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CN-117922887-B - Curved surface adhesive tape pasting method and equipment

CN117922887BCN 117922887 BCN117922887 BCN 117922887BCN-117922887-B

Abstract

The invention discloses a curved surface adhesive tape pasting method which at least comprises the following steps of preparing an adhesive tape, cutting the adhesive tape with preset length, moving the adhesive tape to a tangent position of a curved surface through a clamping assembly, once bonding, namely pressing the adhesive tape to the curved surface through a pressing assembly, loosening the clamping of a first end of the adhesive tape, driving the curved surface to rotate by a first preset angle from an initial position, pasting the adhesive tape between the first end and a contact point to the curved surface, and then rotating the curved surface back to the initial position, and secondarily bonding, namely loosening the clamping of a second end of the adhesive tape, driving the curved surface to rotate by a second preset angle from the initial position, pasting the adhesive tape between the second end and the contact point to the curved surface, and then rotating the curved surface back to the initial position. According to the invention, the adhesive tape is moved to be in contact with the curved surface through the clamping assembly, the adhesive tape is pressed to the curved surface, and then the two-section bonding of the adhesive tape on the curved surface is realized through the reciprocating swing of the curved surface, so that the degree of automation is high and the consistency is good. The invention also provides a curved surface adhesive tape sticking device.

Inventors

  • Cai Xunping
  • WANG YANXIAO
  • LUO GUOLI

Assignees

  • 上海辛帕智能科技股份有限公司

Dates

Publication Date
20260505
Application Date
20230128

Claims (7)

  1. 1. The curved surface adhesive tape pasting method is characterized by at least comprising the following steps: Cutting an adhesive tape (50) with preset length, clamping two ends of the adhesive tape (50) through a movable clamping assembly, and moving the adhesive tape (50) to a tangent position of a curved surface to be bonded in a state that the bonding surface faces the curved surface; One-time bonding, namely pressing the adhesive tape (50) to the curved surface through a pressing assembly, loosening the clamping of the first end (510) of the adhesive tape (50) and driving the curved surface to start from an initial position, rotating a contact point (530) of the curved surface and the adhesive tape (50) away from the first end (510) by a first preset angle, adhering an adhesive tape (50) area between the first end (510) and the contact point (530) to the curved surface, and rotating the curved surface back to the initial position; Releasing the clamping of the second end (520) of the adhesive tape (50) and driving the curved surface to start from an initial position, rotating a second preset angle in the direction of the contact point (530) away from the second end (520), adhering the adhesive tape (50) area between the second end (520) and the contact point (530) to the curved surface, and rotating the curved surface back to the initial position; The contact point (530) is located at a midpoint of the adhesive tape (50), and the first preset angle is equal to the second preset angle; The arc length corresponding to the first preset angle is equal to the length between the first end (510) and the contact point (530), and the arc length corresponding to the second preset angle is equal to the length between the second end (520) and the contact point (530); The method also comprises the steps of: and resetting the clamping assembly, namely moving the two ends of the clamping assembly to the cutting position of the adhesive tape (50) in an opened state after the secondary bonding step is finished, and clamping the adhesive tape (50) with preset length from the two ends again before the next cutting action.
  2. 2. A curved adhesive tape applying apparatus adapted to apply a curved adhesive tape according to the applying method of claim 1, comprising: A clamping part (10) comprising a first clamping jaw (110) and a second clamping jaw (120), wherein the opening and closing actions and the movement positions of the first clamping jaw (110) and the second clamping jaw (120) are independently controlled; A cutting part (20) for cutting the adhesive tape (50) so that the clamping part (10) clamps the adhesive tape (50) of the preset length to run to a tangential position of the curved surface; The compression part (30) comprises a compression wheel (310) and a tensioner (320), wherein the compression wheel (310) is rotatably arranged, and the tensioner (320) is used for compressing the compression wheel (310) to the curved surface; the feeding part (40) comprises a rotating seat (410), wherein the rotating seat (410) is used for placing the adhesive tape (50) and driving the adhesive tape (50) to be output to the cutting part (20) through rotation.
  3. 3. The attaching device as defined in claim 2, wherein said supply portion (40) further includes an alarm (420) for detecting a state of use of said adhesive tape (50) on said rotary base (410), said alarm (420) giving an alarm signal when said adhesive tape (50) needs to be replaced.
  4. 4. An application device according to claim 3, wherein said warning means (420) detects the diameter of said tape (50) on said rotating seat (410) by means of a visual sensor or an correlation sensor and alarms when said diameter reaches a preset size to prompt replacement of said tape (50).
  5. 5. A bonding apparatus according to claim 3, wherein the alarm signal is a light signal emitted by a flash lamp or an acoustic signal emitted by a buzzer.
  6. 6. The attaching device as defined in claim 2, wherein said supplying portion (40) further includes a power-assisted wheel (430) and a holder (440), and an output end of said tape (50) on said rotary base (410) is fitted to an outer periphery of said power-assisted wheel (430) and is pulled by said holder (440), and said power-assisted wheel (430) is rotatably provided to assist said tape (50) to be output.
  7. 7. The application device according to claim 6, wherein said holder (440) comprises a pair of jaws for pre-clamping a half of said predetermined length of said tape (50) before said tape (50) is cut and for releasing after said first jaw (110) and said second jaw (120) cooperate to clamp the other half of said predetermined length of said tape (50).

Description

Curved surface adhesive tape pasting method and equipment Technical Field The invention relates to the technical field of curved adhesive tapes, in particular to a curved adhesive tape adhering method and equipment. Background In the production and manufacturing process, the adhesive tape is often required to be adhered to various curved surfaces such as a cylindrical surface and an arc surface so as to pack products, but the flatness of the adhesive tape adhesion of the curved surfaces is more difficult to ensure than that of the planar adhesive tape adhesion, the adhesive tape adhesion on the curved surfaces is often carried out through manual operation in the prior art, but the manual operation is not only low in efficiency, but also the flatness difference of the adhesive tape adhesion is large due to uneven level of operators, and the attractiveness of the same batch of products is influenced. Therefore, how to improve the consistency of the adhesive tape adhering on the curved surface and to improve the adhering efficiency is a technical problem that needs to be solved by those skilled in the art. Disclosure of Invention Accordingly, the present invention is directed to a method for adhering a curved surface adhesive tape, which improves the consistency of adhering the adhesive tape on the curved surface and improves the adhering efficiency. Another object of the present invention is to provide a curved adhesive tape application apparatus suitable for the above application method. In order to achieve the above purpose, the present invention provides the following technical solutions: a curved surface tape sticking method at least comprises the following steps: cutting an adhesive tape with preset length, clamping two ends of the adhesive tape by a movable clamping assembly, and moving the adhesive tape to a tangent position of a curved surface to be bonded in a state that the bonding surface faces the curved surface; One-time bonding, namely compacting the adhesive tape to the curved surface through a compression assembly, loosening the clamping of the first end of the adhesive tape, driving the curved surface to start from an initial position, rotating a first preset angle in the direction that the contact point of the curved surface and the adhesive tape is far away from the first end, pasting the adhesive tape area between the first end and the contact point to the curved surface, and rotating the curved surface back to the initial position; and (3) secondary bonding, namely loosening the clamping of the second end of the adhesive tape, driving the curved surface to start from an initial position, rotating a second preset angle in the direction that the contact point is far away from the second end, adhering the adhesive tape area between the second end and the contact point to the curved surface, and rotating the curved surface back to the initial position. Preferably, in the curved surface tape adhering method, the contact point is located at a midpoint of the tape, and the first preset angle is equal to the second preset angle. Preferably, in the above curved surface tape adhering method, the arc length corresponding to the first preset angle is not smaller than the length between the first end and the contact point, and the arc length corresponding to the second preset angle is not smaller than the length between the second end and the contact point. Preferably, in the above curved surface tape attaching method, further comprising the steps of: And resetting the clamping assembly, namely after the secondary bonding step is finished, moving the two ends of the clamping assembly to the cutting position of the adhesive tape in an opened state, and clamping the adhesive tape with preset length from the two ends again before the next cutting action. A bonding apparatus for bonding a curved surface adhesive tape suitable for the bonding method of the curved surface adhesive tape provided in any of the above embodiments comprises The clamping part comprises a first clamping jaw and a second clamping jaw, and the opening and closing actions and the movement positions of the first clamping jaw and the second clamping jaw are independently controlled; A cutting part for cutting the adhesive tape so that the clamping part clamps the adhesive tape with the preset length and moves to the tangent position of the curved surface; The compression part comprises a compression wheel and a tensioner, wherein the compression wheel is rotationally arranged, and the tensioner is used for compressing the compression wheel to the curved surface; the feeding part comprises a rotating seat, wherein the rotating seat is used for placing the adhesive tape and driving the adhesive tape to be output to the cutting part through rotation. Preferably, in the above-mentioned attaching device, the feeding portion further includes an alarm for detecting a state of use of the adhesive tape on the rotating base, and the alarm gives