Tensioning mechanism for winding of copper foil strip electroplating production line

Abstract

The utility model belongs to the technical field of copper foil processing equipment, and particularly relates to a tensioning mechanism for winding of a copper foil strip electroplating production line, which comprises a base plate, and a pressing component, a synchronous conveying wheel, a tensioning component and a winding component are sequentially arranged on the base plate along the electroplating output direction of a copper foil strip. One end of a copper foil belt subjected to the electroplating process sequentially passes through the pressing assembly, the synchronous conveying wheel and the tensioning assembly and is wound through the winding assembly, the tensioning assembly comprises a stand column, a lifting wheel is arranged on the side, close to the winding assembly, of the stand column in a sliding mode, a driving part is arranged on the stand column, and the driving part is connected with the lifting wheel. And the driving piece is in transmission fit with the lifting wheel. When the winding assembly is abnormal, operation of the electroplating production line does not need to be stopped, and therefore economic losses caused by line stopping are reduced.

Description

TECHNICAL FIELD

[0001] The utility model belongs to copper foil processing equipment technical field especially relates to a copper foil strip electroplating production line winding is used tensioning mechanism. BACKGROUND

[0002] Copper foil is a kind of negative electrolytic material, deposits on the base layer of a thin, continuous metal foil on the circuit board, generally as the conductor of PCB, it is easy to adhere to the insulating layer, accept printing protective layer, corrosion and form circuit pattern, so copper foil is often used in circuit, copper foil strip is usually cut into different specifications according to the needs of copper foil strip, for use, copper foil has low surface oxygen characteristics, can be attached to a variety of different substrates, such as metal, insulating materials, etc., has a wide temperature range of use. Mainly used in electromagnetic shielding and antistatic, the conductive copper foil is placed on the substrate surface, combined with metal substrate, has excellent conductivity, and provides electromagnetic shielding effect.

[0003] Copper foil strip needs to be rolled after electroplating process for storage, that is, a winding mechanism is arranged at the tail end of the electroplating production line for rolling the copper foil strip completed electroplating, when the winding mechanism is abnormal, the copper foil strip output from the electroplating production line cannot be rolled in time, if the electroplating production line is closed, it will inevitably cause great loss, and if the electroplating production line is not closed, it will cause copper foil strip accumulation and even damage, therefore, a copper foil strip electroplating production line winding tensioning mechanism is provided to solve the above technical problems. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a copper foil strip electroplating production line winding tensioning mechanism to solve the problems existing in the prior art.

[0005] To achieve the above-mentioned purpose, the utility model provides a copper foil strip electroplating production line winding tensioning mechanism, including base plate, the base plate is sequentially provided with pressure assembly, synchronous conveying wheel, tensioning assembly and winding assembly along copper foil strip electroplating output direction, one end of copper foil strip completed electroplating process sequentially passes through pressure assembly, synchronous conveying wheel and tensioning assembly and is rolled through winding assembly, the tensioning assembly includes stand, the side of the stand close to winding assembly is slidably provided with lifting wheel, the stand is provided with driving part, and the driving part is in transmission cooperation with lifting wheel.

[0006] Preferably, the lifting wheel includes a sliding block slidably connected to the stand, a second bracket connected to the side of the sliding block away from the stand, a second rotating wheel rotatably connected to the second bracket, a mounting seat connected to the top end of the stand, a pulling piece provided on the mounting seat, an execution end of the pulling piece connected to the sliding block, and the pulling piece in transmission cooperation with the driving part.

[0007] Preferably, the pulling member comprises a winding drum rotatably connected to the mounting base, one end of a pulling belt is fixedly arranged on the winding drum, and the other end of the pulling belt is connected to the sliding block.

[0008] Preferably, the driving member is a servo motor I fixedly arranged on the mounting base, and an output shaft of the servo motor I is fixedly connected to a rotating shaft of the winding drum.

[0009] Preferably, the pressing assembly comprises a support three vertically connected to the top end of the base plate, a rotating wheel three is rotatably connected to the support three, a connecting plate is hingedly connected to the top end of the support three, a pressing wheel is hingedly connected to the other end of the connecting plate, the pressing wheel is opposite to the rotating wheel three, a cross rod is connected to the support three, the cross rod is located below the connecting plate, and the connecting plate and the cross rod are connected through a tension spring.

[0010] Preferably, the synchronous conveying wheel comprises a support four connected to the base plate, a driving wheel is rotatably connected to the support four, a servo motor II is arranged on the support four, and an output end of the servo motor II is in transmission cooperation with the driving wheel through a speed reducer.

[0011] Preferably, the winding assembly comprises a vertical plate connected to the top end of the base plate, a winding disc is detachably and rotatably connected to the vertical plate, and a servo motor III is arranged on the vertical plate and in transmission cooperation with the winding disc.

[0012] Preferably, an output shaft of the servo motor III is connected to a rotating rod, a cross section of the rotating rod is triangular, and a triangular hole matched with the rotating rod is formed in a center portion of the winding disc.

[0013] Compared with the prior art, the tensioning mechanism has the following advantages and technical effects:

[0014] The tensioning mechanism for winding copper foil strips in the copper foil strip electroplating production line comprises a base plate, a mounting base, a driving member, a pulling member, a synchronous conveying wheel, a pressing assembly and a winding assembly.

[0015] The tensioning mechanism for winding copper foil strips in the copper foil strip electroplating production line comprises a base plate, a mounting base, a driving member, a pulling member, a synchronous conveying wheel, a pressing assembly and a winding assembly. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the technical solutions of the embodiments of the present application or the prior art, the drawings needed in the embodiments will be briefly introduced as follows. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor on the premise of the drawings.

[0017] Fig. 1 A structure diagram of a tensioning mechanism for winding of a copper foil strip electroplating production line is provided in the present application.

[0018] Fig. 2 A structure diagram of a winding assembly in the present application is provided.

[0019] Among them: 1, base plate; 2, vertical plate; 3, winding disc; 4, guide wheel one; 5, support one; 6, rotating wheel one; 7, sliding rail; 8, support two; 9, rotating wheel two; 10, sliding block; 11, stand; 12, servo motor one; 13, mounting seat; 14, guide wheel two; 15, servo motor two; 16, speed reducer; 17, drive wheel; 18, rotating wheel three; 19, cross bar; 20, connecting plate; 21, compression wheel; 22, tension spring; 24, pull belt; 25, support three; 26, support four; 27, servo motor three; 28, rotating rod. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present application will be described clearly and completely in combination with the drawings in the embodiments of the present application. Obviously, the described embodiments are only some embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.

[0021] In order to make the above-mentioned purposes, features and advantages of the present application more obvious and easy to understand, the present application will be further described in detail in combination with the drawings and specific embodiments.

[0022] The technical terms in the present embodiments will be explained as follows:

[0023] Servo motor is a device that converts electrical signals into precise mechanical motion. Through a closed-loop control system, it achieves precise control of position, speed and acceleration. Its rotor speed is controlled by input signal, and it can stop immediately when the signal disappears, with the "absolute obedience" feature.

[0024] Working principle:

[0025] Pulse positioning: the motor receives pulse signals, and each pulse corresponds to a specific rotation angle, realizing displacement control.

[0026] Closed-loop feedback: built-in encoder provides real-time position / speed feedback, controller adjusts output to match target values with accuracy up to 0.001mm.

[0027] Drive control: driver converts control signals into current to drive motor, supporting position, speed, and torque control modes.

[0028] Copper foil strip electroplating production line is an automatic production system that uses electrochemical deposition technology to uniformly coat copper layer on the surface of the substrate. It is mainly used for producing high-purity and high-performance electrolytic copper foil, and is widely used in electronic, communication, new energy and other fields.

[0029] Core principle:

[0030] Electrochemical reaction: in the electrolyte, copper plate as anode, titanium roller as cathode, through the action of direct current, copper ions (Cu2+) are reduced to metal copper on the surface of the cathode, forming a dense and uniform coating.

[0031] Additive control: by adding organic inhibitors, brighteners, etc., the crystal morphology of copper is optimized, and the physical properties and surface quality of copper foil are improved.

[0032] Continuous production: electrolytic cell, titanium roller, and winding system work together to realize continuous production and winding of copper foil.

[0033] Referring to Figs. 1-2 The utility model provides a kind of copper foil strip electroplating production line winding tensioning mechanism, including substrate 1, substrate 1 is sequentially provided with compression assembly, synchronous conveying wheel, tensioning assembly and winding assembly along copper foil strip electroplating output direction, the end of copper foil strip completing electroplating process sequentially passes through compression assembly, synchronous conveying wheel and tensioning assembly and is wound by winding assembly, tensioning assembly includes stand 11, one side of stand 11 close to winding assembly is slidably provided with lifting wheel, driving part is provided on stand 11, driving part is transmission cooperation with lifting wheel.

[0034] The copper foil strip output by the electroplating production line is compressed by the compression assembly to maintain a certain resistance during the process of being pulled by the synchronous conveying wheel, preventing the copper foil strip from deforming under the traction of the synchronous conveying wheel. The winding assembly is provided to realize the winding of the copper foil strip. When the winding assembly is abnormal, the synchronous conveying wheel can still operate normally. The lifting wheel rises along the stand 11 to pull the copper foil strip that cannot be wound, preventing the copper foil strip from piling up or being damaged, thereby ensuring the normal operation of the electroplating production line.

[0035] It should be noted that, in order to ensure uniform stress of copper foil strip and prevent it from being torn or stretched during winding, the synchronous conveying wheel and the winding assembly are kept in synchronous operation.

[0036] Further, the lifting wheel comprises a sliding block 10 slidably connected to the stand column 11, a support two 8 connected to the side of the sliding block 10 away from the stand column 11, a rotating wheel two 9 rotatably connected to the support two 8, a mounting seat 13 connected to the top end of the stand column 11, a pulling piece arranged on the mounting seat 13, and an execution end of the pulling piece connected to the sliding block 10, and the pulling piece is in transmission cooperation with the driving piece.

[0037] In the embodiment, the stand column 11 is vertically connected with a sliding rail 7, and the sliding block 10 is slidably limited on the sliding rail 7, thereby further ensuring the smoothness of the movement of the sliding block 10.

[0038] The driving piece drives the pulling piece to operate, the execution end of the pulling piece pulls the sliding block 10 to move along the stand column 11, the copper foil belt is arranged on the rotating wheel two 9, and the sliding block 10 drives the support two 8 and the rotating wheel two 9 to move, and it needs to be noted that the speed of the upward movement of the sliding block 10 is consistent with the speed of the synchronous conveying wheel.

[0039] Further, the pulling piece comprises a winding drum rotatably connected to the mounting seat 13, one end of a pulling belt 24 is fixedly arranged on the winding drum, the other end of the pulling belt 24 is connected to the sliding block 10, and the winding drum is in transmission cooperation with the driving piece.

[0040] The driving piece drives the winding drum to rotate, the winding drum winds the pulling belt 24, and as the pulling belt 24 is wound, the pulling belt 24 pulls the sliding block 10 to move upward along the stand column 11.

[0041] Further, the driving piece is a servo motor one 12 fixedly installed on the mounting seat 13, and an output shaft of the servo motor one 12 is fixedly connected to a rotating shaft of the winding drum.

[0042] The servo motor one 12 drives the winding drum, and the speed of the movement of the sliding block 10 can be kept consistent with the traction speed of the synchronous conveying wheel by adjusting the rotating speed of the servo motor one 12.

[0043] Further, the pressing assembly comprises a support three 25 vertically connected to the top end of the base plate 1, a rotating wheel three 18 rotatably connected to the support three 25, a connecting plate 20 hingedly connected to the top end of the support three 25, a pressing wheel 21 hingedly connected to the other end of the connecting plate 20, the pressing wheel 21 abuts against the rotating wheel three 18, a cross rod 19 connected to the support three 25, the cross rod 19 located below the connecting plate 20, and a tension spring 22 connected between the connecting plate 20 and the cross rod 19.

[0044] In use, the copper foil belt output by the electroplating production line is arranged between the pressing wheel 21 and the rotating wheel three 18, and the tension spring 22 is arranged to enable the pressing wheel 21 and the rotating wheel three 18 to have a certain pressing force, so that the copper foil belt has a certain resistance in the process of being pulled, thereby preventing bending and deformation.

[0045] Further, the synchronous conveying wheel comprises a support four 26 connected to the base plate 1, a driving wheel 17 is rotatably connected to the support four 26, a servo motor two 15 is installed on the support four 26, and an output end of the servo motor two 15 is in transmission cooperation with the driving wheel 17 through a speed reducer 16.

[0046] By adjusting the rotating speed of the servo motor two 15, the speed of the copper foil strip being pulled and the winding speed of the winding assembly can be kept consistent, so that a certain tension exists in the copper foil strip during the winding process, and the copper foil strip is prevented from being stretched and deformed when the winding speed of the winding assembly is greater than the pulling speed of the synchronous conveying wheel, and the copper foil strip is prevented from being bent and deformed when the winding speed of the winding assembly is less than the pulling speed of the synchronous conveying wheel.

[0047] Further, the winding assembly comprises a vertical plate 2 connected to the top end of the base plate 1, and a winding disc 3 is detachably and rotatably connected to the vertical plate 2, a servo motor three 27 is installed on the vertical plate 2, and the servo motor three 27 is in transmission cooperation with the winding disc 3.

[0048] The winding disc 3 is driven to rotate by the servo motor three 27, so as to wind the copper foil strip, and after winding a whole disc, the winding disc 3 is removed, and an empty winding disc 3 is replaced, so as to facilitate replacement of the winding disc 3.

[0049] Further, an output shaft of the servo motor three 27 is connected with a rotating rod 28, the rotating rod 28 has a triangular cross section, and a center portion of the winding disc 3 is provided with a triangular hole matched with the rotating rod 28.

[0050] The rotating rod 28 is in limiting cooperation with the winding disc 3, on the one hand, the winding disc 3 is convenient to replace, and on the other hand, the rotating rod 28 is driven to rotate by the servo motor three 27, and the rotating rod 28 can effectively drive the winding disc 3 to rotate.

[0051] Further, in order to facilitate reversing of the copper foil strip, a guide wheel two 14 is rotatably connected to the lower portion of the stand column 11, a support one 5 is arranged between the stand column 11 and the vertical plate 2, the support one 5 is fixedly connected to the top end of the base plate 1, a rotating wheel one 6 is rotatably connected to the support one 5, and a guide wheel one 4 is rotatably connected to one side of the vertical plate 2 close to the stand column 11.

[0052] The tensioning mechanism for winding copper foil belt of the copper foil electroplating production line has the working principle that when in use, the end part of the copper foil belt output from the electroplating production line is sequentially passed between the pressing wheel 21 and the rotating wheel three 18, then passes around the driving wheel 17, and is passed around the rotating wheel two 9 through the twice reversing of the guide wheel two 14 and the rotating wheel one 6, then is fixed on the winding disc 3 after reversing again through the guide wheel one 4, the servo motor three 27 and the servo motor two 15 are synchronously started, the winding of the copper foil belt is realized, when the winding assembly is abnormal, the servo motor one 12 can be started, the servo motor one 12 drives the winding cylinder to rotate, the winding cylinder winds the pulling belt 24, the pulling belt 24 pulls the sliding block 10 to move upwards along the stand 11, the speed of the sliding block 10 is adjusted to be consistent with the traction speed of the synchronous conveying wheel through adjusting the rotating speed of the servo motor one 12, the sliding block 10 drives the support two 8 and the rotating wheel two 9 to move, the copper foil belt is pulled to form a buffer zone, and then the copper foil belt is prevented from being accumulated due to being unable to be wound in time and being damaged, when the winding assembly returns to normal, the rotating speed of the servo motor three 27 can be appropriately adjusted to be faster, and the servo motor one 12 is controlled to rotate reversely, at the moment, the sliding block 10 drives the support two 8 and the rotating wheel two 9 to move downwards slowly, the excess copper foil belt is wound back by the winding disc 3, the sliding block 10 is reset, the servo motor one 12 is turned off, and then the servo motor three 27 is adjusted to the normal speed.

[0053] In the description of the utility model, it is understood that the orientation or position relation indicated by the terms "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is the orientation or position relation shown in the drawings, and is only for the convenience of describing the utility model, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model.

[0054] The above is only the preferred specific embodiment of the present application, but the protection scope of the present application is not limited to this, and any change or replacement that can be easily thought of by those skilled in the art within the technical range disclosed in the present application should be covered in the protection scope of the present application.

Claims

1. A tensioning mechanism for a copper foil strip electroplating production line for winding, characterized in that, The application relates to a copper foil strip electroplating device, which comprises a base plate (1) provided with a pressing assembly, a synchronous conveying wheel, a tensioning assembly and a winding assembly in sequence along the electroplating output direction of the copper foil strip, one end of the copper foil strip after the electroplating process passes through the pressing assembly, the synchronous conveying wheel and the tensioning assembly and is wound by the winding assembly, the tensioning assembly comprises a stand (11), a lifting wheel is slidably arranged on one side of the stand (11) close to the winding assembly, a driving element is arranged on the stand (11) and transmissionally cooperates with the lifting wheel.

2. The copper foil strip electroplating production line tensioning mechanism for winding according to claim 1, characterized in that, The lifting wheel comprises a sliding block (10) slidably connected to the stand (11), a second bracket (8) is connected to one side of the sliding block (10) away from the stand (11), a rotating wheel (9) is rotatably connected to the second bracket (8), a mounting seat (13) is connected to the top end of the stand (11), a pulling element is arranged on the mounting seat (13), the executing end of the pulling element is connected to the sliding block (10), and the pulling element transmissionally cooperates with the driving element.

3. The copper foil strip electroplating production line tensioning mechanism for winding according to claim 2, characterized in that, The pulling element comprises a winding drum rotatably connected to the mounting seat (13), one end of a pulling belt (24) is fixedly arranged on the winding drum, the other end of the pulling belt (24) is connected to the sliding block (10), and the winding drum transmissionally cooperates with the driving element.

4. The copper foil strip electroplating production line tensioning mechanism for winding according to claim 3, characterized in that, The driving element is a servo motor (12) fixedly arranged on the mounting seat (13), and the output shaft of the servo motor (12) is fixedly connected to the rotating shaft of the winding drum.

5. The copper foil strip electroplating production line tensioning mechanism for winding according to claim 1, characterized in that, The pressing assembly comprises a third bracket (25) vertically connected to the top end of the base plate (1), a rotating wheel (18) is rotatably connected to the third bracket (25), a connecting plate (20) is hingedly connected to the top end of the third bracket (25), the other end of the connecting plate (20) is hingedly connected to a pressing wheel (21), the pressing wheel (21) abuts against the rotating wheel (18), a cross rod (19) is connected to the third bracket (25), the cross rod (19) is located below the connecting plate (20), and the connecting plate (20) and the cross rod (19) are connected by a tension spring (22).

6. The copper foil strip electroplating production line tensioning mechanism for winding according to claim 1, characterized in that, The synchronous conveying wheel comprises a fourth bracket (26) connected to the base plate (1), a driving wheel (17) is rotatably connected to the fourth bracket (26), a servo motor (15) is arranged on the fourth bracket (26), and the output end of the servo motor (15) transmissionally cooperates with the driving wheel (17) through a speed reducer (16).

7. The copper foil strip electroplating production line tensioning mechanism for winding according to claim 1, characterized in that, The winding assembly comprises a vertical plate (2) connected to the top end of the base plate (1), a winding disc (3) is detachably rotatably connected to the vertical plate (2), a servo motor (27) is arranged on the vertical plate (2), and the servo motor (27) transmissionally cooperates with the winding disc (3).

8. The copper foil strip electroplating production line tensioning mechanism for winding according to claim 7, characterized in that, The output shaft of the servo motor (27) is connected to a rotating rod (28), the cross section of the rotating rod (28) is triangular, and a triangular hole matched with the rotating rod (28) is formed in the center of the winding disc (3).

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