CN218707795U - Traction mechanism for winding blown film - Google Patents
Traction mechanism for winding blown film Download PDFInfo
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- CN218707795U CN218707795U CN202223002523.9U CN202223002523U CN218707795U CN 218707795 U CN218707795 U CN 218707795U CN 202223002523 U CN202223002523 U CN 202223002523U CN 218707795 U CN218707795 U CN 218707795U
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- blown film
- screw rod
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Abstract
The utility model relates to a blown film production technical field discloses a drive mechanism for blown film rolling, including the connecting plate, two the same adjustment tanks are seted up to the one end of connecting plate, and swing joint has first lead screw between the inner chamber both sides of two adjustment tanks, and equal swing joint has the regulating block in two adjustment tanks, all installs C type frame on two regulating blocks. The utility model discloses a spread groove, the connecting block, pressure sensor, pressure display, the adjustment tank, the regulating block, first lead screw, the setting of C type frame and registration roller, the height of C type frame can be adjusted through twisting first lead screw, and then can adjust the pressure that the film overlap joint was pull on the registration roller, and then show the pressure of film to the registration roller on pressure display through pressure sensor, not only can avoid equipment vibrations to cause the registration roller to remove, influence the effect that the film was straightened, and can accurate control the dynamics of pulling before the film rolling, and then improve the effect that the film was pull.
Description
Technical Field
The utility model relates to a blown film production technical field specifically is a drive mechanism is used in blown film rolling.
Background
Film blowing, also known as flat-fold film tube extrusion or blown film extrusion, is a major method for producing plastic films. The plastic is added into an extruder, melted and extruded into a cylindrical shape from an annular gap of a front end opening die, compressed air is introduced from a central hole of a core rod of a machine head to blow the cylinder into a bubble tube shape, the longitudinal and transverse directions of the cylinder are extended at the moment to obtain the bubble tube with a certain blowing multiple, the bubble tube is cooled by an outer air ring, then the bubble tube is flattened by a guide clamping plate and a traction clamping roller to prevent air in the bubble tube from leaking to maintain the required constant blowing pressure, the flat folded double-layer film is formed by flattening the bubble tube, and finally the flat folded double-layer film is coiled by a coiling device.
In the existing patent (publication number: CN 202122442212.3), a traction device used in a film blowing machine comprises support plates fixed on a frame, guide shafts are fixed on both sides of each support plate, guide rollers rotatably connected with the corresponding guide shafts are arranged on the guide shafts, a sliding groove is further formed in each support plate between the two guide shafts, a plurality of sliding rails are arranged in each sliding groove, a sliding plate is further arranged in each sliding groove and slidably connected with the corresponding sliding rails, a support spring is further fixed in each sliding groove, a support frame is further fixed on each sliding plate, support devices are arranged on both sides of each support frame, each support device comprises positioning grooves symmetrically arranged on the support frame, positioning rods are further arranged in the positioning grooves, sliding blocks slidably connected with the positioning rods are further arranged on the positioning rods, and positioning shafts are further fixed between the two sliding blocks of each support device.
In the process of implementing the present invention, the inventor finds that at least the following problems exist in the prior art and are not solved: when an existing traction device operates, due to the fact that the positioning roller and the guide roller are connected with the spring, the positioning roller can move due to mechanical vibration, the traction force of the film can change, the effect that the film is straightened can be further influenced, the traction force of the film can not be adjusted, and then the traction effect of different films can be influenced.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a drive mechanism is used in blown film rolling has solved the problem that proposes in the background art.
In order to achieve the above object, the utility model provides a following technical scheme: a traction mechanism for winding a blown film comprises a connecting plate, wherein one end of the connecting plate is provided with two identical adjusting grooves, a first screw rod is movably connected between two sides of an inner cavity of each adjusting groove, adjusting blocks are movably connected in the two adjusting grooves, and C-shaped frames are mounted on the two adjusting blocks; spread groove, two have all been seted up to the inner chamber both sides of C type frame pressure sensor, two are installed to the equal formula of dismantling in the inner chamber bottom of spread groove equal swing joint has the connecting block in the spread groove, two swing joint has the pivot between the connecting block, two the equal fixedly connected with registration roller in the outside of pivot, the equal swing joint in one end both sides that the connecting plate is close to the registration roller has the guide roll.
As an alternative scheme of this application technical scheme, the one end fixedly connected with stopper that the regulating block is close to C type frame, the one end that C type frame is close to the regulating block has seted up the spacing groove, spacing inslot swing joint has the second lead screw.
As an alternative scheme of this application technical scheme, the outside of connecting block and the inner wall and the pressure sensor of spread groove closely laminate.
As an alternative scheme of the technical scheme, one end of the first screw rod and one end of the second screw rod respectively penetrate through the connecting plate and the C-shaped frame in a movable mode, and the hand wheels are fixedly connected to the first screw rod on the outer side of the connecting plate and the second screw rod on the outer side of the C-shaped frame.
As an optional scheme of this application, pressure display is installed to the one end both sides that the connecting plate is close to C type frame all can be dismantled formula.
As an alternative scheme of the technical scheme, the two sides of the outer portions of the positioning roller and the guide roller are fixedly connected with limit plates.
Compared with the prior art, the technical scheme of the application has the following beneficial effects:
1. this application technical scheme passes through the spread groove, the connecting block, pressure sensor, pressure display, the adjustment tank, the regulating block, first lead screw, the setting of C type frame and registration roller, the height of C type frame can be adjusted through twisting first lead screw, and then can adjust the trailing pressure of film overlap joint on the registration roller, and then show the pressure of film to the registration roller on pressure display through pressure sensor, not only can avoid equipment vibrations to cause the registration roller to remove, influence the effect that the film was straightened, and can the preceding dynamics of pulling of accurate control film rolling, and then improve the trailing effect of film.
2. This application technical scheme passes through the setting of stopper, spacing groove, second lead screw and C type frame, can adjust the distance between two registration rollers through twisting the second lead screw, and then can make the film flare-out, and then carries out the rolling with the film flare-out back, the quality of further assurance film rolling.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
fig. 1 is a schematic view of the overall structure of a traction mechanism for winding a blown film according to the present invention;
FIG. 2 is a front view of the inner wall of the C-shaped frame of the traction mechanism for winding the blown film of the present invention;
FIG. 3 is a front view of a connecting plate of a drawing mechanism for winding blown film according to the present invention;
fig. 4 is a side view of the C-shaped frame of the traction mechanism for rolling the blown film of the present invention.
In the figure: 1. a connecting plate; 101. an adjustment groove; 102. an adjusting block; 103. a first lead screw; 2. a C-shaped frame; 201. connecting grooves; 202. connecting blocks; 203. a rotating shaft; 204. a limiting groove; 205. a second lead screw; 3. a pressure display; 4. a positioning roller; 5. a hand wheel; 6. a guide roller; 7. a pressure sensor; 8. a limiting block; 9. a limiting disc.
Detailed Description
Referring to fig. 1-4, the present invention provides a technical solution: a traction mechanism for winding a blown film comprises a connecting plate 1, wherein one end of the connecting plate 1 is provided with two identical adjusting grooves 101, the two adjusting grooves 101 are arranged in parallel, a first screw rod 103 is movably connected between two sides of an inner cavity of the two adjusting grooves 101, adjusting blocks 102 are movably connected in the two adjusting grooves 101, the adjusting blocks 102 are spirally sleeved on the outer side of the first screw rod 103, and C-shaped frames 2 are arranged on the two adjusting blocks 102; spread groove 201 has all been seted up to C type frame 2's inner chamber both sides, pressure sensor 7 is installed to the equal formula of dismantling in the inner chamber bottom of two spread grooves 201, equal swing joint has connecting block 202 in two spread grooves 201, the outside of connecting block 202 and spread groove 201's inner wall and pressure sensor 7 closely laminate, and the frictional force of connecting block 202 and spread groove 201 inner wall is less, swing joint has pivot 203 between two connecting blocks 202, the equal fixedly connected with registration roller 4 in the outside of two pivot 203, the equal swing joint in one end both sides that connecting plate 1 is close to registration roller 4 has guide roll 6, pressure display 3 is installed to the equal formula of dismantling in one end both sides that connecting plate 1 is close to C type frame 2, pressure sensor 7's signal output part passes through the wire and is connected with pressure display 3's input.
In this kind of technical scheme, through connecting groove 201, connecting block 202, pressure sensor 7, pressure display 3, adjustment tank 101, regulating block 102, first lead screw 103, the setting of C type frame 2 and registration roller 4, through twisting the height that first lead screw 103 can adjust C type frame 2, and then can adjust the pressure that the film overlap joint was pull on registration roller 4, and then show the film on pressure display 3 to registration roller 4's pressure through pressure sensor 7, not only can avoid equipment vibrations to cause registration roller 4 to remove, influence the effect that the film was straightened, and can the preceding traction dynamics of accurate control film rolling, and then improve the trailing effect of film.
In some technical solutions, a limit block 8 is fixedly connected to one end of the adjusting block 102 close to the C-shaped frame 2, a limit groove 204 is formed in one end of the C-shaped frame 2 close to the adjusting block 102, a second lead screw 205 is movably connected to the inside of the limit groove 204, the limit block 8 is movably connected to the inside of the limit groove 204, and the limit block 8 is spirally sleeved on the outside of the second lead screw 205.
In the technical scheme, through the arrangement of the limiting block 8, the limiting groove 204, the second screw rod 205 and the C-shaped frame 2, the distance between the two positioning rollers 4 can be adjusted by screwing the second screw rod 205, so that the film can be straightened, the film is straightened and then wound, and the winding quality of the film is further ensured.
In some technical solutions, one end of the first lead screw 103 and one end of the second lead screw 205 respectively movably penetrate through the connecting plate 1 and the C-shaped frame 2, and the handwheels 5 are fixedly connected to the first lead screw 103 on the outer side of the connecting plate 1 and the second lead screw 205 on the outer side of the C-shaped frame 2.
In the technical scheme, through the arrangement of the hand wheel 5, a person can conveniently hold the first screw rod 103 and the second screw rod 205 by hands, and then the first screw rod 103 and the second screw rod 205 can be conveniently screwed.
In some technical schemes, the two outer sides of the positioning roller 4 and the guide roller 6 are fixedly connected with limit discs 9.
In this kind of technical scheme, through the setting of spacing dish 9, and then can carry on spacingly to the film on registration roller 4 and the guide roll 6, and then avoid the film to break away from registration roller 4 and guide roll 6 influences the quality of film rolling.
During operation, at first, be "nearly" font overlap joint the film in the outside of registration roller 4 and guide roll 6, then twist through handheld hand wheel 5 and move first lead screw 103 and can adjust the height of C type frame 2, and then can adjust the tensile pressure of film overlap joint on registration roller 4, and then show the pressure of film to registration roller 4 on pressure display 3 through pressure sensor 7, and then guarantee that registration roller 4 pulls the film with certain traction force, then twist through handheld hand wheel 5 and move second lead screw 205 and adjust the distance between two registration rollers 4, and then can make the film flare-out, and then carry out the rolling after flare-out with the film, not only can avoid equipment vibrations to cause registration roller 4 to remove, influence the effect that the film was flare-out, and can accurate control film traction force before rolling, and then improve the effect that the film was pull.
Claims (6)
1. The utility model provides a traction mechanism is used in blown film rolling, includes connecting plate (1), its characterized in that: two identical adjusting grooves (101) are formed in one end of the connecting plate (1), a first screw rod (103) is movably connected between two sides of an inner cavity of each adjusting groove (101), adjusting blocks (102) are movably connected in the two adjusting grooves (101), and C-shaped frames (2) are mounted on the two adjusting blocks (102);
spread groove (201), two have all been seted up to the inner chamber both sides of C type frame (2) pressure sensor (7), two are installed to the equal detachable formula in inner chamber bottom of spread groove (201) equal swing joint has connecting block (202), two swing joint has pivot (203), two between connecting block (202) the equal fixedly connected with registration roller (4) in the outside of pivot (203), the equal swing joint in one end both sides that connecting plate (1) is close to registration roller (4) has guide roll (6).
2. The traction mechanism for winding the blown film according to claim 1, wherein: the adjusting mechanism is characterized in that one end of the adjusting block (102) close to the C-shaped frame (2) is fixedly connected with a limiting block (8), one end of the C-shaped frame (2) close to the adjusting block (102) is provided with a limiting groove (204), and a second screw rod (205) is movably connected in the limiting groove (204).
3. The traction mechanism for winding the blown film according to claim 1, wherein: the outer side of the connecting block (202) is tightly attached to the inner wall of the connecting groove (201) and the pressure sensor (7).
4. The traction mechanism for winding the blown film according to claim 1, wherein: one end of the first screw rod (103) and one end of the second screw rod (205) respectively penetrate through the connecting plate (1) and the C-shaped frame (2) in a movable mode, and hand wheels (5) are fixedly connected to the first screw rod (103) on the outer side of the connecting plate (1) and the second screw rod (205) on the outer side of the C-shaped frame (2).
5. The traction mechanism for winding the blown film according to claim 1, wherein: and both sides of one end of the connecting plate (1) close to the C-shaped frame (2) are detachably provided with the pressure display (3).
6. The traction mechanism for winding the blown film according to claim 1, wherein: and the two outer sides of the positioning roller (4) and the guide roller (6) are fixedly connected with limit discs (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223002523.9U CN218707795U (en) | 2022-11-11 | 2022-11-11 | Traction mechanism for winding blown film |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223002523.9U CN218707795U (en) | 2022-11-11 | 2022-11-11 | Traction mechanism for winding blown film |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218707795U true CN218707795U (en) | 2023-03-24 |
Family
ID=85614161
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223002523.9U Active CN218707795U (en) | 2022-11-11 | 2022-11-11 | Traction mechanism for winding blown film |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218707795U (en) |
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2022
- 2022-11-11 CN CN202223002523.9U patent/CN218707795U/en active Active
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