CN213446851U

CN213446851U - High-temperature-resistant die hole cover plate for OVD (over-molding deposition) process

Info

Publication number: CN213446851U
Application number: CN202022442229.4U
Authority: CN
Inventors: 吴海龙
Original assignee: Suzhou Dingyi Jinggong Technology Co ltd
Current assignee: Suzhou Dingyi Jinggong Technology Co ltd
Priority date: 2020-10-29
Filing date: 2020-10-29
Publication date: 2021-06-15
Anticipated expiration: 2030-10-29

Abstract

The utility model discloses a high temperature resistant nib apron for OVD technology relates to optical fiber manufacturing equipment technical field, is separating the problem that the apron can't carry out the centre gripping operation to the product in the mould to current OVD technology production process, now proposes following scheme, and it includes apron main part and handle, apron main part top fixed mounting handle, the inside movable groove of having seted up of apron main part, handle bottom fixed mounting has electric telescopic handle, the electric telescopic handle bottom is run through the apron main part and is extended to movable inslot fixed mounting and have clamping device, clamping device includes control lever, slider, first support arm, second support arm, slide bar, first pivot, second pivot and third pivot, electric telescopic handle bottom fixed mounting has the control lever that is the ring array and distributes. The utility model discloses novel structure, and can guarantee when controlling furnace temperature precision, realize that the apron covers to press from both sides the optical fiber perform in the mould after can getting.

Description

High-temperature-resistant die hole cover plate for OVD (over-molding deposition) process

Technical Field

The utility model relates to an optic fibre manufacture equipment technical field especially relates to a high temperature resistant nib apron for OVD technology.

Background

The optical fiber prefabricated rod can be used for drawing a material prefabricated part of an optical fiber, the optical fiber prefabricated rod is a core raw material for manufacturing quartz-series optical fibers, more than ten methods are used for internationally producing the prefabricated rod, wherein the method is commonly used, and the rod manufacturing method capable of manufacturing high-quality optical fibers mainly comprises the following four methods, namely MCVD: modified chemical vapor deposition; VAD: axial vapor deposition; and (3) OVD: chemical vapor deposition outside the rod; PCVD: plasma activated chemical vapor deposition. Wherein, the process names such as OVD, MCVD, etc. only indicate the 1 st step of producing the preform, namely the process used for producing the core rod, when producing the core rod, not only the core but also a part of cladding must be produced, this is to ensure the optical quality of the optical fiber, subsequently, the core rod can be thinned into many small core rods, or not, this depends on the size of the core rod, and in the second step, the outer cladding is added on the core rod, thus producing the preform.

The furnace temperature precision needs to be controlled in the process of firing the optical fiber preform, in the production process of the existing OVD process, the product in the mold cannot be clamped through the cover plate after the cover plate is covered, and if the cover plate is opened, the furnace temperature precision cannot be ensured. Therefore, in order to solve such problems, we propose a high temperature resistant orifice cover plate for OVD process.

SUMMERY OF THE UTILITY MODEL

The utility model provides a high temperature resistant nib apron for OVD technology has solved and has separated the problem that the apron can't carry out the centre gripping operation to the product in the mould.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a high temperature resistant die hole cover plate for an OVD process comprises a cover plate main body and a handle, wherein the top end of the cover plate main body is fixedly provided with the handle, a movable groove is formed in the cover plate main body, an electric telescopic rod is fixedly arranged at the bottom of the handle, the bottom end of the electric telescopic rod penetrates through the cover plate main body and extends into the movable groove, a clamping device is fixedly arranged in the movable groove and comprises a control rod, a sliding block, a first supporting arm, a second supporting arm, a sliding rod, a first rotating shaft, a second rotating shaft and a third rotating shaft, the bottom end of the electric telescopic rod is fixedly provided with the control rod distributed in an annular array, the surface of the control rod is slidably sleeved with the sliding block, the bottom of the sliding block is fixedly provided with the second rotating shaft, the bottom of the movable groove is fixedly provided with the first rotating shaft, the first supporting arm is hinged to the first rotating shaft, one end, the second pivot articulates there is the second support arm, the one end that the second pivot was kept away from to the second support arm articulates there is the third pivot, the bottom fixed mounting of third pivot has the slide bar, slide bar slidable mounting is in the bottom of apron main part.

Preferably, the bottom of the cover plate main body is provided with sliding grooves distributed in an annular array, the sliding grooves and the sliding rods are correspondingly arranged, and the sliding grooves are matched with the sliding rods.

Preferably, the bottom ends of the sliding rods are fixedly provided with clamping plates at the side walls close to each other.

Preferably, one side of the clamping plates close to each other is of an arc-shaped structure, and a high-temperature-resistant non-slip mat is installed on the clamping plates.

Preferably, the handle is in a U-shaped structure.

The utility model has the advantages that:

through clamping device, can carry out the centre gripping operation to the product in the mould, cover on the mould through the apron main part, precision when can guaranteeing control furnace temperature is controlled through electric telescopic handle, the condition of scalding when can avoiding manual operation, through the arc setting and the slipmat of splint, more stable during messenger's centre gripping.

In conclusion, when the device is used for producing the optical fiber perform by the OVD process, the furnace temperature precision can be controlled, the optical fiber perform in the mold can be clamped after the cover plate is covered, the manual operation is reduced, and the production safety of enterprises is improved.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a bottom cross-sectional view of the present invention;

fig. 3 is a plan view of the bottom of the cover plate main body according to the present invention.

Reference numbers in the figures: 1. a cover plate main body; 2. a handle; 3. an electric telescopic rod; 4. a movable groove; 5. a control lever; 6. a slider; 7. a first support arm; 8. a second support arm; 9. a slide bar; 10. a splint; 11. a sliding groove; 12. a first rotating shaft; 13. a second rotating shaft; 14. and a third rotating shaft.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1, a high temperature resistant nib apron for OVD technology, including apron main part 1 and handle 2, 1 top fixed mounting handle 2 of apron main part, apron main part 1 is inside to have seted up the

movable groove

4, 2 bottom fixed mounting of handle have electric

telescopic handle

3, 3 bottoms of electric telescopic handle run through apron main part 1 and extend to movable groove 4 internal fixation and have clamping device, the mutual lateral wall fixed mounting that is close to in bottom of slide bar 9 has splint 10, one side that splint 10 is close to each other is the arc structure, and install high temperature resistant slipmat, handle 2 is "U" type structure.

Referring to fig. 2-3, the clamping device includes a control rod 5, a slider 6, a first support arm 7, a second support arm 8, a sliding rod 9, a first rotating shaft 12, a second rotating shaft 13 and a third rotating shaft 14, the bottom of the electric telescopic rod 3 is fixedly provided with the control rod 5 distributed in an annular array, the surface of the control rod 5 is slidably sleeved with the slider 6, the bottom of the slider 6 is fixedly provided with the second rotating shaft 13, the bottom of the movable slot 4 is fixedly provided with the first rotating shaft 12, the first rotating shaft 12 is hinged with the first support arm 7, one end of the first support arm 7 far away from the first rotating shaft 12 is hinged with the second rotating shaft 13, the second rotating shaft 13 is hinged with the second support arm 8, one end of the second support arm 8 far away from the second rotating shaft 13 is hinged with the third rotating shaft 14, the bottom of the third rotating shaft 14 is fixedly provided with the sliding rod 9, the sliding rod 9 is slidably mounted at the bottom of the cover plate main body 1, the sliding groove 11 is arranged corresponding to the sliding rod 9, and the sliding groove 11 is matched with the sliding rod 9.

Start 3 extensions of electric telescopic handle on the apron main part 1, control lever 5 is in the activity groove 4 downstream, first support arm 7 rotates between first pivot 12 and second pivot 13, it moves to drive slider 6 and be close to each other, second support arm 8 rotates simultaneously between second pivot 13 and third pivot 14, it moves to drive slide bar 9 and be close to each other at sliding tray 11, the bottom of slide bar 9 is close to each other, press from both sides tight optical fiber perform, remove handle 2, can operate prefabricated stick.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The high-temperature-resistant die hole cover plate for the OVD process comprises a cover plate main body (1) and a handle (2), and is characterized in that the cover plate main body (1) is fixedly provided with the handle (2) at the top end, a movable groove (4) is formed in the cover plate main body (1), an electric telescopic rod (3) is fixedly arranged at the bottom of the handle (2), a clamping device is fixedly arranged in the movable groove (4) after penetrating through the cover plate main body (1), the clamping device comprises a control rod (5), a sliding block (6), a first supporting arm (7), a second supporting arm (8), a sliding rod (9), a first rotating shaft (12), a second rotating shaft (13) and a third rotating shaft (14), the control rod (5) distributed in an annular array is fixedly arranged at the bottom end of the electric telescopic rod (3), and the sliding sleeve on the surface of the control rod (5) is provided with the sliding block (6), the bottom fixed mounting of slider (6) has second pivot (13), the bottom fixed mounting of activity groove (4) has first pivot (12), first pivot (12) articulate there is first support arm (7), the one end that first pivot (12) were kept away from in first support arm (7) is articulated with second pivot (13), second pivot (13) articulate there is second support arm (8), the one end that second pivot (13) were kept away from in second support arm (8) articulates there is third pivot (14), the bottom fixed mounting of third pivot (14) has slide bar (9), slide bar (9) slidable mounting is in the bottom of apron main part (1).

2. The high-temperature-resistant die hole cover plate for the OVD process according to claim 1, wherein the bottom of the cover plate main body (1) is provided with sliding grooves (11) distributed in an annular array, the sliding grooves (11) are arranged corresponding to the sliding rods (9), and the sliding grooves (11) are matched with the sliding rods (9).

3. A high temperature resistant orifice cover for OVD process according to claim 2 wherein the side walls of the sliding rod (9) close to each other at the bottom end are fixedly mounted with clamping plates (10).

4. A high temperature resistant die orifice cover plate for OVD process according to claim 3 wherein the side of the clamping plates (10) adjacent to each other is arc shaped and is fitted with a high temperature resistant non-slip mat.

5. A high temperature resistant orifice cover plate for OVD process according to claim 1, characterized in that the handle (2) is "U" shaped.