A hydrogen fuel cell membrane preparation device and a preparation method

Abstract

The present invention relates to the technical field of battery membrane preparation, and specifically discloses a device and a preparation method for preparing a hydrogen fuel cell membrane, including: a calender, a chute communicated with its inner cavity is opened at the left end of the front side of the calender along the left-right direction; the number of guide rods is two, and the left and right ends of the two guide rods are respectively arranged at the upper and lower ends of the left and right sides of the inner cavity of the chute; a stretching block is slidably and adaptively inserted into the inner cavity of the chute, and the stretching block is slidably sleeved on the outer wall of the guide rod; a first spring is sleeved on the outer wall of the guide rod, one end of the first spring is clamped on the left side of the inner cavity of the chute, and the other end of the first spring is clamped on the right side of the stretching block; an adjusting mechanism is arranged on the right side of the calender. When the device is in use, it can effectively reduce the rebound rate of the battery membrane, maintain a relatively stable thickness of the battery membrane, and the device can timely monitor the thickness of the battery membrane, so as to effectively control the thickness of the film and prevent defective products from flowing into the market.

Description

Technical Field

[0001] The present invention relates to the technical field of battery membrane preparation, and specifically to a device and method for preparing a hydrogen fuel cell membrane. Background Art

[0002] With the increasing global demand for clean energy, hydrogen fuel cells, as an efficient and environmentally friendly energy conversion technology, have received extensive attention. In the production process of hydrogen fuel cells, the quality of the battery membrane directly affects the performance and lifespan of the battery. Therefore, how to efficiently prepare high-quality hydrogen fuel cell membranes has become the focus of industry research; during the preparation of the battery membrane, the material may experience a springback phenomenon after calendering, that is, after the stress applied from the outside is released, the internal stress of the material will cause the battery membrane to recover and deform, resulting in inconsistent thickness of the film.

[0003] However, traditional hydrogen fuel cell membrane preparation devices often do not have a thickness detection mechanism. The springback phenomenon is mainly caused by residual stress generated during the calendering process. These residual stresses will cause the battery membrane to return to its original state or close to its original state after the pressure is released, resulting in uneven thickness. Under the influence of the springback phenomenon, the performance of the battery membrane may be unstable, the electrochemical performance may deteriorate, and the effect may be uneven, thus affecting the overall effect of the electro-membrane device. Summary of the Invention

[0004] In order to overcome the problems existing in the prior art, the present invention proposes an innovative device and method for preparing a hydrogen fuel cell membrane. By introducing a high-precision calendering and heating system and combining advanced thickness detection and automatic adjustment technologies, it can effectively reduce the springback rate of the battery membrane and maintain the thickness stability of the membrane. At the same time, the present invention also has a real-time monitoring and alarm function, which can timely remind the operator to make adjustments to ensure that the produced battery membrane meets the quality standards.

[0005] To achieve the above object, the present invention provides the following technical solution: A hydrogen fuel cell membrane preparation device, comprising: a calender, a chute communicating with its inner cavity is provided at the left end of the front side of the calender in the left-right direction; the number of guide rods is two, and the left and right ends of the two guide rods are respectively arranged at the upper and lower ends of the left and right sides of the inner cavity of the chute; a stretching block is slidably and adaptively inserted into the inner cavity of the chute, and the stretching block is slidably sleeved on the outer wall of the guide rod; a first spring is sleeved on the outer wall of the guide rod, one end of the first spring is clamped on the left side of the inner cavity of the chute, and the other end of the first spring is clamped on the right side of the stretching block; an adjusting mechanism is arranged on the right side of the calender; a detection mechanism is arranged on the right side of the adjusting mechanism; the number of limiting cylinders is four, the four limiting cylinders are respectively arranged at the left and right ends of the front and rear sides of the calender, and a limiting groove communicating with its inner cavity is provided at the outer end of the inner side of the limiting cylinder; the number of support blocks is four, the four support blocks are respectively arranged at the left and right ends of the front and rear sides of the calender; the front and rear ends of the first heating roller are respectively rotatably arranged at the left ends of the front and rear sides of the inner cavity of the adjusting mechanism through bearings; the front and rear ends of the second heating roller are respectively rotatably arranged at the bottom of the left ends of the front and rear sides of the inner cavity of the calender through bearings; the battery membrane is placed in the inner cavity of the calender, and the battery membrane is in contact with the outer walls of the first heating roller and the second heating roller.

[0006] Preferably, the hydrogen fuel cell membrane preparation device further comprises: a first sprocket, the first sprocket is sleeved on the front side of the outer wall of the first heating roller and locked by a setscrew; a first gear is sleeved on the front side of the outer wall of the second heating roller and locked by a setscrew; the front end of the first connecting rod is rotatably arranged at the left end of the front side of the inner cavity of the calender through a bearing; a second sprocket is sleeved on the front side of the outer wall of the first connecting rod and locked by a setscrew; a second gear is sleeved on the rear side of the outer wall of the first connecting rod and locked by a setscrew, and the second gear meshes with the first gear; the front end of the second connecting rod is rotatably arranged at the middle of the rear side of the stretching block through a bearing; a third sprocket is sleeved on the outer wall of the second connecting rod and locked by a setscrew; a chain is sleeved on the outer walls of the first sprocket, the second sprocket and the third sprocket; a first motor is screwed to the front side of the calender, and the front end of the second heating roller is locked to the output end of the first motor through a coupling.

[0007] Preferably, a support roller is rotatably arranged at the right end of the inner cavity of the calender through a bearing, the battery membrane is in contact with the outer wall of the support roller, and the top end of the support roller and the top end of the second heating roller are on the same horizontal line.

[0008] Preferably, in order to adjust the calendering thickness of the battery film, the adjusting mechanism includes: a shielding frame, the number of shielding frames is two, and the two shielding frames are respectively arranged at the right ends of the front and rear sides of the calender; the number of second motors is two, and the two second motors are respectively connected to the front and rear sides of the calender by screws; the bottom end of the screw rod is locked to the output end of the second motor through a coupling, and the top end of the screw rod is rotatably arranged at the middle of the bottom end of the shielding frame through a bearing; the middle part of the support plate is screwed to the outer wall of the screw rod, and the front and rear ends of the first heating roller are respectively rotatably arranged at the left ends of the inner sides of the two support plates through bearings; the number of the first support rods is four, the top ends of the four first support rods are respectively arranged at the left and right sides of the bottom ends of the two support plates, and the bottom ends of the first support rods are slidably inserted into the inner cavities of the limiting cylinders corresponding to their positions in a matching manner.

[0009] Preferably, in order to ensure the stability of movement, the adjusting mechanism further includes: two first rotating rods, the left and right sides of the outer walls of the two first rotating rods are respectively rotatably arranged in the inner cavities of the four support blocks through bearings; the number of the first limiting gears is four, the four first limiting gears are respectively sleeved on the left and right sides of the outer walls of the two first rotating rods and locked by set screws, and the four first limiting gears respectively penetrate through the four limiting grooves and mesh with the four first support rods; the number of the second rotating rods is two, the front and rear sides of the outer walls of the two second rotating rods are respectively rotatably arranged at the left and right ends of the front and rear sides of the inner cavity of the calender, and the front and rear ends of the second rotating rods extend out of the outside of the calender; the number of the second limiting gears is four, the four second limiting gears are respectively sleeved on the front and rear sides of the outer walls of the two second rotating rods and locked by set screws, and the four second limiting gears respectively penetrate through the four limiting grooves and mesh with the four first support rods.

[0010] Preferably, in order to adjust the error value of the battery film thickness, the detection mechanism includes: an insulating shell, the front and rear sides of the insulating shell are respectively arranged at the right ends of the inner sides of the two support plates, the front and rear sides of the insulating shell are respectively provided with moving grooves communicating with its inner cavity along the circumferential direction, the front and rear sides of the insulating shell are respectively provided with a plurality of clamping grooves along the circumferential direction, the front and rear sides of the insulating shell are respectively provided with scale lines, and the scale lines match the moving grooves; the number of the shielding plates is two, the right ends of the inner sides of the two shielding plates are respectively rotatably arranged at the front and rear sides of the insulating shell through pins; the second spring is embedded in the inner cavity of the shielding plate, and the outer end of the second spring is clamped to the outer side of the inner cavity of the shielding plate; a part of the clamping ball is embedded in the inner cavity of the shielding plate, the other part of the clamping ball extends into the inner cavity of the clamping groove corresponding to its position, and the inner end of the second spring is clamped to the outer wall of the clamping ball.

[0011] Preferably, in order to detect the thickness of the battery membrane, the detection mechanism includes: an insulating cylinder, the number of insulating cylinders is two, the middle parts of the outer walls of the two insulating cylinders are respectively slidably and adaptively inserted into the inner cavities of the two moving grooves, and the outer wall of the insulating cylinder contacts the top end of the baffle; the front and rear ends of the conductive cylinder are respectively arranged at the inner ends of the two insulating cylinders; a wire is arranged in the inner cavity of the conductive cylinder, the wire is electrically connected to the conductive cylinder, and the rear end of the wire extends out of the inner cavity of the insulating cylinder at the rear side; the front and rear ends of the second support rod are respectively arranged at the front and rear sides on the right end of the inner cavity of the insulating housing; the number of connecting columns is two, one ends of the two connecting columns are respectively rotatably arranged on the front and rear sides of the outer wall of the second support rod through bearings; the number of worm wheels is two, the two worm wheels are respectively arranged on the inner sides of the two connecting columns, and the worm wheels are rotatably sleeved on the outer wall of the second support rod through bearings; the number of worm shafts is two, the two worm shafts are respectively rotatably arranged on the front and rear sides of the top end of the insulating housing through bearings, the bottom ends of the worm shafts extend into the inner cavity of the insulating housing, and the worm shafts are meshed with the worm wheels; the number of conductive rods is several, the several conductive rods are respectively rotatably arranged on the outer wall of the second support rod at equal intervals in the front and rear directions through bearings, and the bottom ends of the conductive rods extend out of the bottom end of the insulating housing; a plastic rolling ball is rotatably arranged at the bottom end of the conductive rod, and the position of the plastic rolling ball corresponds to the position of the support roller; a warning lamp is arranged on the right side of the outer wall of the conductive rod, and the warning lamp is electrically connected to the conductive rod; a loudspeaker is arranged on the right side of the outer wall of the conductive rod, and the loudspeaker is electrically connected to the conductive rod.

[0012] Preferably, the bottom end of the plastic rolling ball and the bottom end of the outer wall of the first heating roller are on the same horizontal line.

[0013] Preferably, the center of the moving groove and the centers of several circumferentially arranged clamping grooves are the pin connection positions of the baffle and the insulating housing.

[0014] The present invention also proposes a method for preparing a hydrogen fuel cell membrane, which is applied in a hydrogen fuel cell membrane preparation device, and specifically includes the following steps:

[0015] Step 1: Start the first motor, the first heating roller and the second heating roller. Use the first motor to drive the second heating roller to rotate. The rotation of the second heating roller drives the first gear to rotate. The rotation of the first gear causes the second gear to drive the second sprocket to rotate in the opposite direction of the first gear through the first connecting rod. Thus, use the second sprocket to drive the first sprocket to rotate through the chain and the third sprocket. Furthermore, use the first sprocket to drive the first heating roller to rotate in the opposite direction of the second heating roller. Electrify the conductive cylinder with a wire. Rotate the two shutter plates according to the allowable error value of the battery film. The rotation of the shutter plates uses the card slots to squeeze the ball to move into the inner cavity of the shutter plate, and squeezes the second spring to elastically deform until the shutter plates rotate to an appropriate position according to the scale lines. Under the elastic force of the second spring, the ball is squeezed to move into the inner cavity of the current card slot corresponding to its position. Use the shutter plates to block the insulating cylinder. Rotate the worm. Synchronously rotate the two worms to cause the worm wheels to drive the connecting column to rotate. Thus, use the connecting column to drive the insulating cylinder and the conductive cylinder to rotate until the insulating cylinder contacts the shutter plates. Pour the materials used for preparing the battery film into the inner cavity of the calender through the top of the calender, and use the calender to extrude and form the materials. Use the cooperation between the first heating roller and the second heating roller to heat and extrude the battery film. Heating and extruding the battery film reduces the internal stress of the material and promotes molecular rearrangement and structural stability, thereby reducing the rebound rate of the battery film;

[0016] Step 2: After the extrusion of the battery film is completed, use the detection mechanism to detect the thickness of the battery film. Since the bottom ends of the plastic balls and the first heating roller are on the same horizontal line, when the battery film moves over the plastic balls, if the battery film rebounds, the battery film will push the plastic balls to rotate and drive the conductive rod to rotate around the second support rod. If the rebound value of the battery film exceeds the set value, it will cause the conductive rod to contact the conductive cylinder, and then supply power to the speaker and the warning light. Use the speaker and the warning light to issue an alarm, thereby reminding the staff, facilitating the staff to adjust the product, and preventing unqualified battery films from flowing into the market;

[0017] Step 3: If it is necessary to adjust the calendering thickness of the battery film, start the second motor. The second motor drives the screw to rotate. The rotational force generated by the rotation of the screw causes the support plate to drive the first heating roller, the insulating housing, and the first support rod to move upward or downward. When the first heating roller moves upward, the chain is used to pull the third sprocket, and through the second connecting rod, the stretching block is driven to move to the right, and the first spring is stretched to generate elastic deformation, thereby adjusting the calendering thickness of the battery film. When the first support rod moves, it causes the first limit gear to drive the first rotating rod to rotate, and the second limit gear drives the second rotating rod to rotate. The cooperation among the first limit gear, the first rotating rod, and the first support rod enables the support plate to move stably, ensuring that its left and right sides are always in a horizontal state, and further ensuring that the bottom end of the first heating roller and the bottom end of the plastic ball are always on the horizontal turntable. The cooperation among the second limit gear, the second rotating rod, and the first support rod ensures the stability of the front and rear sides of the first heating roller and the front and rear sides of the insulating housing when they move, thus ensuring that they are always in a horizontal state and preventing errors during detection.

[0018] A hydrogen fuel cell membrane preparation device and preparation method proposed by the present invention have the following beneficial effects:

[0019] 1. The present invention uses a calender to calender the battery film, and the cooperation between the first heating roller and the second heating roller can heat and calender the battery film, thereby reducing the rebound rate of the battery film.

[0020] 2. The present invention uses the cooperation between the plastic ball and the conductive rod to detect the thickness of the battery film. If the thickness of the battery film exceeds the allowable error value, it will cause the conductive rod and the conductive cylinder to contact. The cooperation among the wire, the conductive cylinder, and the conductive rod can supply power to the speaker and the warning light, and then cause an alarm to be issued to remind the staff.

[0021] 3. The present invention uses the cooperation between the second motor and the screw to cause the first heating roller and the insulating housing to move up and down, and then adjust the calendering angle of the battery film. The cooperation among the first limit gear, the first rotating rod, the second limit gear, the second rotating rod, and the first support rod can ensure the stability of the movement of the first heating roller and the insulating housing, avoiding errors in detection.

[0022] 4. When this device is in use, it can effectively reduce the rebound rate of the battery film, maintain a relatively stable thickness of the battery film, and this device can timely monitor the thickness of the battery film, thereby effectively controlling the thickness of the film and preventing defective products from flowing into the market. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 is a schematic structural diagram of the present invention;

[0024] Figure 2Explosion diagram of the present invention;

[0025] Figure 3 Explosion diagram of the adjusting mechanism;

[0026] Figure 4 Explosion diagram of the detection mechanism;

[0027] Figure 5 Structural schematic diagram of the plastic ball;

[0028] Figure 6 is Figure 2 Enlarged view of part A in;

[0029] Figure 7 is Figure 2 Enlarged view of part B in;

[0030] Figure 8 is Figure 2 Enlarged view of part C in;

[0031] Figure 9 is Figure 2 Enlarged view of part D in;

[0032] Figure 10 is Figure 3 Enlarged view of part E in;

[0033] Figure 11 is Figure 4 Enlarged view of part F in;

[0034] Figure 12 is Figure 4 Enlarged view of part G in.

[0035] In the figure: 1, calender; 2, chute; 3, guide rod; 4, stretching block; 5, first spring; 6, adjusting mechanism; 61, shielding frame; 62, second motor; 63, screw rod; 64, support plate; 65, first support rod; 66, first rotating rod; 67, first limiting gear; 68, second rotating rod; 69, second limiting gear; 7, detection mechanism; 71, insulating housing; 72, moving groove; 73, clamping groove; 74, scale line; 75, shielding plate; 76, second spring; 77, clamping ball; 78, insulating cylinder; 79, conductive cylinder; 710, wire; 711, second support rod; 712, connecting column; 713, worm gear; 714, worm; 715, conductive rod; 716, plastic ball; 717, warning lamp; 718, speaker; 8, limiting cylinder; 9, limiting groove; 10, support block; 11, battery film; 12, first heating roller; 13, second heating roller; 14, first sprocket; 15, first gear; 16, first connecting rod; 17, second sprocket; 18, second gear; 19, second connecting rod; 20, third sprocket; 21, chain; 22, first motor; 23, support roller. Detailed implementation manners

[0036] The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.

[0037] Please refer to Figures 1 - 12, the present invention provides a technical solution for a hydrogen fuel cell membrane preparation device, including: a calender 1, a chute 2, a guide rod 3, a stretching block 4, a first spring 5, an adjusting mechanism 6, a detecting mechanism 7, a limiting cylinder 8, a limiting groove 9, a supporting block 10, a battery membrane 11, a first heating roller 12, a second heating roller 13, a first sprocket 14, a first gear 15, a first connecting rod 16, a second sprocket 17, a second gear 18, a second connecting rod 19, a third sprocket 20, a chain 21, a first motor 22, and a supporting roller 23. A chute 2 communicating with its inner cavity is provided at the left end of the front side of the calender 1 in the left-right direction. The calender 1 is a prior art and will not be elaborated here. The calender 1 is used to calender the battery membrane 11. The number of guide rods 3 is two, and the left and right ends of the two guide rods 3 are respectively arranged at the upper and lower ends of the left and right sides of the inner cavity of the chute 2. The guide rod 3 is used to support and limit the stretching block 4. The stretching block 4 is slidably and adaptively inserted into the inner cavity of the chute 2 and is slidably sleeved on the outer wall of the guide rod 3. The stretching block 4 is used to support the first connecting rod 16. The first spring 5 is sleeved on the outer wall of the guide rod 3. One end of the first spring 5 is clamped to the left side of the inner cavity of the chute 2, and the other end of the first spring 5 is clamped to the right side of the stretching block 4. The first spring 5 is a rotary spring, which undergoes elastic deformation when subjected to external force pressurization or stretching and returns to its initial state after the external force is removed. The first spring 5 is used to pull the stretching block 4 to move to the left side here. The adjusting mechanism 6 is arranged on the right side of the calender 1. The adjusting mechanism 6 is used to adjust the calendering thickness of the battery membrane 11. The detecting mechanism 7 is arranged on the right side of the adjusting mechanism 6. The detecting mechanism 7 is used to detect the thickness of the battery membrane 11. The number of limiting cylinders 8 is four, and the four limiting cylinders 8 are respectively arranged at the left and right ends of the front and rear sides of the calender 1. A limiting groove 9 communicating with its inner cavity is provided at the outer end of the inner side of the limiting cylinder 8. The limiting cylinder 8 is used to limit the first support rod 65. The number of supporting blocks 10 is four, and the four supporting blocks 10 are respectively arranged at the left and right ends of the front and rear sides of the calender 1. The supporting block 10 is used to support the first rotating rod 66. The front and rear ends of the first heating roller 12 are respectively rotatably arranged at the left ends of the front and rear sides of the inner cavity of the adjusting mechanism 6 through bearings. The front and rear ends of the second heating roller 13 are respectively rotatably arranged at the left bottom ends of the front and rear sides of the inner cavity of the calender 1 through bearings. The first heating roller 12 and the second heating roller 13 cooperate to heat and extrude the battery membrane 11. The battery membrane 11 is placed in the inner cavity of the calender 1, and the battery membrane 11 is in contact with the outer walls of both the first heating roller 12 and the second heating roller 13. The first sprocket 14 is sleeved on the front side of the outer wall of the first heating roller 12 and is locked by a set screw. The first gear 15 is sleeved on the front side of the outer wall of the second heating roller 13 and is locked by a set screw. The front end of the first connecting rod 16 is rotatably arranged at the left end of the front side of the inner cavity of the calender 1 through a bearing. The second sprocket 17 is sleeved on the front side of the outer wall of the first connecting rod 16 and is locked by a set screw. The second gear 18 is sleeved on the rear side of the outer wall of the first connecting rod 16 and is locked by a set screw. The second gear 18 and the first gear 15 are meshed with each other.The cooperation between the first gear 15 and the second gear 18 can prompt the first heating roller 12 and the second heating roller 13 to rotate in opposite directions. The front end of the second connecting rod 19 is rotatably arranged at the middle rear side of the stretching block 4 through a bearing. The third sprocket 20 is sleeved on the outer wall of the second connecting rod 19 and locked by a setscrew. The chain 21 is sleeved on the outer walls of the first sprocket 14, the second sprocket 17 and the third sprocket 20. The first motor 22 is screwed to the front side of the calender 1. The front end of the second heating roller 13 is locked to the output end of the first motor 22 through a coupling. The first motor 22 is used here to drive the second heating roller 13 to rotate. A support roller 23 is rotatably arranged at the right end of the inner cavity of the calender 1 through a bearing. The battery film 11 contacts the outer wall of the support roller 23. The top of the support roller 23 and the top of the second heating roller 13 are on the same horizontal line.

[0038] As a preferred solution, further, as Figure 3 and Figure 10As shown in the figure, the adjusting mechanism 6 includes: a shielding frame 61, a second motor 62, a screw rod 63, a support plate 64, a first support rod 65, a first rotating rod 66, a first limiting gear 67, a second rotating rod 68 and a second limiting gear 69. There are two shielding frames 61, which are respectively arranged at the right ends of the front and rear sides of the calender 1. There are two second motors 62, which are respectively connected to the front and rear sides of the calender 1 by screws. The second motor 62 is a prior art and is a servo motor. The second motor 62 is connected to a servo controller, which will not be elaborated here. The second motor 62 is used here to drive the screw rod 63 to rotate to promote the up and down movement of the support plate 64. The bottom end of the screw rod 63 is locked to the output end of the second motor 62 through a coupling, and the top end of the screw rod 63 is rotatably arranged in the middle of the bottom end of the shielding frame VI through a bearing. The middle part of the support plate 64 is screwed to the outer wall of the screw rod 63. The front and rear ends of the first heating roller 12 are respectively rotatably arranged on the left ends of the inner sides of the two support plates 64 through bearings. The support plate 64 is used to support the first heating roller 12 and the insulating housing 71. There are four first support rods 65. The top ends of the four first support rods 65 are respectively arranged on the left and right sides of the bottom ends of the two support plates 64. The bottom ends of the first support rods 65 are slidably inserted into the inner cavities of the corresponding limiting cylinders 8 in a matching manner. The cooperation between the first support rod 65 and the limiting cylinder 8 can only limit the support plate 64. There are two first rotating rods 66. The left and right sides of the outer walls of the two first rotating rods 66 are respectively rotatably arranged in the inner cavities of the four support blocks 10 through bearings. There are four first limiting gears 67. The four first limiting gears 67 are respectively sleeved on the left and right sides of the outer walls of the two first rotating rods 66 and are locked by set screws. The four first limiting gears 67 respectively penetrate through the four limiting grooves IX and mesh with the four first support rods 65. There are two second rotating rods 68. The front and rear sides of the outer walls of the two second rotating rods 68 are respectively rotatably arranged at the left and right ends of the front and rear sides of the inner cavity of the calender 1 through bearings. The front and rear ends of the second rotating rod 68 extend out of the calender 1. There are four second limiting gears 69. The four second limiting gears 69 are respectively sleeved on the front and rear sides of the outer walls of the two second rotating rods 68 and are locked by set screws. The four second limiting gears 69 respectively penetrate through the four limiting grooves IX and mesh with the four first support rods 65.

[0039] As a preferred solution, further, as Figure 4 , Figure 5 , Figure 11 and Figure 12As shown in the figure, the detection mechanism 7 includes: an insulating housing 71, a moving groove 72, a clamping groove 73, a scale line 74, a shielding plate 75, a second spring 76, a clamping ball 77, an insulating cylinder 78, a conductive cylinder 79, a wire 710, a second support rod 711, a connecting column 712, a worm gear 713, a worm 714, a conductive rod 715, a plastic ball 716, a warning light 717 and a speaker 718. The front and rear sides of the insulating housing 71 are respectively arranged at the inner right ends of two support plates 64. The front and rear sides of the insulating housing 71 are both circumferentially provided with moving grooves 72 communicating with its inner cavity. The front and rear sides of the insulating housing 71 are both circumferentially provided with a plurality of clamping grooves 73. The front and rear sides of the insulating housing 71 are both provided with scale lines 74, and the scale lines 74 are matched with the moving grooves 72. The number of shielding plates 75 is two. The inner right ends of the two shielding plates 75 are respectively rotatably arranged at the front and rear sides of the insulating housing 71 through pins. The shielding plate 75 is used to shield the insulating cylinder 78. The center of the moving groove 72 and the centers of a plurality of circumferentially arranged clamping grooves 73 are the pin connection positions of the shielding plate 75 and the insulating housing 71. The second spring 76 is embedded in the inner cavity of the shielding plate 75. The outer end of the second spring 76 is clamped to the outer side of the inner cavity of the shielding plate 75. The second spring 76 is a rotary spring, which undergoes elastic deformation after being externally squeezed or stretched and returns to its initial state after the external force is removed. The second spring 76 is used here to push the clamping ball 77 into the inner cavity of the clamping groove 73. A part of the clamping ball 77 is embedded in the inner cavity of the shielding plate 75, and the other part of the clamping ball 77 extends into the inner cavity of the clamping groove 73 matching its position. The inner end of the second spring 76 is clamped to the outer wall of the clamping ball 77. The cooperation between the clamping ball 77 and the clamping groove 73 can limit the shielding plate 75. The number of insulating cylinders 78 is two. The middle parts of the outer walls of the two insulating cylinders 78 are respectively slidably and adaptively inserted into the inner cavities of the two moving grooves 72. The outer wall of the insulating cylinder 78 contacts the top end of the shielding plate 75. The front and rear ends of the conductive cylinder 79 are respectively arranged at the inner ends of the two insulating cylinders 78. The wire 710 is arranged in the inner cavity of the conductive cylinder 79, and the wire 710 and the conductive cylinder 79 are electrically connected. The rear end of the wire 710 extends out of the inner cavity of the insulating cylinder 78 at the rear side. The front and rear ends of the second support rod 711 are respectively arranged at the inner front and rear sides of the right end of the insulating housing 71. The number of connecting columns 712 is two. One ends of the two connecting columns 712 are respectively rotatably arranged at the front and rear sides of the outer wall of the second support rod 711 through bearings. The number of worm gears 713 is two. The two worm gears 713 are respectively arranged on the inner sides of the two connecting columns 712. The worm gear 713 is rotatably sleeved on the outer wall of the second support rod 711 through a bearing. The number of worms 714 is two. The two worms 714 are respectively rotatably arranged at the front and rear sides of the top end of the insulating housing 71 through bearings. The bottom end of the worm 714 extends into the inner cavity of the insulating housing 71. The worm 714 meshes with the worm gear 713. The number of conductive rods 715 is several.A number of conductive rods 715 are rotatably arranged on the outer wall of the second support rod 711 at equal intervals along the front-back direction through bearings. The bottom end of the conductive rod 715 extends out of the bottom end of the insulating housing 71. A plastic ball 716 is rotatably arranged at the bottom end of the conductive rod 715. The position of the plastic ball 716 corresponds to the position of the support roller 23. The bottom end of the plastic ball 716 and the bottom end of the outer wall of the first heating roller 12 are on the same horizontal line, ensuring that the thickness of the battery film 11 can be detected by using the plastic ball 716. A warning light 717 is arranged on the right side of the outer wall of the conductive rod 715. The warning light 717 is electrically connected to the conductive rod 715. The warning light 717 is a prior art and will not be elaborated here. The warning light 717 is used to give an alarm here. A speaker 718 is arranged on the right side of the outer wall of the conductive rod 715. The speaker 718 is electrically connected to the conductive rod 715. The speaker 718 is a prior art and will not be elaborated here. The speaker 718 is used to give an alarm here.

[0040] The working principle specifically includes the following steps:

[0041] Step 1: Start the first motor 22, the first heating roller 12 and the second heating roller 13. Use the first motor 22 to drive the second heating roller 13 to rotate. The rotation of the second heating roller 13 drives the first gear 15 to rotate. The rotation of the first gear 15 causes the second gear 18 to drive the second sprocket 17 to rotate in the opposite direction to the first gear 15 through the first connecting rod 16. Thus, use the second sprocket 17 to drive the first sprocket 14 to rotate through the chain 21 and the third sprocket 20. Furthermore, use the first sprocket 14 to drive the first heating roller 12 to rotate in the opposite direction to the second heating roller 13. Electrify the conductive cylinder 79 through the wire 710. Rotate the two shutter plates 75 according to the allowable error value of the battery film 11. The rotation of the shutter plate 75 uses the card slot 73 to squeeze the ball 77 to move into the inner cavity of the shutter plate 75, and squeeze the second spring 76 to generate elastic deformation until the shutter plate 75 rotates to an appropriate position according to the scale line 74. Under the elastic force of the second spring 76, squeeze the ball 77 to move into the inner cavity of the current card slot 73 corresponding to its position. Use the shutter plate 75 to block the insulating cylinder 78. Rotate the worm 714. The synchronous rotation of the two worms 714 causes the worm wheel 713 to drive the connecting column 712 to rotate. Thus, use the connecting column 712 to drive the insulating cylinder 78 and the conductive cylinder 79 to rotate until the insulating cylinder 78 contacts the shutter plate 75. Pour the material for preparing the battery film into the inner cavity of the calender 1 through the top of the calender 1, and use the calender 1 to extrude and form the material. Use the cooperation between the first heating roller 12 and the second heating roller 13 to heat and extrude the battery film 11. Heating and extruding the battery film 11 reduces the internal stress of the material and promotes molecular rearrangement and structural stability, thereby reducing the springback rate of the battery film 11;

[0042] Step 2: After the extrusion of the battery film 11 is completed, the thickness of the battery film 11 is detected by using the detection mechanism 7. Since the bottom end of the plastic ball 716 and the bottom end of the first heating roller 12 are at the same horizontal line, when the battery film 11 moves over the plastic ball 716, if the battery film 11 rebounds, the battery film 11 will push the plastic ball 716 to rotate, and drive the conductive rod 715 to rotate with the second support rod 711 as the center of the circle. If the rebound value of the battery film 11 exceeds the set value, the conductive rod 715 will be prompted to contact the conductive cylinder 79, thereby powering the speaker 718 and the warning light 717. The speaker 718 and the warning light 717 are used to sound an alarm, thereby reminding the staff, making it easier for the staff to adjust the product and prevent unqualified battery films 11 from entering the market.

[0043] Step 3: If the rolled thickness of the battery film 11 needs to be adjusted, start the second motor 62, and use the second motor 62 to drive the screw 63 to rotate. The rotational force generated by the rotation of the screw 63 prompts the support plate 64 to drive the first heating roller 12, the insulating shell 71 and the first support rod 65 to move upward or downward. When the first heating roller 12 moves upward, the chain 21 is used to pull the third sprocket 20 through the second connecting rod 19 to drive the stretching block 4 to move to the right, and stretch the first spring 5 to cause elastic deformation, thereby adjusting the rolled thickness of the battery film 11. The movement of the first support rod 65 prompts the first limiting gear 67 to drive the first rotating rod 66 to Rotation, the second limiting gear 69 drives the second rotating rod 68 to rotate, and the cooperation between the first limiting gear 67, the first rotating rod 66 and the first support rod 65 is used to promote the stable movement of the support plate 64 to ensure that its left and right sides are always in a horizontal state, thereby ensuring that the bottom end of the first heating roller 12 and the bottom end of the plastic ball 716 are always on a horizontal turntable, and the cooperation between the second limiting gear 69, the second rotating rod 68 and the first support rod 65 is used to promote the stability of the front and rear sides of the first heating roller 12 and the front and rear sides of the insulating shell 71 when moving, thereby ensuring that they are always in a horizontal state, preventing errors during detection.

[0044] In summary, when used, this device can effectively reduce the rebound rate of the battery membrane 11 and maintain a relatively stable thickness of the battery membrane. In addition, this device can timely monitor the thickness of the battery membrane 11, thereby achieving effective control of the film thickness and preventing defective products from entering the market.

[0045] While embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions, and variations may be made to these embodiments without departing from the principles and spirit of the invention, and that the scope of the invention is defined by the appended claims and their equivalents.

Claims

1. A hydrogen fuel cell membrane preparation device, characterized in that: include: A calender (1), wherein a chute (2) communicating with an inner cavity of the calender (1) is provided at the front left end thereof in the left-right direction; Guide rods (3), the number of the guide rods (3) is two, and the left and right ends of the two guide rods (3) are respectively arranged at the upper and lower ends of the left and right sides of the inner cavity of the chute (2); A stretching block (4), the stretching block (4) can be slidably adapted to be inserted into the inner cavity of the slide groove (2), and the stretching block (4) can be slidably sleeved on the outer wall of the guide rod (3); A first spring (5), wherein the first spring (5) is sleeved on the outer wall of the guide rod (3), one end of the first spring (5) is clamped on the left side of the inner cavity of the slide groove (2), and the other end of the first spring (5) is clamped on the right side of the stretching block (4); An adjusting mechanism (6), wherein the adjusting mechanism (6) is arranged on the right side of the calender (1); A detection mechanism (7), the detection mechanism (7) being arranged on the right side of the adjustment mechanism (6); A limiting cylinder (8), wherein the number of the limiting cylinders (8) is four, and the four limiting cylinders (8) are respectively arranged at the front and rear sides and the left and right ends of the calender (1), and the inner and outer ends of the limiting cylinders (8) are provided with limiting grooves (9) communicating with the inner cavity thereof; Support blocks (10), the number of the support blocks (10) is four, and the four support blocks (10) are respectively arranged at the front and rear sides and the left and right ends of the calender (1); A first heating roller (12), wherein the front and rear ends of the first heating roller (12) are rotatably arranged at the front and rear left ends of the inner cavity of the adjustment mechanism (6) via bearings; A second heating roller (13), wherein the front and rear ends of the second heating roller (13) are rotatably arranged at the bottom of the left ends of the front and rear sides of the inner cavity of the calender (1) through bearings; A battery film (11), the battery film (11) being placed in the inner cavity of the calender (1), the battery film (11) being in contact with the outer walls of the first heating roller (12) and the second heating roller (13); The detection mechanism (7) comprises: An insulating shell (71), wherein the front and rear sides of the insulating shell (71) are respectively arranged at the inner right ends of the two support plates (64), the front and rear sides of the insulating shell (71) are both circumferentially provided with movable grooves (72) communicating with the inner cavity thereof, the front and rear sides of the insulating shell (71) are both circumferentially provided with a plurality of card slots (73), and the front and rear sides of the insulating shell (71) are both provided with scale lines (74), and the scale lines (74) and the movable grooves (72) match each other; Shielding plates (75), the number of the shielding plates (75) is two, and the inner right ends of the two shielding plates (75) are rotatably arranged on the front and rear sides of the insulating housing (71) through pins; a second spring (76), the second spring (76) being embedded in the inner cavity of the shielding plate (75), and the outer end of the second spring (76) being clamped to the outer side of the inner cavity of the shielding plate (75); A card ball (77), wherein a portion of the card ball (77) is embedded in the inner cavity of the shielding plate (75), another portion of the card ball (77) extends into the inner cavity of the card slot (73) that matches its position, and the inner end of the second spring (76) is engaged with the outer wall of the card ball (77); Insulating tubes (78), the number of the insulating tubes (78) is two, the middle portions of the outer walls of the two insulating tubes (78) are slidably adapted to be inserted into the inner cavities of the two movable grooves (72), and the outer walls of the insulating tubes (78) are in contact with the top end of the shielding plate (75); A conductive tube (79), wherein the front and rear ends of the conductive tube (79) are respectively arranged at the inner ends of the two insulating tubes (78); A wire (710), the wire (710) being disposed in the inner cavity of the conductive cylinder (79), the wire (710) and the conductive cylinder (79) being electrically connected, and the rear end of the wire (710) extending out of the inner cavity of the insulating cylinder (78) located at the rear side; A second support rod (711), wherein the front and rear ends of the second support rod (711) are respectively arranged at the front and rear right ends of the inner cavity of the insulating shell (71); Connecting columns (712), the number of the connecting columns (712) is two, and one end of the two connecting columns (712) is rotatably disposed on the front and rear sides of the outer wall of the second support rod (711) through bearings; A worm gear (713), wherein the number of the worm gears (713) is two, and the two worm gears (713) are respectively arranged on the inner sides of the two connecting columns (712), and the worm gears (713) are rotatably sleeved on the outer wall of the second support rod (711) through a bearing; A worm (714), wherein the number of the worms (714) is two, and the two worms (714) are rotatably arranged on the front and rear sides of the top of the insulating housing (71) through bearings, and the bottom ends of the worms (714) extend into the inner cavity of the insulating housing (71), and the worms (714) and the worm wheel (713) are meshed with each other; Conductive rods (715), the number of the conductive rods (715) is plural, and the conductive rods (715) are rotatably arranged on the outer wall of the second support rod (711) via bearings at equal intervals in the front-to-back direction, and the bottom ends of the conductive rods (715) extend out of the bottom end of the insulating housing (71); A plastic rolling ball (716), the plastic rolling ball (716) being rotatably disposed at the bottom end of the conductive rod (715), the position of the plastic rolling ball (716) corresponding to the position of the support roller (23); A warning light (717), the warning light (717) is arranged on the right side of the outer wall of the conductive rod (715), and the warning light (717) and the conductive rod (715) are electrically connected; The speaker (718) is arranged on the right side of the outer wall of the conductive rod (715), and the speaker (718) and the conductive rod (715) are electrically connected.

2. A hydrogen fuel cell membrane preparation device according to claim 1, characterized in that: The hydrogen fuel cell membrane preparation device further includes: A first sprocket (14), the first sprocket (14) is sleeved on the front side of the outer wall of the first heating roller (12) and is locked by a top screw; A first gear (15), the first gear (15) is sleeved on the front side of the outer wall of the second heating roller (13) and is locked by a top screw; A first connecting rod (16), the front end of which is rotatably arranged at the left end of the front side of the inner cavity of the calender (1) via a bearing; A second sprocket (17), the second sprocket (17) is sleeved on the front side of the outer wall of the first connecting rod (16) and is locked by a top screw; a second gear (18), wherein the second gear (18) is sleeved on the rear side of the outer wall of the first connecting rod (16) and is locked by a top screw, and the second gear (18) is meshed with the first gear (15); A second connecting rod (19), the front end of which is rotatably arranged at the middle of the rear side of the stretching block (4) via a bearing; A third sprocket (20), the third sprocket (20) being sleeved on the outer wall of the second connecting rod (19) and locked by a top screw; A chain (21), wherein the chain (21) is sleeved on outer walls of the first sprocket (14), the second sprocket (17), and the third sprocket (20); A first motor (22) is screwed to the front side of the calender (1), and a front end of the second heating roller (13) is locked to the output end of the first motor (22) through a coupling.

3. A hydrogen fuel cell membrane preparation device according to claim 2, characterized in that: A support roller (23) is rotatably provided at the right end of the inner cavity of the calender (1) via a bearing, the battery membrane (11) and the outer wall of the support roller (23) are in contact, and the top end of the support roller (23) and the top end of the second heating roller (13) are on the same horizontal line.

4. A hydrogen fuel cell membrane preparation device according to claim 3, characterized in that: The regulating mechanism (6) comprises: A shielding frame (61), wherein the number of the shielding frames (61) is two, and the two shielding frames (61) are respectively arranged at the right ends of the front and rear sides of the calender (1); A second motor (62), the number of the second motors (62) is two, and the two second motors (62) are screw-connected to the front and rear sides of the calender (1) respectively; A screw rod (63), wherein the bottom end of the screw rod (63) is locked to the output end of the second motor (62) via a coupling, and the top end of the screw rod (63) is rotatably arranged at the middle of the bottom end of the shielding frame (61) via a bearing; A support plate (64), wherein the middle portion of the support plate (64) is screwed to the outer wall of the screw rod (63), and the front and rear ends of the first heating roller (12) are rotatably arranged at the inner left ends of the two support plates (64) via bearings; The first support rods (65) are four in number, and the top ends of the four first support rods (65) are respectively arranged on the left and right sides of the bottom ends of the two support plates (64), and the bottom ends of the first support rods (65) can be slidably adapted to be inserted into the inner cavity of the limiting cylinder (8) corresponding to the position thereof.

5. A hydrogen fuel cell membrane preparation device according to claim 4, characterized in that: The regulating mechanism (6) further comprises: A first rotating rod (66), the number of the first rotating rods (66) is two, and the left and right sides of the outer walls of the two first rotating rods (66) are rotatably arranged in the inner cavities of the four support blocks (10) through bearings; A first limiting gear (67), the number of the first limiting gears (67) is four, the four first limiting gears (67) are respectively sleeved on the left and right sides of the outer wall of the two first rotating rods (66), and are locked by a top screw, and the four first limiting gears (67) respectively pass through the four limiting slots (9) and mesh with the four first support rods (65); A second rotating rod (68), the number of the second rotating rods (68) is two, and the front and rear sides of the outer walls of the two second rotating rods (68) are rotatably arranged on the front and rear sides and left and right ends of the inner cavity of the calender (1) through bearings, and the front and rear ends of the second rotating rods (68) extend outside the calender (1); The second limiting gear (69) is four in number. The four second limiting gears (69) are respectively sleeved on the front and rear sides of the outer walls of the two second rotating rods (68) and are locked by top screws. The four second limiting gears (69) respectively penetrate the four limiting slots (9) and mesh with the four first support rods (65).

6. A hydrogen fuel cell membrane preparation device according to claim 5, characterized in that: The bottom end of the plastic rolling ball (716) and the bottom end of the outer wall of the first heating roller (12) are on the same horizontal line.

7. A hydrogen fuel cell membrane preparation device according to claim 6, characterized in that: The center of the movable groove (72) and the centers of the plurality of circumferentially formed retaining grooves (73) are the pin connection positions of the shielding plate (75) and the insulating housing (71).

8. A method for preparing a hydrogen fuel cell membrane, which is applied to the hydrogen fuel cell membrane preparation device according to claim 7, specifically comprising the following steps: Step 1: Start the first motor (22), the first heating roller (12) and the second heating roller (13), and use the first motor (22) to drive the second heating roller (13) to rotate. The rotation of the second heating roller (13) drives the first gear (15) to rotate. The rotation of the first gear (15) causes the second gear (18) to drive the second sprocket (17) to rotate in the opposite direction to the first gear (15) through the first connecting rod (16), thereby using the second sprocket (17) to rotate through the chain (21) and the third chain The wheel (20) drives the first sprocket (14) to rotate, and then the first sprocket (14) drives the first heating roller (12) to rotate in the opposite direction to the second heating roller (13), and the conductive tube (79) is energized by the wire (710), and the two shielding plates (75) are rotated according to the error value allowed by the battery film (11). The shielding plate (75) rotates and uses the card slot (73) to squeeze the card ball (77) to move toward the inner cavity of the shielding plate (75), and squeezes the second spring (76) to cause elastic deformation, until The shielding plate (75) is rotated to a suitable position according to the scale line (74), and the card ball (77) is squeezed under the elastic force of the second spring (76) to move to the inner cavity of the card slot (73) corresponding to the current position thereof, and the shielding plate (75) is used to shield the insulating cylinder (78), and the worm (714) is rotated. The synchronous rotation of the two worms (714) causes the worm wheel (713) to drive the connecting column (712) to rotate, thereby driving the insulating cylinder (78) and the conductive cylinder (79) by the connecting column (712). The insulating cylinder (78) and the shielding plate (75) are rotated until they are in contact with each other, and the material used for preparing the battery membrane is poured into the inner cavity of the calender (1) through the top of the calender (1), and the material is extruded and formed by the calender (1), and the battery membrane (11) is heated and extruded by the cooperation between the first heating roller (12) and the second heating roller (13). The heating and extrusion of the battery membrane (11) reduces the internal stress of the material and promotes molecular rearrangement and structural stability, thereby reducing the rebound rate of the battery membrane (11); Step 2: After the battery film (11) is squeezed, the thickness of the battery film (11) is detected by using the detection mechanism (7). Since the bottom end of the plastic ball (716) and the bottom end of the first heating roller (12) are at the same horizontal line, when the battery film (11) moves over the plastic ball (716), if the battery film (11) rebounds, the battery film (11) will push the plastic ball (716) to rotate, and drive the conductive rod (715) to rotate with the second support rod (711) as the center of the circle. If the rebound value of the battery film (11) exceeds the set value, the conductive rod (715) and the conductive tube (79) will be brought into contact, thereby powering the speaker (718) and the warning light (717). The speaker (718) and the warning light (717) are used to sound an alarm, thereby reminding the staff, making it easier for the staff to adjust the product and prevent unqualified battery films (11) from entering the market. Step 3: If the rolling thickness of the battery film (11) needs to be adjusted, start the second motor (62), and use the second motor (62) to drive the screw (63) to rotate. The rotational force generated by the rotation of the screw (63) prompts the support plate (64) to drive the first heating roller (12), the insulating shell (71) and the first support rod (65) to move upward or downward. When the first heating roller (12) moves upward, the chain (21) pulls the third sprocket (20) through the second connecting rod (19) to drive the stretching block (4) to move to the right, and stretches the first spring (5) to undergo elastic deformation, thereby adjusting the rolling thickness of the battery film (11). The movement of the first support rod (65) prompts the first limit gear (67) to drive the first rotating rod (66) rotates, the second limiting gear (69) drives the second rotating rod (68) to rotate, and the cooperation between the first limiting gear (67), the first rotating rod (66) and the first supporting rod (65) is used to promote the stable movement of the supporting plate (64), ensuring that the left and right sides thereof are always in a horizontal state, thereby ensuring that the bottom end of the first heating roller (12) and the bottom end of the plastic ball (716) are always in a horizontal turntable, and the cooperation between the second limiting gear (69), the second rotating rod (68) and the first supporting rod (65) promotes the stability of the front and rear sides of the first heating roller (12) and the front and rear sides of the insulating shell (71) when they move, thereby ensuring that they are always in a horizontal state, thereby preventing errors during detection.

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