WO2020062428A1 - 一种烘烤设备 - Google Patents

一种烘烤设备 Download PDF

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Publication number
WO2020062428A1
WO2020062428A1 PCT/CN2018/113468 CN2018113468W WO2020062428A1 WO 2020062428 A1 WO2020062428 A1 WO 2020062428A1 CN 2018113468 W CN2018113468 W CN 2018113468W WO 2020062428 A1 WO2020062428 A1 WO 2020062428A1
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WO
WIPO (PCT)
Prior art keywords
baking
box door
door
bottom plate
box
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/CN2018/113468
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English (en)
French (fr)
Inventor
车轮
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
HKC Co Ltd
Chongqing HKC Optoelectronics Technology Co Ltd
Original Assignee
HKC Co Ltd
Chongqing HKC Optoelectronics Technology Co Ltd
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Publication date
Application filed by HKC Co Ltd, Chongqing HKC Optoelectronics Technology Co Ltd filed Critical HKC Co Ltd
Priority to US16/317,593 priority Critical patent/US10801777B2/en
Publication of WO2020062428A1 publication Critical patent/WO2020062428A1/zh
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
    • B05D3/02—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by baking
    • B05D3/0254—After-treatment

Definitions

  • the present application belongs to the technical field of baking, and more particularly, relates to a baking device.
  • the substrate needs to be baked in an oven after the substrate is coated with the photoresist material by a coating machine, in order to dry part of the solvent in the photoresist material, to cure it to a state close to the wet film, and increase light. Resistance of the resistance material to the substrate.
  • a side opening of the oven is provided with a delivery opening, and a door for opening and closing the delivery opening is installed.
  • a door for opening and closing the delivery opening is installed.
  • first open the box door put the substrate coated with the photoresist material into the oven, and then close the box door to bake the photoresist material on the substrate.
  • the solvent in the photoresist material volatilizes easily to form condensate and attach to the oven and its door; after the baking is completed, the worker opens the door and removes the substrate from the oven through the opening.
  • the opening of the box door easily causes the condensate attached to the inner side of the box door to flow down or drip, especially when the substrate passes through the loading port, the condensate is easy to drip on the substrate, which in turn causes the substrate and the photoresist material. Contaminated, affecting subsequent production.
  • the purpose of the present application is to provide a baking device to solve the technical problem that the condensate easily drips onto the baking object when the baking object is taken out of the oven.
  • a baking device including a box body, the box body has a pick-and-place opening for putting in and taking out a baking object, and the box is installed for opening And closing the box door of the access port, the inside surface of the box door is provided with a groove for receiving condensate.
  • the box door is connected with a pipe communicating with the groove.
  • the inner surface of the box door is recessed with a recessed structure, the recessed structure has an inner groove, the groove is located at the bottom of the inner groove, and the inner groove has a A diversion surface extending from the groove to a top end of the box door.
  • the diversion surface extends obliquely from the groove toward the top of the box door and toward the inner cavity of the box body.
  • an included angle formed between the diversion surface and the plumb line is 3 ° to 5 °.
  • the box body includes a cover plate, a bottom plate for carrying a baking object, and a side plate located between the cover plate and the bottom plate.
  • the cover plate, the bottom plate, and the side plate are surrounded to form the cover. Take out the baking chamber.
  • the box door is slidably mounted on the box body in a direction perpendicular to the bottom plate.
  • the box door includes a plurality of door panels connected in sequence along a sliding direction of the box door, and each of the door panels is formed with one of the concave structures.
  • a first seal and a second seal are respectively provided at both ends of the box door along its sliding direction, and the box has a first contact for abutting against the first seal.
  • the abutting surface and a second abutting surface for contacting the second gasket.
  • a convex strip is provided at the upper end of the door panel located at the uppermost part of the box door, and the convex strip protrudes from the inner surface of the box door; the first gasket is fixed to the convex strip. On the lower surface, the second gasket is fixed on the lower end surface of the door panel located at the lowermost part of the box door.
  • the first seal pad and the second seal pad are both silicone pads.
  • the bottom plate is provided with a heating plate for carrying and heating a baking object.
  • the bottom plate is provided with an air inlet hole communicating with the baking cavity
  • the cover plate is provided with an exhaust hole communicating with the baking cavity
  • a plurality of air inlet holes are provided on the bottom plate, and the plurality of air inlet holes are distributed on the bottom plate along a circumferential direction of the heating plate.
  • a plurality of exhaust holes are provided on the cover plate, and the plurality of exhaust holes are distributed in a rectangular array shape on the cover plate.
  • the present application also provides another baking device, including a box body having a pick-and-place opening for putting in and taking out a baking object, and the box being installed with opening and closing the pick-and-place opening.
  • a box door, the inside surface of the box door is provided with a groove for receiving condensate;
  • the box includes a cover plate, a bottom plate for carrying a baking object, and a side plate located between the cover plate and the bottom plate.
  • the cover plate, the bottom plate, and the side plate surround to form a baking tray having the access opening. Baking chamber
  • the inner surface of the box door is concavely formed with a concave structure, the concave structure has an inner groove, the groove is located at the bottom of the inner groove, the inner groove has a flow guide surface, and the guide The flow surface extends obliquely from the groove to the top of the box door and toward the inner cavity of the box.
  • the bottom plate is provided with a heating plate for carrying and heating a baking object; the bottom plate is provided with a plurality of air inlet holes communicating with the baking cavity, and a plurality of the air inlet holes The heating plate is distributed on the bottom plate along the circumferential direction; the cover plate is provided with a plurality of exhaust holes communicating with the baking chamber, and the plurality of exhaust holes are formed on the cover plate. Rectangular array.
  • the baking device receives grooves on the inside surface of the door by providing grooves on the inside surface of the door, so that the condensation is not easy to drip onto the baking object when the baking object is taken out.
  • the inner surface of the box door is provided with a concave structure to reduce the resistance of the condensate to flow downwards, so that the condensate can fall into the groove faster; by setting the air intake hole on the bottom plate and the exhaust hole
  • the cover plate makes the air flow field in the baking chamber more stable, and further improves the baking effect.
  • FIG. 1 is a schematic structural diagram of a baking device according to an embodiment of the present application.
  • FIG. 2 is a cross-sectional view of a baking device according to an embodiment of the present application.
  • FIG. 3 is an enlarged view at A in FIG. 2; FIG.
  • FIG. 4 is an enlarged view at B in FIG. 2.
  • first and second are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as “first” and “second” may explicitly or implicitly include one or more of the features. In the description of the present application, the meaning of "a plurality" is two or more, unless specifically defined otherwise.
  • This embodiment provides a baking device, as shown in FIG. 1 and FIG. 2, and includes a box 1.
  • the side of the box 1 has a pick-and-place opening for placing and taking out a baking object.
  • a box door 2 for opening and closing the access port is installed, and the box door 2 faces the inner surface of the box body 1 (that is, the surface of the box door 2 facing the inner cavity of the box body 1 when the access door is closed) is provided for receiving condensation ⁇ ⁇ ⁇ 221 ⁇ The groove 221.
  • the volatile materials of the baking object volatilize to form a condensate attached to the inner surface of the box door 2 and flow downward along the inner surface of the box door 2 under the effect of gravity, falling on the inner side of the box door 2 Inside the groove 221 on the surface.
  • the opening action of the box door 2 is not easy to cause the condensate attached to the inner surface of the box door 2 to drip on the baking object when the baking object passes through the opening, so as to prevent the baking object from being contaminated by the condensation. To ensure the quality of baking.
  • the box door 2 is connected with a pipe (not shown in the figure) communicating with the groove 221, so that the condensate received in the groove 221 can be discharged outward through the pipe in time to avoid removing the box door 2
  • the inside surface of the box door 2 and the condensate in the groove 221 are frequently cleaned.
  • a recessed structure 22 is formed on the inner surface of the box door 2.
  • the recessed structure 22 has an inner groove, and the groove 221 is located at the bottom of the inner groove.
  • the inner groove has a flow guiding surface. 222.
  • the lower end of the diversion surface 222 is connected to the groove 221.
  • the diversion surface 222 extends from the groove 221 to the top of the door 2 so that the condensate attached to the inner surface of the door 2 can flow into the groove along the diversion surface 222 Inside the groove 221.
  • the diversion surface 222 extends obliquely from the groove 221 toward the top end of the box door 2 toward the inner cavity of the cabinet 1, that is, the diversion surface 222 extends obliquely from the bottom to the inner cavity of the cabinet 1.
  • the condensate can fall into the groove 221 more quickly.
  • the inclination direction of the diversion surface 222 and a plumb line that is, the direction of gravity
  • form an included angle of 3 ° to 5 ° that is, the angle ⁇ in FIG.
  • the box 1 has a cover plate 13, a bottom plate 14, and a side plate 15.
  • the bottom plate 14 is located at the bottom of the box 1 and is used to carry baking objects; the cover plate 13 is opposite to the bottom plate 14. And is located above the bottom plate 14; the side plate 15 is provided with three pieces and is connected between the cover plate 13 and the bottom plate 14; and the cover plate 13, the bottom plate 14 and the three side plates 15 are surrounded to form a baking tray with a pick-and-place opening.
  • the baking chamber 16 has a simpler structure.
  • the box door 2 is slidably mounted on the box body 1 in a direction perpendicular to the bottom plate 14. Slide the box door 2 upward to open the access port, and slide the box door 2 downward to close the access port.
  • the door 2 can be connected with a driving mechanism to drive the door 2 to slide up and down to open and close the access port; and the groove 221 on the inner surface of the door 2 can receive condensate and the pipe can be discharged out of the groove 221 to accept
  • the mechanical vibration generated when the driving mechanism drives the box door 2 to slide causes the condensate to drip onto the baking object.
  • the driving mechanism may adopt an air cylinder or a linear motor, which is convenient for a computer to control the driving mechanism movement through a program, and drive the door 2 to slide, so that the pick-and-place opening and closing can be automatically opened and closed to realize automatic production.
  • the box door 2 can also be hingedly mounted on the box body 1 and rotated upward to open the access port through a driving mechanism, and rotated downward to close the access port.
  • the specific structure of the box door 2 includes a plurality of door plates 21 fixedly connected to each other, and the plurality of door plates 21 are sequentially arranged along the sliding direction of the box door 2 (that is, the direction perpendicular to the bottom plate 14 or the up-down direction), and each door plate 21 Each has the aforementioned concave structure 22.
  • the inner surface of the box door 2 has a recessed structure 22 at every distance along the sliding direction of the box door 2, and the condensate can be grooved by flowing a certain distance.
  • the first and second sealing pads 31 and 32 are fixedly connected to two ends of the box door 2 along the sliding direction, respectively.
  • the box body 1 has a first abutting surface 11 and a second Abutment surface 12.
  • the first seal 31 on the door 2 and the first abutment surface 11 of the box 1 abut, and the second seal 32 on the door 2 and the box 1
  • the second abutting surface 12 is abutted and matched, seals the gap between the box door 2 and the box body 1, and reduces gas leakage and heat loss in the box body 1.
  • the first abutment surface 11 is formed on the cover plate 13, and the second abutment surface 12 is formed on the bottom plate 14; when the door 2 is closed, the first gasket 31 of the door 2 and the The first abutment surface 11 is abutted, and the second gasket 32 on the box door 2 is abutted on the second abutment surface 12 on the bottom plate 14.
  • a convex strip 23 is integrally formed on the upper end of the door panel 21 located at the uppermost part of the box door 2, and the convex strip 23 protrudes from the inner surface of the box door 2, and the first gasket 31
  • the first sealing pad 31 is elastically pressed against the first contact surface 11 of the cover plate 13 when the box door 2 closes the access opening.
  • the second sealing pad 32 is fixed on the lower end surface of the door panel 21 located at the lowermost part of the box door 2; when the box door 2 closes the access opening, the second sealing pad 32 is elastically pressed against On the second abutting surface 12 of the bottom plate 14.
  • Both the first gasket 31 and the second gasket 32 can be made of silica gel, which has better elasticity and thermal stability, has a significant sealing effect, and can cushion the impact of the door 2 when the door 2 is slid and closed when the door is accessed. vibration.
  • the bottom plate 14 is provided with an air inlet hole 141
  • the cover plate 13 is provided with an air outlet hole 131.
  • the air inlet hole 141 and the air outlet hole 131 are communicated with the baking chamber 16, respectively.
  • both the air inlet hole 141 of the bottom plate 14 and the exhaust hole 131 of the cover plate 13 can be connected to an air pipe.
  • the air inlet hole 141 of the bottom plate 14 passes into the airflow, and the airflow flows through the cover plate 13 after flowing in the baking chamber 16.
  • the exhaust holes 131 are discharged outward.
  • the airflow passing through the air inlet hole 141 of the bottom plate 14 is not easy to blow toward the baking object, but rather to the exhaust of the cover plate 13.
  • the air holes 131 flow, and the airflow formed by the evaporation of the liquid on the baking object is not easy to form a frontal confrontation with the airflow passing through the air inlet hole 141, which can avoid the formation of a turbulent airflow field above the baking object in the baking chamber 16.
  • the airflow flow field is more stable, which is beneficial to improve the baking effect; moreover, the flow of the airflow in the baking chamber 16 can take away most of the volatile substances of the baking object, thereby reducing the condensate attached to the inner wall of the cabinet 1.
  • a heating plate 4 for carrying and heating a baking object is fixedly installed on the bottom plate 14, and the heating plate 4 is located inside the cabinet 1 (ie, inside the baking chamber 16).
  • the baking object is placed on the heating plate 4 so that the heating plate 4 heats the baking object and cooperates with the airflow flowing in the baking chamber 16 to increase the baking speed and dry the baking object. Liquid and take away most of the volatiles from the baked object.
  • a heated airflow can also be passed directly into the baking chamber 16 through the air inlet 141 on the bottom plate 14. The heated airflow flows in the baking chamber 16 and from the cover plate 13.
  • the exhaust holes 131 are exhausted outward, so that the temperature in the baking chamber 16 rises, the liquid of the baking object is dried, and most of the volatile substances of the baking object are taken away.
  • the air intake holes 141 on the bottom plate 14 are optionally provided in multiples, and the plurality of air intake holes 141 are distributed on the bottom plate 14 along the circumferential direction of the heating plate 4 so that the plurality of air intake holes 141 on the bottom plate 14 surround the heating Around the plate 4, make sure that the air flowing from the air inlet 141 into the baking chamber 16 will not blow to the baking object placed on the heating plate 4; and make the air flow more evenly flow into the baking chamber 16 to bake The airflow field formed in the cavity 16 is more stable, and the baking effect is further improved.
  • a plurality of exhaust holes 131 may also be optionally used on the cover plate 13, and the plurality of exhaust holes 131 are distributed in a rectangular array shape on the cover plate 13, so that the airflow passing through the baking chamber 16 can be removed from the cover plate 13. Multiple locations eject out evenly and quickly.
  • the baking device receives grooves on the inside surface of the door by providing grooves on the inside surface of the door, so that the condensation is not easy to drip onto the baking object when the baking object is taken out.
  • the inner surface of the box door is provided with a concave structure to reduce the resistance of the condensate to flow downwards, so that the condensate can fall into the groove faster; by setting the air inlet hole on the bottom plate and the exhaust hole on the The cover plate makes the air flow field in the baking chamber more stable, and further improves the baking effect.

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  • Baking, Grill, Roasting (AREA)
  • Exposure Of Semiconductors, Excluding Electron Or Ion Beam Exposure (AREA)

Abstract

一种烘烤设备，包括箱体(1)，箱体(1)具有用于放入和取出烘烤物体的取放口，箱体(1)安装有用于开启和关闭取放口的箱门(2)，箱门(2)的内侧表面设置有用于承接凝结物的沟槽(221)。

Description

一种烘烤设备 技术领域
本申请属于烘烤技术领域，更具体地说，是涉及一种烘烤设备。
背景技术
在彩色滤色片的制程中，基板经过涂布机涂布光阻材料后需要使用烤箱进行烘烤，以烘干光阻材料中的部分溶剂，使其固化至接近湿膜状态，并增加光阻材料与基板的附着力。
在示例性结构的烤箱中，烤箱的侧板上开设有投放口，并安装用于开启和关闭投放口的箱门。生产时，先将箱门打开，把涂布有光阻材料的基板放入烤箱内，然后关闭箱门，对基板上的光阻材料进行烘烤。在烘烤过程中，光阻材料中的溶剂挥发后易于形成凝结物附着在烤箱及其箱门上；当烘烤结束后，工作人员将箱门打开，并通过投放口从烤箱内取出基板，此时，箱门打开的动作容易引起箱门内侧面附着的凝结物向下流动或滴落，尤其是在基板经过投放口时，容易有凝结物滴落在基板上，进而造成基板和光阻材料被污染，影响后续的生产。
申请内容
本申请的目的在于提供一种烘烤设备，以解决从烤箱内取出烘烤物体时凝结物容易滴落到烘烤物体上的技术问题。
为实现上述目的，本申请采用的技术方案是：一种烘烤设备，包括箱体，所述箱体具有用于放入和取出烘烤物体的取放口，所述箱体安装有用于开启和关闭所述取放口的箱门，所述箱门的内侧表面设置有用于承接凝结物的沟槽。
在一个实施例中，所述箱门连接有与所述沟槽相连通的管道。
在一个实施例中，所述箱门的内侧表面凹陷形成有内凹结构，所述内凹结构具有内凹槽，所述沟槽位于所述内凹槽的底部，所述内凹槽具有一导流面，所述导流面从所述沟槽向所述箱门的顶端延伸。
在一个实施例中，所述导流面从所述沟槽向所述箱门的顶端并朝所述箱体的内腔的方向倾斜延伸。
在一个实施例中，所述导流面与铅锤线之间形成的夹角为3°至5°。
在一个实施例中，所述箱体包括盖板、用于承载烘烤物体的底板以及位于所述盖板和底板之间的侧板，所述盖板、底板和侧板合围形成具有所述取放口的烘烤腔室。
在一个实施例中，所述箱门沿垂直于所述底板的方向滑动安装于所述箱体。
在一个实施例中，所述箱门包括沿所述箱门的滑动方向依序连接的多个门板，每个所述门板上均形成有一个所述内凹结构。
在一个实施例中，所述箱门沿其滑动方向的两端分别设置有第一密封垫和第二密封垫，所述箱体具有用于与所述第一密封垫抵接的第一抵接面和用于与所述第二密封垫抵接的第二抵接面。
在一个实施例中，位于所述箱门最上方的门板的上端设置有凸条，所述凸条凸出于所述箱门的内侧表面；所述第一密封垫固定在所述凸条的下表面，所述第二密封垫固定在位于所述箱门最下方的门板的下端表面。
在一个实施例中，所述第一密封垫和第二密封垫均采用硅胶垫。
在一个实施例中，所述底板上设置有用于承载和加热烘烤物体的加热板。
在一个实施例中，所述底板开设有与所述烘烤腔室连通的进气孔，所述盖板开设有与所述烘烤腔室连通的排气孔。
在一个实施例中，所述底板上的进气孔设置有多个，多个所述进气孔沿所述加热板的周向分布在所述底板上。
在一个实施例中，所述盖板上的排气孔设置有多个，多个所述排气孔在所述盖板上呈矩形阵列状分布。
本申请还提供了另一种烘烤设备，包括箱体，所述箱体具有用于放入和取出烘烤物体的取放口，所述箱体安装有用于开启和关闭所述取放口的箱门，所述箱门的内侧表面设置有用于承接凝结物的沟槽；
所述箱体包括盖板、用于承载烘烤物体的底板、以及位于所述盖板和底板之间的侧板，所述盖板、底板和侧板合围形成具有所述取放口的烘烤腔室；
所述箱门的内侧表面凹陷形成有内凹结构，所述内凹结构具有内凹槽，所述沟槽位于所述内凹槽的底部，所述内凹槽具有导流面，所述导流面从所述沟槽向所述箱门的顶端并朝所述箱体的内腔的方向倾斜延伸。
在一个实施例中，所述底板上设置有用于承载和加热烘烤物体的加热板；所述底板开设有与所述烘烤腔室连通的多个进气孔，多个所述进气孔沿所述加热板的周向分布在所述底板上；所述盖板开设有与所述烘烤腔室连通的多个排气孔，多个所述排气孔在所述盖板上呈矩形阵列状分布。
本申请提供的烘烤设备，通过在箱门的内侧表面设置沟槽，承接箱门的内侧表面附着的凝结物，使得取出烘烤物体时凝结物不易滴落到烘烤物体上；通过进一步在箱门的内侧表面设置内凹结构，减小凝结物向下流动的阻力，使凝结物能够更快地落入到沟槽内；通过将进气孔设置在底板上并将排气孔设置在 盖板上，使烘烤腔室内的气流流场更加稳定，进一步提高烘烤效果。
附图说明
为了更清楚地说明本发明实施例中的技术方案，下面将对实施例或现有技术描述中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图仅仅是本发明的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其它的附图。
图1为本申请实施例的烘烤设备的结构示意图；
图2为本申请实施例的烘烤设备的剖视图；
图3为图2中A处的放大图；
图4为图2中B处的放大图。
其中，图中各附图标记：
1、箱体；11、第一抵接面；12、第二抵接面；13、盖板、131、排气孔；14、底板；141、进气孔；15、侧板；16、烘烤腔室；2、箱门；21、门板；22、内凹结构；221、沟槽；222、导流面；23、凸条；31、第一密封垫；32、第二密封垫；4、加热板。
具体实施方式
为了使本申请所要解决的技术问题、技术方案及效果更加清楚明白，以下结合附图及实施例，对本申请进行进一步详细说明。应当理解，此处所描述的具体实施例仅仅用以解释本申请，并不用于限定本申请。
需要说明的是，当元件被称为“固定于”或“设置于”另一个元件，它可以直接在另一个元件上或者间接在该另一个元件上。当一个元件被称为是“连接于”另一个元件，它可以是直接连接到另一个元件或间接连接至该另一个元件上。
需要理解的是，术语“长度”、“宽度”、“上”、“下”、“前”、“后”、“左”、“右”、“竖直”、“水平”、“顶”、“底”“内”、“外”等指示的方位或位置关系为基于附图所示的方位或位置关系，仅是为了便于描述本申请和简化描述，而不是指示或暗示所指的装置或元件必须具有特定的方位、以特定的方位构造和操作，因此不能理解为对本申请的限制。
此外，术语“第一”、“第二”仅用于描述目的，而不能理解为指示或暗示相对重要性或者隐含指明所指示的技术特征的数量。由此，限定有“第一”、“第二”的特征可以明示或者隐含地包括一个或者更多个该特征。在本申请的描述中，“多个”的含义是两个或两个以上，除非另有明确具体的限定。
本实施例提供一种烘烤设备，如图1和图2所示，包括箱体1，该箱体1的侧面具有用于放入和取出烘烤物体的取放口，在箱体1上安装有用于开启和关闭取放口的箱门2，且箱门2朝向箱体1的内侧表面(即箱门2关闭取放口时朝向箱体1的内腔的表面)开有用于承接凝结物的沟槽221。
在烘烤过程中，烘烤物体的挥发性物质挥发后形成凝结物附着箱门2的内侧表面，并在重力的作用下沿箱门2的内侧表面向下流动，落在箱门2的内侧表面上的沟槽221内。特别是当烘烤结束后，箱门2打开的动作不易使箱门2的内侧表面附着的凝结物在烘烤物体经过投放口时滴落在烘烤物体上，避免烘烤物体被凝结物污染，确保烘烤质量。
在一个实施例中，箱门2连接有与沟槽221相连通的管道(图中未示出)，使沟槽221内承接的凝结物能够通过管道及时向外排出，避免拆下箱门2频繁地清理箱门2的内侧表面以及沟槽221内的凝结物。
具体的，结合图3，在箱门2的内侧表面凹陷形成有内凹结构22，内凹结构22具有内凹槽，且沟槽221位于内凹槽的底部；内凹槽具有一导流面222， 导流面222的下端与沟槽221连接，导流面222从沟槽221向箱门2的顶端延伸，使附着在箱门2的内侧表面的凝结物能够沿导流面222流入沟槽221内。
在一个实施例中，导流面222从沟槽221向箱门2的顶端方向朝箱体1的内腔倾斜延伸，即导流面222自下而上朝箱体1的内腔倾斜延伸，以减小凝结物沿导流面222向下流动的阻力，使凝结物能够更快地落入到沟槽221内。可选的，导流面222的倾斜方向与一铅锤线(即重力方向)形成3°至5°的夹角(即图3中的α角)；在该夹角范围内，既能确保凝结物沿导流面222向下流动时不易因附着力不足而突然滴落，又能够减小凝结物沿导流面222向下流动的阻力。
具体的，如图1和图2所示，箱体1具有盖板13、底板14和侧板15，底板14位于箱体1的底部，用于承载烘烤物体；盖板13与底板14相对设置，并位于底板14的上方；侧板15设置有三块，并分别连接在盖板13和底板14之间；而且盖板13、底板14和三块侧板15合围形成具有取放口的烘烤腔室16，结构更加简单。
在一个实施例中，箱门2沿垂直于底板14的方向滑动安装于箱体1，向上滑动箱门2可以开启取放口，向下滑动箱门2则可以关闭取放口。箱门2可连接驱动机构，用以驱动箱门2向上和向下滑动，打开和关闭取放口；而且箱门2内侧表面的沟槽221能够承接凝结物，管道能够排出沟槽221内承接的凝结物，使驱动机构驱动箱门2滑动时所产生的机械振动不易导致凝结物滴落到烘烤物体上。驱动机构可采用气缸或直线电机等，便于计算机通过程序控制驱动机构动作，驱动箱门2滑动，使取放口自动开启和关闭，实现自动化生产。在其它实施例中，箱门2还可以铰接安装于箱体1，并通过驱动机构向上转动以打开取放口，向下转动以关闭取放口。
箱门2的具体结构包括相互固定连接的多个门板21，而且多个门板21沿箱门2的滑动方向(即垂直于底板14的方向或上下方向)依序排布，而且每个门板21均具有上述的内凹结构22。通过将箱门2的结构设置为多个门板21，使箱门2的内侧表面沿箱门2的滑动方向每间隔一段距离就有一个内凹结构22，凝结物流动一段距离就能被沟槽221承接并排出；特别是当箱门2的内侧表面的面积较大时，可以使箱门2的内侧表面附着的大部分凝结物能够被多个沟槽221承接并排出，进一步确保箱门2的内侧表面不易附着凝结物并确保凝结物不易滴落。
如图2至图4所示，箱门2沿其滑动方向的两端分别固定连接有第一密封垫31和第二密封垫32，同时，箱体1具有第一抵接面11和第二抵接面12。当箱门2关闭取放口时，箱门2上的第一密封垫31与箱体1的第一抵接面11抵接配合，而且箱门2上的第二密封垫32与箱体1的第二抵接面12抵接配合，封住箱门2与箱体1之间的缝隙，减少箱体1内的气体泄漏和热量散失。第一抵接面11形成在盖板13上，第二抵接面12形成在底板14上；当箱门2关闭取放口时，箱门2的第一密封垫31与盖板13上的第一抵接面11抵接配合，箱门2上的第二密封垫32与底板14上的第二抵接面12抵接配合。
具体的，如图2和图3所示，位于箱门2的最上方的门板21的上端一体成型有一凸条23，该凸条23凸出于箱门2的内侧表面，第一密封垫31粘贴固定在凸条23的下表面；当箱门2关闭取放口时，第一密封垫31弹性抵压于盖板13的第一抵接面11。如图2和图4所示，第二密封垫32则粘贴固定在位于箱门2的最下方的门板21的下端表面；当箱门2关闭取放口时，第二密封垫32弹性抵压于底板14的第二抵接面12。第一密封垫31和第二密封垫32均可采用硅胶垫，具有较佳的弹性和热稳定性，密封作用明显，并能缓冲箱门 2滑动关闭取放口时撞击箱门2所产生的振动。
在一个实施例中，底板14开设有进气孔141，盖板13开设有排气孔131，进气孔141和排气孔131分别与烘烤腔室16相连通。使用时，底板14的进气孔141和盖板13的排气孔131均可连接气管，底板14的进气孔141通入气流，该气流在烘烤腔室16内流动后通过盖板13的排气孔131向外排出。由于烘烤物体承载于底板14上，而且进气孔141开设在底板14上，因此，由底板14的进气孔141通入的气流不易吹向烘烤物体，而是向盖板13的排气孔131流动，烘烤物体上的液体蒸发形成的气流不易与进气孔141通入的气流形成正面交锋，可避免在烘烤腔室16中形成位于烘烤物体上方的紊乱的气流流场，气流流场更加稳定，有利于提高烘烤效果；而且烘烤腔室16内气流的流动能够带走烘烤物体的大部分挥发性物质，进而减少箱体1的内壁附着的凝结物。
在一个实施例中，底板14上还固定安装有一块用于承载和加热烘烤物体的加热板4，而且该加热板4位于箱体1的内部(即烘烤腔室16内)。在烘烤时，烘烤物体放置在加热板4上，使加热板4对烘烤物体进行加热，并配合在烘烤腔室16内流动的气流，提高烘烤速度，烘干烘烤物体的液体，并带走烘烤物体的大部分挥发性物质。在其它实施例中，也可以直接从底板14上的进气孔141往烘烤腔室16中通入加热的气流，该加热的气流在烘烤腔室16中流动，并从盖板13上的排气孔131向外排出，使烘烤腔室16内的温度上升，烘干烘烤物体的液体，并带走烘烤物体的大部分挥发性物质。
底板14上的进气孔141可选地设置为多个，而且多个进气孔141沿加热板4的周向分布在底板14上，使底板14上的多个进气孔141环绕在加热板4的四周，确保从进气孔141流入烘烤腔室16的气流不会吹向放置在加热板4上的烘烤物体；并且使气流更加均匀地流入烘烤腔室16中，烘烤腔室16内形 成的气流流场更加稳定，进一步提高烘烤效果。盖板13上也可选地采用多个排气孔131，而且多个排气孔131在盖板13上呈矩形阵列状分布，使流过烘烤腔室16的气流能够从盖板13的多个位置均匀快速地向外排出。
本申请提供的烘烤设备，通过在箱门的内侧表面设置沟槽，承接箱门的内侧表面附着的凝结物，使得取出烘烤物体时凝结物不易滴落到烘烤物体上；通过进一步在箱门的内侧表面设置内凹结构，减小凝结物向下流动的阻力，使凝结物能够更快地落入到沟槽内；通过将进气孔设置在底板上并将排气孔设置在盖板上，使烘烤腔室内的气流流场更加稳定，进一步提高烘烤效果。
以上仅为本申请的可选实施例而已，并不用于限制本申请。对于本领域的技术人员来说，本申请可以有各种更改和变化。凡在本申请的精神和原则之内，所作的任何修改、等同替换、改进等，均应包含在本申请的权利要求范围之内。

Claims (17)

  1. 一种烘烤设备，包括箱体，所述箱体具有用于放入和取出烘烤物体的取放口，所述箱体安装有用于开启和关闭所述取放口的箱门，所述箱门的内侧表面设置有用于承接凝结物的沟槽。
  2. 根据权利要求1所述的一种烘烤设备，所述箱门连接有与所述沟槽相连通的管道。
  3. 根据权利要求1所述的一种烘烤设备，所述箱门的内侧表面凹陷形成有内凹结构，所述内凹结构具有内凹槽，所述沟槽位于所述内凹槽的底部，所述内凹槽具有导流面，所述导流面从所述沟槽向所述箱门的顶端延伸。
  4. 根据权利要求3所述的一种烘烤设备，所述导流面从所述沟槽向所述箱门的顶端并朝所述箱体的内腔的方向倾斜延伸。
  5. 根据权利要求4所述的一种烘烤设备，所述导流面与铅锤线之间形成的夹角为3°至5°。
  6. 根据权利要求3所述的一种烘烤设备，所述箱体包括盖板、用于承载烘烤物体的底板以及位于所述盖板和底板之间的侧板，所述盖板、底板和侧板合围形成具有所述取放口的烘烤腔室。
  7. 根据权利要求6所述的一种烘烤设备，所述箱门沿垂直于所述底板的方向滑动安装于所述箱体。
  8. 根据权利要求7所述的一种烘烤设备，所述箱门包括沿所述箱门的滑动方向依序连接的多个门板，每个所述门板上均形成有一个所述内凹结构。
  9. 根据权利要求8所述的一种烘烤设备，所述箱门沿其滑动方向的两 端分别设置有第一密封垫和第二密封垫，所述箱体具有用于与所述第一密封垫抵接的第一抵接面和用于与所述第二密封垫抵接的第二抵接面。
  10. 根据权利要求9所述的一种烘烤设备，位于所述箱门最上方的门板的上端设置有凸条，所述凸条凸出于所述箱门的内侧表面；所述第一密封垫固定在所述凸条的下表面，所述第二密封垫固定在位于所述箱门最下方的门板的下端表面。
  11. 根据权利要求9所述的一种烘烤设备，所述第一密封垫和第二密封垫均采用硅胶垫。
  12. 根据权利要求6所述的一种烘烤设备，所述底板上设置有用于承载和加热烘烤物体的加热板。
  13. 根据权利要求12所述的一种烘烤设备，所述底板开设有与所述烘烤腔室连通的进气孔，所述盖板开设有与所述烘烤腔室连通的排气孔。
  14. 根据权利要求13所述的一种烘烤设备，所述底板上的进气孔设置有多个，多个所述进气孔沿所述加热板的周向分布在所述底板上。
  15. 根据权利要求13所述的一种烘烤设备，所述盖板上的排气孔设置有多个，多个所述排气孔在所述盖板上呈矩形阵列状分布。
  16. 一种烘烤设备，包括箱体，所述箱体具有用于放入和取出烘烤物体的取放口，所述箱体安装有用于开启和关闭所述取放口的箱门，所述箱门的内侧表面设置有用于承接凝结物的沟槽；
    所述箱体包括盖板、用于承载烘烤物体的底板、以及位于所述盖板和底板之间的侧板，所述盖板、底板和侧板合围形成具有所述取放口的烘烤腔室；
    所述箱门的内侧表面凹陷形成有内凹结构，所述内凹结构具有内凹槽， 所述沟槽位于所述内凹槽的底部，所述内凹槽具有导流面，所述导流面从所述沟槽向所述箱门的顶端并朝所述箱体的内腔的方向倾斜延伸。
  17. 根据权利要求16所述的一种烘烤设备，所述底板上设置有用于承载和加热烘烤物体的加热板；所述底板开设有与所述烘烤腔室连通的多个进气孔，多个所述进气孔沿所述加热板的周向分布在所述底板上；所述盖板开设有与所述烘烤腔室连通的多个排气孔，多个所述排气孔在所述盖板上呈矩形阵列状分布。
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WO2018076179A1 (zh) * 2016-10-25 2018-05-03 佛山市伟仕达电器实业有限公司 一种辐射式烘焙电烤箱

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