A laminating machine with automatic tension adjustment

Abstract

The present invention discloses a laminating machine capable of automatically adjusting tension, comprising a frame, a first unwinding roller, a second unwinding roller, a pressing roller, a supporting roller and a receiving roller, a measuring unit, a tension controller, a magnetic powder brake and a magnetic powder clutch; the measuring unit is used to measure the winding diameters of the first unwinding roller, the second unwinding roller and the receiving roller; the magnetic powder brake is used to adjust the tension of the first unwinding roller and the second unwinding roller; the magnetic powder clutch is used to adjust the tension of the receiving roller; the tension controller is respectively connected to the measuring unit, the magnetic powder brake and the magnetic powder clutch, and is used to send control instructions to the magnetic powder brake and the magnetic powder clutch. The present invention can automatically adjust the tension of each unwinding roller and the receiving roller through the setting of the tension controller and the corresponding components, so that the tension is always consistent with the set tension, without the need for the staff to adjust the tension in real time.

Description

Technical Field

[0001] The invention belongs to the technical field of laminating machines, and in particular relates to a laminating machine capable of automatically adjusting tension. Background Art

[0002] In the pre-operation of die-cutting, a variety of composite materials are often used, such as protective films and foams made of PET and PE. Most of these materials are elastic and of varying thicknesses. The materials are rolled on the feeding rollers. During the laminating process, the diameters of the various rollers in the laminating machine are different, resulting in uneven tension of the materials, which in turn causes the product to shrink or curl, affecting product quality. In addition, when laminating two materials with different elasticity, the laminating roller directly presses the two layers of material together, causing the surface tension of the two layers of the product to be loose and tight, causing the material to shrink or curl.

[0003] Therefore, in view of the above technical problems, it is necessary to provide a laminating machine that can automatically adjust the tension. Summary of the invention

[0004] The object of the present invention is to provide a laminating machine which has simple operation, precise control and high automation and can automatically adjust the tension, so as to solve the problems in the prior art.

[0005] In order to achieve the above object, the technical solution provided by the present invention is as follows:

[0006] A laminating machine with automatic tension adjustment includes a frame, a first unwinding roller, a second unwinding roller, a pressing roller, a supporting roller and a receiving roller. The laminating machine with automatic tension adjustment also includes: a measuring unit, a tension controller, a magnetic powder brake and a magnetic powder clutch;

[0007] The measuring unit is used to measure the winding diameters of the first unwinding roller, the second unwinding roller and the receiving roller, and form measurement information;

[0008] The magnetic powder brake is installed on the first unwinding roller and the second unwinding roller, and is used to adjust the tension of the first unwinding roller and the second unwinding roller;

[0009] The magnetic powder clutch is installed on the receiving roller and connected to the driving motor of the receiving roller. The magnetic powder clutch is used to adjust the tension of the receiving roller.

[0010] The tension controller is connected to the measuring unit, the magnetic powder brake and the magnetic powder clutch respectively, and is used to send control instructions to the magnetic powder brake and the magnetic powder clutch according to the measurement information of the measuring unit.

[0011] Furthermore, the measuring unit comprises a meter counter, and the meter counter is used to measure the winding length of the product on the receiving roller.

[0012] Furthermore, the laminating machine with automatic tension adjustment further comprises a tension setting unit, and the tension setting unit is used to set the tension of the first unwinding roller, the second unwinding roller and the receiving roller.

[0013] Furthermore, the tension setting unit is connected to the tension controller and is used to form a control instruction according to the measurement information of the measuring unit and the tension set by the tension setting unit.

[0014] Furthermore, the frame includes a first mounting plate and a second mounting plate, and the first mounting plate and the second mounting plate are arranged relatively parallel.

[0015] Furthermore, a first fixing rod, a second fixing rod and a third fixing rod are provided between the first mounting plate and the second mounting plate.

[0016] Further, the first fixing rod and the second fixing rod are arranged adjacent to the bottom of the first mounting plate and the second mounting plate, and the third fixing rod is arranged adjacent to the top of the first mounting plate and the second mounting plate.

[0017] Further, a projection of the third fixing rod in the vertical direction is configured to fall between the first fixing rod and the second fixing rod.

[0018] Beneficial effects of the present invention:

[0019] Compared with the prior art, the present invention can automatically adjust the tension of each unwinding roller and receiving roller through the setting of the tension controller and the corresponding components, so that it is always consistent with the set tension, without the need for staff to adjust the tension in real time. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0021] Figure 1 It is a structural schematic diagram of an implementation method of the present application;

[0022] Figure 2 yes Figure 1 Another structural schematic diagram of the embodiment shown;

[0023] Figure 3 yes Figure 1 A cross-sectional view of the embodiment shown in a use state;

[0024] Figure 4 yes Figure 1A cross-sectional view of the embodiment shown in another usage state.

[0025] Explanation of reference numerals: 11, first mounting plate; 12, second mounting plate; 13, first fixing rod; 14, second fixing rod; 15, third fixing rod; 20, pressing roller; 21, pressure regulating device; 30, supporting roller; 41, first unloading roller; 42, first locking member; 43, second unloading roller; 51, first guide roller; 52, second guide roller; 53, third guide roller; 54, fourth guide roller; 55, fifth guide roller; 56, sixth guide roller; 61, first receiving roller; 62, second receiving roller; 63, third receiving roller; 64, fourth receiving roller; 71, tool slide rail; 72, tool; 73, slitting roller; 81, first waste recovery roller; 82, second waste recovery roller; 91, first material; 92, second material; 111, first mounting groove; 121, second mounting groove; 911, first film layer; 912, first substrate layer; 921, second film layer; 922, second substrate layer. DETAILED DESCRIPTION

[0026] The present invention will be described in detail below in conjunction with the various embodiments shown in the accompanying drawings. However, these embodiments do not limit the present invention, and any structural, methodological, or functional changes made by a person skilled in the art based on these embodiments are all within the scope of protection of the present invention.

[0027] It should be noted that when an element is referred to as being "fixed to" another element, it may be directly on the other element or there may also be a centered element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be a centered element at the same time. In the illustrated embodiment, the direction representations, i.e., up, down, left, right, front, and back, etc., are relative, and are used to explain that the structure and movement of different components in this application are relative. These representations are appropriate when the components are in the positions shown in the figures. However, if the description of the component positions changes, it is believed that these representations will also change accordingly.

[0028] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art of the present invention. The terms used herein in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention. The term "and / or" used herein includes any and all combinations of one or more related listed items.

[0029] Please refer to Figure 1-4As shown, a multifunctional peeling and laminating machine in one embodiment of the present application includes a frame, a first feeding roller 41, a second feeding roller 43, a pressing roller 20, a supporting roller 30, a first receiving roller 61, a second receiving roller 62, a third receiving roller 63, a fourth receiving roller 64, a slitting device, a measuring unit, a tension controller, a magnetic powder brake, a magnetic powder clutch and an input unit.

[0030] The frame includes a first mounting plate 11, a second mounting plate 12, a first fixing rod 13, a second fixing rod 14 and a third fixing rod 15. The first mounting plate 11 and the second mounting plate 12 are arranged in parallel with each other and are fixed by the first fixing rod 13, the second fixing rod 14 and the third fixing rod 15 arranged between the first mounting plate 11 and the second mounting plate 12, so that an installation area for accommodating other components is defined between the first mounting plate 11 and the second mounting plate 12. The first mounting plate 11 and the second mounting plate 12 are also provided with installation grooves for cooperating with the installation of other components.

[0031] The first fixing rod 13 and the second fixing rod 14 are disposed adjacent to the bottom of the first mounting plate 11 and the second mounting plate 12, and the third fixing rod 15 is disposed adjacent to the top of the first mounting plate 11 and the second mounting plate 12. The projection of the third fixing rod 15 in the vertical direction is configured to fall between the first fixing rod 13 and the second fixing rod 14.

[0032] The laminating roller 20 is installed between the first mounting plate 11 and the second mounting plate 12 through the mounting grooves provided on the first mounting plate 11 and the second mounting plate 12, and the projection of the laminating roller 20 in the vertical direction is configured to fall between the first fixing rod 13 and the second fixing rod 14. Both ends of the laminating roller 20 are respectively connected to the pressure regulating device 21, and the pressure regulating device 21 can be used to adjust the pressure between the laminating roller 20 and the supporting roller 30. The outer side of the laminating roller 20 is coated with an elastic layer made of elastic material, so that the laminating roller 20 and the supporting roller 30 can be fully fitted during laminating. Preferably, the elastic material coated on the outer side of the laminating roller 20 is a rubber material.

[0033] The support roller 30 is installed between the first mounting plate 11 and the second mounting plate 12 through the mounting grooves provided on the first mounting plate 11 and the second mounting plate 12, so that the support roller 30 is arranged adjacent to the laminating roller 20 and is located directly below the laminating roller 20 (the central axis of the laminating roller 20 and the support roller 30 are on the same vertical plane). The support roller 30 is connected to a driving device, which is used to drive the support roller 30 so that the support roller 30 can rotate with its central axis as the rotation axis. The support roller 30 is a heating roller with a heating function, and the heating method can be electromagnetic induction heating, thermal oil heating, etc. The outer layer of the support roller 30 is made of a rigid material so that the laminating roller 20 and the support roller 30 can form a smooth fitting surface when laminating. Preferably, the outer layer of the support roller 30 is made of stainless steel.

[0034] The first unloading roller 41 is an air expansion roller and is used to install the first material 91. The first unloading roller 41 is installed between the first mounting plate 11 and the second mounting plate 12 and is located at the feeding side of the support roller 30.

[0035] The first mounting plate 11 and the second mounting plate 12 are respectively provided with a first mounting groove 111 and a second mounting groove 121 matched with the first material discharging roller 41, and a first locking member 42 for locking the first material discharging roller 41 in the first mounting groove 111 and the second mounting groove 121. The first mounting groove 111 and the second mounting groove 121 are configured to be open, so that the first material discharging roller 41 can be taken out of the first mounting groove 111 and the second mounting groove 121 when the first locking member 42 is in an unlocked state.

[0036] A first guide roller 51 is further provided between the first unloading roller 41 and the support roller 30, and is disposed adjacent to the support roller 30. The first guide roller 51 is used to guide the first material 91 mounted on the first unloading roller 41 to the support roller 30, so that the first material 91 can smoothly transition to the support roller 30, and the wrap angle of the first material 91 on the support roller is 90-180°.

[0037] The second unloading roller 43 is an air expansion roller and is used to install the second material 92. The second unloading roller 43 is installed between the first mounting plate 11 and the second mounting plate 12 and is located on the discharge side of the support roller 30 so that the wrap angle of the second material 92 on the laminating roller is 90-180°.

[0038] The first mounting plate 11 and the second mounting plate 12 are also provided with mounting grooves and locking members that match the second unloading roller 43, and second locking members for locking the second unloading roller 43 in the third mounting groove and the fourth mounting groove. The third mounting groove and the fourth mounting groove are configured to be open, so that when the second locking member is in an unlocked state, the second unloading roller 43 can be taken out of the third mounting groove and the fourth mounting groove.

[0039] A second guide roller 52 is further provided between the first mounting plate 11 and the second mounting plate 12 . The second guide roller 52 is used to guide the second film layer 922 peeled off from the second material 92 mounted on the second unwinding roller 43 to the third receiving roller 93 .

[0040] The first receiving roller 61, the second receiving roller 62, the third receiving roller 63 and the fourth receiving roller 64 are all installed between the first mounting plate 11 and the second mounting plate 12. The first receiving roller 61 and the fourth receiving roller 64 are located on the discharge side of the support roller 30, the second receiving roller 62 and the third receiving roller 63 are located on the feed side of the support roller 30, and the first receiving roller 61 is arranged above the four receiving rollers 64, and the third receiving roller 63 is arranged above the second receiving roller 62.

[0041] The first receiving roller 61, the second receiving roller 62, the third receiving roller 63 and the fourth receiving roller 64 are all expansion rollers. The first receiving roller 61 and the fourth receiving roller 64 are used for winding up the product, the second receiving roller 62 is used for winding up the first film layer 911 peeled off from the first material 91, and the third receiving roller 93 is used for winding up the film layer 921 peeled off from the second material 92.

[0042] The first mounting plate 11 and the second mounting plate 12 are also provided with open mounting grooves and locking pieces that match the first receiving roller 61, the second receiving roller 62, the third receiving roller 63 and the fourth receiving roller 64. The first receiving roller 61, the second receiving roller 62, the third receiving roller 63 and the fourth receiving roller 64 are all connected to a driving device, which is used to drive the first receiving roller 61, the second receiving roller 62, the third receiving roller 63 and the fourth receiving roller 64 so that the first receiving roller 61, the second receiving roller 62, the third receiving roller 63 and the fourth receiving roller 64 can rotate with their central axes as the rotation axes.

[0043] The third guide roller 53, the fourth guide roller 54 and the fifth guide roller 55 are sequentially arranged on the discharge side of the support roller 30, and the third guide roller 53 can be used to guide the finished laminated product to the fourth guide roller 54 and / or the fifth guide roller 55. The fourth guide roller 54 is used to guide the finished laminated product to the first receiving roller 61, so that the finished laminated product can be smoothly transferred to the first receiving roller 61. The fifth guide roller 55 is used to guide the finished laminated product to the third receiving roller 63, so that the finished laminated product can be smoothly transferred to the third receiving roller 63. Among them, the third guide roller 53 is arranged adjacent to the support roller 30, and the angle between the upper outer common tangent plane of the support roller 30 and the third guide roller 53 and the horizontal plane is 0-30°.

[0044] A sixth guide roller 56 is also provided between the support roller 30 and the second receiving roller 62. The sixth guide roller 56 is disposed adjacent to the support roller 30. The sixth guide roller 56 is used to guide the first film layer 911 peeled off from the first material 91 to the second receiving roller 62, or to guide the first substrate layer 912 of the first material 91 to the support roller 30. When the sixth guide roller 56 is used to conduct the first film layer 911, the first material 91 can be coated on the support roller 30 before peeling; when the sixth guide roller 56 is used to conduct the first substrate layer 912, the first material 91 cannot be coated on the support roller 30 before peeling, so as to achieve hot and cold peeling in one. Preferably, the tops of the support roller 30, the third guide roller 53 and the sixth guide roller 56 are configured to be on the same horizontal plane, so that the bonded product is more flat.

[0045] The slitting device is used to slit the bonded product, and includes a cutter 72, a cutter slide 71 and a slitting roller 73. The slitting roller 73 is arranged between the third guide roller 53 and the fourth guide roller 54, and a cutter 72 and a cutter slide 71 are arranged above the slitting roller 73 to cooperate with the cutter for slitting. The cutter 72 is installed on the cutter slide 71, and the cutting position can be adjusted on the cutter slide 71. Preferably, the cutter 72 is an air knife.

[0046] The first receiving roller 61 and the fourth receiving roller 64 arranged above and below the discharging side can be reeled up at the same time after the product is slitting. The first waste recovery roller 81 and the second waste recovery roller 82 are also arranged below the fifth guide roller 55. The first waste recovery roller 81 and the second waste recovery roller 82 are used to reel up the trimming waste generated after the product is slitting. One end of the first waste recovery roller 81 is mounted on the first mounting plate 11, and one end of the second waste recovery roller 82 is mounted on the second mounting plate 11; the other ends of the first waste recovery roller 81 and the second waste recovery roller 82 are constructed to be open (suspended) to facilitate the installation and removal of the waste roll.

[0047] Magnetic powder brakes are installed on the rotating shafts of the first unwinding roller 41 and the second unwinding roller 43 . The magnetic powder brakes are connected to the tension controller and are used to adjust the tension of the first unwinding roller 41 and the second unwinding roller 43 .

[0048] A magnetic powder clutch is installed on the rotating shafts of the first receiving roller 61, the second receiving roller 62, the third receiving roller 63 and the fourth receiving roller 64. The magnetic powder clutch is also connected to the drive motor of each receiving roller (61, 62, 63, 64) and the tension controller, and is used to adjust the tension of each receiving roller (61, 62, 63, 64).

[0049] The measuring unit is used to measure the roll diameters of the first material 91 and the second material 92 on the first unwinding roller 41 and the second unwinding roller 43; and the roll diameters of the products rolled on each receiving roller (61, 62, 63, 64). The measuring unit is connected to the tension controller for communication. The measuring unit includes a meter, which is used to measure the rolled length of the product on each receiving roller (61, 62, 63, 64).

[0050] The measuring unit can measure the winding diameter of each unwinding roller and each winding roller by means of contact or non-contact sensors corresponding to the first unwinding roller 41, the second unwinding roller 43 and each winding roller (61, 62, 63, 64); or the corresponding winding diameter can be calculated according to the formula based on the parameters such as the unwinding or winding length of the material arranged on each unwinding roller and the winding roller, the thickness of the material and the outer diameter of the winding core.

[0051] The tension setting unit is connected to the tension controller for communication and is used to set the tension of the first unwinding roller 41 , the second unwinding roller 43 and each receiving roller ( 61 , 62 , 63 , 64 ).

[0052] The tension controller includes a processing unit to process the received signal and form a control instruction. The processing unit of the tension controller can calculate the torque of the corresponding unwinding roller or the receiving roller according to the formula (tension = torque / rewinding radius) based on the winding diameter measured by the measuring unit and the tension value set by the tension setting unit; then the tension controller forms a control instruction based on the calculated torque to control the magnetic powder brake and the magnetic powder clutch installed on each unwinding roller (41, 43) and the receiving roller (61, 62, 63, 64) to adjust the torque of each unwinding roller and the receiving roller, so that the tension of each unwinding roller and the receiving roller is consistent with the tension set by the setting unit.

[0053] It will be apparent to those skilled in the art that the invention is not limited to the details of the exemplary embodiments described above and that the invention can be implemented in other specific forms without departing from the spirit or essential features of the invention. Therefore, the embodiments should be considered exemplary and non-limiting in all respects, and the scope of the invention is defined by the appended claims rather than the foregoing description, and it is intended that all variations falling within the meaning and scope of the equivalent elements of the claims be included in the invention. Any reference numeral in a claim should not be considered as limiting the claim to which it relates.

[0054] In addition, it should be understood that although the present specification is described according to embodiments, not every embodiment contains only one independent technical solution. This narrative method of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation methods that those skilled in the art can understand.

Claims

1. A laminating machine with automatic tension adjustment, comprising a frame, a first unwinding roller, a second unwinding roller, a pressing roller, a supporting roller and a receiving roller, characterized in that: It also includes: a measuring unit, a tension controller, a magnetic powder brake and a magnetic powder clutch; The measuring unit is used to measure the winding diameters of the first unwinding roller, the second unwinding roller and the receiving roller, and form measurement information; The magnetic powder brake is installed on the first unwinding roller and the second unwinding roller, and is used to adjust the tension of the first unwinding roller and the second unwinding roller; The magnetic powder clutch is installed on the receiving roller and connected to the driving motor of the receiving roller. The magnetic powder clutch is used to adjust the tension of the receiving roller. The tension controller is connected to the measuring unit, the magnetic powder brake and the magnetic powder clutch respectively, and is used to send control instructions to the magnetic powder brake and the magnetic powder clutch according to the measurement information of the measuring unit; The supporting roller is a heating roller with a heating function. A sixth guide roller is also provided between the supporting roller and the second receiving roller. The sixth guide roller is arranged adjacent to the supporting roller. The sixth guide roller is used to guide the first film layer peeled off from the first material to the second receiving roller, or to guide the first substrate layer of the first material to the supporting roller; when the sixth guide roller is used to conduct the first film layer, the first material can be coated on the supporting roller before peeling; when the sixth guide roller is used to conduct the first substrate layer, the first material will not be able to be coated on the supporting roller before peeling, so as to realize integrated hot and cold peeling.

2. The laminating machine with automatic tension adjustment according to claim 1, characterized in that: The measuring unit comprises a meter counter, and the meter counter is used to measure the winding length of the product on the receiving roller.

3. The laminating machine with automatic tension adjustment according to claim 1, characterized in that: The laminating machine with automatic tension adjustment further comprises a tension setting unit, and the tension setting unit is used to set the tension of the first unwinding roller, the second unwinding roller and the receiving roller.

4. The laminating machine with automatic tension adjustment according to claim 3, characterized in that: The tension setting unit is connected to the tension controller and is used to form a control instruction according to the measurement information of the measurement unit and the tension set by the tension setting unit.

5. The laminating machine with automatic tension adjustment according to claim 1, characterized in that: The frame includes a first mounting plate and a second mounting plate, and the first mounting plate and the second mounting plate are arranged relatively parallel.

6. The laminating machine with automatic tension adjustment according to claim 5, characterized in that: A first fixing rod, a second fixing rod and a third fixing rod are arranged between the first mounting plate and the second mounting plate.

7. The laminating machine with automatic tension adjustment according to claim 6, characterized in that: The first fixing rod and the second fixing rod are disposed adjacent to the bottom of the first mounting plate and the second mounting plate, and the third fixing rod is disposed adjacent to the top of the first mounting plate and the second mounting plate.

8. The laminating machine with automatic tension adjustment according to claim 7, characterized in that: A projection of the third fixing rod in the vertical direction is configured to fall between the first fixing rod and the second fixing rod.

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