Constant-temperature drying box

Abstract

The utility model relates to the technical field of drying boxes, and particularly discloses a constant-temperature drying box. Comprising a case provided with an inner container and a case door capable of enabling the inner container to be arranged in a sealed mode. A vacuumizing assembly is arranged at the interval part between the inner container and the case; heating assemblies are arranged in side plates on the two sides of the inner container; a plurality of detachable partition plates can be arranged in the inner container, and the interior of the inner container can be divided into a plurality of independent drying chambers through the partition plates. A circulation pipeline communicated with the air suction port of the vacuumizing assembly is arranged in the inner container, and air suction ports corresponding to the drying chambers are formed in the circulation pipeline at intervals; the extraction opening can be closed or opened through a sealing plug. A user can select part of the drying chambers for drying according to production requirements, and flexibility is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to drying box technical field especially relates to a constant temperature drying box. BACKGROUND

[0002] Mica wire is widely used in high-voltage motors, transformers and other electrical equipment, and its wrapping structure usually adopts multi-layer mica tape wrapping and is cured by resin impregnation to improve insulation performance. In the production process, the drying treatment of the mica wire after wrapping is crucial, not only affecting the curing effect of the resin but also determining the electrical performance and service life of the final product. Currently, the drying methods of mica wire mainly include normal pressure hot air drying, vacuum drying and infrared heating drying, etc. Among them, the vacuum drying technology is widely used in the production of high-performance mica insulation materials because it can effectively remove the residual moisture and volatile components between the mica layers at a relatively low temperature. However, the traditional vacuum drying box usually adopts a single cavity structure, and the mica wire wrapping product is unevenly distributed in the heating and vacuum environment during the drying process, resulting in different drying rates in different areas and affecting product quality. The vacuum exhaust port of the existing drying box is generally set at a single position, resulting in lower vacuum degree in some areas of the box, affecting the efficient removal of moisture, and may cause local overheating or insufficient drying. The traditional drying equipment usually has a fixed cavity structure, which is difficult to adapt to different specifications and quantities of mica wire products, and it is difficult to adjust flexibly during production. And the existing equipment often needs to vacuum and heat the entire drying box, even if only a small amount of mica wire needs to be dried, the entire system must be operated, causing energy waste.

[0003] In the patent "Low-temperature vacuum disc dryer" (authorized announcement number CN222335937U, hereinafter referred to as prior art 1), a dryer is disclosed. In prior art 1, the core technical principle mainly lies in the cooperative work of a series of mechanical devices, including the mutual cooperation of moving grooves, moving blocks and bearing plates, which uniformly spread the wet materials that need to be dried on the drying disc. Such design can effectively prevent the overlapping or accumulation of materials during the drying process, thereby significantly improving the drying efficiency and drying quality. In addition, this technology ingeniously uses the combination of rolling grooves and roller groups, which not only facilitates the operation of workers when placing or removing the bearing plates, but also greatly enhances the smoothness and convenience of the entire drying process.

[0004] Although the prior art 1 achieves that each drying tray can independently carry the articles to be dried by setting multiple drying trays, thereby improving the flexibility of the drying operation to a certain extent. However, this design also has certain limitations. Specifically, whether the drying tray has placed the articles to be dried or not, the drying tray will be activated for drying during the drying operation, which undoubtedly will cause the waste of energy and unnecessary consumption. In addition, since the drying tray adopts a fixed structure, it cannot be flexibly adjusted and adapted when facing different types or different magnitudes of material drying requirements, thereby limiting the application range and efficiency of the drying equipment. Utility model content

[0005] Therefore, the utility model embodiment provides a constant temperature drying box to solve the problem that the drying equipment in the prior art is generally a fixed cavity structure, which cannot be flexibly adjusted and is difficult to adapt to different specifications and batches of mica wire drying requirements.

[0006] The utility model embodiment provides a constant temperature drying box, which comprises a machine box provided with an inner container and a box door capable of sealingly arranging the inner container, a vacuumizing assembly is arranged in the interval part between the inner container and the machine box, a heating assembly is arranged in the side plates on both sides of the inner container, a plurality of detachable partition plates can be arranged in the inner container, the inner part of the inner container is divided into a plurality of independent drying chambers by the plurality of partition plates, a flow channel is arranged in the inner part of the inner container and is communicated with the air suction port of the vacuumizing assembly, the flow channel is arranged at intervals and is provided with a plurality of air suction ports corresponding to the plurality of drying chambers, and the air suction port can be closed or opened by a sealing plug.

[0007] Preferably, the interval part between the inner container and the machine box is further provided with a heat preservation layer plate, and the heat preservation layer plate is arranged on both sides of the inner container and one end thereof.

[0008] Preferably, the machine box and the box door are hingedly installed through a hinge assembly, and the hinge assembly comprises a first hinge part and a second hinge part arranged at two ends of the machine box and the box door respectively.

[0009] Preferably, the first hinge part comprises a first mounting plate and a second mounting plate arranged on the box door and the machine box respectively, and further comprises a first connecting rod and a second connecting rod connecting the first mounting plate and the second mounting plate, and the second hinge part is arranged in the same way as the first hinge part.

[0010] Preferably, the first mounting plate and the first connecting rod, the second mounting plate and the second connecting rod are connected through a rotating piece, and the first mounting plate and the first connecting rod, the second mounting plate and the second connecting rod can be rotated through the rotating piece connection.

[0011] Preferably, the first mounting plate and the second mounting plate are provided with a plurality of mounting holes of adjustable mounting positions at intervals.

[0012] Preferably, the rotating member comprises a mounting pin shaft, and a first bearing and a second bearing arranged on the mounting pin shaft; the first bearing and the second bearing are provided with a mounting space for mounting the first connecting rod or the second connecting rod; after the first connecting rod or the second connecting rod is mounted on the rotating member, the first connecting rod or the second connecting rod can rotate between the first bearing and the second bearing.

[0013] Preferably, the cabinet and the cabinet door are further provided with a plurality of sets of pressure fasteners which are mounted in cooperation with each other.

[0014] Preferably, the cabinet door and the inner container are further provided with matched sealing rings.

[0015] Preferably, the cabinet door is further provided with a first handle and a second handle on two sides.

[0016] The constant-temperature drying cabinet has the following beneficial effects:

[0017] In the utility model, by setting independent air extraction ports in each independent drying chamber, the vacuum degree of each region can be ensured to be uniform, the problem of insufficient drying or excessive drying in some regions due to uneven vacuum extraction is avoided, and the consistency and reliability of products are improved. Since the drying chamber is divided into multiple independent spaces, each drying chamber can be independently vacuumed, the vacuum degree can reach the set value more quickly, moisture and volatile matter can be efficiently discharged, the drying time is shortened, and the production efficiency is improved. The detachable partition plate design enables the internal structure of the drying cabinet to be flexibly adjusted, adapts to the drying needs of mica wires of different sizes and different batches, and enhances the adaptability of the equipment. The air extraction ports can be closed or opened by sealing plugs, users can select some drying chambers for drying according to production needs, the energy consumption when the entire equipment is started is reduced, the efficiency of vacuum is provided, and flexibility is improved. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the technical scheme of the embodiments of the utility model, the following will be briefly introduced the drawings needed to be used in the embodiments of the utility model, for the ordinary skilled in the art, on the premise of not paying the creative labor, still can obtain other drawings according to these drawings, these are within the protection scope of the utility model.

[0019] Figure 1 It is a kind of constant-temperature drying cabinet structure schematic diagram;

[0020] Figure 2 It is a kind of constant-temperature drying cabinet section structure schematic diagram

[0021] Figure 3 It is a kind of constant-temperature drying cabinet internal partial schematic diagram;

[0022] Figure 4 is a structural schematic diagram of a first hinged part of a constant temperature drying oven;

[0023] Figure 5 is a structural schematic diagram of a rotating part of a constant temperature drying oven;

[0024] Parts and numbers in the figure:

[0025] 100 - cabinet, 110 - cabinet door, 111 - first handle, 112 - second handle, 120 - thermal insulation board;

[0026] 200 - inner container, 210 - partition, 220 - drying chamber, 230 - flow pipeline, 231 - air outlet, 232 - sealing plug;

[0027] 310 - vacuumizing assembly, 320 - heating assembly;

[0028] 410 - first hinged part, 411 - first mounting plate, 412 - second mounting plate, 413 - first connecting rod, 414 - second connecting rod, 415 - mounting hole, 420 - second hinged part, 430 - rotating part, 431 - mounting pin shaft, 432 - first bearing, 433 - second bearing, 434 - pressure fastener, 435 - sealing ring. DETAILED DESCRIPTION

[0029] For the purpose, technical scheme and advantages of the embodiments of the present application, the technical scheme of the embodiments of the present application will be described clearly and completely in the following with reference to the drawings in the embodiments of the present application. It should be noted that in this article, 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 order between the entities or operations. In the description of the present application, it should be understood that the orientation or positional relationship indicated by the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present application and simplifying the description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application. Moreover, the terms "include", "contain" or any other variant thereof are intended to cover non-exclusive inclusion, so that the process, method, article or device including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or device. Without more limitation, the elements defined by the statement "include" do not exclude the presence of other identical elements in the process, method, article or device including the elements. If there is no conflict, the embodiments of the present application and various features in the embodiments can be combined with each other, and are all within the protection scope of the present application.

[0030] Embodiment 1

[0031] Please refer to Figure 1 , Figure 2 and Figure 3 , the embodiments of the present application provide a constant temperature drying oven, which comprises a cabinet 100 provided with an inner container 200 and a cabinet door 110 capable of sealing the inner container 200. By closing the cabinet door 110 and the cabinet 100, the inner container 200 is in a sealed state, which is convenient for subsequent drying operation; the space between the inner container 200 and the cabinet 100 is provided with a vacuum pumping assembly 310; the side plates on both sides of the inner container 200 are provided with a heating assembly 320; the inner container 200 can be provided with a plurality of detachable partitions 210, and the plurality of partitions 210 can divide the inside of the inner container 200 into a plurality of independent drying chambers 220; the inside of the inner container 200 is provided with a flow passage 230 in communication with the air inlet of the vacuum pumping assembly 310, and the flow passage 230 is provided with a plurality of air outlets 231 corresponding to the plurality of drying chambers 220; the air outlet 231 can be closed or opened by a sealing plug 232.

[0032] Further, the sealing plug 232 seals the air outlet 231 in the drying chamber 220, and when the vacuum extraction starts, the sealing between the sealing plug 232 and the air outlet 231 is better, so that the sealing effect is increased.

[0033] In the embodiment, the size of each drying chamber 220 can be adjusted according to the partition plate 210 to adapt to different sizes of mica tapes, and each drying chamber 220 with the smallest size is provided with an air outlet 231 for vacuum extraction by the vacuum extraction assembly 310. When the partition plate 210 is installed on the inner container 200, sealing measures are also provided, so that each drying chamber 220 part can be completely independent and not interfere with each other. When the size of the drying chamber 220 is increased by the partition plate 210, the drying chamber 220 can have multiple air outlets 231 for vacuum extraction.

[0034] Please refer to Figure 2 In the embodiment, by providing independent air outlets 231 in each independent drying chamber 220, the uniformity of the vacuum degree of each area can be ensured, and the problems of insufficient drying or over-drying in some areas caused by uneven vacuum extraction can be avoided, thereby improving the consistency and reliability of the product. The vacuum degree and temperature in each drying chamber 220 can also be effectively controlled to meet the drying needs of different items.

[0035] Further, since the inner container 200 can be divided into multiple drying chambers 220, each drying chamber 220 can be independently vacuumed. When the required drying chambers 220 are less or only one, or when the space is less, the traditional drying equipment still needs to extract the vacuum in the whole range of working space. In the embodiment, the drying chambers 220 that do not need to be vacuumed can be sealed by the sealing plug 232, so that the drying chambers 220 that need to be vacuumed can obtain higher vacuum extraction efficiency. The vacuum degree of the drying chamber 220 can reach the set value faster, and the moisture and volatile matter can also be efficiently discharged, thereby shortening the drying time and improving the production efficiency.

[0036] At the same time, since the drying chambers 220 are independent of each other, cross contamination between different items is avoided, and the efficiency and quality of the drying operation are improved. In addition, the detachable design of the partition plate 210 and the drying chamber 220 makes the constant temperature drying box of the utility model have better flexibility and applicability. The number and size of the drying chambers 220 can be adjusted according to actual needs to meet the drying operation needs of different scales.

[0037] In use, the drying chamber 220 is vacuumized by the vacuumizing assembly 310, when the drying chamber 220 of the inner container 200 reaches the expected pressure range, the heating assembly 320 is started to raise the temperature of the drying chamber 220, so that the temperature of the drying chamber 220 reaches a constant temperature that can realize drying; the drying chamber 220 is kept at the expected temperature for a certain time; when the drying time or degree reaches, the vacuumizing assembly 310 is started again to discharge the water vapor generated during drying; after the dried mica wire is cooled, the drying operation is completed.

[0038] Further, please refer to Figure 2 , the interval between the inner container 200 and the cabinet 100 is also provided with a heat preservation layer 120; the heat preservation layer 120 is arranged on both sides and one end of the inner container 200. This arrangement can effectively reduce the heat transfer between the inner container 200 and the cabinet 100, reduce energy loss, and improve the heat preservation performance of the constant temperature drying box. At the same time, the arrangement of the heat preservation layer 120 can also enhance the structural strength of the whole equipment, making it more stable and durable.

[0039] Please refer to Figure 4 , the cabinet 100 and the cabinet door 110 are hingedly installed through a hinge assembly; the hinge assembly includes a first hinge part 410 and a second hinge part 420 arranged at both ends of the cabinet 100 and the cabinet door 110 respectively. Through the arrangement of the hinge part, the connection stability between the cabinet 100 and the cabinet door 110 can be enhanced, so that the cabinet door 110 can more stably maintain the sealing effect of the inner container 200.

[0040] The first hinge part 410 includes a first mounting plate 411 and a second mounting plate 412 arranged on the cabinet door 110 and the cabinet 100 respectively; it also includes a first connecting rod 413 and a second connecting rod 414 connecting the first mounting plate 411 and the second mounting plate 412; the second hinge part 420 is arranged in the same way as the first hinge part 410.

[0041] The connection between the first mounting plate 411 and the first connecting rod 413, and the second mounting plate 412 and the second connecting rod 414 is connected through a rotating part 430; the first mounting plate 411 and the first connecting rod 413, and the second mounting plate 412 and the second connecting rod 414 can rotate through the rotating part 430.

[0042] The opening and closing connection between the box door 110 and the case 100 is realized through the four-bar mechanism formed between the first mounting plate 411 and the first connecting rod 413, and the second mounting plate 412 and the second connecting rod 414; not only makes the opening and closing of the box door 110 more smooth, but also can effectively reduce the wear caused by long-term use, prolong the service life of the case 100 and the box door 110. In addition, the stability of the four-bar mechanism also ensures that the box door 110 can tightly fit the case 100 when closed, further improving the sealing effect of the inner container 200. At the same time, the setting of the rotating part 430 makes the box door 110 can maintain a certain buffer during opening and closing, reduces the noise caused by direct impact, and improves the overall use experience.

[0043] Please refer to Figure 4 , the first mounting plate 411 and the second mounting plate 412 are provided with a plurality of adjustable mounting positions of the mounting hole 415, the mounting position of the first connecting rod 413 and the second connecting rod 414 can be adjusted by different mounting hole 415 combination, so as to realize the fine adjustment of the opening and closing angle of the box door 110. The versatility and flexibility of the case 100 are improved, and the needs of different users for the opening and closing angle of the box door 110 are met. Users can easily adjust the opening range of the box door 110 according to the actual use scene, so that the operation is more convenient and comfortable. At the same time, the adjustable mounting hole 415 design also provides convenience for the maintenance and upgrading of the case 100, reduces the difficulty and cost of later adjustment.

[0044] Please refer to Figure 5 , the rotating part 430 includes a mounting pin 431, and a first bearing 432 and a second bearing 433 arranged on the mounting pin 431; the first bearing 432 and the second bearing 433 are provided with a mounting space for mounting the first connecting rod 413 or the second connecting rod 414; the first connecting rod 413 or the second connecting rod 414 is mounted on the rotating part 430 and can rotate between the first bearing 432 and the second bearing 433.

[0045] Please refer to Figure 1The cabinet 100 and the cabinet door 110 are further provided with a plurality of groups of pressure fasteners 434 which are installed in cooperation with each other, and the connection between the cabinet door 110 and the cabinet 100 is realized through a four-bar mechanism, so that the cabinet door 110 and the sealing ring 435 matched on the inner container 200 can be tightly attached to complete sealing, and the sealing between the cabinet door 110 and the cabinet 100 is more firm through the pressing of the pressure fasteners 434. This design not only enhances the sealing performance of the cabinet 100 and effectively prevents the interference of external factors such as dust and water vapor on the electronic components inside the cabinet 100, but also improves the overall protection level of the cabinet 100. At the same time, the easy operability of the pressure fasteners 434 makes it more labor-saving for the user to open and close the cabinet door 110, further improving the user experience. In addition, through the ingenious design of the four-bar mechanism, the stability and smoothness of the cabinet door 110 during opening and closing are ensured, avoiding the inconvenience caused by mechanical friction or jamming.

[0046] Please refer to Figure 1 The two sides of the cabinet door 110 are further provided with a first handle 111 and a second handle 112, and the simultaneous use of the first handle 111 and the second handle 112 can more conveniently realize the connection and cooperation between the cabinet door 110 and the cabinet 100 when opening the door.

[0047] Finally, it should be pointed out that: the above embodiments are only used to illustrate the technical solutions of the present application, and not to limit them; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: it can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for part or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present application.

Claims

1. A constant temperature drying oven, comprising a cabinet (100) provided with an inner container (200) and an oven door (110) capable of sealingly arranging the inner container (200); the interval part between the inner container (200) and the cabinet (100) is provided with a vacuum pumping assembly (310); the side plates on both sides of the inner container (200) are provided with a heating assembly (320); characterized in that: a plurality of detachable partitions (210) are arranged in the inner container (200), and the plurality of partitions (210) divide the inner part of the inner container (200) into a plurality of independent drying chambers (220); the inner part of the inner container (200) is provided with a flow channel (230) in communication with the air suction port of the vacuum pumping assembly (310), the flow channel (230) is provided with a plurality of air suction ports (231) corresponding to the plurality of drying chambers (220) at intervals; the air suction ports (231) can be closed or opened by a sealing plug (232).

2. The constant temperature drying oven of claim 1, wherein The interval part between the inner container (200) and the cabinet (100) is further provided with a heat preservation layer plate (120); the heat preservation layer plate (120) is arranged on both sides and one end of the inner container (200).

3. The constant temperature drying oven of claim 1, wherein The cabinet (100) and the oven door (110) are hingedly installed through a hinge assembly; the hinge assembly comprises a first hinge part (410) and a second hinge part (420) arranged at both ends of the cabinet (100) and the oven door (110), respectively.

4. The constant temperature drying oven of claim 3, wherein The first hinge part (410) comprises a first mounting plate (411) and a second mounting plate (412) arranged on the oven door (110) and the cabinet (100), respectively; and further comprises a first connecting rod (413) and a second connecting rod (414) connecting the first mounting plate (411) and the second mounting plate (412); The second hinge part (420) is arranged in the same way as the first hinge part (410).

5. A constant temperature drying oven according to claim 4, wherein The first mounting plate (411) and the first connecting rod (413), the second mounting plate (412) and the second connecting rod (414) are connected through a rotating member (430); the first mounting plate (411) and the first connecting rod (413), the second mounting plate (412) and the second connecting rod (414) can be rotated through the connection of the rotating member (430).

6. The constant temperature drying oven of claim 4, wherein A plurality of mounting holes (415) with adjustable mounting positions are arranged at intervals on the first mounting plate (411) and the second mounting plate (412).

7. The constant temperature drying oven of claim 5, wherein The rotating member (430) comprises a mounting pin shaft (431) and a first bearing (432) and a second bearing (433) arranged on the mounting pin shaft (431); the first bearing (432) and the second bearing (433) are provided with a mounting space for mounting the first connecting rod (413) or the second connecting rod (414); the first connecting rod (413) or the second connecting rod (414) can be rotated between the first bearing (432) and the second bearing (433) after being mounted on the rotating member (430).

8. The constant temperature drying oven of claim 1, wherein The cabinet (100) and the cabinet door (110) are further provided with a plurality of groups of pressure fasteners (434) which are installed in cooperation with each other.

9. The constant temperature drying oven of claim 1, wherein, The cabinet door (110) and the inner container (200) are further provided with matched sealing rings (435).

10. The constant temperature drying oven of claim 1, wherein, The cabinet door (110) is further provided with a first handle (111) and a second handle (112) on two sides thereof.

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