CN107500526A - A kind of preform heating furnace with regulatory function being heated evenly - Google Patents
A kind of preform heating furnace with regulatory function being heated evenly Download PDFInfo
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- CN107500526A CN107500526A CN201710967909.8A CN201710967909A CN107500526A CN 107500526 A CN107500526 A CN 107500526A CN 201710967909 A CN201710967909 A CN 201710967909A CN 107500526 A CN107500526 A CN 107500526A
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- heater
- bar
- motor
- heating furnace
- regulatory function
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B37/00—Manufacture or treatment of flakes, fibres, or filaments from softened glass, minerals, or slags
- C03B37/01—Manufacture of glass fibres or filaments
- C03B37/02—Manufacture of glass fibres or filaments by drawing or extruding, e.g. direct drawing of molten glass from nozzles; Cooling fins therefor
- C03B37/025—Manufacture of glass fibres or filaments by drawing or extruding, e.g. direct drawing of molten glass from nozzles; Cooling fins therefor from reheated softened tubes, rods, fibres or filaments, e.g. drawing fibres from preforms
- C03B37/029—Furnaces therefor
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Resistance Heating (AREA)
Abstract
The present invention relates to a kind of preform heating furnace with regulatory function being heated evenly,Including elevating mechanism,Body of heater and governor motion,Elevating mechanism includes driver element,Fixed block,Movable block,Expansion bracket and conflict bar,Governor motion includes annulus,First motor,Drive gear,At least two reinforcing bars and at least two driven tooths,Two fastening assemblies and at least two lasers are provided with body of heater,The preform heating furnace with regulatory function being heated evenly drives body of heater to rotate by governor motion,Rotate periphery of the laser along preform,It is uniformly heated,Ensure that preform bottom is heated evenly,Moreover,By the power for changing laser,Adjust the speed of the second motor in driver element,So as to control rate travel of the movable block to fixed block,And then change the decrease speed for contradicting bar,So as to have adjusted the decrease speed of preform,Realize regulatory function,Improve the practicality of equipment.
Description
Technical field
The present invention relates to field of optical fiber equipment, more particularly to a kind of preform with regulatory function being heated evenly
Heating furnace.
Background technology
Fibre-optical drawing is also known as wire drawing, is that prefabricated rods are increased temperature into melting by wire drawing machine and pull into the optical fiber that external diameter is 125um
Process.Operationally, prefabricated rods in the heating furnace on wire drawing machine top, furnace temperature rises to about 2200 degrees Celsius, barred body point
The viscosity at end, by conducting oneself with dignity, gradually sagging attenuate is solidified as bare fibre, bare fibre by laser diameter measurement subsequently into coating
System, the optical fiber of coating through carry-over pinch rolls again on roller, so as to complete the process of fibre-optical drawing.
It is general to use the resistance furnace provided with carbon heater and adopt in the heating furnace as optical fiber preform manufacturing apparatus
Heated with the mode being directly powered to carbon heater.Due to the resistance difference in distribution inside carbon heater, easily there is heating furnace heat
Skewness, and the preform section for causing to manufacture is changed into ellipse so as to become not by heating furnace heat distribution inequality
Non-defective unit, moreover, in existing smooth pricker manufacturing process, because preform relies on, self gravitation is sagging to turn into naked light
Fibre, cause the translational speed that preform can not be adjusted in production process, have impact on production efficiency.
The content of the invention
The technical problem to be solved in the present invention is：For overcome the deficiencies in the prior art, there is provided a kind of tool being heated evenly
There is the preform heating furnace of regulatory function.
The technical solution adopted for the present invention to solve the technical problems is：A kind of light with regulatory function being heated evenly
Fine prefabricated rods heating furnace, including base, top plate, elevating mechanism, body of heater, feed pipe, discharge nozzle, governor motion and two pillars,
Two pillars are separately positioned on the both sides of base, and the bottom of the pillar is fixed on base, and the top plate is erected at two branch
On post, the body of heater and governor motion are arranged at the top of base, and the governor motion is connected with body of heater, the charging
Pipe is arranged on the top of body of heater, and the discharge nozzle is arranged on the top of body of heater, and the feed pipe and discharge nozzle connect with body of heater,
The elevating mechanism is arranged between top and feed pipe；
The elevating mechanism includes driver element, fixed block, movable block, expansion bracket, conflict bar and two connecting rods, the drive
Moving cell is connected with movable block, and the fixed block is fixed on the lower section of top plate, and the side on the top of the expansion bracket is with consolidating
Determine block to be hinged, opposite side and the movable block on the top of the expansion bracket are hinged, and the both sides of the bottom of the expansion bracket pass through respectively
Two connecting rods are connected with contradicting the bottom of bar；
It is driven that the governor motion includes annulus, the first motor, drive gear, at least two reinforcing bars and at least two
Tooth, first motor are fixed on the top of base, and first motor is connected with drive gear, the drive gear position
In the side of annulus, the body of heater is located in annulus, and the reinforcing bar is circumferentially evenly distributed on the inner side of annulus, the body of heater
Outer wall is fixedly connected by reinforcing bar with the inwall of annulus, and the driven tooth is circumferentially evenly distributed on the periphery of annulus, it is described from
Moving teeth engages with drive gear；
Two fastening assemblies and at least two lasers are provided with the body of heater, the laser is located under fastening assembly
Side, the fastening assembly include fastening block and some fastening units, and the fastening block is connected by the inwall of fastening unit and body of heater
Connect, the top of the side of the close body of heater axis of the fastening block is provided with breach, and the laser is circumferentially evenly distributed on body of heater
Inwall on.
Preferably, in order to drive movable block to move, the driver element includes the second motor and the second drive shaft, described
Second motor is located at the side of the remote fixed block of movable block, and second motor is fixed on the lower section of top plate, and described second drives
Moving axis is arranged between the second motor and fixed block, and second motor and the second drive shaft are connected, second driving
The periphery of axle is provided with external screw thread, and the movable block is set in the second drive shaft, and internal thread, the shifting are provided with the movable block
Internal thread in motion block matches with the external screw thread in the second drive shaft.Second motor operation, the second drive shaft is driven along wherein
Mandrel line rotates, the internal thread interaction in the external screw thread and movable block in the second drive shaft, so as to drive movable block to move.
Preferably, the characteristics of driving precision high using brshless DC motor, in order to accurately control the rotating speed of the second motor,
Second motor is brshless DC motor.
Preferably, steadily being moved to ensure to contradict bar in the vertical direction, the both sides on the top for contradicting bar are set
There is balanced component, the balanced component includes side lever, slip ring and slide bar, and the slip ring is fixed by side lever with contradicting the top of bar
Connection, the slip ring are set on slide bar, and the top of the slide bar is fixed on the lower section of top plate.
Preferably, being rotated for the ease of body of heater, the lower section of the body of heater is circumferential at least provided with two steel balls, the steel ball
It is evenly distributed on the lower section of body of heater.
Preferably, in order to ensure that annulus rotates along its center axis, the periphery of the annulus is provided with some spacing groups
Part, the limit assembly is evenly distributed on the semicircle side face of annulus, and the limit assembly includes pole and position limited gear, institute
The bottom for stating pole is fixed on base, and the position limited gear is arranged on the top of pole, and the position limited gear is nibbled with driven tooth
Close.
Preferably, in order that two fastening blocks are close to each other is easy to step up preform, the fastening unit includes
Sleeve pipe and anchorage bar, described sleeve pipe are fixed on the inwall of body of heater, and one end of the anchorage bar is fixedly connected with fastening block, described
The other end of anchorage bar is arranged in sleeve pipe, is provided with spring in described sleeve pipe, the bottom company in one end and sleeve pipe of the spring
Connect, the other end of the spring is connected with anchorage bar, and the spring is in compressive state.Spring in compressive state is in order to extensive
Complex deformation, anchorage bar is produced to the active force away from sleeve pipe direction, so as to drive the fastening block in two fastening assemblies mutual
It is close, it is easy to clamp preform
Preferably, in order to fix the moving direction of anchorage bar, retainer ring is additionally provided with described sleeve pipe, the retainer ring is consolidated
It is scheduled on the inwall of sleeve pipe, the Fixing shrink ring is located on anchorage bar.
Preferably, being flowed out for the ease of the fiber optic materials of molten condition from discharge nozzle, the bottom in the body of heater is erected
To the V-arrangement that is shaped as in section, the opening upwards in the V-arrangement section.
Preferably, in order to ensure the steadiness for stating annulus, reinforcing bar connects with body of heater, the annulus, reinforcing bar and stove
Body is formed in one structure.
In order to when being heated to preform, ensure that the bottom of preform is heated evenly, and can adjust
The translational speed of preform is saved, so as to improve the optical fiber quality of manufacture, preform is inserted in feed pipe first, led to
The movement of elevating mechanism control preform in the vertical direction is crossed, in elevating mechanism, movable block is controlled by driver element
Movement, make direction of the movable block along the second drive shaft close to fixed block, so that expansion bracket stretches, in two balanced components
Position-limiting action under, the bottom of conflict bar is touched the top of preform, drive preform to move down, make light
The bottom of fine prefabricated rods is inserted between the fastening block of two fastening assemblies, and continues to move down, then below fastening assembly
Laser is run, and the bottom of preform is heated by launching laser, the bottom of preform is in melting
State, in order to ensure homogeneous heating, drive body of heater to rotate by governor motion, make laser in body of heater along preform
Periphery rotate and heated, in governor motion, the first motor driven drive gear rotation, by with the driven tooth on annulus
Interaction, so that annulus rotates, because the inwall of annulus is fixedly connected by reinforcing bar with the outer wall of body of heater, so that stove
Body is rotated, and drives the laser in body of heater to rotate, and the periphery of preform is heated, and ensures to be heated evenly.Pass through
Control the laser emitting power of laser, adjust the melting rate of preform, at the same the lifting laser below top plate according to
The rotating speed of the motor of power adjusting second of laser, so as to control translational speed of the movable block to fixed block, and then adjust and contradict
The decrease speed of bar, change the speed of preform, realize regulatory function, improve the practicality of equipment.
The invention has the advantages that the preform heating furnace with regulatory function being heated evenly passes through regulation
Mechanism drives body of heater to rotate, and rotates periphery of the laser along preform, it is uniformly heated, ensure optical fiber prefabricating
Rod bottom is heated evenly, and moreover, by changing the power of laser, adjusts the speed of the second motor in driver element, from
And rate travel of the movable block to fixed block is controlled, and then the decrease speed for contradicting bar is changed, so as to have adjusted optical fiber prefabricating
The decrease speed of rod, realizes regulatory function, improves the practicality of equipment.
Brief description of the drawings
The present invention is further described with reference to the accompanying drawings and examples.
Fig. 1 is the structural representation of the preform heating furnace with regulatory function being heated evenly of the present invention；
Fig. 2 is the vertical view of the governor motion of the preform heating furnace with regulatory function being heated evenly of the present invention
Figure；
Fig. 3 is the structure of the elevating mechanism of the preform heating furnace with regulatory function being heated evenly of the present invention
Schematic diagram；
Fig. 4 is the sectional view of the body of heater of the preform heating furnace with regulatory function being heated evenly of the present invention；
In figure：1. base, 2. top plates, 3. bodies of heater, 4. feed pipes, 5. discharge nozzles, 6. pillars, 7. fixed blocks, 8. movable blocks,
9. expansion bracket, 10. contradict bar, and 11. connecting rods, 12. annulus, 13. first motors, 14. drive gears, 15. reinforcing bars, 16. is driven
Tooth, 17. lasers, 18. fastening blocks, 19. second motors, 20. second drive shafts, 21. side levers, 22. slip rings, 23. slide bars, 24.
Steel ball, 25. poles, 26. position limited gears, 27. sleeve pipes, 28. anchorage bars, 29. springs, 30. retainer rings.
Embodiment
In conjunction with the accompanying drawings, the present invention is further explained in detail.These accompanying drawings are simplified schematic diagram, only with
Illustration illustrates the basic structure of the present invention, therefore it only shows the composition relevant with the present invention.
As Figure 1-Figure 4, a kind of preform heating furnace with regulatory function being heated evenly, including base 1,
Top plate 2, elevating mechanism, body of heater 3, feed pipe 4, discharge nozzle 5, governor motion and two pillars 6, two pillars 6 are separately positioned on
The both sides of base 1, the bottom of the pillar 6 are fixed on base 1, and the top plate 2 is erected on two pillars 6, the body of heater 3
The top of base 1 is arranged at governor motion, the governor motion is connected with body of heater 3, and the feed pipe 4 is arranged on stove
The top of body 3, the discharge nozzle 5 are arranged on the top of body of heater 3, and the feed pipe 4 and discharge nozzle 5 connect with body of heater 3, described
Elevating mechanism is arranged between top and feed pipe 4；
The elevating mechanism includes driver element, fixed block 7, movable block 8, expansion bracket 9, conflict bar 10 and two connecting rods
11, the driver element is connected with movable block 8, and the fixed block 7 is fixed on the lower section of top plate 2, the top of the expansion bracket 9
The side at end is be hinged with fixed block 7, and the opposite side and movable block 8 on the top of the expansion bracket 9 are be hinged, the bottom of the expansion bracket 9
The both sides at end are connected by two connecting rods 11 with contradicting the bottom of bar 10 respectively；
The governor motion includes annulus 12, the first motor 13, drive gear 14, at least two reinforcing bars 15 and at least two
Individual driven tooth 16, first motor 13 are fixed on the top of base 1, and first motor 13 connects with the transmission of drive gear 14
Connect, the drive gear 14 is located at the side of annulus 12, and the body of heater 3 is located in annulus 12, and the reinforcing bar 15 is circumferential uniformly
The inner side of annulus 12 is distributed in, the outer wall of the body of heater 3 is fixedly connected by reinforcing bar 15 with the inwall of annulus 12, described driven
The circumferential periphery for being evenly distributed on annulus 12 of tooth 16, the driven tooth 16 engage with drive gear 14；
Two fastening assemblies and at least two lasers 17 are provided with the body of heater 3, the laser 17 is located at fastening group
The lower section of part, the fastening assembly include fastening block 18 and some fastening units, and the fastening block 18 passes through fastening unit and stove
The inwall connection of body 3, the top of the side of the axis of close body of heater 3 of the fastening block 18 is provided with breach, the laser 17 weeks
To being evenly distributed on the inwall of body of heater 3.
Preferably, in order to drive movable block 8 to move, the driver element includes the second motor 19 and the second drive shaft
20, second motor 19 is located at the side of the remote fixed block 7 of movable block 8, and second motor 19 is fixed under top plate 2
Side, second drive shaft 20 are arranged between the second motor 19 and fixed block 7, the drive shaft 20 of the second motor 19 and second
Drive connection, the periphery of second drive shaft 20 are provided with external screw thread, and the movable block 8 is set in the second drive shaft 20, institute
State and internal thread is provided with movable block 8, the internal thread in the movable block 8 matches with the external screw thread in the second drive shaft 20.The
Two motors 19 are run, and drive the second drive shaft 20 to be rotated along its center axis, the external screw thread in the second drive shaft 20 and movable block 8
Interior internal thread interaction, so as to drive movable block 8 to move.
Preferably, the characteristics of driving precision high using brshless DC motor, in order to accurately control turning for the second motor 19
Speed, second motor 19 are brshless DC motor.
Preferably, steadily moved to ensure to contradict the in the vertical direction of bar 10, the two of the top for contradicting bar 10
Side is provided with balanced component, and the balanced component includes side lever 21, slip ring 22 and slide bar 23, and the slip ring 22 is by side lever 21 with supporting
The top of feeler lever 10 is fixedly connected, and the slip ring 22 is set on slide bar 23, and the top of the slide bar 23 is fixed under top plate 2
Side.
Preferably, being rotated for the ease of body of heater 3, the lower section of the body of heater 3 is at least provided with two steel balls 24, the steel ball
The 24 circumferential lower sections for being evenly distributed on body of heater 3.
Preferably, in order to ensure that annulus 12 rotates along its center axis, the periphery of the annulus 12 is provided with some limits
Hyte part, the limit assembly is evenly distributed on the semicircle side face of annulus 12, and the limit assembly includes pole 25 and spacing
Gear 26, the bottom of the pole 25 are fixed on base 1, and the position limited gear 26 is arranged on the top of pole 25, the limit
Position gear 26 engages with driven tooth 16.
Preferably, in order that two fastening blocks 18 are close to each other is easy to step up preform, the fastening unit bag
Sleeve pipe 27 and anchorage bar 28 are included, described sleeve pipe 27 is fixed on the inwall of body of heater 3, one end and the fastening block 18 of the anchorage bar 28
It is fixedly connected, the other end of the anchorage bar 28 is arranged in sleeve pipe 27, and spring 29, the spring 29 are provided with described sleeve pipe 27
One end be connected with the bottom in sleeve pipe 27, the other end of the spring 29 is connected with anchorage bar 28, the spring 29 be in pressure
Contracting state.Spring 29 in compressive state produces to the effect away from the direction of sleeve pipe 27 to recover deformation to anchorage bar 28
Power, so as to drive the fastening block 18 in two fastening assemblies close to each other, it is easy to clamp preform
Preferably, in order to fix the moving direction of anchorage bar 28, retainer ring 30 is additionally provided with described sleeve pipe 27, it is described solid
Determine ring 30 to be fixed on the inwall of sleeve pipe 27, the retainer ring 30 is set on anchorage bar 28.
Preferably, flowed out for the ease of the fiber optic materials of molten condition from discharge nozzle 5, the bottom in the body of heater 3
Vertical cross-section is shaped as V-arrangement, the opening upwards in the V-arrangement section.
Preferably, in order to ensure to state the steadiness that annulus 12, reinforcing bar 15 and body of heater 3 connect, the annulus 12, reinforce
Bar 15 and body of heater 3 are formed in one structure.
In order to when being heated to preform, ensure that the bottom of preform is heated evenly, and can adjust
The translational speed of preform is saved, so as to improve the optical fiber quality of manufacture, is first inserted preform in feed pipe 4,
The movement of preform in the vertical direction is controlled by elevating mechanism, in elevating mechanism, is controlled and moved by driver element
The movement of block 8, make direction of the movable block 8 along the second drive shaft 20 close to fixed block 7, so that expansion bracket 9 is flexible, at two
Under the position-limiting action of balanced component, the bottom of conflict bar 10 is touched the top of preform, drive preform to
Lower movement, the bottom of preform is inserted between the fastening block 18 of two fastening assemblies, and continue to move down, then tightly
Gu the laser 17 below component is run, the bottom of preform is heated by launching laser, makes preform
Bottom be in molten condition, in order to ensure homogeneous heating, by governor motion drive body of heater 3 rotate, make the laser in body of heater 3
Periphery of the device 17 along preform rotates and heated, and in governor motion, the first motor 13 drives drive gear 14 to revolve
Turn, by being interacted with the driven tooth 16 on annulus 12, so that annulus 12 rotates, because the inwall of annulus 12 passes through reinforcing
Bar 15 is fixedly connected with the outer wall of body of heater 3, so that body of heater 3 rotates, drives the laser 17 in body of heater 3 to rotate, and to optical fiber
The periphery of prefabricated rods is heated, and ensures to be heated evenly.By controlling the laser emitting power of laser 17, optical fiber prefabricating is adjusted
The melting rate of rod, while rotating speed of the laser according to the second motor of power adjusting 19 of laser 17 is lifted below top plate 2, from
And movable block 8 is controlled to the translational speed of fixed block 7, and then the decrease speed for contradicting bar 10 is adjusted, make the speed of preform
Degree changes, and realizes regulatory function, improves the practicality of equipment.
Compared with prior art, the preform heating furnace with regulatory function being heated evenly passes through governor motion
Drive body of heater 3 to rotate, rotate periphery of the laser 17 along preform, it is uniformly heated, ensure optical fiber prefabricating
Rod bottom is heated evenly, and moreover, by changing the power of laser 17, adjusts the speed of the second motor 19 in driver element
Rate, so as to control movable block 8 to the rate travel of fixed block 7, and then the decrease speed for contradicting bar 10 is changed, so as to have adjusted
The decrease speed of preform, realizes regulatory function, improves the practicality of equipment.
It is complete by above-mentioned description, relevant staff using the above-mentioned desirable embodiment according to the present invention as enlightenment
Various changes and amendments can be carried out without departing from the scope of the technological thought of the present invention' entirely.The technology of this invention
Property scope is not limited to the content on specification, it is necessary to determines its technical scope according to right.
Claims (10)
1. a kind of preform heating furnace with regulatory function being heated evenly, it is characterised in that including base (1), top
Plate (2), elevating mechanism, body of heater (3), feed pipe (4), discharge nozzle (5), governor motion and two pillars (6), two pillars (6)
The both sides of base (1) are separately positioned on, the bottom of the pillar (6) is fixed on base (1), and the top plate (2) is erected at two
On individual pillar (6), the body of heater (3) and governor motion are arranged at the top of base (1), the governor motion and body of heater (3)
Drive connection, the feed pipe (4) are arranged on the top of body of heater (3), and the discharge nozzle (5) is arranged on the top of body of heater (3), institute
State feed pipe (4) and discharge nozzle (5) connects with body of heater (3), the elevating mechanism is arranged between top and feed pipe (4)；
The elevating mechanism includes driver element, fixed block (7), movable block (8), expansion bracket (9), conflict bar (10) and two companies
Bar (11), the driver element are connected with movable block (8), and the fixed block (7) is fixed on the lower section of top plate (2), described
The side on the top of expansion bracket (9) is be hinged with fixed block (7), and opposite side and the movable block (8) on the top of the expansion bracket (9) are cut with scissors
Connect, the both sides of the bottom of the expansion bracket (9) are connected by two connecting rods (11) with contradicting the bottom of bar (10) respectively；
The governor motion includes annulus (12), the first motor (13), drive gear (14), at least two reinforcing bars (15) and extremely
Few two driven tooths (16), first motor (13) are fixed on the top of base (1), first motor (13) and sliding tooth
(14) drive connection is taken turns, the drive gear (14) is located at the side of annulus (12), and the body of heater (3) is located in annulus (12),
The reinforcing bar (15) is circumferentially evenly distributed on the inner side of annulus (12), the outer wall of the body of heater (3) by reinforcing bar (15) with
The inwall of annulus (12) is fixedly connected, and the driven tooth (16) is circumferentially evenly distributed on the periphery of annulus (12), the driven tooth
(16) engaged with drive gear (14)；
Two fastening assemblies and at least two lasers (17) are provided with the body of heater (3), the laser (17) is positioned at fastening
The lower section of component, the fastening assembly include fastening block (18) and some fastening units, and the fastening block (18) is single by fastening
Member is connected with the inwall of body of heater (3), and the top of the side of close body of heater (3) axis of the fastening block (18) is provided with breach, institute
Laser (17) is stated circumferentially to be evenly distributed on the inwall of body of heater (3).
2. the preform heating furnace with regulatory function being heated evenly as claimed in claim 1, it is characterised in that institute
Stating driver element includes the second motor (19) and the second drive shaft (20), and second motor (19) is located at the remote of movable block (8)
From the side of fixed block (7), second motor (19) is fixed on the lower section of top plate (2), and second drive shaft (20) is set
Between the second motor (19) and fixed block (7), second motor (19) and the second drive shaft (20) are connected, and described the
The periphery of two drive shafts (20) is provided with external screw thread, and the movable block (8) is set in the second drive shaft (20), the movable block
(8) it is provided with internal thread in, the internal thread in the movable block (8) matches with the external screw thread in the second drive shaft (20).
3. the preform heating furnace with regulatory function being heated evenly as claimed in claim 1, it is characterised in that institute
It is brshless DC motor to state the second motor (19).
4. the preform heating furnace with regulatory function being heated evenly as claimed in claim 1, it is characterised in that institute
The both sides for stating the top for contradicting bar (10) are provided with balanced component, and the balanced component includes side lever (21), slip ring (22) and slide bar
(23), the slip ring (22) is fixedly connected by side lever (21) with contradicting the top of bar (10), and the slip ring (22) is set in cunning
On bar (23), the top of the slide bar (23) is fixed on the lower section of top plate (2).
5. the preform heating furnace with regulatory function being heated evenly as claimed in claim 1, it is characterised in that institute
The lower section for stating body of heater (3) is circumferentially evenly distributed on the lower section of body of heater (3) at least provided with two steel balls (24), the steel ball (24).
6. the preform heating furnace with regulatory function being heated evenly as claimed in claim 1, it is characterised in that institute
The periphery for stating annulus (12) is provided with some limit assemblies, the limit assembly is evenly distributed on the semicircle side face of annulus (12)
On, the limit assembly includes pole (25) and position limited gear (26), and the bottom of the pole (25) is fixed on base (1),
The position limited gear (26) is arranged on the top of pole (25), and the position limited gear (26) is engaged with driven tooth (16).
7. the preform heating furnace with regulatory function being heated evenly as claimed in claim 1, it is characterised in that institute
Stating fastening unit includes sleeve pipe (27) and anchorage bar (28), and described sleeve pipe (27) is fixed on the inwall of body of heater (3), the fastening
One end of bar (28) is fixedly connected with fastening block (18), and the other end of the anchorage bar (28) is arranged in sleeve pipe (27), described
Spring (29) is provided with sleeve pipe (27), one end of the spring (29) is connected with the bottom in sleeve pipe (27), the spring (29)
The other end be connected with anchorage bar (28), the spring (29) is in compressive state.
8. the preform heating furnace with regulatory function being heated evenly as claimed in claim 7, it is characterised in that institute
State in sleeve pipe (27) and be additionally provided with retainer ring (30), the retainer ring (30) is fixed on the inwall of sleeve pipe (27), the retainer ring
(30) it is set on anchorage bar (28).
9. the preform heating furnace with regulatory function being heated evenly as claimed in claim 1, it is characterised in that institute
State the V-arrangement that is shaped as of the vertical cross-section of the bottom in body of heater (3), the opening upwards in the V-arrangement section.
10. the preform heating furnace with regulatory function being heated evenly as claimed in claim 1, it is characterised in that
The annulus (12), reinforcing bar (15) and body of heater (3) are formed in one structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710967909.8A CN107500526A (en) | 2017-10-18 | 2017-10-18 | A kind of preform heating furnace with regulatory function being heated evenly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710967909.8A CN107500526A (en) | 2017-10-18 | 2017-10-18 | A kind of preform heating furnace with regulatory function being heated evenly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107500526A true CN107500526A (en) | 2017-12-22 |
Family
ID=60701948
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710967909.8A Withdrawn CN107500526A (en) | 2017-10-18 | 2017-10-18 | A kind of preform heating furnace with regulatory function being heated evenly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107500526A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111499181A (en) * | 2020-05-19 | 2020-08-07 | 田朝阳 | Processing device for 5G optical fiber |
-
2017
- 2017-10-18 CN CN201710967909.8A patent/CN107500526A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111499181A (en) * | 2020-05-19 | 2020-08-07 | 田朝阳 | Processing device for 5G optical fiber |
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Application publication date: 20171222 |
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| WW01 | Invention patent application withdrawn after publication |