CN109622328B - Drying oven for drying coating - Google Patents
Drying oven for drying coating Download PDFInfo
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- CN109622328B CN109622328B CN201811556221.1A CN201811556221A CN109622328B CN 109622328 B CN109622328 B CN 109622328B CN 201811556221 A CN201811556221 A CN 201811556221A CN 109622328 B CN109622328 B CN 109622328B
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- valve
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- drying
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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
- B05D3/04—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 exposure to gases
- B05D3/0406—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 exposure to gases the gas being air
- B05D3/0413—Heating with air
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Abstract
The invention relates to paint production equipment, and particularly discloses a drying box for drying paint, which comprises a heating box and a conveying device for conveying the paint into the heating box, wherein a containing box is detachably connected to a conveying belt, and a rack is fixedly arranged on the outer surface of the bottom of the containing box; a fixed heating source and a storage part are arranged in the heating box, and a plurality of metal heat storage balls are arranged in the storage part; the bottom of the storage cavity is provided with a valve; a valve shaft is rotatably arranged on the heating box, and a valve gear meshed with the rack is coaxially and fixedly connected to the valve shaft; a first transmission gear is fixedly arranged on the valve shaft, and a second transmission gear is arranged above the first transmission gear; a valve plate rack which is meshed with the second transmission gear is fixedly arranged on the valve plate, and a return spring is fixedly arranged between the valve plate and the storage cavity. This scheme of adoption can solve the moisture that the coating heating inequality leads to when volatilizing that beneficial substance volatilizees too much problem.
Description
Technical Field
The invention relates to coating production equipment, and particularly discloses a drying oven for drying a coating.
Background
With the improvement of the society on environmental awareness, the environmental protection material is greatly popularized and applied. The water-based paint is one of the water-based paints, is a paint which takes water as a diluent and does not contain organic solvent, can be used on various materials such as woodware, metal, plastic, glass, building surfaces and the like, and gradually replaces oil paint; particularly on furniture products, the adoption of water-based paint is gradually increased. The humidity of the coating is usually adjusted by adopting a drying mode in the production process of the coating, but the existing drying mode has the following problems: 1) the problem of whether to stir during drying: during drying, the coating is generally stirred by a stirring mechanism, so that the condition of uneven humidity of the coating caused by the condition that the water inside the coating is slower than that of the surface layer is avoided; however, as a lot of beneficial substances are added into the coating, the situation that a lot of beneficial substances in the coating absorb heat rapidly and volatilize together with water under the condition of rapid stirring is easily caused, so that the beneficial substances in the coating are reduced, and the function of the coating is influenced; 2) the problem of whether to seal during drying: the coating is automatically conveyed into the heating box or conveyed out of the heating box by the conveyor belt during drying, so that the defect that the coating is placed into the heating box by manpower is reduced, but at least two surfaces of the heating box are in an open state in the manner, so that heat loss in the heating box is large, firstly, energy is wasted, secondly, the temperature in the whole room is raised, and the processing environment is not friendly; if choose for use the closed environment when drying, the temperature in more being convenient for measure and in time debugging heating cabinet, but the inhomogeneous condition of coating heating that leads to of heat distribution appears easily in the air current in the closed environment, and every stoving batch need be opened and take out coating and put into new coating again, and the operation is more troublesome during, also need debug the temperature again after opening at every turn.
Disclosure of Invention
The invention aims to provide a drying oven for drying a coating, which can uniformly heat the coating.
In order to achieve the above purpose, the basic scheme of the invention is as follows: the drying box for drying the coating comprises a heating box and a conveying device for conveying the coating into the heating box, wherein the conveying device comprises a conveying belt and a conveying roller for driving the conveying belt, the conveying belt is detachably connected with an accommodating box, and a rack is fixedly arranged on the outer surface of the bottom of the accommodating box;
the heating box is internally provided with a fixed heating source and a storage part, the storage part is fixedly arranged at the top of the heating box and comprises a storage cavity, and a plurality of metal heat storage balls are arranged in the storage cavity; the bottom of the storage cavity is provided with a valve for automatically releasing the metal heat storage ball, and the valve is connected with a valve plate in a sliding way;
a valve shaft for driving the valve is rotatably arranged on the heating box, and a valve gear meshed with the rack is coaxially and fixedly connected to the valve shaft; a first transmission gear is coaxially and fixedly arranged at one end of the valve shaft, and a second transmission gear meshed with the first transmission gear is arranged above the first transmission gear; the valve plate is also connected with the heating box in a sliding mode, a valve plate rack which is used for being meshed with the second transmission gear is fixedly arranged on one side, close to the second transmission gear, of the valve plate, and a return spring which is used for enabling the valve plate to return is fixedly arranged between the valve plate and the storage cavity.
The principle and the advantage of the scheme are as follows: the fixed heating source provides temperature for the heating box, and the metal heat storage ball can store heat energy; after the coating enters the heating box, the temperature in the heating box enables the water in the coating to overflow;
the metal heat storage ball enters the coating to heat the coating, so that the situation that the moisture in the coating is difficult to volatilize due to the fact that the moisture on the surface of the coating is volatilized too fast to form a protective layer with high consistency on the surface of the coating can be avoided;
when the metal heat storage ball falls into the coating, the metal heat storage ball can play a role in stirring the coating, so that a mixing and heat exchange process is generated inside the coating, the heat exchange efficiency is improved, and the situation that beneficial components in the coating are excessively volatilized due to excessive stirring is avoided; in addition, a downward concave hole is formed in the upper surface of the coating at the moment when the metal heat storage ball enters the coating, so that the area of the upper surface of the coating is increased, and moisture in the coating can overflow from the coating more quickly after the metal heat storage ball enters the coating to heat the coating;
when this scheme holds the case and removes under the storage part, the metal heat-retaining ball falls into automatically and holds the incasement, needn't control mechanism artificially to set up other controls so the simple structure of this scheme, and the time matching degree is good, the metal heat-retaining ball can not appear and drop untimely or drop in advance and can not get into the condition that holds the case.
Furthermore, a second transmission shaft is coaxially and fixedly connected with the second transmission gear, the second transmission shaft is rotatably connected with the heating box, and one end, located in the heating box, of the second transmission shaft is coaxially and fixedly provided with fan blades.
This scheme has utilized the rotation of second drive gear at the operation in-process, drives the flabellum at the heating cabinet internal rotation to form certain air current in the heating cabinet, drive the gas molecule fast flow in the heating cabinet, accelerate heat transfer efficiency, make the air temperature distribution in the heating cabinet more even.
Furthermore, hedgehog-shaped spikes are arranged on the outer surface of the metal heat storage ball.
The surface area of the metal heat storage ball can be increased by designing the shape with the sharp spines on the outer surface, so that the metal heat storage ball is more uniformly contacted with the coating, the contact area of the metal heat storage ball and the coating is larger, and the heat transfer is faster.
Furthermore, a material collecting device is arranged on one side of the discharging of the conveying device, the material collecting device comprises a rack, a filtering part and a discharging hole, the filtering part is vertically and slidably connected with the rack, and a return spring is arranged between the filtering part and the rack; the bottom of the filtering part is communicated with a discharge hole through a drainage tube.
The filtering part can separate the metal heat storage ball from the coating, and the return spring is arranged to play a role in buffering the filtering part, so that the abrasion of the metal heat storage ball to the filtering part when falling into the filtering part is reduced; and the drainage tube can avoid the condition that the coating can not accurately flow into the coating container in the shaking process of the filtering part.
Furthermore, the filter also comprises a power mechanism for driving the filter part.
The power mechanism is arranged to drive the filtering part to move, so that the metal heat storage ball can be overturned and shaken in the filtering part, the sharp pricks on the metal heat storage ball can generate a cleaning and anti-blocking effect on the filtering holes in the filtering part, the condition of avoiding the blocking of the filtering holes is realized, and the speed of coating leaking into the drainage tube is accelerated.
Furthermore, the power mechanism comprises a cam for intermittently beating the filtering part, and the cam is driven by a conveying roller positioned at the discharge end of the conveying device.
This scheme simple structure, and directly utilize transfer roller pivoted power to drive the cam and carry out one to hit the filter house and hit, the energy saving.
Drawings
FIG. 1 is a front view of an embodiment of a drying oven for drying a coating material according to the present invention;
FIG. 2 is a front cross-sectional view of a heating cabinet in an embodiment of the invention, mainly showing the structure inside the heating cabinet;
FIG. 3 is a cross-sectional view taken along D-D of FIG. 2;
FIG. 4 is a bottom view of the containment box of FIG. 2;
fig. 5 is a cross-sectional view of a collection device of the present invention.
Detailed Description
The following is further detailed by way of specific embodiments:
reference numerals in the drawings of the specification include: the device comprises a heating box 1, a conveyor belt 2, a conveyor roller 3, an accommodating box 4, a rack 5, a fixed heating source 6, a storage cavity 7, a metal heat storage ball 8, a valve 9, a valve plate 10, a valve shaft 11, a valve gear 12, a first transmission gear 13, a second transmission gear 14, a return spring 15, a return spring 16, a second transmission shaft 17, fan blades 18, a cam 19, a filtering part 20, a discharge hole 21 and a rack 22.
The embodiment is basically as shown in the attached figure 1: drying cabinet for coating drying, including heating cabinet 1 and be used for sending into the conveyer of heating cabinet 1 with coating, conveyer includes conveyer belt 2 and the transfer roller 3 that is used for driving conveyer belt 2, and transfer roller 3 links to each other with the output shaft of motor, and heating cabinet 1 is passed at the middle part of conveyer belt 2. Can dismantle on the conveyer belt 2 and be connected with and hold case 4, the mode that this embodiment adopted the joint makes and holds case 4 and conveyer belt 2 relatively fixed, and chooses for use the position and the conveyer belt 2 fixed connection that hold case 4 middle part, as shown in fig. 4, the lower fixed surface who holds case 4 bottom is connected with rack 5.
As shown in fig. 2 and 3, a fixed heating source 6 and a storage part are disposed in the heating box 1, in this embodiment, the fixed heating source 6 is an electric heating tube for converting electric energy into heat energy, and the electric heating tube is fixedly mounted on the top of the heating box 1. The storage part is fixedly arranged at the top of the heating box 1 and comprises a storage cavity 7, and a plurality of metal heat storage balls 8 are arranged in the storage cavity 7; the bottom of the storage cavity 7 is communicated with a valve 9 for automatically releasing the metal heat storage ball 8, and the valve 9 is connected with a valve plate 10 in a sliding way. In this embodiment, hedgehog shaped spikes are formed on the outer surface of the metal heat storage ball 8.
As shown in fig. 3, a valve shaft 11 for driving the valve 9 is rotatably connected to the bottom of the heating box 1, and a valve gear 12 for meshing with the rack 5 is coaxially and fixedly connected to the valve shaft 11; the coaxial fixedly connected with first transmission gear 13 of left end of valve shaft 11, the top of first transmission gear 13 is equipped with and is used for the second transmission gear 14 with first transmission gear 13 meshing, specifically sets up as follows: a second transmission shaft 17 is coaxially and fixedly connected to the second transmission gear 14, the second transmission shaft 17 is rotatably connected with the heating box 1, the left side of the valve plate 10 is slidably connected with the heating box 1, and the sliding direction is the same as the movement direction of the accommodating box 4; a valve plate rack meshed with the second transmission gear 14 is fixedly connected to the lower surface of the left end of the valve plate 10, and a return spring 16 used for returning the valve plate 10 is fixedly connected between the valve plate 10 and the storage chamber 7. In this embodiment, the right end of the second transmission shaft 17 is coaxially and fixedly connected with a fan blade 18.
As shown in fig. 5, a material collecting device is arranged on one side (the right side in fig. 1) of the discharging of the conveying device, the material collecting device comprises a frame 22, a filtering part 20 and a discharging port 21, the filtering part 20 is vertically and slidably connected with the frame 22, and a return spring 15 is arranged between the filtering part 20 and the frame 22; the bottom of the filtering part 20 is communicated with a discharge hole 21 through a drainage tube. The device also comprises a power mechanism for driving the filtering part 20, wherein the power mechanism comprises a cam 19 for intermittently beating the filtering part 20, and the cam 19 is driven by the conveying roller 3 positioned at the discharging end of the conveying device.
The specific implementation process is as follows: the drive motor starts the rotation of the transfer roller 3, and when the containing box 4 is positioned on the left side of the transfer device (with reference to fig. 1), paint is added to the containing box 4, and then the containing box 4 brings the paint into the heating box 1 as the transfer belt 2 moves. The high temperature environment volatilizes the excess water in the coating, thereby realizing the aim of drying the coating.
As shown in fig. 2 and 3, when the accommodating box 4 moves above the valve gear 12, the rack 5 at the bottom of the accommodating box 4 is meshed with the valve gear 12 to drive the valve gear 12 and the valve shaft 11 to rotate together, and further drive the first transmission gear 13 to rotate; as shown in fig. 3, the first transmission gear 13 drives the second transmission gear 14 to rotate, so as to drive the valve plate 10 to slide rightwards, thereby achieving the purpose that the metal heat storage ball 8 automatically falls into the accommodating box 4 when the accommodating box 4 moves to the lower part of the storage chamber 7. The metal heat storage ball 8 has the following functions: 1) when the metal heat storage ball 8 enters the coating, the part of the film with higher consistency can be broken, so that the moisture in the coating can be volatilized; 2) when the metal heat storage ball 8 falls into the coating, the coating can be stirred, so that a mixing and heat exchange process is generated inside the coating, the heat exchange efficiency is improved, and the condition that beneficial components in the coating are excessively volatilized due to excessive stirring is avoided; 3) the metal heat storage ball 8 enters the coating to heat the coating, so that the condition that the volatilization speed of water inside the coating is much slower than that of water on the surface of the coating due to the fact that the inside of the coating is heated slowly can be avoided, the volatilization speeds of all parts of the coating are the same, and the quality of the coating is guaranteed. Simultaneously, this scheme still utilizes the rotation of second transmission shaft 17, drives flabellum 18 and rotates to form the air current in heating cabinet 1 for the air flow speed in heating cabinet 1 promotes the heat exchange rate, makes the heat distribution in the heating cabinet 1 more even. Secondly, because the metal heat storage ball 8 fully absorbs and stores heat in the storage cavity 7, the temperature of the metal heat storage ball is relatively high, if the metal heat storage ball 8 directly enters the coating, the situation that moisture in the coating directly contacting with the metal heat storage ball 8 is rapidly evaporated, so that the coating forms a layer of covering film on the surface of the metal heat storage ball 8 is easy to occur; the fan blades 18 are positioned right below the storage cavity 7, so that the metal heat storage ball 8 can pass through the fan blades 18 for blowing when falling, the purpose of cooling the surface of the metal heat storage ball 8 is achieved, and the situation that the metal heat storage ball 8 with high surface temperature directly enters the coating is avoided; therefore, after the metal heat storage ball 8 enters the coating, the heat inside the metal heat storage ball 8 is slowly transferred out to heat and dry the coating.
When the containing box 4 moves to the right side of the conveyor (based on fig. 1), the containing box 4 is inclined to the right to pour the dried paint into the filtering part 20, thereby realizing the separation of the metal heat storage ball 8 and the paint. Meanwhile, the rotation of the conveying roller 3 can also drive the cam 19 to rotate, so that the filter part 20 is intermittently struck, and the filter part 20 is vertically shaken, so that the metal heat storage ball 8 in the filter part 20 is overturned and shaken in the filter part 20, and the sharp pricks on the metal heat storage ball 8 have a cleaning and anti-blocking effect on the filter holes in the filter part 20, thereby realizing the condition of avoiding the blockage of the filter holes and quickening the speed of the coating leaking into the drainage tube.
Claims (5)
1. Drying cabinet for coating drying includes the heating cabinet and is used for sending into the conveyer of heating cabinet with coating, conveyer includes the conveyer belt and is used for driving the transfer roller of conveyer belt, its characterized in that: the conveying belt is detachably connected with an accommodating box, and a rack is fixedly arranged on the outer surface of the bottom of the accommodating box;
the heating box is internally provided with a fixed heating source and a storage part, the storage part is fixedly arranged at the top of the heating box and comprises a storage cavity, and a plurality of metal heat storage balls are arranged in the storage cavity; the bottom of the storage cavity is provided with a valve for automatically releasing the metal heat storage ball, and the valve is connected with a valve plate in a sliding way;
a valve shaft for driving the valve is rotatably arranged on the heating box, and a valve gear meshed with the rack is coaxially and fixedly connected to the valve shaft; a first transmission gear is coaxially and fixedly arranged at one end of the valve shaft, and a second transmission gear meshed with the first transmission gear is arranged above the first transmission gear; the valve plate is also connected with the heating box in a sliding manner, a valve plate rack which is meshed with the second transmission gear is fixedly arranged on one side of the valve plate close to the second transmission gear, and a return spring which is used for returning the valve plate is fixedly arranged between the valve plate and the storage cavity; the outer surface of the metal heat storage ball is provided with hedgehog-shaped spikes.
2. The drying oven for drying paint according to claim 1, characterized in that: the second transmission gear is coaxially and fixedly connected with a second transmission shaft, the second transmission shaft is rotatably connected with the heating box, and one end, located in the heating box, of the second transmission shaft is coaxially and fixedly provided with fan blades.
3. The drying oven for drying paint according to claim 1, characterized in that: a material collecting device is arranged on one side of the discharging of the conveying device, the material collecting device comprises a rack, a filtering part and a discharging hole, the filtering part is vertically and slidably connected with the rack, and a return spring is arranged between the filtering part and the rack; the bottom of the filtering part is communicated with a discharge hole through a drainage tube.
4. The drying oven for drying paint according to claim 3, characterized in that: and the filter also comprises a power mechanism for driving the filter part.
5. The drying oven for drying paint according to claim 4, characterized in that: the power mechanism comprises a cam for intermittently beating the filtering part, and the cam is driven by a conveying roller positioned at the discharge end of the conveying device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811556221.1A CN109622328B (en) | 2018-12-19 | 2018-12-19 | Drying oven for drying coating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811556221.1A CN109622328B (en) | 2018-12-19 | 2018-12-19 | Drying oven for drying coating |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109622328A CN109622328A (en) | 2019-04-16 |
| CN109622328B true CN109622328B (en) | 2021-07-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811556221.1A Active CN109622328B (en) | 2018-12-19 | 2018-12-19 | Drying oven for drying coating |
Country Status (1)
| Country | Link |
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| CN (1) | CN109622328B (en) |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203310220U (en) * | 2013-06-19 | 2013-11-27 | 陈斯墩 | Particle drying machine |
| CN207035763U (en) * | 2017-06-07 | 2018-02-23 | 扬州亚菲涂料有限公司 | A kind of powdery paints drying unit |
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2018
- 2018-12-19 CN CN201811556221.1A patent/CN109622328B/en active Active
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| Publication number | Publication date |
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| CN109622328A (en) | 2019-04-16 |
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