CN211084621U

CN211084621U - Horizontal oven for ceramic vacuum tube metalized product

Info

Publication number: CN211084621U
Application number: CN201921702851.5U
Authority: CN
Inventors: 陈脉; 陈舒庆
Original assignee: Hubei Xinshiqi Electric Ceramic Technology Co ltd
Current assignee: Hubei Xinshiqi Electric Ceramic Technology Co ltd
Priority date: 2019-10-11
Filing date: 2019-10-11
Publication date: 2020-07-24
Anticipated expiration: 2029-10-11

Abstract

The utility model relates to a ceramic vacuum tube metallization field discloses a horizontal oven for ceramic vacuum tube metallization product, including frame, fan room, heating chamber, drying chamber and control panel, the air inlet line that fan room and heating chamber set up on through the baffle is linked together, be equipped with axial fan in the fan room, be equipped with heating device in the heating chamber, the drying chamber is located directly over the heating chamber and is linked together through first stomach wall tuber pipe and second stomach wall tuber pipe, and the air outlet of first stomach wall tuber pipe and second stomach wall tuber pipe sets up to one high one low for the thermal current is formed with the vortex in the drying chamber, makes the temperature field distribution in the drying chamber even like this, has guaranteed the stoving uniformity of product, and through the heat energy circulation recycle that circulates away in the drying chamber, greatly increased heat utilization rate.

Description

Horizontal oven for ceramic vacuum tube metalized product

Technical Field

The utility model relates to a ceramic vacuum tube metallization field, concretely relates to horizontal oven for ceramic vacuum tube metallization product.

Background

At present, after secondary metallization of a metalized product of a ceramic vacuum tube is finished and high-temperature cleaning is carried out, a secondary metalized surface of ceramic needs to be dried quickly, otherwise water stain marks are left on the secondary metalized surface of ceramic, and sealing and appearance quality are affected.

The existing drying modes of metallized products of ceramic vacuum tubes are tunnel drying, vertical drying and manual air gun drying, and have the following defects:

1. the tunnel type drying equipment has high energy consumption, and the tunnel type drying equipment has poor flexibility and high manufacturing cost;

2. the manual air gun has small drying output, high labor intensity and low heat energy utilization rate;

3. in order to increase the yield of the vertical drying, the vertical drying oven is mostly designed into a multilayer structure, and the vertical drying oven is generally provided with a side door, so that a worker is very inconvenient to place a product into the drying oven, dead corners of each layer are not well placed, and the product is easy to damage; and because the hot air flow of the vertical oven is usually from bottom to top, the multilayer structure can cause the temperature field distribution in the oven to be uneven, so that the drying effect of each layer is different, and the consistency of the product is influenced.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model lies in: to the problem that above-mentioned ceramic vacuum tube metallization product exists when drying, in order to improve productivity and product uniformity, increase heat utilization rate, the utility model provides a horizontal oven for ceramic vacuum tube metallization product.

In order to solve the technical problems, the technical scheme provided by the invention is as follows:

the horizontal oven for the ceramic vacuum tube metalized product comprises a rack, a fan chamber, a heating chamber, a drying chamber and a control panel, wherein the fan chamber and the heating chamber are respectively positioned at the bottom of the rack and are separated by a partition plate, an air inlet pipeline is arranged on the partition plate, an axial flow fan is arranged in the fan chamber, and an air outlet end of the axial flow fan is assembled on the air inlet pipeline;

a heating device is arranged in the heating chamber, the drying chamber is positioned right above the heating chamber, a first abdominal wall air pipe is arranged along the front sides of the heating chamber and the drying chamber, a first air inlet is arranged between the first abdominal wall air pipe and the heating chamber, and a first air outlet is arranged between the first abdominal wall air pipe and the drying chamber;

a second abdominal wall air pipe is arranged along the rear sides of the heating chamber and the drying chamber, a second air inlet is formed between the second abdominal wall air pipe and the heating chamber, and a second air outlet is formed between the second abdominal wall air pipe and the drying chamber;

the axial flow fan and the heating device are respectively electrically connected with the control panel.

Furthermore, the first abdominal wall air pipe, the second abdominal wall air pipe and the heating chamber are communicated with each other through arranged strip-shaped air inlets respectively, two ends of each strip-shaped air inlet do not exceed the heating chamber, a strip-shaped first air outlet is formed in the first abdominal wall air pipe and close to the bottom of the drying chamber, and a strip-shaped second air outlet is formed in the second abdominal wall air pipe and close to the top of the drying chamber.

Furthermore, the heating device comprises a group of electric furnace wires and an electric furnace wire seat, the electric furnace wires are inserted in the electric furnace wire seat, and the height of the electric furnace wires is higher than that of the air inlet pipeline.

Furthermore, the drying chamber comprises a heat preservation cover, a 7-shaped sliding door and a bottom plate, the 7-shaped sliding door is movably assembled at the opening end of the heat preservation cover, the heat preservation cover and the 7-shaped sliding door form a shell of the drying chamber, a first sliding groove corresponding to the horizontal edge of the 7-shaped sliding door is formed in the back plate of the heat preservation cover, a third air outlet is formed in the right side of the heat preservation cover and communicated with the fan chamber through a pipeline, a second sliding groove corresponding to the vertical edge of the 7-shaped sliding door is formed in the top surface of the first abdominal wall air pipe, and a plurality of air holes are formed in the bottom plate.

Furthermore, the front of the 7-shaped sliding door is provided with a handle, and the middle of the 7-shaped sliding door is provided with a perspective glass.

Furthermore, a sealing strip is arranged on the left side of the 7-shaped sliding door.

Furthermore, heat preservation clapboards are respectively arranged on the inner sides of the heating chamber, the heat preservation cover and the 7-shaped sliding door.

Further, the heating chamber left side is equipped with the access door, follows access door a week is equipped with the sealing strip.

Furthermore, the air inlet end of the axial flow fan is provided with a dustproof filter screen.

Furthermore, a group of universal wheels with a self-locking function is arranged at the bottom of the rack.

Compared with the prior art, the utility model has the advantages of:

1. the horizontal oven has larger single-layer designed space, can ensure the productivity, and the axial flow fan in the fan chamber sends hot air in the heating chamber into the drying chamber through the first abdominal wall air pipe and the second abdominal wall air pipe respectively, thereby achieving good drying effect;

2. the air outlets of the first abdominal wall air pipe and the second abdominal wall air pipe are arranged in a high-low mode, so that hot air flow forms vortex in the drying chamber, the temperature field in the drying chamber is uniformly distributed, and the drying consistency of products is guaranteed;

3. the back is opened to "7" style of calligraphy sliding door that sets up for the feed inlet is that the product is operable space when placing great, and the product is difficult for colliding with, and is very convenient, and the hot-air output that goes out circulation in with the drying chamber through the pipeline simultaneously exports as axial fan's air inlet, has realized the heat energy cycle recycle that goes out circulation in with the drying chamber, greatly increased heat utilization rate.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a front view of the embodiment of the present invention,

figure 2 is a schematic structural view of the back side of the embodiment of the present invention,

fig. 3 is a perspective view of the fan compartment 2 and the heating compartment 3 with the surrounding walls removed, with emphasis on the internal structure of the fan compartment 2 and the heating compartment 3,

figure 4 is a front view of figure 1,

figure 5 is a cross-sectional view a-a of figure 4,

figure 6 is an enlarged view of a portion of i in figure 5,

figure 7 is an enlarged view of a portion of ii of figure 5,

figure 8 is an enlarged view of a portion of iii of figure 5,

figure 9 is a schematic structural view of the "7" shaped sliding door 42,

the reference numbers are as follows:

the oven comprises a rack 1, a fan chamber 2, an axial flow fan 21, a heating chamber 3, an electric furnace wire 31, an electric furnace wire seat 32, a first air inlet 33-1, a second air inlet 33-2, an access door 34, a drying chamber 4, a heat preservation cover 41, a first chute 411, a third air outlet 412, a 7-shaped sliding door 42, a handle 421, a perspective glass 422, a bottom plate 43, an air hole 431, a control panel 5, a partition plate 6, an air inlet pipeline 61, a first abdominal wall air pipe 7, a first air outlet 71, a second chute 72, a second abdominal wall air pipe 8, a second air outlet 81 and an exhaust pipeline 9.

Detailed Description

In order to make the technical solution of the present invention better understood, the present invention is described in detail below with reference to the accompanying drawings, and the description of the present invention is only exemplary and explanatory, and should not be construed as limiting the scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

It should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like refer to the orientation or positional relationship shown in the drawings, or the orientation or positional relationship that the utility model is usually placed when in use, and are used for convenience of description and simplification of description, but do not refer to or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

Furthermore, the terms "horizontal", "vertical", "overhang" and the like do not imply that the components are required to be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1 to 9, the present invention provides a technical solution:

a horizontal oven for ceramic vacuum tube metallization product, including frame 1, fan room 2, heating chamber 3, drying chamber 4 and control panel 5, fan room 2 and heating chamber 3 are located 1 bottom left and right sides respectively and separate through baffle 6, heating chamber 3 is an airtight space, baffle 6 is equipped with intake stack 61 by the lower position, be equipped with axial fan 21 in the fan room 2, intake stack 61 tip is equipped with flange, axial fan 21's air outlet end assembles on the flange of intake stack 61 tip, for the quality of guaranteeing axial fan 21 air inlet, is provided with dustproof filter screen at axial fan 21 air inlet end.

A heating device is arranged in the heating chamber 3, the drying chamber 4 is positioned right above the fan chamber 2 and the heating chamber 3, a first abdominal wall air duct 7 is arranged along the front sides of the heating chamber 3 and the drying chamber 4, the first abdominal wall air duct 7 is communicated with the heating chamber 3 through a first air inlet 33-1, and the first abdominal wall air duct 7 is communicated with the drying chamber 4 through a first air outlet 71;

a second abdominal wall air pipe 8 is arranged along the rear sides of the heating chamber 3 and the drying chamber 4, the second abdominal wall air pipe 8 is communicated with the heating chamber 3 through a second air inlet 33-2, the second abdominal wall air pipe 8 is communicated with the drying chamber 4 through a second air outlet 81, the first air inlet 33-1, the second air inlet 33-2, the first air outlet 71 and the second air outlet 81 are all in a strip shape, the lengths of the first air inlet 33-1 and the second air inlet 33-2 are slightly smaller than the length of the heating chamber 3, and the lengths of the first air outlet 71 and the second air outlet 81 are slightly smaller than the length of the drying chamber 4, so that hot air entering the drying chamber 4 can cover the whole drying chamber 4.

The first air outlet 71 is located at the bottom of the drying chamber 4, the second air outlet 81 is located at the top of the drying chamber 4, the first air outlet 71 and the second air outlet 81 are set to be one low and one high, and when hot airflow enters the drying chamber 4 through the first abdominal wall air pipe 7 and the second abdominal wall air pipe 8, vortex flow is formed, so that the temperature field in the drying chamber 4 is uniformly distributed, and the drying consistency of products is ensured.

The heating device comprises a group of electric furnace wires 31 and an electric furnace wire seat 32, the electric furnace wires 31 are inserted into the electric furnace wire seat 32, the electric furnace wires 31 heat the air in the heating chamber 3 to the required temperature, and the heat flow is sent into the drying chamber communicated with the heating chamber 3 through the air supply of the axial flow fan 21 to dry the product.

In order to achieve a better air supply effect, the height of the electric stove wire 31 is set to be higher than the air inlet pipeline 61, air supply delay caused by hot air flow convolution is avoided, and in order to further increase the safety coefficient of the equipment, the electric stove wire 31 can be replaced by a heating lamp tube according to requirements.

The drying chamber 4 comprises a heat-insulating cover 41, a horizontally arranged 7-shaped sliding door 42 and a bottom plate 43, the 7-shaped sliding door 42 is movably assembled at the opening end of the heat-insulating cover 41, the heat-insulating cover 41 and the 7-shaped sliding door 42 form a shell of the drying chamber 4, a first sliding groove 411 corresponding to the horizontal edge of the 7-shaped sliding door 42 is arranged on the back plate of the heat-insulating cover 41, a third air outlet 412 is arranged on the right side of the heat-insulating cover 41, the third air outlet 412 is communicated with the fan chamber 2 through an exhaust pipeline 9, a second sliding groove 72 corresponding to the vertical edge of the 7-shaped sliding door 42 is arranged on the top surface of the first abdominal wall air duct 7, in order to ensure the drying effect of the bottom of a product, a plurality of fine air holes 431 are arranged on the bottom plate 43, the opening and closing of the drying chamber 4 are realized through the movably assembled 7-shaped sliding door 42, and when the 7-shaped sliding door 42 is opened, the opening space is used as a feeding hole, and when the product is placed, the operation space is large, the product is not easy to collide, and the operation is very convenient.

In order to facilitate manual opening and closing of the 7-shaped sliding door 42, a handle 421 is arranged on the front surface of the 7-shaped sliding door 42; meanwhile, in order to facilitate workers to observe products in the drying chamber 4 in real time, the middle part of the 7-shaped sliding door 42 is provided with a perspective glass 422; when the 7-shaped sliding door is closed, a sealing strip is arranged along the left side edge of the 7-shaped sliding door 42 in order to ensure the sealing performance of the drying chamber 4.

In order to increase the heat energy utilization rate, the heating chamber 3 and the drying chamber 4 need to be subjected to heat preservation treatment, heat preservation partition plates are respectively arranged on the inner sides of the heating chamber 3, the heat preservation cover 41 and the 7-shaped sliding door 42, meanwhile, the third air outlet 412 communicated with the fan chamber 2 recycles hot air in the drying chamber 4 through the exhaust pipeline 9, hot air flowing out of the third air outlet 412 is used as inlet air of the axial flow fan 21, the heat energy recycling is realized, and the heat energy utilization rate is improved.

The control switches of the axial flow fan 21 and the electric stove wire 31 are respectively integrated on the control panel 5, and the control of the axial flow fan 21 and the electric stove wire 31 is realized by operating the control panel 5.

In order to facilitate the maintenance of the heating chamber 3, an access door 34 is provided on the left side of the heating chamber 3, and in order to ensure the sealing performance of the heating chamber 3, a sealing strip is provided along the periphery of the access door 34.

In order to meet the requirement of actual production, the oven needs to be designed to be movable, and a group of universal wheels with a locking function are arranged at the bottom of the rack 1, so that the oven is convenient to move and fix.

The working principle is as follows: in the process of metallizing the ceramic vacuum tube, when entering a drying process, the 7-shaped sliding door 42 is opened to the maximum, products to be dried are sequentially placed into the drying chamber 4, the 7-shaped sliding door 42 is closed, the electric furnace wire 31 is started through the control panel 5, when the temperature in the heating chamber 3 reaches a preset value, the axial flow fan 21 is started to supply air into the heating chamber 3, hot air in the heating chamber 3 respectively enters the first abdominal wall air pipe 7 and the second abdominal wall air pipe 8 through the first air inlet 33-1 and the second air inlet 33-2, and then enters the drying chamber 4 through the first air outlet 71 which is lower in the drying chamber 4 and the second air outlet 81 which is higher in the drying chamber 4 to form hot air vortex, so that the temperature field in the drying chamber 4 is uniformly distributed, and the hot air entering the drying chamber 4 is discharged through the third air outlet 412 after reaching a saturation value, the exhausted hot air flow circulates to the fan chamber 2 through the exhaust pipeline 9 and is recycled under the action of the axial flow fan 21, so that the heat energy utilization rate is greatly increased.

The foregoing is a more detailed description of the present invention, taken in conjunction with the specific preferred embodiments thereof, and it is not intended that the invention be limited to the specific embodiments shown and described. To the utility model belongs to the technical field of ordinary technical personnel, do not deviate from the utility model discloses under the prerequisite of design, can also make a plurality of simple deductions or replacement, all should regard as belonging to the utility model discloses a protection scope.

Claims

1. A horizontal oven for ceramic vacuum tube metallization product, its characterized in that: comprises a frame (1), a fan chamber (2), a heating chamber (3), a drying chamber (4) and a control panel (5);

the air blower chamber (2) and the heating chamber (3) are respectively positioned at the bottom of the rack (1) and are separated by a partition plate (6), an air inlet pipeline (61) is arranged on the partition plate (6), an axial flow air blower (21) is arranged in the air blower chamber (2), an air outlet end of the axial flow air blower (21) is assembled on the air inlet pipeline (61), a heating device is arranged in the heating chamber (3), and the drying chamber (4) is positioned right above the heating chamber (3);

a first abdominal wall air pipe (7) is arranged along the front sides of the heating chamber (3) and the drying chamber (4), a first air inlet (33-1) is formed between the first abdominal wall air pipe (7) and the heating chamber (3), and a first air outlet (71) is formed between the first abdominal wall air pipe (7) and the drying chamber (4);

a second abdominal wall air pipe (8) is arranged along the rear sides of the heating chamber (3) and the drying chamber (4), a second air inlet (33-2) is formed between the second abdominal wall air pipe (8) and the heating chamber (3), and a second air outlet (81) is formed between the second abdominal wall air pipe (8) and the drying chamber (4);

the axial flow fan (21) and the heating device are respectively and electrically connected with the control panel (5).

2. The horizontal oven for ceramic vacuum tube metalized products as claimed in claim 1, wherein: the first air inlet (33-1), the second air inlet (33-2), the first air outlet (71) and the second air outlet (81) are all in a strip shape, the first air outlet (71) is located at the bottom of the drying chamber (4), and the second air outlet (81) is located at the top of the drying chamber (4).

3. The horizontal oven for ceramic vacuum tube metalized products as claimed in claim 1, wherein: the heating device comprises a group of electric furnace wires (31) and an electric furnace wire seat (32), the electric furnace wires (31) are inserted into the electric furnace wire seat (32), and the height of the electric furnace wires (31) is higher than that of the air inlet pipe (61).

4. The horizontal oven for ceramic vacuum tube metalized products as claimed in claim 1, wherein: the drying chamber (4) comprises a heat-insulating cover (41), a 7-shaped sliding door (42) and a bottom plate (43), the 7-shaped sliding door (42) is movably assembled at the opening end of the heat-insulating cover (41), the heat-insulating cover (41) and the 7-shaped sliding door (42) form a shell of the drying chamber (4), a first sliding groove (411) corresponding to the horizontal edge of the 7-shaped sliding door (42) is formed in the back plate of the heat-insulating cover (41), a third air outlet (412) is formed in the right side of the heat-insulating cover (41), the third air outlet (412) is communicated with the fan chamber (2) through an exhaust pipeline (9), a second sliding groove (72) corresponding to the vertical edge of the 7-shaped sliding door (42) is formed in the top surface of a first air duct abdominal wall (7), and a plurality of air holes are formed in the bottom plate (43).

5. The horizontal oven for ceramic vacuum tube metalized products as claimed in claim 4, wherein: the front surface of the 7-shaped sliding door (42) is provided with a handle (421), and the middle part of the 7-shaped sliding door (42) is provided with a perspective glass (422).

6. The horizontal oven for ceramic vacuum tube metalized products as claimed in claim 4, wherein: and a sealing strip is arranged on the left side of the 7-shaped sliding door (42).

7. The horizontal oven for ceramic vacuum tube metalized products as claimed in claim 4, wherein: and heat-insulating partition plates are respectively arranged on the inner sides of the heating chamber (3), the heat-insulating cover (41) and the 7-shaped sliding door (42).

8. The horizontal oven for ceramic vacuum tube metalized products as claimed in claim 1, wherein: and an access door (34) is arranged on the left side of the heating chamber (3), and a sealing strip is arranged on the periphery of the access door (34).

9. The horizontal oven for ceramic vacuum tube metalized products as claimed in claim 1, wherein: and a dustproof filter screen is arranged at the air inlet end of the axial flow fan (21).

10. The horizontal oven for ceramic vacuum tube metalized products as claimed in claim 1, wherein: the bottom of the frame (1) is provided with a group of universal wheels with a self-locking function.