbox and a driving shaft, wherein the motor is arranged on the outer side of one side plate and is connected with the driving shaft through the reduction gearbox; the driving shaft is connected between the two side plates, two driving chain wheels are arranged on the driving shaft, and the two driving chain wheels are respectively close to the inner side surfaces of the two side plates; a transition roller and a heat sealing cutter are arranged between the two driving chain wheels, and a heating rod or a heating sheet is arranged on the heat sealing cutter; the driven assembly comprises driven chain wheels and at least three driven wheel fixing rods, the driven wheel fixing rods are connected between the two side plates, each driven wheel fixing rod is provided with two driven chain wheels, and the two driven chain wheels are respectively close to the inner side surfaces of the two side plates; the transmission assembly comprises two chain groups which are connected to the driven sprocket and meshed with the driven sprocket, the chain groups are meshed with the driving sprocket, and a heat sealing base matched with the heat sealing knife is connected between the two chain groups;
the synchronous heat sealing mechanism further comprises a pressing assembly, the pressing assembly comprises a sliding seat top block and a sliding seat fixing rod, the sliding seat fixing rod is connected between the two side plates, the sliding seat top block is fixed on the sliding seat fixing rod, and the sliding seat top block is arranged above the driving shaft in an arch shape;
the synchronous heat sealing mechanism further comprises a chain tensioning assembly;
under the action of the conveying mechanism, the plastic film continuously enters the synchronous heat sealing mechanism, passes through the space between the driving shaft and the chain group of the synchronous heat sealing mechanism, and then enters the next processing mechanism for producing plastic bags; when the plastic film passes through the space between the driving shaft and the chain group in the conveying process, the motor of the driving assembly drives the driving shaft to rotate through the gearbox, the driving chain wheel on the driving shaft rotates along with the driving shaft, and the driving chain wheel drives the chain group to drive on the driven chain wheel; when the heat sealing knife on the driving shaft rotates to the position contacted with the chain group, the heat sealing base on the chain group also rotates to the position, the driving shaft continues to rotate, the heat sealing knife and the heat sealing base are gradually close and are pressed under the sliding seat top block, so that the plastic film in transmission is heat-sealed.
2. The synchronous heat seal mechanism for plastic bags of claim 1, wherein: a groove is formed at the position of the heat sealing base corresponding to the sliding seat top block, and a pulley capable of sliding on the sliding seat top block is arranged in the groove.
3. The synchronous heat seal mechanism for plastic bags of claim 1, wherein: the number of the sliding seat jacking blocks is more than two.
4. The synchronous heat seal mechanism for plastic bags of claim 1, wherein: the chain tensioning assembly comprises a tensioning cylinder, a cylinder connecting rod, a tensioning lever and a pressing rod, wherein the tensioning cylinder is arranged between two side plates through a cylinder fixing rod, and two ends of the cylinder fixing rod are respectively connected to the two side plates; the tensioning lever is arranged on the inner side surfaces of the two side plates, the middle part of the tensioning lever is pivoted on the side plates, one end of the tensioning lever is connected with the cylinder connecting rod, and the other end of the tensioning lever is connected with the pressing rod; the cylinder connecting rod is connected with tensioning cylinder cooperation, and the both ends of compressing tightly the pole are equipped with the pinch roller, and two pinch rollers mesh with two chain groups respectively.
5. The synchronous heat seal mechanism for plastic bags of claim 1, wherein: the transition roller is arranged on the periphery of the driving shaft and is connected between the two driving chain wheels through a chain wheel connecting seat.
6. The synchronous heat seal mechanism for plastic bags of claim 1, wherein: the heat sealing cutter is fixed on the periphery of the driving shaft through a heat sealing cutter fixing seat, the heat sealing cutter fixing seat comprises a first heat sealing cutter fixing seat and a second heat sealing cutter fixing seat, the first heat sealing cutter fixing seat is arranged along the axial direction of the driving shaft, and two ends of the first heat sealing cutter fixing seat are connected with a driving sprocket through sprocket connecting seats; one end of the second heat sealing knife fixing seat is connected with the heat sealing knife, and the other end of the second heat sealing knife fixing seat is connected with the first heat sealing knife fixing seat through an adjusting screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711461444.5A CN108000946B (en) | 2017-12-28 | 2017-12-28 | Synchronous heat sealing mechanism for plastic bags |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711461444.5A CN108000946B (en) | 2017-12-28 | 2017-12-28 | Synchronous heat sealing mechanism for plastic bags |
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| Publication Number | Publication Date |
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| CN108000946A CN108000946A (en) | 2018-05-08 |
| CN108000946B true CN108000946B (en) | 2023-11-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201711461444.5A Active CN108000946B (en) | 2017-12-28 | 2017-12-28 | Synchronous heat sealing mechanism for plastic bags |
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| CN102267250A (en) * | 2011-03-31 | 2011-12-07 | 厦门亚太创新机器有限公司 | Lacing plastic bag production equipment |
| CN103921972A (en) * | 2014-04-29 | 2014-07-16 | 如皋市包装食品机械有限公司 | Full-automatic chewing gum pillow-type packaging machine |
| WO2016054875A1 (en) * | 2014-10-10 | 2016-04-14 | 聚龙股份有限公司 | Full-automatic plastic package packing machine and packing method therefor |
| CN104986367A (en) * | 2015-05-21 | 2015-10-21 | 瑞安市恒丰信封纸袋机器厂 | Plastic bag heat sealing bag-making machine |
| CN204895971U (en) * | 2015-08-12 | 2015-12-23 | 浙江江南制药机械有限公司 | Hold membrane turn, pull to indulge and seal and finished product conveying equipment |
| CN107187107A (en) * | 2017-05-24 | 2017-09-22 | 盛亚红 | A kind of high efficiency heat-seal equipment for the medical dialyzing paper of high density polyethylene (HDPE) |
| CN207916186U (en) * | 2017-12-28 | 2018-09-28 | 厦门亚太创新机器有限公司 | The synchronization heat sealing mechanism of polybag |
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