CN220841424U

CN220841424U - Stretching device for dry-method diaphragm

Info

Publication number: CN220841424U
Application number: CN202322698283.9U
Authority: CN
Inventors: 王德军; 杨德纯
Original assignee: Hubei Modern Jinggong Intelligent Equipment Co ltd
Current assignee: Hubei Modern Jinggong Intelligent Equipment Co ltd
Priority date: 2023-10-07
Filing date: 2023-10-07
Publication date: 2024-04-26
Anticipated expiration: 2033-10-07

Abstract

The application discloses a stretching device for a dry-method diaphragm, which relates to the technical field of diaphragm production equipment and comprises a frame, a clamping assembly and a second clamping assembly, wherein the frame comprises two opposite frame side walls, a plurality of stretching rollers with parallel axes are rotatably connected between the two frame side walls and used for stretching the diaphragm, the clamping assembly comprises a first clamping roller rotatably connected between the two frame side walls, and the second clamping roller can be slidably connected between the two frame side walls in the direction of approaching to and separating from the first clamping roller, and the second clamping roller can rotate and the rotation axis is parallel to the first clamping roller; still sliding connection has tensile subassembly between two frame lateral walls, tensile subassembly is including the tight roller that supports that can follow perpendicular to frame lateral wall direction and remove, support tight roller can rotate, and the axis is on a parallel with first grip roll axis. The application has the effect of improving the yield of the diaphragm by generating the phenomenon of uneven stretching of the diaphragm part.

Description

Stretching device for dry-method diaphragm

Technical Field

The application relates to the technical field of diaphragm production equipment, in particular to a dry diaphragm stretching device.

Background

In the current battery, a separator is often arranged to separate the positive and negative cells, and the separator is usually required to be produced by using separator production equipment, and the production modes generally comprise dry and wet modes.

In the related art, a separator manufactured in a dry manner needs to be conveyed and stretched in a stretching device, and a plurality of parallel stretching rollers are usually arranged in the stretching device, and the separator is wound between the stretching rollers in a serpentine shape, so that the separator can be stretched by pulling one end of the separator or rotating the stretching rollers automatically.

However, because the length of the stretching roller is longer, the problem that the diaphragm is uneven in the use process or the problem that the stretching roller contacts the diaphragm exists, the condition that the diaphragm is unevenly stretched along the length direction of the stretching roller exists, and when the diaphragm is produced, the condition that part of diaphragm sheets are scrapped due to insufficient stretching degree needs to be further improved.

Disclosure of utility model

In order to reduce the phenomenon of uneven stretching of a diaphragm part and further improve the diaphragm yield, the application provides a dry diaphragm stretching device.

The application provides a dry-process diaphragm stretching device, which adopts the following technical scheme:

The stretching device of the dry-method diaphragm comprises a frame, wherein the frame comprises two opposite frame side walls, and a plurality of stretching rollers with parallel axes and used for stretching the diaphragm are rotatably connected between the two frame side walls;

The clamping assembly comprises a first clamping roller and a second clamping roller, wherein the first clamping roller is rotatably connected between the two side walls of the machine frame, the second clamping roller can be slidably connected between the two side walls of the machine frame in the direction of approaching to and separating from the first clamping roller, the second clamping roller can rotate, and the rotation axis is parallel to the first clamping roller;

Still sliding connection has tensile subassembly between two frame lateral walls, tensile subassembly is including the tight roller that supports that can follow perpendicular to frame lateral wall direction and remove, support tight roller can rotate, and the axis is on a parallel with first grip roll axis.

Through adopting above-mentioned technical scheme, when the diaphragm material can stretch through a plurality of stretching rollers, when the diaphragm material is stretched locally to needs, can be through removing the second grip roller for first grip roller and second grip roller carry out the centre gripping to the diaphragm material, remove stretching assembly again, make support tight roller can remove and carry out tensioning and stretching to the diaphragm material, and support tight roller can remove along perpendicular to frame lateral wall direction, thereby play adjustment stretching position, play multidirectional, unilateral tensile effect.

Optionally, the second clamping roller both ends rotate and are connected with first slider, first slider sliding connection is in the frame lateral wall, just be provided with the first actuating source that is used for driving first slider slip on the frame lateral wall.

Through adopting above-mentioned technical scheme, the second grip roll can slide through first slider to can drive the second grip roll through first drive source and remove, realize the clamp of diaphragm material and release.

Optionally, the stretching assembly includes the movable rod, support tight roller can follow movable rod length direction and remove, the movable rod both ends are connected with the second slider, second slider sliding connection is in the frame lateral wall, be provided with the second actuating source that is used for driving the second slider to slide on the frame lateral wall.

Through adopting above-mentioned technical scheme, the second actuating source can remove through the drive movable rod to tensile diaphragm material to support tight roller and can remove along the movable rod, further play the adjustment and support tight roller position, carry out tensile effect to the different positions of diaphragm material.

Optionally, the movable rod is the screw rod, movable rod both ends one-to-one rotate connect in the second slider, support tight roller both ends rotation and be connected with the fixed block, the movable rod wear to establish and threaded connection in the fixed block, tensile subassembly still includes and is used for the drive movable rod pivoted third actuating source to and be used for restricting the fixed block and carry out pivoted restriction piece.

Through adopting above-mentioned technical scheme, when third actuating source drive screw rod rotation, the rotation of limiter restriction fixed block for the fixed block can drive to support tight roller and remove.

Optionally, the restriction piece is the telescopic link, and one end and second slider are connected, and the other end is connected with the fixed block.

Through adopting above-mentioned technical scheme, when the fixed block removes, the restriction piece can stretch out and draw back, is difficult for influencing the removal of fixed block to through the restriction of restriction piece and movable rod, make the fixed block be difficult for rotating.

Optionally, the limiting piece is provided with two, and one-to-one and a fixed block connection, the limiting piece includes interior pole and the outer pole of cover outside locating interior pole, interior pole one end and second slider are connected, and outer pole one end and fixed block connection.

Through adopting above-mentioned technical scheme, through setting up two fixed blocks and two restriction pieces, can be better provide support and guide effect to establish gliding mode through interior pole and outer pole cover, realized the flexible function of restriction piece.

Optionally, the third driving source is disposed on one of the second sliders and includes a rotatable output shaft, a first gear is coaxially fixed on the output shaft, and a second gear meshed with the first gear is coaxially fixed on the moving rod.

Through adopting above-mentioned technical scheme, the third actuating source can remove with a second slider to keep the meshing of first gear and second gear, and through the transmission of first gear and second gear, make things convenient for the installation and the setting of third actuating source.

Optionally, the clamping component and the stretching component are both provided with two groups between the side walls of the two frames, and the two groups of clamping components are respectively positioned at the feeding end and the discharging end of the frames, and the two groups of stretching components are respectively positioned at the feeding end and the discharging end of the frames.

Through adopting above-mentioned technical scheme, the clamping assembly is provided with two sets of, is convenient for fix one section diaphragm material both ends to be convenient for carry out tensioning, tensile, set up two sets of tensile subassemblies and then make tensile scope more convenient adjustment, tensile mode more diversified.

In summary, the present application includes at least one of the following beneficial effects:

1. The first clamping roller and the second clamping roller clamp the diaphragm material by moving the second clamping roller, and then the stretching assembly is moved, so that the abutting roller can be moved to tension and stretch the diaphragm material and can be moved along the direction vertical to the side wall of the frame, thereby adjusting the stretching position and playing a role in multidirectional and unilateral stretching;

2. The clamping assembly is provided with two groups, so that one section of diaphragm material can be tensioned conveniently, and the stretching assembly is provided with two groups, so that the stretching range is more convenient to adjust, and the stretching mode is more diversified.

Drawings

FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present application;

FIG. 2 is a schematic partial structure of an embodiment of the present application;

fig. 3 is an enlarged schematic view of the structure at a in fig. 2.

Reference numerals illustrate: 1. a frame; 11. a side wall of the frame; 111. a first chute; 112. a second chute; 12. a stretching roller; 2. a clamping assembly; 21. a first pinch roller; 22. a second pinch roller; 23. a first slider; 24. a first driving source; 3. a stretching assembly; 31. a second slider; 32. a second driving source; 33. a moving rod; 331. a second gear; 34. a pressing roller; 35. a fixed block; 36. a telescopic rod; 361. an inner rod; 362. an outer rod; 37. a third driving source; 371. a first gear.

Detailed Description

The application is described in further detail below with reference to fig. 1-3.

Referring to fig. 1 and 2, the stretching device for the dry-process diaphragm disclosed by the embodiment of the application comprises a frame 1, wherein the frame 1 is U-shaped and comprises frame side walls 11 at two sides, a plurality of stretching rollers 12 are rotatably connected between the frame side walls 11 through bearings, and diaphragm materials can be wound on the stretching rollers 12 in a serpentine shape. The specific structure of the stretching mechanism for stretching the dry separator is relatively existing, some conventional structures are not specifically described or shown in the drawings, and the following mainly refers to the improved structure of the application.

Referring to fig. 1 and 2, a frame 1 includes a feed end and a discharge end, in which a clamping assembly 2 and a stretching assembly 3 are disposed, and two stretching assemblies 3 are disposed between the two clamping assemblies 2. The clamping assembly 2 comprises a first clamping roller 21 which is rotatably connected between the two frames 1 through a bearing, and the diaphragm material bypasses the first clamping roller 21; the clamping assembly 2 further comprises a second clamping roller 22 with an axis parallel to the first clamping roller 21, the second clamping roller 22 is located above the first clamping roller 21, and the two ends are rotatably connected with a first sliding block 23 through bearings. The first sliding groove 111 for the first sliding block 23 to slide is formed in the side wall 11 of the machine frame, the first driving source 24 for driving the first sliding block 23 to slide is arranged on the side wall 11 of the machine frame, and specifically, the first driving source 24 is an electric push rod, so that the second clamping roller 22 moves relative to the first clamping roller 21, and the effects of clamping and releasing diaphragm materials are achieved. In other embodiments of the present application, the first driving source 24 may be an air cylinder, or a motor and screw structure may be used to raise and lower the second clamping roller 22.

Referring to fig. 1 and 3, the stretching assembly 3 includes a moving rod 33 and second sliders 31 rotatably coupled to both ends of the moving rod 33 through bearings, and also, a second driving source 32 for driving the second sliders 31 to slide is provided on the frame sidewall 11, and specifically, the second driving source 32 is an electric push rod, thereby adjusting the height of the moving rod 33. In other embodiments of the present application, the second driving source 32 may be an air cylinder, or a structure using a motor and a screw rod may be used to raise and lower the moving rod 33.

Referring to fig. 2 and 3, a tight-propping roller 34 is sleeved outside the moving rod 33, two ends of the tight-propping roller 34 are rotatably connected with a fixed block 35 through bearings, the moving rod 33 is a screw rod, the fixed block 35 is in threaded connection with the moving rod 33, and a limiting piece for limiting the rotation of the fixed block 35 is further connected between the second sliding block 31 and the fixed block 35, so that when the moving rod 33 rotates, the tight-propping roller 34 can move along the length direction of the moving rod 33. The stretching assembly 3 further comprises a third driving source 37 for driving the movement bar 33 in rotation.

Referring to fig. 2 and 3, the restriction member is a telescopic rod 36, the telescopic rod 36 includes an inner rod 361 having one end fixed to the second slider 31 and an outer rod 362 having one end fixed to the fixed block 35, and the outer rod 362 is sleeved outside the inner rod 361, so that when the abutting roller 34 moves, the restriction member can restrict the rotation of the fixed block 35, and simultaneously can stretch and retract without affecting the movement of the abutting roller 34, and the abutting roller 34 can adjust the horizontal position, thereby facilitating the stretching of different positions of the diaphragm material.

Referring to fig. 2 and 3, the third driving source 37 is a servo motor fixedly connected to one second slider 31, a first gear 371 is coaxially fixed on an output shaft of the third driving source 37, a second gear 331 is coaxially fixed on the moving rod 33, and the first gear 371 is meshed with the second gear 331, so that the moving rod 33 can be driven to rotate when the third driving source 37 operates, and then the abutting roller 34 is driven to move.

The implementation principle of the dry-process diaphragm stretching device provided by the embodiment of the application is as follows: when the diaphragm material stretching machine is used, the diaphragm material can be stretched and conveyed through the first clamping roller 21 and the plurality of stretching rollers 12, and when the diaphragm material in the frame 1 needs to be further stretched, the second clamping roller 22 can be driven by the first driving source 24 to move towards the first clamping roller 21, the diaphragm material is clamped through the first clamping roller 21 and the second clamping roller 22, and traction force is applied to the diaphragm material, so that the further stretching effect is achieved. When local stretching is required, two clamping mechanisms can be simultaneously used for clamping two ends of the diaphragm material, the second driving source 32 is used for lifting the abutting roller 34, so that the local position is stretched, and the third driving source 37 is used for driving the abutting roller 34 to move, so that the stretching position is adjusted.

The above embodiments are not intended to limit the scope of the present application, so: all equivalent changes in structure, shape and principle of the application should be covered in the scope of protection of the application.

Claims

1. The utility model provides a stretching device of dry process diaphragm, includes frame (1), frame (1) are including two relative frame lateral walls (11), rotate between two frame lateral walls (11) and be connected with a plurality of axes parallel and be used for stretching roller (12) of diaphragm, its characterized in that:

The clamping assembly (2) comprises a first clamping roller (21) rotatably connected between the two frame side walls (11), and a second clamping roller (22) slidably connected between the two frame side walls (11) in a direction approaching to and away from the first clamping roller (21), wherein the second clamping roller (22) can rotate, and the rotation axis is parallel to the first clamping roller (21);

Still sliding connection has tensile subassembly (3) between two frame lateral walls (11), tensile subassembly (3) are including supporting tight roller (34) that can follow perpendicular to frame lateral wall (11) direction and remove, support tight roller (34) can rotate, and the axis is on a parallel with first grip roll (21) axis.

2. A dry process membrane stretching apparatus as claimed in claim 1, wherein: the two ends of the second clamping roller (22) are rotatably connected with first sliding blocks (23), the first sliding blocks (23) are slidably connected to the side wall (11) of the machine frame, and a first driving source (24) for driving the first sliding blocks (23) to slide is arranged on the side wall (11) of the machine frame.

3. A dry process membrane stretching apparatus as claimed in claim 1, wherein: the stretching assembly (3) comprises a moving rod (33), the abutting roller (34) can move along the length direction of the moving rod (33), two ends of the moving rod (33) are connected with second sliding blocks (31), the second sliding blocks (31) are connected to the side wall (11) of the machine frame in a sliding mode, and a second driving source (32) used for driving the second sliding blocks (31) to slide is arranged on the side wall (11) of the machine frame.

4. A dry process membrane stretching apparatus according to claim 3, wherein: the movable rod (33) is a screw rod, two ends of the movable rod (33) are correspondingly connected with the second sliding blocks (31) in a one-to-one mode, two ends of the abutting roller (34) are rotatably connected with the fixed blocks (35), the movable rod (33) is arranged in a penetrating mode and is in threaded connection with the fixed blocks (35), the stretching assembly (3) further comprises a third driving source (37) used for driving the movable rod (33) to rotate, and a limiting piece used for limiting the fixed blocks (35) to rotate.

5. The dry process membrane stretching apparatus according to claim 4, wherein: the limiting piece is a telescopic rod (36), one end of the limiting piece is connected with the second sliding block (31), and the other end of the limiting piece is connected with the fixed block (35).

6. The dry process membrane stretching apparatus according to claim 5, wherein: the limiting pieces are provided with two limiting pieces and are connected with one fixing block (35) in a one-to-one correspondence mode, each limiting piece comprises an inner rod (361) and an outer rod (362) sleeved outside the inner rod (361), one end of each inner rod (361) is connected with the corresponding second sliding block (31), and one end of each outer rod (362) is connected with the corresponding fixing block (35).

7. The dry process membrane stretching apparatus according to claim 4, wherein: the third driving source (37) is arranged on one second sliding block (31) and comprises an output shaft capable of rotating, a first gear (371) is coaxially fixed on the output shaft, and a second gear (331) meshed with the first gear (371) is coaxially fixed on the moving rod (33).

8. A dry process membrane stretching apparatus as claimed in claim 1, wherein: the clamping assemblies (2) and the stretching assemblies (3) are arranged between the two side walls (11) of the machine frame, the two clamping assemblies (2) are respectively located at the feeding end and the discharging end of the machine frame (1), and the two stretching assemblies (3) are respectively located at the feeding end and the discharging end of the machine frame (1).