Positioning structure for automobile black film processing

Abstract

The utility model discloses a positioning structure for processing an automobile black film, which relates to the technical field of film processing, and comprises two supports, a plurality of positioning plates, a plurality of positioning plates, a plurality of positioning plates and a plurality of positioning plates, the number of the supports is two, and a black film penetrates through a gap between the two supports; the two groups of conveying belts correspond to each other up and down, are mounted on the bracket, correspond to the upper surface and the lower surface of the black film respectively, and can clamp the edge of the black film. According to the positioning structure for processing the automobile black film, the two brackets which are attached to each other are adopted as supporting structures of the conveying belts, and the conveying belts correspond to the edges of the black film, so that the edges of the black film are clamped between the two conveying belts in the moving process of the black film; the technical problem that the form of the thin film cannot be kept stable all the time during existing thin film etching processing is effectively solved, then it is ensured that the position of the black film can still be kept constant in the laser etching process, and therefore the etching accuracy is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of film processing, and particularly relates to a positioning structure for automobile black film processing. Background Technique

[0002] A black film is an artificial lipid membrane, which is a bilayer membrane formed at the opening of a polytetrafluoroethylene membrane immersed in water. If a lipid solvent containing phospholipids (usually n-decane, etc.) is made into a solution and then coated on the pores of the polytetrafluoroethylene wall immersed in water, the lipid molecules can form a stable arrangement system due to thermodynamic reasons, and finally a bilayer membrane is produced on the pores.

[0003] Currently, a plastic film cutting and positioning device is disclosed in a Chinese patent with the patent application number: CN202322058729.1. It includes a base, a C-shaped frame is arranged on the top of the base, an electric push rod is arranged on the top of the C-shaped frame, a support plate is fixed at the rod end of the electric push rod, a cutting knife is detachably installed at the bottom of the support plate, positioning rollers are symmetrically and rotatably connected to the inner lower wall of the C-shaped frame on both sides of the cutting knife, positioning structures are symmetrically arranged at the bottom of the support plate directly above the positioning rollers, fixing blocks are symmetrically arranged at both ends of the top of the base on both sides of the C-shaped frame, a support roller is arranged between the fixing blocks, rotating shafts passing through the fixing blocks are symmetrically arranged on both side walls of the support roller, a motor is installed on one side wall of the base, and a pulley is arranged on one rotating shaft. This patent fixes the film by extrusion. Although it can play a role in fixing to a certain extent, it is only limited to when the positioning structure is working (i.e., during the extrusion process). That is, only during the process of the arc-shaped positioning plate extruding the film, the film will not move. At this time, the film relies on the tension between the two support rollers. However, the closer to the middle position of the film, the smaller the influence of this tension.

[0004] However, during the implementation of the above technical solution, it is found that there are at least the following technical problems:

[0005] It is impossible to always maintain the stability of the film form: In the existing film processing process, two main methods are used to fix the film. One is adsorption fixation, that is, the air inside the plate body is evacuated by generating an air pump to form a negative pressure. Under the action of the negative pressure, the film adheres to the plate body (patent application number: CN202220426943.0); the other is extrusion fixation, that is, the positioning plate is pushed towards the direction of the film by an electric push rod to clamp the film, making the film immovable, thereby realizing the fixation of the film. Although the above two methods can fix the film, they are both in the working state of the positioning structure. When the positioning structure is in the non - working state, the film is in a "non - constrained state", that is, at this time, the film is not limited and affected by the positioning structure. Therefore, the film is prone to shaking, displacement, or even folding in this state. And the subsequent positioning is based on the film having already appeared abnormal. If laser etching is performed on the film at this time, it will cause the image to be etched to shift or break, seriously affecting the stability and accuracy of laser etching. Therefore, the existing film positioning structures are not applicable to the laser etching of films. For this reason, we propose a positioning structure for automotive black film processing. Summary of the Utility Model

[0006] (1) Technical problems to be solved

[0007] In view of the deficiencies of the prior art, the present utility model provides a positioning structure for automotive black film processing, which solves the technical problem that the film form cannot be always kept stable during the existing film etching processing.

[0008] (2) Technical solutions

[0009] To achieve the above objectives, the present utility model is realized through the following technical solutions:

[0010] A positioning structure for automotive black film processing, which belongs to a part of the laser etching equipment. The laser etching machine includes a processing table and a protective box installed on the processing table. The laser etching machine is located inside the protective box and corresponds to the positioning structure up and down. In this way, after the black film is positioned, laser etching can be performed on the black film. In addition, we install a fixing frame capable of winding the black film to be processed at each end of the protective box. The positioning structure includes:

[0011] Two vertically corresponding brackets, and these two brackets are respectively arranged above and below the black film, so that the black film can pass through the gap between the two brackets.

[0012] Two mutually adhering conveyor belts, and these two conveyor belts correspond to the edges of the black film. In this way, the edges of the black film are clamped by the two conveyor belts, and the edges of the black film can be clamped, so that the edges of the black film are restricted and will not be displaced or folded, thereby realizing the positioning and fixation of the black film and facilitating subsequent processing.

[0013] Preferably, a fixing frame capable of winding the black film to be processed is installed at each end of the protective box. The positioning structure is located between the two fixing frames and can clamp and limit the black film between the two fixing frames, which facilitates the laser etching machine to etch the black film.

[0014] Among them, a laser etching machine is installed on the two processing platforms, and the laser etching machine corresponds to the exposed black film between the two brackets up and down.

[0015] Preferably, the conveyor belt includes two cylindrical rotating rods, gears sleeved on the rotating rods, and chains connected to the gears. In order to make the black film fit stably with the conveyor belt, a number of rubber plates are laid on the outside of the chain. In this way, when the rotating rod rotates, the rubber plates on the rotating rod can fit with the surface of the black film. Utilizing the flexible characteristics of the rubber material, when the rubber plate fits with the black film, the friction between the two can be increased.

[0016] Preferably, a base is connected to the opposite sides of the two chains, and the rubber plates are arranged on the base.

[0017] Among them, a retaining piece is provided on the side of the rubber plate facing the base. The base corresponds to the rubber plate one by one, and the rubber plate is located on the base. A sheet-shaped retaining piece is connected to the bottom of the rubber plate, and the retaining piece is inserted into the sliding groove at the top of the base, and the sliding groove and the retaining piece are connected by a spring.

[0018] Preferably, two opposite-pole magnets are installed on the rotating rod, and the magnetic poles on the opposite sides of the two opposite-pole magnets are the same, that is, on the opposite sides of the two opposite-pole magnets, they are N poles and N poles. In order to stably act on the magnet block on the retaining piece, when the base passes through the rotating rod, it is necessary to ensure that the retaining piece is located between the two opposite-pole magnets. At this time, the magnet block on the retaining piece will be located between the two opposite-pole magnets, and the magnetic force between the opposite-pole magnets and the magnet block will act on each other to compress the spring.

[0019] Preferably, an airbag pad is provided on the surface of the rubber plate, and the airbag pad fits with the black film.

[0020] Preferably, it includes two "hook"-shaped support side rods, and a guide roller and a winding roller are connected between the two support side rods. The winding roller on it is detachably connected to the support side rod. The black film wound around the surface of the winding roller first bypasses the guide roller and extends between the two brackets.

[0021] Preferably, a plug is inserted into the end of the winding roller, and the plug is connected to the inner wall of the winding roller by a spring.

[0022] Wherein, guiding grooves and docking grooves are formed on one side of the two support side rods opposite to each other, and the docking groove is located at the end of the guiding groove. When the bolt slides along the guiding groove to the position where the docking groove is located, the bolt is inserted into the docking groove under the action of the spring.

[0023] Preferably, a docking seat is embedded inside the docking groove, and an embedding groove capable of being plugged with the bolt is formed at one end of the docking seat, and the other end penetrates through the support side rod and is connected to the output shaft of the motor.

[0024] (III) Beneficial effects

[0025] 1. Since two mutually attached brackets are adopted as the support structure of the conveyor belt, and the conveyor belt corresponds to the edge of the black film, during the movement of the black film, the edge of the black film is clamped between the two conveyor belts. Therefore, the technical problem that the film cannot always maintain a stable form during the existing film etching process is effectively solved, and then the stability of the black film conveying process is realized, ensuring that the position of the black film remains constant during the laser etching process, thereby improving the accuracy of etching.

[0026] 2. Since a rubber plate with magnet blocks is adopted as the contact structure between the conveyor belt and the film, when it passes through the rotating rod, the docking magnet on the rotating rod interacts with the magnet blocks, causing the rubber plate to move towards the center, and the spring connected to the rubber plate is compressed. Therefore, when the rubber plate is subsequently attached to the edge of the black film, it can pull the black film outwards under the elastic force of the spring, so as to keep the black film always in an unfolded state.

[0027] 3. Since a bolt with a spring is adopted as the connection structure between the winding roller and the support side rod, the bolt can be retracted into the winding roller by pressing the bolt, and then the winding roller can be replaced and adjusted, increasing the installation difficulty of the black film to be processed. At the same time, the bolt on the winding roller is connected to the output shaft of the motor by using the docking seat, so that the winding roller can be driven to rotate during the rotation of the motor. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] The above description is only an overview of the technical solution of the present invention. In order to be able to understand the technical means of the present invention more clearly and implement it according to the content of the description, the following is a detailed description of the preferred embodiment of the present invention in conjunction with the drawings as follows.

[0029] Figure 1 It is the overall structure diagram of the embodiment of the present invention;

[0030] Figure 2 It is the internal structure diagram of the protection box in the embodiment of the present invention;

[0031] Figure 3Schematic diagram of the usage state of the fixing frame and the positioning component in the embodiment of the present utility model;

[0032] Figure 4 Schematic diagram of the structure of the fixing frame and the positioning component in the embodiment of the present utility model;

[0033] Figure 5 Exploded structure diagram of the positioning component in the embodiment of the present utility model;

[0034] Figure 6 Partial structure diagram of the conveyor belt in the embodiment of the present utility model;

[0035] Figure 7 Back structure diagram of the rubber plate in the embodiment of the present utility model;

[0036] Figure 8 Schematic diagram of the clamping of the conveyor belt and the black film in the embodiment of the present utility model;

[0037] Figure 9 One of the schematic diagrams of the structure of the end of the conveyor belt in the embodiment of the present utility model;

[0038] Figure 10 Another schematic diagram of the structure of the end of the conveyor belt in the embodiment of the present utility model;

[0039] Figure 11 Magnetic force analysis diagram of the magnet block and the opposite pole magnet in the embodiment of the present utility model

[0040] Figure 12 Exploded structure diagram of the fixing frame in the embodiment of the present utility model;

[0041] Figure 13 Exploded structure diagram of the end of the winding roller in the embodiment of the present utility model;

[0042] Figure 14 Schematic diagram of the pressing state of the plug pin in the embodiment of the present utility model.

[0043] Legend:

[0044] 1. Processing table;

[0045] 2. Protection box;

[0046] 3. Fixing frame; 31. Support side rod; 32. Guide roller; 33. Winding roller; 34. Docking groove; 35. Guide groove; 36. Plug pin; 37. Docking seat;

[0047] 4. Laser etching machine;

[0048] 5. Positioning component; 51. Bracket; 52. Connecting rod; 53. Driving box; 54. Output rod; 55. Conveyor belt; 551. Rotating rod; 552. Gear; 553. Chain; 554. Connecting piece; 555. Base; 556. Rubber plate; 557. Flap; 558. Magnet block; 559. Opposite-pole magnet. Detailed implementation manner

[0049] In an embodiment of the present application, by providing a positioning structure for automobile black film processing, the technical problem that the film cannot always maintain a stable form during the existing film etching process is effectively solved. During the existing film etching process, two mutually attached brackets are used as the support structure for the conveyor belt, and the conveyor belt is aligned with the edge of the black film. Thus, during the movement of the black film, the edge of the black film is clamped between the two conveyor belts, thereby realizing the stability of the black film conveying process, ensuring that the position of the black film remains constant during the laser etching process, and thus improving the accuracy of etching; since a rubber plate with a magnet block is used as the contact structure between the conveyor belt and the film, when it passes through the rotating rod, the docking magnet on the rotating rod interacts with the magnet block, causing the rubber plate to move towards the center, and the spring connected to the rubber plate is compressed. Therefore, when the rubber plate is subsequently attached to the edge of the black film, it can pull the black film outwards under the elastic force of the spring, so as to keep the black film always in an unfolded state.

[0050] Embodiment 1

[0051] The technical solution in the embodiment of the present application is to effectively solve the technical problem that the film cannot always maintain a stable form during the existing film etching process. The general idea is as follows:

[0052] In view of the problems existing in the prior art, the present utility model provides a positioning structure for automobile black film processing. Referring to Figure 1 and Figure 2 as shown, this positioning structure (positioning component 5) is part of a laser etching device. The laser etching machine 4 includes a processing table 1 and a protective box 2 installed on the processing table 1. The laser etching machine 4 is located inside the protective box 2 and corresponds to the positioning structure up and down. In this way, after the black film is positioned, laser etching can be performed on the black film; in addition, a fixing frame 3 capable of winding the black film to be processed is installed at each end of the protective box 2. This positioning structure is located between the two fixing frames 3 and can clamp and limit the black film between the two fixing frames 3, so that it is convenient for the laser etching machine 4 to etch the black film. The main technical point of the present application lies in the positioning structure, and the specific structure of this positioning structure is as follows:

[0053] Two corresponding upper and lower brackets 51, and these two brackets 51 are respectively arranged above and below the black film, so that the black film can pass through the gap between the two brackets 51, and the two brackets 51 are connected by a connecting rod 52 to form a rectangular frame structure, as Figure 3 shown. In this way, enough space can be reserved for laser etching during the subsequent laser etching process, that is, the area formed by the two connecting rods 52 and the two brackets 51 in the figure. This area is the laser area to be etched. The black film in this area is exposed and corresponds to the laser etching machine 4 up and down. The main purpose of the bracket 51 is to provide support for the conveyor belt 55, facilitating the conveyor belt 55 to clamp the edge of the black film.

[0054] In order to prevent the black film from shifting or folding during use, we set two mutually fitting conveyor belts 55 on the bracket 51, and these two conveyor belts 55 correspond to the edge of the black film, so that the edge of the black film is clamped by the two conveyor belts 55, and the edge of the black film can be clamped, as Figure 8 shown. In this way, the edge of the black film is restricted and will not shift or fold, thereby realizing the positioning and fixing of the black film and facilitating subsequent processing.

[0055] The conveyor belt 55 includes two cylindrical rotating rods 551, gears 552 sleeved on the rotating rods 551, and chains 553 connected to the gears 552. In order to make the black film fit stably with the conveyor belt 55, a number of rubber plates 556 are laid outside the chain 553. In this way, during the rotation of the rotating rod 551, the rubber plates 556 on the rotating rod 551 can fit with the surface of the black film. Utilizing the flexible characteristics of the rubber material, when the rubber plate 556 fits with the black film, the friction between the two can be increased to prevent the black film from moving during transportation. In order to enhance the degree of fit between the rubber plate 556 and the black film, an airbag pad is installed on the surface of the rubber plate 556, and the airbag pad is connected to the edge of the rubber plate 556. At this time, a closed chamber is formed, and air is filled inside this chamber. In this way, the airbag pad will expand outwards and squeeze the black film that fits with it, thereby improving the clamping degree of the airbag.

[0056] As Figure 5 shown, the two opposite rotating rods 551 are connected by an output rod 54, and one of the rotating rods 551 is connected to the drive box 53 outside the bracket 51. In this way, when the drive box 53 is powered on, the output rod 54 and the rotating rod 551 connected to the output rod 54 can be driven to rotate, thereby transmitting power to the conveyor belt 55 and making the conveyor belt 55 rotate.

[0057] In the specific implementation process, the black film wound on the fixed frame 3 is passed through the gap between the two brackets 51, and the edge of the black film is located between the two conveyor belts 55, asFigure 3 As shown, since the outside of the conveyor belt 55 is composed of several rubber plates 556, when clamping the black film, the rubber plates 556 are attached to the edge of the black film, fixing the edge of the black film, thereby preventing the black film from moving during etching, and thus improving the stability of the black film.

[0058] Embodiment 2

[0059] Based on Embodiment 1, the embodiment of the present application provides a feasible solution for the horizontal fixation of the black film. The general idea is as follows:

[0060] In order to be able to horizontally flatten the black film separated from the fixing frame 3, we connect several bases 555 to the chain 553. The chain 553 is connected to the base 555 through the connecting piece 554 thereon, thereby connecting the base 555 and the chain 553 together. The base 555 corresponds to the rubber plate 556 one by one, and the rubber plate 556 is located on the base 555, as Figure 6 and Figure 7 shown, a sheet-shaped retaining piece 557 is connected to the bottom of the rubber plate 556, and the retaining piece 557 is inserted into the sliding groove at the top of the base 555 (as Figure 6 shown, the position of the anti-spring in the figure), and the sliding groove and the retaining piece 557 are connected by a spring, as Figure 9 and Figure 10 shown, and in order to ensure that the rubber plate 556 can reset, the spring between the two is always in a compressed state. In this way, the rubber plate 556 can move back and forth on the base 555, as Figure 6 shown. However, we encountered a problem, that is, the rubber plate 556 cannot automatically shift, resulting in the rubber plate 556 always remaining in a position directly opposite to the base 555. To solve this problem, we adopt the following technical solution:

[0061] Two corresponding opposite-pole magnets 559 are installed on the rotating rod 551, and the magnetic poles on the opposite sides of the two opposite-pole magnets 559 are the same, that is, on the opposite sides of the two opposite-pole magnets 559, they are N poles and N poles (or S poles and S poles, as Figure 11 shown), as Figure 9 and Figure 10 shown, and in order to stably act on the magnet block 558 on the retaining piece 557, when the base 555 passes through the rotating rod 551, it is necessary to ensure that the retaining piece 557 is located between the two opposite-pole magnets 559. At this time, the magnet block 558 on the retaining piece 557 will be located between the two opposite-pole magnets 559. The magnetic force between the opposite-pole magnets 559 and the magnet block 558 acts on each other, causing the magnet block 558 to move in the direction close to the gear 552, as Figures 9 to 10As shown, the spring is compressed. In this way, when the magnet block 558 moves away from the rotating rod 551, the magnetism disappears, and the rubber plate 556 moves towards the center of the base 555 under the drive of the spring, thereby pulling the edge of the black film to move outwards, thus unfolding the black film and avoiding folding of the black film.

[0062] Embodiment 3

[0063] Based on Embodiment 1, the embodiment of the present application provides a solution for a replaceable winding roller, and the general idea is as follows:

[0064] The fixing frame 3 includes two support side rods 31 in the shape of "hooks", and a guiding roller 32 and a winding roller 33 are connected between the two support side rods 31. The winding roller 33 thereon is detachably connected to the support side rod 31. The black film wound on the surface of the winding roller 33 first bypasses the guiding roller 32 and extends between the two brackets 51, as Figure 3 shown. The detachable structure is specifically as follows:

[0065] A plug pin 36 connected to the end of the winding roller 33 through a spring;

[0066] A guiding groove 35 and a docking groove 34 are opened on the support side rod 31, and the docking groove 34 is located at the end of the guiding groove 35. In this way, when the plug pin 36 slides along the guiding groove 35 to the position where the docking groove 34 is located, the plug pin 36 is inserted into the docking groove 34 under the action of the spring, thereby completing the fixation of the winding roller 33.

[0067] In order to be able to drive the winding roller 33 to rotate, a docking seat 37 is embedded in each of the docking grooves 34 of the two support side rods 31. An embedding groove capable of being inserted into the plug pin 36 is opened at one end of this docking seat 37, and the other end penetrates the support side rod 31. One end of one docking seat 37 is connected to the motor on the support side rod 31.

[0068] Finally, it should be noted that: Obviously, the above embodiments are merely examples for clearly illustrating the present invention and are not limitations on the implementation manners. For those of ordinary skill in the art, other different forms of changes or modifications can be made based on the above description. It is not necessary and impossible to enumerate all the implementation manners here. And the obvious changes or modifications derived therefrom are still within the protection scope of the present invention.

Claims

1. A positioning structure for processing automotive black film. The positioning structure is installed on a processing table (1) and is located between two fixing frames (3). The black film between the two fixing frames (3) is limited by the positioning structure. It is characterized in that, The positioning structure includes: Brackets (51), two of the brackets (51) are provided and are attached to each other, and the black film passes through the gap between the two brackets (51); Two sets of upper and lower corresponding conveyor belts (55), the conveyor belts (55) are installed on the brackets (51), and the two sets of conveyor belts (55) respectively correspond to the upper and lower surfaces of the black film and clamp the edges of the black film.

2. The positioning structure for processing automotive black film according to claim 1, wherein: The two brackets (51) are connected by a connecting rod (52) to form a rectangular frame structure. When the black film moves along the brackets (51), the black film between the two brackets (51) is exposed; Among them, a laser etching machine (4) is installed on the two processing tables (1), and the laser etching machine (4) corresponds to the black film exposed between the two brackets (51) up and down.

3. The positioning structure for automobile black film processing according to claim 1, characterized in that: The conveyor belt (55) includes two rotating rods (551) and gears (552) sleeved on the rotating rods (551), and the rotating rods (551) are connected to the chain (553) through the gears (552); Among them, a number of rubber plates (556) are connected to the outside of the chain (553). During the rotation of the rotating rod (551), the rubber plates (556) on the rotating rod (551) are attached to the surface of the black film.

4. The positioning structure for automobile black film processing according to claim 3, wherein: An airbag pad is provided on the surface of the rubber plate (556), and it is attached to the black film through the airbag pad.

5. The positioning structure for automotive black film processing according to claim 3, characterized in that: A base (555) is connected to the opposite sides between the two chains (553), and the rubber plate (556) is arranged on the base (555); Among them, a baffle (557) is provided on the side of the rubber plate (556) facing the base (555), and the baffle (557) is inserted into the chute at the top of the base (555) and is connected to the inner wall of the chute through a spring, and the spring is always in a compressed state.

6. The positioning structure for automobile black film processing according to claim 5, characterized in that: Two opposite magnets (559) are installed on the rotating rod (551). When the base (555) passes by the rotating rod (551), the baffle (557) is located between the two opposite magnets (559); Among them, a magnet block (558) that can have a magnetic interaction with the opposite magnets (559) is connected to the baffle (557). When the magnet block (558) is located between the two opposite magnets (559), the magnet block (558) moves in the direction away from the center of the rotating rod (551) under the magnetic force of the two opposite magnets (559), compressing the spring.

7. A positioning structure for processing automotive black film according to claim 1, characterized in that: The fixed frame (3) includes two supporting side rods (31), and a guiding roller (32) and a winding roller (33) are connected between the two supporting side rods (31), and the connection between the winding roller (33) and the supporting side rod (31) is detachable; Among them, the black film on the surface of the winding roller (33) bypasses the guiding roller (32) and extends to the gap between the two brackets (51).

8. The positioning structure for automobile black film processing according to claim 7, characterized in that: A plug pin (36) is inserted into the end of the winding roller (33), and the plug pin (36) is connected to the inner wall of the winding roller (33) through a spring; Wherein, on one side of the two support side rods (31) facing each other, a guiding groove (35) and a docking groove (34) are provided, and the docking groove (34) is located at the end of the guiding groove (35). When the bolt (36) slides along the guiding groove (35) to the position where the docking groove (34) is located, the bolt (36) is inserted into the docking groove (34) under the action of a spring.

9. The positioning structure for automobile black film processing according to claim 8, characterized in that: A docking seat (37) is embedded inside the docking groove (34), and an embedding groove capable of being plugged with the bolt (36) is provided at one end of the docking seat (37), and the other end penetrates through the support side rod (31) and is connected to the output shaft of the motor.

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