CN105290347A - Casting speed measurement device - Google Patents
Casting speed measurement device Download PDFInfo
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- CN105290347A CN105290347A CN201510819389.7A CN201510819389A CN105290347A CN 105290347 A CN105290347 A CN 105290347A CN 201510819389 A CN201510819389 A CN 201510819389A CN 105290347 A CN105290347 A CN 105290347A
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- casting speed
- speed measurement
- weight sensor
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Abstract
The invention relates to a casting speed measurement device which is arranged in a vacuum furnace. The casting speed measurement device is provided with a movable bracket and a weight sensor, wherein the movable bracket is of an L-shaped plate type structure and comprises a lateral plate and a transverse plate which are perpendicularly connected, the lateral plate is rotationally installed on a supporting frame fixed to a furnace body through a shaft, the transverse plate is arranged horizontally, a casting model is borne on the transverse plate, and a force transmission pin is arranged on the outer side wall of an installation plate; the weight sensor is fixedly installed on the inner wall of the furnace body, and the contact point is in butt joint with the force transmission pin on the outer side wall of the lateral plate; the lateral plate is provided with a heat insulation baffle. The casting speed measurement device directly and dynamically measures the weight of molten steel injected into the casting model at a certain sampling frequency, and actually and accurately reflects the casting speed, and measurement data can serve as the important basis for casting quality analysis, quality improvement and technical parameter tracing.
Description
Technical field
The present invention relates to a kind of Weight-measuring device, a kind of specifically casting speed measurement mechanism working under high temperature, high vacuum environment, use casting weight and the relationship expression casting speed of time.
Background technology
Affect the factor of casting quality from many-side, the speed that molten steel injects casting pattern is the key factor affecting casting quality.Manual foundry furnace, opportunity and the injection rate of molten steel injection model vary with each individual, and casting qualified rate also has very big-difference.Some Casting Equipments adopt the mode indirect inspection casting speed measuring crucible inclination angle, because measurement of dip angle method can not determine that molten steel injects starting point and the end point of casting pattern, crucible inclination angle and casting speed are not real corresponding relations, just can not reflect real casting speed yet.
Summary of the invention
For the deficiency such as the measurement of casting speed in prior art is untrue, inaccurate, the technical problem to be solved in the present invention is to provide the weight change of model in a kind of direct measurement molten steel injection process, reflects the casting speed measurement mechanism of true casting speed.
For solving the problems of the technologies described above, the technical solution used in the present invention is:
A kind of casting speed measurement mechanism of the present invention, be located in vacuum drying oven, there is movable bracket, weight sensor, wherein movable bracket is L-type plank frame, comprise the side plate of orthogonal connection Ji Transverse plate, side plate to be arranged on body of heater ， Transverse plate level Shang hard-wired support in a rotatable manner by axle and to arrange, it carries casting pattern, and installing plate lateral wall is provided with power transmission pin; Weight sensor is fixedly installed on inboard wall of furnace body, and contact abuts with the power transmission pin on side plate lateral wall; Side plate is provided with thermal insulation baffle plate.
Weight sensor is fixedly installed on inboard wall of furnace body by cooling device, and cooling device comprises cooling bearing, protective cover and upper protective cover; The cooling plane of bearing one end and of weight sensor install plane-plane contact, and the refrigerating seat other end is consistent with the profile of inboard wall of furnace body contact position; Another installed surface of weight sensor and the compression plane-plane contact of upper protective cover, weight sensor is fixed on refrigerating seat by screw by upper protective cover; Removable pin is built with contact, and the periphery of removable pin is provided with protective cover, and protective cover is connected with cooling bearing by screw.
Power transmission pin is fixed on bearing by collet, and bearing is fixed on the lateral wall of side plate by installing plate.
Described thermal insulation baffle plate is multiple, is divided into side plate end face, the outside of side plate inside and support.
The data line of weight sensor is sent to body of heater outside by junction block, and junction block is placed by the first seal receptacle and is installed on body of heater, is provided with electric insulation sealing shroud between junction block and the first seal receptacle.
Also there is vacuum sock, placed by the second seal receptacle and be installed on body of heater.
The body of heater of vacuum drying oven is double-decker, is cooling-water duct in double-decker
Movable bracket, installing plate are long strip-board shape.
The point cantact structure at a, b place, respectively by contact area between installing plate and movable bracket side plate and between installing plate and bearing contact area reduce more than 3/4.
The present invention has following beneficial effect and advantage:
1. casting speed measurement mechanism of the present invention is with certain sample frequency, the Metal Weight of casting pattern is injected in direct kinetic measurement, truly, accurately reflect casting speed, measurement data can be used as casting quality analysis, quality is improved, the technological parameter important evidence of reviewing.
Accompanying drawing explanation
Fig. 1 is casting speed measurement mechanism structural representation of the present invention;
Fig. 2 A is casting speed measurement mechanism partial structurtes enlarged drawing of the present invention;
Fig. 2 B is bracket side plate structure front view in casting speed measurement mechanism of the present invention;
Fig. 2 C is the top view of Fig. 2 B;
Fig. 3 is sensor cooling structure schematic diagram in casting speed measurement mechanism of the present invention;
Fig. 4 is measurement data export structure schematic diagram in casting speed measurement mechanism of the present invention.
Wherein, 1 is movable bracket, and 2,3,4 is the first ~ tetra-thermal insulation baffle plate, 5 is protective cover, and 6 is weight sensor, and 7 is cooling bearing, 8 first is seal receptacle, and 9 is bearing, and 10 is installing plate, 11 is collet, and 12 is power transmission pin, and 13 is removable pin, 14 is contact, and 15 is outer baffle, and 16 is upper protective cover, 17 is inboard wall of furnace body, and 18 is cooling-water duct, and 19 is vacuum sock, 20 is junction block, and 21 is the second seal receptacle, and 22 is body of heater, 23 is electric insulation sealing shroud, 24 is sealing gasket, and 25 is crucible, and 26 is casting pattern, 27 is axle, and 28 is support.
Detailed description of the invention
Below in conjunction with Figure of description, the present invention is further elaborated.
As shown in Fig. 1,2A ~ 2C, casting speed measurement mechanism of the present invention, be located in vacuum drying oven, there is movable bracket 1, weight sensor 6, wherein movable bracket 1 is L-type plank frame, comprise the side plate of orthogonal connection Ji Transverse plate, side plate is movably arranged on support 28 by axle 27, and movable bracket 1 can rotate around axle 27.Transverse plate level is arranged, and it carries casting pattern, and installing plate 10 lateral wall is provided with power transmission pin 12; Weight sensor 6 is fixedly installed on inboard wall of furnace body 17, and contact 14 abuts with the power transmission pin 12 on side plate lateral wall; Side plate is provided with thermal insulation baffle plate.
Weight sensor 6 is fixedly installed on inboard wall of furnace body 17 by cooling device, and cooling device comprises cooling bearing 7, protective cover 5 and upper protective cover 16.Cooling one end face of bearing 7 and of weight sensor 6 install plane-plane contact, and refrigerating seat 7 other end is consistent with the profile of inboard wall of furnace body 17 contact position; Another installed surface of weight sensor 6 and the compression plane-plane contact of upper protective cover 16, weight sensor 6 is fixed on refrigerating seat 7 by screw by upper protective cover 16.The periphery of removable pin 13 is provided with protective cover 5, and protective cover 5 is connected with cooling bearing 7 by screw.Power transmission pin 12 is fixed on bearing 9 by collet 11, and bearing 9 is fixed on the lateral wall of side plate by installing plate 10.Thermal insulation baffle plate is multiple, is divided into side plate end face, the outside of side plate inside and support 28.All movable parts that outer baffle 15 and movable bracket 1 are installed all leave enough gaps, do not affect power transmission.Also need illustratively in addition, contact 14 is not the parts in weight sensor 6.Weight sensor operation principle is fixed one end, and the other end is unsettled, applies external force at free end, learns the size of exerted forces by measuring deflection.
As shown in Figure 3,4, the data line of weight sensor 6 is sent to body of heater outside by junction block 20, and junction block 20 is placed by the first seal receptacle 8 and is installed on body of heater 22, between junction block 20 and the first seal receptacle 8, be provided with electric insulation sealing shroud 23; Also there is vacuum sock 19, placed by the second seal receptacle 21 and be installed on body of heater 22.
General structure:
Casting speed measurement mechanism of the present invention is made up of movable bracket 1, weight sensor 6, thermal insulation baffle plate, cooling bearing 7, protective cover and seal receptacle etc.
In the present embodiment, casting pattern is placed on movable bracket 1, and weight sensor 6 measures the weight of casting pattern according to certain sample frequency, and measurement data transfers to stove by seal receptacle and processes storage outward.Be welded on cooling bearing 7 on body of heater and take away with the protective cover 5 that screw is connected with cooling bearing the heat energy that weight sensor 6 absorbs, ensure that the operating temperature of weight sensor 6 is no more than its permissible value.
Reduce the measure of heat trnasfer:
For reducing the transmission of furnace high-temperature to sensor, measurement mechanism has carried out key protection for heat transfer and heat radiation on Material selec-tion and structural design.
Expose part in high temperature environments and select the nonmetallic materials alumina silicate of heat-resisting, low heat conductivity and the lower metal material 1Cr18Ni9Ti of thermal conductivity, as movable bracket 1, the first ~ tri-baffle plate 2,3,4 in Fig. 1 all selects 1Cr18Ni9Ti, in Fig. 2, collet 11, contact 14 adopt nonmetal temperature-resistance thermal-insulation material alumina silicate.Structural design is taked reduce heat transfer cross section, extend heat-transfer path, use the measures such as heat insulating mattress to reduce the transmission of heat energy, as movable bracket 1, installing plate 10 are long strip-board shape, play and extend heat-transfer path effect, a, b place is localized contact structure, and heat transfer area reduces more than 3/4.Adopt multilayer baffle plate, see the first ~ tetra-baffle plate 2,3,4 in Fig. 1, reflection molten steel, crucible, casting mould are to the radiant heat transfer of sensor.
Achieved the sealing of body of heater and data transmission system by seal receptacle 8,21, plate washer 2,3,4 is for reflecting molten steel, crucible, casting mould to the heat energy of sensor radiation.
The cooling of sensor:
Measurement mechanism makes full use of the water-cooling system (see Fig. 3) of body of heater itself, refrigerating seat 7 is arranged on inboard wall of furnace body 17, refrigerating seat 7 is consistent with the profile of inboard wall of furnace body 17 contact position, strengthens the contact area of refrigerating seat and body of heater, improves body of heater cooling system to the cooling effect of sensor.The mild steel that the refrigerating seat 7 contacted with body of heater and upper protective cover 16 all select heat conduction good, takes away rapidly the heat of sensor by body of heater cooling system.
Weight sensor is with certain sample frequency record weight amount, and molten steel injection rate is exactly the speed that molten steel injects casting pattern with the ratio of time used.In crucible, liquid steel temperature reaches 1600 DEG C, mold temperature 900 DEG C, and the operating temperature of sensor only has 250 DEG C.Ensure normal operation of sensor, measurement mechanism, except guarantee weight measurement accurately, also will reduce the high temperature heat of molten steel and casting pattern to sensor passes.By reducing heat energy transmission in the design of measurement mechanism, increase cooling effect, the technical measures such as the data transmission under sealing state, make measurement mechanism normally work under high temperature, high vacuum environment.
The output of measurement data:
The measurement data obtained under high vacuum environment in vacuum drying oven will be passed to stove outer atmospheric environment during measurement mechanism work to process, measurement mechanism devises data output channel (as Fig. 4).First and second seal receptacle 8,21, body of heater and data channel seal by vacuum sock 19, electric insulation sealing shroud 23, sealing gasket 24, ensure vacuum when vacuum pressing and casting furnaceman does, by vacuum sock 19, junction block 20, measurement data is passed to the outer atmospheric environment of stove.
The present invention adopts the weight sensor be installed in vacuum pressing and casting stove, with certain sample frequency, kinetic measurement is carried out to the weight of casting pattern, represent that molten steel injects the actual casting speed of casting pattern with " time-weight " curve, the weight change of the starting point that Measurement accuracy molten steel injects, end point and day part, achieves the direct measurement of casting speed.
Claims (9)
1. a casting speed measurement mechanism, be located in vacuum drying oven, it is characterized in that: there is movable bracket, weight sensor, wherein movable bracket is L-type plank frame, comprise the side plate of orthogonal connection Ji Transverse plate, side plate to be arranged on body of heater ， Transverse plate level Shang hard-wired support in a rotatable manner by axle and to arrange, it carries casting pattern, and installing plate lateral wall is provided with power transmission pin; Weight sensor is fixedly installed on inboard wall of furnace body, and contact abuts with the power transmission pin on side plate lateral wall; Side plate is provided with thermal insulation baffle plate.
2., by casting speed measurement mechanism according to claim 1, it is characterized in that: weight sensor is fixedly installed on inboard wall of furnace body by cooling device, cooling device comprises cooling bearing, protective cover and upper protective cover; The cooling plane of bearing one end and of weight sensor install plane-plane contact, and the refrigerating seat other end is consistent with the profile of inboard wall of furnace body contact position; Another installed surface of weight sensor and the compression plane-plane contact of upper protective cover, weight sensor is fixed on refrigerating seat by screw by upper protective cover; Removable pin is built with contact, and the periphery of removable pin is provided with protective cover, and protective cover is connected with cooling bearing by screw.
3., by casting speed measurement mechanism according to claim 1, it is characterized in that: power transmission pin is fixed on bearing by collet, and bearing is fixed on the lateral wall of side plate by installing plate.
4. by casting speed measurement mechanism according to claim 1, it is characterized in that: described thermal insulation baffle plate is multiple, is divided into side plate end face, the outside of side plate inside and support.
5. by casting speed measurement mechanism according to claim 1, it is characterized in that: the data line of weight sensor is sent to body of heater outside by junction block, junction block is placed by the first seal receptacle and is installed on body of heater, is provided with electric insulation sealing shroud between junction block and the first seal receptacle.
6., by casting speed measurement mechanism according to claim 1, it is characterized in that: also there is vacuum sock, placed by the second seal receptacle and be installed on body of heater.
7. by casting speed measurement mechanism according to claim 1, it is characterized in that: the body of heater of vacuum drying oven is double-decker, is cooling-water duct in double-decker.
8., by the casting speed measurement mechanism described in claim 1 or 3, it is characterized in that: movable bracket, installing plate are long strip-board shape.
9., by casting speed measurement mechanism according to claim 1, it is characterized in that: the point cantact structure at a, b place, respectively by contact area between installing plate and movable bracket side plate and between installing plate and bearing contact area reduce more than 3/4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510819389.7A CN105290347A (en) | 2015-11-22 | 2015-11-22 | Casting speed measurement device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510819389.7A CN105290347A (en) | 2015-11-22 | 2015-11-22 | Casting speed measurement device |
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| CN105290347A true CN105290347A (en) | 2016-02-03 |
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| CN201510819389.7A Pending CN105290347A (en) | 2015-11-22 | 2015-11-22 | Casting speed measurement device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110512104A (en) * | 2019-08-27 | 2019-11-29 | 西安斯瑞先进铜合金科技有限公司 | One kind preparing CuMn by vacuum induction melting25Ni10The method of alloy material |
| CN111023957A (en) * | 2019-12-20 | 2020-04-17 | 北京航空航天大学 | High-temperature-resistant radial displacement sensor device |
| CN114226658A (en) * | 2021-11-23 | 2022-03-25 | 大冶特殊钢有限公司 | Injection method for die casting |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6896032B1 (en) * | 2002-09-26 | 2005-05-24 | Hayes Lemmerz International, Inc. | Stopper-poured molten metal casting vessel with constant head height |
| CN102564150A (en) * | 2011-12-26 | 2012-07-11 | 江西稀有稀土金属钨业集团有限公司 | Full-automatic tilting system and method for furnace |
| CN103153501A (en) * | 2010-07-14 | 2013-06-12 | 美尔泰克工业熔炉制造股份有限公司 | Device and method for metering molten material and casting machine |
| CN103752780A (en) * | 2013-10-28 | 2014-04-30 | 沈阳黎明航空发动机(集团)有限责任公司 | Device and method for measuring casting weight of vacuum furnace in real time by weight sensor |
| CN204724809U (en) * | 2015-05-30 | 2015-10-28 | 山西太钢不锈钢股份有限公司 | A kind of measurement mechanism of die casting pour steel flow |
-
2015
- 2015-11-22 CN CN201510819389.7A patent/CN105290347A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6896032B1 (en) * | 2002-09-26 | 2005-05-24 | Hayes Lemmerz International, Inc. | Stopper-poured molten metal casting vessel with constant head height |
| CN103153501A (en) * | 2010-07-14 | 2013-06-12 | 美尔泰克工业熔炉制造股份有限公司 | Device and method for metering molten material and casting machine |
| CN102564150A (en) * | 2011-12-26 | 2012-07-11 | 江西稀有稀土金属钨业集团有限公司 | Full-automatic tilting system and method for furnace |
| CN103752780A (en) * | 2013-10-28 | 2014-04-30 | 沈阳黎明航空发动机(集团)有限责任公司 | Device and method for measuring casting weight of vacuum furnace in real time by weight sensor |
| CN204724809U (en) * | 2015-05-30 | 2015-10-28 | 山西太钢不锈钢股份有限公司 | A kind of measurement mechanism of die casting pour steel flow |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110512104A (en) * | 2019-08-27 | 2019-11-29 | 西安斯瑞先进铜合金科技有限公司 | One kind preparing CuMn by vacuum induction melting25Ni10The method of alloy material |
| CN110512104B (en) * | 2019-08-27 | 2021-04-16 | 西安斯瑞先进铜合金科技有限公司 | CuMn prepared by vacuum induction melting25Ni10Method for alloying materials |
| CN111023957A (en) * | 2019-12-20 | 2020-04-17 | 北京航空航天大学 | High-temperature-resistant radial displacement sensor device |
| CN111023957B (en) * | 2019-12-20 | 2021-05-28 | 北京航空航天大学 | High-temperature-resistant radial displacement sensor device |
| CN114226658A (en) * | 2021-11-23 | 2022-03-25 | 大冶特殊钢有限公司 | Injection method for die casting |
| CN114226658B (en) * | 2021-11-23 | 2023-03-24 | 大冶特殊钢有限公司 | Injection method for die casting |
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