CN216736835U - Roller type front smoothing device - Google Patents
Roller type front smoothing device Download PDFInfo
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- CN216736835U CN216736835U CN202123370467.XU CN202123370467U CN216736835U CN 216736835 U CN216736835 U CN 216736835U CN 202123370467 U CN202123370467 U CN 202123370467U CN 216736835 U CN216736835 U CN 216736835U
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Abstract
The utility model relates to a roller type preposed flattening device which comprises a mounting seat, a negative pressure cover and a protective film centering mechanism, wherein the negative pressure cover is provided with a negative pressure cavity, guide rollers are arranged on the front side and the rear side of the negative pressure cavity, the bottom of the negative pressure cover is connected with the mounting seat, a roller cavity is arranged at the top of the mounting seat at the bottom of the negative pressure cavity, a vacuum roller is arranged in the roller cavity, a vacuum cavity is arranged in the vacuum roller, a piston is arranged in the vacuum cavity, an adjusting screw rod is arranged in the vacuum roller, the rotating directions of the adjusting screw rod and threads matched with the two pistons are opposite, an air inlet hole is arranged at the top of the negative pressure cover, a vacuumizing hole is arranged at the bottom of the mounting seat, a vacuum port is arranged on the roller surface of the vacuum roller, and the vacuum port is communicated with the vacuum cavity. According to the utility model, the vacuum roll and the negative pressure cavity are used for smoothing the protective film, the vacuum roll and the protective film do not slide relatively, the protective film is prevented from being scratched, the protective film is gradually smoothed, the smoothing effect is good, the pistons symmetrically arranged from left to right are convenient for adjusting the vacuumizing length of the vacuum port, and the vacuum-smoothing device is suitable for protective films with different widths.
Description
Technical Field
The utility model relates to the technical field of protective film equipment, in particular to a roller type front smoothing device.
Background
The protection film raw materials is the coiled material usually, need cut into the sheet of different shapes with the protection membrane mould during production usually, therefore the protection film sends into the cross cutting machine through the area material usually when the cross cutting, the material area tiling of protection film will be guaranteed usually during the cross cutting, the fold can not appear, current mode adopts pinch roll to control tension, guarantee the material area tiling, but this kind of mode easily leads to the material area to warp when tension is great and lead to the adhesive force increase between the gum paper of protection film and the protection film main part, lead to the later stage to remove the waste material difficulty.
At present, also realize smoothing of protection film through vacuum negative pressure, chinese patent publication CN213412156U relates to a smoothing device with adjustable protection film leading interval, mounting panel including the level setting, set up in the cover that induced drafts of mounting panel bottom, run through the absorption hole of mounting panel from top to bottom, set up the evacuation pipe on the cover that induced drafts, induced draft cover open-top and with the laminating of mounting panel bottom, it is located the opening of the cover that induced drafts to adsorb the hole bottom, be provided with two lines of absorption holes of arranging about on the mounting panel, the mounting panel laminating of every line absorption hole top has about two stifled boards that distribute, stifled board bottom is equipped with the end cap that stretches into the absorption hole. The protective film adopting the mode has overlarge traction force, poor smoothing effect and easy scratching of the protective film.
SUMMERY OF THE UTILITY MODEL
In view of the defects of the prior art, the utility model aims to provide a roller type front flattening device.
The technical scheme adopted by the utility model for solving the technical problems is as follows: a roller type front smoothing device comprises a mounting seat, a negative pressure cover arranged at the top of the mounting seat, and a protective film centering mechanism arranged on the mounting seat at the rear side of the negative pressure cover, wherein the negative pressure cover is provided with a negative pressure cavity with an opening at the bottom, guide rollers are arranged at the front side and the rear side of the negative pressure cavity, the bottom of the negative pressure cover is connected with the mounting seat, a roller cavity is arranged at the top of the mounting seat at the bottom of the negative pressure cavity, a vacuum roller is arranged in the roller cavity, the axis of the vacuum roller extends leftwards and rightwards and is rotatably connected with the mounting seat, the upper half part of the vacuum roller is positioned in the negative pressure cavity, the top surface of the vacuum roller is higher than the bottom of the guide roller, a vacuum cavity extending along the axis of the vacuum roller is arranged in the vacuum roller, eudipleural pistons are arranged in the vacuum cavity, adjusting screw rods are arranged in the vacuum roller and are in threaded fit with the pistons, the adjusting screw rod is opposite to the rotating direction of the threads matched with the pistons, the vacuum roll is opposite to the circumferential direction of the pistons, an air inlet hole communicated with the center of the top of the negative pressure cavity is formed in the top of the negative pressure cover, a vacuumizing hole communicated with the center of the bottom of the roller cavity is formed in the bottom of the mounting seat, a vacuum port extending along the direction of a bus of the vacuum roll is formed in the roll surface of the vacuum roll, and the vacuum port is communicated with the vacuum cavity.
The protection film is smoothed through the vacuum roll and the negative pressure cavity in the design, the vacuum roll and the protection film do not have relative sliding, the scratch of the protection film is avoided, the protection film is gradually smoothed, the smoothing effect is good, the pistons which are symmetrically arranged are convenient for adjusting the vacuumizing length of the vacuum port, and the protection film with different widths is suitable.
As a further improvement of the design, the guide roller is an electrostatic elimination roller, so that the static electricity of the protective film is conveniently eliminated, and the surface of the protective film is prevented from being wrinkled again due to the static electricity.
As a further improvement of the design, the circumferential surface of the vacuum roll is provided with an annular vent groove, and the bottom of the vent groove is communicated with the vacuumizing hole. The annular vent groove is convenient for the vacuum pumping hole to be communicated with the vacuum cavity all the time.
As a further improvement of the design, the front side and the rear side of the roller cavity are provided with the closed convex edges extending into the vent grooves, so that the negative pressure in the vacuum cavity is convenient to ensure.
As a further improvement of the design, the roller surface of the vacuum roller is a rubber layer, so that the protective film is prevented from being scratched.
As a further improvement of the design, the air inlet hole is a taper hole with a large bottom and a small top, so that air flow can uniformly enter the negative pressure cavity.
As a further improvement of the design, the protective film centering mechanism comprises a T-shaped groove extending along the left and right sides of the mounting seat and an I-shaped block sliding along the T-shaped groove, the I-shaped block is arranged on the mounting seat in a bilateral symmetry mode, centering screws are arranged on the mounting seat, the thread turning directions of the centering screws matched with the two I-shaped blocks are opposite, and a hand wheel is arranged at one end of each centering screw. The centering device adopts a centering screw rod to arrange an I-shaped block strip, and is convenient to adjust.
As a further improvement of the design, the I-shaped block is provided with a bulge which abuts against the wider side top surface of the T-shaped groove, so that the friction damping between the I-shaped block and the T-shaped groove is reduced.
The utility model has the beneficial effects that: according to the utility model, the vacuum roll and the negative pressure cavity are used for smoothing the protective film, the vacuum roll and the protective film do not slide relatively, the protective film is prevented from being scratched, the protective film is gradually smoothed, the smoothing effect is good, the pistons symmetrically arranged from left to right are convenient for adjusting the vacuumizing length of the vacuum port, and the vacuum-smoothing device is suitable for protective films with different widths.
Drawings
The utility model is further illustrated with reference to the following figures and examples.
Fig. 1 is an overall sectional structure diagram of the present invention.
Fig. 2 is a schematic top view of the present invention.
Fig. 3 is a perspective view of the vacuum roll of the present invention in cooperation with a mounting block.
Fig. 4 is an overall sectional structure schematic diagram of the vacuum roll of the present invention.
In the figure, 1, a mounting base, 2, a vacuum port, 3, a vacuumizing hole, 4, a roller cavity, 5, a centering screw rod, 6, a bulge, 7, an I-shaped block, 8, a guide roller, 9, a negative pressure cover, 10, a negative pressure cavity, 11, an air inlet hole, 12, an adjusting screw rod, 13, a vacuum cavity, 14, a hand wheel, 15, a vacuum roller, 16, a T-shaped groove, 17, a vent groove, 18, a sealing rib and 19, a piston are arranged.
Detailed Description
The present invention will now be described in detail with reference to the drawings and specific embodiments, wherein the exemplary embodiments and descriptions are provided only for the purpose of illustrating the present invention and are not to be construed as limiting the present invention.
Example (b): a roller type front smoothing device comprises a mounting seat 1, a negative pressure cover 9 arranged at the top of the mounting seat 1, a protective film centering mechanism arranged on the rear side of the negative pressure cover 9 on the mounting seat 1, wherein the negative pressure cover 9 is provided with a negative pressure cavity 10 with an opening at the bottom, guide rollers 8 are arranged on the front side and the rear side of the negative pressure cavity 10, the bottom of the negative pressure cover 9 is connected with the mounting seat 1, a roller cavity 4 is arranged at the top of the mounting seat 1 at the bottom of the negative pressure cavity 10, a vacuum roller 15 is arranged in the roller cavity 4, the axis of the vacuum roller 15 extends leftwards and rightwards and is rotatably connected with the mounting seat 1, the upper half part of the vacuum roller 15 is positioned in the negative pressure cavity 10, the top surface of the vacuum roller 15 is higher than the bottom of the guide rollers 8, a vacuum cavity 13 extending along the axis of the vacuum roller 15 is arranged in the vacuum roller 15, and pistons 19 which are symmetrical leftwards and symmetrically arranged in the vacuum cavity 13, be equipped with adjusting screw 12 in the vacuum roll 15, adjusting screw 12 with 19 screw-thread fit of piston, adjusting screw 12 and two 19 complex screw threads are revolved to opposite, vacuum roll 15 is right 19 circumference of piston is spacing, 9 tops of negative pressure cover be equipped with the inlet port 11 of 10 top centers of negative pressure chamber intercommunication, 1 bottom of mount pad be equipped with the evacuation hole 3 of 4 bottom centers of roller chamber intercommunication, be equipped with on the 15 roll surfaces of vacuum roll and follow the vacuum opening 2 that 15 generating line directions of vacuum roll extend, vacuum opening 2 with vacuum cavity 13 intercommunication.
The protection film is smoothed through the vacuum roll 15 and the negative pressure cavity 10 in the design, the vacuum roll 15 and the protection film do not have relative sliding, the scratch of the protection film is avoided, the protection film is gradually smoothed, the smoothing effect is good, the piston 19 which is symmetrically arranged in the left and right direction is convenient for adjusting the vacuumizing length of the vacuum port 2, and the protection film with different widths is suitable.
As a further improvement of the present design, the guide roller 8 is an electrostatic elimination roller, which facilitates the elimination of the static electricity of the protective film and prevents the protective film surface from being wrinkled again due to the static electricity.
As a further improvement of the design, the circumferential surface of the vacuum roll 15 is provided with an annular vent groove 17, and the bottom of the vent groove 17 is communicated with the vacuumizing hole 3. The annular vent groove 17 facilitates the vacuum hole 3 to communicate with the vacuum chamber 13 at all times.
As a further improvement of the design, the front side and the rear side of the roller cavity 4 are provided with closed convex ribs 18 extending into the vent grooves 17, so that the negative pressure in the vacuum cavity 13 is ensured.
As a further improvement of the design, the roller surface of the vacuum roller 15 is a rubber layer to prevent the protective film from being scratched.
As a further improvement of the design, the air inlet hole 11 is a taper hole with a large bottom and a small top, so that air flow can uniformly enter the negative pressure cavity 10.
As a further improvement of the design, the protective film centering mechanism comprises a T-shaped groove 16 extending along the left and right sides of the mounting seat 1 and an I-shaped block 7 sliding along the T-shaped groove 16, the I-shaped blocks 7 are symmetrically arranged on the mounting seat 1 in the left and right direction, a centering screw rod 5 is arranged on the mounting seat 1, the matching screw threads of the centering screw rod 5 and the two I-shaped blocks 7 are opposite in rotating direction, and a hand wheel is arranged at one end of the centering screw rod 5. The centering device adopts the centering screw rod 5 to set up 7I-shaped blocks, and the adjustment is convenient.
As a further improvement of the design, the H-shaped block 7 is provided with a bulge 6 for abutting against the wider top surface of the T-shaped groove 16, so that the friction damping between the H-shaped block 7 and the T-shaped groove 16 is reduced.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes performed by the present specification and drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (8)
1. A roller type front smoothing device comprises a mounting seat, a negative pressure cover arranged at the top of the mounting seat, and a protective film centering mechanism arranged on the mounting seat at the rear side of the negative pressure cover, and is characterized in that the negative pressure cover is provided with a negative pressure cavity with an opening at the bottom, guide rollers are arranged on the front side and the rear side of the negative pressure cavity, the bottom of the negative pressure cover is connected with the mounting seat, a roller cavity is arranged at the top of the mounting seat at the bottom of the negative pressure cavity, a vacuum roller is arranged in the roller cavity, the axis of the vacuum roller extends leftwards and rightwards and is rotatably connected with the mounting seat, the upper half part of the vacuum roller is positioned in the negative pressure cavity, the top surface of the vacuum roller is higher than the bottom of the guide roller, a vacuum cavity extending along the axis of the vacuum roller is arranged in the vacuum roller, pistons in bilateral symmetry are arranged in the vacuum cavity, and an adjusting screw rod is arranged in the vacuum roller, the adjusting screw rod with piston screw-thread fit, adjusting screw rod and two piston complex screw thread revolves to opposite, the vacuum roll is right piston circumference is spacing, the negative pressure cover top be equipped with the inlet port of negative pressure chamber top center intercommunication, the mount pad bottom be equipped with the evacuation hole of gyro wheel chamber bottom center intercommunication, be equipped with on the vacuum roll surface along the vacuum port that vacuum roll generating line direction extends, the vacuum port with the vacuum cavity intercommunication.
2. The roller-type forward smoothing device of claim 1, wherein the guide roller is an electrostatic charge removing roller.
3. The roller-type leading smoothing device of claim 1, wherein said vacuum roll is provided with an annular air vent groove on the periphery, the bottom of said air vent groove communicating with said vacuuming hole.
4. The roller-type preposition smoothing device according to claim 3, wherein the roller cavity is provided with closed ribs extending into the vent grooves at the front and rear sides thereof.
5. The roller-type pre-smoothing device of claim 1, wherein the vacuum roll surface is a rubber layer.
6. The roller-type forward smoothing device of claim 1, wherein the air inlet hole is a tapered hole with a large bottom and a small top.
7. The roller type preposed flattening device according to claim 1, wherein the protective film centering mechanism comprises a T-shaped groove extending along the left and right sides of the mounting seat and a I-shaped block sliding along the T-shaped groove, the I-shaped blocks are symmetrically arranged on the mounting seat in the left and right directions, a centering screw rod is arranged on the mounting seat, the thread directions of the centering screw rod and the two I-shaped blocks are opposite, and a hand wheel is arranged at one end of the centering screw rod.
8. The roller type preposition smoothing device according to claim 7, wherein the shaped block is provided with a protrusion for abutting against the top surface of the wider side of the T-shaped groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123370467.XU CN216736835U (en) | 2021-12-30 | 2021-12-30 | Roller type front smoothing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123370467.XU CN216736835U (en) | 2021-12-30 | 2021-12-30 | Roller type front smoothing device |
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| Publication Number | Publication Date |
|---|---|
| CN216736835U true CN216736835U (en) | 2022-06-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123370467.XU Active CN216736835U (en) | 2021-12-30 | 2021-12-30 | Roller type front smoothing device |
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| CN (1) | CN216736835U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115107320A (en) * | 2022-07-23 | 2022-09-27 | 连云港乐富新材料有限公司 | Different-thickness film body fusion cutting guide device and method suitable for plastic packaging bag |
-
2021
- 2021-12-30 CN CN202123370467.XU patent/CN216736835U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115107320A (en) * | 2022-07-23 | 2022-09-27 | 连云港乐富新材料有限公司 | Different-thickness film body fusion cutting guide device and method suitable for plastic packaging bag |
| CN115107320B (en) * | 2022-07-23 | 2023-09-26 | 连云港乐富新材料有限公司 | Melt cutting guiding device and method applicable to plastic packaging bags with films of different thicknesses |
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