CN208205805U - A kind of Muffle furnace - Google Patents
A kind of Muffle furnace Download PDFInfo
- Publication number
- CN208205805U CN208205805U CN201820530536.8U CN201820530536U CN208205805U CN 208205805 U CN208205805 U CN 208205805U CN 201820530536 U CN201820530536 U CN 201820530536U CN 208205805 U CN208205805 U CN 208205805U
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- CN
- China
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- burner hearth
- furnace body
- furnace
- gravity sensor
- muffle furnace
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Abstract
The utility model proposes a kind of Muffle furnaces, it is related to heating instrument technical field, it not can determine that whether sample roasts completely in Muffle furnace when solving the work of common Muffle furnace, the problem of causing testing result deviation occur and influence the plastic parts final product quality produced, its key points of the technical solution are that, it include: furnace body, the furnace body includes furnace shell, burner hearth and the heat-insulated filled layer being arranged between furnace shell and burner hearth；Set on the fire door of burner hearth described in the movable sealing of the furnace body front；Gravity sensor on the bottom of furnace body plate；It is mounted on above the gravity sensor and passes through the support rod that a through-hole is put in the burner hearth, the support rod is fixedly arranged above in the burner hearth, the bracket for carrying specimen holder；And be electrically connected set on the lateral wall of the furnace body, with the gravity sensor, the first display for showing pressure sensitive signal that the gravity sensor senses, achieve the purpose that the accuracy for improving Muffle furnace testing result.
Description
Technical field
The utility model relates to heating instrument technical field, in particular to a kind of Muffle furnace.
Background technique
Glass fibre is typically used as reinforcing material, electrically insulating material and heat-insulating material in composite material, answers extensively
During the development & production of the plastic parts such as LED display, LED illumination, electronics, toy, in order to guarantee plastic parts finished product
The performances such as tensile strength, bending strength, rigidity and internal stress are met the requirements, and are needed to glass fiber reinforcement plate in supplied materials
Glass fiber content is detected.
Currently, Muffle furnace is the common heating equipment for detecting glass fiber content in glass fiber reinforcement plate, specifically take small
Sample after block weighing is put into crucible, and is sent in Muffle furnace, in 700-800 degree heated baking 3-4h, removes plastic portions,
After baking, the fire door of Muffle furnace is opened after cooling 5-6h, crucible taking-up, which is carried out weighing, can calculate glass fibre increasing
Glass fiber content in strong plate.
But Muffle furnace is at work, can not observe inner case, not can determine that whether sample roasts in Muffle furnace
Completely, if roasting not exclusively, will lead to, finally to calculate glass fiber content in glass fiber reinforcement plate bigger than normal, thus by part
It is qualified samples that the underproof supplied materials sample of script glass fiber content, which is accidentally surveyed, and then influences the final product quality for the plastic parts produced.
Utility model content
The purpose of the utility model is to provide a kind of Muffle furnace, can Muffle stove heating and it is cooling during to sample into
Line Continuity load-bearing, and whether roasted completely according to the variation judgement sample to weigh, it improves in glass fiber reinforcement plate
The accuracy of glass fiber content measurement result, and then ensure that the final product quality of plastic parts.
The above-mentioned technical purpose of the utility model has the technical scheme that one
Kind Muffle furnace, comprising: furnace body, the furnace body include furnace shell, burner hearth and be arranged in heat-insulated between furnace shell and burner hearth
Filled layer；Set on the fire door of burner hearth described in the movable sealing of the furnace body front；Gravity on the bottom of furnace body plate passes
Sensor；It is mounted on the gravity sensor top and passes through the support rod that a through-hole is put in the burner hearth, on the support rod
It is just fixed in the burner hearth, the bracket for carrying specimen holder；And set on the furnace body lateral wall, with it is described
Gravity sensor electrical connection, the first display for showing pressure sensitive signal that the gravity sensor senses.
By using above-mentioned technical proposal, a certain amount of sample to be tested after weighing is put into crucible, then crucible is put
It sets on specimen holder and is sent into burner hearth, close fire door, sample is baked in burner hearth, and the plastic portions in sample gradually steam
Hair, gravity sensor senses and the pressure sensitive signal value shown in the first display gradually decreases, until pressure sensitive is believed
When number value is no longer changed, sample is baked completely, passes through the pressure shown with the first display that weighs of sample to be tested
Inductive signal value variable quantity can measure the glass fiber content in sample to be tested, improve Muffle furnace and measure knot to sample to be tested
The accuracy of fruit, and then ensure that the final product quality of plastic parts.
The further setting of the utility model is provided in the burner hearth several for sensing the burner hearth internal gas pressure
Strong baroceptor, the lateral wall of the furnace body, which is equipped with, to be electrically connected, for showing in the burner hearth with the baroceptor
The second display of gas pressure intensity.
By using above-mentioned technical proposal, during sample to be tested bakes in furnace body, baroceptor is to burner hearth
Interior gas pressure intensity is measured in real time, and when calculating the glass fiber content in sample to be tested, is deducted gas pressure intensity and is tied to calculating
The influence of fruit improves the accuracy of sample to be tested measurement result.
The further setting of the utility model, the burner hearth are provided with opening, and the fire door is corresponding with burner hearth opening
It is equipped at position and puts in the sealant inside the burner hearth when the fire door is closed.
By using above-mentioned technical proposal, when fire door is closed, the sealant of fire door puts in the inside of burner hearth, improves furnace
Leakproofness between thorax and fire door reduces the heat loss in furnace body heating process, power and energy saving.
The further setting of the utility model, the opening of the burner hearth are in inner small and outside big ladder level structure, the sealing
The shape of layer is ladder level structure compatible with the opening shape of the burner hearth.
By using above-mentioned technical proposal, the sealant of ladder level structure is further improved between fire door and burner hearth opening
Leakproofness, reduce scattering and disappearing for heat in burner hearth.
The further setting of the utility model, the burner hearth are that high-temperature carborundum burner hearth or ceramic fibre overall vacuum form
Burner hearth.
By using above-mentioned technical proposal, high-temperature carborundum burner hearth and ceramic fibre overall vacuum molding burner hearth have four sides
The advantages of fever, fever uniformity be good, thermally conductive fast, good heat preservation performance, power and energy saving, while to the heater between burner hearth and furnace body
There is protective effect.
The further setting of the utility model, the heat-insulated filled layer are high density ceramic fiber cotton plate.
By using above-mentioned technical proposal, the heat-proof quality of high density ceramic fiber cotton plate is good, on the one hand convenient in burner hearth
Temperature quickly increase；On the other hand it is avoided that the temperature on furnace body surface is excessively high, improves the energy saving of Muffle furnace, avoid furnace
Body surface temperature is excessively high to the artificial danger at scald.
The further setting of the utility model, bracket top two sides are equipped with the cunning being arranged along the burner hearth opening direction
Slot, the specimen holder are slidedly assemblied on the sliding slot.
By using above-mentioned technical proposal, specimen holder is slidedly assemblied in the structure in the sliding slot of bracket, convenient for using crucible tongs
Specimen holder is taken out, keeps the process for taking out specimen holder more convenient.
In conclusion the utility model has the following beneficial effects: a certain amount of sample to be tested after weighing is put into earthenware
In crucible, then crucible is placed on specimen holder and is sent into burner hearth, closes fire door, sample is baked in burner hearth, in sample
Plastic portions gradually evaporate, gravity sensor senses and the pressure sensitive signal value shown in the first display gradually drops
Low, when pressure sensitive signal value is no longer changed, sample is baked completely, passes through weighing and first for sample to be tested
The pressure sensitive signal value variable quantity that display is shown can measure the glass fiber content in sample to be tested, improve Muffle furnace pair
The accuracy of sample to be tested measurement result, and then ensure that the final product quality of plastic parts.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model embodiment；
Fig. 2 is the cross-sectional view of furnace body in the utility model embodiment.
Appended drawing reference: 1, furnace body；2, furnace shell；3, burner hearth；4, heat-insulated filled layer；5, fire door；6, gravity sensor；7, it supports
Bar；8, bracket；9, specimen holder；10, the first display；11, baroceptor；12, second display；13, sealant；14, sliding
Slot；15, heater.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing.
A kind of Muffle furnace, as depicted in figs. 1 and 2, including furnace body 1, furnace body 1 is including furnace shell 2, burner hearth 3 and is filled in furnace shell 2
Heat-insulated filled layer 4 between burner hearth 3, heat-insulated filled layer 4 is high density ceramic fiber cotton plate, high density ceramic in the present embodiment
The heat-proof quality of fiber cotton plate is good, on the one hand quickly increases convenient for the temperature in burner hearth 3；On the other hand it is avoided that 1 surface of furnace body
Temperature it is excessively high, improve the energy saving of Muffle furnace, it is excessively high to the artificial danger at scald to avoid 1 surface temperature of furnace body.
Burner hearth 3 is provided with opening, and the front of furnace body 1 is rotatably connected to the fire door 5 that salable burner hearth 3 is open by hinge,
Fire door 5 and the opening of burner hearth 3 corresponding position are equipped with sealant 13, and the opening of burner hearth 3 is in inner small and outside big ladder level structure, close
The shape of sealing 13 is ladder level structure compatible with the opening shape of burner hearth 3.When fire door 5 is closed, the sealant of fire door 5
13 put in the inside of burner hearth 3, improve the leakproofness between burner hearth 3 and fire door 5, reduce the heat in 1 heating process of furnace body
It scatters and disappears, good energy saving property.
Burner hearth 3 is preferably that high-temperature carborundum burner hearth (in other embodiments can also be whole for ceramic fibre in the present embodiment
Body vacuum forming burner hearth), there is high-temperature carborundum burner hearth four sides to generate heat, fever uniformity is good, thermally conductive fast, good heat preservation performance, power saving
The advantage of energy conservation, while having protective effect to the heater 15 between burner hearth 3 and furnace body 1.
Gravity sensor 6 is installed, 6 top mechanical erection of gravity sensor has logical across one on the plate of 1 bottom of furnace body
Hole simultaneously puts in the support rod 7 in burner hearth 3, and the top of support rod 7 is fixedly connected with the bracket 8 in burner hearth 3,8 top of bracket
Two sides are equipped with the sliding slot 14 that is arranged along 3 opening direction of burner hearth, and slidable fit has a specimen holder 9 on sliding slot 14, and specimen holder 9 is from bracket 8
Sliding slot 14 in the structure setting that slides in and out, when the operation taken out specimen holder 9 out of burner hearth 3 with crucible tongs it is more convenient.
The lateral wall of furnace body 1 is provided with and is electrically connected the first display 10 with gravity sensor 6, and the first display 10 is for showing
Show the pressure sensitive signal value that gravity sensor 6 senses；It is additionally provided in burner hearth 3 for sensing 3 internal gas pressure of burner hearth
Baroceptor 11, the lateral wall of furnace body 1 is equipped with the second display 12 being electrically connected with baroceptor 11, second display
12 for showing the gas pressure intensity in burner hearth 3.
Working principle: a certain amount of sample to be tested after weighing is put into crucible, then crucible is placed on specimen holder 9
And be sent into burner hearth 3, fire door 5 is closed, sample is baked in burner hearth 3, and the plastic portions in sample gradually evaporate, and gravity passes
Sensor 6 sense and the first display 10 display pressure sensitive signal value gradually decrease, until pressure sensitive signal value not
When changing again, sample is baked completely, while baroceptor 11 is measured in real time the gas pressure intensity in burner hearth 3, is led to
The pressure sensitive signal value variable quantity of sample to be tested to weigh with the display of the first display 10 is crossed, and deducts gas pressure intensity pair
The influence of calculated result, can measure the glass fiber content in sample to be tested, and this mode improves Muffle furnace to sample to be detected
The accuracy of product measurement result, and then ensure that the final product quality of plastic parts.
This specific embodiment is only the explanation to the utility model, is not limitations of the present invention, ability
Field technique personnel can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but
As long as all by the protection of Patent Law in the scope of the claims of the utility model.
Claims (7)
1. a kind of Muffle furnace characterized by comprising
Furnace body (1), the furnace body (1) include that furnace shell (2), burner hearth (3) and setting are heat-insulated between furnace shell (2) and burner hearth (3)
Filled layer (4)；
Set on the fire door (5) of burner hearth (3) described in the movable sealing of the furnace body (1) front；
Gravity sensor (6) in the furnace body (1) base platform；
It is mounted on above the gravity sensor (6) and passes through the support rod (7) that a through-hole is put in the burner hearth (3), it is described
Support rod (7) is fixedly arranged above the interior, bracket (8) for carrying specimen holder (9) positioned at the burner hearth (3)；And
It is electrically connected set on the lateral wall of the furnace body (1), with the gravity sensor (6), for showing the gravity sensor
(6) the first display (10) of the pressure sensitive signal sensed.
2. a kind of Muffle furnace according to claim 1, which is characterized in that be provided in the burner hearth (3) several for feeling
The baroceptor (11) of the burner hearth (3) internal gas pressure is surveyed, the lateral wall of the furnace body (1) is equipped with and the air pressure transmission
Sensor (11) electrical connection, the second display (12) for showing the burner hearth (3) interior gas pressure intensity.
3. a kind of Muffle furnace according to claim 1, which is characterized in that the burner hearth (3) is provided with opening, the fire door
(5) it is equipped with the burner hearth (3) opening corresponding position and puts in the close of the burner hearth (3) inside when the fire door (5) are closed
Sealing (13).
4. a kind of Muffle furnace according to claim 3, which is characterized in that the opening of the burner hearth (3) is in inner small and outside big
Ladder level structure, the shape of the sealant (13) are ladder level structure compatible with the opening shape of the burner hearth (3).
5. a kind of Muffle furnace according to claim 1, which is characterized in that the burner hearth (3) be high-temperature carborundum burner hearth or
Ceramic fibre overall vacuum forms burner hearth.
6. a kind of Muffle furnace according to claim 1, which is characterized in that the heat-insulated filled layer (4) is high density ceramic
Fiber cotton plate.
7. a kind of Muffle furnace according to claim 1, which is characterized in that two sides are equipped with along described above the bracket (8)
The sliding slot (14) of burner hearth (3) opening direction setting, the specimen holder (9) are slidedly assemblied on the sliding slot (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820530536.8U CN208205805U (en) | 2018-04-12 | 2018-04-12 | A kind of Muffle furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820530536.8U CN208205805U (en) | 2018-04-12 | 2018-04-12 | A kind of Muffle furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208205805U true CN208205805U (en) | 2018-12-07 |
Family
ID=64524350
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820530536.8U Expired - Fee Related CN208205805U (en) | 2018-04-12 | 2018-04-12 | A kind of Muffle furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208205805U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110487841A (en) * | 2019-07-26 | 2019-11-22 | 武汉科技大学 | Measure linear expansion coefficient high temperature furnace, measuring device and method using it |
| CN110865000A (en) * | 2019-12-02 | 2020-03-06 | 西安特种设备检验检测院 | System and method for continuously measuring high-temperature corrosion rate of heat-resistant steel |
| CN111929191A (en) * | 2020-07-29 | 2020-11-13 | 南京航空航天大学 | Crucible for oxidation kinetics measurement of tubular furnace and using method thereof |
-
2018
- 2018-04-12 CN CN201820530536.8U patent/CN208205805U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110487841A (en) * | 2019-07-26 | 2019-11-22 | 武汉科技大学 | Measure linear expansion coefficient high temperature furnace, measuring device and method using it |
| CN110865000A (en) * | 2019-12-02 | 2020-03-06 | 西安特种设备检验检测院 | System and method for continuously measuring high-temperature corrosion rate of heat-resistant steel |
| CN111929191A (en) * | 2020-07-29 | 2020-11-13 | 南京航空航天大学 | Crucible for oxidation kinetics measurement of tubular furnace and using method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181207 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |