CN219489834U - Single-station molding press for large lenses - Google Patents

Abstract

The utility model belongs to the technical field of glass lens processing, and particularly relates to a large-lens single-station molding press which comprises a frame, a working chamber arranged on the frame, a supporting platform arranged in the working chamber, a stamping component which can move up and down and is arranged on the working chamber, a heating ring which can move up and down and is sleeved on the periphery of the stamping component, and a first driving device arranged on the working chamber, wherein the working chamber is provided with a plurality of grooves; after the workpiece is conveyed to the supporting platform, the heating ring is driven by the first driving device to move downwards and sleeve the periphery of the workpiece, and the heating ring is used for heating, so that the glass rough blank in the workpiece is fully and uniformly heated and softened, and the stamping assembly moves downwards to stamp and shape the glass rough blank in the workpiece while the heating ring keeps heating, thereby avoiding influencing the forming quality of the large glass rough blank with high softening temperature and high hardness due to insufficient heating; and heating and stamping forming are realized only through one station, so that the cost is greatly saved, and the production efficiency is ensured.

Description

Single-station molding press for large lenses

[ field of technology ]

The utility model belongs to the technical field of glass lens processing, and particularly relates to a single-station molding press for a large lens.

[ background Art ]

At present, in the manufacturing enterprises of the optical glass lenses in China, the used mould pressing equipment is basically in the stage of relying on import, the technological principle of the equipment is that mould pressing production of the lenses is completed by adopting a plurality of stations in a pipelining mode, the upper mould and the lower mould of the mould pressing equipment are heated when the lenses are produced by the existing mould pressing equipment, namely, the upper mould and the lower mould of the mould pressing equipment are heated and softened from the upper side and the lower side of a glass rough blank, and when the large lenses are produced, the molding quality of the large lenses is often influenced by insufficient and uneven heating of the large glass rough blank with high softening temperature and large hardness.

[ utility model ]

The utility model aims to provide a large-lens single-station molding press which is good in molding quality, low in cost and high in production efficiency.

The utility model is realized by the following technical scheme:

a big lens single station molding press, includes the frame, still includes:

the working chamber is arranged on the frame;

a support platform arranged in the working chamber for supporting the workpiece;

the stamping assembly is arranged opposite to the supporting platform and can be arranged on the working chamber in an up-and-down moving way;

the heating ring is sleeved on the periphery of the punching assembly in a vertically movable manner;

the first driving device is arranged on the working chamber and is used for driving the heating ring to move downwards to be close to the supporting platform or upwards to be far away from the supporting platform;

the first driving device can drive the heating ring to move downwards to be sleeved on the periphery of the workpiece supported by the supporting platform, and the workpiece is punched and formed by moving downwards of the punching component.

A large lens single station molding press as described above, the first drive means comprising:

a heating ring mounting ring for mounting the heating ring;

the lifting guide rod is movably arranged on the working chamber in a penetrating way, and one end of the lifting guide rod is connected with the heating ring mounting ring;

the driving connecting plate is connected with one end of the lifting guide rod, which is far away from the heating ring mounting ring;

and the first telescopic cylinder is arranged on the working chamber, and the telescopic end of the first telescopic cylinder is connected with the driving connecting plate.

The large-lens single-station molding press comprises a stamping rod, a stamping head and a stamping driving cylinder, wherein the stamping rod is arranged on a working chamber in a penetrating mode, the stamping head is arranged at one end of the stamping rod, and the stamping driving cylinder is arranged at the other end of the stamping rod and used for driving the stamping rod to move up and down; the supporting platform comprises a lower die holder, a lower die base plate arranged on the lower die holder, a heat insulation plate arranged on the lower die base plate, a heating plate arranged on the heat insulation plate and a supporting plate arranged on the heating plate; the punching head corresponds to the supporting plate.

A large lens single station molding press as described above, further comprising:

the feeding chamber is arranged at one side of the working chamber;

the discharging cavity is arranged at the other side of the working cavity opposite to the feeding cavity;

the first feeding mechanism is used for conveying the workpiece into the feeding chamber from the lower part of the feeding chamber;

the second feeding mechanism is used for pushing the workpiece in the feeding cavity to the supporting platform;

the first blanking mechanism is used for taking the workpiece subjected to stamping forming on the supporting platform into a blanking cavity;

the second blanking mechanism is used for taking out the workpiece in the blanking chamber from the lower part of the blanking chamber;

the transition platform is arranged in the working chamber and positioned at two ends of the supporting platform and used for supporting a workpiece, one end of the transition platform is connected with the supporting platform, and the other end of the transition platform is connected with the inner wall of the working chamber.

The single station molding press of big lens as above, first feed mechanism includes:

the feeding frame is arranged below the feeding cavity;

the feeding slide rail is arranged on the feeding frame;

the feeding slide plate is arranged on the feeding slide rail in a sliding manner;

the second driving device is used for driving the feeding slide plate to slide on the feeding slide rail;

the feeding supporting table is arranged on the feeding sliding plate in a vertically movable manner and is used for supporting a workpiece;

and the third driving device is used for driving the feeding supporting table to move up and down relative to the feeding sliding plate.

According to the large-lens single-station molding press, the feeding detection device for detecting the workpiece on the feeding supporting table is arranged in the feeding cavity.

The large-lens single-station molding press comprises the second feeding mechanism, the first feeding mechanism and the second feeding mechanism, wherein the second feeding mechanism comprises a feeding push rod which penetrates through the feeding cavity and can be close to or far from the working cavity along the horizontal direction, and a fourth driving device for driving the feeding push rod to move; the feeding supporting table comprises a supporting table sliding rail, a supporting table sliding plate and a fifth driving device for driving the supporting table sliding plate to move on the supporting table sliding rail; the fifth driving device can drive the supporting table sliding plate to be close to and attached to the outer wall of the working chamber.

The large-lens single-station molding press is characterized in that the first blanking mechanism comprises the material taking rod which penetrates through the blanking cavity and can be close to or far away from the working cavity along the horizontal direction, the material taking hook which is arranged at one end of the material taking rod close to the working cavity, the rotating cylinder which is used for driving the material taking rod to rotate around the axis of the rotating cylinder, and the sixth driving device which is used for driving the material taking rod to be close to or far away from the working cavity along the horizontal direction.

The large-lens single-station molding press is characterized in that the working chamber is provided with the feed inlet and the discharge outlet, one side of the working chamber corresponding to the feed inlet is provided with the first sealing mechanism for opening or sealing the feed inlet, and one side of the working chamber corresponding to the discharge outlet is provided with the second sealing mechanism for opening or sealing the discharge outlet.

A large lens single station molding press as described above, the first closing mechanism comprising:

a closing plate for closing the feed port;

the sealing driving device is arranged on the outer wall of the working chamber and is used for driving the sealing plate to move up and down so as to lead the sealing plate to be aligned with the feed inlet;

the closed compressing device comprises a compressing piece and a compressing driving cylinder for driving the compressing piece to axially move along the feeding hole.

Compared with the prior art, the utility model has the following advantages:

the utility model provides a large-lens single-station molding press which comprises a frame, a working chamber arranged on the frame, a supporting platform arranged in the working chamber, a stamping assembly arranged on the working chamber and capable of moving up and down, a heating ring sleeved on the periphery of the stamping assembly and capable of moving up and down, and a first driving device arranged on the working chamber, wherein the working chamber is arranged on the frame; after the workpiece is conveyed to the supporting platform, the heating ring is driven by the first driving device to move downwards and sleeve the periphery of the workpiece, and the heating ring is used for heating, so that the glass rough blank in the workpiece is fully and uniformly heated and softened, and the stamping assembly moves downwards to stamp and shape the glass rough blank in the workpiece while the heating ring keeps heating, thereby avoiding influencing the forming quality of the large glass rough blank with high softening temperature and high hardness due to insufficient heating; and heating and stamping forming are realized only through one station, so that the cost is greatly saved, and the production efficiency is ensured.

[ description of the drawings ]

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are required to be used in the description of the embodiments will be briefly described below.

FIG. 1 is a schematic diagram of a single station molding press for large lenses according to an embodiment of the present utility model;

FIG. 2 is a schematic diagram of a single station molding press for large lenses according to an embodiment of the utility model;

FIG. 3 is a schematic diagram of an exploded construction of a single station molding press for large lenses according to an embodiment of the utility model;

FIG. 4 is a schematic view of a partial cross-sectional structure of a single station molding press for large lenses according to an embodiment of the utility model;

fig. 5 is a schematic structural diagram of a first feeding mechanism in an embodiment of the present utility model.

[ detailed description ] of the utility model

In order to make the technical problems, technical schemes and beneficial effects solved by the utility model more clear, the utility model is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

When embodiments of the present utility model refer to the ordinal terms "first," "second," etc., it is to be understood that they are merely used for distinguishing between them unless the order of their presentation is indeed dependent on the context.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

In one embodiment, as shown in fig. 1-5, a single-station molding press for large lenses includes a frame 1, a working chamber 2 disposed on the frame 1, a supporting platform 3 disposed in the working chamber 2 for supporting a workpiece, a punching assembly 4, a heating ring 51, and a first driving device 52 disposed on the working chamber 2. The punching component 4 is arranged opposite to the supporting platform 3 and is arranged on the working chamber 2 in a vertically movable way; the heating ring 51 is sleeved on the periphery of the punching assembly 4 in a vertically movable manner; the first driving device 52 is used for driving the heating ring 51 to move downwards to be close to the supporting platform 3 or upwards to be away from the supporting platform 3; the first driving device 52 can drive the heating ring 51 to move downwards to be sleeved on the periphery of the workpiece supported by the supporting platform 3, and the workpiece is punched and formed by the punching assembly 4. After the workpiece is conveyed to the supporting platform 3, the heating ring 51 is driven by the first driving device 52 to move downwards and sleeve the periphery of the workpiece, and the heating ring 51 is used for heating, so that the rough glass blank in the workpiece is fully and uniformly heated and softened, and the stamping assembly 4 moves downwards to stamp and shape the rough glass blank in the workpiece while the heating ring 51 is kept heated, thereby avoiding influencing the forming quality of the large rough glass blank with high softening temperature and high hardness due to insufficient heating; and heating and stamping forming are realized only through one station, so that the cost is greatly saved, and the production efficiency is ensured. The heating ring 51 is an infrared heating ring. Further, after the stamping forming is completed, cooling water flows through the side plates of the working chamber 2, so that the working chamber 2 is cooled slowly, the cooling time is long, and the defect of lenses caused by too fast cooling is avoided.

Specifically, the first driving device 52 includes a heating coil mounting ring 521, a lifting guide 522, a driving connection plate 523, and a first telescopic cylinder 524. The heating ring mounting ring 521 is used for mounting the heating ring 51; the lifting guide rods 522 are movably arranged on the working chamber 2 in a penetrating manner, and one end of each lifting guide rod 522 is connected with the heating ring mounting ring 521, specifically, two lifting guide rods 522 are symmetrical relative to the central axis of the heating ring 51, so that the heating ring 51 moves up and down more stably, and the heating ring is prevented from tilting and swinging; the driving connection plate 523 is connected with one end of the lifting guide rod 522, which is far away from the heating ring mounting ring 521; the first telescopic cylinder 524 is disposed on the working chamber 2, and the telescopic end is connected to the driving connection board 523. The heating ring 51 is driven to move by the first telescopic cylinder 524, so that the automation degree is high.

In addition, the punching assembly 4 includes a punching rod 41 penetrating the working chamber 2 and capable of moving up and down, a punching head 42 provided at one end of the punching rod 41, and a punching driving cylinder 43 provided at the other end of the punching rod 41 for driving the punching rod 41 to move up and down; the supporting platform 3 comprises a lower die holder 31, a lower die backing plate 32 arranged on the lower die holder 31, a heat insulation plate 33 arranged on the lower die backing plate 32, a heating plate 34 arranged on the heat insulation plate 33, and a supporting plate 35 arranged on the heating plate 34; the punch 42 corresponds to the support plate 35. The workpiece before stamping forming comprises an upper die, a lower die and a glass rough blank arranged between the upper die and the lower die, when the workpiece is positioned on a supporting plate 35, a first driving device 52 drives a heating ring 51 to move downwards to be close to the supporting plate 35 and sleeve the workpiece on the supporting plate 35, the glass rough blank is fully heated and softened through uniform heating of the heating ring 51 and a heating plate 34, and a stamping head is pressed downwards to stamp and form the glass rough blank in a heating environment, so that the forming quality is good; the ram driving cylinder 43 is a hydraulic cylinder.

Further, the large lens single-station molding press further comprises a feeding chamber 6, a discharging chamber 7, a first feeding mechanism 8, a second feeding mechanism 9, a first discharging mechanism 10, a second discharging mechanism (not labeled in the figure) and a transition platform 12. The feeding chamber 6 is arranged at one side of the working chamber 2; the discharging cavity 7 and the feeding cavity 6 are arranged on the other side of the working cavity 2 opposite to each other; the first feeding mechanism 8 is used for conveying the workpiece into the feeding chamber 6 from below the feeding chamber 6; the second feeding mechanism 9 is used for pushing the workpiece in the feeding chamber 6 to the supporting platform 3; the first blanking mechanism 10 is used for taking the workpiece after stamping forming on the supporting platform 3 into the blanking chamber 7; the second blanking mechanism is used for taking out the workpiece in the blanking chamber 7 from the lower part of the blanking chamber 7; the transition platform 12 is arranged in the working chamber 2 and positioned at two ends of the supporting platform 3 and is used for supporting a workpiece, one end of the transition platform 12 is connected with the supporting platform 3, and the other end is connected with the inner wall of the working chamber 2. The automation degree is high, and the production efficiency is high; and the work piece is carried to the feeding cavity 6 from the below of the feeding cavity 6 and the work piece in the discharging cavity 7 is taken out from the below of the discharging cavity 7, so that the feeding and discharging mechanism can be prevented from interfering with other parts, and the occupied space is smaller and the equipment structure is more compact compared with the traditional feeding and discharging mechanism.

More specifically, the first feeding mechanism 8 includes a feeding frame 81, a feeding slide rail 82, a feeding slide plate 83, a second driving device 84, a feeding support table 85, and a third driving device 86. The feeding frame 81 is arranged below the feeding chamber 6; the feeding slide rail 82 is arranged on the feeding frame 81; the feeding slide plate 83 is slidably arranged on the feeding slide rail 82; the second driving device 84 is used for driving the feeding slide plate 83 to slide on the feeding slide rail 82; the feeding supporting table 85 is arranged on the feeding sliding plate 83 in a vertically movable manner and is used for supporting a workpiece; the third driving device 86 is configured to drive the feeding support table 85 to move up and down relative to the feeding slide 83. The second driving device 84 drives the feeding sliding plate 83 to move in the horizontal direction, after the feeding supporting table 85 is aligned with the feeding opening below the feeding chamber 6, the third driving device 86 drives the feeding supporting table 85 to move upwards and stretch into the feeding chamber 6, and the workpiece returns to the initial position after being pushed into the working chamber; as can be seen from the figure, the second unloading mechanism and the first loading mechanism 8 of the present application have the same structure and are relatively arranged below the unloading chamber 7, when the material is taken out, the unloading supporting table receives the punched workpiece on the unloading chamber, the unloading supporting table in the unloading chamber 7 is driven to move downwards to leave from the lower part of the unloading chamber 7, then horizontally moves to a proper position to take out the punched workpiece on the unloading supporting table, and returns to the initial position after the workpiece is taken out. The second driving device 84 and the third driving device 86 each use telescopic cylinders.

Further, a feeding detection device 13 for detecting the workpiece on the feeding support table 85 is disposed in the feeding chamber 6. Correspondingly, a blanking detection device for detecting a workpiece on a blanking supporting table in the blanking chamber 7 is arranged in the blanking chamber 7. When the workpiece is supported by the feeding supporting table 85 and enters the feeding chamber 6, and the workpiece is detected by the feeding detection device 13, the second feeding mechanism 9 is driven to work so as to push the workpiece in the feeding chamber 6 to the supporting platform 3; when the first blanking mechanism 10 takes the workpiece after stamping forming on the supporting platform 3 to a blanking supporting table in the blanking chamber 7, and the blanking detection device detects the workpiece, the second blanking mechanism is driven to take out the workpiece in the blanking chamber 7 from the lower part of the blanking chamber 7. The automation degree is high, and the efficiency is high.

Still further, the second feeding mechanism 9 includes a feeding push rod 91 penetrating the feeding chamber 6 and capable of approaching or separating from the working chamber 2 along the horizontal direction, and a fourth driving device 92 for driving the feeding push rod 91 to move; the feeding support table 85 comprises a support table slide rail 851, a support table slide plate 852, and a fifth driving device 853 for driving the support table slide plate 852 to move on the support table slide rail 851; the fifth driving device 853 may drive the supporting table sliding plate 852 to approach and fit the outer wall of the working chamber 2. When the feeding supporting table 85 enters the feeding chamber, the feeding supporting table is driven to be attached to the outer wall of the working chamber 2 through the fifth driving device 853, then the feeding push rod 91 is driven by the fourth driving device 92 to push a workpiece into the working chamber 2, the workpiece is received by the transition platform 12, and finally the workpiece is pushed onto the supporting platform 3; the fourth driving device 92 and the fifth driving device 853 each use a telescopic cylinder.

Specifically, the first discharging mechanism 10 includes a material taking rod 101 penetrating through the discharging chamber 7 and capable of approaching or separating from the working chamber 2 along a horizontal direction, a material taking hook 102 disposed at one end of the material taking rod 101 near the working chamber 2, a rotary cylinder 103 for driving the material taking rod 101 to rotate around an axis thereof, and a sixth driving device 104 for driving the material taking rod 101 to approach or separate from the working chamber 2 along a horizontal direction. When a workpiece is stamped and formed, the rotary cylinder 103 drives the material taking rod 101 to rotate until the material taking hook 102 is kept in a vertical state, the sixth driving device 104 drives the material taking rod 101 to extend into the working chamber 2 along the horizontal direction, after the material taking hook 102 passes through the workpiece on the supporting platform 3, the rotary cylinder 103 drives the material taking rod 101 to rotate until the material taking hook 102 is kept in a horizontal state, the sixth driving device 104 drives the material taking rod 101 to keep away from the working chamber 2 along the horizontal direction, the material taking hook 102 hooks the workpiece, and the workpiece passes through the supporting platform 3 and the transition platform 12 in sequence, and finally the workpiece is taken to the blanking supporting platform. The sixth driving device 104 adopts a telescopic cylinder.

In addition, the working chamber 2 is provided with a feed inlet 21 and a discharge outlet 22, a first closing mechanism 14 for opening or closing the feed inlet 21 is disposed on a side of the working chamber 2 corresponding to the feed inlet 21, and a second closing mechanism (not labeled in the figure) for opening or closing the discharge outlet 22 is disposed on a side of the working chamber 2 corresponding to the discharge outlet 22. Specifically, the first closing mechanism 14 includes a closing plate 141, a closing drive 142, and a closing hold-down 143. The closing plate 141 is used for closing the feed inlet 21; the sealing driving device 142 is arranged on the outer wall of the working chamber 2 and is used for driving the sealing plate 141 to move up and down so as to align the sealing plate 141 with the feed inlet 21; the closing pressing means 143 includes a pressing member 1431 and a pressing driving cylinder 1432 for driving the pressing member 1431 to move axially along the feed port 21. More specifically, the number of the sealing and pressing devices 143 is four, and the four sealing and pressing devices 143 are respectively and correspondingly arranged at four corners of the sealing plate 141 to ensure air tightness; the second closing mechanism has the same structure as the first closing mechanism 14 and is oppositely arranged in the blanking cavity 7; good tightness between the working chamber 2 and the feeding chamber 6 and the discharging chamber 7 respectively can be ensured by the first closing mechanism 14 and the second closing mechanism. In actual work, after the workpiece is conveyed to the feeding chamber 6, the feeding chamber 6 needs to be vacuumized and flushed with nitrogen, and after the oxygen content to be measured reaches the requirement, the first sealing mechanism 14 is used for sealing the feed inlet 21. The closing drive 142 and the compression drive cylinder 1432 employ telescoping cylinders.

The above description of one embodiment provided in connection with the specific content does not set forth limitation to the specific implementation of the present utility model, and is not limited to the above designations but is not limited to english designations due to the different industry designations. The method, structure, etc. similar to or identical to those of the present utility model, or some technical deductions or substitutions are made on the premise of the inventive concept, should be regarded as the protection scope of the present utility model.

Claims (10)

1. The large-lens single-station molding press comprises a frame (1), and is characterized by further comprising:

a working chamber (2) which is arranged on the frame (1);

a supporting platform (3) which is arranged in the working chamber (2) and is used for supporting a workpiece;

the punching assembly (4) is arranged opposite to the supporting platform (3) and can be arranged on the working chamber (2) in a vertical moving way;

a heating ring (51) which is sleeved on the periphery of the punching component (4) in a vertically movable way;

a first driving device (52) arranged on the working chamber (2) and used for driving the heating ring (51) to move downwards to be close to the supporting platform (3) or upwards to be away from the supporting platform (3);

the first driving device (52) can drive the heating ring (51) to move downwards to be sleeved on the periphery of the workpiece supported by the supporting platform (3), and the workpiece is punched and formed by the downward movement of the punching assembly (4).

2. A single station molding press for large lenses according to claim 1, in which the first driving means (52) comprise:

a heating coil mounting ring (521) for mounting the heating coil (51);

the lifting guide rod (522) is movably arranged on the working chamber (2) in a penetrating way, and one end of the lifting guide rod is connected with the heating ring mounting ring (521);

a drive connection plate (523) connected with one end of the lifting guide rod (522) far away from the heating ring mounting ring (521);

and a first telescopic cylinder (524) which is arranged on the working chamber (2) and the telescopic end of which is connected with the driving connecting plate (523).

3. A single-station molding press for large lenses according to claim 1, wherein the punching assembly (4) comprises a punching rod (41) which is arranged on the working chamber (2) in a penetrating way and can move up and down, a punching head (42) arranged at one end of the punching rod (41), and a punching driving cylinder (43) arranged at the other end of the punching rod (41) and used for driving the punching rod (41) to move up and down; the supporting platform (3) comprises a lower die holder (31), a lower die pad plate (32) arranged on the lower die holder (31), a heat insulation plate (33) arranged on the lower die pad plate (32), a heating plate (34) arranged on the heat insulation plate (33), and a supporting plate (35) arranged on the heating plate (34); the punching head (42) corresponds to the support plate (35).

4. The large lens single station molding press of claim 1, further comprising:

the feeding chamber (6) is arranged at one side of the working chamber (2);

the discharging cavity (7) is arranged at the other side of the working cavity (2) opposite to the feeding cavity (6);

the first feeding mechanism (8) is used for conveying the workpiece into the feeding chamber (6) from the lower part of the feeding chamber (6);

the second feeding mechanism (9) is used for pushing the workpiece in the feeding chamber (6) onto the supporting platform (3);

the first blanking mechanism (10) is used for taking the workpiece subjected to stamping forming on the supporting platform (3) into the blanking cavity (7);

the second blanking mechanism is used for taking out the workpiece in the blanking chamber (7) from the lower part of the blanking chamber (7);

the transition platform (12) is arranged in the working chamber (2) and positioned at two ends of the supporting platform (3) and used for supporting a workpiece, one end of the transition platform (12) is connected with the supporting platform (3), and the other end of the transition platform is connected with the inner wall of the working chamber (2).

5. A single station molding press for large lenses according to claim 4, in which the first feeding means (8) comprises:

the feeding frame (81) is arranged below the feeding chamber (6);

the feeding slide rail (82) is arranged on the feeding frame (81);

the feeding slide plate (83) is arranged on the feeding slide rail (82) in a sliding manner;

the second driving device (84) is used for driving the feeding sliding plate (83) to slide on the feeding sliding rail (82);

a loading support table (85) which is arranged on the loading slide plate (83) in a vertically movable manner and is used for supporting a workpiece;

and a third driving device (86) for driving the feeding support table (85) to move up and down relative to the feeding slide plate (83).

6. Single-station molding press for large lenses according to claim 5, characterised in that the feeding chamber (6) is provided with feeding detection means (13) for detecting the work piece on the feeding support table (85).

7. A single-station molding press for large lenses according to claim 5, in which the second feeding mechanism (9) comprises a feeding push rod (91) penetrating the feeding chamber (6) and being capable of approaching or separating from the working chamber (2) along the horizontal direction, and a fourth driving device (92) for driving the feeding push rod (91) to move; the feeding supporting table (85) comprises a supporting table sliding rail (851), a supporting table sliding plate (852) and a fifth driving device (853) for driving the supporting table sliding plate (852) to move on the supporting table sliding rail (851); the fifth driving device (853) can drive the supporting table sliding plate (852) to approach and be attached to the outer wall of the working chamber (2).

8. The single-station molding press for large lenses according to claim 4, wherein the first blanking mechanism (10) comprises a material taking rod (101) penetrating through the blanking chamber (7) and capable of being close to or far away from the working chamber (2) along the horizontal direction, a material taking hook (102) arranged at one end of the material taking rod (101) close to the working chamber (2), a rotating cylinder (103) for driving the material taking rod (101) to rotate around the axis of the rotating cylinder, and a sixth driving device (104) for driving the material taking rod (101) to be close to or far away from the working chamber (2) along the horizontal direction.

9. A single-station molding press for large lenses according to claim 1, wherein the working chamber (2) is provided with a feed inlet (21) and a discharge outlet (22), a first closing mechanism (14) for opening or closing the feed inlet (21) is arranged on one side of the working chamber (2) corresponding to the feed inlet (21), and a second closing mechanism for opening or closing the discharge outlet (22) is arranged on one side of the working chamber (2) corresponding to the discharge outlet (22).

10. A single station molding press for large lenses according to claim 9, in which the first closing means (14) comprise:

a closing plate (141) for closing the feed port (21);

the sealing driving device (142) is arranged on the outer wall of the working chamber (2) and is used for driving the sealing plate (141) to move up and down so as to align the sealing plate (141) with the feed inlet (21);

the closing and pressing device (143) comprises a pressing piece (1431) and a pressing driving cylinder (1432) for driving the pressing piece (1431) to axially move along the feeding hole (21).