CN117163722B - Clamping device - Google Patents
Clamping device Download PDFInfo
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- CN117163722B CN117163722B CN202311443836.4A CN202311443836A CN117163722B CN 117163722 B CN117163722 B CN 117163722B CN 202311443836 A CN202311443836 A CN 202311443836A CN 117163722 B CN117163722 B CN 117163722B
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
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- 229910000838 Al alloy Inorganic materials 0.000 description 1
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
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- Delivering By Means Of Belts And Rollers (AREA)
Abstract
The utility model relates to a clamping device, including first clamping component, the second clamping component, pressure sensing subassembly and drive assembly, first clamping component includes power spare and drive roll, power spare and drive roll drive connection, the second clamping component includes connecting seat and driven voller, the connecting seat is connected with external equipment, the driven voller rotationally locate on the connecting seat, and driven voller and drive roll lay relatively, the drive roll is constructed and is used for driving the driven voller and rotate and convey the material between the two when rotating, pressure sensing subassembly locates on the drive roll and is used for responding to the clamping force between drive roll and the driven voller when conveying the material, drive assembly and drive roll drive connection, drive assembly is constructed and is used for when the clamping force that pressure sensing subassembly sensed is outside the settlement threshold value, at least axial one end of drive roll is moved to the clamping force and is in settlement threshold value in order to realize the self-detection and the self-adjusting of drive roll position with the stability of assurance clamping force relative to the driven voller.
Description
Technical Field
The application relates to the technical field of battery processing, in particular to a clamping device.
Background
Energy conservation and emission reduction are key to sustainable development of the automobile industry, and electric vehicles become an important component of sustainable development of the automobile industry due to the energy conservation and environmental protection advantages of the electric vehicles. For electric vehicles, battery technology is an important factor in the development of the electric vehicles.
Before feeding, the pole piece forming the battery can pass through a clamping device to flatten the pole piece and then feed, the clamping device generally comprises a driving roller and a driven roller, and the pole piece passes through the space between the driving roller and the driven roller and is conveyed forwards along with the rotation of the driving roller.
However, the driving roller is easy to generate position deviation in the rotation process, so that the phenomena of pole piece position deviation, pole piece wrinkling and the like are caused, and the yield of the battery is affected.
Disclosure of Invention
Based on this, it is necessary to provide a clamping device capable of automatically adjusting the driving roller generating the positional deviation, realizing automatic deviation correction, maintaining the parallelism of the driving roller and the driven roller clamping the pole piece, and improving the yield of battery production.
In a first aspect, the application provides a clamping device, including first clamping component, the second clamping component, forced induction subassembly and drive assembly, first clamping component includes power spare and drive roll, power spare and drive roll drive connection, the second clamping component includes connecting seat and driven voller, the connecting seat is fixed to be set up with first clamping component relatively, the driven voller rotationally is located on the connecting seat, and driven voller and drive roll lay relatively, the drive roll is constructed and is driven the driven voller and rotate and convey the material between the two when rotating, forced induction subassembly is located on the drive roll, and be used for responding to the clamping force between drive roll and the driven voller when conveying the material, drive assembly and drive roll drive connection, drive assembly is constructed and is used for when forced induction subassembly inducted clamping force is outside the settlement threshold value, at least axial one end of drive roll moves to the clamping force and is in settlement threshold value relatively to the driven voller.
In the technical scheme of the embodiment of the application, the self-detection and self-adjustment of the position of the driving roller can be realized, after the position of the driving roller is detected to change, the position of the driving roller is adjusted, so that the stability of clamping force is ensured, materials can be stably flattened and transported, and the phenomena of wrinkling, hemming and the like are relieved.
In some embodiments, the driving roller has a working position, when the driving roller is in the working position, the axial direction of the driving roller is parallel to the axial direction of the driven roller, the driving roller and the driven roller are abutted along the arrangement direction of the driving roller and the driven roller, and the clamping force sensed by the pressure sensing assembly is at a set threshold value.
The driving roller has a fault position, when the driving roller is at the fault position, at least one end of the driving roller is tilted or sunk relative to the driven roller along a first radial direction, the clamping force sensed by the pressure sensing assembly is outside a set threshold, and the first radial direction is parallel to the conveying direction of the materials.
The drive assembly is used for driving at least one axial end of the drive roller to move relative to the driven roller when the drive roller is in the fault position so as to switch to the working position.
In the technical scheme of the embodiment of the application, when the clamping force sensed by the pressure sensing assembly is outside the set threshold, the driving roller is considered to move from the working position to the fault position, at the moment, the driving assembly drives one end or two ends of the axial direction of the driving roller connected with the driving assembly to generate position movement so as to flatten one tilted end, and the one submerged end is lifted to drive the driving roller to return to the working position, so that the clamping force is ensured to be stable in the set threshold, and self-detection and self-adjustment of the driving roller are realized.
In some embodiments, optionally, the drive roller includes a first shaft end and a second shaft end at both axial ends, and the pressure sensing assembly includes a first pressure sensing member disposed at the first shaft end for sensing a clamping force between the first shaft end and the driven roller and a second pressure sensing member disposed at the second shaft end for sensing a clamping force between the second shaft end and the driven roller. The driving assembly is in driving connection with the first shaft end and the second shaft end respectively, and is used for driving the first shaft end to move when the clamping force sensed by the first pressure sensing piece is out of a set threshold value and driving the second shaft end to move when the clamping force sensed by the second pressure sensing piece is out of the set threshold value.
In the technical scheme of the embodiment of the application, the positions of the two axial ends of the driving roller can be detected independently, the driving roller is controlled independently, and the accurate adjustment of the positions is guaranteed.
In some embodiments, the drive roller includes a support portion and a flexible portion disposed around the outer periphery, and the first and second pressure sensing members are disposed between the support portion and the flexible portion.
In the technical scheme of this application embodiment, the supporting part is used for providing sufficient holding power when conveying the material, and the part of direct contact material is regarded as to the flexible portion, and its rigidity is less than the rigidity of supporting part to flexible support material avoids damaging the material.
In some embodiments, the first clamping assembly comprises a supporting frame, the supporting frame comprises a first side plate and a second side plate which are oppositely arranged, the first shaft end is rotationally connected to the first side plate, the second shaft end is rotationally connected to the second side plate, the driving assembly comprises a first driving piece and a second driving piece, the first driving piece is in driving connection with the first side plate and is used for driving the first side plate to drive the first shaft end to move, and the second driving piece is in driving connection with the second side plate and is used for driving the second side plate to drive the second shaft end to move.
In the technical scheme of the embodiment of the application, the independent control of the first shaft end and the second shaft end is realized through the independent control of the first driving piece and the second driving piece, and because the two axial ends of the driving roller are respectively and rotatably connected with the first side plate and the second side plate, when the first side plate or the second side plate moves along the first radial position, the first shaft end or the second shaft end moves along the first radial position.
In some embodiments, the support frame further includes a top plate that is mounted on the first side plate and the second side plate, and the top plate, the first side plate and the second side plate define a containing space; the connecting seat is fixedly arranged in the accommodating space, and the driven roller extends out of the accommodating space.
In the technical scheme of this embodiment, the support frame is as the installation basis of drive roll, and the cover is located outside the installation basis connecting seat of driven voller, and the driven voller stretches out outside the accommodation space and is set up relatively with the drive roll that the support frame is connected, when the drive roll is in the trouble position, then the first curb plate and/or the second curb plate that are connected with the drive roll produce the position and remove, and the roof produces the position deflection.
In some embodiments, the first clamping assembly comprises a support plate fixedly disposed relative to the support frame, and the first driving member and the second driving member are disposed on a side of the support plate facing away from the support frame and in driving connection with the first side plate and the second side plate, respectively.
In the technical scheme of this application embodiment, the backup pad provides the installation basis for the setting of first driving piece and second driving piece, so, the part that clamping device of this application can produce the motion is the drive roll and with the support frame of drive roll connection.
In some embodiments, the first driving piece comprises a first driving part, a first screw rod and a first transmission part, wherein the first screw rod passes through the supporting plate to be connected with the side plate, and the first transmission part is sleeved on the first screw rod and is positioned at one side of the supporting plate, which is away from the supporting frame; the first driving part is in transmission connection with the first transmission part and is used for driving the first screw rod to rotate relative to the first transmission part so as to drive the first side plate to move.
The second driving piece comprises a second driving part, a second screw rod and a second transmission part, wherein the second screw rod penetrates through the second supporting plate to be connected with the second side plate, the second transmission part is sleeved on the second screw rod and is positioned on one side of the supporting plate, which is away from the supporting frame, and the second driving part is in transmission connection with the second transmission part and is used for driving the second screw rod to rotate relative to the second transmission part so as to drive the second side plate to move.
In the technical scheme of this embodiment, first lead screw (second lead screw) converts the circular motion of first drive portion (second drive portion) into the linear motion of first lead screw (second lead screw) for first lead screw (second lead screw) is deviate from the length that one side of support frame stretches out from the backup pad and is changed, thereby drives first curb plate (second curb plate) that is connected with first lead screw (second lead screw) and produces the motion.
In some embodiments, the first driving member includes a first conveyor belt, the first transmission portion and the first screw rod each include at least two and the first transmission portion and the first screw rod are sleeved in a one-to-one correspondence manner, all the first screw rods are arranged at intervals along the arrangement direction of the driving roller and the driven roller, the first conveyor belt is respectively in transmission connection with the first driving portion and all the first transmission portions, and the first conveyor belt is used for driving all the first transmission portions to rotate relative to the first screw rod.
The second driving piece comprises second conveying belts, the second transmission parts and the second screw rods comprise at least two second transmission parts and are sleeved in one-to-one correspondence, all the second screw rods are arranged at intervals along the arrangement direction of the driving roller and the driven roller, the second conveying belts are respectively connected with the second driving parts and all the second transmission parts in a transmission way, and the second conveying belts are used for driving all the second transmission parts to rotate relative to the second screw rods.
In the technical scheme of this application embodiment, can drive first axle head motion through a plurality of first lead screw drive first side board, a plurality of first lead screws and a plurality of second lead screw synchronous relative backup pad rectilinear motion to guarantee to powerful stable transmission to first curb plate and second curb plate.
In some embodiments, the first clamping assembly further comprises a connecting assembly, and the connecting assembly is arranged between the first screw rod and the first side plate, and the connecting assembly is arranged between the second screw rod and the second side plate. The connecting assembly comprises a movable connecting part, and the first screw rod and the second screw rod are rotatably connected with the support frame around a first radial direction through the movable connecting part.
In the technical scheme of this embodiment, set up mobilizable swing joint portion between first lead screw and support frame and between second lead screw and the support frame for the position that first lead screw and second lead screw and support frame are connected can be around first radial rotation, in order to guarantee that first lead screw and second lead screw can not break because of the slope that each other's motion produced.
The foregoing description is only an overview of the technical solutions of the present application, and may be implemented according to the content of the specification in order to make the technical means of the present application more clearly understood, and in order to make the above-mentioned and other objects, features and advantages of the present application more clearly understood, the following detailed description of the present application will be given.
Drawings
Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the application. Also, like reference numerals are used to designate like parts throughout the accompanying drawings. In the drawings:
FIG. 1 is a structural exploded view of a battery cell according to one or more embodiments of the present application;
FIG. 2 is a block diagram of an electrode assembly according to one or more embodiments of the present application;
FIG. 3 is a schematic perspective view of a clamping device provided in accordance with one or more embodiments of the present disclosure;
FIG. 4 is a schematic view of the clamping device provided in FIG. 3 with a second clamping assembly hidden;
FIG. 5 is a schematic view of a second clamping assembly of the clamping device provided in FIG. 3;
FIG. 6 is a schematic view of the drive roll of the nip provided in FIG. 3;
FIG. 7 is a schematic view of the drive roll of the clamping device provided in FIG. 3 mated with a pressure sensing assembly;
FIG. 8 is a schematic side view of the clamping device provided in FIG. 3;
fig. 9 is a schematic structural view of the first screw (second screw) of the clamping device provided in fig. 3 mated with the connection seat.
200. A battery cell; 210. a housing; 220. an electrode assembly; 2201. an anode pole piece; 2202. a cathode pole piece; 2203. a diaphragm; 230. an end cap; 100. a clamping device; 10. a first clamping assembly; 11. a power member; 12. a drive roll; 12a, a first shaft end; 12b, a second axial end; 121. a support part; 122. a flexible portion; 123. a connecting shaft; 13. a support frame; 131. a first side plate; 1311. an avoidance port; 132. a second side plate; 133. a top plate; 134. an accommodating space; 14. a support plate; 141. a connecting arm; 20. a second clamping assembly; 21. a connecting seat; 22. driven roller; 30. a pressure sensing assembly; 31. a first pressure sensing member; 32. a second pressure sensing member; 40. a drive assembly; 41. a first driving member; 411. a first driving section; 412. a first screw rod; 413. a first transmission part; 414. a first conveyor belt; 42. a second driving member; 421. a second driving section; 422. a second screw rod; 423. a second transmission part; 424. a second conveyor belt; 50. a connection assembly; 51. a movable connection part; 52. a base; l1, axial direction; l2, first radial direction.
Detailed Description
Embodiments of the technical solutions of the present application will be described in detail below with reference to the accompanying drawings. The following examples are only for more clearly illustrating the technical solutions of the present application, and thus are only examples, and are not intended to limit the scope of protection of the present application.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs; the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application; the terms "comprising" and "having" and any variations thereof in the description and claims of the present application and in the description of the figures above are intended to cover non-exclusive inclusions.
In the description of the embodiments of the present application, the technical terms "first," "second," etc. are used merely to distinguish between different objects and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated, a particular order or a primary or secondary relationship. In the description of the embodiments of the present application, the meaning of "plurality" is two or more unless explicitly defined otherwise.
Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment may be included in at least one embodiment of the present application. The appearances of such phrases in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. Those of skill in the art will explicitly and implicitly appreciate that the embodiments described herein may be combined with other embodiments.
In the description of the embodiments of the present application, the term "and/or" is merely an association relationship describing an association object, which means that three relationships may exist, for example, a and/or B may mean: a exists alone, A and B exist together, and B exists alone. In addition, the character "/" herein generally indicates that the front and rear associated objects are an "or" relationship.
In the description of the embodiments of the present application, the term "plurality" refers to two or more (including two), and similarly, "plural sets" refers to two or more (including two), and "plural sheets" refers to two or more (including two).
In the description of the embodiments of the present application, the orientation or positional relationship indicated by the technical terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. are based on the orientation or positional relationship shown in the drawings, and are merely for convenience of describing the embodiments of the present application and for simplifying the description, rather than indicating or implying that the apparatus or element referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the embodiments of the present application.
In the description of the embodiments of the present application, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured" and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally formed; or may be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the embodiments of the present application will be understood by those of ordinary skill in the art according to the specific circumstances.
As a green energy battery, a solar battery is widely used in view of the development of market situation. The solar battery is not only applied to a photovoltaic power generation system such as a solar power station, but also gradually applied to electric equipment such as an electric automobile. With the continuous expansion of the application field of solar cells, the market demand of the solar cells is also continuously expanding.
In the production process of the battery, an electrode assembly is required to be prepared, an anode pole piece, a cathode pole piece and a diaphragm are required to be overlapped and combined for feeding and winding during the preparation of the electrode assembly, and a clamping device is required to be arranged for flattening the pole piece or the diaphragm during the feeding and winding process so as to ensure the winding quality.
The clamping device generally comprises a driving roller and a driven roller, wherein a pole piece or a diaphragm passes through the driving roller and the driven roller and is conveyed to the downstream along with the rotation of the driving roller and the driven roller, however, if the driving roller is subjected to external force (such as manual misoperation and lifting of other equipment) or generates position deviation with the driven roller due to self gravity in the conveying process, the position deviation deviates from the original position, the clamping force of the pole piece or the diaphragm between the driving roller and the driven roller can be reduced, the clamping piece and the diaphragm cannot be effectively clamped and flattened, the position deviation is easy to generate, and even phenomena such as wrinkling and curling are caused, so that lithium is separated from the battery, and the yield of the battery is further influenced.
Based on this, in order to solve the easy offset of position or wrinkling, turn-ups scheduling problem of pole piece or diaphragm, this application provides a clamping device, through detecting the clamping force between driving roll and the driven voller when pole piece or diaphragm convey, in time carries out the position self-interacting to the driving roll when clamping force produces the change to guarantee to closely centre gripping to pole piece or diaphragm, in order to realize effective exhibition flat improvement battery yields.
The clamping device disclosed by the embodiment of the application can be used for clamping the pole piece or the diaphragm in the battery production process, and can also be used in other production devices and processes to provide clamping preparation processes of other materials.
As shown in fig. 1, in particular, the battery cell 200 includes a case 210, an end cap 230, and an electrode assembly 220, and other functional components, the case 210 is an assembly for forming an internal environment of the battery cell 200, which can be used to accommodate the electrode assembly 220, an electrolyte, and other components, and the end cap 230 is a component that is covered at an opening of the case 210 to isolate the internal environment of the battery cell 200 from the external environment. Without limitation, the shape of the end cap 230 may be adapted to the shape of the housing 210 to fit the housing 210. The end cap 230 may be made of a material having a certain hardness and strength (e.g., aluminum alloy), so that the end cap 230 is not easily deformed when being impacted by extrusion, thereby enabling the battery cell 200 to have a higher structural strength.
The electrode assembly 220 is a component in which an electrochemical reaction occurs in the battery cell 200. One or more electrode assemblies 220 may be contained within the housing 210. As shown in fig. 2, the wound electrode assembly 220 is mainly formed by winding an anode electrode sheet 2201 and a cathode electrode sheet 2202 on a winding needle 10, and a separator 2203 is generally provided between the anode electrode sheet 2201 and the cathode electrode sheet 2202. The portions of the anode and cathode electrode sheets 2201, 2202 having active material constitute the main body of the electrode assembly 220, and the portions of the anode and cathode electrode sheets 2201, 2202 having no active material constitute the tabs, respectively. The anode tab and the cathode tab may be located together in one section of the main body or separately in two sections of the main body. During the charge and discharge of the battery, the anode active material and the cathode active material react with the electrolyte, and the tabs connect the electrode segments to form a current loop.
Referring to fig. 3 to 5, according to some embodiments of the present application, a clamping device 100 is provided, including a first clamping assembly 10, a second clamping assembly 20, a pressure sensing assembly 30 and a driving assembly 40, where the first clamping assembly 10 includes a power member 11 and a driving roller 12, the power member 11 is in driving connection with the driving roller 12, the second clamping assembly 20 includes a connection seat 21 and a driven roller 22, the connection seat 21 is fixedly disposed relative to the first clamping assembly 10, the driven roller 22 is rotatably disposed on the connection seat 21, and the driven roller 22 and the driving roller 12 are disposed relatively, the driving roller 12 is configured to rotate the driven roller 22 and transmit a material therebetween when rotating, the pressure sensing assembly 30 is disposed on the driving roller 12 and is used to sense a clamping force between the driving roller 12 and the driven roller 22 when transmitting the material, the driving assembly 40 is in driving connection with the driving roller 12, and the driving assembly 40 is configured to drive at least one end of the driven roller 12 relatively to move to the driven roller 22 until the clamping force is outside a set threshold when the clamping force sensed by the pressure sensing assembly 30 is outside the set threshold.
The first clamping assembly 10 and the second clamping assembly 20 respectively clamp materials through the driving roller 12 and the driven roller 22 and flatten the materials along the axial direction L1 and the radial direction of the driving roller 12, specifically, the power piece 11 is in driving connection with the driving roller 12 and drives the driving roller 12 to rotate, as the driving roller 12 and the driven roller 22 are oppositely arranged and the driven roller 22 is rotationally connected with the connecting seat 21, the driven roller 22 is driven to rotate relative to the connecting seat 21 along the direction opposite to the rotation circumferential direction of the driving roller 12 while the driving roller 12 rotates, the driving roller 12 and the driven roller 22 jointly convey the materials between the driving roller 12 and the driven roller 22 to the downstream, and the materials can be conveyed to the other side from one side of the driving roller 12 and the driven roller 22.
The power member 11 may be connected to at least one end of the axial direction L1 of the driving roller 12 by conventional transmission means such as gear transmission, bearing transmission, belt transmission, etc., for example, as shown in fig. 6, one or both ends of the axial direction L1 of the driving roller 12 are extended with a connection shaft 123, and the power member 11 is connected to the connection shaft 123 by a pulley transmission, thereby realizing transmission.
The pressure sensing assembly 30 is a structure capable of sensing pressure when conveying materials, the driving roller 12 and the driven roller 22 rotate circumferentially, the clamping force between the driving roller 12 and the driven roller 22 is the acting force exerted by the driven roller 22 on the driving roller 12, and also the acting force exerted by the driving roller 12 or the driven roller 22 on the materials, when no offset or position movement is generated between the driving roller 12 and the driven roller 22, the clamping force is constant within a set threshold in the conveying process of the materials, so that balanced pressure is provided for the materials, and the materials are ensured to be tightly pressed between the driving roller 12 and the driven roller 22.
The set threshold is a preset value, when the clamping force between the driving roller 12 and the driven roller 22 is the set threshold, the distance between the driving roller 12 and the driven roller 22 in the arrangement direction is unchanged, the axial directions L1 of the driving roller 12 and the driven roller 22 are parallel, at the moment, materials can be tightly pressed between the driving roller 12 and the driven roller 22, and uniform speed conveying is realized when the driving roller 12 and the driven roller 22 rotate.
During the rotation of the driving roller 12, the pressure sensing assembly 30 can continuously or intermittently sense the clamping force between the driving roller 12 and the driven roller 22, when the clamping force detected in real time is outside the set threshold, the position of the driving roller 12 relative to the driven roller 22 is considered to change, at this time, the axial directions L1 of the driving roller 12 and the driven roller 22 are not parallel, and the driving assembly 40 drives the driving roller 12 to change the position, so as to adjust the driving roller 12 to the initial position to ensure that the clamping force is at the set threshold, and convey the material.
So, the clamping device 100 that this application provided can realize the self-detection and the self-interacting of drive roll 12 position, after detecting the position of drive roll 12 and produce the change, carries out automatically regulated to the position of drive roll 12 to guarantee the stability of clamping force, the material can be flattened the transportation by steadily, has alleviated the phenomenon such as material wrinkling turn-up.
Optionally, according to some embodiments of the present application, the drive roller 12 has an operating position, when the drive roller 12 is in the operating position, the axial direction L1 of the drive roller 12 is parallel to the axial direction L1 of the driven roller 22, and the drive roller 12 and the driven roller 22 abut in the direction of arrangement of both, the clamping force sensed by the pressure sensing assembly 30 being at a set threshold.
The drive roller 12 has a failure position, and when the drive roller 12 is in the failure position, at least one end of the drive roller 12 is tilted or submerged relative to the driven roller 22 along a first radial direction L2, and the clamping force sensed by the pressure sensing assembly 30 is outside a set threshold, the first radial direction L2 being parallel to the conveying direction of the material.
The drive assembly 40 is configured to drive at least one axial end L1 of the drive roller 12 relative to the driven roller 22 to switch to the operative position when the drive roller 12 is in the failed position.
It will be appreciated that the working position refers to a position where the driving roller 12 and the driven roller 22 can normally and tightly clamp and convey the material, and in this position, the local peripheries of the driving roller 12 and the driven roller 22 abut and the axial directions L1 of the two are parallel, and the pressure sensing assembly 30 senses a normal clamping force, that is, the clamping force is at a set threshold.
Further, since the driven roller 22 is connected to the connection base 21, the connection base 21 can be fixed by being connected to an external device, and thus the driven roller 22 can be regarded as being connected to the external device, which generates only a rotational movement with respect to the connection base 21. The parallel abutting state of the driving roller 12 and the driven roller 22 is destroyed under the action of self gravity or external stress (such as false pushing by a user), one end of the driving roller 12 in the axial direction L1 or both ends of the driving roller 1 can tilt or sink relative to the driven roller 22 along the first radial direction L2, at this time, the outer peripheral surfaces of the driving roller 12 and the driven roller 22 which are abutted when in a working position are partially separated, the driving roller 12 moves to a fault position, the fault position refers to a position where at least part of the outer peripheral surface of the driving roller 12 in the axial direction L1 is not abutted with the driven roller 22 so as not to normally tightly clamp and convey materials, and the clamping force between the driven roller 22 and the driving roller 12 is reduced so as to be outside a set threshold value, and under the position, the materials cannot be subjected to constant clamping force, and phenomena such as curling or wrinkling are easy to occur.
When the clamping force sensed by the pressure sensing component 30 is outside the set threshold, the driving roller 12 is determined to move from the working position to the fault position, and at the moment, the driving component 40 drives one end or two ends of the axial direction L1 of the driving roller 12 connected with the driving component to generate position movement so as to flatten the tilted one end and lift the sunk one end, so that the driving roller 12 is driven to return to the working position, the clamping force is ensured to be stable within the set threshold, and self-detection and self-adjustment of the driving roller 12 are realized.
According to some embodiments of the present application, the drive roller 12 optionally includes a first shaft end 12a and a second shaft end 12b at opposite ends of the axial direction L1, and the pressure sensing assembly 30 includes a first pressure sensing element 31 disposed at the first shaft end 12a and a second pressure sensing element 32 disposed at the second shaft end 12b, the first pressure sensing element 31 being configured to sense a clamping force between the first shaft end 12a and the driven roller 22, and the second pressure sensing element 32 being configured to sense a clamping force between the second shaft end 12b and the driven roller 22.
The driving assembly 40 is respectively connected to the first shaft end 12a and the second shaft end 12b in a driving manner, and the driving assembly 40 is configured to drive the first shaft end 12a to move when the clamping force sensed by the first pressure sensing element 31 is outside the set threshold value, and drive the second shaft end 12b to move when the clamping force sensed by the second pressure sensing element 32 is outside the set threshold value.
When the first shaft end 12a is sunk or tilted relative to the driven roller 22, the first pressure sensing element 31 senses that the clamping force of the first shaft end 12a is outside the set threshold, and at this time, the outer peripheral surface of the first shaft end 12a and the outer peripheral surface of the driven roller 22 are staggered so that the driving roller 12 is switched to the failure position, and the driving assembly 40 drives the first shaft end 12a to move so that the driving roller 12 is restored to the working position.
When the second shaft end 12b is sunk or tilted relative to the driven roller 22, the second pressure sensing element 32 senses that the clamping force of the second shaft end 12b is outside the set threshold, and at this time, the outer peripheral surface of the second shaft end 12b and the outer peripheral surface of the driven roller 22 are staggered so that the active roller 12 is switched to the failure position, and the driving assembly 40 drives the second shaft end 12b to move so that the active roller 12 is restored to the working position.
It will be appreciated that the first and second axle ends 12a, 12b may simultaneously be positionally submerged or tilted relative to the driven roller 22, and that the drive roller 12 may be moved in a generally corresponding manner to the driven roller 22 in the first radial direction L2 to effect a generally positional elevation or depression.
Thus, the position at the two ends of the axial direction L1 of the driving roller 12 can be detected independently, and the position can be controlled independently, so that the accurate adjustment of the position is ensured.
In accordance with some embodiments of the present application, referring to fig. 6 to 7, alternatively, the driving roller 12 includes a supporting portion 121 and a flexible portion 122 sleeved on the outer periphery, and the first pressure sensing element 31 and the second pressure sensing element 32 are located between the supporting portion 121 and the flexible portion 122.
The supporting portion 121 forms an inner core of the driving roller 12, the flexible portion 122 forms an outer circumferential surface of the driving roller 12, the supporting portion 121 is used for providing sufficient supporting force when conveying materials, the flexible portion 122 serves as a part directly contacting the materials, and the rigidity of the flexible portion 122 is smaller than that of the supporting portion 121 so as to flexibly support the materials and avoid damaging the materials.
Specifically, the supporting portion 121 may be an iron roller or a steel roller, and the flexible portion 122 may be a rubber structure, and the first and second pressure sensing members 31 and 32 are disposed on an outer circumferential surface of the supporting portion 121 facing the flexible portion 122 and located at the first and second shaft ends 12a and 12b, respectively.
The first pressure sensing element 31 and the second pressure sensing element 32 may be laminated on the outer surface of the supporting portion 121 in a sheet structure, when the driving roller 12 is in the working position, the first pressure sensing element 31 and the second pressure sensing element 32 both sense the clamping force at the set threshold, and at this time, the material is spread along the axial direction L1 of the driving roller 12 and is transferred along with the rotation of the driving roller 12 and the driven roller 22, and the stress is balanced and the spread state is good.
When the driving roller 12 is at the failure position, the part of the first pressure sensing element 31 and/or the part of the second pressure sensing element 32 are staggered with the driven roller 22, so that the clamping force sensed by the first pressure sensing element 31 and/or the second pressure sensing element 32 is reduced, and the position of the driving roller 12 is changed.
Further, the clamping assembly further comprises a controller electrically connected to the first pressure sensing member 31, the second pressure sensing member 32 and the driving assembly 40, wherein the real-time clamping force signals sensed by the first pressure sensing member 31 and the second pressure sensing member 32 are transmitted back to the controller, and the controller compares the received signals with a set threshold value to determine whether to start the driving assembly 40.
According to some embodiments of the present application, optionally, the support frame 13 includes a first side plate 131 and a second side plate 132 that are oppositely disposed, the first shaft end 12a is rotatably connected to the first side plate 131, the second shaft end 12b is rotatably connected to the second side plate 132, the driving assembly 40 includes a first driving member 41 and a second driving member 42, the first driving member 41 is in driving connection with the first side plate 131 and is used for driving the first side plate 131 to drive the first shaft end 12a to move, and the second driving member 42 is in driving connection with the second side plate 132 and is used for driving the second side plate 132 to drive the second shaft end 12b to move.
The power member 11 may be disposed at an outer side of the first side plate 131 away from the second side plate 132, or an outer side of the second side plate 132 away from the first side plate 131, for example, the connection shaft 123 of the driving roller 12 may pass through the first side plate 131 and/or the second side plate 132 to be connected with the power member 11 disposed at an outer side, and the power member 11 is disposed at an outer side to be spaced apart from the driving roller 12, thereby ensuring that the motion of the driving roller 12 is independent of the motion of the power member 11, and ensuring the effectiveness of the motion of the driving roller 12.
By the separate control of the first driving member 41 and the second driving member 42, the separate position control of the first shaft end 12a and the second shaft end 12b is realized, and since the two ends of the axial direction L1 of the driving roller 12 are respectively rotatably connected with the first side plate 131 and the second side plate 132, when the first side plate 131 or the second side plate 132 generates the position movement along the first radial direction L2, the first shaft end 12a or the second shaft end 12b generates the position movement along the first radial direction L2.
It should be noted that, the movement of the driving roller 12 as set forth in the present application refers to the movement of the driving roller 12 relative to the driven roller 22, and the movement of the first side plate 131 and the second side plate 132 also refers to the movement relative to the driven roller 22, where the movement of the first side plate 131 does not affect the position of the second side plate 132, and the movement of the second side plate 132 does not affect the position of the first side plate 131.
According to some embodiments of the present application, optionally, the support frame 13 further includes a top plate 133 mounted on the first side plate 131 and the second side plate 132, and the top plate 133, the first side plate 131 and the second side plate 132 define a accommodating space 134; the connecting seat 21 is disposed in the accommodating space 134, and the driven roller 22 extends out of the accommodating space 134.
The first side plate 131, the second side plate 132 and the top plate 133 may be all of a common plate structure, and are connected with each other to form a mounting foundation of the driving roller 12, the supporting frame 13 is used as the mounting foundation of the driving roller 12, the driven roller 22 is covered outside the mounting foundation connecting seat 21 of the driven roller 22, the driven roller 22 extends outside the accommodating space 134 and is arranged opposite to the driving roller 12 connected with the supporting frame 13, when the driving roller 12 is in a fault position, the first side plate 131 and/or the second side plate 132 connected with the driving roller 12 generate position movement, and the top plate 133 generates position deflection.
Specifically, referring to fig. 8, the first side plate 131 and the second side plate 132 are provided with an avoidance port 1311, the driven roller 22 may face the avoidance port 1311 and avoid the first side plate 131 and the second side plate 132 through the avoidance port 1311, and the driven roller 22 may be seen from the avoidance port 1311 from one side of the first side plate 131 or one side of the second side plate 132, so as to ensure that the driven roller 22 is not connected with the first side plate 131 and the second side plate 132.
According to some embodiments of the present application, optionally, the first clamping assembly 10 includes a support plate 14, where the support plate 14 is fixedly disposed relative to the support frame 13, and the first driving member 41 and the second driving member 42 are disposed on a side of the support plate 14 facing away from the support frame 13 and are in driving connection with the first side plate 131 and the second side plate 132, respectively.
The support plate 14 comprises a connecting arm 141, and the support plate 14 is fixedly connected with an external device through the connecting arm 141, that is, the support plate 14 and the structure on the support plate 14 are both fixed relative to the external device, specifically, the support plate 14 may be disposed facing the top plate 133 and be provided with a first driving member 41 and a second driving member 42 on a side of the support plate 14 facing away from the top plate 133, and the first driving member 41 and the second driving member 42 may pass through the support plate 14 to be in driving connection with the first side plate 131 and the second side plate 132, as described in detail below.
The support plate 14 provides a mounting basis for the arrangement of the first drive member 41 and the second drive member 42, and as such, the components of the clamping device 100 of the present application that are capable of producing motion are the drive roller 12 and the support bracket 13 connected to the drive roller 12.
According to some embodiments of the present application, optionally, the first driving member 41 includes a first driving portion 411, a first screw rod 412, and a first transmission portion 413, where the first screw rod 412 passes through the support plate 14 to be connected with the side plate, and the first transmission portion 413 is sleeved on the first screw rod 412 and is located on a side of the support plate 14 away from the support frame 13; the first driving part 411 is in driving connection with the first transmission part 413 and is used for driving the first screw rod 412 to rotate relative to the first transmission part 413 so as to drive the first side plate 131 to move.
The second driving piece 42 includes a second driving portion 421, a second lead screw 422, and a second transmission portion 423, where the second lead screw 422 passes through the second support plate 14 and is connected to the second side plate 132, the second transmission portion 423 is sleeved on the second lead screw 422 and is located at one side of the support plate 14 away from the support frame 13, and the second driving portion 421 is in transmission connection with the second transmission portion 423 and is used to drive the second lead screw 422 to rotate relative to the second transmission portion 423 so as to drive the second side plate 132 to move.
Specifically, the first driving portion 411 and the second driving portion 421 may have a structure such as a driving motor, the first screw 412 and the second screw 422 may have a same structure, and the first transmission portion 413 and the second transmission portion 423 may have a same structure, taking the first driving member 41 as an example:
the first driving part 411 works to transmit power to the first transmission part 413, and since the first transmission part 413 is sleeved on the first screw rod 412 and is located at one side of the support plate 14 away from the support frame 13, when the first transmission part 413 is forced to rotate, the first screw rod 412 converts the circular motion of the first transmission part 413 into the linear motion of the first screw rod 412, so that the length of the first screw rod 412 extending from one side of the support plate 14 away from the support frame 13 is changed, and the first side plate 131 connected with the first screw rod 412 is driven to move.
It will be appreciated that when the first transmission portion 413 is rotated in a clockwise or counterclockwise direction, the length of the first lead screw 412 extending from the side of the support plate 14 facing away from the support bracket 13 may be shortened or lengthened to raise or lower the first side plate 131 to effect movement of the first shaft end 12 a.
The first transmission portion 413 may be a nut structure, threads are formed on the outer periphery of the first screw rod 412, and the nut structure is sleeved on the outer periphery of the first screw rod 412, and along with the circumferential rotation of the nut structure, the first screw rod 412 moves linearly relative to the support plate 14.
It will be appreciated that the specific movement of the second driving member 42 is the same as that of the first driving member 41, and will not be described in detail herein.
According to some embodiments of the present application, optionally, the first driving member 41 includes a first conveying belt 414, the first transmission portion 413 and the first screw rod 412 each include at least two first transmission portions 413 and first screw rods 412 are sleeved in a one-to-one correspondence manner, all the first screw rods 412 are disposed at intervals along the arrangement direction of the driving roller 12 and the driven roller 22, the first conveying belt 414 is respectively in transmission connection with the first driving portion 411 and all the first transmission portions 413, and the first conveying belt 414 is used for driving all the first transmission portions 413 to rotate relative to the first screw rods 412, so that the first side plates 131 are driven by the plurality of first screw rods 412 to drive the first shaft ends 12a to move.
The second driving piece 42 includes a second conveying belt 424, the second transmission portion 423 and the second screw rod 422 include at least two second transmission portions 423 and second screw rods 422 that are sleeved in a one-to-one correspondence manner, all the second screw rods 422 are arranged at intervals along the arrangement direction of the driving roller 12 and the driven roller 22, the second conveying belt 424 is respectively in transmission connection with the second driving portion 421 and all the second transmission portions 423, and the second conveying belt 424 is used for driving all the second transmission portions 423 to rotate relative to the second screw rods 422, so that the first side plate 131 is driven by the plurality of first screw rods 412 to drive the first shaft end 12a to move.
In one embodiment, the first screw rod 412 and the second screw rod 422 may each include two, and the two first screw rods 412 and the two second screw rods 422 synchronously move linearly relative to the support plate 14 to ensure a strong and stable transmission to the first side plate 131 and the second side plate 132.
Optionally, referring to fig. 1, 2 and 9, the first clamping assembly 10 further includes a connecting assembly 50, and the connecting assembly 50 is disposed between the first screw 412 and the first side plate 131, and between the second screw 422 and the second side plate 132.
The connection assembly 50 includes a movable connection portion 51, and the first screw 412 and the second screw 422 are rotatably connected to the support frame 13 around a first radial direction L2 through the movable connection portion 51.
It will be appreciated that when the first screw rod 412 moves in position relative to the support plate 14, the second screw rod 422 may not move in position, and there may be unequal lengths of the first screw rod 412 between the support plate 14 and the top plate 133 and the second screw rod 422 between the support plate 14 and the top plate 133, if one side is shortened, and if the other side is rigidly connected, the risk of breakage may be easily generated, and in order to alleviate this, movable connecting portions 51 are provided between the first screw rod 412 and the support frame 13 and between the second screw rod 422 and the support frame 13, so that the positions where the first screw rod 412 and the second screw rod 422 are connected to the support frame 13 may be rotated about the first radial direction L2, so as to ensure that the first screw rod 412 and the second screw rod 422 cannot be broken due to the inclination generated by the movement of each other.
Specifically, the connecting assembly 50 further includes a base 52, the base 52 is connected to one sides of the first side plate 131 and the second side plate 132 facing the support plate 14, and the first screw 412 and the second screw 422 rotate with one side of the base 52 facing away from the first side plate 131 and the second side plate 132 through the movable connection portion 51.
Referring to fig. 3 to 9, a clamping device 100 is provided, and includes a first clamping assembly 10, a second clamping assembly 20, a pressure sensing assembly 30 and a driving assembly 40, wherein the first clamping assembly 10 includes a supporting frame 13, a supporting plate 14, a power member 11 and a driving roller 12, the second clamping assembly 20 includes a connecting seat 21 and a driven roller 22, the pressure sensing assembly 30 includes a first pressure sensing member 31 disposed at a first shaft end 12a of the driving roller 12 and a second pressure sensing member 32 disposed at a second shaft end 12b, the driving assembly 40 includes a first driving member 41 in driving connection with the first shaft end 12a and a second driving member 42 in driving connection with the second shaft end 12b, and when the driving roller 12 rotates in a working position, the driving roller 22 drives the driven roller 22 in contact with the driving roller to rotate and conveys materials passing between the driving roller and the driven roller downstream, and at this time, the parallelism of the driving roller 12 and the driven roller 22 is good, and the materials can be effectively flattened and conveyed. When the driving roller 12 is moved to the failure position, the first pressure sensing member 31 and the second pressure sensing member 32 can sense whether the first shaft end 12a and the second shaft end 12b are moved in position or not through detection of the clamping force, so that the position of the driving roller 12 is adjusted through the corresponding first driving member 41 and the second driving member 42, and the driving roller 12 is reset to the working position, thereby ensuring the parallelism of the driving roller 12 and the driven roller 22, and realizing self-detection and self-adjustment. When the materials are the anode pole piece 2201, the cathode pole piece 2202 or the diaphragm 2203 for forming the battery, the wrinkling and curling phenomena of the anode pole piece 2201, the cathode pole piece 2202 or the diaphragm 2203 can be relieved, and the yield of the battery is improved.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present application, and not for limiting the same; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the embodiments, and are intended to be included within the scope of the claims and description. In particular, the technical features mentioned in the respective embodiments may be combined in any manner as long as there is no structural conflict. The present application is not limited to the specific embodiments disclosed herein, but encompasses all technical solutions falling within the scope of the claims.
Claims (8)
1. A clamping device, comprising:
the first clamping assembly comprises a power piece and a driving roller, the power piece is in driving connection with the driving roller, and the driving roller comprises a first shaft end and a second shaft end which are positioned at two axial ends;
the second clamping assembly comprises a connecting seat and a driven roller, the connecting seat is fixedly arranged relative to the first clamping assembly, the driven roller is rotatably arranged on the connecting seat, the driven roller and the driving roller are oppositely arranged, and the driving roller is configured to drive the driven roller to rotate and convey materials between the driven roller and the driving roller when rotating;
The pressure sensing assembly is arranged on the driving roller and is used for sensing the clamping force between the driving roller and the driven roller when materials are conveyed, and comprises a first pressure sensing piece arranged at the first shaft end and a second pressure sensing piece arranged at the second shaft end, wherein the first pressure sensing piece is used for sensing the clamping force between the first shaft end and the driven roller, and the second pressure sensing piece is used for sensing the clamping force between the second shaft end and the driven roller;
the driving roller is provided with a working position, when the driving roller is positioned at the working position, the axial direction of the driving roller is parallel to the axial direction of the driven roller, the driving roller and the driven roller are abutted along the arrangement direction of the driving roller and the driven roller, and the clamping force sensed by the pressure sensing assembly is positioned at a set threshold value;
the driving roller is provided with a fault position, when the driving roller is positioned at the fault position, at least one end of the driving roller is tilted or sunk relative to the driven roller along a first radial direction, the clamping force sensed by the pressure sensing assembly is outside the set threshold, and the first radial direction is parallel to the conveying direction of the materials;
The driving assembly is in driving connection with the first shaft end and the second shaft end respectively, and is used for driving the first shaft end to move when the clamping force sensed by the first pressure sensing piece is out of the set threshold value, and driving the second shaft end to move when the clamping force sensed by the second pressure sensing piece is out of the set threshold value, so that the driving roller is driven to move to the working position relative to the driven roller when the driving roller is in the fault position.
2. The clamping device as recited in claim 1, characterised in that the drive roller comprises a support portion and a flexible portion surrounding the support portion, the first and second pressure sensing members being located between the support portion and the flexible portion.
3. The clamping device of claim 2, wherein the first clamping assembly comprises a support frame comprising a first side plate and a second side plate disposed opposite each other, the first shaft end being rotatably connected to the first side plate, the second shaft end being rotatably connected to the second side plate;
the driving assembly comprises a first driving piece and a second driving piece, wherein the first driving piece is in driving connection with the first side plate and is used for driving the first side plate to drive the first shaft end to move, and the second driving piece is in driving connection with the second side plate and is used for driving the second side plate to drive the second shaft end to move.
4. The clamping device as recited in claim 3, wherein the support frame further comprises a top plate mounted on the first side plate and the second side plate, the top plate, the first side plate and the second side plate defining a receiving space;
the connecting seat is fixedly arranged in the accommodating space, and the driven roller extends out of the accommodating space.
5. The clamping device of claim 4, wherein the first clamping assembly comprises a support plate fixedly disposed relative to the support frame;
the first driving piece and the second driving piece are arranged on one side, away from the supporting frame, of the supporting plate and are respectively in transmission connection with the first side plate and the second side plate.
6. The clamping device according to claim 5, wherein the first driving member comprises a first driving portion, a first screw rod and a first transmission portion, the first screw rod penetrates through the supporting plate to be connected with the side plate, and the first transmission portion is sleeved on the first screw rod and is located on one side, away from the supporting frame, of the supporting plate; the first driving part is in transmission connection with the first transmission part and is used for driving the first screw rod to rotate relative to the first transmission part so as to drive the first side plate to move;
The second driving piece comprises a second driving part, a second screw rod and a second transmission part, the second screw rod penetrates through the supporting plate to be connected with the second side plate, and the second transmission part is sleeved on the second screw rod and is positioned on one side of the supporting plate, which is away from the supporting frame; the second driving part is in transmission connection with the second transmission part and is used for driving the second screw rod to rotate relative to the second transmission part so as to drive the second side plate to move.
7. The clamping device according to claim 6, wherein the first driving member comprises a first conveyor belt, the first transmission part and the first screw rod comprise at least two first transmission parts and the first screw rod are sleeved in a one-to-one correspondence manner, all the first screw rods are arranged at intervals along the arrangement direction of the driving roller and the driven roller, and the first conveyor belt is respectively connected with the first transmission part and all the first transmission parts in a transmission manner;
the second driving piece comprises a second conveying belt, the second transmission parts and the second screw rods comprise at least two second transmission parts and are sleeved in one-to-one correspondence, all the second screw rods are arranged at intervals along the arrangement direction of the driving roller and the driven roller, and the second conveying belt is respectively in transmission connection with the second driving parts and all the second transmission parts.
8. The clamping device of claim 7, wherein the first clamping assembly further comprises a connection assembly, the connection assembly being provided between the first lead screw and the first side plate and between the second lead screw and the second side plate;
the connecting assembly comprises a movable connecting part, and the first screw rod and the second screw rod are rotatably connected with the support frame around the first radial direction through the movable connecting part.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311443836.4A CN117163722B (en) | 2023-11-02 | 2023-11-02 | Clamping device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311443836.4A CN117163722B (en) | 2023-11-02 | 2023-11-02 | Clamping device |
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| CN117163722A CN117163722A (en) | 2023-12-05 |
| CN117163722B true CN117163722B (en) | 2024-04-05 |
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| CN117163722A (en) | 2023-12-05 |
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