CN109665696A - Glass materials in the tube draw component, equipment and technique - Google Patents
Glass materials in the tube draw component, equipment and technique Download PDFInfo
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- CN109665696A CN109665696A CN201910018001.1A CN201910018001A CN109665696A CN 109665696 A CN109665696 A CN 109665696A CN 201910018001 A CN201910018001 A CN 201910018001A CN 109665696 A CN109665696 A CN 109665696A
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- glass
- die orifice
- tube
- glass materials
- discharging die
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B15/00—Drawing glass upwardly from the melt
- C03B15/14—Drawing tubes, cylinders, or rods from the melt
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C8/00—Enamels; Glazes; Fusion seal compositions being frit compositions having non-frit additions
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- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
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- General Chemical & Material Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Re-Forming, After-Treatment, Cutting And Transporting Of Glass Products (AREA)
Abstract
Glass materials in the tube draw component, equipment and technique, belong to glass materials in the tube production field.It includes: internal to have that chamber is received in glass melts storage and the molding die for opening up discharging die orifice is run through in bottom that glass materials in the tube, which draw component,.And there is the auxiliary mould stick of changeover portion in bottom end.Changeover portion is arranged at intervals at the close side of discharging die orifice and is coaxially disposed with discharging die orifice, is configured to the first end far from discharging die orifice to the second end smooth contraction transitional structure close to discharging die orifice.The cross section outer edge of second end is correspondingly arranged with discharging die orifice inward flange, and the cross section of first end is circle, and the projection of second end in its axial direction is located in the projection of the inward flange of discharging die orifice in its axial direction.Drawing device includes the drawing component.The system of being pulled under drawing process uses the drawing component vertical when glass melts flood at least part changeover portion.The changeover portion that the drawing component is shunk by gradually transition forms low temperature softening region and guides transition glass melts, balances radial contracting forces.
Description
Technical field
This application involves glass materials in the tube production fields, draw component, equipment and work in particular to a kind of glass materials in the tube
Skill.
Background technique
In the related technology, with the irregular external form glass materials in the tube of pore, such as the triangular glass in polygon materials in the tube
Materials in the tube can form different radial contracting forces to inner core cavity pore during drawing molding, and thus generate irregular
The pore of shape, therefore the generally conventional intermediate pore generated for drawing out the triangular glass materials in the tube come is irregular ellipse
The pore of type, such as in the practical application for producing mercury-free triangle thermometer etc., it is unable to satisfy requirement.
Summary of the invention
A kind of glass materials in the tube of being designed to provide of the application draw component, equipment and technique, and glass materials in the tube draw component
Auxiliary mould stick by the way that smooth contraction transition is arranged above discharging die orifice promotes materials in the tube to carry out well-regulated contraction, is conducive to
To external form rule and the internal glass materials in the tube with uniform round pore.
Embodiments herein is achieved in that
In a first aspect, the embodiment of the present application provides a kind of glass materials in the tube drawing component, comprising:
There is inside molding die glass melts storage to receive chamber and bottom and received with glass melts storage through offering for molding die
The discharging die orifice of chamber connection；And
Mould stick is assisted, the bottom end of auxiliary mould stick has changeover portion, and changeover portion is arranged at intervals at the close glass of discharging die orifice
Melt storage receive chamber side and with discharging die orifice coaxial arrangement, changeover portion is configured to the first end far from discharging die orifice to close
The second end smooth contraction transitional structure of discharging die orifice, the outer edge of the cross section of first end and the inward flange pair of discharging die orifice
It should be arranged, the cross section of second end is circle, and the projection of second end in its axial direction is located at the inward flange of discharging die orifice in its axis
In upward projection.
In above-mentioned technical proposal, the glass materials in the tube suitable for carrying out under vertically drawing draw mode, by discharging die orifice
Top setting assists mould stick, in the pulling process for carrying out glass materials in the tube, constantly passes through the outflow of discharging die orifice and quilt in glass melts
While traction, which is inserted in glass melts, and since auxiliary mould stick relative temperature is lower, it can be formed around it
Low temperature softening region for one opposite glass melts.Meanwhile mould stick will be assisted to be set as the form that smooth transition is shunk, mistake
It crosses section and carries out gradually transition guidance in the process that low temperature softening region flows downward out the discharging die orifice to glass melts, be conducive to
The radial contracting forces that inner core cavity pore is formed in even pulling process.And due to by the changeover portion by with discharging mode mouth-shaped
Corresponded manner transition is circle, can further balance the radial contraction formed in pulling process to inner core cavity pore
Power is conducive to glass materials in the tube and is shunk regularly in discharging die orifice by auxiliary mould stick, to obtain external form rule and internal tool
There are the glass materials in the tube of uniform round pore.
In some optional embodiments, one end of chamber is received in the storage of the close glass melts of the die orifice that discharges has transition part,
The inner wall of transition part is configured to the structure with the outside wall parallel of changeover portion.
In above-mentioned technical proposal, the transition part is set at the upper end opening of discharging die orifice, discharging is entered to glass tube stream
The initial segment of die orifice carries out transition, is conducive to glass materials in the tube external form and regularly shrinks.It sets the transition part of the discharging die orifice to
The structure parallel with the auxiliary changeover portion of mould stick, changeover portion and transition part, which are combined with, to be conducive in further balance pulling process internally
The radial contracting forces that core cavity pore is formed, further increase the uniformity in glass materials in the tube internal capillary hole.
In some optional embodiments, changeover portion axial length and second end diameter ratio are 300-400:20-30,
The projection of the inward flange of discharging die orifice in its axial direction is located at outside the projection of first end in its axial direction.
In above-mentioned technical proposal, the changeover portion of auxiliary mould stick is configured according to above-mentioned draw ratio makes it have contraction appropriate
Speed and tilt angle, at the same by changeover portion be set as cross section be greater than discharging die orifice mode guarantee to have it is appropriate and enough low
Warm softened region can further increase auxiliary mould stick to the guidance transitional function of glass melts.
In some optional embodiments, the cross section of the inward flange of the cross section and discharging die orifice of first end is three sides
Respectively correspond the triangle of setting.
In above-mentioned technical proposal, it sets discharging die orifice and changeover portion to the form of triangle, being suitable for production has circle
The triangle materials in the tube of pore can be widely applied for triangle bar type clinical thermometer.And due to having the triangle materials in the tube of round pore
Radial contracting forces imbalance leads to the phenomenon that generating the pore of irregular shape especially significant, conventional equipment in pulling process
The pore of the triangle materials in the tube of drawing is usually irregular oval pore and is unable to satisfy mercury-free clinical thermometer to glass tube
The requirement of material, above-mentioned set-up mode, which is conducive to draw, obtains the triangle glass for meeting requirement with regular circle shapes pore
Glass materials in the tube have preferable application value.
In some optional embodiments, fixed section is connected at the top of first end, glass materials in the tube draw component and also wrap
Adjusting component is included, component is adjusted and is connect with fixed section, so that changeover portion is along its axial movement.
In above-mentioned technical proposal, it is contemplated that due in actual production, according to glass materials in the tube different size needs, different glass
Glass melt raw material uses, or according to the fine tuning of technological parameter in different batches technique, may have different glass melts
Melting temperature and different glass materials in the tube hauling speeds.The setting for adjusting component can adjust the changeover portion of auxiliary mould stick to out
Expect the distance between die orifice, convenient for matching from different drawing process conditions, is conducive to improve effectively drawing for auxiliary mould stick
Lead the adjustment effect of transition.
In some optional embodiments, fixed section and changeover portion are coaxially disposed, fixed section along it axially slidably
It is disposed through the top of molding die, adjusting component is elevating mechanism, and the output end and fixed section of elevating mechanism, which stretch out, to be formed
The end of mold is sequentially connected.
In above-mentioned technical proposal, the fixed section for assisting mould stick is set as being convenient for through the form at the top of molding die
Component directly is adjusted in the external setting of molding die, the configuration requirement for adjusting component is low and facilitate setting.Fixed section and transition
Section, which is coaxially disposed and stretches out the mode of molding die, also to be facilitated and will adjust component and directly be configured to elevating mechanism, easy to adjust, set
It sets simple and at low cost.
In some optional embodiments, changeover portion is quartz glass bar.
In above-mentioned technical proposal, quartz glass bar has preferable high-temperature stability, and it is soft to make it have preferable formation low temperature
Change the effect in region；The surface contact angle of quartz glass bar and glass melts is appropriate simultaneously, guarantees glass melts in quartz glass
There is suitable travelling performance on stick surface.The setting can further improve in changeover portion auxiliary pulling process and form uniform circle
The guidance transitional function of shape pore.
Second aspect, the embodiment of the present application provide a kind of glass materials in the tube drawing device, comprising:
The glass materials in the tube that at least one first aspect embodiment provides draw component；
Feeding device, feeding device are melted for molten raw and respectively to the glass that each glass materials in the tube draw component
Liquid storage receive chamber introduce glass melts；And
Traction device, traction device are set to the bottom that at least one glass materials in the tube draws the discharging die orifice of component, are used for
The glass materials in the tube for the die orifice that discharges are axially facing the direction far from discharging die orifice along it to draw.
In above-mentioned technical proposal, the drawing that component carries out glass materials in the tube is drawn using the glass materials in the tube that first aspect provides,
Cooperate vertically downward traction of the traction device to glass materials in the tube, uniform radial contraction can be generated in glass materials in the tube pulling process
The radial contraction of power and rule is conducive to obtain external form rule and the internal glass materials in the tube with uniform round pore.Glass
Glass materials in the tube drawing device configures multiple glass materials in the tube and draws component and supply glass melts respectively by feeding device, convenient for simultaneously
Draw multiple glass materials in the tube, moreover it is possible to effectively improve production efficiency.
The third aspect, the embodiment of the present application provide a kind of glass materials in the tube drawing device provided based on second aspect embodiment
Glass materials in the tube drawing process, comprising:
By glass raw material, heating melting obtains glass melts in feeding device, and glass melts are introduced to each molding respectively
The glass melts storage of mold, which is received, chamber and makes glass melts flood at least part changeover portion, while using traction device by discharging mode
The molding glass materials in the tube of mouth are continuously drawn downwards.
It in above-mentioned technical proposal, is drawn, is drawn using the glass materials in the tube drawing device that second aspect embodiment provides
The continuous downward traction of Shi Liyong traction device configures the drawing device to the mode under vertically drawing, and is conducive to all directions radial direction
Power is uniform.In pulling process, so that glass melts is flooded at least part changeover portion makes changeover portion play above-mentioned guidance transition work
With, it further balances the radial contracting forces of all directions and shrinks glass tube material regularly, it is regular and interior convenient for obtaining external form
Portion has the glass materials in the tube of uniform round pore.
In some optional embodiments, the temperature of feeding device heating melting is 1300-1400 DEG C, second end with go out
The distance for expecting die orifice is 20-30cm, and the hauling speed of traction device is 1-4m/min；And/or glass melts are stored up in glass melts
The liquid level received in chamber is 60-80cm at a distance from discharging die orifice.
In above-mentioned technical proposal, through inventor the study found that by the temperature, second end and discharging of feeding device heating melting
The distance of die orifice, the hauling speed of traction device and glass melts receive liquid level in chamber and discharging die orifice in glass melts storage
Distance can shrink situation with rule to the radial contracting forces in glass materials in the tube pulling process and generate certain influence, control above-mentioned
Each influence factor is adjusted in the appropriate range, is matched, and is conducive to further ensure the effect that glass tube gauge is then drawn.
Detailed description of the invention
Technical solution in ord to more clearly illustrate embodiments of the present application, below will be to needed in the embodiment attached
Figure is briefly described, it should be understood that the following drawings illustrates only some embodiments of the application, therefore is not construed as pair
The restriction of range for those of ordinary skill in the art without creative efforts, can also be according to this
A little attached drawings obtain other relevant attached drawings.
Fig. 1 is the structural schematic diagram that glass materials in the tube provided by the embodiments of the present application draw component；
Fig. 2 is the structural schematic diagram for the changeover portion that glass materials in the tube provided by the embodiments of the present application draw component；
Fig. 3 is the structural schematic diagram for the discharging die orifice that glass materials in the tube provided by the embodiments of the present application draw component；
Fig. 4 is the structural schematic diagram of triangular glass materials in the tube；
Fig. 5 is the structural schematic diagram of glass materials in the tube drawing device provided by the embodiments of the present application；
Fig. 6 provides glass materials in the tube for the embodiment of the present application and draws work shape of the component when implementing glass materials in the tube drawing process
State schematic diagram.
Icon: 10- glass materials in the tube drawing device；100- glass materials in the tube draw component；110- molding die；111- glass is molten
Chamber is received in liquid storage；112- discharging die orifice；1121- transition part；113- assists mould stick；1131- changeover portion；1132- first end；1133-
Second end；1134- fixed section；114- elevating mechanism；1141- output end；115- support plate；200- feeding device；300- traction
Device；400- triangular glass materials in the tube；410- glaze band；420- circle pore；500- glass melts liquid level.
Specific embodiment
To keep the purposes, technical schemes and advantages of the embodiment of the present application clearer, below in conjunction with the embodiment of the present application
In attached drawing, the technical scheme in the embodiment of the application is clearly and completely described, it is clear that described embodiment is
Some embodiments of the present application, instead of all the embodiments.The application being usually described and illustrated herein in the accompanying drawings is implemented
The component of example can be arranged and be designed with a variety of different configurations.
Therefore, the detailed description of the embodiments herein provided in the accompanying drawings is not intended to limit below claimed
Scope of the present application, but be merely representative of the selected embodiment of the application.Based on the embodiment in the application, this field is common
Technical staff's every other embodiment obtained without creative efforts belongs to the model of the application protection
It encloses.
It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing.
In the description of the present application, term " first ", " second ", etc. be only used for distinguishing description, and should not be understood as indicating
Or imply relative importance.
The orientation or position of the instructions such as term " inside ", " outside ", " top ", " bottom ", " side wall ", " top ", " lower section "
Set relationship be based on the orientation or positional relationship shown in the drawings or this application product using when the orientation or position usually put
Relationship is set, description the application is merely for convenience of and simplifies description, rather than the device or element of indication or suggestion meaning are necessary
It with specific orientation, is constructed and operated in a specific orientation, therefore should not be understood as the limitation to the application.
In addition, when the terms such as term "vertical", " vertical ", " parallel " indicate setting direction or are oppositely arranged direction, and
It does not indicate the state for requiring component absolutely to keep this vertical, perpendicular or parallel, but can be slightly tilted.
Unless otherwise clearly defined and limited, term " setting ", " connection " shall be understood in a broad sense, for example, it may be solid
Fixed connection, may be a detachable connection, or be integrally connected；It can be directly connected, it can also be indirect by intermediary
It is connected, can be the connection inside two elements.For the ordinary skill in the art, on being understood with concrete condition
State the concrete meaning of term in this application.
Fig. 1-3 is please referred to, in a first aspect, the embodiment of the present application provides a kind of glass materials in the tube drawing component 100, is mainly used for
Carry out the glass materials in the tube drawing process for drawing trombone slide vertically downward, including molding die 110 and auxiliary mould stick 113.
Referring to Fig. 1, there are the glass melts for accommodating glass melts, which to store up, for the inside of molding die 110 receives chamber 111.For
Meet the needs of glass materials in the tube drawing, glass melts storage receives the height of chamber 111 and is set as capable of at least storing up that receive depth be 60-
The volume of the glass melts of 80cm.
Molding die 110, which is configured with, receives the feeder of chamber 111 for the glass melts of melting to be introduced glass melts storage, into
Material portion may be alternatively arranged as flowing into glass melts storage for glass melts raw material and receive the charging die orifice of chamber 111.It such as needs to introduce more
Optionally every kind of glass melts correspondingly configure one or more charging die orifices to kind glass melts, and are needed arbitrarily according to charging
Through top, side wall or the bottom for being opened in molding die 110.
The feeder of molding die 110 can also open up charging die orifice in specific position according to the needs of client.Such as
When needing to draw the glaze band 410 or glaze silk that are inlaid with particular color in glass materials in the tube ontology, optionally, in molding die
Through opening up glaze die orifice, glaze die orifice is stored up with glass melts to be received chamber 111 and is connected at 110 top.The position of glaze die orifice is optional
Ground is configured to for glaze to be passed through glass melts storage and receives in chamber 111 close to position corresponding to the edge of discharging mode mouth 112, when
When being directly added into glaze stick, glaze die orifice, which is only arranged, can be realized the addition of glaze；It, can when being directly added into the glaze melt of melting
Selection of land can also be inserted into the feed pipe for stretching to 112 top of discharging die orifice in glaze die orifice.To draw glass materials in the tube ontology
While, the glass melts of glaze and glass materials in the tube ontology can the adhesion near discharging die orifice 112, convenient in the work of tractive force
With the lower glass materials in the tube for being formed and there is special glaze band 410 or glaze silk table to show.
The bottom of molding die 110, which is run through to offer, receives the discharging die orifice 112 that chamber 111 be connected to glass melts storage, will be out
Material die orifice 112 is configured at glass melts storage and receives the lower section of chamber 111, glass melts by the die orifice 112 that discharges flow out directly down into
Row materials in the tube are drawn.The consistency of lead is drawn in order to improve glass melts discharging direction and glass materials in the tube, to improve glass
Glass materials in the tube carry out the uniformity that is harmonious and then improving glass materials in the tube external form and its pore of convergent force, and discharging die orifice 112 can
Selection of land is set as the structure that axial line is straight line, and further the extending direction of its axial line is set as when drawing materials in the tube along perpendicular
Mode of the histogram to extension.
The exterior design for the glass materials in the tube that the shape of the cross section of the inward flange of discharging die orifice 112 is drawn as needed, example
It is such as provided in round, ellipse, triangle, quadrangle shape draw the glass materials in the tube of corresponding external form.Since inventor studies
It was found that radial contracting forces difference causes radial contraction uneven and generates the feelings of non-uniform pore when drawing glass materials in the tube
Condition is primarily present in and draws that cross section outer edge is rule or irregular polygon materials in the tube and cross section outer edge is other
The glass materials in the tube of irregular shape.In some alternative embodiments set the cross section of the inward flange for the die orifice 112 that discharges to
Regular or irregular polygon or other irregular shapes.It is to be appreciated that cross section described in the embodiment of the present application,
Refer to the section vertical with axial line.
Illustratively, the triangular glass materials in the tube 400 with pore as shown in Figure 4, are typically used as mercury-free clinical thermometer glass
Glass materials in the tube, for example, the outer peripheral a height of 1.6-2.2mm in cross section isosceles triangle small dimension materials in the tube or section it is outer peripheral
The heavy gauge tube material of the isosceles triangle of a height of 4.6-5.7mm, the diameter for the round pore 420 that center has are, for example, 2-5 μ
m.Needs are drawn according to it, set isosceles triangle for the cross section of the inward flange of the discharging die orifice 112, the height of the cross section
About 120mm, width about 70mm.
Referring to Fig. 2, the bottom end of auxiliary mould stick 113 has the changeover portion 1131 being coaxially disposed with discharging die orifice 112, the mistake
It crosses section 1131 and is arranged at intervals at close the glass melts of discharging die orifice 112 and store up and receive the side of chamber 111, which is fixed
In discharging 112 axle center of die orifice top and discharging die orifice 112 between have allow glass melts flow into discharging die orifice 112 between
Gap.
The arbitrary form that changeover portion 1131 can be used, which is fixed on glass melts storage and receives, is located at discharging die orifice 112 in chamber 111
The storage of close glass melts receive chamber 111 side position, the interference in order to avoid fixed position to changeover portion 1131 is optional
Ground is fixed it by the top of the changeover portion 1131.Such as fixation is set with being integrally formed at the top of changeover portion 1131
Section 1134, or any dismountable connection type such as be connected through a screw thread, be clamped and fixed section 1134 is set, and passing through fixed section
1134 pairs of changeover portions 1131 are fixed.
Fixed section 1134 can be set to the structure for being arbitrarily capable of fixing changeover portion 1131, can be along arbitrary extension side
To setting, for being directly attached with molding die 110, or with the fixation that is configured inside or outside molding die 110
Position is attached.
In some alternative embodiments, fixed section 1134 can width direction along molding die 110 or length side
To extension, which refers to the plane vertical with the discharging axis of die orifice 112, fixed section with the plane where width direction
The end of 1134 separate changeover portion 1131 is extended to be fixedly connected with the side wall of molding die 110.Fixed section 1134 can also be with
Extend along the short transverse of molding die 110, which refers to the direction parallel with the discharging axial direction of die orifice 112,
The end of the separate changeover portion 1131 of fixed section 1134 is fixedly connected with the top of molding die 110.
Due in the pulling process for actually carrying out glass materials in the tube, it may be necessary to the glass materials in the tube of different size are produced, or
Person is different due to the material allocation of glass materials in the tube, it may be necessary to adjusting prepare glass melts glass raw material heating temperature and/or
The hauling speed of glass materials in the tube is drawn, or since different batches, different operation worker are to the experience adjustment parameter of above-mentioned technique
Also it is slightly different, in order to preferably play the effect of changeover portion 1131, optionally sets changeover portion 1131 for auxiliary mould stick 113
The adjustable structure of the distance between discharging die orifice 112.
The second end 1133 of changeover portion 1131 is carried out to the distance between the die orifice 112 that discharges optionally between 20-30cm
It adjusts.
Illustratively, it is attached using adjusting component with fixed section 1134, for adjusting changeover portion 1131 and discharging mode
The distance between mouth 112.In some alternative embodiments, fixed section 1134 is axially slidably disposed through molding along it
The top of mold 110, adjusting component are elevating mechanism 114, the output end 1141 of elevating mechanism 114 and fixed section 1134 stretch out at
The end transmission connection of pattern tool 110.Elevating mechanism 114 refers to the power device for arbitrarily capableing of direct linear movement output,
The top of for example, hydraulic cylinder or cylinder, output end 1141 and fixed section 1134 is fixedly connected on a support plate 115 respectively
On, realize that transmission connection carries out lift adjustment.
The form through the top of molding die 110 is set by the fixed section 1134 for assisting mould stick 113, convenient for directly existing
The external setting of molding die 110 adjusts component, and the configuration requirement for adjusting component is low and facilitate setting.Fixed section 1134 and transition
1131 coaxial arrangement of section and the mode for stretching out molding die 110, which also facilitate, directly configures elevating mechanism 114 for adjusting component, adjusts
Section is convenient, it is simple and at low cost to be arranged.
In other embodiments, the elevating mechanism 114 that component is not limited to linear movement output is adjusted, can also be turned using output
Adapter is arranged in the fixed section 1134 directly setting or between fixed section 1134 and regulating mechanism in the mechanism of dynamic power,
Component for converting rotational motion to linear motion realizes fixed section 1134 and adjusts the transmission connection of component.Such as it adjusts
Component output end 1141 is rotate gear, the mode of the axially disposed rack gear of fixed section 1134.
In addition, other than the above-mentioned set-up mode using adjusting component output adjusting power, it can also be by manual
Fixed section 1134 is driven to adjust the position of changeover portion 1131.Such as the mode of setting connecting rod, telescopic rod, adjusting screw rod etc. drives admittedly
Determine section 1134.
Changeover portion 1131 has second of first segment and close discharging die orifice 112 far from discharging die orifice 112 in the axial direction
End 1133.Changeover portion 1131 in the embodiment of the present application is configured to from first end 1132 to 1133 smooth contraction transition of second end
Structure.In smooth contraction transition, smooth contraction not only includes the diminishing meaning, is also referred in the embodiment of the present application in mistake
Cross the camber line that the extending direction of the outer edge of section 1131 in the axial direction is generally straight line rather than is recessed inwardly or outwardly protrudes.
The outer edge of the cross section of the first end 1132 of the cross section of first end 1132 and the inward flange pair of discharging die orifice 112
It should be arranged.Above-mentioned is correspondingly arranged, and on the one hand refers to: the outer peripheral shape and discharging die orifice of the cross section of the first end 1132
The shape of the cross section of 112 inward flange is rough identical, for example, discharging die orifice 112 inward flange cross section be polygon
When, the outer peripheral shape of the cross section of the first end 1132 is arranged in correspondence with as in identical polygon and therebetween each
The angle at angle is rough identical.On the other hand refer to: the outer peripheral shape and discharging mode of the cross section of the first end 1132
Each side of the cross section of mouthfuls 112 inward flange is also in substantially parallel to be correspondingly arranged mode.
In order to guarantee as much as possible glass materials in the tube shrink when all directions radial contracting forces it is uniform, second end 1133 it is transversal
The circle that face is set as high degree of symmetry and smoothly extends.
Changeover portion 1131 is provided in the low temperature softening region formed around it relative to glass melts, and to glass
The process that glass melt flows out the discharging die orifice 112 is gradually guided transition, to balance radial contracting forces.In order to guarantee transition
The guidance transitional function of section 1131, it is desirable that the cross section of second end 1133 is less than the size of discharging die orifice 112 and projection completely
In the range of the die orifice 112 that discharges, therefore the projection of second end 1133 in its axial direction is located at the inward flange of discharging die orifice 112 at it
In projection in axial direction.In an achievable example, the projection of second end 1133 in its axial direction is located at discharging die orifice 112
Inward flange projection in its axial direction position of centre of gravity at, refer to, the circle which is projected out in the direction
Center of gravity of the center of circle in region with the inward flange of the discharging die orifice 112 in the region that the direction is projected out is rough to be overlapped.First end
The size that 1132 cross section is greater than discharging die orifice 112 guarantees the low temperature softening region for having enough size and guidance transition range,
The optionally projection of the inward flange of discharging die orifice 112 in its axial direction is located at outside the projection of first end 1132 in its axial direction, the
The circumradius of the cross section of one end 1132 is, for example, the 1.5- of the circumscribed circle of the cross section of the inward flange of discharging die orifice 112
2.5 times, or be generally 2 times.
Illustratively, such as discharging die orifice 112 is provided for drawing triangular glass materials in the tube shown in Fig. 4 according to above-mentioned
When 400, the cross section of first end 1132 is set as isosceles triangle, isoceles triangle corresponding to the cross section of the first end 1132
Shape, bottom edge and the bottom edge of isosceles triangle corresponding to the inward flange of discharging die orifice 112 are rough parallel, and two isosceles three
Two angular waists are rough to be arranged in parallel, and the height of the cross section is about 200mm, wide about 150mm.The cross section of second end 1133
It is set as the circle that diameter is about 20mm.Optionally, in the above-mentioned embodiment for producing triangular glass materials in the tube 400, changeover portion
1131 axial lengths and 1133 diameter ratio of second end are 300-400:20-30, the length example of the changeover portion 1131 vertically
Such as it is set as 300-400mm.
Auxiliary glass materials in the tube are equal radially in insertion glass melts during glass materials in the tube are drawn for changeover portion 1131
Even contraction, material are optionally the material that heat resistance is good and thermal coefficient is low, such as heat-resisting material, guarantee that it is being inserted into
It will not melt in glass melts or softening transform, being also able to maintain has the effect of preferably forming low temperature softening region.?
Have in some embodiments and set quartz glass bar for the changeover portion 1131, heat-stable ceramic can also be selected in other embodiments
Equal materials.
Referring to Fig. 3, in some alternative embodiments, close the glass melts for the die orifice 112 that discharges, which store up, receives the one of chamber 111
End has transition part 1121, and the inner wall of transition part 1121 is configured to the structure with the outside wall parallel of changeover portion 1131.That is, transition
It is the shape being correspondingly arranged with the cross section of first end 1132 that one end of chamber 111 is received in the close glass melts storage in portion 1121, this is right
Should be arranged with first end 1132 and discharging mold to be correspondingly arranged mode identical, meanwhile, the contraction of transition part 1121 vertically
Contraction of the inclination taper with changeover portion 1131 in the axial direction inclination taper it is roughly equal.Above-mentioned setting, to glass tube stream
The initial segment of die orifice 112 of entering to discharge carries out transition, and changeover portion 1131 and transition part 1121 are combined with to be conducive to further balance and draw
The radial contracting forces formed in the process to inner core cavity pore, further increase the uniformity in glass materials in the tube internal capillary hole.
It should be noted that the inward flange of discharging die orifice 112 described in the embodiment of the present application, refers to the bore of discharging die orifice 112 most
The edge enclosed corresponding to small position by inner wall, such as in the discharging die orifice 112 for being provided with transition part 1121, this is interior
Edge refers to the edge enclosed corresponding to the discharging 112 corresponding position of non-transition part 1121 of die orifice by inner wall.
Referring to Fig. 5, second aspect, the embodiment of the present application provides a kind of glass materials in the tube drawing device 10, including glass tube
Material draws component 100, feeding device 200 and traction device 300.
The number that glass materials in the tube draw component 100 is at least one, such as when matching with tank furnace, be configured to four or
Six.It configures multiple glass materials in the tube drawing components 100 to be convenient for while drawing multiple glass materials in the tube, processing efficiency is higher.
Feeding device 200 draws component to each glass materials in the tube respectively for molten raw and by feed combustion flue
100 glass melts storage receive chamber 111 introduce glass melts, be used for the equipment such as crucible or tank furnace of molten raw, melt
Glass melts after melting, which flow out by the feed combustion flue of feeding device 200 and pass through the die orifice opened up, flows to glass materials in the tube drawing group
Inside the molding die 110 of part 100.
In some alternative embodiments, it when the technique for being related to being drawn using a variety of glass melts, such as needs
When being mixed into glaze band 410 in glass materials in the tube, feeding device 200 optionally configures multiple crucibles or tank furnace difference each glass of heating melting
Glass raw material, each glass melts are flowed out by respective die orifice, and the glass melts of glass materials in the tube ontology flow into glass by charging die orifice
The storage of glass melt is received in chamber 111, and the melt of glass glaze flows into glass melts storage by glaze die orifice and receives in chamber 111, in outflow
The glass respectively melted in the process is sticked together in the position that glass melts storage is received in chamber 111 above close discharging die orifice 112.Separately
Outside when needing to be mixed into glaze band 410 in glass materials in the tube, glaze band 410 can also be melted in glass materials in the tube sheet in the form of glaze stick
In the glass melts of body raw material, glaze stick is directly inserted into glass melts storage by glaze die orifice and is received in chamber 111 close to discharging die orifice
The position of 112 tops.
Traction device 300 be set to glass materials in the tube draw component 100 discharging die orifice 112 bottom, lead with
Discharge the axial parallel of die orifice 112, for being axially facing the glass materials in the tube for the die orifice 112 that discharges along it far from discharging die orifice 112
Direction traction.The traction device 300 is optionally configured to draw the one-to-one correspondence of component 100 with glass materials in the tube, makes each glass
Materials in the tube draw component 100 can personalized control materials in the tube drawing；Or, section corresponding with all glass materials in the tube drawing components 100
Save equipment deployment cost, and can multiple materials in the tube simultaneously draw improve efficiency.
The working principle of glass materials in the tube drawing device 10 provided by the embodiments of the present application is as follows:
The glass raw material for being used to draw is carried out heating melting by feeding device 200 in crucible or tank furnace, obtained glass
Feeder inflow glass melts after melt outflow feeding device 200 by molding die orifice, which store up, to be received chamber 111 and reaches suitable glass
500 height of glass melt liquid level is so that it floods at least part of changeover portion 1131.The glass that glass melts storage is received in chamber 111 is molten
The discharging die orifice 112 that liquid constantly passes through 110 bottom of molding die is flowed out and is introduced by the way that traction device 300 is continuously vertically lower
Row draws molding.During drawing molding, since changeover portion 1131 is inserted into glass melts, the temperature of changeover portion 1131 is lower than
Glass melts and low temperature softening region relative to glass melts is formed around it, it is equal to facilitate glass tube material radial contraction
It is even.Simultaneously because transition region is set as the smooth contraction transition being correspondingly arranged with glass materials in the tube external form and round pore 420
Form makes glass melts during flowing downstream into discharging die orifice 112 under the guiding function of changeover portion 1131 in each to uniform
The form gradually tapered up, make materials in the tube draw in radial contracting forces it is uniform, thus obtain external form rule and it is internal have it is uniform
The glass materials in the tube of round pore 420.
Referring to Fig. 6, third application, the embodiment of the present application provides a kind of glass materials in the tube drawing process, based on above-mentioned glass
The system of being pulled under glass materials in the tube drawing device 10 carries out vertically.The drawing process includes: to heat glass raw material in feeding device 200
Melting obtains glass melts, and the glass melts that glass melts are introduced to each molding die 110 respectively, which store up, to be received chamber 111 and make glass
Melt floods at least part changeover portion 1131, while being connected the discharging molding glass materials in the tube of die orifice 112 using traction device 300
The traction downwards of continuous ground.
As long as position corresponding with discharging die orifice 112 can generate one in some the insertion glass melts of changeover portion 1131
Fixed transition booster action.Optionally, it floods by at least half of changeover portion 1131 or all into glass melts, makes transition
Section 1131 makes it as far as possible, and axially upper overall length all plays the effect that its transition assists, and is conducive to obtain the glass of pore more evenly
Materials in the tube.
In some alternative embodiments, glass melts are controlled in glass materials in the tube pulling process receives chamber in glass melts storage
Glass melts liquid level 500 in 111 is 60-80cm at a distance from discharging die orifice 112, on the one hand makes to assist mould stick as much as possible
113 changeover portion 1131 can be immersed in glass melts, on the other hand make discharge die orifice 112 at glass melts have and this
The matched pressure of drawing process institute and mobile performance under assisting mould stick 113 to guide.
Through inventor the study found that the temperature of 200 heating melting of feeding device, second end 1133 and the die orifice 112 that discharges
Distance, the hauling speed of traction device 300 are similarly to the radial contracting forces and rule contraction feelings in glass materials in the tube pulling process
Condition tool has a certain impact, and the mutually coordinated cooperation of three.
In some possible embodiments, the temperature of 200 heating melting of feeding device is 1300-1400 DEG C, using tank furnace
Carry out heating melting when be refer to control furnace temperature be 1300-1400 DEG C or 1320-1380 DEG C or 1340-1360 DEG C, such as but
Be not limited to 1300 DEG C, 1310 DEG C, 1320 DEG C, 1330 DEG C, 1340 DEG C, 1350 DEG C, 1360 DEG C, 1370 DEG C, 1380 DEG C, 1390 DEG C,
1400℃。
Optionally, second end 1133 is 20-30cm or 22-28cm or 24-26cm, example at a distance from discharging die orifice 112
Such as, but not limited to, 20cm, 21cm, 22cm, 23cm, 24cm, 25cm, 26cm, 27cm, 28cm, 29cm, 30cm.
Further alternative, the hauling speed of traction device 300 is 1-4m/min or 2-3m/min, such as, but not limited to
1m/min,2m/min,3m/min,4m/min.Such as when using traction wheel diameter for the dragger of 200mm specification as traction
When device 300, adjusting dragger revolving speed is 300-1200r/min.
In glass materials in the tube pulling process, glass materials in the tube can also be further increased by the raw material of glass materials in the tube and drawn
The uniformity of radial contraction in journey.
In some alternative embodiments, the raw material of glass materials in the tube ontology is carried out for example, by using according to following weight ratio
The material of configuration: 40-65 parts of quartz sand, 2-10 parts of zinc oxide, 1.5-3.5 parts of sodium nitrate, 10-25 parts of soda ash, calcium carbonate 0.8-
2.5 parts and 0.05-0.35 parts of clarifying agent.
When drawing the triangular glass materials in the tube 400 for being used for thermometer, it usually needs incorporate reflection glaze band in glass materials in the tube
410 and/or coloured glaze band 410, or the glaze silk with marked effect.When incorporating glaze band 410, since glaze band 410 is larger, need
Glaze it is more, be optionally passed through in molding die 110 with the glaze of melting and guarantee that glaze can be melted sufficiently, each glass is former
Material incorporates then flow out tank furnace or crucible by respective die orifice respectively, and the glass melts of molten state is made to exist during outflow
The position that glass melts storage is received in chamber 111 close to 112 top of discharging die orifice is sticked together, be then out molding die 110 into
Row is drawn.Or when needing to be embedded in glaze silk, since glaze silk is usually relatively thin, the dosage of glaze is less, can directly be melted in glass
In melt, therefore the glaze stick for forming glaze silk is directly optionally passed through into glaze die orifice insertion outflow tank furnace or earthenware when being embedded in glaze silk
Melt in the glass melts of crucible, is then drawn the glass melts being sticked together outflow molding die 110.
In some alternative embodiments, to white glaze band 410 is added in glass materials in the tube, white glaze band 410
Raw material is for example, by using the material configured according to following weight ratio: 55-65 parts of quartz sand, 4-8 parts of zinc oxide, sodium nitrate
2-3 parts, 12-18 parts of soda ash, 4-7 parts of aluminium oxide, 1-2 parts of calcium carbonate and 8-10 parts of ammonium fluosilicate.For example, 60 parts of quartz sand,
6.3 parts of zinc oxide, 2.5 parts of sodium nitrate, 14.49 parts of soda ash, 5.57 parts of aluminium oxide, 1.67 parts of calcium carbonate and ammonium fluosilicate 8.84
Part.
To yellow glaze band 410 is added in glass materials in the tube, the raw material of yellow glaze band 410 is for example, by using according to following heavy
The material that is configured of amount part ratio: 90-100 parts of quartz sand, 22-28 parts of soda ash, 7-10 parts of zinc oxide, 13-16 parts of calcium carbonate,
2.5-3.5 parts of aluminium oxide, 7-9 parts of borax, 4-6 parts of sodium nitrate, 4-5 parts of barium carbonate and 11-14 parts of cadmium yellow.For example, quartz sand
95 parts, 25 parts of soda ash, 8.6 parts of zinc oxide, 15 parts of calcium carbonate, 2.85 parts of aluminium oxide, 8.1 parts of borax, 5 parts of sodium nitrate, barium carbonate
4.7 parts and 12.3 parts of cadmium yellow.
The foregoing is merely preferred embodiment of the present application, are not intended to limit this application, for the skill of this field
For art personnel, various changes and changes are possible in this application.Within the spirit and principles of this application, made any to repair
Change, equivalent replacement, improvement etc., should be included within the scope of protection of this application.
Claims (10)
1. a kind of glass materials in the tube draw component characterized by comprising
There is inside the molding die molding die glass melts storage to receive chamber and bottom through offering and the glass melts
Storage receive chamber connection discharging die orifice；And
Mould stick is assisted, the bottom end of the auxiliary mould stick has changeover portion, and the changeover portion is arranged at intervals at the discharging die orifice
Close to glass melts storage receive chamber side and be coaxially disposed with the discharging die orifice, the changeover portion is configured to separate institute
State second end smooth contraction transitional structure of the first end of discharging die orifice to the close discharging die orifice, the cross of the first end
The inward flange of the outer edge in section and the discharging die orifice is correspondingly arranged, and the cross section of the second end is round, and described second
The projection of end in its axial direction is located in the projection of the inward flange of the discharging die orifice in its axial direction.
2. glass materials in the tube according to claim 1 draw component, which is characterized in that the close glass of the discharging die orifice
One end of chamber is received in the storage of glass melt has transition part, and the inner wall of the transition part is configured to and the outside wall parallel of the changeover portion
Structure.
3. glass materials in the tube according to claim 1 draw component, which is characterized in that the changeover portion axial length with it is described
Second end diameter ratio is 300-400:20-30, and the inward flange projection in its axial direction of the discharging die orifice is located at described the
Outside the projection of one end in its axial direction.
4. glass materials in the tube according to claim 1-3 draw component, which is characterized in that the first end it is transversal
The cross section of the inward flange of face and the discharging die orifice is the triangle that three sides respectively correspond setting.
5. glass materials in the tube according to claim 1 draw component, which is characterized in that be connected at the top of the first end solid
Determine section, it further includes adjusting component that the glass materials in the tube, which draw component, and the adjusting component is connect with fixed section, so that the transition
Section is along its axial movement.
6. glass materials in the tube according to claim 5 draw component, which is characterized in that the fixed section and the changeover portion are same
Axis setting, the fixed section are axially slidably disposed through the top of the molding die along it, and the adjusting component is
The end that elevating mechanism, the output end of the elevating mechanism and the fixed section stretch out the molding die is sequentially connected.
7. glass materials in the tube according to claim 1 draw component, which is characterized in that the changeover portion is quartz glass bar.
8. a kind of glass materials in the tube drawing device characterized by comprising
The described in any item glass materials in the tube of at least one claim 1-7 draw component；
Feeding device, the feeding device is for molten raw and respectively to the institute of each glass materials in the tube drawing component
State glass melts storage receive chamber introduce glass melts；And
Traction device, the traction device are set to the bottom that at least one described glass materials in the tube draw the discharging die orifice of component,
It is drawn for the glass materials in the tube of the discharging die orifice to be axially facing the direction far from the discharging die orifice along it.
9. a kind of glass materials in the tube drawing process based on glass materials in the tube drawing device according to any one of claims 8, which is characterized in that packet
It includes:
By glass raw material, heating melting obtains the glass melts in the feeding device, and the glass melts are introduced respectively
The glass melts storage of each molding die, which is received, chamber and makes the glass melts flood at least part changeover portion,
The molding glass materials in the tube of the discharging die orifice are continuously drawn downwards using the traction device simultaneously.
10. glass materials in the tube drawing process according to claim 9, which is characterized in that the feeding device heating melting
Temperature is 1300-1400 DEG C, and the second end is 20-30cm, the traction of the traction device at a distance from the discharging die orifice
Speed is 1-4m/min；And/or the glass melts receive liquid level in chamber and the discharging die orifice in glass melts storage
Distance is 60-80cm.
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| CN107188394A (en) * | 2017-07-25 | 2017-09-22 | 成都光明派特贵金属有限公司 | Glass discharge nozzle drawing module, glass discharging pipe manufacturing method and glass discharge nozzle |
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| JPS53143621A (en) * | 1977-05-20 | 1978-12-14 | Dantani Plywood Co | Production of dual glass |
| CN101139159A (en) * | 2007-08-03 | 2008-03-12 | 东南大学 | Flat glass tube preparing method and molding drawplate |
| CN201074206Y (en) * | 2007-08-03 | 2008-06-18 | 东南大学 | Forming drawing-die for manufacturing flat glass tube |
| US20110113829A1 (en) * | 2008-06-27 | 2011-05-19 | Heraeus Quarzglas Gmbh & Co. Kg | Method and apparatus for producing a quartz glass cylinder |
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