Vacuum oven applied to crystal oscillator assembly

Abstract

The utility model discloses an oven applied to a crystal oscillator assembly, relates to the field of vacuum ovens, and aims to solve the problem that after a large number of small workpieces are baked by an existing vacuum oven, the workpieces cannot be quickly taken out one by one due to the fact that the workpieces are in a high-temperature state. The baking oven comprises a baking oven body, a plurality of tray bases are installed in the baking oven body, a plurality of ceramic baking trays can be placed on the tray bases, and the baking oven body is provided with a heating component. According to the oven, at least one tray base is arranged in the internal assembly body oven, and the tray base is provided with the heating part, so that the utilization of the space in the oven is maximized, the heat in the oven is fully utilized, the utilization rate of the heat and the baking efficiency are improved, at least one ceramic baking tray can be freely placed on each layer of tray base, and the service life of the ceramic baking tray is prolonged. Therefore, free transfer of the baked workpiece is achieved, rapid cooling after baking is achieved, and the time cost is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of vacuum ovens, in particular to a vacuum oven applied to a crystal oscillator assembly. Background Art

[0002] An oven is a device that heats objects to evaporate the moisture inside them, thereby drying the objects.

[0003] After the oven dries the workpiece, the workpiece absorbs a lot of heat and is in a high temperature state. If the temperature in the oven does not drop high enough, the workpiece cannot be taken out quickly. When baking a large number of small workpieces, it is not practical to put the small workpieces in and out one by one. Therefore, it is urgent to design a vacuum oven that can conveniently load a large number of small workpieces and take out the high-temperature workpieces immediately after heating. Utility Model Content

[0004] In response to the shortcomings of the prior art, the present application provides a vacuum oven for crystal oscillator assembly to solve the workpiece loading problem of the existing vacuum oven, and the problem that the workpiece cannot be transferred out of the vacuum oven for cooling within a short period of time after heating, affecting the progress of subsequent processes and increasing time costs.

[0005] In order to solve the above technical problems, the first aspect of an embodiment of the present application provides a baking oven in a vacuum oven, comprising: a baking oven, wherein at least one tray base is installed inside the baking oven, at least one baking tray placement position is provided on the tray base, a ceramic baking tray is placed on the baking tray placement position, and the baking oven is equipped with a heating component.

[0006] A baking box in a vacuum oven using the technical solution, the heating component in the baking box can bake the workpieces placed on the ceramic baking tray, the ceramic baking tray can be freely placed on the bottom plate of the tray, so that the workpieces can be taken out by taking the ceramic baking tray after baking. The ceramic baking tray can hold one or more workpieces according to the actual size of the workpieces, and one or more workpieces can be taken out at one time by taking the ceramic baking tray. Compared with the prior art that requires taking the workpieces one by one from the baking box, the present application reduces time costs, improves thermal energy utilization, and improves baking quality.

[0007] Preferably, the heating component is a heating tube or a heating plate, and the heating tube or the heating plate is installed below the tray base.

[0008] Preferably, the heating tubes are distributed in a serpentine shape.

[0009] The snake-shaped heating tubes can concentrate the heat on the baking tray.

[0010] Preferably, the vacuum oven is provided with a plurality of baking boxes, and each baking box corresponds to an independent vacuum space on the vacuum oven.

[0011] Preferably, the vacuum oven comprises a vacuum pump system, and the vacuum pump system comprises a low vacuum pump and a compound molecular pump, and the low vacuum pump and the compound molecular pump are respectively connected to each of the vacuum spaces through pipelines.

[0012] Since each vacuum space is independent, the vacuum pump system can independently extract the gas in the baking box to form a vacuum environment.

[0013] Preferably, a power supply system is provided on the outside of the vacuum oven, and the power supply system is connected to the heating component; the vacuum oven also includes a control device, and the control device is powered by the power supply system.

[0014] The control device is used to control the various components and working process of the vacuum oven.

[0015] Preferably, the baking oven comprises a temperature detection device, which is connected to the control device and can detect the internal temperature of the baking oven in real time.

[0016] Preferably, the temperature detection device is connected to the temperature detection device installation port through the copper cover and the first sealing installation disk, and the temperature detection device is connected to the control device through the temperature detection device installation port;

[0017] and / or,

[0018] A heating component installation opening is provided on the baking oven, the heating component and the heating component installation opening are sealed and connected, and the heating component is connected to the power supply system through the heating component installation opening.

[0019] Preferably, the temperature detection device is connected to the temperature detection device installation port through a copper cover and a first sealing installation disk;

[0020] And / or, the heating component and the heating component mounting port are connected via a second sealing mounting disk and a heating component protection cover.

[0021] Preferably, the tray base comprises more than two, and the more than two tray bases are arranged in the baking oven in an upper and lower distribution manner.

[0022] Compared with the prior art, the beneficial effects of the utility model are:

[0023] The present application achieves maximum utilization of space in the baking oven by arranging a tray base in the internal assembly oven, and arranging a heating component on the tray base, thereby making full use of the heat in the baking oven, improving heat utilization and baking efficiency, and a plurality of ceramic baking trays can be freely placed on the tray base, thereby achieving free transfer of baked workpieces, achieving rapid cooling after baking, and reducing time costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0025] Figure 1 A three-dimensional structural diagram of a vacuum oven used for a crystal oscillator assembly provided in the present application.

[0026] Figure 2 This is a schematic diagram of the front view of a vacuum oven used for a crystal oscillator assembly provided in the present application.

[0027] Figure 3 This is a left-side structural schematic diagram of a vacuum oven used for a crystal oscillator assembly provided in the present application.

[0028] Figure 4 This is a right side structural schematic diagram of a vacuum oven used for a crystal oscillator assembly provided in the present application.

[0029] Figure 5 This is a three-dimensional structural diagram of the baking box in the vacuum oven of this application.

[0030] Figure 6 This is a schematic diagram of the front view of the baking box in the vacuum oven of the present application.

[0031] Figure 7 This is a schematic diagram of the rear view structure of the baking box in the vacuum oven of this application.

[0032] In the figure: 1. baking oven; 2. oven cabinet; 3. vacuum pump system; 4. door sealing plate; 5. handle; 6. hinge seat; 7. sealing ring; 8. handle ear; 9. tray base; 10. ceramic baking tray; 11. temperature detection device; 12. heating component; 13. heating component installation port; 14. temperature detection device installation port; 15. pipeline installation port; 16. top sealing plate; 17. fan; 18. multi-layer alarm warning light; 19. pulley; 20. temperature module installation plate; 2001. vacuum gauge display; 2002. compound high vacuum gauge; 21. front sealing plate; 2101. display screen; 2102. emergency stop switch; 2103. red, orange and green buttons; 22. low vacuum pump; 23. compound molecular pump; 24. pipeline; 25. cover; 26. copper cover; 27. first sealing installation plate; 28. second sealing installation plate; 29. ​​heating component protection cover; 30. pipeline. DETAILED DESCRIPTION

[0033] The present application provides a vacuum oven for crystal oscillator assembly. To make the purpose, technical solution and effect of the present application clearer and more specific, the present application is further described in detail with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described herein are only used to explain the present application and are not used to limit the present application.

[0034] It will be understood by those skilled in the art that, unless expressly stated, the singular forms "one", "said", and "the" used herein may also include plural forms. It should be further understood that the term "comprising" used in the specification of the present application refers to the presence of the features, integers, steps, operations, elements and / or components, but does not exclude the presence or addition of one or more other features, integers, steps, operations, elements, components and / or groups thereof. It should be understood that when we refer to an element as being "connected" or "coupled" to another element, it may be directly connected or coupled to the other element, or there may be an intermediate element. In addition, the "connection" or "coupling" used herein may include wireless connection or wireless coupling. The term "and / or" used herein includes all or any unit and all combinations of one or more associated listed items.

[0035] It will be understood by those skilled in the art that, unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meaning as those generally understood by those skilled in the art to which this application belongs. It should also be understood that terms such as those defined in general dictionaries should be understood to have meanings consistent with those in the context of the prior art, and will not be interpreted with idealized or overly formal meanings unless specifically defined as here.

[0036] The application content is further explained below through the description of embodiments in conjunction with the accompanying drawings.

[0037] The drawings of the present invention are only used for illustrative purposes and cannot be construed as limiting the present invention. In order to better illustrate the following embodiments, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of the actual product; for those skilled in the art, it is understandable that some well-known structures and their descriptions in the drawings may be omitted.

[0038] Example 1

[0039] like Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 , Figure 7 As shown, the utility model proposes a vacuum oven for crystal oscillator assembly, comprising: a baking oven 1, at least one tray base 9 is installed inside the baking oven 1, a heating component 12 is installed at the bottom of the tray base 9, and at least one ceramic baking tray 10 can be placed on the tray base 9, and there is a certain distance between the ceramic baking trays 10.

[0040] In this embodiment, the tray base 9 inside the baking oven 1 may include one or more tray bases, and the specific number may be set according to the requirements of the vacuum oven.

[0041] In this embodiment, each tray base 9 can be provided with one or more ceramic baking trays 10 according to actual needs and the space inside the baking oven 1 .

[0042] like Figure 5 and 6 As shown, illustratively, three ceramic baking trays 10 can be placed on each of the tray bases 9 .

[0043] Specifically, each of the ceramic baking trays 10 is sized according to the requirements to fit the crystal oscillator assembly to be baked. Generally, the ceramic baking tray 10 can hold multiple crystal oscillator assemblies, so that after baking, multiple crystal oscillator assemblies can be taken out by taking out the ceramic baking tray 10, thereby improving work efficiency.

[0044] In an optional embodiment, when at least two ceramic baking trays 10 can be placed on the tray base 9 , the ceramic baking trays 10 are placed at a certain distance to facilitate taking and placing the ceramic baking trays 10 .

[0045] It can be understood that the oven 1 is provided with a door sealing plate 4 and a door frame adapted to the door sealing plate 4, and the door sealing plate 4 is mounted on the door frame. In an optional embodiment, the door sealing plate 4 is mounted on the door opening through a hinge seat 6. In another optional embodiment, the door sealing plate 4 is provided with a handle 5, and the oven is provided with a handle hanging ear 8 adapted to the handle 5. In another optional embodiment, a sealing ring 7 is provided at the contact point between the door sealing plate 4 and the door frame.

[0046] In an optional embodiment, the heating component 12 is a heating tube or a heating plate, and the heating tube or the heating plate is installed under the tray base 9.

[0047] In this embodiment, in order to enable the heating component 12 to heat the ceramic baking tray 10 on each tray base 9 in a targeted manner, the heating component 12 is configured as a heating tube or a heating plate and is arranged under the tray base 11, so that each tray base 9 can correspond to a heating tube or a heating plate, thereby improving the heating efficiency and heating effect.

[0048] Optionally, when the heating component 12 adopts a heating tube, the heating tube is distributed in a serpentine shape under the tray base 9. The serpentine-shaped heating tubes can be evenly distributed under the tray base 9, so that the heating is uniform, ensuring the baking uniformity of the crystal oscillator assembly.

[0049] In an optional embodiment, the vacuum oven is provided with a plurality of baking ovens 1, and the number of baking ovens required for the work can be set according to the specific situation. The positions can be arranged side by side or up and down on the same side of the vacuum oven, or can be arranged on both sides of the vacuum oven to maximize the use of space.

[0050] Each of the baking boxes 1 corresponds to an independent vacuum space on the vacuum oven, and each independent vacuum space corresponds to an independent tray base 9, a ceramic baking tray 10 and a heating component 12, and each baking box 1 can work independently. When working, baking boxes 1 with different loading specifications can be set according to different needs to form an independent vacuum environment.

[0051] It can be understood that the vacuum oven includes an oven cabinet 2 and a vacuum pump system 3 .

[0052] In this embodiment, the oven cabinet 2 is installed with a temperature module mounting plate 20 and a front sealing plate 21 .

[0053] like Figure 1 , Figure 2For example, the temperature module mounting plate 20 is equipped with a vacuum gauge display 2001 and a compound high vacuum gauge 2002, which can monitor the vacuum conditions in the baking oven in real time. The front sealing plate 21 is equipped with but not limited to a display screen 2101, an emergency stop switch 2102 and a red, orange and green button 2103, which can monitor and control the working process in real time.

[0054] In this embodiment, the vacuum pump system 3 includes a low vacuum pump 22 and a compound molecular pump 23. In specific implementation, the vacuum pump system 3 also includes a cover 25, on which the low vacuum pump 22 and the compound molecular pump 23 are installed. The vacuum system 3 is connected to the baking oven 1.

[0055] Specifically, the low vacuum pump 22 and the compound molecular pump 23 are connected by a pipe 30, and are respectively connected to the baking box 1 in the vacuum oven through pipes 24. In specific implementation, the pipe 24 can be a linear pipe or a three-way pipe, a four-way pipe, etc., and the specific pipe type is set according to actual needs. The low vacuum pump 22 and the compound molecular pump 23 can be used to extract the gas in the baking box 1 according to the working situation to form a vacuum environment.

[0056] Optionally, a pulley 19 is installed at the bottom of the oven cabinet 2 to facilitate the movement of the entire vacuum oven.

[0057] During operation, the low vacuum pump 22 or the compound molecular pump 23 is started according to actual conditions, or the two are used in combination to extract the gas in the baking box 1 to form a vacuum environment and improve the baking quality.

[0058] In this embodiment, a power supply system is provided outside the vacuum oven, and the power supply system is connected to the heating component 12 . The power supply system provides electric energy to heat up the heating component 12 .

[0059] The vacuum oven further comprises a control device. In specific implementation, the control device may use an external power supply to connect to a power supply system, or may use an internal power supply.

[0060] In this embodiment, the baking oven 1 includes a temperature detection device 11, which is connected to the control device. When working, the temperature detection device can detect the real-time temperature in the baking oven 1 and upload it to the temperature control module.

[0061] Specifically, a temperature detection device installation opening 14 is provided on the baking oven 1 , and the temperature detection device 11 is connected to the control device through the temperature detection device installation opening 14 .

[0062] More specifically, the temperature detection device 11 is connected to the temperature detection device installation port 14 via a copper cover 26 and a first sealing installation disk 27 . The copper cover has good thermal conductivity, thereby improving the detection accuracy of the temperature detection device.

[0063] In another optional embodiment, the temperature detection device 11 may be wirelessly connected to the control device;

[0064] In an optional implementation, the temperature detection device 11 can be implemented by a temperature detection rod. In this embodiment, the heating component 12 can be connected to the power supply system through the heating component installation port 13.

[0065] Specifically, a heating component installation opening 13 is provided on the baking oven 1 , and the heating component 12 is sealed and connected to the heating component installation opening 13 .

[0066] More specifically, the heating component 12 and the heating component installation opening 13 are connected via the second sealing installation disk 28 and the heating component protection cover 29 , and the heating component protection cover can prevent heat loss caused by heat conduction.

[0067] In an optional embodiment, ceramic baking trays 10 of different sizes may be provided according to circumstances.

[0068] In another optional embodiment, a single or more tray bases 9 may be provided in the baking oven 1 according to the actual situation. The multiple tray bases 9 may be distributed up and down or side by side in the baking oven 1 .

[0069] The working principle of the baking box in the vacuum oven based on Example 1 is: a workpiece, such as a crystal assembly, is mounted on a ceramic baking tray 10 and then placed on the baking box tray base. During operation, the handle 5 is tightly locked with the handle hanger 8, and the vacuum pump system 3 is connected to the baking box 1 to extract the gas in the baking box 1 to form a vacuum environment. The heating component 12 conducts a large amount of heat energy to bake the workpiece. Since ceramics have a very high specific heat capacity, the temperature of the ceramic baking tray 10 is much lower than that of the workpiece after baking, and the workpiece can be moved out of the baking box 1 in a short time.

[0070] Obviously, the above embodiments of the utility model are only examples for clearly explaining the technical solution of the utility model, and are not intended to limit the specific implementation methods of the utility model. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the claims of the utility model shall be included in the protection scope of the claims of the utility model.

Claims

1. A vacuum oven for crystal oscillator assembly, comprising a baking box (1), characterized in that: At least one tray base (9) is installed inside the baking oven (1), at least one baking tray placement position is provided on the tray base (9), a ceramic baking tray (10) is placed on the baking tray placement position, and the baking oven (1) is installed with a heating component (12).

2. A vacuum oven for crystal oscillator assembly according to claim 1, characterized in that: The heating component (12) is a heating tube or a heating plate, and the heating tube or the heating plate is installed below the tray base (9).

3. A vacuum oven for crystal oscillator assembly according to claim 2, characterized in that: The heating pipes are distributed in a serpentine shape below the tray base (9).

4. The vacuum oven for crystal oscillator assembly according to claim 1, characterized in that: The vacuum oven is provided with a plurality of baking boxes (1), and each baking box (1) corresponds to an independent vacuum space on the vacuum oven.

5. The vacuum oven for crystal oscillator assembly according to claim 4, characterized in that: The vacuum oven further comprises a vacuum pump system (3), wherein the vacuum pump system (3) comprises a low vacuum pump (22) and a compound molecular pump (23), wherein the low vacuum pump (22) and the compound molecular pump (23) are respectively connected to each of the vacuum spaces via pipelines (24).

6. The vacuum oven for crystal oscillator assembly according to claim 1, characterized in that: The vacuum oven is provided with a power supply system outside, and the power supply system is connected to the heating component; the vacuum oven also includes a control device, and the control device is connected to the power supply system for power supply.

7. The vacuum oven for crystal oscillator assembly according to claim 6, characterized in that: The baking oven (1) comprises a temperature detection device (11), and the temperature detection device (11) is connected to the control device.

8. The vacuum oven for crystal oscillator assembly according to claim 7, characterized in that: A temperature detection device installation opening (14) is provided on the baking oven (1), and the temperature detection device (11) is connected to the control device via the temperature detection device installation opening (14); And / or, a heating component installation opening (13) is provided on the baking oven (1), the heating component (12) and the heating component installation opening (13) are sealed and connected, and the heating component (12) is connected to the power supply system through the heating component installation opening (13).

9. The vacuum oven for crystal oscillator assembly according to claim 8, characterized in that: The temperature detection device (11) is connected to the temperature detection device mounting port (14) via a copper cover (26) and a first sealing mounting plate (27); and / or the heating component (12) and the heating component mounting port (13) are connected via a second sealing mounting plate (28) and a heating component protective cover (29).

10. A vacuum oven for a crystal oscillator assembly according to any one of claims 1 to 9, characterized in that: The tray bases (9) include more than two, and the more than two tray bases (9) are arranged in the baking oven (1) in an upper and lower distribution manner.

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