CN217147954U

CN217147954U - Anti-loosening accurate-metering adhesive tape rewinding device

Info

Publication number: CN217147954U
Application number: CN202221062942.9U
Authority: CN
Inventors: 魏云武; 张贝
Original assignee: Suzhou Helda Electronic Technology Co ltd
Current assignee: Suzhou Helda Electronic Technology Co ltd
Priority date: 2022-05-06
Filing date: 2022-05-06
Publication date: 2022-08-09
Anticipated expiration: 2032-05-06

Abstract

The utility model discloses a rewinding device for an anti-loosening accurate metering adhesive tape, which comprises a frame, a driving device, a transmission belt, a rewinding roller, an unwinding roller, a metering wheel and an adhesive tape roll, wherein the adhesive tape roll is sleeved on the unwinding roller; the driving device drives the rewinding roller to rotate through the transmission belt, the adhesive tape discharged from the adhesive tape roll sequentially bypasses the metering wheel and the rewinding roller, the adhesive tape drives the metering wheel to rotate, and the length of the adhesive tape on the rewinding roller can be calculated according to the number of rotating turns of the metering wheel. The metering wheel, the unwinding roller and the rewinding roller are arranged in parallel; the edge of measuring wheel is connected with the inductive head, is connected with position sensor and counter in the frame, and when close to position sensor's side through the response head, position sensor detected the inductive head and will detect signal transmission for the counter. Thereby counting the number of turns of the metering wheel. The utility model discloses do not adopt rewinding roller pivoted number of turns, the thickness that the calculation result does not receive winding sticky tape on the rewinding roller influences. The accuracy of the calculation is improved.

Description

Anti-loosening accurate-metering adhesive tape rewinding device

Technical Field

The utility model relates to a locking accurate measurement sticky tape rewinding unit belongs to locking accurate measurement sticky tape rewinding unit field.

Background

The adhesive tape is prepared by taking a BOPP biaxially oriented polypropylene film as a base material, uniformly coating pressure-sensitive adhesive emulsion by heating to form an adhesive layer, rewinding a tape parent roll into small rolls with smaller diameters, and slitting. After the finished adhesive tape is prepared, the finished adhesive tape in the same batch needs to be sampled and tested, wherein the finished adhesive tape comprises appearance, viscosity and total length. If the total length is beyond the predetermined range, the product is rejected. If the length is too long, the adhesive tape needs to be rewound, and the length of the adhesive tape is reduced, so that the adhesive tape becomes a qualified product. However, the existing tape rewinding device has the defect that the total length of the tape is calculated by counting the number of turns of the rewinding roller, and when the tape is thicker or thinner, the change of the outer diameter of the tape is large, so that the error of the calculation result is large. The method is not suitable for rewinding measurement of adhesive tape rolls with different outer diameters.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects, the utility model aims to provide a locking accurate measurement sticky tape rewinding unit. The tape reel rewinding device is suitable for rewinding measurement of lengths of tape rolls with different outer diameters.

In order to achieve the above purpose, the utility model discloses a technical scheme is: a rewinding device for an anti-loosening accurate metering adhesive tape comprises a rack, a driving device, a transmission belt, a rewinding roller, an unwinding roller, a metering wheel and an adhesive tape roll, wherein the adhesive tape roll is sleeved on the unwinding roller; the driving device drives the rewinding roller to rotate through the transmission belt, the adhesive tape discharged from the adhesive tape roll sequentially bypasses the metering wheel and the rewinding roller, and the rotating axes of the metering wheel, the unwinding roller and the rewinding roller are arranged in parallel; the edge connection of measurement wheel has the inductive head, be connected with position sensor and counter in the frame, when the inductive head was close to position sensor's side, position sensor detected the inductive head and will detect signal transmission for the counter.

The utility model discloses further setting up to: the position sensor is located directly below the metering wheel.

The utility model discloses further setting up to: the unwinding roller is sleeved with a lantern ring in a unidirectional rotating mode, and the adhesive tape roll is sleeved on the lantern ring.

The utility model discloses further setting up to: the inner surface of the lantern ring is provided with a tooth surface which is distributed annularly, and a plurality of ratchets are distributed on the tooth surface; the unwinding roller is provided with a plurality of accommodating grooves, the accommodating grooves are connected with a shifting rod and an elastic ring, and one end of the shifting rod is rotatably connected with the unwinding roller through a hinged shaft; the elastic ring is positioned below the deflector rod, and jacks up the deflector rod, so that the other end of the deflector rod protrudes out of the accommodating groove and extends into the space between two adjacent ratchets.

The utility model discloses further setting up to: the length of the poking rod is 1.3-1.5 times of the distance between the outer surface of the unwinding roller and the tooth surface.

The utility model discloses further setting up to: the outer surface of the lantern ring is provided with a plurality of convex edges, and the length direction of the convex edges and the upper surface of the convex edge parallel to the axis of the unwinding roller are in an arc shape.

The utility model discloses further setting up to: one end of the shifting lever is connected with one end of the accommodating groove through a hinged shaft, and the distance from the other end of the accommodating groove to the shifting lever is smaller than the radius of the elastic ring.

Compared with the prior art, the beneficial effects of the utility model are that: the induction head is connected with the edge of the metering wheel, the frame is connected with the position sensor and the counter, and when the induction head is close to the side of the position sensor, the position sensor detects the induction head and transmits a detection signal to the counter. Thereby counting the number of turns of the metering wheel. The metering wheel, the unwinding roller and the rewinding roller are arranged in parallel; the adhesive tape wound from the adhesive tape roll sequentially bypasses the metering wheel and the rewinding roller, the adhesive tape drives the metering wheel to rotate, and the length of the adhesive tape on the rewinding roller can be calculated according to the number of rotating turns of the metering wheel. The number of turns of the rewinding roller is not adopted, and the calculation result is not influenced by the thickness of the adhesive tape wound on the rewinding roller. The accuracy of the calculation is improved.

The above description is only an overview of the technical solution of the present invention, and in order to make the technical means of the present invention clearer and can be implemented according to the content of the description, the following detailed description is made with reference to the preferred embodiments of the present invention and accompanying drawings.

Drawings

Fig. 1 is a schematic structural view of a rewinding device for accurately measuring loose-proof rubber tape according to a preferred embodiment of the present invention;

fig. 2 is a schematic structural view of the unwinding roller and the adhesive tape roll in fig. 1.

In the figure: 1. an adhesive tape roll; 2. a frame; 3. a drive device; 4. a drive belt; 5. rewinding rollers; 6. an adhesive tape; 7. a metering wheel; 8. an inductive head; 9. a position sensor; 10. a counter; 11. hinging a shaft; 12. a containing groove; 13. a deflector rod; 14. an elastic ring; 15. a collar; 16. a tooth surface; 17. a rib; 18. and (4) unwinding the roller.

Detailed Description

The following detailed description of the preferred embodiments of the present invention will be provided in conjunction with the accompanying drawings, so as to enable those skilled in the art to more easily understand the advantages and features of the present invention, and thereby define the scope of the invention more clearly and clearly.

Referring to fig. 1-2, the rewinding device for an anti-loose accurate metering adhesive tape in the present embodiment includes a frame 2, a driving device 3, a driving belt 4, a rewinding roller 5, an unwinding roller 18, a metering wheel 7, and an adhesive tape roll 1, wherein the adhesive tape roll 1 is sleeved on the unwinding roller 18; the driving device 3 drives the rewinding roller 5 to rotate through the transmission belt 4, the adhesive tape 6 discharged from the adhesive tape roll 1 sequentially bypasses the metering wheel 7 and the rewinding roller 5, and the rotating axes of the metering wheel 7, the unwinding roller 18 and the rewinding roller 5 are arranged in parallel; the edge of measuring wheel 7 is connected with inductive head 8, be connected with position sensor 9 and counter 10 on the frame 2, when inductive head 8 was close to position sensor 9's side, position sensor 9 detected inductive head 8 and transmitted the detected signal for counter 10.

The sensing head 8 is connected to the edge of the metering wheel 7, the position sensor 9 and the counter 10 are connected to the frame 2, and when the sensing head 8 is close to the side of the position sensor 9, the position sensor 9 detects the sensing head 8 and transmits a detection signal to the counter 10. Thereby counting the number of rotations of the metering wheel 7. The metering wheel 7, the unwinding roller 18 and the rewinding roller 5 are arranged in parallel; the adhesive tape 6 paid out from the adhesive tape roll 1 sequentially bypasses the metering wheel 7 and the rewinding roller 5, the metering wheel 7 is driven by the adhesive tape to rotate, and the length of the adhesive tape on the rewinding roller 5 can be calculated according to the number of rotating turns of the metering wheel 7. The number of turns of the rewinding roller 5 is not adopted, and the calculation result is not influenced by the thickness of the adhesive tape wound on the rewinding roller 5. The accuracy of the calculation is improved.

The utility model discloses further setting up to: the position sensor 9 is located directly below the metering wheel 7.

In order to prevent that the sticky tape is lax, avoid lax sticky tape to influence the accurate measurement of metering wheel 7, the utility model discloses further setting up to: the unwinding roller 18 is sleeved with a lantern ring 15 in a unidirectional rotating mode, and the adhesive tape roll 1 is sleeved on the lantern ring 15. Because the lantern ring 15 can only rotate in one direction, the situation that the adhesive tape roll 1 rotates reversely along with the lantern ring 15 in the running process is avoided, the tensioned adhesive tape drives the metering wheel 7 to stably run, and the metering wheel 7 and the adhesive tape run synchronously.

The utility model discloses further set up to: the inner surface of the lantern ring 15 is provided with a tooth surface 16 which is distributed annularly, and a plurality of ratchets are distributed on the tooth surface 16; the unwinding roller 18 is provided with a plurality of accommodating grooves 12, the accommodating grooves 12 are connected with a shifting rod 13 and an elastic ring 14, and one end of the shifting rod 13 is rotatably connected with the unwinding roller 18 through a hinged shaft 11; the elastic ring 14 is positioned below the shift lever 13, and jacks up the shift lever 13, so that the other end of the shift lever 13 protrudes from the accommodating groove 12 and extends into a space between two adjacent ratchets. When the lantern ring 15 has a reverse movement trend, the other end of the driving lever 13 extends into the space between two adjacent ratchets to block the lantern ring 15 connected with the ratchets from reversely rotating; when the lantern ring 15 moves forwards, the ratchet teeth press the shift lever 13 to rotate, the shift lever 13 retracts towards the accommodating groove 12 and is separated from the ratchet teeth until the other end of the shift lever 13 protrudes out of the accommodating groove 12 again and extends to a position between a next pair of ratchet teeth; the collar 15 can be moved forward by reciprocating in this way.

The utility model discloses further setting up to: the length of the shift lever 13 is 1.3 to 1.5 times the distance between the outer surface of the unwinding roller 18 and the tooth surface 16.

For the convenience of tape roll 1 connects on the lantern ring 15, the utility model discloses further sets up to: the outer surface of the lantern ring 15 is provided with a plurality of ribs 17, and the length direction of the ribs 17 is parallel to the upper surface of the rib 17 of the axis of the unwinding roller 18 and is in an arc shape. The gaps between adjacent ribs 17 do not contact the inner surface of the tape roll 1, facilitating the attachment of the tape roll 1 to the collar 15.

In order to prevent the elastic ring 14 from falling off from the accommodating groove 12, the utility model discloses further setting is: one end of the shifting lever 13 is connected with one end of the accommodating groove 12 through the hinge shaft 11, and the distance from the other end of the accommodating groove 12 to the shifting lever 13 is smaller than the radius of the elastic ring 14. The elastic ring 14 is difficult to cross the gap between the shift lever 13 and the receiving groove 12, and stably stays in the receiving groove 12.

The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, so as not to limit the protection scope of the present invention, and all equivalent changes or modifications made according to the spirit of the present invention should be covered in the protection scope of the present invention.

Claims

1. A rewinding device for an anti-loosening accurate metering adhesive tape comprises a rack, a driving device, a transmission belt, a rewinding roller, an unwinding roller, a metering wheel and an adhesive tape roll, wherein the adhesive tape roll is sleeved on the unwinding roller; the driving device drives the rewinding roller to rotate through the transmission belt, and is characterized in that the adhesive tape discharged from the adhesive tape roll sequentially bypasses the metering wheel and the rewinding roller, and the rotating axes of the metering wheel, the unwinding roller and the rewinding roller are arranged in parallel; the edge connection of metering wheel has the inductive head, be connected with position sensor and counter in the frame, when the inductive head was close to position sensor's side, position sensor detected the inductive head and will detect signal transmission and give the counter.

2. A slack prevention precision metering tape rewinding device as claimed in claim 1, characterized in that said position sensor is directly under the metering wheel.

3. A slack-preventing accurate metering adhesive tape rewinding device as claimed in claim 2, characterized in that said unwinding roller is sleeved with a sleeve ring in a unidirectional rotation manner, and said adhesive tape roll is sleeved on said sleeve ring.

4. A slack-preventing precision-metering adhesive tape rewinding device as claimed in claim 3, characterized in that said inner surface of said collar is provided with a tooth surface distributed annularly, on which a plurality of ratchet teeth are distributed; the unwinding roller is provided with a plurality of accommodating grooves, the accommodating grooves are connected with a shifting rod and an elastic ring, and one end of the shifting rod is rotatably connected with the unwinding roller through a hinged shaft; the elastic ring is positioned below the deflector rod, and jacks up the deflector rod, so that the other end of the deflector rod protrudes out of the accommodating groove and extends into the space between two adjacent ratchets.

5. A slack-resistant precision metered tape rewinding device as claimed in claim 4, characterized in that said paddle has a length 1.3-1.5 times the distance between the outer surface of said unwinding roller and said tooth surface.

6. A rewinding device for an anti-loosening precision metering adhesive tape according to claim 5, characterized in that said outer surface of said sleeve is provided with a plurality of ribs, the length direction of said plurality of ribs being parallel to the axis of said unwinding roller and the upper surface of said plurality of ribs being in the shape of a circular arc.

7. A rewinding device for an anti-loosening precision metering adhesive tape according to claim 4, characterized in that one end of said shifting lever is connected to one end of said containing slot through a hinge shaft, and the distance from the other end of said containing slot to said shifting lever is less than the radius of said elastic ring.