Anti-scraping electronic dry film packaging inward rolling support

Abstract

The utility model discloses an anti-scratch electronic dry film package inner roll support which comprises a support body, the inner walls of the left side and the right side of the support body are rotationally connected with an inner roll assembly through bearings, the inner roll assembly comprises a main supporting shaft, the outer wall of the main supporting shaft is wrapped with a silica gel layer, and the outer wall of the silica gel layer is sleeved with a polytetrafluoroethylene braid layer. The outer wall of the tetrafluoroethylene woven layer is sleeved with a wear-resistant rubber layer, the outer wall of the wear-resistant rubber layer is evenly and rotatably connected with nylon balls, and the outer wall of the wear-resistant rubber layer is provided with a limiting chuck assembly. Under the matched transmission action of a synchronous belt wheel and a synchronous belt, two lead screws are driven to synchronously rotate, so that the lead screws push a supporting plate and a flexible rubber plate to synchronously move and adjust the position, and the supporting and limiting effects on the two sides of the anti-scraping electronic dry film are conveniently and flexibly adjusted.

Description

TECHNICAL FIELD

[0001] The utility model relates to inner volume support technical field, concretely is a kind of anti-scratch electronic dry film packaging inner volume support. BACKGROUND

[0002] With the rapid development of electronic industry, as the key material of precision electronic circuit board manufacturing, the quality requirement of electronic dry film is increasingly strict. Electronic dry film usually has the characteristics of ultra-thin and high precision. Even the extremely tiny scratch marks on the surface can cause open circuit, signal distortion and other serious quality problems in subsequent circuit board processing applications, resulting in product scrap.

[0003] The existing electronic dry film packaging inner volume support is mostly rough structure, generally only composed of simple metal or plastic material reel. When the dry film is wound, the dry film directly rubs with the support. In addition to the vibration and shaking in the transportation and handling process, the dry film is prone to scratch marks due to friction and collision. Moreover, it lacks flexible adaptive adjustment for dry films of different widths, making it difficult to meet diversified production needs and inconvenient for multifunctional use. SUMMARY

[0004] The utility model aims at providing a kind of anti-scratch electronic dry film packaging inner volume support to solve the problems raised in the above background.

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

[0006] An anti-scratch electronic dry film packaging inner volume support includes a support. The left and right inner walls of the support are rotationally connected to an inner volume assembly through bearings. The inner volume includes a main support shaft. The outer wall of the main support shaft is wrapped with a silica gel layer. The outer wall of the silica gel layer is sleeved with a polytetrafluoroethylene braided layer. The outer wall of the polytetrafluoroethylene braided layer is sleeved with a wear-resistant rubber layer. The outer wall of the wear-resistant rubber layer is uniformly rotationally connected to nylon balls. The outer wall of the wear-resistant rubber layer is installed with a limiting chuck assembly. The limiting chuck assembly includes a fixed disc and a movable disc slidingly installed on the outer wall of the fixed disc.

[0007] In a preferred embodiment of the utility model, the inner wall of the silica gel layer is uniformly provided with honeycomb holes. The outer walls of the two ends of the main support shaft are rotationally connected to the inner walls of the support through bearings.

[0008] In a preferred embodiment of the utility model, the fixed disc is symmetrically provided with two fixed discs. The fixed disc is fixedly installed on the outer wall of the wear-resistant rubber layer. The inner wall of the fixed disc is rotationally connected to a lead screw through a second bearing.

[0009] In a preferred embodiment of the utility model, two lead screws are provided, the movable disc is a flexible rubber plate, the outer wall of the flexible rubber plate is fixedly connected with a support plate, and the inner diameter of the support plate is greater than the sum of the diameters of the wear-resistant rubber layer and the nylon ball.

[0010] In a preferred embodiment of the utility model, the outer wall of the support plate is welded with a threaded rod, the inner wall of the threaded rod is provided with internal threads, and the internal threads of the inner wall of the threaded rod are threadedly connected with the outer wall of the lead screw.

[0011] In a preferred embodiment of the utility model, the inner wall of the fixed disc is provided with a through hole, the outer wall of the support plate is welded with a guide rod, and the outer wall of the guide rod is slidingly connected with the inner wall of the through hole.

[0012] In a preferred embodiment of the utility model, the outer wall of each of the two lead screws is fixedly provided with a synchronous pulley, the two synchronous pulleys are drivingly connected with a synchronous belt, and the end outer wall of the lead screw is fixedly provided with a hand wheel.

[0013] The additional aspects and advantages of the utility model will be partially given in the following description, partially will become obvious from the following description, or will be understood through the practice of the utility model.

[0014] 1. The silica gel layer, the polytetrafluoroethylene braided layer and the wear-resistant rubber layer are cooperatively used by being sleeved and installed on the outer wall of the main support shaft, so that the main support shaft can be flexibly contacted with the scratch-proof electronic dry film surface, thereby improving the protection of the scratch-proof electronic dry film.

[0015] 2. The chuck assembly is provided, the two lead screws are driven to synchronously rotate by the hand wheel and the cooperative transmission of the synchronous pulley and the synchronous belt, the lead screws drive the support plate and the flexible rubber plate to synchronously move and adjust the position, and the two sides of the scratch-proof electronic dry film are conveniently and flexibly adjusted to play a supporting and limiting role. BRIEF DESCRIPTION OF DRAWINGS

[0016] The above and / or additional aspects and advantages of the utility model will become apparent and more readily appreciated from the following description of the embodiments, with reference to the following drawings, in which:

[0017] Figure 1 It is a main view structural schematic diagram of a kind of scratch-proof electronic dry film packaging inner roll support;

[0018] Figure 2 It is a kind of scratch-proof electronic dry film packaging inner roll support exploded view schematic diagram;

[0019] Figure 3 It is a kind of scratch-proof electronic dry film packaging inner roll support support roll structure schematic diagram;

[0020] Figure 4 It is a kind of anti-scratch electronic dry film package in roll support in limiting component structure exploded view;

[0021] Figure 5 It is a kind of anti-scratch electronic dry film package in roll support in limiting component structure exploded view;

[0022] In the figure: support 100, main support shaft 200, silica gel layer 210, tetrafluoroethylene braided layer 220, wear-resistant rubber layer 230, nylon ball 231, fixed disc 300, through hole 310, second bearing 320, support plate 330, guide rod 331, threaded rod 332, internal thread 333, movable disc 340, lead screw 350, hand wheel 351, synchronous pulley 352, synchronous belt 353. DETAILED DESCRIPTION

[0023] The embodiments of the present application are described in detail below, and examples of the embodiments are shown in the drawings, wherein the same or similar reference signs represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary and are only used to explain the present application, and cannot be understood as a limitation of the present application.

[0024] Embodiment 1: as Figures 1-3 , including support 100, the inner wall of the left and right sides of the support 100 is rotatably connected to the inner roll assembly through the bearing, the inner roll includes the main support shaft 200, the outer wall of the main support shaft 200 is wrapped with the silica gel layer 210, the outer wall of the silica gel layer 210 is sleeved with the polytetrafluoroethylene braided layer 220, the outer wall of the polytetrafluoroethylene braided layer 220 is sleeved with the wear-resistant rubber layer 230, the outer wall of the wear-resistant rubber layer 230 is uniformly rotatably connected with the nylon ball 231, the outer wall of the wear-resistant rubber layer 230 is provided with a limiting chuck assembly, and the limiting chuck assembly comprises a fixed disc 300 and a movable disc 340 slidably installed on the outer wall of the fixed disc 300.

[0025] The specific use scene of this embodiment is: by sleeving and installing the silica gel layer 210, the polytetrafluoroethylene braided layer 220 and the wear-resistant rubber layer 230 on the outer wall of the main support shaft 200, the main support shaft 200 can be flexibly contacted with the surface of the anti-scratch electronic dry film, thereby improving the protection of the anti-scratch electronic dry film. The main support shaft 200 is made of carbon fiber composite material, has high strength, low density and good antistatic property, effectively avoids the potential harm of static electricity to the electronic dry film, and through the chuck assembly, by holding the hand wheel 351, under the cooperation and transmission of the synchronous pulley 352 and the synchronous belt 353, the two lead screws 350 are driven to rotate synchronously, so that the lead screw 350 drives the support plate 330 and the flexible rubber plate to move synchronously to adjust the position, which is convenient and flexible to adjust the supporting and limiting effect on both sides of the anti-scratch electronic dry film.

[0026] Embodiment 2: as Figure 1 and Figure 2 The inner wall of the silica gel layer 210 is uniformly provided with honeycomb holes, and the outer wall of the two ends of the main supporting shaft 200 is rotationally connected to the inner wall of the support 100 through bearings.

[0027] The specific use scenario of this embodiment is that the silica gel layer 210 is used to make the main supporting shaft 200 support and wind the anti-scratching electronic dry film, so that when the anti-scratching electronic dry film is subjected to tension, the silica gel layer 210 can play a certain role of elastic contraction, thereby facilitating the protection of the anti-scratching electronic dry film.

[0028] Embodiment 3: as Figures 3-5 Two fixed discs 300 are symmetrically arranged on the left and right, and the fixed disc 300 is fixedly installed on the outer wall of the wear-resistant rubber layer 230. The inner wall of the fixed disc 300 is rotationally connected to the lead screw 350 through the second bearing 320. The lead screw 350 is provided with two roots. The movable disc 340 is a flexible rubber plate. The outer wall of the flexible rubber plate is fixedly connected to the support plate 330. The inner diameter of the support plate 330 is greater than the sum of the diameters of the wear-resistant rubber layer 230 and the nylon ball 231. The outer wall of the support plate 330 is welded to the threaded rod 332. The inner wall of the threaded rod 332 is provided with an internal thread 333. The internal thread 333 on the inner wall of the threaded rod 332 is threadedly connected with the outer wall of the lead screw 350. The inner wall of the fixed disc 300 is provided with a through hole 310. The outer wall of the support plate 330 is welded to the guide rod 331. The outer wall of the guide rod 331 is slidably connected with the inner wall of the through hole 310. The outer walls of the two lead screws 350 are fixedly installed with synchronous pulleys 352. The two synchronous pulleys 352 are drivingly connected with a synchronous belt 353. The end outer wall of the lead screw 350 is fixedly installed with a hand wheel 351.

[0029] The specific use scenario of this embodiment is that the support plate 330 is used to install the flexible rubber plate, so that the flexible rubber plate is limited with the outer wall of the anti-scratching electronic dry film, and the protection effect of the anti-scratching electronic dry film is improved. The fixed disc 300 is used to support the support plate 330 and the flexible rubber plate. The hand wheel 351 is used to drive the two lead screws 350 to rotate synchronously under the cooperation of the synchronous pulley 352 and the synchronous belt 353, so that the lead screw 350 drives the support plate 330 and the flexible rubber plate to move synchronously to adjust the position, so that the left and right two flexible rubber plates play a role of preliminary limiting on the left and right sides of the anti-scratching electronic dry film.

[0030] The working principle of the utility model is: the technical personnel in the field uses, will main support shaft 200 pass through bearing rotation connection installation on the inner wall of support 100, pass through handheld hand wheel 351, under the cooperation transmission of synchronous pulley 352 and synchronous belt 353, drive two screw rod 350 synchronous rotation, make screw rod 350 promote support plate 330 and flexible rubber plate synchronous movement adjustment position, make left and right two flexible rubber plate to the left and right sides of anti-scratching electronic dry film play the role of primary limit, make the distance between two flexible rubber plates equal the width of anti-scratching electronic dry film, and make anti-scratching electronic dry film be located in the center position of wear-resistant rubber layer 230 top, spread anti-scratching electronic dry film on the outer wall of wear-resistant rubber layer 230 top, the head end of anti-scratching electronic dry film is bonded on the outer wall of winding roller through adhesive tape, through setting nylon ball bearing 231, make the connection of nylon ball bearing 231 and wear-resistant rubber layer 230 inner wall rolling connection, thereby make the surface of anti-scratching electronic dry film and nylon ball bearing 231 between rolling contact, thereby avoid anti-scratching electronic dry film winding, with the surface of wear-resistant rubber layer 230 scratch and cause anti-scratching electronic dry film damage, improve the protection effect to anti-scratching electronic dry film.

[0031] Although the embodiments of the utility model have been shown and described, those ordinarily skilled in the art can understand that: can carry out multiple changes, modification, replacement and variation to these embodiments without departing from the principles and purposes of the utility model, the scope of the utility model is defined by the claims and its equivalents.

Claims

1. A scratch-proof electronic dry film packaging inner roll support, comprising a support (100), the left and right side inner walls of the support (100) are rotatably connected with an inner roll assembly through a bearing, characterized in that, The inner volume comprises a main support shaft (200), the outer wall of the main support shaft (200) is wrapped with a silica gel layer (210), the outer wall of the silica gel layer (210) is sleeved with a polytetrafluoroethylene woven layer (220), the outer wall of the polytetrafluoroethylene woven layer (220) is sleeved with a wear-resistant rubber layer (230), the outer wall of the wear-resistant rubber layer (230) is uniformly connected with nylon balls (231), the outer wall of the wear-resistant rubber layer (230) is provided with a limiting chuck assembly, and the limiting chuck assembly comprises a fixed disc (300) and a movable disc (340) slidably mounted on the outer wall of the fixed disc (300).

2. A scratch resistant electronic dry film in-pack support according to claim 1, wherein The inner wall of the silica gel layer (210) is uniformly provided with honeycomb holes, and the outer wall of the two ends of the main support shaft (200) is rotatably connected with the inner wall of the support (100) through bearings.

3. A scratch resistant electronic dry film in-mold packaging inner roll holder according to claim 1, wherein The fixed disc (300) is symmetrically provided with two fixed discs (300), and the fixed disc (300) is fixedly installed on the outer wall of the wear-resistant rubber layer (230), and the inner wall of the fixed disc (300) is rotatably connected with a lead screw (350) through a second bearing (320).

4. A scratch resistant electronic dry film in-mold packaging inner roll holder according to claim 3, characterized in that, The lead screw (350) is provided with two lead screws (350), the movable disc (340) is a flexible rubber plate, the outer wall of the flexible rubber plate is fixedly connected with a support plate (330), and the inner diameter of the support plate (330) is greater than the sum of the diameters of the wear-resistant rubber layer (230) and the nylon ball (231).

5. A scratch resistant electronic dry film in-pack holder according to claim 4, wherein The outer wall of the support plate (330) is welded with a threaded rod (332), the inner wall of the threaded rod (332) is provided with an internal thread (333), and the internal thread (333) in the inner wall of the threaded rod (332) is threadedly connected with the outer wall of the lead screw (350).

6. A scratch resistant electronic dry film in-pack support according to claim 5, wherein, The inner wall of the fixed disc (300) is provided with a through hole (310), the outer wall of the support plate (330) is welded with a guide rod (331), and the outer wall of the guide rod (331) is slidably connected with the inner wall of the through hole (310).

7. A scratch resistant electronic dry film in-pack holder according to claim 6, wherein The outer wall of the two lead screws (350) is fixedly installed with a synchronous pulley (352), the two synchronous pulleys (352) are drivingly connected with a synchronous belt (353), and the end outer wall of the lead screw (350) is fixedly installed with a hand wheel (351).

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