CN109822975B - Continuous heat sealing machine for plastic bags - Google Patents
Continuous heat sealing machine for plastic bags Download PDFInfo
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- CN109822975B CN109822975B CN201910221276.5A CN201910221276A CN109822975B CN 109822975 B CN109822975 B CN 109822975B CN 201910221276 A CN201910221276 A CN 201910221276A CN 109822975 B CN109822975 B CN 109822975B
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- 238000007789 sealing Methods 0.000 title claims abstract description 54
- 239000004033 plastic Substances 0.000 title claims abstract description 34
- 230000007246 mechanism Effects 0.000 claims abstract description 54
- 239000002985 plastic film Substances 0.000 claims abstract description 45
- 229920006255 plastic film Polymers 0.000 claims abstract description 45
- 238000006073 displacement reaction Methods 0.000 claims abstract description 14
- 239000000463 material Substances 0.000 claims abstract description 10
- 238000003825 pressing Methods 0.000 claims description 14
- 230000006698 induction Effects 0.000 claims description 13
- 238000007599 discharging Methods 0.000 claims description 8
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 4
- 239000000741 silica gel Substances 0.000 claims description 4
- 229910002027 silica gel Inorganic materials 0.000 claims description 4
- 230000003028 elevating effect Effects 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 4
- 230000008569 process Effects 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 230000009471 action Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 6
- 238000002360 preparation method Methods 0.000 description 4
- 238000004804 winding Methods 0.000 description 4
- 238000001514 detection method Methods 0.000 description 3
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 238000007664 blowing Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000000694 effects Effects 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
- 238000006467 substitution reaction Methods 0.000 description 1
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- Lining Or Joining Of Plastics Or The Like (AREA)
Abstract
The invention relates to the technical field of plastic bag processing, and discloses a continuous plastic bag heat sealing machine which comprises a base and a workbench, wherein the left end of the base is provided with a constant-speed traction mechanism, the right end of the base is provided with a material roller, the top surface of the workbench is fixedly provided with a square box, two ends of the top surface of the square box are fixedly provided with sliding seats, two parallel sliding rods are arranged between the sliding seats, a left supporting roller is arranged between the left ends of the two sliding rods, a right supporting roller is arranged between the right ends of the two sliding rods, the center of a base plate is fixedly provided with a supporting plate, the side surface of the supporting plate is fixedly provided with a lifting mechanism, the lower end of the lifting mechanism is provided with a heat sealing head assembly, and the lower end; and a displacement compensation mechanism is arranged in the square box. In the process of manufacturing the plastic bag by the plastic film, the plastic bag is continuously discharged from the traction mechanism without stop, so that the waiting time is saved, and the processing efficiency of the plastic bag is greatly improved.
Description
Technical Field
The invention relates to the technical field of plastic bag processing, in particular to a continuous heat sealing machine for plastic bags.
Background
The traditional plastic bag is usually formed by blowing and forming a plastic film into a tubular plastic film cylinder, the plastic film cylinder is rolled by a compression roller to form a semi-finished plastic bag, the semi-finished plastic bag is a continuous double-layer strip-shaped plastic film, the strip-shaped plastic film is wound on a material roller, a heat sealing line is formed by performing equidistant heat sealing on the strip-shaped plastic film through a heat sealing machine, a tearing line is pressed beside the heat sealing line and is finally rolled into a cylindrical finished plastic bag, and when the plastic bag is used, the bag body is torn down along the tearing line to form an independent plastic bag. The prior strip-shaped plastic film moves along a workbench of a heat sealing machine under the action of a traction mechanism, when the position of a tearing line and a heat sealing line which need to be prepared moves to the position right below a heat sealing head and a tearing line pressing head, the traction mechanism stops moving, the plastic film on the workbench is in a stop state, the plastic film simultaneously descends through the heat sealing head and the tearing line pressing head to act on the plastic film to form a heat sealing line and a tearing line, then the heat sealing head and the tearing line pressing head ascend and reset, the traction mechanism starts to work to pull the plastic film forward for a section of displacement, the actions are repeated, and finally the heat sealing line and the tearing line are formed on the very long plastic film. However, the drawing mechanism moves intermittently, waiting time exists in the plastic film, and the preparation efficiency of the plastic bag is reduced.
Disclosure of Invention
The invention provides a continuous heat sealing machine for plastic bags, which aims to solve the problem that in the prior art, waiting time exists during the forming of a tearing line and a heat sealing line in the plastic bag preparation process, so that the preparation efficiency of the plastic bags is reduced.
In order to achieve the purpose, the invention adopts the following technical scheme:
a continuous heat sealing machine for plastic bags comprises a base and a workbench fixed on the base, wherein a constant-speed traction mechanism is arranged at the left end of the base, a material roller is arranged at the right end of the base, a square box is fixed on the top surface of the workbench, sliding seats are fixed at two ends of the top surface of the square box, two parallel sliding rods are arranged between the sliding seats, a left supporting roller is arranged between the left ends of the two sliding rods, a right supporting roller is arranged between the right ends of the two sliding rods, a feeding roller is arranged on the right side surface of the workbench, a discharging roller is arranged on the left side surface of the workbench, a base plate is arranged between the top surfaces of the two sliding seats, a supporting plate is fixed at the center of the base plate, a supporting plate is fixed on the base plate, an elevating mechanism is fixed on the side surface of the supporting plate, a heat sealing head assembly is arranged at the lower end, A tear line pressing head for pressing the tear line; a connecting rod is fixed between the sliding rods, and a displacement compensation mechanism for driving the connecting rod to reciprocate is arranged in the square box; the plastic film on the material roller sequentially passes through the feeding roller, the right supporting roller, the left supporting roller, the discharging roller and the constant-speed traction mechanism.
When the slide bar moves rightwards and the moving speed value of the slide bar is equal to the feeding speed value of the plastic film, the plastic film is static relative to the heat sealing head assembly, the lifting mechanism drives the heat sealing head assembly to lift once, the heat sealing head on the heat sealing head assembly acts on the plastic film to prepare a heat sealing line, the tearing line pressing head on the heat sealing head assembly prepares a tearing line on the plastic film, after the heat sealing head assembly is reset, the displacement compensation mechanism drives the slide bar and the plastic film to move in the same direction, at the moment, the plastic film between the left support roller and the right support roller is rapidly fed at double speed and is displaced a distance forwards to catch up the waiting time during heat sealing operation, and the prepared plastic bag at the constant speed traction mechanism moves uniformly, Continuous discharging and no waiting time, thereby greatly improving the preparation efficiency of the plastic bag.
Preferably, the displacement compensation mechanism include motor, worm gear subassembly, drive block, the worm gear subassembly include casing, worm wheel, the casing pass through the bottom fixed connection of connecting plate with the square chest, the left end of worm passes through the shaft coupling and is connected with the motor, the right-hand member of worm passes through the guiding axle and is connected with the right side wall rotation of square chest, drive block and guiding axle sliding connection, be equipped with the slide opening in the drive block, be equipped with linear bearing between slide opening and the guiding axle, the upper end and the connecting rod fixed connection of drive block, the lower extreme side of drive block is equipped with rotates the seat, one side that the terminal surface of worm wheel is close to the edge is fixed with the actuating lever, be connected through the actuating arm between actuating lever and the rotation seat, the both ends of actuating arm rotate with actuating lever, rotation seat respectively and be connected. The motor drives the worm to rotate, the worm drives the worm wheel to rotate, the worm wheel drives the sliding rod to reciprocate through the driving rod and the driving arm which are eccentrically arranged, the guide shaft plays a role in guiding and positioning the driving block, and the overall stability is good.
Preferably, a proximity sensor is fixed at the lower end of the driving block, and a left induction block and a right induction block are arranged at the bottom of the square box; when the driving block moves leftwards to the limit position, the proximity sensor is aligned with the left sensing block, the lifting mechanism moves downwards once at the moment, the heat sealing head and the tear line pressing head are in contact with the plastic film, when the driving block moves rightwards to the limit position, the proximity sensor is aligned with the right sensing block, and the lifting mechanism moves upwards to reset at the moment. The action of the lifting mechanism is controlled through the position relation of the proximity sensor, the left induction block and the right induction block, and the overall stability is good.
Preferably, the lifting mechanism comprises a cylinder base and an electric cylinder, a bearing of the electric cylinder is fixedly connected with the heat sealing head assembly through a flange, a guide plate is arranged at the lower end of the cylinder base, two guide columns which are parallel to each other are arranged on the guide plate, and the lower ends of the guide columns are fixedly connected with the heat sealing head assembly. The lifting of the heat seal head assembly is driven by the lifting of the electric cylinder, so that the displacement precision is high and the stability is good.
Preferably, the feeding roller is connected with the right side of the workbench through an elastic telescopic rod, and guide rollers are arranged on two sides of the right side of the workbench, which are located on the elastic telescopic rod. In the moving process of the plastic film, particularly when the left supporting roller and the right supporting roller reciprocate, the elastic telescopic rod can adapt to the stretching of the plastic film through deformation so as to keep the plastic film in a tensioning state all the time.
Preferably, the constant-speed traction mechanism comprises a traction plate, a lower traction roller and an upper traction roller, the lower end of the traction plate is fixedly connected with the base, a traction motor connected with the lower traction roller is arranged on the back surface of the traction plate, a traction seat is arranged at the upper end of the back surface of the traction plate, connecting lugs are arranged on two sides of the traction seat, and the connecting lugs are connected with the traction plate through bolts; the inside vertical spout that is equipped with of lower extreme of traction seat is equipped with the sliding block in the spout, is equipped with on the traction plate and dodges the groove that corresponds with the spout, go up the carry over pinch rolls rotate with the sliding block to be connected, the upper end of sliding block is equipped with the pull rod, outside the upper end of pull rod was worn out the traction seat, the pull rod on be located the position cover between sliding block and the spout upper end and be equipped with the pressure spring, the upper end of pull rod is equipped with globular handle. When the plastic film feeding device is used, the spherical handle is held to lift the sliding block, the plastic film penetrates between the lower traction roller and the upper traction roller, the spherical handle is loosened, and the plastic film is clamped by the lower traction roller and the upper traction roller at the moment, so that the plastic film is pulled to feed at a constant speed.
Preferably, the outer side of the pull rod is sleeved with a rotating sleeve, the rotating sleeve is in threaded connection with the traction seat, the upper end of the pressure spring is abutted to the lower end face of the rotating sleeve, the upper end of the rotating sleeve extends to form a flange, and a pre-tightening spring is sleeved between the flange and the upper end face of the traction seat on the outer side of the rotating sleeve. The flange sleeve can be rotated to change the pressure of the pressure spring, so that the clamping force of the lower traction roller and the upper traction roller on the plastic film is changed, and the requirement is met.
Preferably, the surfaces of the upper traction roller and the lower traction roller are both fixed with silica gel sleeves. The silica gel cover can prevent the plastic bag from being scratched by burrs and the like on the surfaces of the upper traction roller and the lower traction roller.
Therefore, in the process of manufacturing the plastic bag by using the plastic film, the plastic bag is continuously discharged from the traction mechanism without stop, so that the waiting time is saved, and the processing efficiency of the plastic bag is greatly improved.
Drawings
FIG. 1 is a schematic diagram of a structure of the present invention.
Fig. 2 is a state diagram of the displacement compensation mechanism in fig. 1.
FIG. 3 is a view showing a state where the heat sealing head assembly is operated with the slide bar moved rightward.
Fig. 4 is a state diagram of the displacement compensation mechanism in fig. 3.
FIG. 5 is a schematic connection diagram of the slide bar, the left support roller and the right support roller.
Fig. 6 is a schematic structural diagram of the constant speed traction mechanism.
Fig. 7 is a schematic diagram of the internal structure of a traction seat in the constant-speed traction mechanism.
Fig. 8 is a partial structural schematic view of a plastic film.
In the figure: the device comprises a base 1, a workbench 2, a constant-speed traction mechanism 3, a material roller 4, a square box 5, a sliding seat 6, a sliding rod 7, a left supporting roller 8, a right supporting roller 9, a feeding roller 10, a discharging roller 11, a base plate 12, a supporting plate 13, a supporting plate 14, a lifting mechanism 15, a cylinder seat 150, an electric cylinder 151, a guide plate 152, a guide post 153, a heat sealing head assembly 16, a heat sealing head 17, a tear line pressing head 18, a connecting rod 19, a displacement compensation mechanism 20, a plastic film 21, an elastic telescopic rod 22, a guide roller 23, a heat sealing line 24, a tear line 25, a motor 200, a worm gear and worm assembly 201, a driving block 202, a shell 203, a worm 204, a worm gear 205, a connecting plate 206, a guide shaft 207, a linear bearing 208, a rotating seat 209, a driving rod 210, a driving arm 211, a proximity sensor 212, a left induction block 213, a right induction block 214, a traction plate 300, a, The connecting lug 305, the sliding chute 306, the sliding block 307, the avoiding groove 308, the pull rod 309, the pressure spring 310, the spherical handle 311, the rotating sleeve 312, the flange 313, the pre-tightening spring 314 and the silicone sleeve 315.
Detailed Description
The invention is further described with reference to the accompanying drawings and the detailed description below:
as shown in figures 1, 2 and 5, the continuous heat sealing machine for the plastic bags comprises a base 1 and a workbench 2 fixed on the base, wherein a constant-speed traction mechanism 3 is arranged at the left end of the base, a material roller 4 is arranged at the right end of the base, a square box 5 is fixed on the top surface of the workbench, sliding seats 6 are fixed at two ends of the top surface of the square box, two parallel sliding rods 7 are arranged between the sliding seats, a left supporting roller 8 is arranged between the left ends of the two sliding rods, a right supporting roller 9 is arranged between the right ends of the two sliding rods, a feeding roller 10 is arranged on the right side surface of the workbench, a discharging roller 11 is arranged on the left side surface of the workbench, a base plate 12 is arranged between the top surfaces of the two sliding seats, a supporting plate 13 is fixed at the center of the base plate, a supporting plate 14 is fixed on the base plate, a lifting mechanism 15 is fixed on the side surface of the supporting plate, a heat sealing head, A tear line pressing head 18 for pressing the tear line; a connecting rod 19 is fixed between the sliding rods, and a displacement compensation mechanism 20 for driving the connecting rod to reciprocate is arranged in the square box; the plastic film 21 on the material roller sequentially passes through the feeding roller, the right supporting roller, the left supporting roller, the discharging roller and the uniform-speed traction mechanism. The feed roll passes through elastic telescopic rod 22 to be connected with the right side of workstation, and the right side of workstation is located elastic telescopic rod's both sides and all is equipped with guide roll 23.
As shown in fig. 2 and 4, the displacement compensation mechanism 20 includes a motor 200, a worm and gear assembly 201, and a driving block 202, the worm and gear assembly includes a housing 203, a worm 204, and a worm gear 205, the housing is fixedly connected to the bottom of the square box through a connecting plate 206, the left end of the worm is connected to the motor through a coupling, the right end of the worm is rotatably connected to the right side wall of the square box through a guide shaft 207, the driving block is slidably connected to the guide shaft, a slide hole is provided in the driving block, a linear bearing 208 is provided between the slide hole and the guide shaft, the upper end of the driving block is fixedly connected to a connecting rod, a rotating seat 209 is provided on the side of the lower end of the driving block, a driving rod 210 is fixed on one side of the end surface of the worm gear close to the edge, the driving rod is connected to; a proximity sensor 212 is fixed at the lower end of the driving block 202, and a left induction block 213 and a right induction block 214 are arranged at the bottom of the square box; when the driving block moves leftwards to the limit position, the proximity sensor is aligned with the left sensing block, the lifting mechanism moves downwards once at the moment, the heat sealing head and the tearing line pressing head are in contact with the plastic film, when the driving block moves rightwards to the limit position, the proximity sensor is aligned with the right sensing block, and the lifting mechanism moves upwards to reset at the moment.
As shown in fig. 3, the lifting mechanism 15 includes a cylinder base 150 and an electric cylinder 151, a bearing of the electric cylinder is fixedly connected with the heat-sealing head assembly 16 through a flange, a guide plate 152 is arranged at the lower end of the cylinder base, two guide posts 153 parallel to each other are arranged on the guide plate, and the lower ends of the guide posts are fixedly connected with the heat-sealing head assembly.
As shown in fig. 6 and 7, the constant speed traction mechanism 3 includes a traction plate 300, a lower traction roller 301, and an upper traction roller 302, the lower end of the traction plate is fixedly connected with the base, a traction motor 303 connected with the lower traction roller is arranged on the back of the traction plate, a traction base 304 is arranged on the upper end of the back of the traction plate, engaging lugs 305 are arranged on two sides of the traction base, and the engaging lugs are connected with the traction plate through bolts; a vertical sliding groove 306 is formed in the lower end of the traction seat, a sliding block 307 is arranged in the sliding groove, an avoiding groove 308 corresponding to the sliding groove is formed in the traction plate, the upper traction roller is rotatably connected with the sliding block, a pull rod 309 is arranged at the upper end of the sliding block, the upper end of the pull rod penetrates out of the traction seat, a pressure spring 310 is sleeved on the position, between the sliding block and the upper end of the sliding groove, of the pull rod, and a spherical handle 311 is arranged at the upper end of the pull rod; a rotating sleeve 312 is sleeved on the outer side of the pull rod, the rotating sleeve is in threaded connection with the traction seat, the upper end of the pressure spring is abutted to the lower end face of the rotating sleeve, the upper end of the rotating sleeve extends to form a flange 313, and a pre-tightening spring 314 is sleeved on the outer side of the rotating sleeve and positioned between the flange and the upper end face of the traction seat; and the surfaces of the upper traction roller and the lower traction roller are both fixed with silica gel sleeves 315.
The principle of the invention is as follows with reference to the attached drawings: as shown in fig. 1, a plastic film 21 on a material roller 4 sequentially passes through a feed roller 10, a guide roller 23, a right support roller 9, a left support roller 8, a discharge roller 4 and a uniform-speed traction mechanism 3 and then is connected with a winding mechanism, the winding mechanism is an existing mechanism and is omitted in the drawing, and the winding mechanism only plays a role of winding plastic bags and does not have a traction function; when the worm wheel rotates to the position shown in figure 2 (namely the critical position of the right movement of the driving block), the proximity sensor detects the left sensing block, the proximity sensor generates a signal for the electric cylinder, the shaft end of the electric cylinder descends, the slide rod moves rightwards under the action of the driving block, the plastic film integrally moves leftwards under the action of the constant-speed traction mechanism, the two speeds are opposite and the same, the plastic film right above the supporting plate is static relative to the heat-sealing head assembly 16, the head assembly is driven by the electric cylinder to move downwards to be in contact with the plastic film in a heat-sealing mode, a heat-sealing line and a tearing line are formed on the plastic film, and then the electric cylinder is reset quickly, the process of once action of the electric cylinder is completed in the time interval between the detection of the proximity sensor and the detection of the left induction block and the detection of the right induction block by the proximity sensor, and when the proximity sensor detects the right induction block, if the electric cylinder is not reset, the electric cylinder must be reset unconditionally at the moment, so that the plastic film is prevented from being broken; after the electric cylinder is reset, the worm wheel is in the state shown in fig. 4, then the sliding rod and the plastic film simultaneously move leftwards for a certain displacement, and the worm wheel rotates to the state shown in fig. 2; and (4) performing reciprocating circulation to finally form heat sealing lines and tearing lines at equal intervals on the plastic film, as shown in figure 8.
The above is only a specific embodiment of the present invention, but the technical features of the present invention are not limited thereto. Any simple changes, equivalent substitutions or modifications made based on the present invention to solve the same technical problems and achieve the same technical effects are within the scope of the present invention.
Claims (6)
1. A continuous heat sealing machine for plastic bags comprises a base and a workbench fixed on the base, wherein a constant-speed traction mechanism is arranged at the left end of the base, a material roller is arranged at the right end of the base, a square box is fixed on the top surface of the workbench, sliding seats are fixed at two ends of the top surface of the square box, two parallel sliding rods are arranged between the sliding seats, a left supporting roller is arranged between the left ends of the two sliding rods, a right supporting roller is arranged between the right ends of the two sliding rods, a feeding roller is arranged on the right side surface of the workbench, a discharging roller is arranged on the left side surface of the workbench, a base plate is arranged between the top surfaces of the two sliding seats, a supporting plate is fixed at the center of the base plate, a supporting plate is fixed on the base plate, an elevating mechanism is fixed on the side surface of the supporting plate, a heat sealing head assembly is arranged at the lower end of the, A tear line pressing head for pressing the tear line; a connecting rod is fixed between the sliding rods, and a displacement compensation mechanism for driving the connecting rod to reciprocate is arranged in the square box; the plastic film on the material roller sequentially passes through a feeding roller, a right supporting roller, a left supporting roller, a discharging roller and a constant-speed traction mechanism; the displacement compensation mechanism comprises a motor, a worm and gear assembly and a driving block, wherein the worm and gear assembly comprises a shell, a worm and a worm gear, the shell is fixedly connected with the bottom of the square box through a connecting plate, the left end of the worm is connected with the motor through a coupler, the right end of the worm is rotatably connected with the right side wall of the square box through a guide shaft, the driving block is slidably connected with the guide shaft, a sliding hole is formed in the driving block, a linear bearing is arranged between the sliding hole and the guide shaft, the upper end of the driving block is fixedly connected with a connecting rod, a rotating seat is arranged on the side face of the lower end of the driving block, a driving rod is fixed on one side, close to the edge, of the end face of the worm gear, the driving rod is connected with the rotating seat through a driving arm, and two ends of the; a proximity sensor is fixed at the lower end of the driving block, and a left induction block and a right induction block are arranged at the bottom of the square box; when the driving block moves leftwards to the limit position, the proximity sensor is aligned with the left sensing block, the lifting mechanism moves downwards once at the moment, the heat sealing head and the tear line pressing head are in contact with the plastic film, when the driving block moves rightwards to the limit position, the proximity sensor is aligned with the right sensing block, and the lifting mechanism moves upwards to reset at the moment.
2. The continuous heat sealing machine for plastic bags according to claim 1, wherein the lifting mechanism comprises a cylinder base and an electric cylinder, the bearing of the electric cylinder is fixedly connected with the heat sealing head assembly through a flange, the lower end of the cylinder base is provided with a guide plate, the guide plate is provided with two guide posts parallel to each other, and the lower ends of the guide posts are fixedly connected with the heat sealing head assembly.
3. The continuous heat sealing machine for plastic bags according to claim 1, wherein the feeding roller is connected to the right side of the table through an elastic telescopic rod, and the guide rollers are disposed on the right side of the table on both sides of the elastic telescopic rod.
4. The continuous heat sealing machine for the plastic bags according to claim 1, wherein the constant speed traction mechanism comprises a traction plate, a lower traction roller and an upper traction roller, the lower end of the traction plate is fixedly connected with the base, a traction motor connected with the lower traction roller is arranged on the back surface of the traction plate, a traction seat is arranged at the upper end of the back surface of the traction plate, connecting lugs are arranged on two sides of the traction seat, and the connecting lugs are connected with the traction plate through bolts; the inside vertical spout that is equipped with of lower extreme of traction seat is equipped with the sliding block in the spout, is equipped with on the traction plate and dodges the groove that corresponds with the spout, go up the carry over pinch rolls rotate with the sliding block to be connected, the upper end of sliding block is equipped with the pull rod, outside the upper end of pull rod was worn out the traction seat, the pull rod on be located the position cover between sliding block and the spout upper end and be equipped with the pressure spring, the upper end of pull rod is equipped with globular handle.
5. The continuous heat sealing machine for plastic bags according to claim 4, wherein a rotating sleeve is sleeved on the outer side of the pull rod, the rotating sleeve is in threaded connection with the traction seat, the upper end of the pressure spring abuts against the lower end face of the rotating sleeve, the upper end of the rotating sleeve extends to form a flange, and a pre-tightening spring is sleeved on the outer side of the rotating sleeve between the flange and the upper end face of the traction seat.
6. The continuous heat sealing machine for plastic bags according to claim 4 or 5, wherein the surfaces of the upper and lower pulling rolls are fixed with silica gel sleeves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910221276.5A CN109822975B (en) | 2019-03-22 | 2019-03-22 | Continuous heat sealing machine for plastic bags |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910221276.5A CN109822975B (en) | 2019-03-22 | 2019-03-22 | Continuous heat sealing machine for plastic bags |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109822975A CN109822975A (en) | 2019-05-31 |
| CN109822975B true CN109822975B (en) | 2020-06-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910221276.5A Expired - Fee Related CN109822975B (en) | 2019-03-22 | 2019-03-22 | Continuous heat sealing machine for plastic bags |
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| CN (1) | CN109822975B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110936661B (en) * | 2019-12-25 | 2022-02-08 | 山东中塑泰富科技有限公司 | Continuous pressing type steaming and boiling packaging film production device |
| CN111331928B (en) * | 2020-03-09 | 2021-12-28 | 安徽恒玉包装制品有限公司 | A quick-drying equipment that dehumidifies for valve port container bag |
| CN112339383A (en) * | 2020-11-07 | 2021-02-09 | 江苏海美新材料有限公司 | Heat-resistant flame-retardant pet decorative film with warning function |
| CN112373127A (en) * | 2020-11-11 | 2021-02-19 | 刘季祥 | Heat sealing equipment and method for anti-impact plastic bag |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0505068A2 (en) * | 1991-03-22 | 1992-09-23 | Mobil Oil Corporation | Method of straightening heat seals on plastic film zipper bags |
| CN2464639Y (en) * | 2001-02-19 | 2001-12-12 | 杨秋良 | Fully automatic plastic film bag making machine |
| JP2005126084A (en) * | 2003-10-21 | 2005-05-19 | Seal Kogyo Kk | Sealing apparatus for packaging bag |
| CN201044978Y (en) * | 2007-04-24 | 2008-04-09 | 杨兴利 | Plastic film heat sealing capper |
| CN207954811U (en) * | 2018-03-08 | 2018-10-12 | 蚌埠市维光塑胶制品有限公司 | A kind of polybag is integrally machined process units |
| CN109834160A (en) * | 2019-03-22 | 2019-06-04 | 浙江机电职业技术学院 | A kind of continuous punching platform of metal tape |
-
2019
- 2019-03-22 CN CN201910221276.5A patent/CN109822975B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0505068A2 (en) * | 1991-03-22 | 1992-09-23 | Mobil Oil Corporation | Method of straightening heat seals on plastic film zipper bags |
| CN2464639Y (en) * | 2001-02-19 | 2001-12-12 | 杨秋良 | Fully automatic plastic film bag making machine |
| JP2005126084A (en) * | 2003-10-21 | 2005-05-19 | Seal Kogyo Kk | Sealing apparatus for packaging bag |
| CN201044978Y (en) * | 2007-04-24 | 2008-04-09 | 杨兴利 | Plastic film heat sealing capper |
| CN207954811U (en) * | 2018-03-08 | 2018-10-12 | 蚌埠市维光塑胶制品有限公司 | A kind of polybag is integrally machined process units |
| CN109834160A (en) * | 2019-03-22 | 2019-06-04 | 浙江机电职业技术学院 | A kind of continuous punching platform of metal tape |
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| CN109822975A (en) | 2019-05-31 |
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