Oil injection system, traction device, drying oven and coating machine

Abstract

The utility model discloses an oiling system, and discloses a traction device and a drying oven with the oiling system, and a coating machine with the traction device or the drying oven, the oiling system is used for oiling an oil storage cavity of a roll shaft support and comprises an oiling pump and a negative pressure pump, the oiling pump is used for oiling the oil storage cavity and is provided with an oiling port, and the oiling port is communicated with the oil storage cavity; the negative pressure pump is provided with a suction port, the suction port is located in the oil storage cavity, and the negative pressure pump sucks redundant lubricating oil in the oil storage cavity through the suction port. According to the oil injection system, redundant lubricating oil in the oil storage cavity can be pumped away, and the storage amount of the lubricating oil in the oil storage cavity is kept stable.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of coating machine structure, in particular to oil injection system, traction device, oven and coating machine. BACKGROUND

[0002] The modules such as oven, tension device, traction device and winding device on the coating machine all apply roller shafts to support or drive the movement of the pole piece material belt, and whether the roller shafts roll smoothly directly affects the tension, stability and drying effect of the pole piece material belt.

[0003] The conventional way is to lubricate the bearing in advance, but the lubricating oil will be consumed over a long period of operation, reducing the controllability of the roller shaft rotation.

[0004] In order to improve the controllability of the roller shaft rotation, in the related art, oil is injected into the oil storage cavity of the roller shaft support during the operation of the roller shaft to maintain the lubrication of the bearing in the roller shaft support.

[0005] However, injecting oil into the oil storage cavity of the roller shaft support during the operation of the roller shaft can easily result in excessive lubricating oil in the oil storage cavity. SUMMARY

[0006] The utility model discloses at least one of the technical problems in the prior art. To this end, the utility model provides an oil injection system, which can remove excess lubricating oil from the oil storage cavity and maintain stable lubricating oil reserves in the oil storage cavity.

[0007] The utility model discloses a traction device with the oil injection system.

[0008] The utility model discloses an oven with the oil injection system.

[0009] The utility model discloses a coating machine with the traction device or the oven.

[0010] According to the first aspect of the utility model embodiment, the oil injection system is used to inject oil into the oil storage cavity of the roller shaft support, which comprises:

[0011] The oil injection pump is used to inject oil into the oil storage cavity and has an oil injection port, and the oil injection port is communicated with the oil storage cavity.

[0012] The negative pressure pump has a suction port, which is located in the oil storage cavity, and the negative pressure pump sucks excess lubricating oil in the oil storage cavity through the suction port.

[0013] According to the oil injection system of the utility model embodiment, at least the following beneficial effects are achieved:

[0014] The utility model discloses a set up oil injection pump and negative pressure pump, and the oil injection pump has the oil injection port, and the oil injection port communicates the oil storage cavity, and the negative pressure pump has the suction port, and the suction port is located in the oil storage cavity, thereby, after the oil injection pump starts, the oil injection pump can inject the oil to the oil storage cavity of roll shaft support through the oil injection port, can start the negative pressure pump simultaneously or after the oil injection pump finishes injecting the oil, and the negative pressure pump removes the excessive lubricating oil in the oil storage cavity through the suction port, and further, avoid the excessive lubricating oil under the natural gravity from discharging the oil storage cavity in time, keep the lubricating oil storage capacity in the oil storage cavity stable, improve the controllability of roll shaft rotation.

[0015] According to some embodiments of the utility model, the oil storage cavity includes first cavity, second cavity and third cavity which are arranged in sequence, the first cavity is used for installing bearing, the bottom wall height of third cavity is higher than the bottom wall height of first cavity and second cavity, and the suction port is located at the bottom wall of third cavity.

[0016] Beneficially, the utility model discloses a set of first cavity, second cavity and third cavity which are arranged in sequence, and the first cavity is used for installing bearing, and the bottom wall height of third cavity is higher than the bottom wall height of first cavity and second cavity, and the suction port is located at the bottom wall of third cavity, and it can be understood that after the oil injection pump injects the oil into the oil storage cavity, the lubricating oil flows to the first cavity and the second cavity under the action of natural gravity first, so that the first cavity and the second cavity can store normal storage of lubricating oil, if the lubricating oil level is not higher than the bottom wall of third cavity, the negative pressure pump only sucks air and will not remove normal storage of lubricating oil, if the lubricating oil level is higher than the bottom wall of third cavity, the negative pressure pump will suck the excessive lubricating oil through the suction port, avoiding the excessive lubricating oil from discharging the oil storage cavity in time under the natural gravity, so that the negative pressure pump only removes the excessive lubricating oil and will not remove normal storage of lubricating oil.

[0017] According to some embodiments of the utility model, the oil injection port is arranged in the second cavity.

[0018] Beneficially, the utility model discloses that the oil injection port is arranged in the second cavity, so that the lubricating oil injected into the oil storage cavity by the oil injection port is not sucked away by the negative pressure pump through the suction port.

[0019] According to some embodiments of the utility model, the bottom wall height of the first cavity is lower than the bottom wall height of the second cavity, and the oil injection port is arranged in the second cavity.

[0020] Beneficially, the utility model discloses that the bottom wall height of the first cavity is lower than the bottom wall height of the second cavity, and the oil injection port is arranged in the second cavity, so that the lubricating oil injected into the oil storage cavity by the oil injection pump can flow to the first cavity under the action of natural gravity, and further, ensure that the lubricating oil in the oil storage cavity can effectively lubricate the bearing of the first cavity.

[0021] According to some embodiments of the present application, the oil injection port is arranged at the top of the oil storage cavity.

[0022] Beneficially, the oil injection port is arranged at the top of the oil storage cavity, thereby avoiding backflow of lubricating oil in the oil storage cavity.

[0023] According to some embodiments of the present application, the first cavity, the second cavity and the third cavity are circular, the diameter of the first cavity is greater than the diameter of the second cavity, and the diameter of the second cavity is greater than the diameter of the third cavity.

[0024] Beneficially, the first cavity, the second cavity and the third cavity are circular, the diameter of the first cavity is greater than the diameter of the second cavity, and the diameter of the second cavity is greater than the diameter of the third cavity.

[0025] According to some embodiments of the present application, the oil injection pump comprises a first pump body and a first flow divider connected to the first pump body, the first flow divider has a plurality of oil injection ports, and the oil injection pump is connected to the oil storage cavities of a plurality of roller shaft supports through the first flow divider.

[0026] Beneficially, the oil injection pump comprises a first pump body and a first flow divider connected to the first pump body, the first flow divider has a plurality of oil injection ports, and the oil injection pump is connected to the oil storage cavities of a plurality of roller shaft supports through the first flow divider, so that the oil injection pump can inject oil into the oil storage cavities of the plurality of roller shaft supports through the first flow divider, and simultaneous oil injection into the oil storage cavities of the plurality of roller shaft supports is realized.

[0027] According to some embodiments of the present application, the negative pressure pump comprises a second pump body and a second flow divider connected to the second pump body, the second flow divider has a plurality of suction ports, and the negative pressure pump is connected to the oil storage cavities of a plurality of roller shaft supports through the second flow divider.

[0028] Beneficially, the negative pressure pump comprises a second pump body and a second flow divider connected to the second pump body, the second flow divider has a plurality of suction ports, and the negative pressure pump is connected to the oil storage cavities of a plurality of roller shaft supports through the second flow divider, so that the negative pressure pump can suck excess lubricating oil from the oil storage cavities of the plurality of roller shaft supports through the second flow divider, and simultaneous suction of excess lubricating oil from the oil storage cavities of the plurality of roller shaft supports is realized.

[0029] According to some embodiments of the present application, an oil tank is further included, the oil injection pump and the negative pressure pump are both connected to the oil tank, and the oil tank is used to supply lubricating oil to the oil injection pump and receive lubricating oil sucked out by the negative pressure pump.

[0030] Beneficially, the oil tank is arranged, the oil injection pump and the negative pressure pump are connected with the oil tank, the oil tank is used for supplying lubricating oil to the oil injection pump and receiving the lubricating oil sucked by the negative pressure pump, so that the lubricating oil sucked by the negative pressure pump is conveniently reused by the oil injection pump to inject oil into the oil storage cavity, and the circulating oil injection of the oil injection system is realized.

[0031] According to the traction device of the second aspect of the utility model, the traction device comprises the oil injection system of the first aspect of the utility model.

[0032] According to the traction device of the second aspect of the utility model, the traction device comprises the oil injection system of the first aspect of the utility model.

[0033] The oil injection system is arranged on the traction device, the oil injection pump and the negative pressure pump are arranged on the oil injection system, the oil injection pump has an oil injection port, the oil injection port is communicated with the oil storage cavity, the negative pressure pump has a suction port, and the suction port is located in the oil storage cavity.

[0034] According to the oven of the third aspect of the utility model, the oven comprises the oil injection system of the first aspect of the utility model.

[0035] According to the oven of the third aspect of the utility model, the oven comprises the oil injection system of the first aspect of the utility model.

[0036] The oil injection system is arranged on the traction device, the oil injection pump and the negative pressure pump are arranged on the oil injection system, the oil injection pump has an oil injection port, the oil injection port is communicated with the oil storage cavity, the negative pressure pump has a suction port, and the suction port is located in the oil storage cavity.

[0037] According to some embodiments of the utility model, the oven is an infrared oven or a hot air oven.

[0038] According to the coating machine of the fourth aspect of the utility model, the coating machine comprises the traction device of the second aspect of the utility model or the oven of the third aspect of the utility model.

[0039] The coating machine has at least the following beneficial effects:

[0040] The utility model discloses a set up oil injection system, set up oil injection pump and negative pressure pump at oil injection system, and oil injection pump has injection port, and injection port communicates storage oil chamber, and negative pressure pump has suction port, and suction port is located in storage oil chamber, thereby, after oil injection pump starts, oil injection pump can be through injection port and carry out oil injection to the storage oil chamber of roll shaft support, can start negative pressure pump simultaneously or after oil injection pump completes oil injection, and negative pressure pump removes the lubricating oil in storage oil chamber through suction port, and further, avoid the lubricating oil under natural gravity and cannot discharge storage oil chamber in time, keep the lubricating oil storage capacity in storage oil chamber stable, improve the controllability to roll shaft rotation.

[0041] The additional aspects and advantages of the utility model will be partly given in the following description, and some will become obvious from the following description or be understood through the practice of the utility model. BRIEF DESCRIPTION OF DRAWINGS

[0042] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the following will briefly introduce the drawings needed to be used in the embodiment or the prior art description, and obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can also be obtained according to these drawings without creating creative labor.

[0043] Figure 1 It is the structure diagram of oil injection system of the utility model embodiment;

[0044] Figure 2 It is Figure 1 The sectional view shown;

[0045] Figure 3 It is Figure 2 The local enlarged view shown.

[0046] Reference numerals: roll shaft support 100, storage oil chamber 110, oil injection pump 120, injection port 130, negative pressure pump 140, suction port 150, first cavity portion 160, second cavity portion 170, third cavity portion 180, bearing 190, first pump body 200, first flow divider 210, second pump body 220, second flow divider 230, oil tank 240. DETAILED DESCRIPTION

[0047] The embodiments of the present application are described below in detail, examples of which are shown in the drawings, wherein the same or similar notations represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by reference to the drawings are exemplary only, and are used only for explaining the present application, and cannot be understood as a limitation of the present application.

[0048] In the description of the present application, it should be understood that the orientation description, such as the orientation or position relationship indicated by up, down, front, back, left, right, etc. is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as a limitation of the present application.

[0049] In the description of the present application, the meaning of several is one or more, and the meaning of multiple is more than two, greater than, less than, more than, etc. are understood as not including the number, and above, below, etc. are understood as including the number. If the first and the second are described, this is only for the purpose of distinguishing technical features, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features or the order of indicated technical features.

[0050] In the description of the present application, it should be noted that, unless otherwise explicitly specified and limited, the term "mounting, connection and connection" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; 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 inside two elements. For ordinary skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0051] The oil injection system, traction device, oven and coating machine according to the embodiments of the present application are described below with reference to the drawings.

[0052] The present application aims to provide embodiments of oil injection systems, traction devices, ovens and coating machines.

[0053] Referring to Figure 1 , Figure 2 and Figure 3 , in the present embodiment, the coating machine comprises a traction device and an oven.

[0054] In some specific embodiments, the oven can be an infrared oven or a hot air oven.

[0055] The traction device and the oven both comprise an oil injection system.

[0056] For the oil injection system, the oil injection system is used for injecting oil into the oil storage cavity 110 of the roller shaft support 100, and mainly comprises an oil injection pump 120 and a negative pressure pump 140.

[0057] For the oil injection pump 120, the oil injection pump 120 is used for injecting oil into the oil storage cavity 110, and the oil injection pump 120 is provided with an oil injection port 130 which is communicated with the oil storage cavity 110.

[0058] For the negative pressure pump 140, the negative pressure pump 140 is provided with a suction port 150 which is located in the oil storage cavity 110, and the negative pressure pump 140 sucks the excess lubricating oil in the oil storage cavity 110 through the suction port 150.

[0059] By means of the oil injection pump 120 and the negative pressure pump 140, the oil injection pump 120 is provided with the oil injection port 130 which is communicated with the oil storage cavity 110, and the negative pressure pump 140 is provided with the suction port 150 which is located in the oil storage cavity 110, so that after the oil injection pump 120 is started, the oil injection pump 120 can inject oil into the oil storage cavity 110 of the roller shaft support 100 through the oil injection port 130, and at the same time of the oil injection of the oil injection pump 120 or after the oil injection of the oil injection pump 120 is completed, the negative pressure pump 140 can be started, and the negative pressure pump 140 can suck the excess lubricating oil in the oil storage cavity 110 through the suction port 150, thereby avoiding that the excess lubricating oil cannot be discharged from the oil storage cavity 110 in time under the action of the natural gravity, maintaining the stable lubricating oil storage in the oil storage cavity 110, and improving the controllability of the rotation of the roller shaft.

[0060] In some specific embodiments, the oil storage cavity 110 comprises a first cavity portion 160, a second cavity portion 170 and a third cavity portion 180 which are sequentially arranged, the first cavity portion 160 is used for mounting the bearing 190, the bottom wall height of the third cavity portion 180 is higher than the bottom wall height of the first cavity portion 160 and the second cavity portion 170, and the suction port 150 is located at the bottom wall of the third cavity portion 180.

[0061] It can be understood that after the oil injection pump 120 injects oil into the oil storage cavity 110, the lubricating oil flows to the first cavity portion 160 and the second cavity portion 170 under the action of the natural gravity, so that the first cavity portion 160 and the second cavity portion 170 can store the normal storage of lubricating oil, if the lubricating oil liquid level is not higher than the bottom wall of the third cavity portion 180, the negative pressure pump 140 only sucks air and does not suck the normal storage of lubricating oil, if the lubricating oil liquid level is higher than the bottom wall of the third cavity portion 180, the negative pressure pump 140 will suck the excess lubricating oil through the suction port 150, thereby avoiding that the excess lubricating oil cannot be discharged from the oil storage cavity 110 in time under the action of the natural gravity, so that the negative pressure pump 140 only sucks the excess lubricating oil and does not suck the normal storage of lubricating oil.

[0062] Further, the oil injection port 130 is arranged at the second cavity 170, so that the lubricating oil injected by the oil injection port 130 into the oil storage cavity 110 is prevented from being sucked by the negative pressure pump 140 through the suction port 150.

[0063] In some specific embodiments, the bottom wall of the first cavity 160 is lower than the bottom wall of the second cavity 170, and the oil injection port 130 is arranged at the second cavity 170, so that the lubricating oil injected by the oil injection pump 120 into the oil storage cavity 110 can flow to the first cavity 160 by the action of gravity, thereby ensuring that the lubricating oil in the oil storage cavity 110 can effectively lubricate the bearing 190 of the first cavity 160.

[0064] In some specific embodiments, the oil injection port 130 is arranged at the top of the oil storage cavity 110, so that the lubricating oil in the oil storage cavity 110 is prevented from flowing back from the oil injection port 130.

[0065] In some specific embodiments, the first cavity 160, the second cavity 170 and the third cavity 180 are all circular and coaxially arranged, the diameter of the first cavity 160 is greater than the diameter of the second cavity 170, and the diameter of the second cavity 170 is greater than the diameter of the third cavity 180, so that, on the one hand, the bottom wall of the first cavity 160 is lower than the bottom wall of the second cavity 170, and the bottom wall of the second cavity 170 is lower than the bottom wall of the third cavity 180, and on the other hand, the forming and processing difficulty of the first cavity 160, the second cavity 170 and the third cavity 180 is reduced.

[0066] In some specific embodiments, the oil injection pump 120 includes a first pump body 200 and a first flow divider 210 connected to the first pump body 200, the first flow divider 210 has a plurality of oil injection ports 130, and the oil injection pump 120 is connected to the oil storage cavities 110 of the plurality of roller shaft supports 100 through the first flow divider 210, so that the oil injection pump 120 can inject oil into the oil storage cavities 110 of the plurality of roller shaft supports 100 through the first flow divider 210, and the oil injection pump 120 can simultaneously inject oil into the oil storage cavities 110 of the plurality of roller shaft supports 100.

[0067] Specifically, the first flow divider 210 can be arranged as a quantitative flow divider, which can adjust and control the oil injection amount of each oil injection port 130, so that the oil injection pump 120 can quantitatively inject oil into the oil storage cavity 110.

[0068] In some specific embodiments, the negative pressure pump 140 comprises a second pump body 220, a second flow divider 230 connected to the second pump body 220, the second flow divider 230 having a plurality of suction ports 150, the negative pressure pump 140 being connected to the oil storage cavities 110 of the plurality of roller shaft supports 100 through the second flow divider 230, so that the negative pressure pump 140 can suck the excess lubricating oil in the oil storage cavities 110 of the plurality of roller shaft supports 100 through the second flow divider 230, achieving simultaneous suction of the excess lubricating oil in the oil storage cavities 110 of the plurality of roller shaft supports 100.

[0069] Specifically, the second flow divider 230 can be set as an adjustable flow divider, which can adjust and control the suction amount of each suction port 150, so as to achieve adjustable suction of the excess lubricating oil in the oil storage cavities 110 by the negative pressure pump 140.

[0070] In some specific embodiments, the oil injection system further comprises an oil tank 240, the oil injection pump 120 and the negative pressure pump 140 being connected to the oil tank 240, the oil tank 240 being used for supplying lubricating oil to the oil injection pump 120 and receiving the lubricating oil sucked out by the negative pressure pump 140, so as to facilitate the lubricating oil sucked out by the negative pressure pump 140 to be reused by the oil injection pump 120 to inject oil into the oil storage cavities 110 through the oil tank 240, achieving cyclic oil injection of the oil injection system.

[0071] In the description of the present specification, the description of the terms "one embodiment, some embodiments, illustrative embodiments, examples, specific examples, or some examples" means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present application. In the present specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the described specific features, structures, materials or characteristics can be combined in any one or more embodiments or examples in a suitable manner.

[0072] The terms "first, second, third, fourth" and the like (if any) in the specification and claims of the present application and the above-described drawings are used to distinguish similar objects, and do not necessarily describe a specific order or sequence. It should be understood that the data thus used can be interchanged under appropriate circumstances, so that the embodiments described herein can be implemented in an order other than that illustrated or described herein.

[0073] It should also be noted that in the description of the present specification, the relationship terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or sequence between the entities or operations.

[0074] Furthermore, the terms “comprising” and “having”, and any variations thereof, are intended to cover non-exclusive inclusion, such that a process, method, system, product, or apparatus that includes a series of steps or units is not necessarily limited to those steps or units that are explicitly listed, but may also include other steps or units that are not explicitly listed or that are inherent to such processes, methods, products, or apparatus.

[0075] Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.

[0076] The embodiments of the present utility model have been described in detail above with reference to the accompanying drawings. However, the present utility model is not limited to the above embodiments. Within the scope of knowledge possessed by those skilled in the art, various changes can be made without departing from the spirit of the present utility model.

Claims

1. An oil injection system for injecting oil into an oil reservoir (110) of a roller shaft support (100), characterized in that, The oil injection system comprises: an oil injection pump (120) for injecting oil into the oil storage cavity (110), the oil injection pump (120) having an oil injection port (130) communicating with the oil storage cavity (110); a negative pressure pump (140) having a suction port (150) located in the oil storage cavity (110), the negative pressure pump (140) sucking excess lubricating oil in the oil storage cavity (110) through the suction port (150).

2. The oil injection system of claim 1, wherein The oil storage cavity (110) comprises a first cavity portion (160), a second cavity portion (170) and a third cavity portion (180) arranged in sequence, the first cavity portion (160) being used for mounting a bearing (190), the bottom wall of the third cavity portion (180) being higher than the bottom wall of the first cavity portion (160) and the second cavity portion (170), and the suction port (150) being located at the bottom wall of the third cavity portion (180).

3. The oil injection system of claim 2, wherein The oil injection port (130) is arranged in the second cavity portion (170).

4. The oil injection system of claim 2, wherein The bottom wall of the first cavity portion (160) is lower than the bottom wall of the second cavity portion (170), and the oil injection port (130) is arranged in the second cavity portion (170).

5. The oil injection system of claim 1, wherein The oil injection port (130) is arranged at the top of the oil storage cavity (110).

6. The oil injection system of claim 1, wherein The oil injection pump (120) comprises a first pump body (200) and a first flow divider (210) connected to the first pump body (200), the first flow divider (210) having a plurality of oil injection ports (130), and the oil injection pump (120) being connected to the oil storage cavities (110) of a plurality of roller shaft supports (100) through the first flow divider (210).

7. The oil injection system of claim 1, wherein The negative pressure pump (140) comprises a second pump body (220) and a second flow divider (230) connected to the second pump body (220), the second flow divider (230) having a plurality of suction ports (150), and the negative pressure pump (140) being connected to the oil storage cavities (110) of a plurality of roller shaft supports (100) through the second flow divider (230).

8. The oil injection system of claim 1, wherein The oil injection system further comprises an oil tank (240), the oil injection pump (120) and the negative pressure pump (140) being connected to the oil tank (240), and the oil tank (240) being used for supplying lubricating oil to the oil injection pump (120) and receiving lubricating oil sucked out by the negative pressure pump (140).

9. Towing device, characterized in that The oil injection system according to any one of claims 1 to 8.

10. Oven, characterized in that The oil injection system according to any one of claims 1 to 8.

11. Oven according to claim 10, characterized in that The oven is an infrared oven or a hot air oven.

12. Coating machine, characterized in that The traction device according to claim 9, or the oven according to claim 10 or 11.

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