Casting machine

Abstract

The invention relates to the technical field of casting equipment, and provides a casting machine which comprises a machine frame, a discharging device, a coating device, a front film guiding device and a drying device, the discharging device, the coating device, the front film guiding device and the drying device are installed on the machine frame and supported by the machine frame, the front film guiding device comprises a first traction device and a first floating device, and the first traction device comprises a first traction roller; an adsorption hole used for adsorbing a film belt is formed in the surface of the first traction roller, and the first floating device comprises a first follow-up shaft, a first follow-up frame, a first floating roller used for tensioning the film belt, a first follow-up connecting rod, a first tensioning air cylinder and a first displacement sensor used for detecting the stretching amount of the first tensioning air cylinder; and the controller is electrically connected with the first displacement sensor and the first traction roller driving assembly, and the controller is used for controlling the first traction roller driving assembly to act according to the telescopic amount, detected by the first displacement sensor, of the air cylinder shaft so as to adjust the rotating speed of the first traction roller. Compared with the prior art, the coating uniformity and the coating quality are ensured.

Description

Technical Field

[0001] The invention relates to the technical field of casting equipment, in particular to a casting machine. Background Art

[0002] Casting machine refers to special equipment used to make cast film. It adopts high-precision electronic ceramic casting machine and uses alumina as the main raw material for ceramic casting. First, the crushed powder is mixed with binder, plasticizer, dispersant and solvent to make slurry with a certain viscosity, and then the slurry is cast or coated on a special base belt. After drying and demolding, it is cut into film sheets of corresponding specifications according to the full width. Among them, when the casting machine makes the film sheet, the coated film tape is sent into the oven, and the hot air is directed to the film tape that needs to be dried to dry and solidify the slurry on the film tape. At present, the current casting machine uses an unwinding device to send the film tape of the film roll into the coating device to coat the film tape. During the unwinding process of the film roll, it is easy to produce uneven unwinding tension due to the unwinding process, resulting in uneven coating thickness, affecting the coating quality. Summary of the invention

[0003] The object of the present invention is to provide a casting machine to solve the technical problem in the prior art that uneven unwinding tension is generated during the unwinding process, resulting in uneven coating thickness and affecting the coating quality.

[0004] To achieve the above-mentioned purpose, the technical solution adopted by the present invention is as follows: a casting machine is provided, comprising a frame with a first assembly vertical plate and the following devices supported on the frame: a discharge device for providing a film roll to be coated; a coating device for coating the slurry on the film strip of the film roll to be coated; a drying device for drying the film strip coated with the slurry; a front film guiding device, comprising a first traction device and a first floating device, the first traction device comprising a first traction roller rotatably arranged on the first assembly vertical plate and a first traction roller driving assembly capable of driving the first traction roller to rotate, the first traction roller is located between the discharge device and the coating device, the surface of the first traction roller is formed with adsorption holes for adsorbing the film strip, the first floating device comprises a first A follower shaft, a first follower frame fixedly connected to the first follower shaft, a first floating roller for tensioning a film tape, a first follower connecting rod fixedly connected to the first follower shaft, a first tensioning cylinder and a first displacement sensor for detecting the expansion and contraction amount of a cylinder shaft of the first tensioning cylinder, the first floating roller and the first follower shaft are parallel to each other, the first floating roller is rotatably mounted on the first follower frame and is located between the first traction roller and the unloading device, one end of the first tensioning cylinder is pivotally connected to the first follower connecting rod, and the other end is pivotally connected to the first assembly vertical plate; and a controller, which is electrically connected to the first displacement sensor and the first traction roller drive assembly, respectively, and the controller is used to control the action of the first traction roller drive assembly according to the expansion and contraction amount of the cylinder shaft detected by the first displacement sensor, so as to adjust the rotation speed of the first traction roller.

[0005] In some embodiments, the front film guiding device includes a first guide roller, a second guide roller, a third guide roller, a fourth guide roller and a fifth guide roller, which are respectively rotatably supported on the first assembly vertical plate and used to guide the movement of the film tape, wherein the first guide roller is located between the unloading device and the first floating roller, the second guide roller is located between the first floating roller and the first traction roller, the third guide roller is located between the first traction roller and the coating device, and the fourth guide roller and the fifth guide roller are sequentially arranged between the coating device and the drying device along the moving direction of the film tape.

[0006] In some embodiments, the casting machine also includes a slitting device for slitting the dried film strip into two film strips of preset width and a receiving unit, and the receiving unit includes a first receiving device and a second receiving device for winding the slit film strip.

[0007] The camming device is a device for activating a rotation of the second floating roller and a control device for activating the rotation of the second floating roller. The camming device is a device for activating the rotation of the second floating roller and a control device for activating the rotation of the second floating roller. The camming device is a device for activating the rotation of the second floating roller and a control device for activating the rotation of the second floating roller. The follower connecting rod is pivotally connected, and the other end is pivotally connected to the second assembly vertical plate; the third floating device includes a third follower shaft rotatably arranged on the second assembly vertical plate, a third follower frame fixedly connected to the third follower shaft, a third floating roller for tensioning the film belt, a third follower connecting rod fixedly connected to the third follower shaft, a third tensioning cylinder and a third displacement sensor for detecting the cylinder shaft expansion and contraction amount of the third tensioning cylinder, the third floating roller and the third follower shaft are parallel to each other, the third floating roller is rotatably mounted on the third follower frame and is located between the second traction roller and the second material receiving device, one end of the third tensioning cylinder is pivotally connected to the third follower connecting rod, and the other end is pivotally connected to the second assembly vertical plate; the second traction roller driving assembly, the second displacement sensor, and the third displacement sensor are electrically connected to the controller respectively, and the controller can control the action of the second traction roller driving assembly according to the cylinder shaft expansion and contraction amount detected by the second displacement sensor and / or according to the cylinder shaft expansion and contraction amount detected by the third displacement sensor to adjust the rotation speed of the second floating roller.

[0008] In some embodiments, the rear film guiding device includes a sixth guide roller, a seventh guide roller, an eighth guide roller, a ninth guide roller, a tenth guide roller, an eleventh guide roller, a twelfth guide roller, a thirteenth guide roller, a fourteenth guide roller, a fifteenth guide roller, a sixteenth guide roller and a seventeenth guide roller, which are respectively rotatably supported on the second assembly vertical plate and used to guide the movement of the film tape, wherein the sixth guide roller is located between the drying device and the second traction roller, the seventh guide roller is located between the second traction roller and the slitting device, the eighth guide roller, the ninth guide roller and the tenth guide roller are sequentially arranged between the slitting device and the second floating roller along the moving direction of the film tape, the eleventh guide roller and the twelfth guide roller are sequentially arranged between the second floating roller and the first material receiving device along the moving direction of the film tape, the eighth guide roller, the ninth guide roller, the thirteenth guide roller and the fourteenth guide roller are sequentially arranged between the slitting device and the third floating roller along the moving direction of the film tape, and the fifteenth guide roller, the sixteenth guide roller and the seventeenth guide roller are sequentially arranged between the third floating roller and the second material receiving device along the moving direction of the film tape.

[0009] In some embodiments, the casting machine further includes a deviation correcting device and a thickness measuring device disposed between the drying device and the slitting device, and the deviation correcting device and the thickness measuring device are disposed sequentially along the moving direction of the film strip.

[0010] In some embodiments, the first follower frame includes two first follower mounting arms parallel to each other, the first follower mounting arms include a floating end for connecting to the first floating roller, a counterweight end opposite to the floating end and for mounting a counterweight block, and a mounting portion located between the floating end and the counterweight end, and the mounting portion is fixedly connected to the first follower shaft.

[0011] In some embodiments, the first follower link includes a pivot end for connecting to the first tensioning cylinder and a limit end opposite to the pivot end, the middle portion of the first follower link is fixedly connected to the first follower shaft, and a limit boss for limiting the movement of the limit end is provided on the first assembly vertical plate.

[0012] In some embodiments, a front fan is provided on one side of the first assembly vertical plate, the front fan is connected to the first traction roller and can enable the adsorption holes of the first traction roller to form an adsorption force; a rear fan is provided on one side of the second assembly vertical plate, the rear fan is connected to the second traction roller and can enable the adsorption holes of the second traction roller to form an adsorption force.

[0013] In some embodiments, a membrane tape dust removal mechanism is provided on the second assembly vertical plate, and the membrane tape dust removal mechanism includes a first dust suction component, which is provided on the side of the first surface of the membrane tape and is used to suck out dust particles on the first surface, and the first dust suction component has a first dust inlet and a first dust outlet; a second dust suction component, which is provided on the side of the second surface of the membrane tape opposite to the first surface, and is used to suck out dust particles on the second surface, and the second dust suction component has a second dust inlet and a second dust outlet; a filter box, having a box inlet and a box outlet, and the box inlet is respectively connected to the first dust outlet of the first dust suction component and the second dust outlet of the second dust suction component; and a dust removal fan, which is connected to the box outlet of the filter box; a rear fan is connected to the air outlet of the dust removal fan, and the air outlet of the rear fan is connected to the external ventilation slot.

[0014] Compared with the prior art, the casting machine provided by the present invention includes a front film guiding device and a controller, the front film guiding device includes a first traction device and a first floating device, the first traction device includes a first traction roller surface having adsorption holes for adsorbing the film tape, the first floating device includes a first follower shaft, a first follower frame, a first floating roller for tensioning the film tape, a first follower connecting rod, a first tensioning cylinder and a first displacement sensor for detecting the expansion and contraction amount of the cylinder shaft of the first tensioning cylinder, the controller is electrically connected to the first displacement sensor and the first traction roller drive assembly respectively, and the controller is used to control the action of the first traction roller drive assembly according to the expansion and contraction amount of the cylinder shaft detected by the first displacement sensor to adjust the rotation speed of the first traction roller.

[0015] The beneficial effect of the casting machine provided by the present invention is that compared with the prior art, the present invention can balance the tension on the film strip between the first floating roller and the first traction roller with the tension on the film strip between the first floating roller and the discharge device, thereby ensuring the uniformity and quality of coating. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a three-dimensional schematic diagram of a tape casting machine provided by an embodiment of the present invention; Figure 2 It is a three-dimensional schematic diagram of the tape casting machine provided by an embodiment of the present invention behind a partially hidden box door; Figure 3 The present invention provides a three-dimensional schematic diagram of a discharge device, a coating device, an electric control cabinet and a front film guide device. Figure 1 ; Figure 4 The present invention provides a three-dimensional schematic diagram of a discharge device, a coating device, an electric control cabinet and a front film guide device. Figure 2 ; Figure 5 It is a schematic diagram of the main view of the unloading device, the coating device, the electric control cabinet, the front film guiding device and the film belt provided in the embodiment of the present invention; Figure 6The present invention provides a three-dimensional schematic diagram of a deviation correction device, a thickness measuring device, a slitting device, a rear film guiding device, a first material receiving device and a second material receiving device. Figure 1 ; Figure 7 The present invention provides a three-dimensional schematic diagram of a deviation correction device, a thickness measuring device, a slitting device, a rear film guiding device, a first material receiving device and a second material receiving device. Figure 2 ; Figure 8 It is a schematic diagram of the main view of the deviation correction device, thickness measuring device, slitting device, post-film guiding device, first material receiving device, second material receiving device and film belt provided by an embodiment of the present invention; Fig. 9 It is a three-dimensional schematic diagram of the membrane tape dust removal mechanism provided in an embodiment of the present invention.

[0017] Main component symbols 1000-casting machine; 1001-film roll; 1002-film strip; 1003-ventilation slot; 10-frame; 11-first assembly vertical plate; 11a limiting convex column; 12-second assembly vertical plate; 101-discharging device; 102-coating device; 103-drying device; 104-electric control cabinet; 105-correction device; 106-thickness measuring device; 107-slitting device; 108-rear film guiding device; 109-first material receiving device; 110-second material receiving device; 105-front film guiding device; 20-first traction device; 21-first traction roller; 22 - first traction roller drive assembly; 221- traction motor; 222- traction driving wheel; 223- traction driven wheel; 224 traction drive belt; 30- first floating device; 31- first follower shaft; 32- first follower frame; 321- first follower mounting arm; 3211- floating end; 3212- counterweight end; 3213- mounting part; 33- first floating roller; 34- first follower connecting rod; 341- pivot end; 342- limit end; 35- first tensioning cylinder; 36- first displacement sensor; 41- front fan; 42- rear fan; 50 1-first guide roller; 502-second guide roller; 503-third guide roller; 504-fourth guide roller; 505-fifth guide roller; 506-sixth guide roller; 507-seventh guide roller; 508-eighth guide roller; 509-ninth guide roller; 510-tenth guide roller; 511-eleventh guide roller; 512-twelfth guide roller; 513-thirteenth guide roller; 514-fourteenth guide roller; 515-fifteenth guide roller; 516-sixteenth guide roller; 517-seventeenth guide roller; 60-second traction device; 61-second traction roller; 62-second traction roller drive assembly; 70-second floating device; 71-second follower shaft; 72-second follower frame; 73-second floating roller; 74-second follower connecting rod; 75-second tensioning cylinder; 76-second displacement sensor; 80-third floating device; 81-third follower shaft; 82-third follower frame; 83-third floating roller; 84-third follower connecting rod; 85-third tensioning cylinder; 86-third displacement sensor; 90-membrane belt dust removal mechanism; 91-first dust suction component; 92-second dust suction component; 93-filter box; 94-dust removal fan. DETAILED DESCRIPTION

[0018] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the described embodiments are part of the embodiments of the present invention, rather than all of the embodiments. Based on the described embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0019] In order to enable those skilled in the art to better understand the technical solution of the present invention, the implementation of the present invention is described in detail below with reference to specific drawings.

[0020] For the convenience of description, the terms “front”, “rear”, “left”, “right”, “up” and “down” mentioned below are consistent with the front, rear, left, right, up and down directions of the drawings themselves, but do not limit the structure of the present invention.

[0021] Unless otherwise defined, the technical or scientific terms used herein shall have the common meanings understood by persons with ordinary skills in the field to which the present invention belongs. The words "first", "second" and similar words used in the patent application specification and claims of the present invention do not indicate any order, quantity or importance, but are only used to distinguish different components. Similarly, words such as "one" or "a" do not indicate a quantity limitation, but indicate the existence of at least one.

[0022] like Figures 1 to 9 As shown, the casting machine 1000 provided in this embodiment includes a frame 10 with a first assembly vertical plate 11 and the following devices supported on the frame 10: a feeding device 101, used to provide a roll film 1001 to be coated; a coating device 102, used to coat the slurry on the film strip 1002 of the roll film 1001 to be coated; a drying device 103, used to dry the film strip 1002 coated with the slurry; a front film guiding device 105, including a first traction device 20 and a first floating device 30, the first traction device 20 includes a first traction roller 21 rotatably arranged on the first assembly vertical plate 11 and a first traction roller driving assembly 22 capable of driving the first traction roller 21 to rotate, the first traction roller 21 is located between the feeding device 101 and the coating device 102, the surface of the first traction roller 21 is formed with adsorption holes for adsorbing the film strip 1002, the first floating device 30 includes a first traction roller 21 rotatably arranged on the first assembly vertical plate 11 A follower shaft 31, a first follower frame 32 fixedly connected to the first follower shaft 31, a first floating roller 33 for tensioning the film tape 1002, a first follower connecting rod 34 fixedly connected to the first follower shaft 31, a first tensioning cylinder 35 and a first displacement sensor 36 for detecting the cylinder shaft expansion and contraction amount of the first tensioning cylinder 35, the first floating roller 33 and the first follower shaft 31 are parallel to each other, the first floating roller 33 is rotatably mounted on the first follower frame 32 and is located between the first traction roller 21 and the unloading device 101, one end of the first tensioning cylinder 35 is pivotally connected to the first follower connecting rod 34, and the other end is pivotally connected to the first assembly vertical plate 11; and a controller (not shown), which is electrically connected to the first displacement sensor 36 and the first traction roller driving assembly 22 respectively, and the controller is used to control the action of the first traction roller driving assembly 22 according to the cylinder shaft expansion and contraction amount detected by the first displacement sensor 36 to adjust the rotation speed of the first traction roller 21.

[0023] The above-mentioned casting machine 1000 includes a front film guiding device 105 and a controller. The front film guiding device 105 includes a first traction device 20 and a first floating device 30. The first traction device 20 includes a first traction roller 21 having adsorption holes formed on the surface for adsorbing the film strip 1002. The first floating device 30 includes a first follower shaft 31, a first follower frame 32, a first floating roller 33 for tensioning the film strip 1002, a first follower connecting rod 34, a first tensioning cylinder 35 and a cylinder shaft for detecting the expansion and contraction amount of the first tensioning cylinder 35. The first displacement sensor 36 and the controller are electrically connected to the first displacement sensor 36 and the first traction roller drive assembly 22 respectively. The controller is used to control the action of the first traction roller drive assembly 22 according to the cylinder shaft expansion and contraction detected by the first displacement sensor 36, so as to adjust the rotation speed of the first traction roller 21. In this way, the tension on the film tape 1002 between the first floating roller 33 and the first traction roller 21 can be balanced with the tension on the film tape 1002 between the first floating roller 33 and the discharge device 101, thereby ensuring the uniformity and quality of coating.

[0024] See also Figure 1 and Figure 2 The casting machine 1000 provided in this embodiment includes a frame 10 and an electric control cabinet 104 installed on and supported by the frame 10, a material discharge device 101, a coating device 102, a front film guiding device 105, a drying device 103, a deviation correction device 105, a thickness measuring device 106, a slitting device 107, a rear film guiding device 108, and a material receiving unit composed of a first material receiving device 109 and a second material receiving device 110. The electric control cabinet 104 supplies power to the above-mentioned devices. A box door is provided on the outside of the frame 10 to enclose the above-mentioned devices for protection.

[0025] See also Figures 2 to 5 The unloading device 101 provided in this embodiment is used to provide a roll film 1001 to be coated, the coating device 102 is used to coat the slurry on the film strip 1002 of the roll film 1001 to be coated, and the drying device 103 is used to dry the film strip 1002 coated with the slurry. In this embodiment, the unloading device 101 is placed with a roll film 1001 wound by a blank film strip 1002, and the coating device 102 is connected to a slurry supply system (not shown) to coat the slurry on the film strip 1002. 02, the front film guiding device 105 is used to send the film tape 1002 into the coating device 102 and send the film tape 1002 into the drying device 103 after coating the slurry. The drying device 103 includes a plurality of ovens arranged side by side, and a drying channel is arranged inside the oven. The plurality of oven drying channels are connected in sequence. The drying device 103 is located on a side of the coating device 102 where the discharge device 101 is provided, and the electric control cabinet 104 is arranged on a side of the coating device 102 away from the discharge device 101.

[0026] See also Figures 2 to 5 The frame 10 provided in this embodiment has a first assembly vertical plate 11, and a front film guiding device 105 is supported on the frame 10. The front film guiding device 105 includes a first traction device 20 for pulling the film belt 1002 to move and a first floating device 30 for tensioning the film belt 1002. The first traction device 20 includes a first traction roller 21 rotatably arranged on the first assembly vertical plate 11 and a first traction roller driving assembly 22 capable of driving the first traction roller 21 to rotate. The first traction roller 21 is located between the discharge device 101 and the coating device 102. The surface of the first traction roller 21 is formed with adsorption holes for adsorbing the film strip 1002. In this embodiment, a front fan 41 is arranged on the side of the first assembly vertical plate 11 away from the coating device 102. The first traction roller 21 has a cavity connected to the adsorption holes on its surface (not shown). The cavity of the first traction roller 21 is connected to the air inlet of the front fan 41, and the air outlet of the front fan 41 is connected to the ventilation slot 1003. In this way, under the drive of the front fan 41, the internal shape of the first traction roller 21 is negatively pressurized so that the adsorption holes on its surface form an adsorption force on the film strip 1002.

[0027] See also Figures 3 to 5The first floating device 30 provided in this embodiment includes a first follower shaft 31 rotatably arranged on the first assembly vertical plate 11, a first follower frame 32 fixedly connected to the first follower shaft 31, a first floating roller 33 for tensioning the film belt 1002, a first follower connecting rod 34 fixedly connected to the first follower shaft 31, a first tensioning cylinder 35 and a first displacement sensor 36 for detecting the expansion and contraction amount of the cylinder shaft of the first tensioning cylinder 35. The first floating roller 33 is parallel to the first follower shaft 31, and the first floating roller 33 is rotatably mounted on the first follower frame 32 and is located at the first traction Between the roller 21 and the unloading device 101, one end of the first tensioning cylinder 35 is pivotally connected to the first follower connecting rod 34, and the other end is pivotally connected to the first assembly vertical plate 11. In this embodiment, the first follower shaft 31 is installed on the first assembly vertical plate 11 through a bearing, and the first follower shaft 31 is located between the first traction roller 21 and the unloading device 101. The first follower frame 32 is fixedly installed on the first follower shaft 31 and can rotate around the axis of the first follower shaft 31. The first floating roller 33 is rotatably installed on the first follower frame 32 and is used to abut against the film belt 1002. The end of the first follower shaft 31 passes through the first assembly vertical plate 11 and is installed with a first follower connecting rod 34. The first follower connecting rod 34 is fixedly connected to the first follower shaft 31 and can rotate around the axis of the first follower shaft 31. The first tensioning cylinder 35 is arranged on the side of the first assembly vertical plate 11 away from the first floating roller 33. One end of the first tensioning cylinder 35 is pivotally connected to the first follower connecting rod 34, and the other end is pivotally connected to the first assembly vertical plate 11. The first tensioning cylinder 35 is but not limited to a low-friction cylinder. The first displacement sensor 36 is fixed to the first tensioning cylinder 35. It can be understood that when the tension on the film belt 1002 between the first floating roller 33 and the first traction roller 21 is different from the tension on the film belt 1002 between the first floating roller 33 and the unloading device 101, the film belt 1002 will pull the first floating roller 33 to move up and down, thereby driving the first follower frame 32, the first follower shaft 31 and the first follower connecting rod 34 of the first floating roller 33 to rotate around the axis of the first follower shaft 31, and pull the cylinder shaft of the first tensioning cylinder 35 to telescope. At the same time, the first displacement sensor 36 will send a signal after detecting the changed position of the cylinder shaft.

[0028] In this embodiment, the controller is electrically connected to the first displacement sensor 36 and the first traction roller drive assembly 22, respectively, and the controller is used to control the action of the first traction roller drive assembly 22 according to the cylinder shaft expansion and contraction amount detected by the first displacement sensor 36, so as to adjust the rotation speed of the first traction roller 21. In this embodiment, the controller receives the signal from the first displacement sensor 36, and controls the first traction roller drive assembly 22 to increase and decrease the rotation speed of the first traction roller 21, so that the tension on the film belt 1002 between the first floating roller 33 and the first traction roller 21 is consistent with the tension on the film belt 1002 between the first floating roller 33 and the unloading device 101. It should be noted that the controller is a PLC controller or any other existing controller in the prior art that can realize the above control.

[0029] See also Figure 4 In this embodiment, the first traction roller driving assembly 22 includes a traction motor 221 fixedly mounted on the first assembly vertical plate 11 and located above the first traction roller 21, a traction driving wheel 222 connected to the traction motor 221, a traction driven wheel 223 coaxial with and fixedly connected to the first traction roller 21, and a traction transmission belt 224 respectively connecting the traction driven wheel 223 and the traction driving wheel 222. The traction motor 221 is but not limited to a servo motor. The traction motor 221 is electrically connected to the controller and can be driven to work by the controller.

[0030] See also Figure 5 In the present embodiment, the front film guiding device 105 comprises a first guide roller 501, a second guide roller 502, a third guide roller 503, a fourth guide roller 504 and a fifth guide roller 505 which are rotatably supported on the first assembly vertical plate 11 and used to guide the movement of the film tape 1002, wherein the first guide roller 501 is located between the unloading device 101 and the first floating roller 33 and above the unloading device 101 and the first floating roller 33, the second guide roller 502 is located between the first floating roller 33 and the first traction roller 21 and above both, the third guide roller 503 is located between the first traction roller 21 and the coating device 102, and the fourth guide roller 504 and the fifth guide roller 505 are sequentially arranged between the coating device 102 and the drying device 103 along the moving direction of the film tape 1002.

[0031] See also Figure 5In this embodiment, the first follower frame 32 includes two first follower mounting arms 321 parallel to each other, the first follower mounting arm 321 includes a floating end 3211 for connecting to the first floating roller 33, a counterweight end 3212 opposite to the floating end 3211 and for mounting a counterweight block (not shown), and a mounting portion 3213 located between the floating end 3211 and the counterweight end 3212, the mounting portion 3213 is fixedly connected to the first follower shaft 31, so that a counterweight block is arranged on the counterweight end, which can maintain the balance of the two ends of the first follower frame 32, and the structure is more stable.

[0032] Specifically, the distance between the mounting portion 3213 and the floating end portion 3211 is greater than the distance between the mounting portion 3213 and the counterweight end portion 3212. Thus, due to the difference in the force arms on both sides, the force arm on one end of the counterweight block is shorter, so that the film belt 1002 can pull the floating roller up and down when the tension on both sides is different. (The structures of the second follower frame and the third follower frame are the same and will not be repeated) Please return to see Figure 4 In the present embodiment, the first follower link 34 includes a pivot end 341 for connecting to the first tensioning cylinder 35 and a limit end 342 opposite to the pivot end 341. The middle portion of the first follower link 34 is fixedly connected to the first follower shaft 31. A limit boss 11a for limiting the movement of the limit end 342 is provided on the first assembly vertical plate 11.

[0033] See also Figures 3 to 5 The slitting device 107 provided in this embodiment is used to slit the dried film strip 1002 into two film strips 1002 of preset width, and the material receiving unit includes a first material receiving device 109 and a second material receiving device 110, which are used to roll up the slit film strip 1002. In this embodiment, a deflection correction device 105 and a thickness measuring device 106 are provided between the slitting device 107 and the drying device 103. The deflection correction device 105 and the thickness measuring device 106 are arranged in sequence along the moving direction of the film tape 1002. The deflection correction device 105 is used to align the position of the film tape 1002 with the preset position to ensure that the slitting device 107 can slitting the film tape 1002. The thickness measuring device 106 is used to measure the thickness of the slurry on the film tape 1002. The above-mentioned coating device 102, drying device 103, deflection correction device 105, thickness measuring device 106, and slitting device 107 can all be existing devices in the prior art that can realize coating, drying, deflection correction, thickness measurement, and slitting of the film tape 1002.

[0034] See also Figures 3 to 5The frame 10 provided in this embodiment also includes a second assembly vertical plate 12, and a rear film guiding device 108 is arranged on the second assembly vertical plate 12. The rear film guiding device 108 includes a second traction device 60, a second floating device 70 and a third floating device 80. The second traction device 60 is used to pull the dried film belt 1002 to move, and the second floating device 70 and the third floating device 80 are used to tension the film belt 1002.

[0035] See also Figures 3 to 5 The structure of the second traction device 60 provided in this embodiment may be the same as or different from that of the first traction device 20. In this embodiment, the second traction device 60 has the same structure as the first traction device 20. The second traction device 60 includes a second traction roller 61 rotatably arranged on the second assembly vertical plate 12 and a second traction roller driving assembly 62 capable of driving the second traction roller 61 to rotate. The second traction roller 61 is located between the drying device 103 and the slitting device 107. The surface of the second traction roller 61 is formed with adsorption holes for adsorbing the film tape 1002.

[0036] Specifically, the second traction roller 61 is located between the thickness measuring device 106 and the slitting device 107, and a rear fan is provided on one side of the second assembly vertical plate 12. The rear fan is connected to the second traction roller 61 and can make the adsorption holes of the second traction roller 61 form adsorption force. The cavity of the second traction roller 61 is connected to the air inlet of the rear fan 42, and the air outlet of the rear fan 42 is connected to the ventilation slot 1003. In this way, under the drive of the rear fan 42, the internal shape of the second traction roller 61 is negatively pressurized so that the adsorption holes on its surface form adsorption force on the film strip 1002. It should be noted that since the second traction device 60 and the first traction device 20 have the same structure, that is, the specific structure and connection relationship of the second traction roller drive assembly 62 are the same as those of the first traction roller drive assembly 22, the second traction roller drive assembly 62 will not be repeated.

[0037] See also Figures 3 to 5The second floating device 70 and the third floating device 80 provided in this embodiment may have the same structure as or different from the first floating device 30. In this embodiment, the second floating device 70, the third floating device 80 and the first floating device 30 have the same structure. The second floating device 70 includes a second follower shaft 71, a second follower frame 72, a second floating roller 73, a second follower connecting rod 74, a second tensioning cylinder 75 and a second displacement sensor 76. The second follower shaft 71 is rotatably arranged on the second assembly vertical plate 12, and the second follower frame 72 is fixed to the second follower shaft 71. The second floating roller 73 is used for tensioning the film belt 1002, the second follower connecting rod 74 is fixedly connected to the second follower shaft 71, the second displacement sensor 76 is fixed on the second tensioning cylinder 75 and is used to detect the cylinder shaft expansion and contraction amount of the second tensioning cylinder 75, the second floating roller 73 and the second follower shaft 71 are parallel to each other, the second floating roller 73 is rotatably mounted on the second follower frame 72 and is located between the second traction roller 61 and the first material receiving device 109, one end of the second tensioning cylinder 75 is pivotally connected to the second follower connecting rod 74, and the other end is pivotally connected to the second assembly vertical plate 12. The third floating device 80 includes a third follower shaft 81, a third follower frame 82, a third floating roller 83, a third follower connecting rod 84, a third tensioning cylinder 85 and a third displacement sensor 86. The third follower shaft 81 is rotatably arranged on the second assembly vertical plate 12. The third follower frame 82 is fixedly connected to the third follower shaft 81. The third floating roller 83 is used to tension the film tape 1002. The third follower connecting rod 84 is fixedly connected to the third follower shaft 81. The third tensioning cylinder 85 and the third displacement sensor 86 are fixed on the third tensioning cylinder 85 and are used to detect the cylinder shaft expansion and contraction amount of the third tensioning cylinder 85. The third floating roller 83 and the third follower shaft 81 are parallel to each other. The third floating roller 83 is rotatably mounted on the third follower frame 82 and is located between the second traction roller 61 and the second material receiving device 110. One end of the third tensioning cylinder 85 is pivotally connected to the third follower connecting rod 84, and the other end is pivotally connected to the second assembly vertical plate 12. The second traction roller drive assembly 62, the second displacement sensor 76, and the third displacement sensor 86 are electrically connected to the controller respectively. The controller can control the action of the second traction roller drive assembly 62 according to the cylinder shaft expansion and contraction amount detected by the second displacement sensor 76 and / or according to the cylinder shaft expansion and contraction amount detected by the third displacement sensor 86 to adjust the rotation speed of the second floating roller 73.It can be understood that when the tension on the film tape 1002 between the second floating roller 73 and the second traction roller 61 is different from the tension on the film tape 1002 between the second floating roller 73 and the first material receiving device 109, the film tape 1002 will pull the second floating roller 73 to move up and down, thereby driving the second follower frame 72, the second follower shaft 71 and the second follower connecting rod 74 of the second floating roller 73 to rotate around the second follower axis, and pull the cylinder shaft of the second tensioning cylinder 75 to telescope. At the same time, the second displacement sensor 76 will send a signal after detecting the position change of the cylinder shaft. The controller receives the signal and controls the second traction roller drive assembly 62 to increase and decrease the rotation speed of the second traction roller 61. degree; similarly, when the tension on the film tape 1002 between the third floating roller 83 and the second traction roller 61 is different from the tension on the film tape 1002 between the third floating roller 83 and the second material receiving device 110, the film tape 1002 will pull the third floating roller 83 to move up and down, thereby driving the third follower frame 82, the third follower shaft 81 and the third follower connecting rod 84 of the third floating roller 83 to rotate around the third follower axis, and pull the cylinder shaft of the third tensioning cylinder 85 to telescope. At the same time, the third displacement sensor 86 will send a signal after detecting the position change of the cylinder shaft. The controller receives the signal and controls the second traction roller drive assembly 62 to increase and decrease the rotation speed of the second traction roller 61. In this way, the tension on the film strip 1002 between the second floating roller 73 and the second traction roller 61 can be balanced with the tension on the film strip 1002 between the second floating roller 73 and the first material receiving device 109, and the tension on the film strip 1002 between the second floating roller 73 and the third traction roller can be balanced with the tension on the film strip 1002 between the second floating roller 73 and the second material receiving device 110, thereby avoiding the phenomenon of local deformation caused by uneven winding. It should be noted that since the structures of the second floating device 70, the third floating device 80 and the first floating device 30 are the same, the follower frame part of the second floating device 70 and the third floating device 80 will not be repeated.

[0038] See also Figure 8In this embodiment, the rear film guiding device 108 includes a sixth guide roller 506, a seventh guide roller 507, an eighth guide roller 508, a ninth guide roller 509, a tenth guide roller 510, an eleventh guide roller 511, a twelfth guide roller 512, a thirteenth guide roller 513, a fourteenth guide roller 514, a fifteenth guide roller 515, a sixteenth guide roller 516 and a seventeenth guide roller 517, which are rotatably supported on the second assembly vertical plate 12 and used to guide the movement of the film tape 1002, wherein the sixth guide roller 506 is located between the thickness measuring device 106 and the second traction roller 61, the seventh guide roller 507 is located between the second traction roller 61 and the slitting device 107, and the eighth guide roller 508, the ninth guide roller 510, the eleventh guide roller 511, the twelfth guide roller 512, the thirteenth guide roller 513, the fourteenth guide roller 514, the fifteenth guide roller 515, the sixteenth guide roller 516 and the seventeenth guide roller 517. 09. The tenth guide roller 510 is arranged in sequence between the slitting device 107 and the second floating roller 73 along the moving direction of the film tape 1002. The eleventh guide roller 511 and the twelfth guide roller 512 are arranged in sequence between the second floating roller 73 and the first material receiving device 109 along the moving direction of the film tape 1002. The eighth guide roller 508, the ninth guide roller 509, the thirteenth guide roller 513 and the fourteenth guide roller 514 are arranged in sequence between the slitting device 107 and the third floating roller 83 along the moving direction of the film tape 1002. The fifteenth guide roller 515, the sixteenth guide roller 516 and the seventeenth guide roller 517 are arranged in sequence between the third floating roller 83 and the second material receiving device 110 along the moving direction of the film tape 1002.

[0039] See also Figures 6 to 9 , the second assembly vertical plate 12 provided in this embodiment is provided with a membrane belt dust removal mechanism 90, and the membrane belt dust removal mechanism 90 includes a first dust suction component 91, which is arranged on the side of the first surface of the membrane belt 1002 and is used to suck out dust particles on the first surface, and the first dust suction component 91 has a first dust inlet and a first dust outlet; a second dust suction component 92, which is arranged on the side of the second surface opposite to the first surface of the membrane belt 1002, and is used to suck out dust particles on the second surface, and the second dust suction component 92 has a second dust inlet and a second dust outlet; a filter box 93, having a box inlet and a box outlet, and the box inlet is respectively connected to the first dust outlet of the first dust suction component 91 and the second dust outlet of the second dust suction component 92; and a dust removal fan 94, which is connected to the box outlet of the filter box 93; the rear fan 42 is connected to the air outlet of the dust removal fan 94, and the air outlet of the rear fan 42 is connected to the external ventilation slot 1003.

[0040] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modification, equivalent substitution or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A tape casting machine, characterized in that: The invention comprises a frame having a first mounting plate and the following device supported on the frame: A material discharge device, used for providing a roll of film to be coated; A coating device, used for coating the slurry on the film strip of the film roll to be coated; A drying device, used for drying the film strip coated with the slurry; The front film guiding device comprises a first traction device and a first floating device, wherein the first traction device comprises a first traction roller rotatably arranged on the first assembly vertical plate and a first traction roller driving assembly capable of driving the first traction roller to rotate, the first traction roller being located between the discharge device and the coating device, and an adsorption hole for adsorbing the film tape is formed on the surface of the first traction roller, the first floating device comprises a first follower shaft rotatably arranged on the first assembly vertical plate, a first follower frame fixedly connected to the first follower shaft, a first floating roller for tensioning the film tape, a first follower connecting rod fixedly connected to the first follower shaft, a first tensioning cylinder and a first displacement sensor for detecting the expansion and contraction amount of the cylinder shaft of the first tensioning cylinder, the first floating roller and the first follower shaft are parallel to each other, the first floating roller is rotatably mounted on the first follower frame and is located between the first traction roller and the discharge device, one end of the first tensioning cylinder is pivotally connected to the first follower connecting rod, and the other end is pivotally connected to the first assembly vertical plate; as well as The controller is electrically connected to the first displacement sensor and the first traction roller drive assembly respectively, and is used to control the action of the first traction roller drive assembly according to the cylinder shaft expansion and contraction amount detected by the first displacement sensor to adjust the rotation speed of the first traction roller.

2. The tape casting machine according to claim 1, characterized in that: The front film guiding device includes a first guide roller, a second guide roller, a third guide roller, a fourth guide roller and a fifth guide roller which are respectively rotatably supported on the first assembly vertical plate and used to guide the movement of the film tape, wherein the first guide roller is located between the unloading device and the first floating roller, the second guide roller is located between the first floating roller and the first traction roller, the third guide roller is located between the first traction roller and the coating device, and the fourth guide roller and the fifth guide roller are sequentially arranged between the coating device and the drying device along the moving direction of the film tape.

3. The tape casting machine according to claim 1, characterized in that: It also includes a slitting device for slitting the dried film strip into two film strips of preset width and a material receiving unit, wherein the material receiving unit includes a first material receiving device and a second material receiving device for rolling up the slit film strip.

4. The tape casting machine according to claim 3, characterized in that: The frame also includes a second assembly vertical plate, on which a rear film guiding device is arranged, and the rear film guiding device includes a second traction device, a second floating device and a third floating device; the second traction device includes a second traction roller rotatably arranged on the second assembly vertical plate and a second traction roller driving assembly capable of driving the second traction roller to rotate, the second traction roller is located between the drying device and the slitting device, and a surface of the second traction roller is formed with an adsorption hole for adsorbing the film strip, the second floating device includes a second follower shaft rotatably arranged on the second assembly vertical plate, a second follower frame fixedly connected to the second follower shaft, a second floating roller for tensioning the film strip, a second follower connecting rod fixedly connected to the second follower shaft, a second tensioning cylinder and a second displacement sensor for detecting the extension and contraction amount of the cylinder shaft of the second tensioning cylinder, the second floating roller and the second follower shaft are parallel to each other, the second floating roller is rotatably mounted on the second follower frame and is located between the second traction roller and the first material receiving device, one end of the second tensioning cylinder is connected to the second follower connecting rod The third floating device comprises a third follower shaft rotatably arranged on the second assembly vertical plate, a third follower frame fixedly connected to the third follower shaft, a third floating roller for tensioning the film belt, a third follower connecting rod fixedly connected to the third follower shaft, a third tensioning cylinder and a third displacement sensor for detecting the cylinder shaft expansion and contraction amount of the third tensioning cylinder, the third floating roller and the third follower shaft are parallel to each other, the third floating roller is rotatably mounted on the third follower frame and is located between the second traction roller and the second material receiving device, one end of the third tensioning cylinder is pivotally connected to the third follower connecting rod, and the other end is pivotally connected to the second assembly vertical plate; the second traction roller driving assembly, the second displacement sensor, and the third displacement sensor are electrically connected to the controller respectively, and the controller can control the action of the second traction roller driving assembly according to the cylinder shaft expansion and contraction amount detected by the second displacement sensor and / or according to the cylinder shaft expansion and contraction amount detected by the third displacement sensor to adjust the rotation speed of the second floating roller.

5. The tape casting machine according to claim 4, characterized in that: The rear film guiding device includes a sixth guide roller, a seventh guide roller, an eighth guide roller, a ninth guide roller, a tenth guide roller, an eleventh guide roller, a twelfth guide roller, a thirteenth guide roller, a fourteenth guide roller, a fifteenth guide roller, a sixteenth guide roller and a seventeenth guide roller, which are respectively rotatably supported on the second assembly vertical plate and are used to guide the movement of the film tape, wherein the sixth guide roller is located between the drying device and the second traction roller, the seventh guide roller is located between the second traction roller and the slitting device, and the eighth guide roller, the ninth guide roller and the tenth guide roller are located along the film The moving direction of the tape is sequentially arranged between the slitting device and the second floating roller, the eleventh guide roller and the twelfth guide roller are sequentially arranged between the second floating roller and the first material receiving device along the moving direction of the film tape, the eighth guide roller, the ninth guide roller, the thirteenth guide roller and the fourteenth guide roller are sequentially arranged between the slitting device and the third floating roller along the moving direction of the film tape, and the fifteenth guide roller, the sixteenth guide roller and the seventeenth guide roller are sequentially arranged between the third floating roller and the second material receiving device along the moving direction of the film tape.

6. The tape casting machine according to claim 3, characterized in that: It also includes a deviation correcting device and a thickness measuring device arranged between the drying device and the slitting device. The deviation correcting device and the thickness measuring device are arranged in sequence along the moving direction of the film strip.

7. The tape casting machine according to any one of claims 1 to 6, characterized in that: The first follower frame includes two first follower mounting arms parallel to each other, the first follower mounting arm includes a floating end for connecting the first floating roller, a counterweight end opposite to the floating end and for mounting a counterweight block, and a mounting portion located between the floating end and the counterweight end, and the mounting portion is fixedly connected to the first follower shaft.

8. The tape casting machine according to any one of claims 1 to 6, characterized in that: The first follower connecting rod includes a pivot end for connecting to the first tensioning cylinder and a limiting end opposite to the pivot end, the middle portion of the first follower connecting rod is fixedly connected to the first follower shaft, and the first assembly vertical plate is provided with a limiting boss for limiting the movement of the limiting end.

9. The tape casting machine according to claim 4 or 5, characterized in that: A front fan is arranged on one side of the first assembly vertical plate, and the front fan is connected to the first traction roller and can enable the adsorption hole of the first traction roller to form an adsorption force; a rear fan is arranged on one side of the second assembly vertical plate, and the rear fan is connected to the second traction roller and can enable the adsorption hole of the second traction roller to form an adsorption force.

10. The tape casting machine according to claim 9, characterized in that The second assembly vertical plate is provided with a film tape dust removal mechanism, the film tape dust removal mechanism comprises a first dust suction component, which is arranged on one side of the first surface of the film tape and is used to suction dust particles on the first surface, the first dust suction component having a first dust inlet and a first dust outlet; A second dust suction component is arranged on the second side of the membrane strip opposite to the first side, and is used to suck away dust particles on the second side, the second dust suction component has a second dust inlet and a second dust outlet; a filter box has a box inlet and a box outlet, the box inlet is respectively connected to the first dust outlet of the first dust suction component and the second dust outlet of the second dust suction component; and a dust removal fan is connected to the box outlet of the filter box; the rear fan is connected to the air outlet of the dust removal fan, and the air outlet of the rear fan is connected to the external ventilation slot.

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