CN113432436B - Machining process of core rod - Google Patents
Machining process of core rod Download PDFInfo
- Publication number
- CN113432436B CN113432436B CN202110745710.7A CN202110745710A CN113432436B CN 113432436 B CN113432436 B CN 113432436B CN 202110745710 A CN202110745710 A CN 202110745710A CN 113432436 B CN113432436 B CN 113432436B
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- core rod
- seat
- mandrel
- rod
- guide rail
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D3/00—Charging; Discharging; Manipulation of charge
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D3/00—Charging; Discharging; Manipulation of charge
- F27D2003/0034—Means for moving, conveying, transporting the charge in the furnace or in the charging facilities
- F27D2003/0059—Means for moving, conveying, transporting the charge in the furnace or in the charging facilities comprising tracks, e.g. rails and wagon
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- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
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Abstract
The application discloses a machining process of a core rod, which comprises the following steps: the coarse mandrel passes through a heating furnace, so that an auxiliary rod at the upper end of the coarse mandrel is limited on an upper rotating seat, an auxiliary rod at the lower end of the coarse mandrel is limited on a lower rotating seat, the coarse mandrel is heated by the heating furnace, and the coarse mandrel is longitudinally extended by the up-down movement of an upper rotating seat or a lower rotating seat to obtain the mandrel; after the extension is finished, the lower rotary seat does not limit the auxiliary rod any more, the lower rotary seat moves downwards to be far away from the core rod, the transfer seat moves horizontally to be right below the core rod along the guide rail direction, and the upper rotary seat moves downwards to enable the auxiliary rod at the lower end of the core rod to extend into the transfer seat; the upper rotary seat does not limit the auxiliary rod of the core rod any more, the upper rotary seat and the heating furnace move upwards to enable the core rod to be completely positioned below the heating furnace, and the transfer seat drives the core rod to translate to a set position. This application is after the plug extension, can shift away the plug through the guide rail that sets up specially with shifting the seat, for artifical the transfer, effectively raises the efficiency, reduces intensity of labour.
Description
Technical Field
The invention relates to the field of optical fiber preforms, in particular to a processing technology of a core rod.
Background
When the core rod is processed, the loose core rod body is firstly deposited, then the loose core rod body is dried and sintered to obtain a thicker core rod, and then the thicker core rod is extended to obtain the core rod with the size meeting the requirement.
In the prior art, in order to guarantee the extension effect, generally extend the operation through the mode of longitudinal extension to the plug, the plug length after stretching can reach 4m, when extending the completion after, need the manual work to lift off the plug from the base, because the plug is longer, the operation degree of difficulty is high.
Disclosure of Invention
The invention provides a processing technology of a core rod aiming at the problems.
The technical scheme adopted by the invention is as follows:
a machining process of a core rod comprises the following steps:
1) Drying the loose core rod body with the auxiliary rod at the upper end, and sintering after drying to obtain a coarse core rod;
2) Welding an auxiliary rod at the lower end of the thick core rod;
3) The coarse mandrel passes through a heating furnace, so that an auxiliary rod at the upper end of the coarse mandrel is limited on an upper rotating seat, an auxiliary rod at the lower end of the coarse mandrel is limited on a lower rotating seat, the coarse mandrel is heated by the heating furnace, and the coarse mandrel is longitudinally extended by the up-down movement of an upper rotating seat or a lower rotating seat to obtain the mandrel;
4) After the extension is finished, the lower rotary seat does not limit the auxiliary rod any more, the lower rotary seat moves downwards to be far away from the core rod, the transfer seat is translated to be under the core rod along the guide rail direction, and the upper rotary seat moves downwards to enable the auxiliary rod at the lower end of the core rod to extend into the transfer seat;
5) The upper rotary seat does not limit the auxiliary rod of the core rod any more, the upper rotary seat and the heating furnace move upwards to enable the core rod to be completely positioned below the heating furnace, and the transfer seat drives the core rod to translate to a set position.
In the machining process of the mandrel, after the mandrel is extended, the mandrel can be transferred away through the specially arranged guide rail and the transfer seat, and compared with manual transfer, the efficiency is effectively improved, and the labor intensity is reduced.
In one embodiment of the present invention, the steps 3) to 5) are performed by an extension apparatus, where the extension apparatus includes:
the heating furnace can move up and down and is used for heating the coarse mandril;
the upper rotating seat is positioned above the heating furnace and used for limiting an auxiliary rod at the upper end of the core rod and driving the core rod to rotate and move up and down;
the lower swivel base is positioned below the heating furnace and used for limiting an auxiliary rod at the lower end of the core rod and driving the core rod to rotate and move up and down;
one end of the guide rail is positioned below the heating furnace;
the transfer seat is arranged on the guide rail in a sliding mode and can move back and forth along the direction of the guide rail;
and the supporting structure is arranged on the transfer seat and comprises a limiting hole, and the limiting hole is used for inserting an auxiliary rod at the lower end of the core rod.
When the device is actually used, the upper rotary seat, the heating furnace and the lower rotary seat can be driven through a gear rack structure or a ball screw pair structure and are precisely driven through a driving element (motor); the transfer seat can also be driven by a gear rack structure or a ball screw pair structure and driven accurately by a driving element (motor).
In one embodiment of the present invention, the supporting structure includes a supporting block, the supporting block is rotatably mounted on the transfer seat through a connecting shaft, the limiting hole is disposed on an upper surface of the supporting block, and the transfer seat has a switching motor for driving the connecting shaft to rotate.
Can drive the supporting shoe through switching motor and rotate, can shift the seat and remove the back that targets in place promptly, switch into the horizontal position with the plug by vertical position.
In an embodiment of the present invention, a plurality of positioning holes are formed on a side of the supporting block facing the transferring seat, a plurality of electrically controlled telescopic elements are formed on the transferring seat, and telescopic rods of the electrically controlled telescopic elements are matched with the corresponding positioning holes.
Through the cooperation of locating hole and automatically controlled telescopic element, can lock the supporting shoe, prevent that the supporting shoe from rocking around the connecting axle, promptly when the telescopic link stretches into the locating hole, the supporting shoe can not rotate, after the telescopic link breaks away from the locating hole, can drive the supporting shoe and rotate under switching motor's effect. In practical application, the electrically controlled telescopic element may be an electromagnet, an electric push rod, etc.
In one embodiment of the present invention, one end of the guide rail located below the heating furnace is a first end, one end of the guide rail away from the heating furnace is a second end, a support rod is rotatably mounted on one side of the support block away from the second end of the guide rail, a self-locking motor is mounted on the support block, the end of the support rod is provided with a flexible portion, and the self-locking motor is configured to drive the support rod to rotate upward, so that the flexible portion abuts against the outer sidewall of the mandrel.
The plug length is longer, and is less with supporting shoe area of contact, and when shifting seat initial start, the plug atress is great, and the plug is fragile or even breaks. The supporting rod can provide supporting force for the outer side wall of the core rod, the core rod is effectively protected, acceleration when the transfer seat is started can be set to be higher, and therefore operation efficiency can be improved.
In one embodiment of the present invention, a pressure sensor is installed in the flexible portion, and when the flexible portion abuts against the core rod and the number of the pressure sensor is greater than a preset threshold value, the self-locking motor stops rotating.
In practice, the shape of the flexible portion is not particularly limited, and preferably, the flexible portion is in the shape of a circular arc in order to increase the force-receiving area.
In one embodiment of the present invention, a storage mechanism is disposed on one side of the second end of the guide rail, and the storage mechanism includes:
a support frame;
the first telescopic element is used for driving the supporting frame to reciprocate along the length direction parallel to the guide rail;
the storage rack is arranged on the support frame in a sliding mode, a plurality of limiting grooves which are arranged in parallel are formed in the storage rack, the limiting grooves are used for placing the core rods, and the length directions of the limiting grooves are perpendicular to the guide rails;
and the second telescopic element is used for driving the storage rack to reciprocate along the length direction vertical to the guide rail.
The switching motor works to drive the supporting block to rotate 90 degrees, so that the core rod is switched from a vertical state to a horizontal state and is embedded into the limiting groove; the first telescopic element can drive the storage rack to move along the length direction parallel to the guide rail, namely different limiting grooves can be switched to be matched with the transfer seat; can drive through the flexible component of second and store the length direction reciprocating motion of frame along the perpendicular to guide rail, can place at the plug level promptly behind the spacing groove, drive the plug level and keep away from spacing hole, realize breaking away from of plug and transfer seat.
In an embodiment of the present invention, a flat-placing mechanism is disposed at the second end of the guide rail, and the flat-placing mechanism includes:
a material placing frame;
the rotating shaft of the rotating motor is connected with the lower end of the discharging frame, the axis of the rotating shaft of the rotating motor is overlapped with the axis of the connecting shaft of the supporting block, and the rotating motor is used for driving the discharging frame to be in a vertical working position or a horizontal working position;
the limiting sleeve is arranged above the material placing frame in a sliding mode and sleeved on the auxiliary rod at the upper end of the core rod;
and the third telescopic element is used for driving the limiting sleeve to reciprocate.
The core rod is longer, and the accident easily appears in the rotation 90 degrees of direct drive by the supporting shoe. The stress effect can be effectively improved by arranging the square mechanism, and the core rod is guaranteed to be reliably switched to the horizontal working position. When the mandrel is in specific work, the third telescopic element works to drive the limiting sleeve to be sleeved on the auxiliary rod at the upper end of the mandrel, then the switching motor and the rotating motor synchronously rotate, the mandrel is driven by the supporting block and the limiting sleeve to rotate for 90 degrees, and the mandrel is placed into the corresponding limiting groove; after the placing is finished, the third telescopic element works to enable the limiting sleeve to be separated from the core rod, and then the second telescopic element drives the storage frame to be far away from the guide rail, so that the core rod is separated from the supporting block.
In one embodiment of the present invention, the material placing frame has an avoiding opening, and when the material placing frame is located at the horizontal working position, the storage frame is embedded into the avoiding opening.
The beneficial effects of the invention are: in the machining process of the mandrel, after the mandrel is extended, the mandrel can be transferred away through the specially arranged guide rail and the transfer seat, and compared with manual transfer, the efficiency is effectively improved, and the labor intensity is reduced.
Description of the drawings:
FIG. 1 is a schematic view of a mandrel bar fabrication process of the present invention;
FIG. 2 is a schematic view of the guide rails, transfer block, storage mechanism and racking mechanism;
fig. 3 is a schematic view of the guide rail, transfer bed, storage mechanism and the placement mechanism from another angle.
The various reference numbers in the figures are:
1. a core rod; 2. an auxiliary rod; 3. rotating the rotary base upwards; 4. a lower rotary seat; 5. a transfer seat; 6. a guide rail; 7. a heating furnace; 8. a limiting hole; 9. a support block; 10. a connecting shaft; 11. an electrically controlled telescopic element; 12. a support bar; 13. a self-locking motor; 14. a flexible portion; 15. a storage mechanism; 16. a support frame; 17. a first telescopic element; 18. a storage shelf; 19. a limiting groove; 20. a second telescoping member; 21. a flat placing mechanism; 22. a material placing frame; 23. a rotating electric machine; 24. a position limiting sleeve; 25. a third telescopic element; 26. avoiding the mouth.
The specific implementation mode is as follows:
the present invention will be described in detail below with reference to the accompanying drawings.
As shown in fig. 1, a machining process of a core rod 1 includes the following steps:
1) Drying the loose core rod body with the auxiliary rod at the upper end, and sintering after drying to obtain a coarse core rod;
2) The auxiliary rod 2 is welded at the lower end of the thick core rod;
3) The coarse mandrel passes through a heating furnace 7, so that an auxiliary rod 2 at the upper end of the coarse mandrel is limited on an upper rotating seat 3, an auxiliary rod 2 at the lower end of the coarse mandrel is limited on a lower rotating seat 4, the coarse mandrel is heated through the heating furnace 7, and the coarse mandrel is longitudinally extended through the up-and-down movement of an upper rotating seat 3 or a lower rotating seat 4, so that a mandrel 1 is obtained;
4) After the extension is finished, the lower swivel base 4 does not limit the auxiliary rod 2 any more, the lower swivel base 4 moves downwards to be far away from the core rod 1, the transfer base 5 is translated to be right below the core rod 1 along the direction of the guide rail 6, and the upper swivel base 3 moves downwards to enable the auxiliary rod 2 at the lower end of the core rod 1 to extend into the transfer base 5;
5) The upper rotary seat 3 does not limit the auxiliary rod 2 of the core rod 1, the upper rotary seat 3 and the heating furnace 7 move upwards, so that the core rod 1 is completely positioned below the heating furnace 7, and the transfer seat 5 drives the core rod 1 to move horizontally to a set position.
In the machining process of the mandrel 1, after the mandrel 1 is extended, the mandrel 1 can be transferred away through the specially arranged guide rail 6 and the transfer seat 5, and compared with manual transfer, the efficiency is effectively improved, and the labor intensity is reduced.
As shown in fig. 2 and 3, in the present embodiment, steps 3) to 5) are performed by an extension apparatus including:
a heating furnace 7 capable of moving up and down, the heating furnace 7 being used for heating the coarse mandril;
the upper rotating base 3 is positioned above the heating furnace 7, and the upper rotating base 3 is used for limiting the auxiliary rod 2 at the upper end of the core rod 1 and driving the core rod 1 to rotate and move up and down;
the lower swivel base 4 is positioned below the heating furnace 7, and the lower swivel base 4 is used for limiting the auxiliary rod 2 at the lower end of the core rod 1 and driving the core rod 1 to rotate and move up and down;
one end of a guide rail 6 which is horizontally arranged is positioned below the heating furnace 7;
a transfer base 5 slidably mounted on the guide rail 6 and capable of reciprocating in the direction of the guide rail 6;
the supporting structure is arranged on the transfer seat 5 and comprises a limiting hole 8, and the limiting hole 8 is used for inserting the auxiliary rod 2 at the lower end of the core rod 1.
When the device is actually used, the upper rotary seat 3, the heating furnace 7 and the lower rotary seat 4 can be driven through a gear rack structure or a ball screw pair structure and are precisely driven through a driving element (motor); the transfer base 5 can also be driven by a rack and pinion arrangement or a ball screw pair arrangement, driven precisely by a drive element (motor).
In this embodiment, the supporting structure includes a supporting block 9, the supporting block 9 is rotatably mounted on the transferring seat 5 through a connecting shaft 10, the limiting hole 8 is disposed on the upper surface of the supporting block 9, and the transferring seat 5 has a switching motor (not shown) for driving the connecting shaft 10 to rotate.
Can drive supporting shoe 9 through the switching motor and rotate, can move the back that targets in place at transfer seat 5 promptly, switch core rod 1 into the level position by vertical position.
In this embodiment, the supporting block 9 has a plurality of positioning holes (not shown) on a side facing the transferring base 5, the transferring base 5 has a plurality of electrically controlled retractable elements 11, and the retractable rods of the electrically controlled retractable elements 11 are matched with the corresponding positioning holes.
Through the cooperation of locating hole and automatically controlled telescopic element 11, can lock supporting shoe 9, prevent that supporting shoe 9 from rocking around connecting axle 10, when the telescopic link stretches into the locating hole promptly, supporting shoe 9 can not rotate, after the telescopic link breaks away from the locating hole, can drive supporting shoe 9 and rotate under switching motor's effect. In practical application, the electrically controlled telescopic element 11 may be an electromagnet, an electric push rod, or the like.
In this embodiment, one end of the guide rail 6 located below the heating furnace 7 is a first end, one end far away from the heating furnace 7 is a second end, one side of the support block 9 far away from the second end of the guide rail 6 is rotatably provided with a support rod 12, the support block 9 is provided with a self-locking motor 13, the end of the support rod 12 is provided with a flexible portion 14, and the self-locking motor 13 is used for driving the support rod 12 to rotate upwards, so that the flexible portion 14 abuts against the outer side wall of the mandrel 1.
The length of the core rod 1 is long, the contact area of the core rod 1 and the supporting block 9 is small, when the transfer seat 5 is started initially, the stress of the core rod 1 is large, and the core rod 1 is easily damaged or even broken. Through setting up bracing piece 12 and can providing a holding power to the lateral wall of plug 1, effectively protect plug 1, acceleration when shifting seat 5 and starting can set up higher to can improve the operating efficiency.
In this embodiment, a pressure sensor is installed in the flexible portion 14, and when the flexible portion 14 abuts against the core rod 1 and the number of the pressure sensor is greater than a preset threshold value, the self-locking motor 13 stops rotating.
In practice, the shape of the flexible portion 14 is not particularly limited, but the flexible portion 14 is preferably rounded in order to increase the force receiving area.
In this embodiment, a storage mechanism 15 is disposed at one side of the second end of the guide rail 6, and the storage mechanism 15 includes:
a support frame 16;
a first telescopic element 17 for driving the support frame 16 to reciprocate along the length direction parallel to the guide rail 6;
the storage rack 18 is arranged on the support frame 16 in a sliding manner, a plurality of limiting grooves 19 which are arranged in parallel are formed in the storage rack 18, the limiting grooves 19 are used for placing the core rods 1, and the length directions of the limiting grooves 19 are perpendicular to the guide rail 6;
and a second telescopic member 20 for driving the storage rack 18 to reciprocate in a direction perpendicular to the length direction of the guide rail 6.
The switching motor works to drive the supporting block 9 to rotate 90 degrees, so that the core rod 1 is switched from a vertical state to a horizontal state and is embedded into the limiting groove 19; the first telescopic element 17 can drive the storage rack 18 to move along the length direction parallel to the guide rail 6, namely different limiting grooves 19 can be switched to be matched with the transfer seat 5; the second telescopic element 20 can drive the storage rack 18 to reciprocate along the length direction perpendicular to the guide rail 6, that is, after the mandrel 1 is horizontally placed in the limiting groove 19, the mandrel 1 is driven to be horizontally far away from the limiting hole 8, and the mandrel 1 is separated from the transfer seat 5.
In this embodiment, the second end of the guide rail 6 is provided with a flat-placing mechanism 21, and the flat-placing mechanism 21 includes:
a discharge frame 22;
the rotating shaft of the rotating motor 23 is connected with the lower end of the discharging frame 22, the axis of the rotating shaft of the rotating motor 23 is overlapped with the axis of the connecting shaft 10 of the supporting block 9, and the rotating motor 23 is used for driving the discharging frame 22 to be in a vertical working position or a horizontal working position;
the limiting sleeve 24 is arranged above the material placing frame 22 in a sliding mode, and the limiting sleeve 24 is used for being sleeved on the auxiliary rod 2 at the upper end of the core rod 1;
and a third telescopic element 25 for driving the stop collar 24 to reciprocate.
The core rod 1 is long and is directly driven by the supporting block 9 to rotate 90 degrees, so that accidents are easy to happen. The stress effect can be effectively improved by arranging the square mechanism, and the core rod 1 is ensured to be reliably switched to the horizontal working position. When the device works, the third telescopic element 25 works to drive the limiting sleeve 24 to be sleeved on the auxiliary rod 2 at the upper end of the core rod 1, then the switching motor and the rotating motor 23 rotate synchronously, and the supporting block 9 and the limiting sleeve 24 drive the core rod 1 to rotate 90 degrees and place the core rod into the corresponding limiting groove 19; after the placement is completed, the third telescopic element 25 works to separate the stop collar 24 from the mandrel 1, and then the second telescopic element 20 drives the storage rack 18 to be far away from the guide rail 6, so that the mandrel 1 is separated from the support block 9.
In this embodiment, the material placing frame 22 has an avoiding opening 26, and when the material placing frame 22 is at the horizontal working position, the storage frame 18 is inserted into the avoiding opening 26.
The above description is only for the preferred embodiment of the present invention and is not intended to limit the scope of the present invention, and all equivalent structural changes made by using the contents of the present specification and the drawings can be directly or indirectly applied to other related technical fields and are included in the scope of the present invention.
Claims (4)
1. The machining process of the core rod is characterized by comprising the following steps of:
1) Drying the loose core rod body with the auxiliary rod at the upper end, and sintering after drying to obtain a coarse core rod;
2) Welding an auxiliary rod at the lower end of the thick core rod;
3) The coarse mandrel passes through a heating furnace, so that an auxiliary rod at the upper end of the coarse mandrel is limited on an upper rotating seat, an auxiliary rod at the lower end of the coarse mandrel is limited on a lower rotating seat, the coarse mandrel is heated by the heating furnace, and the coarse mandrel is longitudinally extended by the up-down movement of an upper rotating seat or a lower rotating seat to obtain the mandrel;
4) After the extension is finished, the lower rotary seat does not limit the auxiliary rod any more, the lower rotary seat moves downwards to be far away from the core rod, the transfer seat moves horizontally to be right below the core rod along the guide rail direction, and the upper rotary seat moves downwards to enable the auxiliary rod at the lower end of the core rod to extend into the transfer seat;
5) The upper rotating seat does not limit the auxiliary rod of the core rod any more, the upper rotating seat and the heating furnace move upwards to enable the core rod to be completely positioned below the heating furnace, and the transfer seat drives the core rod to translate to a set position;
the step 3) to the step 5) are implemented by an extension apparatus, and the extension apparatus includes:
the heating furnace can move up and down and is used for heating the coarse mandril;
the upper rotating seat is positioned above the heating furnace and used for limiting an auxiliary rod at the upper end of the core rod and driving the core rod to rotate and move up and down;
the lower swivel base is positioned below the heating furnace and used for limiting an auxiliary rod at the lower end of the core rod and driving the core rod to rotate and move up and down;
one end of the guide rail is positioned below the heating furnace;
the transfer seat is arranged on the guide rail in a sliding mode and can move back and forth along the direction of the guide rail;
the supporting structure is arranged on the transferring seat and comprises a limiting hole, and the limiting hole is used for inserting an auxiliary rod at the lower end of the core rod;
the supporting structure comprises a supporting block, the supporting block is rotatably installed on a transfer seat through a connecting shaft, the limiting hole is formed in the upper surface of the supporting block, and a switching motor for driving the connecting shaft to rotate is arranged on the transfer seat;
the end, located below the heating furnace, of the guide rail is a first end, the end, far away from the heating furnace, of the guide rail is a second end, a support rod is rotatably installed on one side, far away from the second end of the guide rail, of the support block, a self-locking motor is installed on the support block, the end portion of the support rod is provided with a flexible portion, and the self-locking motor is used for driving the support rod to rotate upwards to enable the flexible portion to be abutted against the outer side wall of the mandrel; a pressure sensor is installed in the flexible part, and when the flexible part abuts against the core rod and the number of the pressure sensor is greater than a preset threshold value, the self-locking motor stops rotating;
one side of guide rail second end is provided with stores the mechanism, store the mechanism and include:
a support frame;
the first telescopic element is used for driving the supporting frame to reciprocate along the length direction parallel to the guide rail;
the storage rack is arranged on the support frame in a sliding mode, a plurality of limiting grooves which are arranged in parallel are formed in the storage rack, the limiting grooves are used for placing the core rods, and the length directions of the limiting grooves are perpendicular to the guide rails;
the second telescopic element is used for driving the storage rack to reciprocate along the length direction vertical to the guide rail;
the second end of guide rail is provided with the mechanism of keeping flat, the mechanism of keeping flat includes:
a material placing frame;
the rotating shaft of the rotating motor is connected with the lower end of the discharging frame, the axis of the rotating shaft of the rotating motor is overlapped with the axis of the connecting shaft of the supporting block, and the rotating motor is used for driving the discharging frame to be in a vertical working position or a horizontal working position;
the limiting sleeve is arranged above the material placing frame in a sliding mode and sleeved on the auxiliary rod at the upper end of the core rod;
and the third telescopic element is used for driving the limiting sleeve to reciprocate.
2. The mandrel machining process according to claim 1, wherein the supporting block has a plurality of positioning holes on a side facing the transfer base, the transfer base has a plurality of electrically controlled telescopic elements, and telescopic rods of the electrically controlled telescopic elements are engaged with the corresponding positioning holes.
3. The mandrel bar machining process according to claim 1, wherein the flexible portion is a circular arc.
4. The mandrel machining process according to claim 1, wherein the stocker has an avoidance port, and the storage shelf is inserted into the avoidance port when the stocker is in the horizontal working position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110745710.7A CN113432436B (en) | 2021-07-01 | 2021-07-01 | Machining process of core rod |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110745710.7A CN113432436B (en) | 2021-07-01 | 2021-07-01 | Machining process of core rod |
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| CN113432436A CN113432436A (en) | 2021-09-24 |
| CN113432436B true CN113432436B (en) | 2022-12-02 |
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| CN113998880B (en) * | 2021-10-08 | 2023-02-24 | 富通集团（嘉善）通信技术有限公司 | Manufacturing method of core rod, preform rod and optical fiber |
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| CN208632383U (en) * | 2017-07-07 | 2019-03-22 | 阿隆株式会社 | The stretching device of optical fiber prefabricated rod mandrel |
| CN208594199U (en) * | 2018-05-14 | 2019-03-12 | 烽火通信科技股份有限公司 | Turning trolley, lifting truck and SOOT stick automatic turning promote vehicle |
| CN111264296A (en) * | 2020-03-24 | 2020-06-12 | 苏州金螳螂园林绿化景观有限公司 | Shallow root system street tree prevents system of lodging |
| CN213012582U (en) * | 2020-08-07 | 2021-04-20 | 久智光电子材料科技有限公司 | Quartz lead loading and unloading device for optical fiber perform |
| CN112939448B (en) * | 2021-04-29 | 2022-12-13 | 浙江富通光纤技术有限公司 | Machining method of core rod |
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