Dustproof processing equipment for protective film

By installing dust covers and negative pressure fan systems on the die-cutting equipment, the problem of dust affecting the die-cutting of protective film was solved, achieving efficient dust removal and equipment stability, and improving coating efficiency and quality.

CN224103098UActive Publication Date: 2026-04-10XIAMEN HONGTAISHENG ELECTRONICS TECH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-25
Publication Date
2026-04-10

AI Technical Summary

Technical Problem

When die-cutting mobile phone protective films, the exposed processing results in dust affecting coating efficiency and quality, and existing equipment is difficult to effectively remove dust.

Method used

A protective film dustproof processing equipment was designed, which adopts a die-cutting mechanism with an outer dustproof cover, and is equipped with a negative pressure fan and a dust removal mechanism. Dust is adsorbed through a dust suction pipe and a dust collection box, and combined with a vacuum adsorption hole and a negative pressure system, efficient dust removal is achieved.

Benefits of technology

It effectively reduces the impact of dust on processing quality, improves coating efficiency and equipment stability, reduces the frequency of manual cleaning, and ensures material alignment accuracy and stable equipment operation.

✦ Generated by Eureka AI based on patent content.

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    Figure CN224103098U_ABST
Patent Text Reader

Abstract

Dustproof processing equipment for protective films comprises a rack, die cutting mechanisms are arranged on the rack in the same horizontal direction, the die cutting mechanisms are linearly arranged in the conveying direction of products, and the die cutting mechanisms are sleeved with dustproof covers; the die cutting mechanism at least comprises a first die cutting roller set and a second die cutting roller set, the first die cutting roller set and the second die cutting roller set comprise circular knife devices and supporting rollers, the circular knife devices and the supporting rollers are matched with a die cutting material belt, the first die cutting roller set carries out die cutting on a release film to form a release film sheet, and the second die cutting roller set carries out die cutting on the release film sheet; the second die cutting roller group is used for carrying out die cutting on the mylar adhesive tape to form a mylar sheet, and the mylar sheet and the release film are compounded; the feeding mechanism is located on the lower portion of the die cutting mechanism, and the feeding mechanism comprises a Mylar adhesive tape roller matched with the second die cutting roller set; and the dust removal mechanism is arranged on the rack and comprises a negative pressure fan, and a dust outlet pipe is arranged at the output end of the negative pressure fan and used for sucking out dust in the protective film machining process.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a round knife die cutting technical field especially relates to a protective film dustproof processing equipment. BACKGROUND

[0002] Die cutting is a kind of cutting process of printing late processing, can be printed or other paper products according to the design good figure and make die cutting cutter version cutting, so that the shape of printed matter is no longer limited to straight edge right angle, in addition, it is used for precision electronic die cutting product die cutting machine, it is a comprehensive complexity in one cutting mode, involves human resources, industrial equipment, industrial process and management etc.

[0003] At present, die cutting mobile phone protective film is mostly exposed processing, cannot carry out dust removal well, will seriously affect coating efficiency and the overall quality of protective film. UTILITY MODEL CONTENT

[0004] In view of the deficiency of the background art, the utility model aims at providing a protective film dustproof processing equipment.

[0005] In order to achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0006] A protective film dustproof processing equipment, comprising

[0007] Frame, the same horizontal direction of the frame is equipped with die cutting mechanism, the die cutting mechanism is arranged in a straight line along the conveying direction of product, and the die cutting mechanism is equipped with a dust cover outside;

[0008] The die cutting mechanism comprises at least a first die cutting roller group and a second die cutting roller group, the first die cutting roller group and the second die cutting roller group include a round knife device and a supporting roller, the round knife device and the supporting roller cooperate with die cutting material belt, the first die cutting roller group carries out die cutting to the release film to form release film piece, the second die cutting roller group carries out die cutting to the mala tape to form mala piece, and the mala piece and the release film constitute a composite;

[0009] Feeding mechanism, located in the lower part of the die cutting mechanism, the feeding mechanism includes a mala tape roller matched with the second die cutting roller group; and

[0010] Dust removal mechanism, configured on the frame, comprising a negative pressure fan, the output end of the negative pressure fan is fixedly provided with a dust outlet pipe, for sucking out the dust in the protective film processing process.

[0011] Further, the dust removal mechanism further comprises a dust collecting box arranged outside the dust cover, and the dust collecting box is in communication with the dust outlet pipe; the input end of the negative pressure fan is provided with a dust suction pipe, and the dust suction pipe is provided with a plurality of dust suction openings corresponding to the die cutting roller groups.

[0012] Further, the die cutting mechanism further comprises a third die cutting roller group arranged between the first die cutting roller group and the second die cutting roller group, and used for collecting the release film.

[0013] Further, the device further comprises a winding device arranged at the output end of the die cutting mechanism, and used for winding the product output by the die cutting mechanism.

[0014] Further, the device further comprises a material collecting mechanism arranged at the upper position of the die cutting roller group, and the material collecting mechanism comprises a release film recycling roller.

[0015] Further, the feeding mechanism further comprises an outer frame placing roller, and the material collecting mechanism further comprises an outer frame waste collecting roller corresponding to the outer frame placing roller.

[0016] Further, the die cutting roller group comprises a machine table, and the machine table is sequentially provided with the circular knife body, a first supporting roller and a second supporting roller from top to bottom, and the circular knife and the first supporting roller cooperate to cut the material belt; and the first supporting roller and the second supporting roller cooperate to convey the material belt.

[0017] Further, the machine table is provided with a sliding groove and a pressing device corresponding to the two ends of the circular knife body, respectively, the sliding groove is arranged in the vertical direction, and the pressing device is arranged above the circular knife body.

[0018] Further, the pressing device comprises a pressing block and a fastener for adjusting the pressure of the pressing block on the circular knife, the lower end of the fastener is matched with the pressing block, and the pressing block abuts against the circular knife; the pressing device further comprises a mounting plate movably connected with the fastener, and the fastener is arranged in the mounting plate and connected with the pressing block.

[0019] Further, the side of the machine table close to the material collecting mechanism is provided with a guide roller matched with the material collecting mechanism.

[0020] The device has the advantages that:

[0021] 1. The protective film dustproof processing equipment has the advantages that: the dust removal mechanism is arranged, dust can be sucked when the feeding roller feeds, dust can be better and faster absorbed, dust can be directly sucked into the dust collecting box, good dust removal effect is achieved, the dust in the dust cover is effectively reduced, and the processing quality of the protective film is not affected.

[0022] 2、 The utility model provides a kind of protective film dustproof processing equipment, by the setting of third die cutting roller group, vacuum adsorption hole cooperates negative pressure system, and the release film scrap is quickly stripped and recycled, improves separation efficiency, reduces manual cleaning frequency.

[0023] 3、 The utility model provides a kind of protective film dustproof processing equipment, by the setting of die cutting roller group, machine table inhibits the vibration when high speed die cutting, ensure the stability of equipment under operating speed, briquetting cooperation realizes the vertical position of round knife, adapt to the die cutting demand of different thickness materials, transmission path accurate guidance eliminates material strip deviation, ensure the material alignment accuracy between multi-station. BRIEF DESCRIPTION OF DRAWINGS

[0024] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the drawings needed to be used in the embodiment or the prior art description will be briefly introduced below, and obviously, the drawings in the following description are only some embodiments of the utility model, and other drawings can be obtained according to these drawings without creative labor for those skilled in the art.

[0025] Fig. 1 It is a schematic view of the protective film dustproof processing equipment of the utility model;

[0026] Fig. 2 It is a schematic view of the die cutting roller group of the protective film dustproof processing equipment of the utility model.

[0027] In the drawing, 10, rack;201, first die cutting roller group;202, second die cutting roller group;203, third die cutting roller group;204, winding device;301, mala rubber belt roller;302, outer frame placing roller;401, machine table;402, round knife body;403, first supporting roller;404, second supporting roller;501, briquetting;502, fastener;503, mounting plate;601, release film recycling roller;602, outer frame waste collecting roller;701, negative pressure fan;702, dust suction pipe;7021, dust suction port. DETAILED DESCRIPTION

[0028] The utility model will be described in detail below. Figs. 1-2 The utility model is described in detail.

[0029] A kind of protective film dustproof processing equipment, including

[0030] Rack 10, die cutting mechanism is equipped in the same horizontal direction of the rack 10, the die cutting mechanism is arranged in straight line along the conveying direction of product, and the die cutting mechanism is equipped with dust cover;

[0031] The die-cutting mechanism includes at least a first die-cutting roller set 201 and a second die-cutting roller set 202, the first die-cutting roller set 201 and the second die-cutting roller set 202 include a circular knife device and a supporting roller, the circular knife device and the supporting roller cooperate to die-cut the material belt, the first die-cutting roller set 201 die-cuts the release film to form a release film piece, and the second die-cutting roller set 202 die-cuts the mala tape to form a mala piece, and the mala piece and the release film form a composite;

[0032] The feeding mechanism is located at a lower position of the die-cutting mechanism, and includes a mala tape roller 301 cooperating with the second die-cutting roller set 202.

[0033] The dust removal mechanism is arranged on the rack 10 and includes a negative pressure fan 701, and an exhaust pipe is fixedly arranged at an output end of the negative pressure fan 701 and used for sucking dust in a process of processing the protective film.

[0034] The dust cover is made of transparent acrylic material and covers the top and both sides of the die-cutting mechanism, and a front end is provided with an openable and closable maintenance door.

[0035] Further, the dust removal mechanism further includes a dust collection box arranged outside the dust cover, an inside of the dust collection box is in communication with the exhaust pipe, an input end of the negative pressure fan 701 is provided with a dust suction pipe 702, the dust suction pipe 702 is divided into a plurality of dust suction openings 7021, and the plurality of dust suction openings 7021 correspond to the die-cutting roller sets of the die-cutting mechanism respectively. A plurality of filter screens are arranged in the dust collection box, including a primary efficiency metal filter screen and a HEPA filter screen, and a drawer type dust collection box is arranged at a bottom.

[0036] The die-cutting mechanism is arranged in a straight line along a horizontal direction of the rack 10, the circular knife device of the first die-cutting roller set 201 cooperates with the supporting roller to die-cut the release film at a high speed to form a rectangular release film piece, and the second die-cutting roller set 202 synchronously operates, a special-shaped die is arranged on the circular knife, the mala tape is die-cut by the special-shaped die, and a mala piece matching a profile of the release film piece is formed. The mala piece is combined with the release film through a hot pressing roller. The mala tape roller 301 of the feeding mechanism is fixed by an air expansion shaft and is provided with a tension sensor for monitoring a tape tension in real time.

[0037] In the embodiment, the die-cutting mechanism further includes a third die-cutting roller set 203 arranged between the first die-cutting roller set 201 and the second die-cutting roller set 202 and used for collecting the release film piece. The third die-cutting roller set 203 is arranged between the first die-cutting roller set 201 and the second die-cutting roller set 202, a surface of the supporting roller is plated with hard chromium, a roller surface is provided with a vacuum suction hole, waste film edges of the release film are adsorbed through a negative pressure system, are guided into a waste collection box through a guide roller, and are provided with a CCD vision system for monitoring a position deviation of the release film piece in real time and feeding back and adjusting.

[0038] In the embodiment, the winding device 204 is arranged at the output end of the die-cutting mechanism to wind the product output by the die-cuting mechanism. The winding device 204 adopts a double-station rotary tower structure and comprises a driving winding roller and a standby empty roller. The winding tension is adjusted by a servo motor and a floating swing arm. When the die-cutting product accumulates to a set length, the station is automatically switched and the material belt is cut off, and the winding surface is attached with a non-slip silica gel layer to prevent material slipping

[0039] In the embodiment, the material collecting mechanism is arranged at the upper position of the die-cutting roller group and comprises a release film recycling roller 601. Further, the feeding mechanism further comprises an outer frame placing roller 302, and the material collecting mechanism further comprises an outer frame waste collecting roller 602 corresponding to the outer frame placing roller 302. The release film recycling roller 601 and the outer frame waste collecting roller 602 are arranged in a double-layer layout from top to bottom, the recycling roller is provided with a magnetic powder brake to automatically adjust the recycling speed according to the thickness of the release film. The outer frame placing roller 302 adopts a slitting structure and can simultaneously carry multiple rolls of wide outer frame materials. The surface of the waste collecting roller is sprayed with a Teflon coating to reduce the peeling resistance of the PET waste film.

[0040] In the embodiment, the die-cutting roller group comprises a machine table 401, and the machine table 401 is sequentially provided with a circular knife body 402, a first supporting roller 403 and a second supporting roller 404 from top to bottom. The circular knife and the first supporting roller 403 cooperate to cut the material belt, and the first supporting roller 403 and the second supporting roller 404 cooperate to convey the material belt.

[0041] In the embodiment, the machine table 401 is provided with a sliding groove and a pressing device corresponding to the two ends of the circular knife, respectively. The sliding groove is arranged in the vertical direction, and the pressing device is located above the circular knife. Further, the pressing device comprises a pressing block 501 and a fastener 502 for adjusting the pressure of the pressing block 501 on the circular knife, the lower end of the fastener 502 is matched with the pressing block 501, and the pressing block 501 abuts against the circular knife. The pressing device further comprises a mounting plate 503 movably connected with the fastener 502, and the fastener 502 is arranged in the mounting plate 503 and connected with the pressing block 501. Further, the side of the machine table 401 close to the material collecting mechanism is provided with a guide roller matched with the material collecting mechanism.

[0042] The above embodiments only illustrate the technical concept and characteristics of the present application, and the purpose is to enable those skilled in the art to understand the content of the present application and implement it, and cannot limit the protection scope of the present application. Any equivalent changes or modifications made according to the spirit and essence of the present application shall be covered within the protection scope of the present application.

Claims

1. A protective film dust-proof processing apparatus characterized by comprising: include A frame is provided with a die-cutting mechanism in the same horizontal direction. The die-cutting mechanism is arranged in a straight line along the product conveying direction and is covered with a dust cover. The die-cutting mechanism includes at least a first die-cutting roller group and a second die-cutting roller group. The first and second die-cutting roller groups include a circular knife device and a support roller. The circular knife device and the support roller cooperate to die-cut the material strip. The first die-cutting roller group die-cuts the release film to form a release film sheet, and the second die-cutting roller group die-cuts the Mylar tape to form a Mylar sheet. The Mylar sheet and the release film form a composite. A feeding mechanism, located below the die-cutting mechanism, includes a Mylar tape roller that cooperates with the second die-cutting roller group; and The dust removal mechanism, mounted on the frame, includes a negative pressure fan. The output end of the negative pressure fan is equipped with a dust outlet pipe for sucking out dust generated during the protective film processing.

2. The protective film dust-proof processing apparatus according to claim 1, wherein The dust removal mechanism also includes a dust collection box, which is located outside the dust cover. The interior of the dust collection box is connected to the dust outlet pipe. The input end of the negative pressure fan is provided with a suction pipe, which is provided with a plurality of suction ports, each of which corresponds to a die-cutting roller group of the die-cutting mechanism.

3. The protective film dust-proof processing apparatus according to claim 1, wherein The die-cutting mechanism further includes a third die-cutting roller group, which is disposed between the first die-cutting roller group and the second die-cutting roller group, and is used to collect the release film.

4. The protective film dust-proof processing apparatus according to claim 1, wherein It also includes a winding device, which is located at the output end of the die-cutting mechanism to wind up the products output by the die-cutting mechanism.

5. The protective film dusting apparatus according to claim 1, wherein It also includes a receiving mechanism located above the die-cutting roller assembly, the receiving mechanism including a release film recovery roller.

6. The protective film dust-proof processing apparatus according to claim 5, wherein The feeding mechanism further includes an outer frame placement roller, and the receiving mechanism further includes an outer frame waste collection roller corresponding to the outer frame placement roller.

7. The protective film dust-proof processing apparatus according to claim 4, wherein The die-cutting roller assembly includes a machine base, on which the circular blade body, the first support roller, and the second support roller are arranged sequentially from top to bottom. The circular blade and the first support roller cooperate to die-cut the material strip; the first support roller and the second support roller cooperate to convey the material strip.

8. The protective film dust-proof processing apparatus according to claim 7, wherein The machine base is provided with sliding grooves and clamping devices that respectively cooperate with both ends of the circular knife body. The sliding grooves are arranged in a vertical direction, and the clamping devices are located above the circular knife body.

9. The protective film dust-proof processing apparatus according to claim 8, wherein The clamping device includes a pressure block and a fastener for adjusting the pressure of the pressure block on the circular knife. The lower end of the fastener cooperates with the pressure block, and the pressure block abuts against the circular knife. The clamping device also includes a mounting plate movably connected to the fastener. The fastener passes through the mounting plate and is connected to the pressure block.

10. The protective film dust-proof processing apparatus according to claim 9, wherein The machine base is equipped with a guide roller that cooperates with the receiving mechanism on the side near the receiving mechanism.