Gravure transfer printing type solid electrolyte diaphragm coating production line

Abstract

The invention discloses a gravure transfer printing type solid electrolyte diaphragm coating production line. The production line comprises unwinding equipment, preheating equipment, a first traction frame, coating equipment, a drying line, a second traction frame and winding equipment which are arranged in sequence. According to the gravure transfer printing type solid electrolyte diaphragm coating production line, the unwinding equipment, the preheating equipment, the first traction frame, the coating equipment, the drying line, the second traction frame and the winding equipment are sequentially arranged, so that a product pulled by a material belt is sequentially subjected to the procedures of unwinding, preheating, primary traction, coating, drying, secondary traction, winding and the like; and a gravure transfer printing type coating method is adopted on the coating equipment, so that the coating force is uniform, and the processing effect is improved.

Description

Technical Field

[0001] The present invention relates to the field of diaphragm processing, and in particular to a gravure transfer type solid electrolyte diaphragm coating production line. Background Art

[0002] Solid electrolyte membranes are often used in batteries, and in production and processing, the corresponding coating needs to be applied on the solid electrolyte membrane and then dried so that the coating is heated and fixed, and preheating is often required before coating. Existing coating equipment generally uses a spray coating method, and its coating is often not uniform, resulting in poor processing effect of the product. Summary of the invention

[0003] In order to solve the above problems, the present invention provides a gravure transfer solid electrolyte diaphragm coating production line, which arranges an unwinding device, a preheating device, a first traction frame, a coating device, a drying line, a second traction frame and a winding device in sequence, so that the product pulled by the material strip is subjected to the processes of unwinding, preheating, first traction, coating, drying, second traction and winding in sequence, and a gravure transfer coating method is adopted on the coating equipment, so that the coating is uniform and the processing effect is improved.

[0004] According to one aspect of the present invention, there is provided a gravure transfer type solid electrolyte membrane coating production line, comprising an unwinding device, a preheating device, a first traction frame, a coating device, a drying line, a second traction frame and a winding device arranged in sequence;

[0005] The preheating device comprises a preheating box, the upper end of the interior of the preheating box is connected to a preheating fan, and the middle end of the interior is provided with a plurality of preheating material passing shafts and a plurality of air outlet blocks, wherein each of the preheating material passing shafts is divided into two rows, upper and lower, and the two rows are staggered in the vertical direction, the top of each of the air outlet blocks is connected to the upper section of the interior of the preheating box, the vertical cross section is in an inverted triangle shape and extends downward, and a plurality of air outlet holes are provided on each side of the air outlet block;

[0006] The coating device comprises a base frame, two vertical mounting plates are arranged on the front and rear sides of the base frame, a gravure roller extending forward and backward, two squeezing rollers extending forward and backward, a coating bucket and a coating tank are installed in the middle of the two vertical mounting plates, wherein the two squeezing rollers are arranged up and down and are both close to one side of the gravure roller, the coating tank is close to the other side of the gravure roller and its coating direction is toward the gravure roller, and the coating tank is connected with the coating bucket;

[0007] The drying line comprises a plurality of drying boxes arranged side by side, and the rear end of each drying box is respectively connected to a plurality of drying fans.

[0008] In some embodiments, a work frame is further included, the drying line is installed above the work frame, the unwinding device, the preheating device, the first traction frame and the coating device are located below one end of the work frame, and the second traction frame and the winding device are located below the other end of the work frame. The benefit is that the work frame can be used to install various devices.

[0009] In some embodiments, two feeding ports are respectively provided on the left and right sides of the exterior of the preheating box, which is advantageous in that the diaphragm can pass through the preheating box through each feeding port.

[0010] In some embodiments, at least one outer feeding roller extending forward and backward is installed on both left and right sides of the preheating box, and each of the feeding rollers is located outside each of the feeding ports. The advantage is that the material belt can be adjusted by each outer feeding roller when passing through each feeding port.

[0011] In some embodiments, an exhaust duct is provided at the inner bottom of the preheating box, and the rear end of the exhaust duct is connected to the preheating fan. The benefit is that the preheating fan can discharge the hot air in the preheating box from the bottom to the outside through the exhaust duct.

[0012] In some embodiments, the gravure roller is connected to a motor, and both ends of the two squeezing rollers are respectively mounted on two movable plates, and the two movable plates are respectively connected to two horizontally arranged air rods. The advantage is that the gravure roller can be rotated under the action of the motor.

[0013] In some embodiments, both ends of the two squeezing rollers are respectively mounted on two movable plates, and the two movable plates are respectively connected to two horizontally arranged gas rods. The benefit is that the operation of the two gas rods can drive the two squeezing rollers to adjust closer to or farther from the gravure roller.

[0014] In some embodiments, a plurality of feeding rollers are installed on the upper and lower parts of the two vertical mounting plates, and an upper discharging roller extending forward and backward is provided at the top, and the upper discharging roller is close to the drying box at the starting end. The advantage is that the membrane can enter the coating device for coating through the feeding rollers and the upper discharging roller, and the membrane after coating will turn and extend to the drying line.

[0015] In some embodiments, a control panel is also provided on one of the vertical mounting plates, and the control panel mainly includes a display screen and a plurality of control buttons. The benefit thereof is that the operation of the coating device can be controlled and observed through the control panel.

[0016] In some embodiments, the drying boxes are arranged as a whole in an arc shape, which is advantageous in that it can be used for long-distance passage of the diaphragm. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic structural diagram of a gravure transfer type solid electrolyte diaphragm coating production line according to one embodiment of the present invention;

[0018] Figure 2 for Figure 1 The structural schematic diagram of the preheating device shown;

[0019] Figure 3 for Figure 2 The internal structure diagram of the preheating device shown;

[0020] Figure 4 for Figure 1 A schematic structural diagram of the coating equipment shown;

[0021] Figure 5 for Figure 4 A partial structural schematic diagram of the coating equipment shown;

[0022] Figure 6 for Figure 1 Schematic diagram of the structure of the drying line shown.

[0023] In the figure: unwinding device 1, preheating device 2, first traction frame 3, coating device 4, drying line 5, second traction frame 6, winding device 7, working frame 8, preheating box 21, preheating fan 22, preheating feed shaft 23, air outlet block 24, air outlet 25, feed port 26, outer feed roller 27, exhaust duct 28, bottom frame 41, gravure roller 42, squeezing roller 43, motor 44, moving plate 45, gas rod 46, paint bucket 47, upper discharge roller 48, vertical mounting plate 49, feed roller 410, paint tank 411, control panel 412, drying box 51, drying fan 52, DETAILED DESCRIPTION

[0024] The present invention will be further described in detail below in conjunction with the accompanying drawings.

[0025] like Figure 1 As shown, the gravure transfer solid electrolyte diaphragm coating production line includes an unwinding device 1, a preheating device 2, a first traction frame 3, a coating device 4, a drying line 5, a second traction frame 6 and a winding device 7 arranged in sequence, wherein the drying line 5 is installed above a larger working frame 8, and the unwinding device 1, the preheating device 2, the first traction frame 3 and the coating device 4 are located below one end of the working frame 8, and the second traction frame 6 and the winding device 7 are located below the other end of the working frame 8.

[0026] When the material strip carrying the product to be processed passes through each device in sequence, each device can sequentially perform processes such as unwinding, preheating, first traction, coating, drying, second traction and rewinding on the material strip and the product thereon. Among them, the unwinding device 1, each traction frame, and the rewinding device 7 are all conventional devices that can be selected from existing mature technologies.

[0027] like Figure 2-3 As shown, the preheating device 2 includes a preheating box 21, and the rear end of the upper end of the interior of the preheating box 21 is connected to a preheating fan 22 arranged outside. Among them, the inner middle end of the preheating box 21 has multiple preheating shafts 23 and multiple air outlet blocks 24, each preheating shaft 23 is divided into two rows, and the two rows of preheating shafts 23 are staggered in the vertical direction, and each air outlet block 24 is located between each preheating shaft 23 in the upper row, and the top of the preheating box 21 is connected to the upper section of the interior, and the vertical cross section is in an inverted triangle shape and extends downward, and multiple air outlet holes 25 are arranged on each side of the air outlet block 24. When in use, the diaphragm passes through each preheating shaft 23 in turn, and then when the preheating fan 22 is in operation, it can introduce hot air into the preheating box 21 and discharge it through each air outlet hole 25 of the air outlet block 24 to preheat the diaphragm.

[0028] Two feeding ports 26 are respectively arranged on the left and right sides of the preheating box 21, and at least one outer feeding roller 27 extending forward and backward is installed on each of them, and each outer feeding roller 27 is respectively located on the outer side of each feeding port 26. When the material belt passes through each feeding port 26, it can pass through each outer feeding roller 27 to adjust its direction.

[0029] In addition, an exhaust duct 28 is also provided at the bottom of the preheating box 21, and the rear end of the exhaust duct 28 is connected to the preheating fan 22. Thus, the preheating fan 22 can discharge the hot air in the preheating box 21 from the bottom to the outside through the exhaust duct 28.

[0030] like Figure 4-5 As shown, the coating device 4 includes a base frame 41, and two vertical mounting plates 49 are arranged on the front and rear sides of the base frame 41, wherein a gravure roller 42 extending forward and backward and two squeezing rollers 43 extending forward and backward are installed in the middle of the two vertical mounting plates 49, and the two squeezing rollers 43 are arranged up and down and are both close to one side of the gravure roller 42.

[0031] Among them, the gravure roller 42 is connected to a motor 44 and can rotate under the action of the motor 44; the two ends of the two squeezing rollers 43 are respectively installed on two movable plates 45, and the two movable plates 45 are respectively connected to the piston rods of two horizontally arranged air rods 46. The operation of the two air rods 46 can drive the two squeezing rollers 43 to adjust closer to or away from the gravure roller 42.

[0032] A paint tank 411 is installed in the middle of the two vertical mounting plates 49 , the paint tank 411 is close to the other side of the gravure roller 42 and its paint direction is toward the gravure roller 42 , and a paint bucket 47 for containing paint is also provided on the coating device 4 , and the paint bucket 47 is connected to the paint tank 411 .

[0033] In addition, a plurality of feeding rollers 410 are installed on the upper and lower parts of the two vertical mounting plates 49 , and an upper discharging roller 48 extending forward and backward is installed on the top, and the upper discharging roller 48 is close to the drying line 5 .

[0034] When in use, the diaphragm first enters through the lower feed roller 410, then passes through and is squeezed between the gravure roller 42 and the two squeezing rollers 43, and then passes through the upper feed roller 410 and the upper discharge roller 48 to extend to the drying line 5. The paint bucket 47 passes the paint into the paint tank 411 and is sprayed onto the gravure roller 42 through the paint tank 411, and is evenly coated on the diaphragm through the rotation of the gravure roller 42.

[0035] In addition, a control panel 412 is provided on one of the vertical mounting plates 49 . The control panel 412 mainly includes a display screen and a plurality of control buttons, etc. The operation of the coating device 4 can be controlled and observed through the control panel 412 .

[0036] like Figure 6 As shown, the drying line 5 includes a plurality of drying boxes 51 arranged side by side, and the rear end of each drying box 51 is respectively connected to a plurality of drying fans 52, wherein the upper discharge roller 48 at the top of the bottom frame 41 is close to the drying box 51 at the starting end. When in use, the diaphragm passes through each drying box 51 in turn, and each drying fan 52 introduces hot air into each drying box 51 for drying.

[0037] In addition, each drying box 51 is arranged in an arc shape as a whole, so as to be suitable for the long-distance passage of the diaphragm.

[0038] The above are only some embodiments of the present invention. For those skilled in the art, several modifications and improvements can be made without departing from the creative concept of the present invention, which all belong to the protection scope of the present invention.

Claims

1. A gravure transfer solid electrolyte membrane coating production line, characterized by: It comprises an unwinding device (1), a preheating device (2), a first traction frame (3), a coating device (4), a drying line (5), a second traction frame (6) and a winding device (7) which are arranged in sequence; The preheating device (2) comprises a preheating box (21), the upper end of the interior of the preheating box (21) is connected to a preheating fan (22), and the middle end of the interior is provided with a plurality of preheating shafts (23) and a plurality of air outlet blocks (24), wherein each of the preheating shafts (23) is divided into two rows, upper and lower, and the two rows are staggered in the vertical direction, the top of each of the air outlet blocks (24) is connected to the upper section of the interior of the preheating box (21), the vertical cross section is in an inverted triangle shape and extends downward, and a plurality of air outlet holes (25) are provided on each side of the air outlet block (24); The coating device (4) comprises a base frame (41), two vertical mounting plates (49) are arranged on the front and rear sides of the base frame (41), and a gravure roller (42) extending forward and backward, two squeezing rollers (43) extending forward and backward, a paint bucket (47) and a paint groove (411) are installed in the middle of the two vertical mounting plates (49), wherein the two squeezing rollers (43) are arranged up and down and are both close to one side of the gravure roller (42), the paint groove (411) is close to the other side of the gravure roller (42) and its paint direction is toward the gravure roller (42), and the paint groove (411) is connected to the paint bucket (47); The drying line (5) comprises a plurality of drying boxes (51) arranged side by side, and the rear end of each drying box (51) is respectively connected to a plurality of drying fans (52).

2. A gravure transfer solid electrolyte membrane coating production line according to claim 1, characterized in that: It also includes an operating frame (8), the drying line (5) is installed above the operating frame (8), the unwinding device (1), the preheating device (2), the first traction frame (3) and the coating device (4) are located below one end of the operating frame (8), and the second traction frame (6) and the winding device (7) are located below the other end of the operating frame (8).

3. The gravure transfer solid electrolyte membrane coating production line according to claim 1, characterized in that: Two material passing openings (26) are respectively arranged on the left and right sides of the exterior of the preheating box (21).

4. The gravure transfer solid electrolyte membrane coating production line according to claim 3, characterized in that: At least one outer feeding roller (27) extending forward and backward is installed on both left and right sides of the exterior of the preheating box (21), and each feeding roller (27) is located on the outer side of each feeding port (26).

5. The gravure transfer solid electrolyte membrane coating production line according to claim 1, characterized in that: An exhaust duct (28) is provided at the inner bottom end of the preheating box (21), and the rear end of the exhaust duct (28) is connected to the preheating fan (22).

6. The gravure transfer solid electrolyte membrane coating production line according to claim 1, characterized in that: The gravure roller (42) is connected to a motor (44).

7. The gravure transfer solid electrolyte membrane coating production line according to claim 1, characterized in that: Both ends of the two squeezing rollers (43) are respectively mounted on two movable plates (45), and the two movable plates (45) are respectively connected to two horizontally arranged gas rods (46).

8. The gravure transfer solid electrolyte membrane coating production line according to claim 1, characterized in that: A plurality of feeding rollers (410) are installed on the upper and lower parts of the two vertical mounting plates (49), and an upper discharging roller (48) extending forward and backward is provided at the top, and the upper discharging roller (48) is close to the drying box (51) located at the starting end.

9. The gravure transfer solid electrolyte membrane coating production line according to claim 1, characterized in that: A control panel (412) is also provided on one of the vertical mounting plates (49), and the control panel (412) mainly comprises a display screen and a plurality of control buttons.

10. The gravure transfer solid electrolyte membrane coating production line according to claim 1, characterized in that: The drying boxes (51) are arranged in an arc shape as a whole.

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