Deviation correcting device for lithium battery material extrusion type coating machine

Abstract

The utility model discloses a deviation rectifying device for a lithium battery material extrusion type coating machine, which relates to the field of lithium battery processing, and comprises a base, a deviation rectifying component is arranged at the top end of the base, steering seats are symmetrically arranged at the top end of the deviation rectifying component, a tensioning component is arranged between the two groups of steering seats, and an elastic sleeve is sleeved on the outer side of the tensioning component. An infrared sensor, a first conveying shaft and a second conveying shaft which are matched with the base are sequentially arranged on one side of the elastic sleeve from right to left. Under the matching action of the deviation correcting assembly, the tensioning assembly, the infrared sensor, the first conveying shaft and the second conveying shaft, in the lithium battery material processing process, when an extrusion type coating machine is used for coating operation, the material belt can be automatically detected, the deviation of a coating layer of the material belt can be adjusted, it is ensured that the coating thickness and position are consistent, and the coating efficiency is improved. Therefore, the stability and the consistency of the battery performance are ensured, and the battery performance reduction or potential safety hazards caused by coating defects are avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of lithium battery processing, specifically, relate to a kind of deviation rectifying device for lithium battery material extrusion coating machine. BACKGROUND

[0002] In the production and processing of lithium battery, extrusion coating machine is needed in coating process, and lithium battery material extrusion coating machine is a kind of equipment that uniformly coats high-viscosity active material slurry on substrate through precision mold and extrusion device. It ensures the continuity and accuracy of the coating process by simulating the actual working state, and is suitable for mass production, which is a key equipment for preparing electrode sheet in lithium battery manufacturing.

[0003] During the coating process of lithium battery coating machine, due to equipment operation, slurry flow or environmental factors, the coating layer may deviate, which may cause uneven internal structure of the battery, capacity decline, cycle life shortening, and even short circuit risk, thereby affecting the overall performance, safety and product quality of the battery.

[0004] In the prior art, limiting baffle is usually used for deviation rectification. When the material belt deviates during coating, the material belt will be extruded by the baffle, which may cause deformation and other defects of the material belt. Moreover, after long-time coating operation of lithium battery coating machine, the contact between the material belt and the conveying roller may not be tight enough, which may increase the possibility of deviation of the material belt, thereby affecting the overall performance and quality of the battery.

[0005] At present, there is no effective solution to the problems in the related art. UTILITY MODEL CONTENT

[0006] To overcome the above technical problems existing in the prior art, the utility model provides a kind of deviation rectifying device for lithium battery material extrusion coating machine.

[0007] Therefore, the utility model adopts the following specific technical solutions:

[0008] A kind of deviation rectifying device for lithium battery material extrusion coating machine, including base, the top of base is provided with deviation rectifying component, the top of deviation rectifying component is symmetrically provided with steering seat, tensioning assembly is provided between two groups of steering seats, elastic sleeve is sleeved outside tensioning assembly, infrared sensor, conveying shaft one and conveying shaft two are sequentially arranged on one side of elastic sleeve from right to left and matched with base;The shape of steering seat is L shape, and the outer side angle of steering seat is provided with smooth fillet.

[0009] Further, in order to correct the deviation of the material belt, the deviation correcting assembly comprises driving members and driven members arranged on both sides of the top end of the base respectively, and the driving members and the driven members are connected with the tensioning assembly through the steering seats; the driving member comprises a fixed plate one arranged symmetrically on one side of the top end of the base, a lead screw is arranged between the middle positions of the two groups of fixed plate ones, one end of the lead screw is provided with a motor matched with the fixed plate one, the two sides of the lead screw are symmetrically provided with limiting rods one matched with the two groups of fixed plate ones, and the outer sides of the lead screw and the two groups of fixed plate ones are sleeved with sliding blocks one matched with the steering seats; the driven member comprises a fixed plate two arranged symmetrically on the other side of the top end of the base, limiting rods two are arranged symmetrically between the two groups of fixed plate two, and the outer sides of the two groups of limiting rods two are sleeved with sliding blocks two matched with the steering seats.

[0010] Further, in order to make the material belt closely fit with the elastic sleeve, the tensioning assembly comprises a rotating shaft arranged between the two groups of steering seats, the inside of the rotating shaft is a hollow structure, the outer sides of the rotating shaft are symmetrically provided with limiting plates, and the sides close to each other of the two groups of limiting plates are both provided with limiting grooves one; a plurality of limiting grooves two matched with the limiting grooves one are uniformly arranged on the circumferential outer side of the rotating shaft, the inside of the rotating shaft is provided with a movable rod, one side of the movable rod is provided with an electric push rod matched with the steering seat, a plurality of limiting grooves three matched with the limiting grooves two are uniformly arranged on the circumferential outer side of the movable rod, the inside of the limiting grooves three is provided with a plurality of connecting rods, and the other ends of the connecting rods are provided with supporting plates matched with the limiting grooves one; the shape of the outside of the limiting grooves one is a cross shape, and the top end of the supporting plate is a circular arc shape.

[0011] The beneficial effects of the present application are as follows:

[0012] 1. In the cooperation of the deviation correcting assembly, the tensioning assembly, the infrared sensor, the conveying shaft one and the conveying shaft two, the material belt can be automatically detected and the deviation of the material belt coating layer can be adjusted when the extrusion coater is used for coating in the process of lithium battery material processing, the thickness and position of the coating are consistent, the stability and consistency of the battery performance are ensured, and the performance decline or safety hazard of the battery caused by coating defects is avoided.

[0013] 2. Under the action of the deviation correcting assembly and the tensioning assembly, when the material belt deviates during coating, the material belt is prevented from being extruded, the material belt can be closely fitted with the elastic sleeve, the stability of the material belt during coating is improved, and the performance and quality of the lithium battery as a whole are improved. BRIEF DESCRIPTION OF DRAWINGS

[0014] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the drawings needed in the embodiments will be briefly introduced as follows. Obviously, the drawings in the following description only constitute some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained from these drawings without creative labor.

[0015] Figure 1 is a structural schematic view of a deviation rectifying device for a lithium battery material extrusion coating machine according to an embodiment of the present application;

[0016] Figure 2 is a structural schematic view of the deviation rectifying device for the lithium battery material extrusion coating machine according to an embodiment of the present application from another angle;

[0017] Figure 3 is Figure 2 a local enlarged view of position A in FIG. 1;

[0018] Figure 4 is Figure 2 a local enlarged view of position B in FIG. 1;

[0019] Figure 5 is a sectional view of the deviation rectifying device for the lithium battery material extrusion coating machine according to an embodiment of the present application;

[0020] Figure 6 is Figure 5 a local enlarged view of position C in FIG. 1.

[0021] In the drawings:

[0022] 1, base; 2, deviation rectifying assembly; 201, driving piece; 2011, fixed plate one; 2012, screw rod; 2013, motor; 2014, limiting rod one; 2015, sliding block one; 202, driven piece; 2021, fixed plate two; 2022, limiting rod two; 2023, sliding block two; 3, steering seat; 4, tensioning assembly; 401, rotating shaft; 402, limiting plate; 403, limiting groove one; 404, limiting groove two; 405, movable rod; 406, electric push rod; 407, limiting groove three; 408, connecting rod; 409, support plate; 5, elastic sleeve; 6, infrared sensor; 7, conveying shaft one; 8, conveying shaft two. DETAILED DESCRIPTION

[0023] To further illustrate the embodiments, the utility model provides has the drawing, these drawings are part of the utility model disclosure, it is mainly used to illustrate the embodiment, and can cooperate with the related description of the specification to explain the operating principle of the embodiment, cooperate with reference to these contents, the person skilled in the art should be able to understand other possible implementation ways and the advantages of the utility model, the components in the drawing are not drawn to scale, and similar component symbols are usually used to represent similar components.

[0024] According to the embodiment of the utility model, a deviation rectifying device for lithium battery material extrusion coating machine is provided.

[0025] The utility model is further illustrated by combining with the specific embodiment and the drawing, as shown in the figure, Figures 1-6 The deviation rectifying device for lithium battery material extrusion coating machine according to the embodiment of the utility model includes a base 1, the top end of the base 1 is provided with a deviation rectifying assembly 2, the top end of the deviation rectifying assembly 2 is symmetrically provided with a steering seat 3, a tensioning assembly 4 is arranged between the two steering seats 3, an elastic sleeve 5 (the elastic sleeve 5 has good elasticity and can contract along with the tensioning assembly 4) is arranged on the outer side of the tensioning assembly 4, an infrared sensor 6, a transmission shaft one 7 and a transmission shaft two 8 matched with the base 1 are sequentially arranged on one side of the elastic sleeve 5 from right to left; the steering seat 3 is in the shape of L, and the outer side corners of the steering seat 3 are all provided with smooth fillets.

[0026] By means of the above technical scheme, under the cooperation of the deviation rectifying assembly 2, the tensioning assembly 4, the infrared sensor 6, the transmission shaft one 7 and the transmission shaft two 8, in the process of processing lithium battery material, when using the extrusion coating machine to perform coating work, the material belt can be automatically detected and the deviation of the material belt coating layer can be adjusted, the thickness and position of coating are ensured to be consistent, thereby the stability and consistency of battery performance are ensured, and the performance decline or safety hazard of the battery caused by coating defects is avoided; under the action of the deviation rectifying assembly 2 and the tensioning assembly 4, when the material belt deviates during coating, the material belt is prevented from being extruded, and the material belt can be closely attached to the elastic sleeve 5, the stability of the material belt during coating work is improved, and thereby the performance and quality of the lithium battery as a whole are improved.

[0027] It needs to be explained that the working principle of the infrared sensor 6 is based on the infrared radiation emitted by an object, which is converted into an electrical signal by receiving these radiations, so as to realize detection and measurement; the infrared sensor 6 usually includes an optical sensing module, a detection element and a signal processing circuit, wherein the optical sensing module collects infrared radiation, the detection element converts the infrared radiation into an electrical signal, and the signal processing circuit amplifies, filters and analyzes these signals, and finally outputs information about the temperature, position or existence of the target object, which is prior art and will not be explained too much here.

[0028] In addition, it needs to be explained that the deviation rectifying device of the utility model can not only rectify deviation during the coating process of the lithium battery material extrusion coating machine, but also can adjust the parameters of the deviation rectifying assembly 2 and the tension assembly 4, and according to different parameters, it is suitable for rectifying deviation during the coating process of other different product coating machines, and the efficiency of rectifying deviation of other different product coating machines is improved.

[0029] In one embodiment, for the above-mentioned deviation rectifying assembly 2, the deviation rectifying assembly 2 includes driving members 201 and driven members 202 arranged on both sides of the top end of the base 1 respectively, and the driving members 201 and the driven members 202 are connected with the tension assembly 4 through the steering seats 3; the driving members 201 include fixed plates one 2011 symmetrically arranged on one side of the top end of the base 1, a screw rod 2012 is arranged between the middle positions of the two groups of fixed plates one 2011, one end of the screw rod 2012 is provided with a motor 2013 matched with the fixed plate one 2011, the two sides of the screw rod 2012 are symmetrically provided with limiting rods one 2014 matched with the two groups of fixed plates one 2011, and the outer sides of the screw rod 2012 and the two groups of fixed plates one 2011 are sleeved with sliding blocks one 2015 matched with the steering seats 3; the driven members 202 include fixed plates two 2021 symmetrically arranged on the other side of the top end of the base 1, limiting rods two 2022 are symmetrically arranged between the two groups of fixed plates two 2021, and the outer sides of the two groups of limiting rods two 2022 are sleeved with sliding blocks two 2023 matched with the steering seats 3; so that the deviation of the material belt can be rectified.

[0030] The working principle of the deviation rectifying assembly 2 is as follows:

[0031] When the infrared sensor 6 detects that the material belt deviates, the infrared sensor 6 sends an electric signal to the external control panel, after the external control panel receives the electric signal, the motor 2013 in the driving member 201 is controlled and started, under the rotating action of the output shaft of the motor 2013, the screw rod 2012 is driven to rotate, under the rotating action of the screw rod 2012, the sliding block one 2015 is driven to move horizontally along the limiting rod one 2014, under the moving action of the sliding block one 2015 and the cooperation of the two groups of steering seats 3, the tension assembly 4 is driven to rotate, at this time, the other side of the tension assembly 4 is cooperated with the sliding block two 2023 along the limiting rod two 2022 in the driven member 202, so as to ensure the stability of the rotation of the tension assembly 4, by adjusting the horizontal rotation angle of the tension assembly 4, the deviation rectifying operation of the material belt conveying angle is realized.

[0032] In one embodiment, for the above-mentioned tensioning assembly 4, the tensioning assembly 4 comprises a rotating shaft 401 arranged between the two groups of steering seats 3, and the rotating shaft 401 is hollow inside, and the outer side of the rotating shaft 401 is symmetrically provided with a limiting plate 402, and the side of the two groups of limiting plates 402 close to each other is provided with a limiting groove one 403; the circumferential outer side of the rotating shaft 401 is uniformly provided with a plurality of limiting grooves two 404 matched with the limiting groove one 403, and the inside of the rotating shaft 401 is provided with a movable rod 405, and one side of the movable rod 405 is provided with an electric push rod 406 matched with the steering seat 3, and the circumferential outer side of the movable rod 405 is uniformly provided with a plurality of limiting grooves three 407 matched with the limiting grooves two 404 respectively, and the inside of the limiting grooves three 407 is provided with a plurality of connecting rods 408, and the other end of the connecting rods 408 is provided with a supporting plate 409 matched with the limiting groove one 403; the shape of the outside of the limiting groove one 403 is a cross shape, and the top end of the supporting plate 409 is a circular arc shape; so that the material belt can be closely attached to the elastic sleeve 5.

[0033] The working principle of the tensioning assembly 4 is as follows:

[0034] When the material belt and the elastic sleeve 5 are not closely attached or the material belt is too tight, through the external control panel, the electric push rod 406 is controlled and started, under the extension and retraction of the output shaft of the electric push rod 406, the movable rod 405 is driven to move horizontally along the inside of the rotating shaft 401, under the movement of the movable rod 405, the connecting rod 408 is driven to rotate, so that the plurality of supporting plates 409 are close to or away from each other under the cooperation of the limiting groove one 403 and the limiting groove two 404, and under the action of the plurality of supporting plates 409 close to or away from each other, the diameter of the elastic sleeve 5 is increased or decreased.

[0035] In order to facilitate the understanding of the above technical scheme of the utility model, the working principle or operation mode of the utility model in the actual process is described in detail below.

[0036] In actual application, the material belt passes through the tensioning assembly 4, passes through the infrared sensor 6, and is conveyed by the conveying shaft one 7 and the conveying shaft two 8, when the material belt deviates during the coating operation of the lithium battery material, the infrared sensor 6 detects it and transmits the electric signal to the external control panel, and then the external control panel controls and starts the driving part 201 in the deviation correcting assembly 2, under the cooperation of the driving part 201 and the driven part 202 in the deviation correcting assembly 2, the rotating angle of the tensioning assembly 4 can be adjusted, and under the rotating action of the tensioning assembly 4, the deviation of the material belt is corrected.

[0037] When the material belt and the elastic sleeve 5 are not closely attached or the material belt is too tight, through the external control panel, the tensioning assembly 4 is controlled and started, and the diameter of the elastic sleeve 5 is adjusted.

[0038] The working principles of the deviation rectifying assembly 2 and the tension assembly 4 are as shown above.

[0039] In summary, by means of the above technical scheme of the utility model, under the cooperation of the deviation rectifying assembly 2, the tension assembly 4, the infrared sensor 6, the conveying shaft one 7 and the conveying shaft two 8, in the process of processing lithium battery materials, when using the extrusion coater to perform coating work, the material belt can be automatically detected and the deviation of the material belt coating layer can be adjusted, the thickness and position of coating are ensured to be consistent, thereby the stability and consistency of battery performance are ensured, and the battery performance decline or safety hazards caused by coating defects are avoided; under the action of the deviation rectifying assembly 2 and the tension assembly 4, when the material belt deviates during coating, the extrusion of the material belt is avoided, and the material belt can be closely attached to the elastic sleeve 5, the stability of the material belt during coating is improved, thereby the overall performance and quality of the lithium battery are improved.

[0040] In the utility model, unless another definite provision and limitation, the terms "mount", "set", "connect", "fix", "screw" and other terms should be broad understanding, for example, can be fixed connection, also can be detachable connection, or be integrated, can be mechanical connection, also can be electrical connection, can be directly connected, also can pass through intermediate medium indirectly connect, can be two element internal communication or two element mutual action relation, unless another definite limitation, for the ordinary skilled in the art, can understand the specific meaning of the above terms in the utility model according to specific circumstances.

[0041] The above only is the preferred embodiment of the utility model, and does not limit the utility model, and any modification, equivalent replacement, improvement etc. that are made within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A deviation rectifying device for an extrusion coater for lithium battery materials, comprising a base (1), characterized in that, The top end of the base (1) is provided with a deviation rectifying assembly (2), the top end of the deviation rectifying assembly (2) is symmetrically provided with a steering seat (3), two groups of the steering seats (3) are provided with a tensioning assembly (4), the outer side of the tensioning assembly (4) is sleeved with an elastic sleeve (5), and the elastic sleeve (5) is sequentially provided with an infrared sensor (6), a conveying shaft one (7) and a conveying shaft two (8) from right to left on one side and matched with the base (1).

2. The deviation rectifying device for a lithium battery material extrusion coater according to claim 1, characterized in that, The steering seat (3) is in L-shaped shape, and the outer side corners of the steering seat (3) are all provided with smooth fillets.

3. The deviation rectifying device for a lithium battery material extrusion coater according to claim 2, characterized in that, The deviation rectifying assembly (2) comprises driving members (201) and driven members (202) respectively arranged at the top ends of the base (1) on both sides, and the driving members (201) and the driven members (202) are all connected with the tensioning assembly (4) through the steering seat (3).

4. The deviation rectifying device for a lithium battery material extrusion coater according to claim 3, characterized in that, The driving member (201) comprises a fixed plate one (2011) symmetrically arranged at one side of the top end of the base (1), a lead screw (2012) is arranged between the middle positions of two groups of the fixed plate one (2011), one end of the lead screw (2012) is provided with a motor (2013) matched with the fixed plate one (2011), the two sides of the lead screw (2012) are symmetrically provided with limiting rods one (2014) matched with two groups of the fixed plate one (2011), and the outer sides of the lead screw (2012) and two groups of the fixed plate one (2011) are sleeved with sliding blocks one (2015) matched with the steering seat (3).

5. The deviation rectifying device for a lithium battery material extrusion coater according to claim 4, characterized in that, The driven member (202) comprises a fixed plate two (2021) symmetrically arranged at the other side of the top end of the base (1), limiting rods two (2022) are symmetrically arranged between two groups of the fixed plate two (2021), and the outer sides of two groups of the limiting rods two (2022) are sleeved with sliding blocks two (2023) matched with the steering seat (3).

6. The deviation rectifying device for a lithium battery material extrusion coater according to claim 1, wherein The tensioning assembly (4) comprises a rotating shaft (401) arranged between two groups of the steering seats (3), the rotating shaft (401) is in a hollow structure, limiting plates (402) are symmetrically arranged on the outer side of the rotating shaft (401), and limiting grooves one (403) are formed on the sides of the limiting plates (402) close to each other. A plurality of limiting grooves two (404) matched with the limiting grooves one (403) are uniformly formed on the circumferential outer side of the rotating shaft (401), the rotating shaft (401) is provided with a movable rod (405) in the inside, one side of the movable rod (405) is provided with an electric push rod (406) matched with the steering seat (3), a plurality of limiting grooves three (407) matched with the limiting grooves two (404) are uniformly formed on the circumferential outer side of the movable rod (405), and a plurality of connecting rods (408) are arranged in the limiting grooves three (407), and the other ends of the connecting rods (408) are provided with supporting plates (409) matched with the limiting grooves one (403).

7. The deviation rectifying device for a lithium battery material extrusion coater according to claim 6, characterized in that, The shape of the outside of the limiting groove one (403) is a cross shape, and the top end of the supporting plate (409) is a circular arc shape.

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