CN214422518U - Vertical hot-pressing furnace - Google Patents
Vertical hot-pressing furnace Download PDFInfo
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- CN214422518U CN214422518U CN202120332888.4U CN202120332888U CN214422518U CN 214422518 U CN214422518 U CN 214422518U CN 202120332888 U CN202120332888 U CN 202120332888U CN 214422518 U CN214422518 U CN 214422518U
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Abstract
The utility model particularly relates to a vertical hot pressing furnace, include: the lifting driving component is fixed at the top end of the vertical frame; the mould mounting plate is provided with a mould; the lifting driving component drives the extrusion rod to extend into the die; and the heating furnace is fixed on the vertical frame at the outlet of the die below the lifting driving assembly and is used for heating and melting the pressed optical fiber preform. The pressing and annealing of the optical fiber perform are synchronously performed.
Description
Technical Field
The embodiment of the utility model relates to an autoclave, in particular to vertical autoclave.
Background
In the manufacturing of current optical fiber perform, after the optical fiber perform finished product was made, then putting into annealing stove and annealing at the optical fiber perform that will make, such manufacturing process can make optical fiber perform finished product after the cooling, then at such process of intensification, often in the process of heating again of annealing, lead to the optical fiber perform fracture, influence the outward appearance and the quality of its product.
SUMMERY OF THE UTILITY MODEL
An embodiment of the utility model aims at providing a vertical hot pressing stove can be with the vertical hot pressing stove that the off-the-shelf annealing of optical fiber perform was implemented together with the manufacturing, moreover, the off-the-shelf annealing of optical fiber perform is following the suppression distance in vertical hot pressing stove and is removing, realizes the optical fiber perform finished product of how much length of suppression, the off-the-shelf vertical hot pressing stove of optical fiber perform and control method thereof of how much length just anneals.
In order to achieve the above object, an embodiment of the present invention provides a vertical hot pressing furnace, which includes:
a vertical frame, a plurality of vertical frames and a plurality of vertical frames,
the lifting driving component is fixed at the top end of the vertical frame;
the mould mounting plate is provided with a mould; the lifting driving component drives the extrusion rod to extend into the die;
the heating furnace is fixed on the vertical frame at the outlet of the die below the lifting driving component and is used for heating and melting the pressed optical fiber preform;
the annealing assembly is arranged below the heating furnace; after the annealing component is pressed to the die according to the lifting driving component, the discharging amount of the optical fiber prefabricated material heated by the heating furnace moves up and down along the vertical frame, and meanwhile, the optical fiber prefabricated material heated by the heating furnace is annealed;
and the main control device is used for controlling the annealing component to move up and down in a follow-up manner according to the pressing speed of the lifting driving component.
Further, the vertical frame further comprises:
the lifting driving component is fixed above the top plate; the top plate is fixed at the top end of the vertical frame; the driving rod on the lifting driving component extends into the lower part of the top plate;
the lower part of the top plate is fixed on one end of the first support column; a first movable pressing plate is arranged on the first supporting column; the first movable pressing plate slides on the first support column through a first linear bearing; fixing buckles at the same positions of the first support columns, and fixing the die mounting plate above the buckles; the other end of the first support column is fixed above the first support plate;
the second supporting columns are fixed at one ends of the second supporting columns below the first supporting plate, and the annealing moving plates in the annealing assembly are movably arranged on two of the second supporting columns; the annealing moving plate moves up and down on the two second support columns through a second linear bearing; the other end of the second supporting column is fixed on the second supporting plate, and the annealing assembly is arranged between the first supporting plate and the second supporting plate.
Furthermore, the first support column and the second support column are four longitudinal two-by-two parallel arrangement, wherein the first support column and the second support column are vertically arranged in a three-dimensional longitudinal parallel manner to form a two-layer frame structure.
Further, a first limiting block is fixed above the die mounting plate on any one first supporting column; and a second limiting block is fixed on one side of the heating furnace below the die mounting plate.
Further, the lifting drive assembly further comprises:
the first driving motor is fixed above the top plate; the first driving motor is transversely fixed above the top plate;
the first worm and gear driving device is connected with a worm input shaft of the first worm and gear driving device through a shaft at one side of the first driving motor; the first driving motor drives the worm input shaft to drive the driving rod to move up and down linearly; one end of the driving rod penetrates through the top plate and then is movably connected with the center position of the first movable pressing plate through a bearing, and the driving rod drives the first movable pressing plate to move up and down; a first linear bearing is fixed on the first movable pressing plate, and the first movable pressing plate moves up and down after the first linear bearing is sleeved into the first supporting column; a connecting rod is fixed below the first movable pressing plate, and the other end of the connecting rod is connected with one end of the extrusion rod through a threaded connector.
Furthermore, the other end of the extrusion rod extends into the die, and the extrusion rod is over against the center of the die mounting plate fixed on the vertical frame.
Further, the outlet of the mold is disposed in the heating furnace, and the heating furnace heats the optical fiber preform passing through the outlet of the mold and melts the optical fiber preform into the shape of the mold outlet.
Furthermore, a first channel is arranged on the heating furnace, the mold outlet is surrounded, first heating elements are arranged on the periphery of the first channel, and the optical fiber preform passing through the mold outlet is heated.
Further, the annealing assembly further comprises:
a second driving motor transversely fixed on the second supporting plate,
the second worm and gear driving device is connected with a worm input end in the second worm and gear driving device through a coupler at one side of an output shaft of the second driving motor, and the second driving motor drives the worm input end to rotate so as to drive the ball screw to rotate; a screw rod sliding sleeve is arranged on the ball screw rod, the other end of the ball screw rod is fixed in a bearing seat, and the bearing seat is fixed on a fixed plate below the annealing furnace;
the first annealing movable plate is fixedly provided with a screw rod sliding sleeve; one side of the first annealing movable plate is fixed on the outer side of the annealing furnace; the other side of the first annealing movable plate is fixed on a third linear bearing, the third linear bearing is sleeved on the second supporting column, and the first annealing movable plate slides up and down on the second supporting column;
the second annealing movable plate is arranged above the first annealing movable plate, and one side of the second annealing movable plate is also fixed on the outer side of the annealing furnace; the other side of the first annealing movable plate is also fixed on a third linear bearing; the third linear bearing is sleeved on the second supporting column, and the second annealing movable plate slides up and down on the second supporting column; the ball screw penetrates through the through hole on the second annealing movable plate, and the second annealing movable plate and the first annealing movable plate are arranged in parallel; when the ball screw rotates, the annealing furnace is driven to move up and down.
Furthermore, a second channel is arranged in the middle of the annealing furnace, and second heating elements are arranged around the second channel to anneal the optical fiber preform.
According to the structure, the vertical hot-pressing furnace in the embodiment of the utility model is designed in such a way that the annealing component presses the die according to the lifting driving component, the discharge amount of the optical fiber prefabricated material heated by the heating furnace moves up and down along the vertical frame, and meanwhile, the optical fiber prefabricated material heated by the heating furnace is annealed; the annealing of the finished optical fiber perform is realized, the annealing of the finished optical fiber perform moves along with the pressing distance in the vertical hot pressing furnace, and the finished optical fiber perform with the length is pressed, namely the finished optical fiber perform with the length is annealed.
Compared with the prior art, the utility model utilizes the lifting driving component to press the optical fiber prefabricated material and realizes continuous pressing, then the lifting of the annealing furnace is followed by the lifting driving component, so that the simultaneous pressing and annealing are realized, the finished optical fiber perform with the same length is pressed by the lifting driving component, the finished optical fiber perform with the same length is annealed by the annealing furnace, the manufacturing equipment and the control method solve the problems that in the prior art, after the finished optical fiber perform is manufactured, then the manufactured optical fiber preform is put into an annealing furnace for annealing, and after the temperature is reduced in the manufacturing process, then, in the process of temperature rise, the optical fiber perform is cracked and the appearance and quality of the product are affected in the process of reheating of annealing, and the pressing and annealing of the optical fiber perform are carried out synchronously.
Drawings
Fig. 1 is a schematic structural view of the main viewing direction of the present invention;
fig. 2 is a schematic structural view in a top view direction of the present invention;
fig. 3 is a schematic view of the structure of the present invention in the left-side view direction;
FIG. 4 is a schematic view of the inside of the heating furnace of the present invention;
FIG. 5 is a schematic view of the annealing furnace of the present invention in the A-A direction.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the following will explain in detail each embodiment of the present invention with reference to the accompanying drawings. However, it will be appreciated by those of ordinary skill in the art that in various embodiments of the invention, numerous technical details are set forth in order to provide a better understanding of the present application. However, the technical solutions claimed in the claims of the present application can be implemented without these technical details and with various changes and modifications based on the following embodiments.
The first embodiment of the present invention relates to a vertical hot pressing furnace, as shown in fig. 1, 2 and 3, including:
the vertical frame 10 serves as a frame structure of the vertical hot press furnace in the embodiment of the present invention,
a lifting driving assembly 20 is fixed at the top end of the vertical frame 10; the lifting driving assembly 20 is used for pressing raw materials of the optical fiber perform, mainly realizes driving the extrusion rod 21 to move up and down,
a mold 40 is provided on the mold mounting plate 30; the lifting driving assembly 20 drives the extrusion rod 21 to extend into the die 40; the mold mounting plate 30 is used for mounting the mold 40; mounting a mold 40 on the mold mounting plate 30; in order to accomplish pressing of the raw material for the optical fiber preform, the extrusion rod 21 of the elevation driving assembly 20 is extended into the mold 40.
Fixing a heating furnace 50 on the vertical frame 10 at the outlet of the mold 40 below the elevation driving assembly 20, wherein the heating furnace 50 heats and melts the pressed optical fiber preform; the heating furnace 50 mainly functions to heat, generally adopts resistance wires to heat, and can reach 1200 ℃ or above at most, heats the raw material of the optical fiber perform to a molten state, and then extrudes the raw material of the optical fiber perform in the molten state through the extrusion rod 21 of the lifting driving component 20, so that the raw material is injected into the mold 40, and after cooling, the raw material of the optical fiber perform in the molten state is changed into a shape required after passing through the mold 40.
An annealing unit 60 is disposed below the heating furnace 50; the annealing assembly 60 moves up and down along the vertical frame 10 according to the discharge amount of the optical fiber preform heated by the heating furnace after being pressed to the mold 40 by the lifting driving assembly 20, and simultaneously anneals the optical fiber preform heated by the heating furnace 50; the annealing unit 60 mainly functions to anneal the optical fiber preform heated by the heating furnace 50 to conform to the characteristics of the optical fiber preform.
In order to achieve the technical effect that the lifting driving assembly presses the optical fiber preform finished product with a certain length, the annealing furnace anneals the optical fiber preform finished product with a certain length, the main control device 70 controls the annealing assembly 60 to move up and down in a follow-up manner according to the pressing speed of the lifting driving assembly 20, and the main control device 70 mainly controls the lifting driving assembly 20 and the annealing assembly 60 to follow up and down, so that the technical problem that in the prior art, after the optical fiber preform finished product is manufactured, the manufactured optical fiber preform is placed into the annealing furnace to be annealed, and after the temperature is reduced in the manufacturing process, the optical fiber preform is cracked and the appearance and quality of the product are affected in the process of reheating in the annealing process is solved, and the technical effect that the pressing and annealing of the optical fiber preform are synchronously performed is achieved.
In order to achieve the above technical effects, as shown in fig. 1, 2, and 3, the vertical frame 10 further includes:
a lifting driving component 20 is fixed above the top plate 11; the top plate 11 is fixed at the top end of the vertical frame 10; the driving rod 27 on the lifting driving assembly 20 extends into the lower part of the top plate 11; the top plate 11 is used for supporting the lifting driving assembly 20 and plays a supporting role.
A first support column 12 for fixing the lower part of the top plate 11 to one end of the first support column 12; a first movable pressing plate 13 is arranged on the first support column 12; the first movable platen 13 slides on the first support column 12 through a first linear bearing 14; the first movable pressing plate 13 can move up and down under the driving of the lifting driving component 20, slides by means of the first linear bearing 14, and fixes the buckles 15 at the same positions of the plurality of first supporting columns 12, in this embodiment, fixes the buckles 15 at the same positions of the 4 first supporting columns 12; fixing the die mounting plate 30 above the buckle 15; the mold mounting plate 30 is fixed by means of the fastener 15, the position of the mold mounting plate 30 on the first support column 12 can be changed by the structure of the fastener 15, and the other end of the first support column 12 is fixed above the first support plate 16;
one end of a second supporting column 17 is fixed below the first supporting plate 16, and an annealing moving plate 61 in the annealing assembly 60 is movably arranged on two second supporting columns 17; the second support columns 17 are also used for supporting a frame for placing the annealing assemblies 60, and the annealing moving plate 61 moves up and down on the two second support columns 17 through the second linear bearings 18; the other end of the second support column 17 is fixed to the second support plate 171, and the annealing unit 60 is disposed between the first support plate 12 and the second support plate 171.
In order to achieve the above technical effect, as shown in fig. 1, fig. 2, and fig. 3, the first supporting column 12 and the second supporting column 17 are four longitudinally arranged in parallel, wherein the first supporting column 12 and the second supporting column 17 are vertically arranged in parallel to form a two-layer frame structure. The upper layer of frame is used for placing the lifting driving assembly 20, and the upper layer of frame is used for placing the annealing assembly 60; while the two layers of the frame are not in one parallel plane.
In order to achieve the above technical effect, as shown in fig. 1, 2 and 3, a first stopper 19 is fixed above the mold mounting plate 30 on any one of the first support columns 12; the first stopper 19 is a position of the lowest limit for limiting the movement of the first movable platen 13, and a second stopper 191 is fixed to one side of the heating furnace 50 below the mold mounting plate 30, and the second stopper 191 is a position for limiting the minimum distance between the mold mounting plate 30 and the first support plate 16. In the present embodiment, the vertical frame 10 is configured as a frame structure of the vertical hot press furnace.
In order to achieve the above technical effects, as shown in fig. 1, 2, and 3, the lifting driving assembly 20 further includes:
a first drive motor 22, the first drive motor 22 being fixed above the top plate 11; the first driving motor 22 is transversely fixed above the top plate 11;
a first worm gear drive 23 connected to a worm input shaft 24 of the first worm gear drive 23 at one side of the first drive motor 22; the first driving motor 22 drives the worm input shaft 24 to drive the driving rod 27 to move linearly up and down; one end of the driving rod 27 penetrates through the top plate 11 and then is movably connected with the center position of the first movable pressing plate 13 through a bearing, and the driving rod 27 drives the first movable pressing plate 13 to move up and down; a first linear bearing 14 is fixed on the first movable pressing plate 13, and the first support column 12 is sleeved with the first linear bearing 14; a connecting rod 25 is fixed below the first movable pressing plate 13, and the other end of the connecting rod 25 is connected with one end of the extrusion rod 21 through a threaded connector 26; the other end of the extrusion stem 21 extends into the die 40; the extrusion rod 21 faces the center of the die mounting plate 30 fixed to the vertical frame 10. The above structure constitutes a specific structure of the lifting driving assembly 20, and mainly forms a first driving motor 22 to drive the first worm gear driving device 23, so as to drive the driving rod 27 to perform extrusion forming of the optical fiber preform raw material in the mold 40, and then the optical fiber preform raw material is heated by the heating furnace 50 to form a required shape.
In order to realize the heating furnace 50 for heating and molding the optical fiber preform material after extrusion molding in the mold 40, as shown in fig. 1, 2, 3 and 4, the outlet of the mold 40 is arranged in the heating furnace 50, and the heating furnace 50 heats the optical fiber preform material passing through the outlet of the mold 40 and melts it into the shape of the mold outlet; a first passage 51 is provided in the heating furnace 50 to surround the outlet of the mold 40, and first heating elements 52 are provided around the first passage 51 to heat the optical fiber preform passing through the outlet of the mold 40.
In order to anneal the optical fiber preform after the thermal molding, the annealing module 60, as shown in fig. 1, 2, and 3, further includes:
a second driving motor 611, the second driving motor 611 being fixed laterally on the second support plate 171,
the second worm and gear driving device 62 is connected with the worm input end of the second worm and gear driving device 62 through a coupler 63 at one side of the output shaft of the second driving motor 611, and the second driving motor 611 drives the worm input end to rotate so as to drive the ball screw 64 to rotate; a screw rod sliding sleeve 65 is arranged on the ball screw 64, the other end of the ball screw 64 is fixed in a bearing block 66, and the bearing block 66 is fixed on a fixed plate below the annealing furnace 67;
the annealing moving plate 61, further comprising a first annealing moving plate 68 and a second annealing moving plate 69,
a first annealing flap 68, on which the screw slide 65 is fixed on the first annealing flap 68; fixed to the outside of the annealing furnace 67 on one side of the first annealing flap 68; the other side of the first annealing movable plate 68 is fixed on a third linear bearing 681, the third linear bearing 681 is sleeved on the second supporting column 17, and the first annealing movable plate 68 slides up and down on the second supporting column 17;
above the first annealing flap 68, one side of the second annealing flap 69 is also fixed to the outside of the annealing furnace 67; the other side of the first annealing movable plate 68 is also fixed to a third linear bearing 681; the third linear bearing 681 is sleeved on the second supporting column 17, and the second annealing movable plate 69 slides up and down on the second supporting column 17; the ball screw 64 passes through a through hole on a second annealing flap 69, and the second annealing flap 69 is arranged in parallel with the first annealing flap 68; when the ball screw 64 rotates, the annealing furnace 67 is driven to move up and down.
As shown in fig. 1, 2, 3, and 5, a second channel 671 is provided in the middle of the annealing furnace 67, and second heating elements 672 are provided around the second channel 671 to anneal the optical fiber preform passing therethrough.
The utility model discloses in first driving motor 22 and second driving motor 611 all adopt servo motor, first driving motor's controller 81 and second driving motor's controller 82 all adopt servo motor servo controller, control.
The control method of the vertical hot pressing furnace follows up with the lifting driving component 20 through the lifting of the annealing furnace 67, the pressing and annealing are carried out simultaneously, the optical fiber preform finished product with the certain length is pressed by the lifting driving component 20, and the control method of the optical fiber preform finished product with the certain length is annealed by the annealing furnace 67.
It will be understood by those skilled in the art that the foregoing embodiments are specific examples of the invention, and that various changes in form and details may be made therein without departing from the spirit and scope of the invention in its practical application.
Claims (10)
1. A vertical hot briquetting furnace, comprising:
a vertical frame, a plurality of vertical frames and a plurality of vertical frames,
the lifting driving component is fixed at the top end of the vertical frame;
the mould mounting plate is provided with a mould; the lifting driving component drives the extrusion rod to extend into the die;
the heating furnace is fixed on the vertical frame at the outlet of the die below the lifting driving component and is used for heating and melting the pressed optical fiber preform;
the annealing assembly is arranged below the heating furnace; and the annealing component is pressed to the die according to the lifting driving component, the optical fiber preform material discharge amount heated by the heating furnace moves up and down along the vertical frame, and meanwhile, the optical fiber preform material heated by the heating furnace is annealed.
2. The vertical autoclave furnace of claim 1, wherein the vertical frame further comprises:
the lifting driving component is fixed above the top plate; the top plate is fixed at the top end of the vertical frame; the driving rod on the lifting driving component extends into the lower part of the top plate;
the lower part of the top plate is fixed on one end of the first support column; a first movable pressing plate is arranged on the first supporting column; the first movable pressing plate slides on the first support column through a first linear bearing; fixing buckles at the same positions of the first support columns, and fixing the die mounting plate above the buckles; the other end of the first support column is fixed above the first support plate;
the second supporting columns are fixed at one ends of the second supporting columns below the first supporting plate, and the annealing moving plates in the annealing assembly are movably arranged on two of the second supporting columns; the annealing moving plate moves up and down on the two second support columns through a second linear bearing; the other end of the second supporting column is fixed on the second supporting plate, and the annealing assembly is arranged between the first supporting plate and the second supporting plate.
3. The vertical hot pressing furnace according to claim 2, wherein the first supporting column and the second supporting column are four longitudinally arranged in parallel, and the first supporting column and the second supporting column are vertically arranged in parallel in a vertical direction to form a two-layer frame structure.
4. The vertical hot pressing furnace according to claim 3, wherein a first limit block is fixed above the mold mounting plate on any one of the first support columns; and a second limiting block is fixed on one side of the heating furnace below the die mounting plate.
5. The vertical autoclave furnace of claim 1, wherein the lift drive assembly further comprises:
the first driving motor is fixed above the top plate; the first driving motor is transversely fixed above the top plate;
the first worm and gear driving device is connected with a worm input shaft of the first worm and gear driving device through a shaft at one side of the first driving motor; the first driving motor drives the worm input shaft to drive the driving rod to move up and down linearly; one end of the driving rod penetrates through the top plate and then is movably connected with the center position of the first movable pressing plate through a bearing, and the driving rod drives the first movable pressing plate to move up and down; a first linear bearing is fixed on the first movable pressing plate, and the first linear bearing is sleeved into the first supporting column; a connecting rod is fixed below the first movable pressing plate, and the other end of the connecting rod is connected with one end of the extrusion rod through a threaded connector.
6. The vertical autoclave of claim 5, wherein the other end of the extrusion rod extends into the mold, and the extrusion rod faces the center of the mold mounting plate fixed to the vertical frame.
7. The vertical hot press furnace according to claim 1, wherein the outlet of the mold is provided in the heating furnace, and the heating furnace heats the optical fiber preform passing through the outlet of the mold to melt the optical fiber preform into the shape of the outlet of the mold.
8. The vertical hot press furnace as claimed in claim 7, wherein a first passage is provided in the heating furnace to surround the mold outlet, and first heating elements are provided around the first passage to heat the optical fiber preform passing through the mold outlet.
9. The vertical autoclave furnace of claim 1, wherein the annealing assembly further comprises:
a second driving motor transversely fixed on the second supporting plate,
the second worm and gear driving device is connected with a worm input end in the second worm and gear driving device through a coupler at one side of an output shaft of the second driving motor, and the second driving motor drives the worm input end to rotate so as to drive the ball screw to rotate; a screw rod sliding sleeve is arranged on the ball screw rod, the other end of the ball screw rod is fixed in a bearing seat, and the bearing seat is fixed on a fixed plate below the annealing furnace;
an annealed moving plate, further comprising:
the first annealing movable plate is fixedly provided with a screw rod sliding sleeve; one side of the first annealing movable plate is fixed on the outer side of the annealing furnace; the other side of the first annealing movable plate is fixed on a third linear bearing, the third linear bearing is sleeved on the second supporting column, and the first annealing movable plate slides up and down on the second supporting column;
the second annealing movable plate is arranged above the first annealing movable plate, and one side of the second annealing movable plate is also fixed on the outer side of the annealing furnace; the other side of the first annealing movable plate is also fixed on a third linear bearing; the third linear bearing is sleeved on the second supporting column, and the second annealing movable plate slides up and down on the second supporting column; the ball screw penetrates through the through hole on the second annealing movable plate, and the second annealing movable plate and the first annealing movable plate are arranged in parallel; when the ball screw rotates, the annealing furnace is driven to move up and down.
10. The vertical hot pressing furnace according to claim 9, wherein a second passage is provided in the middle of the annealing furnace, and second heating elements are provided around the second passage to anneal the optical fiber preform.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120332888.4U CN214422518U (en) | 2021-02-05 | 2021-02-05 | Vertical hot-pressing furnace |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202120332888.4U CN214422518U (en) | 2021-02-05 | 2021-02-05 | Vertical hot-pressing furnace |
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| CN214422518U true CN214422518U (en) | 2021-10-19 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112759246A (en) * | 2021-02-05 | 2021-05-07 | 杭州嘉悦智能设备有限公司 | Vertical hot pressing furnace and control method thereof |
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2021
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112759246A (en) * | 2021-02-05 | 2021-05-07 | 杭州嘉悦智能设备有限公司 | Vertical hot pressing furnace and control method thereof |
| CN112759246B (en) * | 2021-02-05 | 2024-04-12 | 杭州嘉悦智能设备有限公司 | Vertical hot press furnace and control method thereof |
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