Automatic film tearing equipment for silencing sheet

Abstract

The utility model relates to the technical field of unsealing of objects, in particular to automatic film tearing equipment for silencing pieces, which comprises a conveying mechanism and a film tearing mechanism, the film tearing mechanism is positioned above the conveying mechanism to form a conveying channel, the film tearing mechanism comprises an adhesive tape, one side of the adhesive tape facing the conveying mechanism is provided with a blind groove, and the blind groove is communicated with the conveying mechanism. And a pressing mechanism is arranged at the upward position, far away from the conveying mechanism, of the adhesive tape. Through the arrangement of the adhesive tape, the flexible adhesive tape and the arrangement of the blind groove, the protective film on the top surface of the silencing sheet can be torn down through negative pressure formed between extrusion deformation and the protective film, automatic film tearing is completed, the protective film on the adhesive tape can be easily removed through negative pressure suction, the adhesive tape can be repeatedly used, and the production efficiency is improved. And moreover, the adhesive tape is repeatedly and circularly used, so that frequent shutdown for replacing the adhesive tape is not needed, and the working efficiency is effectively improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the opening of the technical field of article, specifically relates to a kind of automatic film tearing equipment of sound attenuation sheet. BACKGROUND

[0002] Automobile sound attenuation sheet is used to reduce or eliminate the noise of brake, and it is a necessary component in automobile brake system. At present, with the rise of electric vehicle market, the application of sound attenuation sheet has been further strengthened.

[0003] In the Chinese patent with publication number CN220663160U, it is mentioned that a protective film is wrapped on the sound attenuation sheet before production or use. Before installation, the protective film on the surface of the sound attenuation sheet needs to be torn off. To achieve automatic film tearing, adhesive tape is used to achieve adhesion and tearing of the protective film of the sound attenuation sheet. However, in actual production, the adhesive tape needs to be rewound and replaced after adhering the film. This one-time use of adhesive tape requires frequent replacement of new adhesive tape, resulting in increased use cost in the later stage. UTILITY MODEL CONTENT

[0004] The utility model aims to provide a kind of automatic film tearing equipment of sound attenuation sheet to solve the problems existing in the prior art.

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

[0006] An automatic film tearing equipment of sound attenuation sheet includes a conveying mechanism and a film tearing mechanism. The film tearing mechanism is located above the conveying mechanism to form a conveying channel. The film tearing mechanism includes an adhesive tape. Blind grooves are formed on the side of the adhesive tape facing the conveying mechanism. A pressing mechanism is arranged on the adhesive tape away from the conveying mechanism.

[0007] Preferably, the film tearing mechanism further includes a drive shaft. A lower pressing roller is arranged below the drive shaft and close to the top surface of the conveying mechanism. The film tearing mechanism is coiled between the drive shaft and the lower pressing roller.

[0008] Preferably, the film tearing mechanism further includes a main frame. A reversing plate is installed above the lower pressing roller. The adhesive tape extends horizontally beyond the end of the reversing plate. A waste removal mechanism is installed above the reversing plate.

[0009] Preferably, the film tearing mechanism further includes a cleaning roller. The cleaning roller is arranged away from the reversing plate. The side wall of the adhesive tape with blind grooves is in contact with the circumferential side wall of the cleaning roller.

[0010] Preferably, the pressing mechanism includes a driving device. A pressure roller is assembled and installed on the upper part of the driving device. The pressure roller is arranged parallel to the lower pressing roller. The adhesive tape passes between the pressure roller and the lower pressing roller.

[0011] Preferably, the waste discharge mechanism comprises a reverse frame, the reverse frame is located above the reversing plate, the adhesive belt passes between the reversing plate and the reverse frame, the reverse frame rotates in a direction opposite to the moving direction of the adhesive belt, and a circumferential side wall of the reverse frame is provided with a convex strip.

[0012] Preferably, the waste discharge mechanism comprises a negative pressure cover, a negative pressure space is formed between the reverse frame and the top surface of the reversing plate, and a distance measuring sensor is mounted on the side wall of the main frame and faces the negative pressure space.

[0013] Compared with the prior art, the utility model has the beneficial effects that:

[0014] The utility model discloses a flexible adhesive belt and blind slot, which can form negative pressure between the extrusion deformation and the protective film, tear the protective film on the top surface of the sound-absorbing piece, complete automatic film tearing, and the protective film on the adhesive belt can be easily removed through negative pressure suction, so that the adhesive belt can be reused, the film tearing cost of the protective film is reduced, the adhesive belt is recycled repeatedly, frequent shutdown and replacement of the adhesive belt are not needed, and the working efficiency is effectively improved. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a perspective view of the utility model;

[0016] Figure 2 It is a perspective view between the conveying mechanism and the film tearing mechanism of the utility model;

[0017] Figure 3 It is a position schematic view of the material pressing mechanism of the utility model;

[0018] Figure 4 It is an enlarged schematic view of the film tearing mechanism of the utility model.

[0019] In the drawing: feeding mechanism 1, conveying mechanism 2, film tearing mechanism 3, main frame 31, driving shaft 32, adhesive belt 33, cleaning roller 34, lower pressing roller 35, reversing plate 36, blind slot 37, material pressing mechanism 4, pressing wheel 41, driving device 42, waste discharge mechanism 5, reverse frame 51, negative pressure cover 52, convex strip 53, distance measuring sensor 54. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0021] Reference Figures 1-4The utility model provides an automatic film tearing equipment of sound attenuation piece, including conveying mechanism 2 and film tearing mechanism 3, film tearing mechanism 3 is located above conveying mechanism 2 and forms conveying passage, conveying passage is used for making the sound attenuation piece in horizontal state pass smoothly, wherein, the right end of conveying mechanism 2 is provided with feeding mechanism 1, the sound attenuation piece is in the state of protective film upwards, single layer is placed in conveying passage, along with the work of conveying mechanism 2, will convey the sound attenuation piece to film tearing mechanism 3 position, at this moment, film tearing mechanism 3 includes adhering zone 33, adhering zone 33 is flexible belt structure, and, adhering zone 33 is opened with blind slot 37 towards conveying mechanism 2 side, when adhering zone 33 contacts the protective film of the top surface of sound attenuation piece, adhering zone 33 is extruded to the top surface of sound attenuation piece and forms negative pressure by extruding air in blind slot 37, simultaneously, pressure mechanism 4 is arranged on adhering zone 33 and moves away from conveying mechanism 2, and pressure mechanism 4 will press the sound attenuation piece, and adhering zone 33 will move away from the sound attenuation piece, and the protective film on the top surface of sound attenuation piece is synchronously pulled upwards, so that the protective film on the top surface of sound attenuation piece can be torn off by the negative pressure suction of blind slot 37 of adhering zone 33, and the automatic film tearing is completed, and the protective film on adhering zone 33 can be easily removed by negative pressure suction, so that adhering zone 33 can be reused, the film tearing cost of protective film is reduced, and adhering zone 33 can be recycled, so that continuous film tearing can be carried out without stopping and replacing adhering zone 33, and the working efficiency is effectively improved.

[0022] In further embodiments, with reference to Figure 2 , film tearing mechanism 3 further includes drive shaft 32, motor is installed at the rear end of drive shaft 32, the motor drives drive shaft 32 to rotate, and then can drive adhering zone 33 to rotate circularly, complete the cyclic transposition, carry out continuous film tearing and cleaning, lower pressing roller 35 is arranged below drive shaft 32 and close to the top surface of conveying mechanism 2, and film tearing mechanism 3 is coiled between drive shaft 32 and lower pressing roller 35, when adhering zone 33 passes through the position of lower pressing roller 35, lower pressing roller 35 will press adhering zone 33, at this moment, adhering zone 33 is pressed on the top surface of sound attenuation piece below, at this moment, the blind slot 37 position of adhering zone 33 will be deformed due to the flexibility of adhering zone 33 and fully discharge gas, the blind slot 37 of lower pressing roller 35 position will rebound and generate increased suction, which can effectively suck the protective film on the top of sound attenuation piece, to ensure that the protective film can be torn off smoothly, if the success rate of tearing is low, the depth of blind slot 37 can be considered to be deepened, the arrangement density of blind slot 37 can be increased or the softness of adhering zone 33 can be increased, to improve the negative pressure suction force between adhering zone 33 and protective film, until the negative pressure suction in the test can be stable and greater than the adhesion between protective film and sound attenuation piece, so that the automatic film tearing can be realized smoothly.

[0023] In further embodiments, with reference to Figure 2, the film tearing mechanism 3 further comprises a main frame 31 vertically arranged to provide more mounting positions in the height direction, wherein the main frame 31 is provided with a reversing plate 36 above the lower pressing roller 35, the reversing plate 36 is horizontally arranged, and the adhesive tape 33 extends horizontally beyond the end of the reversing plate 36, matched with the reversing roller on the main frame 31, so that the adhesive tape 33 extends to the right on the top surface of the reversing plate 36, and the waste discharge mechanism 5 is mounted above the reversing plate 36 on the horizontal section of the adhesive tape 33, the waste discharge mechanism 5 comprises a reversing frame 51 provided with a rotating roller and extending forward and backward, and the reversing frame 51 is located above the reversing plate 36, the adhesive tape 33 passes between the reversing plate 36 and the reversing frame 51, and the circumferential side wall of the rotating roller can contact the surface of the adhesive tape 33 adsorbed with the protective film, at this time, the rotating direction of the reversing frame 51 is opposite to the moving direction of the adhesive tape 33, so that the protective film adsorbed by the adhesive tape 33 is pushed to the left and separated from the position of the blind groove 37, air enters the blind groove 37 to eliminate the negative pressure, and the protective film can be smoothly separated from the adhesive tape 33, further, the circumferential side wall of the reversing frame 51 is provided with a convex strip 53, the convex strip 53 pushes the protective film to the left and does not continue to move to the right with the adhesive tape 33, the surface of the adhesive tape 33 is restored, and the subsequent repeated suction and film tearing can be performed.

[0024] In further embodiments, with reference to Figure 2 , as the protective film is continuously pushed away from the adhesive tape 33, it will gradually accumulate above the reversing plate 36, at this time, the waste discharge mechanism 5 comprises a negative pressure cover 52, the negative pressure cover 52 is located above the reversing frame 51 and forms a negative pressure space between the top surface of the reversing plate 36, the negative pressure space can temporarily accommodate the protective film to prevent it from flying around and affecting the normal film tearing process, and the negative pressure cover 52 is linked to a wind pressure device to generate a continuous air flow in the negative pressure space position to attract the protective film back along the pipeline for recycling, ensuring the cleanliness above the reversing plate 36 and ensuring that the negative pressure space is not quickly filled, and the main frame 31 is provided with a distance measuring sensor 54 opposite the negative pressure space, the distance measuring sensor 54 can use a laser distance measuring sensor, matched with a data processor, to calculate the accumulation depth of the protective film in the negative pressure space, and once the preset depth is exceeded, it indicates that the protective film cannot be completely discharged, and a warning signal is sent, and the screen of the controller prompts the staff to clean the negative pressure space in time to ensure the stable use of the equipment.

[0025] In further embodiments, with reference to Figure 3, the pressing mechanism 4 comprises a driving device 42, the driving device 42 is a two-degree-of-freedom linear module, and the upper part of the driving device 42 is equipped with a pressing wheel 41, the pressing wheel 41 can be driven to move up and down and left and right, wherein the pressing wheel 41 is arranged in parallel with the lower pressing roller 35, the adhesive tape 33 passes between the pressing wheel 41 and the lower pressing roller 35, when tearing the film, the pressing wheel 41 moves right to the lower pressing roller 35, can press the sound-absorbing piece that just moves left away from the lower pressing roller 35 downward, avoid with the adhesive tape 33 up, and the pressing wheel 41 will be closely attached to the adhesive tape 33, cooperate the lower pressing roller 35 to press the protective film on the adhesive tape 33 more tightly, ensure the firmness of the attraction of the adhesive tape 33 to the protective film, so that the protective film is smoothly taken into the negative pressure space.

[0026] In further embodiments, with reference to Figure 4 , the film tearing mechanism 3 further comprises a cleaning roller 34, the cleaning roller 34 is arranged away from the reversing plate 36, the adhesive tape 33 cleaned of the protective film will continue to move right to perform the next adsorption work, before contacting the new protective film, the side wall of the blind groove 37 of the adhesive tape 33 is in contact with the circumferential side wall of the cleaning roller 34, the cleaning roller 34 does not rotate itself and the circumferential side wall is provided with flexible brushing wires, which will scrape the surface of the adhesive tape 33 and the inside of the blind groove 37, brush off solid impurities, ensure cleaning, avoid that the adhesive tape 33 and the protective film are not only bonded to cause unable to be negatively adsorbed, the cleaning roller 34 position can be provided with a gas pump and a suction pipe, to perform negative pressure suction, the scraped solids are in real-time suction and recovery, ensure that the adhesive tape 33 and the cleaning roller 34 are cleaned synchronously, ensure that the cleaning effect is long-term stable.

[0027] Although the embodiments of the present application have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and modifications can be made to these embodiments without departing from the principles and spirits of the present application, the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. An automatic film tearing device for sound deadening sheets, comprising a conveying mechanism (2) and a film tearing mechanism (3), the film tearing mechanism (3) being located above the conveying mechanism (2) forming a conveying channel, characterized in that, The film tearing mechanism (3) comprises an adhesive tape (33), a blind groove (37) is formed on the side of the adhesive tape (33) facing the conveying mechanism (2), and a pressing mechanism (4) is arranged on the adhesive tape (33) away from the conveying mechanism (2).

2. The apparatus according to claim 1, wherein: The film tearing mechanism (3) further comprises a driving shaft (32), a lower pressing roller (35) is arranged below the driving shaft (32) and close to the top surface of the conveying mechanism (2), and the film tearing mechanism (3) is coiled between the driving shaft (32) and the lower pressing roller (35).

3. The apparatus according to claim 2, wherein: The film tearing mechanism (3) further comprises a main frame (31), a reversing plate (36) is installed above the lower pressing roller (35), the adhesive tape (33) extends horizontally beyond the end of the reversing plate (36), and a waste discharge mechanism (5) is installed above the reversing plate (36).

4. The apparatus according to claim 3, wherein: The film tearing mechanism (3) further comprises a cleaning roller (34), the cleaning roller (34) is arranged away from the reversing plate (36), and the side wall of the adhesive tape (33) where the blind groove (37) is formed is in contact with the circumferential side wall of the cleaning roller (34).

5. The apparatus according to claim 4, wherein: The pressing mechanism (4) comprises a driving device (42), a pressing roller (41) is installed on the upper part of the driving device (42), the pressing roller (41) is arranged parallel to the lower pressing roller (35), and the adhesive tape (33) passes between the pressing roller (41) and the lower pressing roller (35).

6. The apparatus according to claim 5, wherein: The waste discharge mechanism (5) comprises a reversing frame (51), the reversing frame (51) is located above the reversing plate (36), the adhesive tape (33) passes between the reversing plate (36) and the reversing frame (51), the rotating direction of the reversing frame (51) is opposite to the moving direction of the adhesive tape (33), and the circumferential side wall of the reversing frame (51) is provided with a convex strip (53).

7. The apparatus of claim 6, wherein: The waste discharge mechanism (5) comprises a negative pressure cover (52), a negative pressure space is formed between the reversing frame (51) and the top surface of the reversing plate (36), and a distance measuring sensor (54) is installed on the side wall of the main frame (31) and faces the negative pressure space.

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