CN210211047U - Battery diaphragm oven device - Google Patents
Battery diaphragm oven device Download PDFInfo
- Publication number
- CN210211047U CN210211047U CN201921074928.9U CN201921074928U CN210211047U CN 210211047 U CN210211047 U CN 210211047U CN 201921074928 U CN201921074928 U CN 201921074928U CN 210211047 U CN210211047 U CN 210211047U
- Authority
- CN
- China
- Prior art keywords
- blowing
- air
- box body
- diaphragm
- blowpipe
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Abstract
The utility model relates to a battery diaphragm oven device, which comprises a box body, wherein the front side of the box body is provided with a film inlet, and the rear side of the box body is provided with a film outlet; a drying cavity is formed in the box body, and a diaphragm conveying device and an air blowing system are arranged in the drying cavity; the diaphragm conveying device is suitable for conveying the battery diaphragm entering the drying cavity; the blowing system is suitable for blowing the battery diaphragm conveyed in the drying cavity. This battery diaphragm oven device, diaphragm conveyer's upper and lower transition roller set are wave interval arrangement, and each left blowing pipe and each right blowing pipe opposite direction are bloied, and the air inlet opposite direction of left blowing pipe and right blowing pipe. So that the hot air and the temperature received by the surfaces of the battery diaphragms positioned at different positions in the baking cavity are uniform. Compared with single-side blowing, double-side blowing can obtain the battery diaphragm with more uniform air permeability and thickness. The crossbeam setting of marking time makes things convenient for the workman to change the membrane and rolls up the time and carry out the operation of wearing the membrane, is convenient for the workman to maintain the inside spare part of box and clean the guide roll face simultaneously.
Description
Technical Field
The utility model relates to a battery diaphragm production system technical field, concretely relates to battery diaphragm oven device.
Background
With the increasing demand for high-performance rechargeable batteries in portable electronic devices, mobile products, and communication devices, battery separators, which are one of the core components of batteries, have also been rapidly developing. The battery diaphragm sold in the market at present mainly adopts a polyolefin microporous membrane made of polyethylene and polypropylene. According to different production processes of polyolefin lithium battery microporous membranes, the preparation method comprises a dry method (a melt stretching method) and a wet method (a thermally induced phase separation method). The technology for preparing polyolefin membranes by a dry method occupies most of the share of high-end domestic markets.
In the technology of producing polypropylene lithium battery diaphragm by dry method one-way stretching process, polypropylene melt is formed into hard elastic film with parallel arranged lamellar crystal structure perpendicular to extrusion direction under high rate stretching by a casting process. And (3) carrying out heat treatment on the hard elastic film at a certain temperature to eliminate the lamella defects in the film, so that the lamella structure is more perfect, and the thickness of the lamella is increased.
In all processes for producing a polypropylene separator, the heat treatment process has a relatively large influence on the stability of the product quality of the separator. The uneven heat treatment affects performance indexes such as porosity, pore size distribution, strength and the like of the diaphragm, so that certain differences exist among different batches of diaphragm products in performance, and the stability of the quality of downstream industrial batteries is greatly affected.
At present, the heat treatment mode of the polypropylene cast film in China mainly adopts an off-line heat treatment process; the method comprises the steps of placing a rolled semi-finished film roll on a film frame vehicle, placing a plurality of rolls of the semi-finished film roll on the film frame vehicle, pushing the film frame vehicle with the semi-finished film roll into a large-scale customized oven, closing the oven door, setting the required temperature and the required heat preservation time, and pushing the film frame vehicle out after the heat treatment requirement is met. The heat treatment process has the advantages of simple process, small equipment investment, flexible and mobile personnel operation and the like, but the stability of the performance of each batch of heat-treated films is difficult to ensure due to the discontinuity of the heat treatment process and the nonuniformity of the temperature field in the oven. In addition, because the heat conductivity coefficient of polypropylene is small, the stability of the performance can be ensured only by using an off-line heat treatment process for a long time, and the requirement of large-scale continuous production is difficult to meet.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is: the defects of the prior art are overcome, the battery diaphragm oven device is provided, and the problems that the heat treatment process of the conventional heat treatment equipment for the battery diaphragm is discontinuous, the temperature field in the oven is not uniform, and the stability of the performance of each batch of heat treatment films is difficult to guarantee are solved.
The utility model provides a technical scheme that its technical problem adopted is: a battery diaphragm oven device comprises a box body, wherein a diaphragm inlet is formed in the front side of the box body, and a diaphragm outlet is formed in the rear side of the box body;
a drying cavity is formed in the box body, and a diaphragm conveying device and a blowing system are arranged in the drying cavity;
the diaphragm conveying device is suitable for conveying the battery diaphragm entering the drying cavity;
the blowing system is suitable for blowing the battery diaphragm conveyed in the drying cavity.
Further, the diaphragm conveying device comprises an upper traction roller set and a lower transition roller set;
each upper traction roller of the upper traction roller group is arranged in the baking cavity in the left-right direction and is distributed in the front-back direction;
each lower transition roller of the lower transition roller group is arranged in the drying cavity in the left-right direction and is distributed in the front-back direction;
and each upper traction roller of the upper traction roller set and each lower transition roller of the lower transition roller set are arranged in a vertically staggered manner.
Further, the blowing system comprises an air inlet pipe, a left blowing pipe group and a right blowing pipe group, wherein the air inlet pipe is respectively connected with the left blowing pipe group and the right blowing pipe group and is suitable for supplying hot air to each blowing pipe;
each left blowing pipe of the left blowing pipe group is vertically arranged, a row of air outlet holes are formed in the left blowing pipes along the length direction, and the air outlet holes of the left blowing pipes are arranged towards the right;
each right blowpipe of the right blowpipe group is vertically arranged, a row of air outlet holes are formed in the right blowpipe along the length direction, and the air outlet holes of the right blowpipes are arranged towards the left;
each left blowpipe and right blowpipe are left and right crisscross setting.
Further, a left blowing area is formed between the upper traction roller and lower transition rollers on two sides right below the upper traction roller, and each left blowing pipe is respectively positioned on the left side of the left blowing area;
and a right blowing area is formed between the lower transition roller and the upper traction rollers on two sides right above the lower transition roller, and each right blowing pipe is respectively positioned on the right side of the right blowing area.
Further, the air inlet of the left blowpipe is formed in the upper end of the left blowpipe, and the air inlet of the right blowpipe is formed in the lower end of the right blowpipe.
Furthermore, a pipeline of the air inlet pipe is provided with a blower, a heating bag and an air inlet static pressure box.
Furthermore, the top of the box body is provided with a return air inlet, the return air inlet is connected with a return air pipe, a return air static pressure box is arranged on a pipeline of the return air pipe, and an air outlet of the return air pipe is connected with an air inlet of the air blower;
and an air supplementing opening is arranged on the air return pipe between the air return static pressure box and the blower.
Furthermore, a plurality of stepping crossbeams are arranged in the box body, each stepping crossbeam is arranged in the box body in the left-right direction, and the stepping crossbeams are respectively positioned in the left air blowing area and the right air blowing area;
the horizontal height of the stepping beam is higher than the lower transition roller and lower than the left blowpipe and the right blowpipe.
Further, a partition board is arranged in the box body, the partition board divides an inner cavity of the box body into an upper cavity and a lower cavity, the upper cavity is the baking cavity, a plurality of air cylinders are arranged in the lower cavity, push rods of the air cylinders are connected with the partition board, and the partition board is suitable for being driven to move up and down in the box body so as to regulate and control the space size of the baking cavity.
The utility model has the advantages that:
the upper and lower transition roller sets of the diaphragm conveying device are arranged at intervals in a wave shape, and the left and right blowing pipes are positioned on two sides of the box body and are vertical to the guide rollers. The battery diaphragm enters from the lower part of the box body, hot air in the air inlet pipe passes through the vertical air blowing pipes on the two sides of the box body, and the blown air is parallel to the surface of the battery diaphragm in the drying cavity. The left blowpipe located in the left blowing area and the right blowpipe located in the right blowing area blow oppositely, and the air inlet directions of the left blowpipe and the right blowpipe are opposite. So that the hot air and the temperature received by the surfaces of the battery diaphragms positioned at different positions in the baking cavity are uniform. Compared with single-side blowing, double-side blowing can obtain the battery diaphragm with more uniform air permeability and thickness. The heat treatment process is continuous, the temperature field in the box body is uniform, and the stability of the film crystallinity, the lamella thickness, the tensile strength, the rebound rate and other properties of the heat-treated films of each batch is ensured.
Set up air inlet static pressure case in the air-supply line, set up return air static pressure case in the return air pipe, stabilize the air current and reduce the air current vibration, the wind pressure is more stable, and wind blows farther, and the noise reduces, the amount of wind evenly distributed.
The crossbeam of marking time is located transition roller top, controls the blowing pipe below down, makes things convenient for the workman to change and carries out the membrane operation of wearing when rolling up, is convenient for the workman to maintain the inside spare part of box and clean the guide roll face simultaneously.
The baffle plate moves up and down in the box body to regulate and control the space size of the drying cavity, so that the volume of the drying cavity can be effectively reduced, and the heat preservation effect is improved.
The design is ingenious, the structure is compact, the operation is convenient, the temperature in the box body is uniform, the control precision is high, and the heat treatment effect is good.
Drawings
The present invention will be further explained with reference to the accompanying drawings.
FIG. 1 is a schematic structural diagram of a battery separator oven apparatus according to the present embodiment;
FIG. 2 is a schematic structural diagram of the interior of a baking chamber of a battery separator baking oven apparatus according to the present embodiment;
fig. 3 is a top view of the left and right blowpipes;
fig. 4 is a schematic view of the structure of a left (right) blowpipe;
FIG. 5 is a schematic structural diagram of a second battery separator oven apparatus according to the present embodiment;
fig. 6 is a schematic structural diagram of the interior of the baking chamber of the two-cell diaphragm baking oven device of the present embodiment.
Wherein: 1. a box body; 2. an upper pulling roll; 3. a lower transition roll; 4. an air inlet pipe; 5. a left blowpipe; 6. an air outlet; 7. a right blowpipe; 8. an air outlet; 9. a blower; 10. heating the bag; 11. an air inlet static pressure box; 12. an air return opening; 13. a return air duct; 14. a return air static pressure box; 15. an air supply opening; 16. a stepping beam; 17. a partition plate; 18. and a cylinder.
Detailed Description
The invention will now be further described with reference to the accompanying drawings. The drawings are simplified schematic diagrams only illustrating the basic structure of the present invention in a schematic manner, and thus show only the components related to the present invention.
Example one
As shown in fig. 1, a battery separator oven device comprises a box body 1. The box body 1 is a frame structure welded by rectangular integral sectional materials, and in order to ensure strength and rigidity, the box body 1 must be made of metal sectional materials with corresponding strength according to the size of the box body, and the integral frame is required to be flat, square and firm in connection. The periphery and the top are sealed by insulation boards, and the bottom is overhead by insulation boards. A detachable manhole is arranged on one side of the box body 1, so that maintainers can conveniently enter the box body 1 for inspection and maintenance. The front side of the box body 1 is provided with a thin and narrow rectangular film inlet, and the rear side of the box body 1 is provided with a thin and narrow rectangular film outlet for guiding the battery diaphragm to enter and leave the box body 1. An inlet guide roller and an outlet guide roller are fixed at the corresponding positions of the film inlet and the film outlet by using a support, the inlet guide roller and the outlet guide roller are driven rollers, bearing seats and bearings are arranged on two sides of the rollers for operation, and the roller body adopts an aluminum surface anodic oxidation structure. A drying cavity is formed in the box body 1, and a diaphragm conveying device and a blowing system are arranged in the drying cavity. The diaphragm conveying device is suitable for conveying the battery diaphragms entering the drying cavity, and the blowing system is suitable for blowing the battery diaphragms conveyed in the drying cavity, so that the continuity of the heat treatment process of the battery diaphragms is ensured, the uniformity of a temperature field in the box body 1 is realized, and the stable performance of the heat treatment films in each batch is ensured.
As shown in fig. 1 and 2, the diaphragm transfer device includes an upper traction roller set and a lower transition roller set. Each upper traction roller 2 of the upper traction roller group is arranged in the left and right direction of the drying cavity and distributed in the front and back direction, each lower transition roller 3 of the lower transition roller group is arranged in the left and right direction of the drying cavity and distributed in the front and back direction, and each upper traction roller 2 of the upper traction roller group and each lower transition roller 3 of the lower transition roller group are arranged in a vertically staggered manner. The upper traction roller 2 and the lower transition roller 3 are composed of roller surfaces and supporting shafts on two sides, the roller surfaces are made of aluminum alloy cylindrical materials, light thin-wall aluminum rollers are selected as far as possible on the premise of ensuring strength and rigidity, the supporting shafts on two sides and the roller surfaces are fixedly processed, the supporting shafts on two sides and the roller surfaces are concentric after the whole process is finished, and the circular runout of the roller surfaces is less than or equal to 0.03 mm/m. And after the machining is finished, the whole body is subjected to dynamic balance to ensure the stability of the roller during operation. Bearing seats and bearings are arranged on two sides of the upper traction roller 2 and the lower transition roller 3, so that the roller body can rotate conveniently, and the roller body is of an aluminum surface anodic oxidation structure. The variable frequency motor is fixed on a steel frame outside the box body 1 by adopting a base and is used for driving the upper traction roller 2 and the lower transition roller 3 to operate. The supporting shafts at the two ends of the upper traction roller 2 and the lower transition roller 3 are fixed on the frame of the box body 1, the connection is firm and stable, and the bearings are of high-temperature resistant models. Bearing and bearing frame all are in the 1 side heated board outside of box, and the bearing of being convenient for on the one hand refuels and can prolong bearing life, and the dust pollution box 1 internal environment that on the other hand reducible bearing wearing and tearing produced. The dynamic heat treatment of the battery diaphragm on the production line needs to calculate the retention time of the battery diaphragm in the box body 1 according to the product specification of the battery diaphragm and the speed of the production line. Therefore, the whole length and height of the box body 1 and the number of the upper and lower paired rollers, namely the upper traction roller 2 and the lower transition roller 3, in the box body 1 become important parameters of the heat treatment effect of the battery diaphragm. The overall length and height of the box body 1 are determined according to the actual production line, and the height is preferably less than or equal to 2m and the length is preferably less than or equal to 6m in the embodiment. The diameters of the upper traction roller 2 and the lower transition roller 3 are less than or equal to 250mm, the distance between the upper roller pair and the lower roller pair is as small as possible, and the size is preferably 250 mm-300 mm in consideration of the factor of the operation of personnel. The external battery diaphragm enters the drying cavity from the film inlet, sequentially and alternately bypasses the lower transition roller 3 and the upper traction roller 2 from front to back, and finally is discharged out of the box body 1 from the film outlet.
As shown in fig. 3 and 4, the blowing system includes an air inlet duct 4, a left blowing duct group, and a right blowing duct group. The air inlet pipe 4 is connected with the left blowing pipe group and the right blowing pipe group respectively and is suitable for supplying hot air to each blowing pipe. Each left blowing pipe 5 of the left blowing pipe group is vertically arranged, a row of air outlet holes 6 are formed in the left blowing pipe 5 along the length direction, and the air outlet holes 6 of the left blowing pipe 5 are arranged towards the right. Each right blowing pipe 7 of right blowing pipe group is vertical setting, has seted up one row of exhaust vent 8 along length direction on the right blowing pipe 7, and the exhaust vent 8 of right blowing pipe 7 sets up towards a left side. The left blowpipes 5 and the right blowpipes 7 are arranged in a left-right staggered manner. The hot air in the air inlet pipe 4 passes through the vertical left and right blowing pipes on the two sides of the box body 1, and the blown air is parallel to the surface of the battery diaphragm in the drying cavity.
As shown in fig. 1 to 3, a left blowing area is formed between the upper drawing roll 2 and the lower transition rolls 3 at two sides right below, and each left blowing pipe 5 is respectively positioned at the left side of the left blowing area. And a right blowing area is formed between the lower transition roller 3 and the upper traction rollers 2 on two sides right above the lower transition roller, and each right blowing pipe 7 is respectively positioned on the right side of the right blowing area. The left blowpipe 5 positioned in the left blowing area and the right blowpipe 7 positioned in the right blowing area blow air oppositely, and the air inlet directions of the left blowpipe 5 and the right blowpipe 7 are opposite. So that the hot air and the temperature received by the surfaces of the battery diaphragms positioned at different positions in the baking cavity are uniform.
As shown in fig. 1, the air inlet of the left blowing pipe 5 is opened at the upper end of the left blowing pipe 5, and the air inlet of the right blowing pipe 7 is opened at the lower end of the right blowing pipe 7. The temperature of the hot air at the upper part and the lower part in the drying cavity is balanced, so that the temperature in the whole drying cavity is balanced. Valves are uniformly arranged on the left blowing pipe 5 and the right blowing pipe 7 and used for adjusting air outlet pressure, the left blowing pipe 5 and the right blowing pipe 7 are preferably made of stainless steel pipes, the pipeline interfaces are connected through flanges, and the flange sections are sealed through high-temperature-resistant sealing materials. In order to ensure the temperature stability in the production process, the wind speeds of the left blowing pipe 5 and the right blowing pipe 7 on the two sides in the box body 1 need to be measured, the left blowing pipe 5 and the right blowing pipe 7 are relatively balanced through valve adjustment, and the error is less than or equal to 5%.
As shown in figure 1, the pipeline of the air inlet pipe 4 is provided with a blower 9, a heating bag 10 and an air inlet static pressure box 11. The heating bag 10 heats the air in the pipeline, the blower 9 drives the hot air on the pipeline to supply to the drying cavity, and the air inlet static pressure box 11 reduces the noise and increases the hot air conveying distance.
As shown in fig. 1, an air return inlet 12 is formed in the top of the box body 1, the air return inlet 12 is connected with an air return pipe 13, a return air static pressure box 14 is arranged on a pipeline of the air return pipe 13, and an air outlet of the air return pipe 13 is connected with an air inlet of the blower 9. An air supply opening 15 is arranged on the air return pipe 13 between the air return static pressure box 14 and the blower 9, and an adjusting valve is arranged on the air supply opening 15. External cold air enters the air blower 9 through the air supplementing opening 15 through the adjusting valve, so that the air pressure in the box body 1 is adjusted, negative pressure is prevented from being generated in the box body 1, the external cold air is prevented from entering the box body 1, the temperature in the box body 1 is reduced, and the influence on the stability of the performance of a battery diaphragm in heat treatment due to the fluctuation of the temperature in the box body 1 is prevented. The return air plenum 14 reduces noise and increases the hot air delivery distance. The return air pipe 13 comprises a return air main pipe and a return air calandria communicated with the return air main pipe, and an air inlet of the return air calandria is communicated with the return air inlet 12 at the top of the box body 1. The air return main pipe is communicated with the air inlet pipe 4, the air return static pressure box 14 is arranged on the air return main pipe, and the air return main pipe is provided with an air supplementing opening for adjusting the air pressure condition in the box body 1. The inner surface of the box body 1 is coated by thin-wall stainless steel plates and comprises an upper surface, a lower surface and a peripheral surface, seams are neat and flat, each air pipe which is led into the box body 1 is provided with holes on the side surface and the top surface of the box body 1, and the opening is tightly pressed by matching an end cover with a pipe sleeve to ensure that foreign matters outside the box body 1 cannot enter the box body 1.
As shown in fig. 2, a plurality of stepping beams 16 are arranged in the box body 1, each stepping beam 15 is arranged in the box body 1 in the left-right direction, and the stepping beams 16 are respectively located in the left blowing area and the right blowing area. The level of the stepping beam 16 is higher than the lower transition roller 3 and lower than the left 5 and right 7 blowpipes. The stepping cross beam 16 is made of stainless steel square tubes, and two ends of the stepping cross beam 16 are respectively fixed on two sides of the box body 1. The mark time crossbeam 16 is located transition roller 3 top, controls the blowing pipe below about, makes things convenient for the workman to change the membrane and rolls up the time and carry out the operation of wearing the membrane, also makes things convenient for the workman to maintain and clean the guide roll face to the inside spare part of box 1 simultaneously.
Example two
As shown in fig. 5 and 6, on the basis of the first embodiment, a partition 17 is disposed in the box body 1 in the second embodiment, and the partition 17 divides the inner cavity of the box body 1 into an upper cavity and a lower cavity, where the upper cavity is a baking cavity. A plurality of air cylinders 18 are arranged in the lower cavity, push rods of the air cylinders 18 are connected with the partition plate 17, and the air cylinders are suitable for driving the partition plate 17 to move up and down in the box body 1 so as to regulate and control the space size of the drying cavity. The partition board 17 moves up and down in the box body 1 to regulate and control the space size of the drying cavity, so that the volume of the drying cavity can be effectively reduced, and the heat preservation effect is improved.
The lithium battery diaphragm production line is connected with a plurality of battery diaphragm drying oven devices in series to form dynamic heat treatment complete equipment so as to meet the requirement of long heat treatment time of the lithium battery diaphragm. The plant preferably uses 6-8 sets of series connected and combined line speeds to meet all lithium battery separator product requirements. The inlet and outlet guide rollers and the side plates of the complete equipment are arranged on the front side and the rear side, and the required heat treatment time can be achieved by adopting a mode that the complete equipment is tightly connected in series in the middle. The inlet guide roller and the outlet guide roller are respectively connected with the front workshop section equipment and the rear workshop section equipment of the production line, so that the battery diaphragm on the production line continuously passes through, the specific positions of the inlet guide roller and the outlet guide roller are adjusted according to actual conditions, the requirements of process production are met, and continuous production is realized.
The specific operation process of this embodiment is:
the external battery diaphragm enters the drying cavity from the film inlet, sequentially and alternately bypasses the lower transition roller 3 and the upper traction roller 2 from front to back, and finally is discharged out of the box body 1 from the film outlet.
The cylinder 18 is started, the push rod of the cylinder 18 drives the partition plate 17 to move up and down in the box body 1, so that the proper space size of the drying cavity is regulated and controlled, the volume of the drying cavity is reduced and reduced, the heat insulation effect is improved, and the requirements of the battery diaphragm to be subjected to heat treatment are met.
Outside cold air enters the air blower 9 through the air supplementing opening 15, meanwhile, the air blower 9 extracts air in the air return pipe 13 to enter the air inlet pipe 4, and then the air enters the air inlet static pressure box 11 after being heated by the heating bag 10 to reduce noise. Hot air in the air inlet static pressure box 11 respectively enters the left air blowing pipe group and the right air blowing pipe group. The hot air in each left blowpipe 5 is discharged to the right from the air outlet 6, the hot air in each right blowpipe 7 is discharged to the left from the air outlet 8, the blown air is parallel to the surface of the battery diaphragm in the drying cavity, and the battery diaphragm in the drying cavity is subjected to heat treatment.
To sum up use this utility model's battery diaphragm oven device, diaphragm conveyer's upper and lower transition roller set is the wave interval and arranges, controls the blowing pipe and is located the both sides of box, and perpendicular with the deflector roll. The battery diaphragm enters from the lower part of the box body, hot air in the air inlet pipe passes through the vertical air blowing pipes on the two sides of the box body, and the blown air is parallel to the surface of the battery diaphragm in the drying cavity. The left blowpipe located in the left blowing area and the right blowpipe located in the right blowing area blow oppositely, and the air inlet directions of the left blowpipe and the right blowpipe are opposite. So that the hot air and the temperature received by the surfaces of the battery diaphragms positioned at different positions in the baking cavity are uniform. Compared with single-side blowing, double-side blowing can obtain the battery diaphragm with more uniform air permeability and thickness. The heat treatment process is continuous, the temperature field in the box body is uniform, and the stability of the film crystallinity, the lamella thickness, the tensile strength, the rebound rate and other properties of the heat-treated films of each batch is ensured.
Set up air inlet static pressure case in the air-supply line, set up return air static pressure case in the return air pipe, stabilize the air current and reduce the air current vibration, the wind pressure is more stable, and wind blows farther, and the noise reduces, the amount of wind evenly distributed.
The crossbeam of marking time is located transition roller top, controls the blowing pipe below down, makes things convenient for the workman to change and carries out the membrane operation of wearing when rolling up, is convenient for the workman to maintain the inside spare part of box and clean the guide roll face simultaneously.
The baffle plate moves up and down in the box body to regulate and control the space size of the drying cavity, so that the volume of the drying cavity can be effectively reduced, and the heat preservation effect is improved.
The design is ingenious, the structure is compact, the operation is convenient, the temperature in the box body is uniform, the control precision is high, and the heat treatment effect is good.
In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (9)
1. The battery diaphragm oven device is characterized by comprising a box body (1), wherein a diaphragm inlet is formed in the front side of the box body (1), and a diaphragm outlet is formed in the rear side of the box body (1);
a drying cavity is formed in the box body (1), and a diaphragm conveying device and a blowing system are arranged in the drying cavity;
the diaphragm conveying device is suitable for conveying the battery diaphragm entering the drying cavity;
the blowing system is suitable for blowing the battery diaphragm conveyed in the drying cavity.
2. The battery separator oven apparatus of claim 1, wherein the separator transfer apparatus comprises an upper set of draw rolls and a lower set of transition rolls;
each upper traction roller (2) of the upper traction roller group is arranged in the baking cavity in the left-right direction and distributed in the front-back direction;
each lower transition roller (3) of the lower transition roller group is arranged in the baking cavity in the left-right direction and distributed in the front-back direction;
each upper drawing roll (2) of the upper drawing roll group and each lower transition roll (3) of the lower transition roll group are arranged in a vertically staggered mode.
3. The battery separator oven device according to claim 2, wherein said blowing system comprises an air inlet duct (4), a left blowing duct group and a right blowing duct group, said air inlet duct (4) being connected to the left blowing duct group and the right blowing duct group, respectively, adapted to supply hot air to each blowing duct;
each left blowing pipe (5) of the left blowing pipe group is vertically arranged, a row of air outlet holes (6) are formed in the left blowing pipes (5) along the length direction, and the air outlet holes (6) of the left blowing pipes (5) are arranged towards the right;
each right blowpipe (7) of the right blowpipe group is vertically arranged, a row of air outlet holes (8) are formed in the right blowpipe (7) along the length direction, and the air outlet holes (8) of the right blowpipe (7) are arranged towards the left;
the left blowpipe (5) and the right blowpipe (7) are arranged in a left-right staggered mode.
4. The battery diaphragm baking oven device according to claim 3, characterized in that a left blowing area is formed between the upper drawing roller (2) and the lower transition rollers (3) at two sides right below the upper drawing roller, and each left blowing pipe (5) is respectively positioned at the left side of the left blowing area;
and a right blowing area is formed between the lower transition roller (3) and the upper traction rollers (2) on two sides right above the lower transition roller, and the right blowing pipes (7) are respectively positioned on the right side of the right blowing area.
5. The battery separator oven device according to claim 4, wherein the air inlet of the left blowpipe (5) is formed at the upper end of the left blowpipe (5), and the air inlet of the right blowpipe (7) is formed at the lower end of the right blowpipe (7).
6. The battery separator oven device according to claim 3, characterized in that the air inlet pipe (4) is provided with a blower (9), a heating bag (10) and an air inlet plenum box (11) on its piping.
7. The battery diaphragm oven device according to claim 6, wherein a return air inlet (12) is formed in the top of the box body (1), the return air inlet (12) is connected with a return air pipe (13), a return air static pressure box (14) is arranged on a pipeline of the return air pipe (13), and an air outlet of the return air pipe (13) is connected with an air inlet of the blower (9);
and an air supplementing opening (15) is arranged on the air return pipe (13) between the air return static pressure box (14) and the blower (9).
8. The battery diaphragm oven device according to claim 4, wherein a plurality of stepping beams (16) are arranged in the box body (1), each stepping beam (16) is arranged in the box body (1) in the left-right direction, and the stepping beams (16) are respectively positioned in the left blowing area and the right blowing area;
the horizontal height of the stepping beam (16) is higher than that of the lower transition roller (3) and lower than that of the left blowpipe (5) and the right blowpipe (7).
9. The battery diaphragm oven device according to claim 4, wherein a partition plate (17) is arranged in the box body (1), the partition plate (17) divides an inner cavity of the box body (1) into an upper cavity and a lower cavity, the upper cavity is the baking cavity, a plurality of air cylinders (18) are arranged in the lower cavity, push rods of the air cylinders (18) are connected with the partition plate (17) and are suitable for driving the partition plate (17) to move up and down in the box body (1) so as to regulate and control the space size of the baking cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921074928.9U CN210211047U (en) | 2019-07-10 | 2019-07-10 | Battery diaphragm oven device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921074928.9U CN210211047U (en) | 2019-07-10 | 2019-07-10 | Battery diaphragm oven device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210211047U true CN210211047U (en) | 2020-03-31 |
Family
ID=69936843
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921074928.9U Active CN210211047U (en) | 2019-07-10 | 2019-07-10 | Battery diaphragm oven device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210211047U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110202726A (en) * | 2019-07-10 | 2019-09-06 | 江苏安瑞达新材料有限公司 | Battery diaphragm baking oven device |
-
2019
- 2019-07-10 CN CN201921074928.9U patent/CN210211047U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110202726A (en) * | 2019-07-10 | 2019-09-06 | 江苏安瑞达新材料有限公司 | Battery diaphragm baking oven device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| FI79083B (en) | FOERFARANDE OCH ANORDNING FOER ATT BOEJA GLASSKIVOR I HORISONTALT LAEGE. | |
| CN101872807B (en) | Method for producing back panel of solar photovoltaic module and production equipment | |
| CN107285084A (en) | Pole piece hot blast automates drying system | |
| CN210211047U (en) | Battery diaphragm oven device | |
| CN1851958A (en) | Cell polar-piece coating continuous-rolling system | |
| CN110202726A (en) | Battery diaphragm baking oven device | |
| WO2021258609A1 (en) | Thickness fixing apparatus for continuous foam material | |
| CN112337718A (en) | Precision coating machine for rubber coated fabric | |
| CN101551685B (en) | Temperature and humidity control system and method thereof | |
| CN213936452U (en) | Lithium battery diaphragm casting film back cooling device | |
| CN202053442U (en) | Cooling roller device on rear section of flattener | |
| CN206927310U (en) | Pole piece hot blast automates drying system | |
| CN112657800A (en) | A oven device for making offset printing CTP plate material | |
| CN114986864B (en) | Battery diaphragm stretching production line and stretching method thereof | |
| CN217250339U (en) | Coating drying device | |
| CN202700742U (en) | Efficient energy-saving combined double-side coating machine for battery pole plates | |
| CN209851411U (en) | New forms of energy lithium cell diaphragm thermal treatment on-line control equipment | |
| CN211591809U (en) | Device for cooling paper in printing process | |
| CN211917477U (en) | Cooling system for rolled film forming process | |
| CN215791723U (en) | PE film blow molding machine with stable dew point temperature | |
| CN203228339U (en) | Membrane-forming system for preparing perfluorinated ionic membrane by adopting tape-casting method | |
| CN201321431Y (en) | On-line coated environment adjusting device of lehr AO area of float glass production line | |
| CN217670988U (en) | Chill roll with temperature regulation | |
| CN220095292U (en) | Continuous water-cooled regenerated rubber belt cooling device | |
| CN220594381U (en) | Lettering film laminating device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |