Flat pressing gold stamping equipment and electrochemical aluminum foil tension control device

Abstract

The utility model discloses flat pressing gold stamping equipment and an electrochemical aluminum foil tension control device, and the electrochemical aluminum foil tension control device comprises an unwinding assembly, at least two foil passing shafts, a swinging storage mechanism and a winding assembly, wherein the swinging storage mechanism is used for temporarily storing electrochemical aluminum foil on a winding side and releasing the electrochemical aluminum foil on a winding side during hot stamping; wherein the two foil passing shafts are arranged on the two sides of the hot stamping station correspondingly, so that the electrochemical aluminum foil passes through the hot stamping station, one end of the swing storage mechanism is located between the unwinding assembly and one foil passing shaft, the other end of the swing storage mechanism is located between the other foil passing shaft and the winding assembly, and the swing storage mechanism can store materials and release the electrochemical aluminum foil when moving horizontally. And the electrochemical aluminum foil at the unwinding and winding positions is in constant-speed operation, so that the operation tension of the electrochemical aluminum foil is stable. Wherein the winding assembly is of a slip shaft structure, the friction resistance of the foil winding alumite coil can be automatically controlled, the operation difficulty and strength of an operator are greatly reduced, and meanwhile waste products caused by wrinkling of alumite foil and the like due to improper resistance are reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of aluminum foil processing equipment, in particular to flat-pressing hot stamping equipment and an electrochemical aluminum foil tension control device. Background Art

[0002] When hot stamping with flat-press hot stamping equipment, you need to use an electroplated aluminum foil roll consumables for hot stamping. Due to the different diameters of the electroplated aluminum foil rolls, the friction resistance required for the aluminum rolls at the foil unwinding and foil rewinding points will be different. Currently, the resistance size needs to be manually adjusted during use, which increases the difficulty of starting the machine and also increases waste.

[0003] In order to solve the above problems, the existing technology uses a mechanical friction disc for winding and unwinding, such as Figure 1 As shown, a stepper motor 10 simultaneously drives the progressive roller 1 and the foil collection roller 3 to rotate. During rewinding, the progressive roller 1 and roller 2 pull the stamped anodized aluminum foil between the two friction discs 4 on the foil collection roller 3 for rewinding. A spring 5 automatically adjusts the resistance between the two friction discs 4 and the rotation of the anodized aluminum coil (not shown). This method uses the stepper roller 1 to directly pull the friction discs 4 to control the damping of the anodized aluminum foil. When the anodized aluminum coil is relatively wide or has a large diameter, and the step length of the stepper motor is relatively large, the anodized aluminum coil's heavy weight generates a large inertial force, making it impossible to start and stop the anodized aluminum coil at high speeds. During high-speed starting and stopping, the inertial force can cause the anodized aluminum coil to loosen, seriously affecting the speed of the equipment. Furthermore, the spring force control of the spring 5 is also based on human experience to set the position of the locking sleeve 6, and the spacing between the two friction discs 4 can also be adjusted by the spring 5. This does not effectively control the friction between the anodized aluminum coil and the foil collection roller 3. Therefore, the existing technology still needs to be improved. Utility Model Content

[0004] In view of the above-mentioned deficiencies in the prior art, the purpose of the present invention is to provide a flat-press hot stamping equipment and an electrochemical aluminum foil tension control device, which can make the rewinding and unwinding run at a constant speed without stopping, and make the running tension of the electrochemical aluminum foil stable.

[0005] In order to solve the above technical problems, the present invention adopts the following technical solutions:

[0006] A device for controlling the tension of an anodized aluminum foil comprises an unwinding assembly, at least two foil-passing shafts, a swinging storage mechanism for temporarily storing the anodized aluminum foil on the unwinding side and releasing the anodized aluminum foil on the rewinding side during hot stamping, and a rewinding assembly. The two foil-passing shafts are respectively arranged on either side of a hot stamping station so that the anodized aluminum foil passes through the hot stamping station. One end of the swinging storage mechanism is located between the unwinding assembly and one foil-passing shaft, and the other end of the swinging storage mechanism is located between the other foil-passing shaft and the rewinding assembly.

[0007] The winding assembly includes a first slip shaft, a stepping winding motor and a first electrical proportional valve. The first slip shaft is provided with a plurality of first slip disks. The stepping winding motor is connected to one end of the first slip shaft to drive the first slip shaft and the first slip disk to rotate and wind the electrochemical aluminum foil. The first electrical proportional valve is connected to the air supply groove of the first slip shaft. The air pressure in the air supply groove is adjusted according to the roll diameter of the electrochemical aluminum foil on the first slip disk to adjust the friction resistance between the first slip disk and the first slip shaft.

[0008] In the anodized aluminum foil tension control device, the unwinding assembly includes a second slip shaft and a second electrical proportional valve. The second slip shaft is provided with a plurality of second slip discs. The second electrical proportional valve is connected to the air supply groove of the second slip shaft. The air pressure in the air supply groove is adjusted according to the roll diameter of the anodized aluminum foil on the second slip disc to adjust the friction resistance between the second slip disc and the second slip shaft.

[0009] The electrochemical aluminum foil tension control device also includes at least one group of feed stepping traction rollers and feed pressing rollers. The feed stepping traction rollers are arranged between one end of the swinging storage mechanism and a foil passing shaft. The feed pressing rollers are in rolling contact with the feed stepping traction rollers. The feed stepping traction rollers are provided with a first stepper motor. The first stepper motor drives the feed stepping traction rollers to deliver the electrochemical aluminum foil to the flat ironing station.

[0010] The electrochemical aluminum foil tension control device also includes at least one group of discharge stepping traction rollers and discharge pressure rollers. The discharge stepping traction rollers are arranged between another foil passing shaft and the other end of the swinging storage mechanism. The discharge pressure rollers are in rolling contact with the discharge stepping traction rollers. The discharge stepping traction rollers are provided with a second stepping motor. The second stepping motor drives the discharge stepping traction rollers to deliver the electrochemical aluminum foil to the winding station.

[0011] The electrochemical aluminum foil tension control device also includes a first bracket and a second bracket, one end of the first slip shaft and one end of the discharging stepping traction roller are arranged on the first bracket, and the other end of the discharging stepping traction roller is arranged on the second bracket.

[0012] In the electrochemical aluminum foil tension control device, the swing storage mechanism includes a motor drive wheel, a synchronous belt, a slide rail, a first swing storage roller, a second swing storage roller, a sliding plate and a driven wheel. The synchronous belt connects the motor drive wheel and the driven wheel. The first swing storage roller and the second swing storage roller are both connected to the synchronous belt. The first swing storage roller and the second swing storage roller are also connected to the sliding plate. The sliding plate is slidably arranged on the slide rail.

[0013] In the electrochemical aluminum foil tension control device, a plurality of ventilation micropores are provided on the first swing storage roller and the second swing storage roller.

[0014] In the electrochemical aluminum foil tension control device, a first guide roller is provided between the unwinding assembly and the first swinging storage roller, and a second guide roller is provided between the second swinging storage roller and the winding assembly.

[0015] In the electrochemical aluminum foil tension control device, the two foil-passing shafts are arranged at the same horizontal height, or the two foil-passing shafts are staggered.

[0016] A flat stamping equipment comprises a stamping platform and a fixed platform, and also comprises an electrochemical aluminum foil tension control device as described in any one of the above items, wherein the foil passing shaft of the electrochemical aluminum foil tension control device is arranged on both sides of the gap between the fixed platform and the stamping platform.

[0017] Compared with the prior art, the flat-press hot stamping equipment and electroplated aluminum foil tension control device provided by the utility model, the electroplated aluminum foil tension control device achieves the effect of storing and releasing the electroplated aluminum foil through a swinging storage mechanism. During hot stamping, when the swinging storage mechanism moves toward the winding side, it can store the electroplated aluminum foil for unloading and release the electroplated aluminum foil for winding, so that the electroplated aluminum foil in the hot stamping position section is stationary for hot stamping; after hot stamping, when the swinging storage mechanism moves toward the unwinding side, it can release the electroplated aluminum foil stored in the unloading and store the electroplated aluminum foil for winding, so that the electroplated aluminum foil at the unwinding and winding positions is in a uniform speed operation, thereby making the running tension of the electroplated aluminum foil stable, and the machine does not stop operation during hot stamping.

[0018] The winding assembly includes a first slip shaft, a stepping winding motor, and a first electrical proportional valve. The first slip shaft is provided with a plurality of first slip discs. The stepping winding motor is coupled to one end of the first slip shaft, driving the first slip shaft and the first slip discs to rotate and wind the anodized aluminum foil. The first electrical proportional valve is coupled to the air supply trough of the first slip shaft. The air pressure in the air supply trough is adjusted according to the diameter of the anodized aluminum foil on the first slip disc to adjust the frictional resistance between the first slip disc and the first slip shaft. When the anodized aluminum foil is wound, the air pressure input to the first slip shaft can be controlled by the first electrical proportional valve according to the diameter of the anodized aluminum foil roll, automatically controlling the frictional resistance of the reeled anodized aluminum foil. This significantly reduces the operator's operational difficulty and workload, while also reducing waste caused by wrinkling of the anodized aluminum foil due to improper resistance. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a structural schematic diagram of the electrochemical aluminum foil tension control device in the prior art.

[0020] Figure 2 This is a structural schematic diagram of the electrochemical aluminum foil tension control device provided by the utility model.

[0021] Figure 3 This is a schematic structural diagram of the winding assembly in the electrochemical aluminum foil tension control device provided by the utility model.

[0022] Figure 4 This is a structural schematic diagram of the swing storage mechanism in the electrochemical aluminum foil tension control device provided by the utility model.

[0023] Description of Reference Numerals

[0024] Electrochemical aluminum foil tension control device 100, unwinding component 1, foil feed shaft 2, swing storage mechanism 3, motor drive wheel 31, synchronous belt 32, slide rail 33, first swing storage roller 34, second swing storage roller 35, sliding plate 36, driven wheel 37, winding component 4, first slip shaft 41, first slip disc 42, stepping winding motor 43, feed stepping traction roller 50, feed pressure roller 51, discharge stepping traction roller 60, discharge pressure roller 61, first bracket 7, second bracket 70, first guide roller 80, second guide roller 81, stamping platform 201, fixed platform 202 DETAILED DESCRIPTION

[0025] In order to make the purpose, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.

[0026] The flat-press hot stamping equipment and anodized aluminum foil tension control device provided by the utility model are primarily used on flat-press hot stamping equipment to reel in and unreel anodized aluminum foil. By storing and releasing the anodized aluminum foil through a swinging material storage mechanism, the anodized aluminum foil at the unwinding and rewinding locations can be kept in a uniform speed, thereby stabilizing the operating tension of the anodized aluminum foil, significantly increasing speed, and improving the positioning accuracy of the holographic anodized aluminum foil. The utility model also automatically controls the frictional resistance of the reeled anodized aluminum coil through the slip shaft structure of the rewinding assembly, significantly reducing the operator's operating difficulty and intensity, while also reducing waste caused by wrinkling of the anodized aluminum foil due to inappropriate resistance.

[0027] See also Figure 2 and Figure 3 The electrochemical aluminum foil tension control device 100 provided by the present invention includes an unwinding component 1, at least two foil-passing shafts 2, a swinging storage mechanism 3 for temporarily storing the electrochemical aluminum foil on the unwinding side and releasing the electrochemical aluminum foil on the rewinding side during hot stamping, and a rewinding component 4, wherein the two foil-passing shafts 2 are respectively arranged on both sides of the hot stamping station of the electrochemical aluminum foil tension control device, so that the electrochemical aluminum foil passes through the hot stamping station, and one end of the swinging storage mechanism 3 is located between the unwinding component 1 and a foil-passing shaft 2 (such as Figure 2 The other end of the swing storage mechanism 3 is located between the other foil passing shaft 2 (such as Figure 2 Between the foil passing shaft 2) on the left and the winding assembly 4.

[0028] When in use, the anodized aluminum foil roll is placed on the unwinding assembly 1, and then the anodized aluminum foil is wound in sequence through one end of the swinging storage mechanism 3, a foil-passing shaft 2, another foil-passing shaft 2, and the other end of the swinging storage mechanism 3, and finally wound on the aluminum reel on the reeling assembly 4. During hot stamping, when the swinging storage mechanism 3 moves toward the reeling side, it can store the anodized aluminum foil on the foil-unwinding side and release the anodized aluminum foil for reeling, so that the anodized aluminum foil in the hot stamping position section is stationary for hot stamping; after hot stamping, when the swinging storage mechanism moves toward the unwinding side, it can release the anodized aluminum foil stored on the foil-unwinding side and store the anodized aluminum foil for reeling at the same time, so that the anodized aluminum foil at the unwinding and reeling positions is at a uniform speed, thereby making the running tension of the anodized aluminum foil stable, and the machine does not stop operating during hot stamping.

[0029] In a preferred embodiment, the two foil feed shafts 2 are arranged at the same horizontal height, so that the anodized aluminum foil can pass through the hot stamping station horizontally, thereby ensuring the hot stamping effect. Of course, the two foil feed shafts 2 can also be arranged in an offset position, as long as the anodized aluminum foil does not touch the hot stamping module (such as the hot stamping plate) when passing through the hot stamping station.

[0030] The winding assembly 4 includes a first slip shaft 41, a stepping winding motor 43 and a first electrical proportional valve (not shown in the figure). The first slip shaft 41 is provided with a plurality of first slip discs 42. The stepping winding motor 43 is connected to one end of the first slip shaft 41 to drive the first slip shaft 41 to rotate, so that the first slip disc 42 on the first slip shaft 41 also rotates to wind the electrochemical aluminum foil. The first electrical proportional valve is connected to the air supply groove of the first slip shaft 41. The air pressure in the air supply groove is adjusted according to the diameter of the electrochemical aluminum foil on the first slip disc 42 to adjust the friction resistance between the first slip disc 42 and the first slip shaft 41. When the electrochemical aluminum foil is wound, the air pressure input to the first slip shaft 41 can be controlled by the first electrical proportional valve according to the diameter of the electrochemical aluminum foil roll to automatically control the friction resistance of the electrochemical aluminum roll. This greatly reduces the difficulty and intensity of the operator's operation and reduces waste caused by wrinkling of the electrochemical aluminum foil due to inappropriate resistance.

[0031] The unwinding assembly 1 includes a second slip shaft (not shown) and a second electrical proportional valve (not shown). The second slip shaft is equipped with a plurality of second slip discs (not shown). The second electrical proportional valve is connected to the air supply groove of the second slip shaft. The air pressure in the air supply groove is adjusted according to the diameter of the anodized aluminum foil roll on the second slip disc to adjust the frictional resistance between the second slip disc and the second slip shaft. When the anodized aluminum foil is being wound, the air pressure input to the second slip shaft is controlled by the second electrical proportional valve according to the diameter of the anodized aluminum foil roll, automatically controlling the frictional resistance of the unwinding anodized aluminum foil.

[0032] It can be seen that the structures of the winding assembly 4 and the unwinding assembly 1 are similar. The difference is that the winding assembly 4 controls the rotation of the first slip shaft 41 through the stepping winding motor 43, which is an active foil winding method, and the unwinding assembly 1 is a passive foil unwinding method, that is, the second slip shaft itself has no power drive, and the rotation of the first slip shaft 41 drives the second slip shaft to rotate.

[0033] Furthermore, the present invention adopts a method of arranging multiple slip plates (such as a first slip plate 42 and a second slip plate) on the slip shaft, which can realize the winding and unwinding of multiple rolls of electrochemical aluminum foil rolls, so that in equipment with multiple hot stamping processes, unwinding or winding can be performed through the same slip shaft, which can reduce related components such as the slip shaft and the stepper motor that drives the slip shaft, thereby reducing equipment costs and equipment space occupied in the field of hot stamping process equipment.

[0034] The diameter of the electrochemical aluminum foil roll is obtained by counting the number of steps of the stepping winding motor 43. An ultrasonic sensor can also be used to measure the roll diameter. This is a prior art and is not limited in the present invention.

[0035] In order to make the structure of the winding assembly 4 and the unwinding assembly 1 clearer, the steps of controlling the air pressure of the slip shaft are described in detail below:

[0036] First, the diameter of the current unwinding and reeling disks is calculated based on the current length of the anodized aluminum foil (ultrasound can also be used to perform real-time roll diameter detection of the reeling and unwinding anodized aluminum foil rolls to detect the current diameter), and then the air pressure of the air supply groove in the slip shaft is controlled based on the diameter.

[0037] Among them, the calculation method of the length of the electrochemical aluminum foil is: set the initial length value, and generate the current length value in real time according to the foil feeding length when the foil is fed.

[0038] Roll diameter calculation method: Set the maximum length value L1, the maximum roll diameter value D1, and the minimum roll diameter value D2. The maximum length value corresponds to the maximum roll diameter value, and the length zero corresponds to the minimum roll diameter value. If the current length is L3 and the current roll diameter is D3, the calculation method for the current roll diameter D3 is:

[0039]

[0040] The air pressure calculation method of the electric proportional valve is: when the maximum coil diameter D1 is set, the maximum air pressure corresponds to P1, and when the minimum coil diameter D2 is set, the minimum air pressure corresponds to P2. The calculation method for the current air pressure P3 is:

[0041]

[0042] The first and second electrical proportional valves are then used to control the air pressure of the air supply tank according to the calculated air pressure, thereby automatically controlling the frictional resistance of the retracted and unreeled anodized aluminum foil rolls. Since the method of adjusting the opening degree of the electrical proportional valve according to the air pressure is a conventional technology, it will not be described in detail here.

[0043] Please continue reading Figure 2 The anodized aluminum foil tension control device 100 also includes at least one set of feed stepping traction rollers 50 and feed pressing rollers 51. The feed stepping traction rollers 50 are arranged between one end of the swinging storage mechanism 3 and a foil feeding shaft 2. The feed pressing rollers 51 are in rolling contact with the feed stepping traction rollers 50. The feed stepping traction rollers 50 are provided with a first stepper motor (not shown in the figure). The first stepper motor drives the feed stepping traction rollers 50 to deliver the anodized aluminum foil to the flat ironing station. The feed stepping traction rollers 50 can control the tension of the anodized aluminum foil by adjusting their rotational speed and rotational force. Appropriate tension helps maintain the flatness and stability of the anodized aluminum foil and prevents deformation or breakage of the anodized aluminum foil during transportation due to excessive or insufficient tension.

[0044] Among them, the axes of the feed stepping traction roller 50 and the feed pressing roller 51 are set at the same height. The feed pressing roller 51 fixes and presses the electrochemical aluminum foil pulled by the feed stepping traction roller 50, so that the electrochemical aluminum foil is close to the surface of the feed stepping traction roller 50, which helps to drive the electrochemical aluminum foil to rotate with the feed stepping traction roller 50 and at the same time reduce the swing or deviation of the electrochemical aluminum foil during the transportation process, thereby ensuring that the electrochemical aluminum foil can be transported in a predetermined direction and speed.

[0045] Please continue reading Figure 2 and Figure 3 The electrochemical aluminum foil tension control device 100 also includes at least one set of discharge stepping traction rollers 60 and discharge pressure rollers 61. The discharge stepping traction rollers 60 are arranged between the other foil-passing shaft 2 and the other end of the swinging storage mechanism 3. The discharge pressure rollers 61 are in rolling contact with the discharge stepping traction rollers 60. The discharge stepping traction rollers 60 are provided with a second stepping motor 62. The second stepping motor 62 drives the discharge stepping traction rollers 60 to deliver the electrochemical aluminum foil to the winding station. The axes of the discharge stepping traction rollers 60 and the discharge pressure rollers 61 are arranged at the same height. In this embodiment, the structures of the discharge stepping traction rollers 60 and the discharge pressure rollers 61 are similar to those of the feed stepping traction rollers 50 and the feed pressure rollers 51, and are not described in detail here.

[0046] Specifically, the feed stepping traction rollers 50 and the discharge stepping traction rollers 60 can be arranged on the same horizontal line or staggered. The specific location can be determined according to the equipment space and is not limited here. In actual use, there can be multiple sets of the feed stepping traction rollers 50 and feed pressure rollers 51, and the discharge stepping traction rollers 60 and discharge pressure rollers 61. The number of feed stepping traction rollers 50 and feed pressure rollers 51, and discharge stepping traction rollers 60 and discharge pressure rollers 61 can be determined according to actual needs.

[0047] Please also refer to Figure 3 The anodized aluminum foil tension control device 100 also includes a first bracket 70 and a second bracket 71. One end of the first slip shaft 41 and one end of the discharge stepping traction roller 60 are mounted on the first bracket 70, and the other end of the discharge stepping traction roller 60 is mounted on the second bracket 71. The other end of the first slip shaft 41 is suspended to facilitate loading and unloading of anodized aluminum foil rolls. Compared to existing methods that require removal of the unwinding or rewinding shaft for loading and unloading, the present invention only requires loading and unloading rolls of anodized aluminum foil from one suspended end, making operation simpler and safer. The installation method of the second slip shaft and the feed stepping traction roller on the unwinding side is the same as that on the rewinding side and will not be repeated here.

[0048] See also Figure 2 、 Figure 3 and Figure 4 The swing storage mechanism 3 includes a motor drive wheel 31, a synchronous belt 32, a slide rail 33, a first swing storage roller 34, a second swing storage roller 35, a sliding plate 36 and a driven wheel 37. The synchronous belt 32 connects the motor drive wheel 31 and the driven wheel 37. The first swing storage roller 34 and the second swing storage roller 35 are both connected to the synchronous belt 32 (such as the gear at one end of the swing storage roller is engaged with the synchronous belt for transmission). The first swing storage roller 34 and the second swing storage roller 35 are also connected to the sliding plate 36, and the sliding plate 36 is slidably set on the slide rail 33.

[0049] Among them, the horizontal width of the swinging storage mechanism 3 is smaller than the width between the unwinding component 1 and the winding component 4 (that is, the distance between the first swinging storage roller 34 and the second swinging storage roller 35 is smaller than the width between the unwinding component 1 and the winding component 4), so that the swinging storage mechanism 3 can store or release the electrochemical aluminum foil when moving parallel.

[0050] When the motor drive wheel 31 drives the synchronous belt 32 to move toward the winding assembly 4, the sliding plate 36 moves synchronously and drives the first swinging storage roller 34 and the second swinging storage roller 35 to move synchronously. At this time, the length of the electrochemical aluminum foil between the first swinging storage roller 34 and the unwinding assembly 1 increases, and the length of the electrochemical aluminum foil between the second swinging storage roller 35 and the winding assembly 4 decreases, while the electrochemical aluminum foil in the hot stamping area is in a stationary state, so that during hot stamping, the unwinding assembly 1 and the winding assembly 4 are in a running state, realizing the continuity of foil feeding and foil collection.

[0051] Specifically, when the flat-press hot stamping device presses the electrochemical aluminum foil onto the substrate in the pressing area, the electrochemical aluminum foil located in the pressing area needs to be in a stationary state to ensure the pressing effect. In order to ensure the continuity of the foil feeding, during the pressing process of the flat-press hot stamping device, under the action of inertia and the traction of the feed stepping traction roller 50, the second slip shaft still rotates to release the un-pressed electrochemical aluminum foil. At this time, if the swinging storage mechanism 3 is stationary, the electrochemical aluminum foil between the swinging storage mechanism 3 and the feed stepping traction roller 50 will accumulate, and the transported electrochemical aluminum foil will become loose, and even affect the pressing effect of the electrochemical aluminum foil. Therefore, the utility model causes the swinging storage mechanism 3 to move toward the side where the winding assembly 4 is located to increase the storage length of the electrochemical aluminum foil between the swinging storage mechanism 3 and the unwinding assembly 1.

[0052] Similarly, when the electrochemical aluminum foil in the pressing area is in a stationary state, the winding assembly 4 continues to work. At this time, if the swinging storage mechanism 3 is stationary, the electrochemical aluminum foil between the winding assembly 4 and the swinging storage mechanism 3 will be broken under the pulling of the winding assembly 4. Therefore, the utility model reduces the length of the electrochemical aluminum foil between the swinging storage mechanism 3 and the winding assembly 4 when the swinging storage mechanism 3 moves close to the side where the winding assembly 4 is located, so that the winding assembly 4 can continue to work (in essence, it reduces the length of the electrochemical aluminum foil stored between the swinging storage mechanism 3 and the winding assembly 4 after pressing).

[0053] When the motor drive wheel 31 drives the synchronous belt 32 to move toward the unwinding component 1, the sliding plate 36 moves synchronously and drives the first swinging storage roller 34 and the second swinging storage roller 35 to move synchronously. At this time, the length of the electrochemical aluminum foil between the first swinging storage roller 34 and the unwinding component 1 is reduced, and the length of the electrochemical aluminum foil between the second swinging storage roller 35 and the winding component 4 is increased, and the electrochemical aluminum foil in the pressing area is in motion.

[0054] Specifically, after the flat-press hot stamping equipment completes the hot stamping of the electrochemical aluminum foil on the substrate in the hot stamping area, in order to ensure that the hot stamped electrochemical aluminum foil leaves the hot stamping area and quickly starts the next round of hot stamping cycle, the swinging storage mechanism 3 needs to move toward the side where the unwinding component 1 is located to reduce the storage length of the electrochemical aluminum foil between the swinging storage mechanism 3 and the unwinding component 1. During this process, the storage length of the electrochemical aluminum foil between the swinging storage mechanism 3 and the rewinding component 4 is increased, which is conducive to conveying the un-hot stamped electrochemical aluminum foil to the hot stamping area and conveying the hot stamped electrochemical aluminum foil out of the hot stamping area; in addition, the movement of the swinging storage mechanism 3 toward the side of the unwinding component 1 can also prepare for the next round of hot stamping area when the electrochemical aluminum foil is in a stationary state, so as to reserve space for the next round of swinging storage mechanism 3 to move toward the side of the rewinding component 4.

[0055] Furthermore, the motor drive wheel 31 includes a driving member (not shown) and a driving wheel, and the driving wheel is connected to the driving member. In the present application, the driving member is a motor or other driving source, and the motor drives the driving wheel to rotate. The driving wheel drives the synchronous belt 32 to work under the cooperation of the driven wheel 37, and then drives the sliding plate 36 on the synchronous belt 32 to move back and forth periodically. The sliding plate 36 is driven by the synchronous belt 32 transmission method. On the one hand, compared with other transmission methods, the synchronous belt 32 transmission is more accurate and has a higher transmission efficiency, and can quickly achieve the position adjustment of the sliding plate 36. On the other hand, the synchronous belt 32 transmission process is high in stability, which avoids the vibration generated by other transmission methods during the transmission process that affects the tension of the electrochemical aluminum foil. It should be noted that the present application can also drive the slider to work by a screw motor, drive the slider to work by a motor and a sprocket, etc. The specific driving member and the sliding plate 36 can be matched as long as they can achieve the linear motion of the sliding plate 36.

[0056] The slide rail 33 is used to guide the linear motion of the sliding plate 36. The direction of the slide rail 33 is parallel to the conveying direction of the anodized aluminum foil in the pressing area. The sliding plate 36 is connected to the synchronous belt 32 and the slide rail 33 at the same time. The setting of the slide rail 33 plays a guiding role in the reciprocating horizontal motion of the sliding plate 36. The slide rail 33 can assist the linear motion of the sliding plate 36 and ensure the stability of the sliding plate 36 during the motion process, preventing the anodized aluminum foil from shaking and scratching when the synchronous belt 32 drives the sliding plate 36 to move, thereby ensuring the pressing effect of the anodized aluminum foil.

[0057] Furthermore, the first swing accumulator roller 34 and the second swing accumulator roller 35 are rollers of the same diameter and are mounted on the same connecting member (i.e., the same synchronous belt) to ensure consistency in the movement of the two swing accumulator rollers. The first swing accumulator roller 34 and the second swing accumulator roller 35 can be mounted at the same height (i.e., on the same horizontal line) or staggered, as long as they are mounted on the same connecting member. There is no restriction on the position of the first swing accumulator roller 34 and the second swing accumulator roller 35.

[0058] In this embodiment, the reeling assembly 4 is actively rotated, that is, the reeling assembly 4 is driven by power to reel the anodized aluminum foil after pressing and ironing, the feed stepping traction roller 50 and the discharge stepping traction roller 60 are power rollers that rotate at a constant speed, and the unwinding assembly 1 is passively rotated, that is, the unwinding assembly 1 passively releases the unpressed anodized aluminum foil by relying on the traction of the feed stepping traction roller 50, the traction of the discharge stepping traction roller 60 and the power of the reeling assembly 4. Compared with the existing technology, the advantage of the above arrangement is that the reeling assembly 4 actively rotates and the unwinding assembly 1 passively rotates, so that the reeling process can maintain active control, ensuring the tightness and uniformity of the reeling, and the passive rotation of the unwinding assembly 1 can be flexibly adjusted according to the reeling situation, reducing tension fluctuations caused by speed mismatch; the combination of two uniformly set traction rollers with active reeling and passive unwinding can better achieve stable control of tension control and matching of transmission speed.

[0059] Preferably, the first swinging storage roller 34 and the second swinging storage roller 35 are both provided with a plurality of ventilation micropores. Specifically, the roller bodies of the first swinging storage roller 34 and the second swinging storage roller 35 are both die-casted from powder metallurgy materials, so that their surfaces have many ventilation micropores that are invisible to the naked eye. By connecting the air supply device, the ventilation micropores can be blown, so that the friction between the anodized aluminum foil and the roller body is greatly reduced, thereby avoiding scratching the anodized aluminum foil.

[0060] Furthermore, a first guide roller 80 is provided between the unwinding assembly 1 and the first swinging storage roller 34, and a second guide roller 81 is provided between the second swinging storage roller 35 and the winding assembly 4. The first guide roller 80 changes the conveying direction of the unpressed anodized aluminum foil so that the anodized aluminum foil is conveyed horizontally to the first swinging storage roller 34; the second guide roller 81 changes the conveying direction of the pressed anodized aluminum foil so that the anodized aluminum foil is conveyed horizontally through the second swinging storage roller 35. Specifically, the feed stepping traction roller 50 is arranged parallel to the first guide roller 80, and the discharge stepping traction roller 60 is arranged parallel to the second guide roller 81, so that the feed end and the discharge end of the first swinging storage roller 34 and the second swinging storage roller 35 are both conveyed in parallel, which can better control the tension of the anodized aluminum foil during the conveying process.

[0061] Based on the above-mentioned anodized aluminum foil tension control device 100, the present invention also provides a flat-press hot stamping device, comprising a stamping platform 201, a fixed platform 202, and the anodized aluminum foil tension control device 100. The foil feed shaft 2 of the anodized aluminum foil tension control device 100 is disposed on both sides of the gap between the fixed platform 202 and the stamping platform 201. Since the anodized aluminum foil tension control device 100 has been described in detail above, it will not be repeated here.

[0062] To sum up, the flat-press hot stamping equipment and electroplated aluminum foil tension control device provided by the present invention can, during hot stamping, when the swinging storage mechanism moves toward the winding side, store the electroplated aluminum foil that has been unwound and release the electroplated aluminum foil for winding, so that the electroplated aluminum foil in the hot stamping position section is stationary for hot stamping; after hot stamping, when the swinging storage mechanism moves toward the unwinding side, it can release the electroplated aluminum foil that has been unwound and store the electroplated aluminum foil for winding, so that the electroplated aluminum foil at the unwinding and winding positions is in a uniform speed operation, thereby making the running tension of the electroplated aluminum foil stable, and the machine does not stop operating during hot stamping.

[0063] Furthermore, the winding assembly includes a first slip shaft, a stepper winding motor, and a first electrical proportional valve. The first slip shaft is equipped with a plurality of first slip discs. The stepper winding motor is coupled to one end of the first slip shaft, driving the first slip shaft and the first slip discs to rotate and wind the anodized aluminum foil. The first electrical proportional valve is connected to the air supply trough of the first slip shaft. The air pressure in the air supply trough is adjusted according to the diameter of the anodized aluminum foil on the first slip disc to adjust the frictional resistance between the first slip disc and the first slip shaft. During the winding of the anodized aluminum foil, the air pressure input to the first slip shaft is automatically controlled by the first electrical proportional valve according to the diameter of the anodized aluminum foil roll. This significantly reduces the operator's operational difficulty and workload, while also reducing waste caused by wrinkling of the anodized aluminum foil due to inappropriate resistance.

[0064] The design of the electrochemical aluminum foil tension control device of the utility model helps to improve the hot stamping quality and reduce material waste by accurately controlling the tension of the electrochemical aluminum foil, while simplifying the operation process and improving production efficiency.

[0065] It is understandable that those skilled in the art can make equivalent substitutions or changes based on the technical solution and utility model concept of the present invention, and all these changes or substitutions should fall within the scope of protection of the claims attached to the present invention.

Claims

1. An electrochemical aluminum foil tension control device, characterized in that: It includes an unwinding assembly, at least two foil-passing shafts, a swinging storage mechanism for temporarily storing the anodized aluminum foil on the unwinding side and releasing the anodized aluminum foil on the rewinding side during hot stamping, and a rewinding assembly, wherein the two foil-passing shafts are respectively arranged on both sides of the hot stamping station to allow the anodized aluminum foil to pass through the hot stamping station, one end of the swinging storage mechanism is located between the unwinding assembly and one foil-passing shaft, and the other end of the swinging storage mechanism is located between the other foil-passing shaft and the rewinding assembly; The winding assembly includes a first slip shaft, a stepping winding motor and a first electrical proportional valve. The first slip shaft is provided with a plurality of first slip disks. The stepping winding motor is connected to one end of the first slip shaft to drive the first slip shaft and the first slip disk to rotate and wind the electrochemical aluminum foil. The first electrical proportional valve is connected to the air supply groove of the first slip shaft. The air pressure in the air supply groove is adjusted according to the roll diameter of the electrochemical aluminum foil on the first slip disk to adjust the friction resistance between the first slip disk and the first slip shaft.

2. The electrochemical aluminum foil tension control device according to claim 1, characterized in that: The unwinding assembly includes a second slip shaft and a second electrical proportional valve. The second slip shaft is provided with several second slip discs. The second electrical proportional valve is connected to the air supply groove of the second slip shaft. The air pressure in the air supply groove is adjusted according to the roll diameter of the electrochemical aluminum foil on the second slip disc to adjust the friction resistance between the second slip disc and the second slip shaft.

3. The electrochemical aluminum foil tension control device according to claim 2, characterized in that: It also includes at least one group of feed stepping traction rollers and feed pressing rollers, the feed stepping traction rollers are arranged between one end of the swinging storage mechanism and a foil passing shaft, the feed pressing rollers are in rolling contact with the feed stepping traction rollers, and the feed stepping traction rollers are provided with a first stepping motor, and the first stepping motor drives the feed stepping traction rollers to deliver the electrochemical aluminum foil to the flat ironing station.

4. The electrochemical aluminum foil tension control device according to claim 3, characterized in that: It also includes at least one group of discharging stepping traction rollers and discharging pressure rollers, the discharging stepping traction rollers are arranged between another foil passing shaft and the other end of the swinging storage mechanism, the discharging pressure rollers are in rolling contact with the discharging stepping traction rollers, and the discharging stepping traction rollers are provided with a second stepping motor, and the second stepping motor drives the discharging stepping traction rollers to deliver the electrochemical aluminum foil to the winding station.

5. The electrochemical aluminum foil tension control device according to claim 4, characterized in that: It also includes a first bracket and a second bracket, one end of the first slip shaft and one end of the discharging stepping traction roller are arranged on the first bracket, and the other end of the discharging stepping traction roller is arranged on the second bracket.

6. The electrochemical aluminum foil tension control device according to claim 1, characterized in that: The swinging material storage mechanism includes a motor driving wheel, a synchronous belt, a slide rail, a first swinging material storage roller, a second swinging material storage roller, a sliding plate and a driven wheel. The synchronous belt connects the motor driving wheel and the driven wheel. The first swinging material storage roller and the second swinging material storage roller are both connected to the synchronous belt. The first swinging material storage roller and the second swinging material storage roller are also connected to the sliding plate. The sliding plate is slidably set on the slide rail.

7. The electrochemical aluminum foil tension control device according to claim 6, characterized in that: The first swinging material storage roller and the second swinging material storage roller are both provided with a plurality of ventilation micropores.

8. The electrochemical aluminum foil tension control device according to claim 7, characterized in that: A first guide roller is provided between the unwinding assembly and the first swinging storage roller, and a second guide roller is provided between the second swinging storage roller and the winding assembly.

9. The electrochemical aluminum foil tension control device according to claim 1, characterized in that: The two foil-passing shafts are arranged at the same horizontal height, or the two foil-passing shafts are staggered.

10. A flat stamping equipment, comprising a stamping platform and a fixed platform, characterized in that: It also includes the electrochemical aluminum foil tension control device according to any one of claims 1 to 9, wherein the foil passing shaft of the electrochemical aluminum foil tension control device is arranged on both sides of the gap between the fixed platform and the stamping platform.

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