CN211998015U - Non-stretching bag making machine feeding device - Google Patents
Non-stretching bag making machine feeding device Download PDFInfo
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- CN211998015U CN211998015U CN202020133335.1U CN202020133335U CN211998015U CN 211998015 U CN211998015 U CN 211998015U CN 202020133335 U CN202020133335 U CN 202020133335U CN 211998015 U CN211998015 U CN 211998015U
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Abstract
A non-stretching bag making machine feeding device is characterized in that a feeding swing frame is hinged to the lower portion of the rear end of a rack, a swing frame driving device is arranged between the feeding swing frame and the upper portion of the rear end of the rack, a discharging driving roller is arranged on the rack near the feeding swing frame, and the discharging driving roller is in transmission connection with a motor; the machine frame above the motor is provided with a conveying roller, and the machine frame is characterized in that only one conveying roller is arranged, and the front of the conveying roller is provided with a raw material lower stretching mechanism. The conveying roller is in transmission connection with the motor through a transmission mechanism or is driven by another motor. The advantages are that: by canceling a conveying roller, the plastic film cannot be clamped in the conveying process, so that wrinkles of the plastic film caused by clamping are avoided; the wind power of the wind curtain machine blowing downwards near the bamboo curtain is utilized to apply continuous pressure on the plastic film, so that the instant loose state of the plastic film is effectively avoided, and the wrinkles produced by the method are avoided. The structure is simplified, and the cost is reduced.
Description
Technical Field
The utility model relates to a feeding device of a non-stretching bag making machine, which is an important component of a plastic bag making machine.
Background
The raw material of the bag making machine for manufacturing the plastic bag is that a cylindrical film (or sheet) is wound on a tubular shaft, when in use, the wound raw material is lifted and placed on a feeding rack at the rear part of the bag making machine, and a discharging driving roller is arranged beside the raw material to drive the raw material to rotate; the plastic film drawn from the raw material roll is clamped by two tangentially arranged conveying rollers after passing through the guide roller and is conveyed to the subsequent processing stations (heat sealing cutting, folding, packaging and other stations). The plastic film is easy to wrinkle in the feeding and conveying process, and particularly after being clamped by two conveying rubber rollers, the plastic film is subjected to dead-fold, so that the manufactured product becomes waste.
Disclosure of Invention
The utility model provides a do not have tensile bag machine feedway solves the above-mentioned problem that prior art exists.
The technical scheme of the utility model is that: a non-stretching bag making machine feeding device comprises machine frames on two sides, wherein a feeding swing frame is hinged to the lower portion of the rear end of each machine frame, a swing frame driving device is arranged between each feeding swing frame and the upper portion of the rear end of each machine frame, a feeding driving roller is arranged on each machine frame near the feeding swing frame, and the feeding driving rollers are in transmission connection with a motor; the machine frame above the motor is provided with a conveying roller, and the machine frame is characterized in that only one conveying roller is arranged, and the front of the conveying roller is provided with a raw material lower stretching mechanism. The conveying roller is in transmission connection with the motor through a transmission mechanism or is driven by another motor.
The utility model has the advantages that:
1. by canceling a conveying roller, the plastic film cannot be clamped in the conveying process, so that wrinkles of the plastic film caused by clamping are avoided; the regular polygonal conveying roller is adopted, so that the friction force between the conveying roller and the plastic film is increased, and the plastic film is further prevented from being loosened to cause wrinkles.
2. An air curtain machine is arranged above the bamboo curtain, continuous pressure is applied to the plastic film by utilizing the wind power of downward blowing of the air curtain machine, the wind pressure is uniform and stable, and the air curtain machine and the bamboo curtain act together, so that the instant loose state of the plastic film is effectively avoided, and the wrinkles produced by the plastic film machine are prevented.
3. The opposite of conveying roller sets up the suction effect who increases the mechanism that rubs or utilize the suction hole of conveying roller to and the conveying roller of non-circular or brush structure, the homoenergetic increases the frictional force between plastic film and the conveying roller, thereby has increased the drive power of conveying roller to plastic film, in order to remedy to get rid of the not enough of drive power behind a conveying roller.
Drawings
Fig. 1 is a schematic view (with one side of a frame removed) of the overall structure of a first embodiment of the present invention (including only a bamboo curtain and a conveying roller);
fig. 2 is a schematic overall structure diagram of a second embodiment of the present invention (an air curtain is added to the first embodiment);
FIG. 3 is a schematic view of the external structure of the circular conveying roller of the present invention;
FIG. 4 is a left (right) view of FIG. 3;
FIG. 5 is a schematic view of the external structure of the conveying roller with the cavity and the air outlet hole of the present invention;
FIG. 6 is a left side view of FIG. 5;
FIG. 7 is a schematic view of the outer shape and structure of the linear and radial cross-section conveying roller of the present invention;
FIG. 8 is a left (right) view of FIG. 7;
fig. 9 is a schematic view of the shape and structure of the brush structure conveying roller according to the present invention;
FIG. 10 is a left (right) view of FIG. 9;
fig. 11 is a schematic view of the overall structure of a third embodiment of the present invention (a plectrum roller is added on the basis of the second embodiment);
FIG. 12 is a schematic view of the friction increasing mechanism of the present invention being a configuration of a pick roller;
FIG. 13 is a left (right) view of FIG. 12;
FIG. 14 is a schematic structural view of the friction-increasing mechanism of the present invention being a blow pipe (combined with a conveying roller);
fig. 15 is a schematic structural view of the friction increasing mechanism of the present invention being a pressing roller (combined with a conveying roller).
In the figure: 1. a frame (plate); 2. a guide roller; 3. a bamboo curtain; 4. an air curtain machine; 5. a conveying roller; 51. a concave ring; 52. a suction hole; 53. an air injection ring; 54. a gas injection nozzle; 55. an arc top; 56. a brush; 6. a first spring band support roller; 7. a braking device; 8. a heat seal device; 9. a guide roller; 10. a motor; 11. a synchronous belt; 12. a cylinder; 13. a raw material roller; 14. raw materials (plastic films); 15. a discharging driving roller; 16. a second spring band support roller; 17. a plectrum roller; 171. a blade; 18. a spring band; 19. a feeding swing frame; 20. a guide roller 21, a photoelectric sensor; 22. an air blowing pipe; 221. an air outlet; 23. a compression roller; 24. swinging arms; 25. and supporting the shaft.
Detailed Description
As shown in fig. 1, the first embodiment of the feeding device of a non-stretching bag making machine of the present invention is the basic structure of the present invention, comprising a frame 1 (which may be a side plate) on both sides, a feeding swing frame 19 hinged to the lower portion of the rear end of the frame 1, a cylinder 12 installed between the feeding swing frame 19 and the upper portion of the rear end of the frame 1 as a swing frame driving device, a feeding driving roller 15 installed on the frame 1 near the front of the feeding swing frame 19, the feeding driving roller 15 in transmission connection with a motor 10; a feed roller 5 is mounted on the frame 1 above and in front of the motor 10. The peripheral surface of the discharging driving roller 15 is generally provided with a material with a large friction force, such as rubber, plastic or the surface of a metal rod is provided with anti-skid grains.
The utility model discloses an important improvement part is: a pair of conveying rollers in the prior art is changed into only one conveying roller 5, and a bamboo curtain 3 is arranged in front of the conveying roller 5 to serve as a raw material lower stretching mechanism. The conveying roller 5 and the emptying driving roller 15 can be driven by a motor 10, that is, an output shaft of the motor 10 is respectively in transmission connection with the conveying roller 5 and the emptying driving roller 15 through two driving synchronous wheels and two synchronous belts 11. The feed roller 5 and the discharge drive roller 15 may be driven by a motor (not shown).
Referring to fig. 2, in the second embodiment of the present invention, on the basis of the previous embodiment, an air curtain machine 4 is added beside the bamboo curtain 3, and an air outlet of the air curtain machine 4 faces downward.
The air curtain machine 4 may also be used in place of the bamboo curtain 3 in the first embodiment.
Referring to fig. 1 to 4, the shaft of the feeding roller 5 according to the above embodiment of the present invention is made of a cylindrical metal material, and a rubber roller is provided on the outer periphery thereof.
A first spring band supporting roller 6 may be installed in parallel to the conveying roller 5 below the conveying roller, concave rings 51 may be provided at equal intervals on the outer circumferential surface of the conveying roller 5, a concave ring similar to the concave ring 51 may be provided on the outer circumferential surface of the first spring band supporting roller 6, and a closed-loop spring band 18 made of a coil spring may be wound around between the concave ring 51 of the conveying roller 5 and the concave ring of the first spring band supporting roller 6. The function of the spring band 18 is to prevent the plastic film 14 passing behind the feed roller 5 from being sucked up against the feed roller 5 by electrostatic forces.
A second spring band supporting roller 16 parallel to the discharging driving roller 15 is installed in front of the discharging driving roller 15, concave rings with equal intervals are arranged on the outer peripheral surfaces of the discharging driving roller 15 and the second spring band supporting roller 16, and a closed-loop spring band 18 made of a spiral spring is also encircled between the concave ring of the discharging driving roller 15 and the concave ring of the second spring band supporting roller 16. The function of the spring band 18 is the same as described above.
The cross section of the conveying roller 5 of the present invention may be a regular polygon (not shown).
Referring to fig. 5 and 6, the present invention can also be provided with a cavity in the cylindrical and regular polygonal conveying roller 5, and a plurality of suction holes 52 communicated with the cavity are provided on the outer peripheral surface of the conveying roller 5; an air injection ring 53 is hermetically and rotatably mounted on a shaft at one end of the conveying roller 5, an air injection nozzle 54 is arranged on the air injection ring 53, and the air injection nozzle 54 is communicated with a cavity in the conveying roller 5 through the air injection ring 53. When in use, the air injection nozzle 54 is connected with an air suction pump, and the plastic film bypassing the conveying roller 5 is adsorbed through the air suction holes 52, so that the driving force of the conveying roller 5 on the plastic film is increased.
Referring to fig. 7 and 8, the cross section of the feed roller 5 of the present invention is a straight line or a plurality of radial lines (the plurality of radial lines are shown by dotted lines in fig. 8) uniformly distributed along the original axial center, and an arc-shaped tip 55 (each radial line is approximately T-shaped) is provided at the tip of the straight line or the plurality of radial lines.
Referring to fig. 9 and 10, the conveying roller 5 of the present invention may also be a cylindrical brush structure.
Referring to fig. 11, an embodiment of a third overall structure of the present invention is based on the embodiment shown in fig. 1 and fig. 2, a friction increasing mechanism for increasing the friction between the raw material and the conveying roller is arranged in front of and above the conveying roller 5, and the friction increasing mechanism in fig. 11 is a shifting roller 17.
The friction increasing mechanism comprises a plectrum roller 17, an air blowing pipe 22 or a press roller 23.
As shown in fig. 12 and 13, the pick roller 17 has a structure in which elastic blades 171 are provided on the outer peripheral surface of the pick roller 17 so as to be uniformly distributed along the circumference. The blades 171 are axially spaced at equal intervals (may be continuous). The pick roller 17 is driven by a separate motor or by the motor 10. The elastic blades 171 are used for applying adhesive force to the plastic film bypassing the conveying roller 5, so that the friction force between the conveying roller 5 and the plastic film is increased, the plastic film can be smoothed, and wrinkles are avoided.
The combined structure of the blowpipe 22 and the conveyor roller 5 is shown in fig. 12 and 13, and a gas outlet hole or nozzle 221 is provided on the side of the blowpipe 22 facing the conveyor roller 5. The air ejected from the air outlet nozzle 221 exerts an adhesive force on the plastic film that has passed around the feed roller 5, similarly to the action of the above-described pick roller 17.
The structure of the press roller 23 is shown in fig. 15, wherein both ends of the press roller 23 are rotatably connected to one end of a swing arm 24, the other end of the swing arm 24 is rotatably connected to a support shaft 25, and the support shaft 25 is mounted on the frame 1. The press roller 23 presses the plastic film on the feed roller 5 by its own weight, and also increases the frictional force between the feed roller 5 and the plastic film. The pressing roller 23 can be provided at the front upper or rear upper side of the conveying roller 5 by the swing arm 24, and functions substantially the same. The use of the pressure roller 23 as a friction-increasing mechanism is only suitable for the cylindrical conveying roller 5 shown in fig. 3 and 5 (the conveying roller in fig. 5 generally does not need to be provided with the pressure roller 23 due to the suction effect).
Swing span drive arrangement except adopting cylinder 12, also can adopt the electric actuator who has the same function, like electric putter, the connection of motor and drive mechanism (any existing device such as link mechanism, gear train).
The utility model discloses still can conveying roller 5 the back be equipped with arresting gear 7, arresting gear 7 can adopt the cylinder to drive the depression bar of connecting on its lower extreme piston rod and reciprocate, the depression bar below have the die-pin, the cylinder drives the depression bar downstream during the braking, will clip through the plastic film 14 of depression bar and die-pin.
A heat sealing device 8 is arranged behind the braking device 7, and a guide roller 20 and a guide roller 9 are respectively arranged between the braking device 7 and the conveying roller 5 and behind the heat sealing device 8. A photoelectric sensor 21 is arranged above the discharging driving roller 15.
If the braking device 7 and the heat sealing device 8 are not provided, when the raw material plastic film 14 is used up or broken, an operator needs to mount the raw material end through a plurality of parts in front of and behind the conveying roller 5, which is very troublesome and reduces the working efficiency.
The braking device 7 and the heat sealing device 8 have the following functions: when the raw plastic film 14 is used up or broken, the photoelectric sensor 21 sends a signal to a controller of the bag making machine, the controller stops the machine and controls the brake device 7 to act to clamp the plastic film 14, an operator uses the heat sealing device 8 to heat-seal the front end and the rear end of the plastic film 14 together, and the bag making machine is restarted, so that the operation time is greatly saved, and the work efficiency is improved.
The utility model discloses when using (taking fig. 11 as an example), put down feed swing span 19 through cylinder 12, will roll up the both ends axle of the raw materials roller 13 of plastic film 14 and put on the feed swing span 19 of both sides, then upwards lift up the free end of feed swing span 19, raw materials roller 13 is rolling along with feed swing span 19 forward, until offseting with blowing drive roll 15. The end of the plastic film 14 is then passed forward through the heat-sealing device 8, the braking device 7, the guide roll 20, the feed roll 5 and the bottom of the bamboo curtain 3 in that order to a rear station. After the bag making machine is started, the motor 10 drives the conveying roller 5 and the discharging driving roller 15 to synchronously rotate, and the discharging driving roller 15 drives the raw material roller 13 to rotate through friction force. Air curtain machine 4 is bloied downwards and is applyed decurrent effort with plastic film 14 below with the combined action of bamboo curtain 3, make the plastic film 14 of this department extend, and make plastic film 14 and conveying roller 5 surface on conveying roller 5 fully laminate, and increase conveying roller 5 and plastic film 14's frictional force through plectrum roller 17's effect, conveying roller 5 drives plastic film 14 through frictional force and drives forward, two conveying roller 5 centre gripping plastic film's effect has been played promptly, the phenomenon that produces the fold with two conveying roller centre gripping plastic film has been avoided again.
Claims (14)
1. A non-stretching bag making machine feeding device comprises a rack (1), wherein a feeding swing frame (19) is hinged to the lower portion of the rear end of the rack (1), a swing frame driving device is arranged between the feeding swing frame (19) and the upper portion of the rear end of the rack (1), a discharging driving roller (15) is arranged on the rack near the feeding swing frame (19), and the discharging driving roller (15) is in transmission connection with a motor (10); a conveying roller (5) is arranged on the frame above the motor (10), and is characterized in that only one conveying roller (5) is arranged, and a raw material lower stretching mechanism is arranged in front of the conveying roller (5); the conveying roller (5) is in transmission connection with the motor (10) through a transmission mechanism or is driven by another motor.
2. The feeding device of non-stretching bag making machine as claimed in claim 1, wherein said material lower stretching mechanism is a bamboo curtain (3) or/and an air curtain (4), the air curtain (4) is arranged beside the bamboo curtain (3), and the air outlet of the air curtain (4) faces downward.
3. The apparatus as claimed in claim 1 or 2, wherein the shaft of the feed roller (5) is made of a cylindrical metal material and a rubber roller is provided on the outer periphery thereof.
4. The feeder of claim 3, wherein a first spring band supporting roller (6) is installed in parallel below the feed roller (5), concave rings are provided at equal intervals on the outer peripheral surfaces of the feed roller (5) and the first spring band supporting roller (6), and a closed-loop spring band (18) made of a coil spring is wound between the concave ring (51) of the feed roller (5) and the concave ring of the first spring band supporting roller (6).
5. The apparatus as claimed in claim 4, wherein a second spring band supporting roller (16) is installed in front of the discharging driving roller (15) in parallel with the discharging driving roller, concave rings are provided at equal intervals on the outer peripheral surfaces of the discharging driving roller (15) and the second spring band supporting roller (16), and a closed-loop spring band (18) made of a coil spring is wound between the concave ring of the discharging driving roller (15) and the concave ring of the second spring band supporting roller (16).
6. The feeder of claim 1 or 2, wherein the cross section of the conveyor roller (5) is a regular polygon.
7. The apparatus as claimed in claim 4, wherein the feed roller (5) has a cavity, and the feed roller (5) has a plurality of suction holes (52) formed in its outer peripheral surface and communicating with the cavity; an air injection ring (53) is hermetically and rotatably mounted on a shaft at one end of the conveying roller (5), and an air injection nozzle (54) is arranged on the air injection ring (53).
8. The feeder of the non-stretching bag making machine according to claim 4, characterized in that a friction increasing mechanism for increasing the friction between the raw material and the conveying roller is arranged in front of and above the conveying roller (5), the friction increasing mechanism comprises a press roller (23), a shifting sheet roller (17) or an air blowing pipe (22), two ends of the press roller (23) are rotatably connected to one end of a swing arm (24), the other end of the swing arm (24) is rotatably connected to a supporting shaft (25), and the supporting shaft (25) is arranged on the frame (1); elastic blades (171) are uniformly distributed along the circumference of the outer circumferential surface of the shifting sheet roller (17); an air outlet hole or an air outlet nozzle (221) is arranged on one side of the air blowing pipe (22) facing the conveying roller (5).
9. The non-stretching bag machine feeder of claim 8, wherein the blades (171) are axially spaced at equal intervals.
10. The feeder of claim 1 or 2, characterised in that the conveyor rollers (5) are of cylindrical brush configuration; or the cross section of the conveying roller (5) is in a straight line shape or a plurality of radial lines which are uniformly distributed along the original axial center, and arc-shaped top ends (55) are arranged at the top ends of the straight line shape and the plurality of radial lines.
11. The non-stretching bag making machine feeding device as claimed in claim 10, characterized in that a friction increasing mechanism for increasing the friction between the raw material and the conveying roller is arranged in front of and above the conveying roller (5), the friction increasing mechanism comprises a shifting sheet roller (17) or an air blowing pipe (22), and elastic blades (171) are uniformly distributed along the circumference on the outer circumferential surface of the shifting sheet roller (17); an air outlet hole or an air outlet nozzle (221) is arranged on one side of the air blowing pipe (22) facing the conveying roller (5).
12. The non-stretching bag machine feeder of claim 11 wherein the blades (171) are axially spaced at equal intervals.
13. The apparatus as claimed in claim 1, wherein said means for driving the swing frame comprises a pneumatic cylinder (12) or an electric means having the same function.
14. The apparatus as claimed in claim 1, wherein a brake device (7) is provided behind said feed roller (5), a heat sealing device (8) is provided behind said brake device (7), and a guide roller (20, 9) is provided between said brake device (7) and said feed roller (5) and behind said heat sealing device (8), respectively; a photoelectric sensor (21) is arranged above the discharging driving roller (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020133335.1U CN211998015U (en) | 2020-01-21 | 2020-01-21 | Non-stretching bag making machine feeding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020133335.1U CN211998015U (en) | 2020-01-21 | 2020-01-21 | Non-stretching bag making machine feeding device |
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| Publication Number | Publication Date |
|---|---|
| CN211998015U true CN211998015U (en) | 2020-11-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020133335.1U Active CN211998015U (en) | 2020-01-21 | 2020-01-21 | Non-stretching bag making machine feeding device |
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| CN (1) | CN211998015U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111152510A (en) * | 2020-01-21 | 2020-05-15 | 廊坊中凤机械科技有限公司 | Feeding device of non-stretching bag making machine in upper driving mode |
-
2020
- 2020-01-21 CN CN202020133335.1U patent/CN211998015U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111152510A (en) * | 2020-01-21 | 2020-05-15 | 廊坊中凤机械科技有限公司 | Feeding device of non-stretching bag making machine in upper driving mode |
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