Fixed-width slitting device for battery diaphragm

Abstract

The utility model discloses a fixed-width slitting device for a battery diaphragm, which relates to the field of battery diaphragms, solves the problem that the conventional device is difficult to carry out fixed-width efficient slitting and subsequent winding on the battery diaphragm, and adopts the following scheme that the fixed-width slitting device comprises a rack, two groups of driving shafts and two groups of receiving components, which are opposite in position, are arranged on the right side wall of the rack; a driving motor with an output shaft fixedly arranged on the driving shaft and the material collecting assembly in a sleeving mode is fixedly installed on the left side wall of the machine frame. Two sets of slitting rollers located between the driving shaft and the material collecting assembly are fixedly installed on the outer wall of the rack, two sets of left roller shafts are arranged between the driving shaft and the slitting roller on the left side, and a right roller shaft assembly is arranged between the material collecting assembly and the slitting roller on the right side. According to the fixed-width slitting device for the battery diaphragm, through the arrangement of all the assemblies on the rack, the battery diaphragm roll can be driven between the driving shaft and the material receiving assembly through the arrangement of the main driving motor and the auxiliary driving motor, and fixed-width stable slitting is conducted on the battery diaphragm roll through the two sets of slitting rollers.

Description

Technical Field

[0001] The utility model relates to the technical field of battery diaphragms, and specifically relates to a battery diaphragm constant-width slitting device. Background Technique

[0002] The positive and negative electrode plates of rechargeable batteries are usually separated by diaphragms. Currently, battery diaphragms are usually slit from larger diaphragm rolls to form small diaphragm rolls, and then enter the battery assembly workshop for the assembly of positive and negative electrodes;

[0003] After retrieval, in the application document with the patent application number 202323015400.3, a battery diaphragm constant-width slitting device is disclosed, which includes a feeding component installed on one side of the frame and a winding component installed on the other side; between the feeding component and the winding component, a slitting component and a slit separation component are installed in sequence; the battery diaphragm raw material is wound from the feeding component to the winding component. When passing through the slitting component, the battery diaphragm raw material is slit into battery diaphragm finished products with a constant width; when passing through the slit separation component, two adjacent groups of battery diaphragm finished products with a constant width are separated along the slit; this constant-width slitting device is provided with a slit separation component, which can separate two adjacent groups of battery diaphragm finished products with a constant width along the slit, so that there is no adhesion problem between two adjacent groups of battery diaphragm rolls. And its winding component is composed of multiple winding drums, and the multiple winding drums are of a splicing structure. During slitting and winding, they are sleeved on the same winding rotating shaft for slitting and winding. After winding is completed, the winding drums can be disassembled to obtain the slit battery diaphragm finished product rolls;

[0004] The above application document realizes slitting and winding through the setting of winding drums, but has a complicated structure, many connecting mechanisms, cumbersome operation, low practicability, and low efficiency in subsequent disassembly and individual winding.

[0005] Therefore, we propose a battery diaphragm constant-width slitting device. Content of the Utility Model

[0006] Aiming at the deficiencies of the prior art, the utility model provides a battery diaphragm constant-width slitting device, which solves the problems that the existing device is difficult to perform constant-width and efficient slitting on battery diaphragms and subsequent winding.

[0007] To achieve the above purposes, the utility model is realized through the following technical solutions: a battery diaphragm constant-width slitting device, including a frame, on the right side wall of the frame, there are two sets of driving shafts and winding components with opposite positions, and on the left side wall of the frame, a main driving motor and a sub-driving motor with output shafts fixedly sleeved on the driving shafts and winding components are fixedly installed;

[0008] Two groups of slitting rollers are fixedly installed on the outer wall of the frame and are located between the driving shaft and the material receiving assembly. Two groups of left rollers are arranged between the driving shaft and the slitting rollers on the left side, and a right roller assembly is arranged between the material receiving assembly and the slitting rollers on the right side.

[0009] The main body of the material receiving component is a cross-shaped support shaft, and a winding drum is movably sleeved on the outer wall of the support shaft, and the winding drum is a U-shaped drum.

[0010] Preferably, a slot matching the specifications of the support shaft is provided on the inner side of the winding drum, and a support drum located between adjacent winding drums is fixedly installed on the outer end surface of the winding drum;

[0011] Among them, the setting of the card slot makes it easy to clamp the winding drum on the support shaft to ensure its stability, and the setting of the support tube can adjust the distance between adjacent winding drums to ensure the effect of winding the battery separator.

[0012] Preferably, the right roller assembly has the same specifications as the receiving assembly, three groups of the right roller assemblies are arranged in an L shape on the left side of the receiving assembly, the bottom right roller assembly is arranged below the middle of the two groups of cutting rollers, and the remaining two groups of the right roller assemblies are arranged above the receiving assembly, and each group of the right roller assemblies is fixedly mounted on the frame through a bearing ring;

[0013] Among them, the setting of the right roller assembly with the same specifications as the receiving assembly can separate the slit battery diaphragm in advance to ensure the winding effect of the subsequent receiving assembly.

[0014] Preferably, two groups of left roller shafts located outside the left slitting roller are fixedly mounted on the outer wall of the frame through a bearing ring, and the two groups of left roller shafts are opposite to the two groups of right roller shaft assemblies on the top side;

[0015] Among them, the setting of the left roller can guide the battery diaphragm in advance to ensure its transmission stability.

[0016] Preferably, the frame is an L-shaped frame, and an "M"-shaped battery diaphragm roll is arranged on the outer side of the frame and is mounted between the frame, the left roller, the right roller assembly and the receiving assembly.

[0017] Preferably, slitting knives which are distributed at intervals and have pointed bottoms are fixedly installed at the bottom of the slitting rollers, and two groups of slitting rollers are arranged on the upper side of the battery separator roll in an oblique downward shape.

[0018] The utility model provides a battery diaphragm fixed width slitting device, which has the following beneficial effects:

[0019] The battery separator width-fixed slitting device, through the settings of various components on the frame, can drive the battery separator roll between the driving shaft and the winding component by setting the main driving motor and the auxiliary driving motor, and perform width-fixed and stable slitting on it by two sets of slitting rollers, and then wind and separate it by the winding drum in the winding component. Moreover, the structure is simple and the slitting efficiency is high, solving the problems that the existing devices are difficult to perform width-fixed and efficient slitting on the battery separator and subsequent winding. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 is a schematic structural diagram of the present invention;

[0021] Figure 2 is a schematic side structural diagram of the present invention;

[0022] Figure 3 is a schematic structural diagram of the slitting roller of the present invention;

[0023] Figure 4 is a schematic structural diagram of the winding component of the present invention.

[0024] In the figure: 1, frame; 2, driving shaft; 3, winding component; 31, support shaft; 32, winding drum; 33, card slot; 34, support cylinder; 4, left roller shaft; 5, right roller shaft assembly; 6, slitting roller; 61, slitting knife; 7, main driving motor; 8, auxiliary driving motor. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0025] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with 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. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0026] Please refer to Figures 1-4 , an embodiment of the present invention provides a technical solution: a battery separator width-fixed slitting device, including a frame 1. On the right side wall of the frame 1, there are two sets of driving shafts 2 and winding components 3 that are opposite in position, and on the left side wall of the frame 1, a main driving motor 7 and an auxiliary driving motor 8 whose output shafts are fixedly sleeved on the driving shaft 2 and the winding component 3 are fixedly installed; on the outer wall of the frame 1, there are two sets of slitting rollers 6 located between the driving shaft 2 and the winding component 3. There are two sets of left roller shafts 4 between the driving shaft 2 and the left slitting roller 6, and a right roller shaft assembly 5 is arranged between the winding component 3 and the right slitting roller 6; the main body of the winding component 3 is a cross-shaped support shaft 31, and a winding drum 32 is movably sleeved on the outer wall of the support shaft 31, and the winding drum 32 is a U-shaped cylinder;

[0027] Among them, the battery diaphragm fixed-width slitting device, through the arrangement of various components on the frame 1, can transmit the battery diaphragm roll between the drive shaft 2 and the material receiving component 3 through the arrangement of the main drive motor 7 and the auxiliary drive motor 8, and is stably slit by two groups of slitting rollers 6, and then separated and wound by the winding drum 32 in the material receiving component 3. It has a simple structure and high slitting efficiency, which solves the problem that the existing device is difficult to perform fixed-width efficient slitting and subsequent winding of the battery diaphragm.

[0028] Embodiment 2:

[0029] A card slot 33 matching the specifications of the support shaft 31 is provided on the inner side of the winding drum 32, and a support tube 34 located between adjacent winding drums 32 is fixedly installed on the outer end surface of the winding drum 32; wherein, the setting of the card slot 33 facilitates the mounting of the winding drum 32 on the support shaft 31 to ensure its stability, and the setting of the support tube 34 can adjust the distance between adjacent winding drums 32 to ensure the effect of winding the battery diaphragm.

[0030] The right roller assembly 5 has the same specifications as the material receiving assembly 3. Three groups of right roller assemblies 5 are arranged in an L shape on the left side of the material receiving assembly 3. The bottom right roller assembly 5 is arranged below the middle of the two groups of slitting rollers 6. The remaining two groups of right roller assemblies 5 are arranged above the material receiving assembly 3, and each group of right roller assemblies 5 is fixedly mounted on the frame 1 through a bearing ring; wherein, the setting of the right roller assembly 5 with the same specifications as the material receiving assembly 3 can separate the slit battery diaphragm in advance, thereby ensuring the subsequent winding effect of the material receiving assembly 3.

[0031] Two groups of left roller shafts 4 located outside the left slitting roller 6 are fixedly installed on the outer wall of the frame 1 through a bearing ring, and the two groups of left roller shafts 4 are opposite to the two groups of right roller shaft assemblies 5 on the top side; wherein, the setting of the left roller shaft 4 can guide the battery diaphragm in advance to ensure its transmission stability.

[0032] The frame 1 is an L-shaped frame, and an "M"-shaped battery diaphragm roll is arranged on the outer side of the frame 1 and is driven and sleeved between the frame 1, the left roller 4, the right roller assembly 5 and the receiving assembly 3.

[0033] The bottom of the slitting roller 6 is fixedly installed with slitting knives 61 which are distributed at intervals and have pointed bottom ends. The two groups of slitting rollers 6 are arranged on the upper side of the battery separator roll in an oblique downward shape.

[0034] Working principle and usage process of the utility model: When the device needs to work, the main drive motor 7 and the auxiliary drive motor 8 are used to drive the drive shaft 2 and the material receiving assembly 3 to rotate. A battery separator that passes through each group of left roller shafts 4 and right roller shaft assemblies 5 is sleeved between them for transmission. During the transmission process, the battery separator that is obliquely transmitted on the bottom side is slit by two groups of slitting rollers 6 and the slitting knives 61 thereon. Each group of right roller shaft assemblies 5 conducts early guiding on it, and finally, each winding drum 32 on the material receiving assembly 3 conducts single-winding material collection on it. Finally, by pulling out each winding drum 32 outward, the finished material roll of the slit battery separator can be obtained. The structure is simple and the slitting efficiency is high.

[0035] The foregoing has shown and described the basic principles, main features and advantages of the utility model. For those skilled in the art, it is obvious that the utility model is not limited to the details of the above-described exemplary embodiments, and without departing from the spirit or basic features of the utility model, the utility model can be implemented in other specific forms. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-restrictive. The scope of the utility model is defined by the appended claims rather than the above description. Therefore, it is intended to embrace all changes that fall within the meaning and scope of the equivalent elements of the claims in the utility model. Any reference signs in the claims should not be regarded as limiting the claims involved.

[0036] In addition, it should be understood that although this specification is described according to embodiments, not every embodiment only contains an independent technical solution. This narrative way of the specification is only for clarity. Those skilled in the art should regard the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A battery separator fixed width slitting device, characterized in that: The machine comprises a frame (1), wherein two sets of drive shafts (2) and a material receiving assembly (3) are arranged on the right side wall of the frame (1), and a main drive motor (7) and an auxiliary drive motor (8) whose output shafts are fixedly sleeved on the drive shafts (2) and the material receiving assembly (3) are fixedly mounted on the left side wall of the frame (1); Two groups of slitting rollers (6) are fixedly mounted on the outer wall of the frame (1) and are located between the drive shaft (2) and the material receiving assembly (3); two groups of left rollers (4) are arranged between the drive shaft (2) and the left slitting rollers (6); and a right roller assembly (5) is arranged between the material receiving assembly (3) and the right slitting roller (6); The main body of the material receiving component (3) is a cross-shaped support shaft (31), and a winding drum (32) is movably mounted on the outer wall of the support shaft (31), and the winding drum (32) is a U-shaped drum.

2. A battery separator fixed width slitting device according to claim 1, characterized in that: A slot (33) matching the specifications of the support shaft (31) is provided on the inner side of the winding drum (32), and a support drum (34) located between adjacent winding drums (32) is fixedly mounted on the outer end surface of the winding drum (32).

3. A battery separator fixed width slitting device according to claim 1, characterized in that: The right roller assembly (5) has the same specifications as the material receiving assembly (3); three groups of the right roller assembly (5) are arranged in an L shape on the left side of the material receiving assembly (3); the bottom right roller assembly (5) is arranged below the middle of the two groups of cutting rollers (6); the remaining two groups of the right roller assembly (5) are arranged above the material receiving assembly (3); and each group of the right roller assembly (5) is fixedly mounted on the frame (1) via a bearing ring.

4. A battery separator fixed width slitting device according to claim 3, characterized in that: Two groups of left roller shafts (4) located outside the left slitting roller (6) are fixedly mounted on the outer wall of the frame (1) via a bearing ring, and the two groups of left roller shafts (4) are opposite to the two groups of right roller shaft assemblies (5) on the top side.

5. A battery separator fixed width slitting device according to claim 1, characterized in that: The frame (1) is an L-shaped frame, and an "M"-shaped battery diaphragm roll is arranged on the outer side of the frame (1) and is driven and sleeved between the frame (1), a left roller shaft (4), a right roller shaft assembly (5), and a material receiving assembly (3).

6. A battery separator fixed width slitting device according to claim 1, characterized in that: The bottom of the slitting roller (6) is fixedly mounted with slitting knives (61) which are distributed in an interval manner and have a pointed bottom end. Two groups of the slitting rollers (6) are arranged on the upper side of the battery separator roll in an obliquely downward direction.

Images