Strip threading mechanism and drying oven

Abstract

The utility model relates to the technical field of drying ovens, and discloses a tape threading mechanism and a drying oven, the tape threading mechanism comprises a support; a connecting shaft penetrates through the chain wheel, and the chain wheel is rotationally connected with the connecting shaft; the guide assembly comprises a guide rail, the guide rail is rotationally connected with the support, a fixing piece used for clamping or loosening the connecting shaft is arranged on the guide rail, and a guide groove is formed in the guide rail; the chain is in meshed connection with the chain wheel, the chain is arranged in the guide groove in a penetrating mode, and the guide rail guides conveying of the chain at the guide groove. The drying oven comprises the belt threading mechanism, and a heating mechanism used for drying the pole pieces is arranged on one side of the belt threading mechanism. The utility model has the technical effects that the chain is prevented from shaking and falling off, and the use safety is improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of oven, concretely relates to a threading mechanism and oven. BACKGROUND

[0002] The pole piece is an important component of lithium battery, and the production of the pole piece mainly includes slurry preparation, coating and drying. The pole piece after coating is usually dried by using an oven. The oven heats the pole piece, and a large amount of solvent in the coating slurry evaporates, so that the coating is solidified.

[0003] In the related art, the oven includes a box body, a threading mechanism and a heating mechanism are arranged in the box body. The threading mechanism conveys the pole piece, so that the pole piece passes through the heating mechanism to be heated and dried. The threading mechanism mainly includes a threading rod. The head of the pole piece is wound and fixed on the threading rod, and the threading rod drags the pole piece to move. One end of the threading rod is provided with a chain. The chain is engaged with a sprocket. The chain is driven to be conveyed by rotating the sprocket. The threading rod moves with the chain to realize the threading of the pole piece.

[0004] However, when the size of the pole piece to be threaded is large, the tension borne by the threading rod during the threading process is large and uneven. The threading rod is difficult to realize stable threading. At this time, the chain is prone to shaking and falling off under stress. The safety of the threading mechanism is reduced. UTILITY MODEL CONTENTS

[0005] In order to solve the problems in the prior art, the utility model provides a threading mechanism and an oven. The chain is guided to convey and the shaking of the chain is limited by the guide assembly. The possibility of falling off of the chain due to shaking under stress is reduced, and the safety of use is improved.

[0006] The technical effects achieved by the utility model are realized by the following technical aspects:

[0007] In a first aspect, the utility model provides a threading mechanism, which comprises a support, a sprocket provided with a connecting shaft, the sprocket being rotationally connected with the connecting shaft, a guide assembly comprising a guide rail, the guide rail being rotationally connected with the support, a fixing member provided on the guide rail for clamping or releasing the connecting shaft, and a guide groove provided on the guide rail, and a chain engaged with the sprocket, the chain being provided in the guide groove, and the guide rail guiding the conveying of the chain at the guide groove.

[0008] In some implementations, the fixing member comprises a fixing seat and a fixing block, the fixing seat and the fixing block being detachably connected to clamp or release the connecting shaft. The guide rail is provided on the fixing seat.

[0009] In some implementations, the guide rail is detachably connected with the fixing seat.

[0010] In some implementations, the guide rail comprises two guide bars, the guide bars are detachably connected with the fixing base, and the guide groove is located between the two guide bars.

[0011] In some implementations, the guide bar comprises a limiting part for limiting the chain from leaving the guide groove, and the limiting part extends into the guide groove.

[0012] In some implementations, a rolling guide is arranged on the limiting part in a rotating manner, and the rolling guide is rolling connected with the chain.

[0013] In some implementations, the rolling guide comprises a fixing shaft, the fixing shaft is arranged on the limiting part, a rolling wheel is sleeved on the fixing shaft, the rolling wheel is rotating connected with the fixing shaft, and a clearance is formed between the rolling wheel and the limiting part; the chain comprises a connecting bushing, and the rolling wheel is rolling connected with the connecting bushing.

[0014] In some implementations, a plurality of rolling guides are arranged in the guide groove in a spaced manner along the conveying direction of the chain.

[0015] In some implementations, the guide rail is provided with a guide opening at both ends in the conveying direction of the chain, the guide opening is communicated with the guide groove, and the guide rail guides the chain to enter or leave the guide groove at the guide opening.

[0016] In the second aspect, the utility model provides a drying oven, including the belt threading mechanism, one side of the belt threading mechanism is provided with the heating mechanism for drying pole piece.

[0017] In summary, the utility model has at least the following advantages:

[0018] 1. The belt threading mechanism provided by the utility model, before the pole piece is conveyed, the fixing part loosens the connecting shaft, the guide rail can be rotated relative to the support so that the guide rail can be adjusted to a suitable guide angle, which is beneficial to the chain smoothly passing through the guide groove and adjusting the conveying direction of the chain. After the adjustment is completed, the fixing part clamps the connecting shaft, and the guide rail is fixed on the connecting shaft. When the pole piece is conveyed, the chain passes through the guide groove, the guide rail guides the chain at the guide groove and limits the conveying direction of the chain, and the chain is stably conveyed through the guide groove. The arrangement of the guide assembly can reduce the influence of the pole piece tension on the chain conveying during the lead-in process, improve the problem that the chain easily shakes and falls off from the sprocket, and improve the safety of use.

[0019] 2. The drying oven provided by the utility model, the belt threading mechanism realizes stable lead-in of the pole piece, which is beneficial to ensuring the heating and drying effect of the pole piece and improving the uniformity of pole piece drying. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 Figure 1 is a schematic diagram of the overall structure of a belt passing mechanism according to an embodiment of the present application.

[0021] Figure 2 Figure 2 is a schematic diagram of the structure of a guide assembly according to an embodiment of the present application.

[0022] Figure 3 Figure 3 is a schematic diagram of the structure of a fixing member according to an embodiment of the present application.

[0023] Figure 4 Figure 4 is a schematic diagram of the structure of a guide assembly and a support according to an embodiment of the present application.

[0024] Figure 5 Figure 5 is a schematic diagram of the structure of a guide strip according to an embodiment of the present application.

[0025] Figure 6 Figure 6 is a sectional view of the guide assembly according to embodiment 3 of the present application.

[0026] Figure 7 Figure 7 is a schematic diagram of the structure of a belt passing mechanism according to embodiment 3 of the present application.

[0027] Figure 8 Figure 8 is a schematic diagram of the structure of a belt passing mechanism according to embodiment 4 of the present application. Figure 7 Figure 9 is an enlarged schematic diagram of part A in figure 8.

[0028] Figure 9 Figure 10 is a schematic diagram of the partial structure of an oven according to an embodiment of the present application.

[0029] Reference signs in the drawings:

[0030] 1, support; 11, rotating shaft; 2, chain wheel; 21, connecting shaft; 3, guide assembly; 31, guide rail; 311, guide groove; 312, guide strip; 313, limiting portion; 314, guide opening; 32, fixing member; 321, fixing seat; 3211, first seat body; 3212, second seat body; 3213, deepening groove; 322, fixing block; 33, rolling guide member; 331, fixing shaft; 332, roller; 4, chain; 41, connecting bush; 42, inner plate; 43, outer plate; 5, belt passing rod; 6, heating mechanism; 7, pole piece. DETAILED DESCRIPTION

[0031] In order to make the purpose, technical scheme and advantages of the embodiments of the present application clearer, the technical scheme in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. The described embodiments are some embodiments of the present application, but not all embodiments of the present application.

[0032] Therefore, the following detailed description of the embodiments of the present application provided in the accompanying drawings is not intended to limit the scope of the claimed application, but merely represents selected embodiments of the application. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative labor fall within the scope of the present application.

[0033] Embodiment 1:

[0034] Please refer to the accompanying Figure 1 The threading mechanism can be used in a coating machine or an oven and the like, and realizes threading and conveying of the pole piece 7 or the film material.

[0035] The threading mechanism comprises a support 1, a connecting shaft 21 is arranged on the support 1, the connecting shaft 21 is fixedly connected with the support 1, a chain wheel 2 is sleeved on the connecting shaft 21, and the chain wheel 2 is rotationally connected with the connecting shaft 21.

[0036] A guide assembly 3 is arranged on the connecting shaft 21, the guide assembly 3 comprises a guide rail 31, and a guide groove 311 is formed in the guide rail 31, wherein the guide rail 31 is rotationally connected with the support 1. A fixing piece 32 is arranged between the guide rail 31 and the connecting shaft 21, the fixing piece 32 clamps or loosens the connecting shaft 21, and the guide rail 31 can be angularly adjusted about the axis direction of the connecting shaft 21 through the fixing piece 32.

[0037] When the guide rail 31 needs to be rotationally adjusted, the fixing piece 32 loosens the connecting shaft 21, and the guide rail 31 can be rotated relative to the support 1 and the connecting shaft 21, when the guide rail 31 is adjusted, the fixing piece 32 clamps the connecting shaft 21, the guide rail 31 is fixed and can keep a relative stationary locking state with the support 1, and the operation is convenient.

[0038] The chain wheel 2 is meshingly connected with a chain 4, the chain 4 is arranged in the guide groove 311, and the chain 4 is meshingly connected with the chain wheel 2 after passing through the guide groove 311, the guide rail 31 can guide and limit the conveying of the chain 4 at the guide groove 311. Specifically, the chain 4 is provided with a threading rod 5 for fixing and threading the pole piece 7, and the chain 4 drives the threading rod 5 to convey the pole piece 7.

[0039] Before the pole piece 7 is conveyed, the worker can adjust the angle of the guide rail 31 according to the lead direction of the pole piece 7, that is, the running direction of the chain 4. The fixing member 32 loosens the connecting shaft 21, the guide rail 31 is rotated to the appropriate angle around the connecting shaft 21, the fixing member 32 clamps the connecting shaft 21, the guide rail 31 is fixed on the connecting shaft 21 through the fixing member 32, the chain 4 is arranged in the guide groove 311, and the guide rail 31 drives the chain 4 to swing to the appropriate conveying path. The chain 4 pulls and conveys the pole piece 7 through the threading rod 5. Since the chain 4 moves through the guide groove 311, the guide rail 31 can limit the swing of the chain 4, thereby keeping the chain 4 stable conveying, improving the problem that the chain 4 is easy to shake or even fall off when the tension of the threading rod 5 is large and uneven, and being favorable to improving the use safety of the threading mechanism.

[0040] Embodiment 2:

[0041] The difference between this embodiment and embodiment 1 is that the guide assembly 3 of the utility model is further optimized in structure in this embodiment. Please refer to Figures 2 to 5 .

[0042] Please refer to Figure 2 , the fixing member 32 of this embodiment comprises a fixing seat 321 and a fixing block 322, and the fixing seat 321 and the fixing block 322 are detachably connected to cooperate with clamping or loosening the connecting shaft 21. As shown in some specific embodiments, assembly holes are formed in the fixing seat 321 and the fixing block 322, and the connecting shaft 21 is arranged in the assembly holes. The fixing seat 321 and the fixing block 322 are preferably but not limited to assembled by bolts, and the tightness of the fixing seat 321 and the fixing block 322 clamping the connecting shaft 21 is adjusted by the bolts. The guide rail 31 is arranged on the fixing seat 321.

[0043] Please refer to Figure 3 and Figure 4 , as shown in some specific embodiments, the fixing seat 321 comprises a first seat body 3211 and a second seat body 3212, and the first seat body 3211 and the second seat body 3212 are detachably connected. Specifically, the first seat body 3211 and the second seat body 3212 can be assembled by bolts. The support 1 is provided with a rotating shaft 11 which is arranged in parallel with the connecting shaft 21, and the rotating shaft 11 is rotationally connected with the first seat body 3211. The first seat body 3211 can be rotationally adjusted relative to the connecting shaft 21 and the support 1 about the axis direction of the rotating shaft 11. In another specific embodiment, a deepening groove 3213 is formed in the second seat body 3212, and the guide groove 311 communicates with the deepening groove 3213 to accommodate chains 4 of different sizes.

[0044] Please refer to Figure 5In the preferred embodiment, the guide rail 31 is detachably connected with the fixing seat 321, and the guide rail 31 can be replaced after being damaged. Further, the guide rail 31 comprises two guide strips 312, and the two guide strips 312 are detachably connected with the first seat body 3211 and the second seat body 3212 respectively. Specifically, the guide strip 312 and the first seat body 3211 or the second seat body 3212 can be assembled through bolts. The above is not the only limitation on the detachable connection between the guide strip 312 and the fixing seat 321. The guide strip 312 and the first seat body 3211 or the second seat body 3212 can also be assembled through magnets.

[0045] The guide groove 311 is located between the two guide strips 312 and is detachably connected with the fixing seat 321. The distance between the two guide strips 312 can be adjusted, and the depth of the guide groove 311 can be flexibly adjusted to adapt to different chains 4.

[0046] In the preferred embodiment, the guide rail 31 is provided with a guide opening 314 at both ends in the conveying direction of the chain 4. The guide opening 314 is in communication with the guide groove 311. The guide rail 31 guides the chain 4 to enter or leave the guide groove 311 at the guide opening 314. The provision of the guide opening 314 is conducive to the smooth entry or exit of the chain 4 into or out of the guide groove 311, and improves the stability of the lead-in and conveying process of the pole piece 7.

[0047] Embodiment 3:

[0048] The difference between this embodiment and the above-mentioned embodiments is that the guide rail 31 of the utility model is further structurally optimized in this embodiment. Please refer to Figures 4 to 8 .

[0049] Please refer to Figures 4 to 6 . The guide strip 312 of this embodiment comprises a limiting portion 313 for limiting the chain 4 from leaving the guide groove 311. Specifically, the limiting portion 313 is provided with a plurality of limiting portions 313, which are distributed at intervals along the conveying direction of the chain 4 and are respectively located at the groove opening of the guide groove 311 and the bottom wall of the guide groove 311. The limiting portion 313 extends into the guide groove 311.

[0050] In the preferred embodiment, the limiting part 313 is rotatably provided with a rolling guide 33, which is in rolling connection with the chain 4, so as to reduce the friction between the chain 4 and the guide strip 312, ensure smooth transmission of the chain 4, and specifically, the rolling guide 33 is provided with a plurality of rolling guides 33, which are arranged in the guide groove 311 along the transmission direction of the chain 4. As shown in some specific embodiments, the rolling guide 33 comprises a fixed shaft 331, which is arranged on the limiting part 313, and the axis direction of the fixed shaft 331 is perpendicular to the transmission direction of the chain 4. The fixed shaft 331 is sleeved with a roller 332, which is in rolling connection with the fixed shaft 331, and the roller 332 and the limiting part 313 form an avoiding space.

[0051] The chain 4 comprises a connecting bush 41, which is in rolling connection with the roller 332, and the connecting bush 41 is provided with an inner plate 42 at both ends in the axis direction, and the outer plate 43 is arranged on the side away from the connecting bush 41, and the connecting bush 41 connects the inner plate 42 and the outer plate 43, and the avoiding space can provide an avoiding space for the movement of the inner plate 42 and the outer plate 43, and the space layout of the rolling guide 33 in the guide groove 311 is reasonable, which is beneficial to fully limit the shaking and falling of the chain 4.

[0052] Embodiment 4:

[0053] This embodiment is based on the above-mentioned embodiments, and provides a drying oven, please refer to Figure 9 .

[0054] A drying oven comprises the above-mentioned threading mechanism, and specifically, one side of the threading mechanism is provided with a heating mechanism 6, the threading mechanism transmits the pole piece 7 through the heating mechanism 6, and the heating mechanism 6 can dry and heat the pole piece 7. Specifically, the heating mechanism 6 can comprise an infrared heating lamp or a tuyere, and the drying mode of the infrared heating lamp or the tuyere for the pole piece 7 is known to those skilled in the art and can be realized, which will not be described in detail in this embodiment.

[0055] The setting of the threading mechanism can ensure the stability of the pole piece 7 threading, the heating mechanism 6 can uniformly heat and dry the pole piece 7, and the drying effect of the pole piece 7 is improved.

[0056] In the present application, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection", "fixing" and the like should be understood in a broad sense, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication between two elements or the interaction relationship between two elements. For ordinary skilled in the art, the specific meaning of the above-mentioned terms in the present application can be understood according to the specific situation.

[0057] In the description of the utility model, it is to be explained that, the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship commonly placed when the utility model product is used, and are only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as indicating or implying that the indicated device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the utility model. In addition, the terms "first", "second", "third" and the like are only used for differentiation in description, and cannot be understood as indicating or implying relative importance.

[0058] In addition, the terms "horizontal", "vertical", "overhang" and the like do not mean that the components must be absolutely horizontal or overhanging, but can be slightly inclined. For example, "horizontal" only means that its direction is relatively more horizontal than "vertical", and does not mean that the structure must be completely horizontal, but can be slightly inclined.

[0059] In the utility model, unless otherwise explicitly specified and limited, the first feature above or below the second feature can include that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact through another feature therebetween. Moreover, the first feature above, above and above the second feature includes that the first feature is directly above and obliquely above the second feature, or only means that the horizontal height of the first feature is higher than that of the second feature. The first feature below, below and below the second feature includes that the first feature is directly below and obliquely below the second feature, or only means that the horizontal height of the first feature is less than that of the second feature.

[0060] Although the description of the utility model is combined with the above specific embodiments, it is obvious that persons skilled in the art can make many substitutions, modifications and changes according to the above content. Therefore, all such substitutions, improvements and changes are included in the spirit and scope of the appended claims.

Claims

1. A threading mechanism, characterized by The support (1) comprises a sprocket (2) provided with a connecting shaft (21), the sprocket (2) being rotationally connected with the connecting shaft (21); a guide assembly (3) comprising a guide rail (31) rotationally connected with the support (1), the guide rail (31) being provided with a fixing member (32) for clamping or releasing the connecting shaft (21), and the guide rail (31) being provided with a guide groove (311); a chain (4) meshingly connected with the sprocket (2), the chain (4) being provided in the guide groove (311), and the guide rail (31) guiding the chain (4) at the guide groove (311). The fixing member (32) comprises a fixing seat (321) and a fixing block (322), the fixing seat (321) being detachably connected with the fixing block (322) to clamp or release the connecting shaft (21), and the guide rail (31) being provided on the fixing seat (321).

2. The strapping mechanism of claim 1, wherein, The guide rail (31) is detachably connected with the fixing seat (321).

3. The strapping mechanism of claim 2, wherein, The guide rail (31) comprises two guide strips (312) detachably connected with the fixing seat (321), and the guide groove (311) is located between the two guide strips (312).

4. The strapping mechanism of claim 3, wherein, The guide strip (312) comprises a limiting portion (313) extending into the guide groove (311) for limiting the chain (4) from disengaging from the guide groove (311).

5. The strapping mechanism of claim 4, wherein, A rolling guide member (33) is rotationally provided on the limiting portion (313) and is rolling connected with the chain (4).

6. The strapping mechanism of claim 5, wherein, The rolling guide member (33) comprises a fixing shaft (331) provided in the limiting portion (313), a roller (332) being sleeved on the fixing shaft (331) and being rotationally connected with the fixing shaft (331) and forming an avoiding space with the limiting portion (313).

7. The strapping mechanism of claim 6, wherein, The chain (4) comprises a connecting bushing (41), and the roller (332) is rolling connected with the connecting bushing (41). A plurality of rolling guide members (33) are provided in the guide groove (311) and are spaced apart along the conveying direction of the chain (4).

8. The strapping mechanism of claim 6, wherein, The guide rail (31) is provided with a guide opening (314) at both ends in the conveying direction of the chain (4), the guide opening (314) being communicated with the guide groove (311), and the guide rail (31) guides the chain (4) to enter or exit the guide groove (311) at the guide opening (314).

9. The strapping mechanism of claim 1, wherein, The belt threading mechanism comprises the belt threading mechanism according to any one of claims 1-9, and a heating mechanism (6) for drying the pole piece (7) is arranged on one side of the belt threading mechanism.

10. An oven characterized by, ​

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