CN210594418U

CN210594418U - Unwinding device

Info

Publication number: CN210594418U
Application number: CN201920616711.XU
Authority: CN
Inventors: 张志勤
Original assignee: Kingboard Laminates Shenzhen Ltd
Current assignee: Kingboard Laminates Shenzhen Ltd
Priority date: 2019-04-30
Filing date: 2019-04-30
Publication date: 2020-05-22
Anticipated expiration: 2029-04-30

Abstract

The utility model relates to an unwinding device, this unwinding device includes: the supporting frame is provided with a mounting position for mounting the roller; the roller is provided with a wound prepreg; the first deviation rectifying roller is arranged on the supporting frame and can rotate relative to the supporting frame; the second deviation rectifying roller is arranged on the supporting frame and can rotate relative to the supporting frame; the first deviation correcting roller and the second deviation correcting roller are respectively positioned on two sides of the roller in the axial direction and used for applying a force opposite to the shifting direction to the semi-cured sheets when the semi-cured sheets are shifted to roll so as to correct the deviation of the semi-cured sheets. In the scheme, the two sides of the roller are respectively provided with the rolling shafts, when the prepreg is rolled, the prepreg can be abutted against one of the rolling shafts to prevent the prepreg from continuously moving towards the direction, meanwhile, the prepreg can drive the rolling shaft to rotate together when being contacted with the rolling shaft, and when the rolling shaft rotates, a thrust opposite to the moving direction of the prepreg can be applied to the prepreg, so that the prepreg can be corrected.

Description

Unwinding device

Technical Field

The utility model relates to a copper-clad plate field especially relates to an unwinding device.

Background

The prepreg is one of important materials for producing the copper-clad plate, and the prepreg is made of glass cloth and resin according to a certain production process and then is wound on a roller. The semi-cured sheets need to be cut during subsequent production, and the semi-cured sheets wound on the roller need to be unwound and unfolded through the unwinding device. Due to various reasons, the prepreg can be rolled in the unreeling process, so that the production is not smooth, and the prepreg can be broken to influence the quality of the copper-clad plate.

SUMMERY OF THE UTILITY MODEL

Therefore, it is necessary to provide an unwinding device for solving the problem of winding displacement when the prepreg is unwound.

An unwinding device, comprising: the supporting frame is provided with a mounting position for mounting the roller; the roller is provided with an object to be unreeled; the first deviation rectifying roller is arranged on the supporting frame and can rotate relative to the supporting frame; the second deviation rectifying roller is arranged on the supporting frame and can rotate relative to the supporting frame; the first deviation correcting roller and the second deviation correcting roller are respectively located on two sides of the roller in the axial direction and used for applying an acting force opposite to a deviation direction to the object to be unreeled when the object to be unreeled is deviated, so that the object to be unreeled is corrected.

Further, the support frame is provided with a lower surface which can be contacted with the ground to support the support frame, and an upper surface which is arranged opposite to the lower surface; the mounting position comprises a first mounting groove and a second mounting groove which are arranged on the upper surface of the supporting frame, and the first mounting groove and the second mounting groove are respectively used for being matched with bearings arranged at two ends of the roller.

Furthermore, the upper surface of support frame still is equipped with two parallel arrangement's first guiding groove and second guiding groove, first guiding groove with first mounting groove intercommunication, the second guiding groove with second mounting groove intercommunication, first guiding groove with the second guiding groove respectively with set up the bearing cooperation at roller both ends is used for with the roller guide extremely the installation position.

Furthermore, the first deviation rectification roller and the second deviation rectification roller do not protrude out of the upper surface of the supporting frame.

Furthermore, the unreeling device also comprises a first connecting mechanism, wherein the first connecting mechanism comprises a first supporting arm and a second supporting arm which are arranged at intervals in the vertical direction; one end of the first support arm is connected with the support frame, and the other end of the first support arm is connected with one end of the first deviation rectifying roller; one end of the second supporting arm is connected with the supporting frame, and the other end of the second supporting arm is connected with the other end of the first deviation rectifying roller; the first supporting arm and the second supporting arm are opposite to each other, the supporting frame is fixed, and the first deviation rectifying roller can simultaneously rotate relative to the first supporting arm and the second supporting arm.

Further, the lengths of the first supporting arm and the second supporting arm are adjustable, so that the distance between the first rectification roller and the roller is adjustable; and/or the distance between the first support arm and the second support arm is adjustable so as to adapt the first connecting mechanism to the first deviation rectification roller with different lengths.

Further, the supporting frame comprises a left bracket and a right bracket, and the first connecting mechanism is used for connecting the first deviation rectifying roller and the left bracket together; the unwinding device further comprises a second connecting mechanism, and the second connecting mechanism is used for connecting the second deviation rectifying roller and the right support together; the second connecting mechanism and the first connecting mechanism are arranged in the same structure.

Furthermore, the unreeling device also comprises a driving mechanism, wherein the driving mechanism is connected with the roller and used for providing driving force for the rotation of the roller so as to conveniently discharge the object to be unreeled.

Furthermore, the unwinding device further comprises a connector, one end of the connector is connected with the driving mechanism, and the other end of the connector is detachably connected with the roller.

Furthermore, a groove is formed in the surface, away from the driving mechanism, of the connector, and a notch communicated with the groove is formed in the side wall of the groove; the roller is provided with a connecting block, the connecting block can be placed into or withdrawn from the groove from the notch, and after the connecting block is placed into the groove, the connecting block and the groove can synchronously rotate.

The utility model provides an unwinding device sets up a roll axis respectively in roller both sides, when prepreg (or other treat to unreel the object) scurry the book, can the butt on one of them roll axis, in order to prevent prepreg (or other treat to unreel the object) continue towards this direction drunkenness, prepreg (or other treat to unreel the object) can drive this roll axis and rotate together with this roll axis contact time simultaneously, and can apply one and drunkenness opposite direction's thrust to semi-solid piece (or other treat to unreel the object) when this roll axis rotates, thereby can rectify a deviation to semi-solid piece (or other treat to unreel the object).

Drawings

Fig. 1 is a top view of an unwinding device provided by the present invention;

fig. 2 is a left side view of the unwinding device provided by the present invention;

fig. 3 is a cross-sectional view taken along the line a-a of fig. 1 according to the present invention;

fig. 4 is an assembly schematic view between the left bracket and the first deviation correcting roller of the unwinding device provided by the present invention;

fig. 5 is a cross-sectional view taken along the direction B-B in fig. 4 according to the present invention;

fig. 6 is an enlarged view of the region M in fig. 4 according to the present invention;

fig. 7 is a schematic view of the assembly between the connector and the roller according to the present invention.

Detailed Description

In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention can be embodied in many different forms other than those specifically described herein, and it will be apparent to those skilled in the art that similar modifications can be made without departing from the spirit and scope of the invention, and it is therefore not to be limited to the specific embodiments disclosed below.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

As shown in fig. 1 and fig. 2, in the embodiment provided by the present invention, the unwinding device includes a supporting frame 1, and a first deviation rectification roller 2 and a second deviation rectification roller 3 installed on the supporting frame 1. The supporting frame 1 is provided with an installation position 11 for installing the roller 4, and the roller 4 is wound with an object to be unwound (in this embodiment, the object to be unwound is the prepreg 5, and certainly, the object to be unwound may also be an object such as cloth or paper). The first deviation rectifying roller 2 and the second deviation rectifying roller 3 can rotate relative to the supporting frame 1, the first deviation rectifying roller 2 and the second deviation rectifying roller 3 are respectively located at two ends of the roller 4 in the axial direction and are respectively spaced from the roller 4 at a certain distance, when the prepreg 5 is unreeled, the prepreg 5 can deviate towards the end of the roller 4 (namely the prepreg deviates in the radial direction of the roller 4), and when the deviation exceeds an allowable value, the edge of the prepreg 5 can be in contact with the first deviation rectifying roller 2 (assuming that the prepreg 5 deviates towards the left side in a roll shifting manner, when the prepreg 5 deviates towards the right side in a roll shifting manner, the prepreg 5 can be in contact with the second deviation rectifying roller 3). At this time, the first deviation rectifying roller 2 can prevent the prepreg 5 from continuing to roll left, and meanwhile, the prepreg 5 can drive the first deviation rectifying roller 2 to rotate, so that the first deviation rectifying roller 2 can apply a rightward thrust to the semi-cured sheet 5, and thus the semi-cured sheet 5 can be rectified. Similarly, when the prepreg 5 is rolled to the right, the prepreg 5 may be corrected by the second correcting roller 3.

As shown in fig. 1 to 3, in the present embodiment, the support frame 1 has a lower surface 13 and an upper surface 12 which are oppositely arranged, and normally, the lower surface 13 is in contact with the ground, and then the support frame 1 is fixed on the ground by corresponding fasteners. The mounting location 11 comprises two mounting grooves (named first mounting groove and second mounting groove, respectively) arranged on the upper surface 12 of the support frame 1, and the two mounting grooves are respectively used for matching with bearings arranged at two ends of the roller 4 (in the embodiment, the roller 4 comprises an inflatable shaft, and the bearings are respectively arranged at two ends of the inflatable shaft), namely, two bearing mounting grooves of the mounting location 11 actually are arranged. In this embodiment, the roller 4 is mounted on the upper surface 12 of the supporting frame 1, so that the roller 4 can be conveniently detached and mounted, and the replacement efficiency of the roller 4 is improved (after the prepreg 5 on the roller 4 is discharged, another roller 4 wound with the prepreg 5 needs to be replaced).

As shown in fig. 1 and 3, in the present embodiment, the upper surface 12 of the supporting frame 1 is further provided with two parallel and oppositely arranged guiding grooves 14 (named as a first guiding groove and a second guiding groove, respectively). Wherein, first guide groove and first mounting groove intercommunication, second guide groove and second mounting groove intercommunication, during installation roller 4, earlier put roller 4 in two guide grooves 14 (two bearings on roller 4 place respectively in two guide grooves 14 promptly), then along guide groove 14 with roller 4 push into the mounting groove for roller 4's installation is more convenient. As shown in fig. 2, in this embodiment, the first deviation correcting roller 2 and the second deviation correcting roller 3 do not protrude from the upper surface 12 of the supporting frame 1, so that the probability of collision between two rolling shafts and people or other objects can be reduced, and the safety performance of the whole unwinding device is improved.

As shown in fig. 1, in the present embodiment, the supporting frame 1 includes a left bracket 15 and a right bracket 16, a first mounting groove, a first guide groove, and a first deviation rectifying roller 2 are provided on the left bracket 15, a second mounting groove, a second guide groove, and a second deviation rectifying roller 3 are provided on the right bracket 16, and the left and right brackets are spaced apart from each other by a certain distance so that the rollers 4 are mounted.

As shown in fig. 1, in the embodiment provided by the present invention, the unwinding device further includes a first connecting mechanism 6 and a second connecting mechanism 7. Wherein, the first connecting mechanism 6 is used for connecting the first deviation rectifying roller 2 with the left bracket 15, and the second connecting mechanism 7 is used for connecting the second deviation rectifying roller 3 with the right bracket 16.

As shown in fig. 4, in the present embodiment, the first connecting mechanism includes a first support arm 61 and a second support arm 62 that are provided at an interval in the vertical direction. One end of the first support arm 61 is connected with the left support frame, and the other end of the first support arm 61 is connected with one end of the first deviation rectification roller 2; one end of the second supporting arm 62 is connected with the left supporting frame, and the other end of the second supporting arm 62 is connected with the other end of the first rectification roller 2; wherein, first support arm 61 and second support arm 62 are fixed relative to the left strut, and first rectifying roller 2 can rotate relative to first support arm 61 and second support arm 62 simultaneously. Specifically, in this embodiment, the first rectification roller 2 is a cylinder, and the first support arm 61 and the second support arm 62 are respectively provided with a fixing shaft capable of extending into the cylinder, wherein the fixing shaft is in clearance fit with the cylinder.

In the embodiment, the lengths of the first support arm 61 and the second support arm 62 are adjustable, so that the distance between the first rectification roller 2 and the roller 4 is adjustable, and the unwinding device can adapt to prepregs 5 with different widths.

Specifically, as shown in fig. 4, in the present embodiment, the first support arm 61 includes a first fixing section 611, a first connecting section 612 and a first connecting piece 613. One end of the first fixing section 611 is fixed to the left bracket 15; one end of the first connecting section 612 is provided with a first hole 6121, the other end of the first fixing section 611 can extend into the first hole 6121, the first connecting section is further provided with a first threaded hole 6122, the first threaded hole 6122 is communicated with the first hole 6121 (i.e., the first threaded hole 6122 penetrates through the side wall of the first hole 6121), the first connecting piece 613 is provided with an external thread (the first connecting section can be a bolt), can be matched with the first threaded hole 6122, and can enter the first hole 6121 to abut against the first fixing section 611 when being matched with the first threaded hole 6122, so as to connect the first fixing end 611 and the first connecting section 612 together; the other end of the first connecting section 612 is provided with a fixed shaft 6123 to mate with the cylinder. It is understood that in other embodiments provided by the present invention, the first hole 6121 may also be disposed on the first fixing section 611, and the first connecting section 612 may extend into the first fixing section 611.

As shown in fig. 4, in the present embodiment, the second support arm 62 includes a second fixing section 621, a second connecting section 622, and a second connecting member 623. One end of the second fixing section 621 is fixed to the left bracket 15; one end of the second connecting section 622 is provided with a second hole 6221, the other end of the second fixing section 621 can extend into the second hole 6221, the second connecting section 622 is further provided with a second threaded hole 6222, the second threaded hole 6222 is communicated with the second hole 6221 (i.e. the second threaded hole 6222 penetrates through the side wall of the second hole 6221), the second connecting member 623 is provided with an external thread (the second connecting section 623 can be a bolt), can be matched with the second threaded hole 6222, and can enter the second hole 6221 to abut against the second fixing section 621 when matched with the second threaded hole 6222 so as to connect the second connecting section and the second fixing section together; the other end of the second connecting section 622 is provided with a fixed shaft 6223 to be fitted with the cylinder. It is understood that in other embodiments provided by the present invention, the second hole may also be disposed on the second fixing section 621, and the second connecting section 622 may extend into the second fixing section 621.

As shown in fig. 5 and 6, the left bracket 15 is provided with a T-shaped groove 151 in the vertical direction, and the first support arm 61 includes a first stopper 614, a first threaded portion 615, and a first connecting portion 616, which are sequentially arranged in the longitudinal direction. The first stopper 614 and the first thread portion 616 are both part of the fixing section 611, and the first stopper 614 can be placed in the T-shaped groove 151 and can slide along the length direction of the T-shaped groove 151 after being placed in the T-shaped groove 151; the first threaded portion 165 is externally threaded for engaging a nut 617, and when the nut 617 is tightened (i.e., the nut 617 abuts the outer side of the T-shaped slot 151 and the first stop 614 abuts the inner wall of the T-shaped slot 151), the first support arm 61 is secured within the T-shaped slot 151. The first connection portion 616 is adapted to be connected to one end of the first deviation rectifying roller 2, and includes a first connection section 612, a first connection piece 613, and the other portion of the fixing section (i.e., the portion of the fixing section excluding the first stopper 614 and the first screw portion 616).

In the present embodiment, the second support arm 62 has the same structural design as the first support arm 61, that is, the second support arm 62 includes a second stopper, a second threaded portion, and a second connecting portion, which are sequentially arranged in the length direction. The second stopper and the second threaded portion are both part of the fixed section, and the second stopper can be placed in the T-shaped groove and can slide along the length direction of the T-shaped groove 151 after being placed in the T-shaped groove 151; the second threaded portion is provided with external threads for cooperating with a nut, and when the nut is tightened (i.e., the nut abuts against the outer side surface of the T-shaped groove 151, and the second stopper abuts against the inner wall of the T-shaped groove 151), the second support arm 62 can be fixed in the T-shaped groove 151. The second connecting part is used for being connected with two ends of the second deviation rectifying roller 3 and comprises a second connecting section, a second connecting piece and a part of a fixing section, wherein the fixing section is arranged in the second hole.

Through the corresponding arrangement of the T-shaped groove 151 and the first and second support arms 61 and 62, the distance between the two support arms can be adjusted, so that the first connecting mechanism 6 can be applied to the first rectification rollers 2 with different lengths. In addition, in this embodiment, the unwinding device further includes a second connecting mechanism 7, and the second connecting mechanism 7 and the first connecting mechanism 6 are the same structure, and the present invention is not described herein repeatedly.

As shown in fig. 1, in the present embodiment, the unwinding device further includes a driving mechanism 8, and the driving mechanism 8 is connected to the roller 4 and is configured to provide a driving force for the rotation of the roller 4 so as to facilitate the unwinding of the prepreg 5. Specifically, in the present embodiment, the driving mechanism includes a motor 81, a clutch 82 connected to a main shaft of the motor 81, and a transmission mechanism 83 connected to an output end of the clutch 82, and an output end of the transmission mechanism 83 is connected to the roller 4, wherein the transmission mechanism 83 may be a chain transmission mechanism, a gear transmission mechanism, or the like.

As shown in fig. 1 and 7, the unwinding device further includes a connector 9, one end (the end surface defining the end is a first surface) of the connector 9 is connected to the output end of the driving mechanism 83, and the other end (the end surface defining the end is a second surface 91) of the connector 9 is detachably connected to the roller 4, so as to facilitate the replacement of the roller 4. The surface of the connector 9 (i.e. the second surface 91) facing away from the transmission mechanism 83 is provided with a groove 92, and the side wall of the groove 92 is provided with a notch 93, and the notch 93 is opened from the second surface 91 and extends towards the first surface. The roller 4 is provided with a connecting block 41, the connecting block 41 can be placed into or withdrawn from the notch 93 into the groove 92, and after the connecting block 41 is placed into the groove 92, an abutting surface is formed between the connecting block 41 and the groove 92, so that the connecting block 41 cannot (or cannot continue) rotate in the groove 92, and thus when the driving mechanism 8 drives the connector 9 to rotate, the roller 4 can be driven to rotate (i.e. the connector 9 and the roller 4 can synchronously rotate). When the roller 4 needs to be replaced, the connector 9 is rotated to a proper position to withdraw the connecting block 41 from the groove 92, and the connecting relation between the roller 4 and the connector is released. Specifically, in the present embodiment, the groove 92 is a rectangular groove, and the connecting block 41 is a rectangular block.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. The utility model provides an unwinding device which characterized in that includes:

the supporting frame is provided with a mounting position for mounting the roller; the roller is provided with an object to be unreeled;

the first deviation rectifying roller is arranged on the supporting frame and can rotate relative to the supporting frame;

the second deviation rectifying roller is arranged on the supporting frame and can rotate relative to the supporting frame;

the first deviation correcting roller and the second deviation correcting roller are respectively located at two ends of the roller and used for applying an acting force opposite to a shifting direction to the object to be unreeled when the object to be unreeled moves so as to correct the deviation of the object to be unreeled.

2. The unwinding device as claimed in claim 1, wherein the supporting frame has a lower surface capable of contacting the ground to support the supporting frame, and an upper surface opposite to the lower surface;

the mounting position comprises a first mounting groove and a second mounting groove which are arranged on the upper surface of the supporting frame, and the first mounting groove and the second mounting groove are respectively used for being matched with bearings arranged at two ends of the roller.

3. The unwinding device as claimed in claim 2, wherein the supporting frame further has a first guide slot and a second guide slot arranged in parallel on the upper surface thereof, the first guide slot is communicated with the first mounting slot, the second guide slot is communicated with the second mounting slot, and the first guide slot and the second guide slot are respectively matched with bearings arranged at two ends of the roller for guiding the roller to the mounting position.

4. The unwinding device as claimed in claim 2, wherein neither the first deviation rectifying roller nor the second deviation rectifying roller protrudes from the upper surface of the supporting frame.

5. The unwinding device of claim 1, further comprising a first connection mechanism, wherein the first connection mechanism comprises a first support arm and a second support arm spaced apart in a vertical direction;

one end of the first support arm is connected with the support frame, and the other end of the first support arm is connected with one end of the first deviation rectifying roller;

one end of the second supporting arm is connected with the supporting frame, and the other end of the second supporting arm is connected with the other end of the first deviation rectifying roller;

the first supporting arm and the second supporting arm are opposite to each other, the supporting frame is fixed, and the first deviation rectifying roller can simultaneously rotate relative to the first supporting arm and the second supporting arm.

6. Unwinding device according to claim 5, characterised in that the first support arm and the second support arm are both adjustable in length so as to make the distance between the first deviation roller and the roller adjustable; and/or

The distance between the first supporting arm and the second supporting arm is adjustable, so that the first connecting mechanism is suitable for the first deviation rectification roller with different lengths.

7. The unwinding device as claimed in claim 5 or 6, wherein the supporting frame comprises a left bracket and a right bracket, and the first connecting mechanism is used for connecting the first deviation rectifying roller and the left bracket together;

the unwinding device further comprises a second connecting mechanism, and the second connecting mechanism is used for connecting the second deviation rectifying roller and the right support together;

the second connecting mechanism and the first connecting mechanism are arranged in the same structure.

8. The unwinding device as claimed in claim 1, further comprising a driving mechanism, wherein the driving mechanism is connected to the roller and is used for providing a driving force for the rotation of the roller to facilitate the unwinding of the object to be unwound.

9. The unwinding device as claimed in claim 8, further comprising a connector, wherein one end of the connector is connected to the driving mechanism, and the other end of the connector is detachably connected to the roller.

10. The unwinding device as claimed in claim 9, wherein a groove is formed on a surface of the connector away from the driving mechanism, and a notch communicated with the groove is formed on a side wall of the groove;

the roller is provided with a connecting block, the connecting block can be placed into or withdrawn from the groove from the notch, and after the connecting block is placed into the groove, the connecting block and the groove can synchronously rotate.