CN214399202U - Adjustable tensioning film feeder - Google Patents
Adjustable tensioning film feeder Download PDFInfo
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- CN214399202U CN214399202U CN202023321839.5U CN202023321839U CN214399202U CN 214399202 U CN214399202 U CN 214399202U CN 202023321839 U CN202023321839 U CN 202023321839U CN 214399202 U CN214399202 U CN 214399202U
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Abstract
The utility model relates to a film feeder of adjustable tensioning, include: the supporting component comprises a bracket and a feeding roller; the feeding roller is used for bearing the film raw material; the adjusting assembly comprises a swing arm, a synchronous rod, a connecting rod, a supporting rod, a tensioning wheel, a limiting block, a driving piece and a positioning electric eye; the tensioning wheel is used for abutting against the film raw material; one end of the driving piece is connected with the bracket, and the other end of the driving piece is connected with the synchronizing rod; the driving piece is used for driving the swing arm to swing, adjusting an included angle between the swing arm and a horizontal plane, changing the abutting force of the tensioning wheel and the film raw material, and further adjusting the tension degree of the film raw material during feeding; the positioning electric eye is used for measuring the distance between the positioning electric eye and the synchronous rod. Above-mentioned film feeder of adjustable tensioning, simple structure, convenient to use swings through driving piece drive swing arm, adjusts the contained angle between swing arm and the horizontal plane, changes the butt dynamics between take-up pulley and the film raw materials, and then the rate of tension when adjusting the pay-off of film raw materials ensures finished product quality.
Description
Technical Field
The utility model relates to a wrapping bag production technical field especially relates to a film feeder of adjustable tensioning.
Background
In the production process of the existing bag making machine, film raw materials are all driven by a feeding roller, the feeding roller is driven by a motor to rotate at a constant speed, when the driving speed of the feeding roller is too low, a film is retained and is not tightened, so that wrinkles appear in the driving process; when the transmission speed of the feeding roller is too high, the film can be stretched to generate deformation, and the quality of a finished product is seriously influenced.
SUMMERY OF THE UTILITY MODEL
Based on this, the utility model provides a film feeder of adjustable tensioning, simple structure, convenient to use can ensure finished product quality at the rate of tension of pay-off in-process adjustment film.
In order to realize the utility model discloses a purpose, the utility model discloses a following technical scheme:
an adjustable tensioning film feeder comprising:
the supporting assembly comprises a bracket and a feeding roller connected to one end of the bracket; the feeding roller is used for bearing the film raw material; and
an adjustment assembly mounted on the support assembly; the adjusting assembly comprises swing arms pivoted on two opposite sides of one end of the bracket, which is far away from the feeding roller, a synchronizing rod connected between one ends of the swing arms, a connecting rod connected between the other ends of the swing arms, support rods connected with two opposite ends of the connecting rod, tensioning wheels respectively connected with two opposite ends of each support rod, a limiting block arranged on one side of the bracket, a driving piece arranged in the bracket and a positioning electric eye arranged on one side of the driving piece; the tensioning wheel is used for abutting against the film raw material; one end of the driving piece is connected with the bracket, and the other end of the driving piece is connected with the synchronous rod; the driving piece is used for driving the swing arm to swing, adjusting an included angle between the swing arm and a horizontal plane, changing the abutting force of the tensioning wheel and the film raw material, and further adjusting the tension degree of the film raw material during feeding; the positioning electric eye is used for measuring the distance between the positioning electric eye and the synchronous rod.
Above-mentioned film feeder of adjustable tensioning, simple structure, convenient to use swings through driving piece drive swing arm, adjusts the contained angle between swing arm and the horizontal plane, changes the butt dynamics between take-up pulley and the film raw materials, and then the rate of tension when adjusting the pay-off of film raw materials ensures finished product quality.
In one embodiment, the swing arm comprises a first section and a second section connected with the first section; the junction of the first section and the second section is a pivot point of the swing arm and the bracket, the first section is used for connecting the synchronous rod, and the second section is used for connecting the connecting rod; the length of the first segment is less than the length of the second segment.
In one embodiment, the first section is used for abutting against the bracket, and the second section is used for abutting against the limiting block; the length of the first section is larger than the distance between the pivot point of the swing arm and the bracket.
In one embodiment, the adjustment assembly further comprises a knob coaxially connected to one end of the connecting rod; the knob can drive the connecting rod to rotate.
In one embodiment, the drive member is a cylinder; the driving piece is provided with a cylinder body and a piston rod movably arranged in the cylinder body, the cylinder body is arranged in the support, and the piston rod is connected with the synchronizing rod.
In one embodiment, the adjustable tension film feeder further comprises a transmission assembly mounted at an end of the support remote from the feed roller; the transmission assembly comprises two transmission rollers arranged at one end of the bracket far away from the feeding roller, transmission wheels coaxially connected to one end of each transmission roller, a motor arranged below the transmission rollers, a power wheel coaxially connected with a rotor of the motor, a synchronous belt sleeved with the transmission wheels and the power wheel, and a protective cover arranged at one side of the bracket 11; the protective cover is simultaneously covered with the driving wheel, the power wheel and the synchronous belt; the tensioning wheel is positioned on one side of the driving roller, which is far away from the feeding roller.
In one embodiment, the driving roller and the motor are both positioned inside the bracket; the transmission wheel, the power wheel, the synchronous belt and the protective cover are all located outside the support.
In one embodiment, the two driving rollers are arranged in parallel at intervals, the driving rollers and the feeding rollers are arranged at intervals, and the axial direction of the driving rollers is consistent with that of the feeding rollers.
Drawings
Fig. 1 is a schematic perspective view of an adjustable tension film feeder according to an embodiment of the present invention;
FIG. 2 is a schematic perspective view of the adjustable tension film feeder of FIG. 1 from another perspective;
FIG. 3 is a schematic perspective view of the adjustable tension film feeder of FIG. 1 from another perspective, without the protective covering;
fig. 4 is an internal block diagram of the adjustable tension film feeder of fig. 3, which does not include a drive assembly.
Reference is made to the accompanying drawings in which:
10-support component, 11-bracket, 12-feed roller, 13-support leg, 14-film raw material;
20-a transmission assembly, 21-a transmission roller, 22-a transmission wheel, 23-a motor, 24-a power wheel, 25-a synchronous belt and 26-a protective cover;
30-adjusting component, 31-swing arm, 311-first section, 312-second section, 32-synchronous rod, 33-connecting rod, 34-knob, 35-supporting rod, 36-tension wheel, 37-limiting block, 38-driving piece and 39-positioning electric eye.
Detailed Description
In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. The preferred embodiments of the present invention are shown in the drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.
Referring to fig. 1 to 4, a film feeding machine with adjustable tension according to an embodiment of the present invention includes a supporting assembly 10, and a transmission assembly 20 and an adjusting assembly 30 mounted on the supporting assembly 10; the adjustment assembly 30 is located on one side of the transmission assembly 20.
The supporting assembly 10 comprises a bracket 11, a feeding roller 12 connected to one end of the bracket 11, and a plurality of supporting legs 13 arranged on the bottom surface of the bracket 11; feed rolls 12 are used to carry film stock 14.
The transmission assembly 20 is mounted at an end of the bracket 11 remote from the feed roller 12. The transmission assembly 20 comprises two transmission rollers 21 arranged at one end of the bracket 11 far away from the feeding roller 12, a transmission wheel 22 coaxially connected with one end of each transmission roller 21, a motor 23 arranged below the transmission rollers 21, a power wheel 24 coaxially connected with a rotor of the motor 23, a synchronous belt 25 sleeved with the transmission wheel 22 and the power wheel 24, and a protective cover 26 arranged at one side of the bracket 11; the protective cover 26 covers the transmission wheel 22, the power wheel 24 and the synchronous belt 25. Specifically, the driving roller 21 and the motor 23 are both located inside the bracket 11; the transmission wheel 22, the power wheel 24, the synchronous belt 25 and the protective cover 26 are all positioned outside the bracket 11.
In this embodiment, two driving rollers 21 are disposed in parallel at intervals, and the driving rollers 21 are mounted on the top of one end of the bracket 11 far away from the feeding roller 12. Specifically, the driving roller 21 and the feeding roller 12 are arranged at an interval, and the axial direction of the driving roller 21 is consistent with the axial direction of the feeding roller 12.
The adjusting assembly 30 is mounted at an end of the bracket 11 remote from the feed roller 12. The adjusting assembly 30 comprises swing arms 31 pivoted to opposite sides of one end of the support 11 away from the feeding roller 12, a synchronizing rod 32 connected between one ends of the swing arms 31, a connecting rod 33 connected between the other ends of the swing arms 31, a knob 34 coaxially connected to one end of the connecting rod 33, support rods 35 connected to opposite ends of the connecting rod 33, tension wheels 36 respectively connected to opposite ends of each support rod 35, a limit block 37 installed on one side of the support 11, a driving member 38 installed inside the support 11, and a positioning electric eye 39 installed on one side of the driving member 38; one end of the driving member 38 is connected to the synchronizing bar 32, and the other end of the driving member 38 is connected to the bracket 11. Wherein, knob 34 and connecting rod 33 coaxial coupling, rotatory 34 can drive connecting rod 33 and rotate, adjusts the contained angle between bracing piece 35 and the horizontal plane, and then the rate of tension when adjusting film raw materials 14 pay-off. The tension roller 36 is located on the side of the driving roller 21 away from the feed roller 12, and the tension roller 36 is used for abutting against the film raw material 14. The positioning electric eye 39 is used for measuring the distance between the positioning electric eye 39 and the synchronizing rod 32, and further converting and determining the included angle between the swing arm 31 and the horizontal plane, and further determining the tension degree of the film raw material 14 during feeding.
The swing arm 31 includes a first section 311 and a second section 312 connected to the first section 311. The junction of the first section 311 and the second section 312 is a pivot point between the swing arm 31 and the bracket 11, the first section 311 is used for connecting the synchronization rod 32, the second section 312 is used for connecting the connection rod 33, and the length of the first section 311 is smaller than that of the second section 312. Further, the first section 311 is used for abutting against the bracket 11, the second section 312 is used for abutting against the limit block 37, specifically, the length of the first section 311 is greater than the distance between the pivot point of the swing arm 31 and the bracket 11, so as to prevent the swing arm 31 from falling without a lower limit, and the swing range of the swing arm 31 can be limited by matching with the limit block 37.
In the present embodiment, the driving member 38 is a cylinder; the driving piece 38 is provided with a cylinder body and a piston rod movably installed in the cylinder body, the cylinder body is installed in the support 11, the piston rod is connected with the synchronizing rod 32, the swing arm 31 is driven to swing by the expansion and contraction of the piston rod, the included angle between the swing arm 31 and the horizontal plane is adjusted, the abutting force between the tension wheel 36 and the film raw material 14 is changed, and further the tension degree of the film raw material 14 during feeding is adjusted.
Above-mentioned film feeder of adjustable tensioning, simple structure, convenient to use swings through driving piece 38 drive swing arm 31, adjusts the contained angle between swing arm 31 and the horizontal plane, changes the butt dynamics between take-up pulley 36 and the film raw materials 14, and then the rate of tension when adjusting the pay-off of film raw materials 14 ensures finished product quality.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (8)
1. A film feeder of adjustable tensioning, comprising:
the supporting assembly comprises a bracket and a feeding roller connected to one end of the bracket; the feeding roller is used for bearing the film raw material; and
an adjustment assembly mounted on the support assembly; the adjusting assembly comprises swing arms pivoted on two opposite sides of one end of the bracket, which is far away from the feeding roller, a synchronizing rod connected between one ends of the swing arms, a connecting rod connected between the other ends of the swing arms, support rods connected with two opposite ends of the connecting rod, tensioning wheels respectively connected with two opposite ends of each support rod, a limiting block arranged on one side of the bracket, a driving piece arranged in the bracket and a positioning electric eye arranged on one side of the driving piece; the tensioning wheel is used for abutting against the film raw material; one end of the driving piece is connected with the bracket, and the other end of the driving piece is connected with the synchronous rod; the driving piece is used for driving the swing arm to swing, adjusting an included angle between the swing arm and a horizontal plane, changing the abutting force of the tensioning wheel and the film raw material, and further adjusting the tension degree of the film raw material during feeding; the positioning electric eye is used for measuring the distance between the positioning electric eye and the synchronous rod.
2. The adjustable tensioning film feeder of claim 1, wherein the swing arm includes a first section, and a second section connecting the first section; the junction of the first section and the second section is a pivot point of the swing arm and the bracket, the first section is used for connecting the synchronous rod, and the second section is used for connecting the connecting rod; the length of the first segment is less than the length of the second segment.
3. The adjustable tensioning film feeder of claim 2, wherein the first section is configured to abut the bracket and the second section is configured to abut the stop block; the length of the first section is larger than the distance between the pivot point of the swing arm and the bracket.
4. The adjustable tensioning film feeder of claim 1, wherein the adjustment assembly further comprises a knob coaxially connected to one end of the connecting rod; the knob can drive the connecting rod to rotate.
5. The adjustable tensioning film feeder of claim 1, wherein the driving member is an air cylinder; the driving piece is provided with a cylinder body and a piston rod movably arranged in the cylinder body, the cylinder body is arranged in the support, and the piston rod is connected with the synchronizing rod.
6. The adjustable tensioning film feeder of claim 1, further comprising a transmission assembly mounted at an end of the carriage remote from the feed roller; the transmission assembly comprises two transmission rollers arranged at one end of the bracket far away from the feeding roller, transmission wheels coaxially connected to one end of each transmission roller, a motor arranged below the transmission rollers, a power wheel coaxially connected with a rotor of the motor, a synchronous belt sleeved with the transmission wheels and the power wheel, and a protective cover arranged at one side of the bracket (11); the protective cover is simultaneously covered with the driving wheel, the power wheel and the synchronous belt; the tensioning wheel is positioned on one side of the driving roller, which is far away from the feeding roller.
7. The adjustable tensioning film feeder of claim 6, wherein the drive roller and the motor are both located inside the carriage; the transmission wheel, the power wheel, the synchronous belt and the protective cover are all located outside the support.
8. The adjustable tensioning film feeder according to claim 6, wherein the two driving rollers are arranged in parallel at intervals, the driving rollers are arranged at intervals with the feeding roller, and the axial direction of the driving rollers is consistent with that of the feeding roller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023321839.5U CN214399202U (en) | 2020-12-31 | 2020-12-31 | Adjustable tensioning film feeder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023321839.5U CN214399202U (en) | 2020-12-31 | 2020-12-31 | Adjustable tensioning film feeder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214399202U true CN214399202U (en) | 2021-10-15 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023321839.5U Active CN214399202U (en) | 2020-12-31 | 2020-12-31 | Adjustable tensioning film feeder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214399202U (en) |
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2020
- 2020-12-31 CN CN202023321839.5U patent/CN214399202U/en active Active
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