CN210103740U

CN210103740U - Independent type mould pressing cabin sealing device

Info

Publication number: CN210103740U
Application number: CN201920584404.8U
Authority: CN
Inventors: 李春强; 梁武; 高勇军; 汤波
Original assignee: Shenzhen Sendiyuan Pneumatic Equipment Manufacture Co Ltd
Current assignee: Shenzhen Sendiyuan Pneumatic Equipment Manufacture Co Ltd
Priority date: 2018-09-05
Filing date: 2018-09-05
Publication date: 2020-02-21
Anticipated expiration: 2028-09-05
Also published as: CN210528766U; CN208747918U

Abstract

The utility model provides an independent type mould pressing cabin sealing device, including sealed cowling sleeve and station base plate, the lower extreme at the ram rod is established to sealed cowling sleeve cover, sealed cowling sleeve and ram rod sealing connection, be equipped with the bed die on the station base plate, the bottom of ram rod be equipped with the bed die forms the last mould of coaxial state, the ram rod can move down so that the sealed cowling sleeve with station base plate butt is in order to form the mould pressing cabin. According to the utility model discloses a mould pressing cabin sealing device has not only reduced the volume in mould pressing cabin, has practiced thrift manufacturing cost, and can guarantee that the mould does not receive the difference in temperature interference in adjacent mould pressing cabin in a series of mould pressing actions repeatedly, improves the stability of quality of product.

Description

Independent type mould pressing cabin sealing device

Technical Field

The utility model relates to an optical glass aspheric lens field of making especially provides a stand alone type mould pressing cabin sealing device.

Background

At present, in the Chinese optical glass aspheric lens manufacturing enterprises, the used molding equipment basically seals all molding cabins of the whole equipment together. As shown in fig. 1, in a structure in which an array of dies is integrally sealed, the dies move from right to left, and a series of actions of heating, pressing, and cooling are sequentially performed. The mold in the mold pressing cabin is easily oxidized by oxygen in the air at high temperature, so that the use performance of the mold is reduced. To prevent oxidation of the mold at high temperatures, the molding chamber is typically charged with sufficient nitrogen. The mould ballast is not provided with a vacuumizing mechanism, and can only prevent the mould from being oxidized by continuously filling nitrogen, and the mould ballast structure has the problem of large nitrogen quantity because of large space for filling the nitrogen. Meanwhile, the mold moving is carried out for several times in the mold pressing process, and when the mold moves, a large amount of nitrogen can overflow when the hatches on two sides of the equipment are opened, so that more waste can be caused.

A further significant drawback is that, due to the particularly compact arrangement of the mould compartments arranged in line, the operating temperature of each mould compartment is different, some even very different, for example: the temperature of the stamping station is typically above 520 degrees celsius, while the immediately adjacent cooling station is at its lowest below 310 degrees celsius. This causes a serious disturbance in the temperature control of the adjacent mold pressure chambers, which increases the difficulty of temperature control work and affects the stability of the equipment.

SUMMERY OF THE UTILITY MODEL

To the not enough among the above-mentioned prior art, the utility model aims to provide an independent type mould pressing cabin sealing device, its use amount that not only can reduce nitrogen gas can also increase the stability of equipment.

In order to achieve the above object, the utility model adopts the following technical scheme: the utility model provides an independent type mould pressing cabin sealing device, its includes sealed cowling sleeve and station base plate, the lower extreme at the punching press pole is established to sealed cowling sleeve cover, sealed cowling sleeve and punching press pole sealing connection, be equipped with the bed die on the station base plate, the bottom of punching press pole be equipped with the bed die forms coaxial state's last mould, the punching press pole can move down so that sealed cowling sleeve with the butt of station base plate is in order to form the mould pressing cabin.

In some embodiments of the present invention, the peripheral wall of the sealing cover sleeve is a double-layer hollow structure, and the inside of the hollow structure is filled with a heat insulating material.

The utility model discloses an in some embodiments, the telescopic internal perisporium of seal cover and periphery wall are made by quartz glass, the inside packing of telescopic hollow structure of seal cover has thermal-insulated cotton, seal cover sleeve upper end and lower extreme all are equipped with the sealing washer.

In some embodiments of the present invention, the station substrate is provided with a nitrogen gas supply hole for supplying nitrogen gas to the mold pressing chamber and a vacuum hole for exhausting gas in the mold pressing chamber.

In some embodiments of the present invention, an upper mold heating device for heating the upper mold is disposed on the upper mold, and a lower mold heating device for heating the lower mold is disposed on the lower mold.

In some embodiments of the present invention, the upper mold heating device and the lower mold heating device are both heating plates.

In some embodiments of the present invention, the sealing cover sleeve is connected to the stamping rod in a sealing manner through a silica gel sealing ring, and the silica gel sealing ring can be opposite to the stamping rod.

In some embodiments of the present invention, the lower portion of the upper mold is provided with a cylindrical groove, the diameter of the cylindrical groove matches with the lower mold, and the lower mold can be embedded into the groove when the upper mold moves downward.

In some embodiments of the present invention, the station substrate is provided with an annular sealing platform matched with the sealing cover sleeve, and the stamping rod moves downwards to make the sealing cover sleeve abut against the annular sealing platform to form the die pressing cabin.

Compare with traditional mould pressing cabin, adopt the utility model provides a mould pressing cabin that stand alone type mould pressing cabin sealing device formed has following advantage:

1) can see out from the theory of operation in this mould pressing cabin, adopt the utility model discloses a sealing device's structure can let the mould (last mould and bed die promptly) be in independent sealed environment throughout at high temperature during operation, and is further, can also be through filling into nitrogen gas for the mould obtains fully protecting and not by high temperature oxidation under stable nitrogen gas environment.

2) Because the utility model provides a mould (be the mould and bed die) is in independent sealed environment throughout at high temperature during operation, can guarantee that the mould does not receive the difference in temperature interference of adjacent mould pressing cabin in a series of mould pressing actions repeatedly, and every independent mould pressing cabin homoenergetic obtains effectual temperature control, and then improves the stable quality of product. Further, the sealing cover sleeve can also adopt a heat insulation structure so as to further ensure that the die is not interfered by the temperature difference of the adjacent die pressing cabin.

3) Because the utility model discloses a sealed cowling sleeve restricts the mold processing of single work piece in a less mould pressing under-deck, and the space is very little and sealed completely, compares with other molding equipment, saves more high-pressure nitrogen gas under the same production efficiency, reaches energy saving and emission reduction's purpose, has also reduced manufacturing cost for the user.

4) Adopt the utility model provides an independent type mould pressing cabin sealing device, at the in-process of in-service use, the work piece of treating processing can be in a station (promptly, is located the mould pressing under-deck all the time) accomplish technologies such as heating, punching press, cooling, and the mould does not need to remove, and then, can improve the control by temperature change precision greatly, and the stability of equipment is high.

Drawings

In order to illustrate the invention more clearly, the following description of the embodiments of the invention is given in brief with reference to the accompanying drawings, which are obviously only intended to illustrate the invention and are not to be construed as limiting the invention.

Fig. 1 is a schematic perspective view of an integrated molding press 100 according to an embodiment of the present invention;

fig. 2 is a schematic cross-sectional view of an integrated molding press 100 according to an embodiment of the present invention;

FIG. 3 is an enlarged view of the structure of portion A in FIG. 2;

FIG. 4 is an enlarged view of the structure of part B in FIG. 2;

fig. 5 is a schematic view illustrating an operating state of the independent molding cabin sealing device according to an embodiment of the present invention;

fig. 6 is a reference view illustrating a usage state of the integrated molding press 100 according to an embodiment of the present invention;

fig. 7 is a reference view illustrating the use of the integrated molding press 100 according to another embodiment of the present invention; and

fig. 8 is a flowchart illustrating the operation of the integrated molding press 100 according to the present invention.

Detailed Description

In order to make the technical problem, technical solution and advantageous effects solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to further explain the present invention in detail. It should be understood that the particular embodiments described herein are exemplary only, are for the purpose of illustrating the invention and are not to be construed as limiting the invention. It should also be understood that the following described examples of embodiments are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar functionality throughout.

Referring to fig. 1 to 5, an embodiment of the present invention provides an integrated molding press 100, which includes: the device comprises a station support 1, wherein a lower die 11 and a lower die heating device 12 for heating the lower die 11 are arranged in the station support 1; the punching rod 2 is arranged on the station support 1 and can move up and down, and the bottom end of the punching rod 2 is provided with an upper die 21 which forms a coaxial state with the lower die 11 and an upper die heating device 22 for heating the upper die 21; and the driving device 3 is used for driving the stamping rod 2 to move up and down so as to control the upper die 21 to move up and down, and further realize the demoulding and the mould closing of the upper die 21 and the lower die 11.

It is understood that the stamping bar 2 can be disposed on the station support 1 in various ways, and the present invention is not limited thereto. In some embodiments of the present invention, a guide rod support 4 is disposed on the station support 1, and the punching rod 2 is disposed on the station support 1 through the guide rod support.

It is also understood that the driving device 3 can be any driving device commonly used in the art, as long as the driving device can drive the punch rod 2 to move up and down to complete the mold releasing and closing action of the upper mold 21 and the lower mold 11, for example, the punch rod 2 can be driven to move up and down by a link transmission mechanism. In some embodiments of the present invention, as shown with reference to fig. 2, the driving device 3 includes: the punching device comprises a driving motor 31 fixedly arranged on the guide rod bracket 4 and a screw rod 32 fixedly connected with an output shaft (not marked in the figure) of the driving motor 31, wherein the upper end of the punching rod 2 is in threaded connection with the screw rod 32, and the driving motor 31 drives the screw rod 32 to rotate so as to drive the punching rod 2 to move up and down.

It is to be understood that the present invention is not particularly limited to a specific installation method of the driving motor 31, and it may be fixedly installed on the guide bar support 4 by various mechanisms. For example, in some embodiments of the present invention, the driving motor 31 is fixedly disposed on the guide bar support 4 (e.g., fixed on the upper panel 43 on the guide bar support 4) through the motor support. Similarly, the present invention has no special limitation on the connection mode between the screw rod 32 and the output shaft of the driving motor 31, and it can be connected together through various connection structures; for example, the screw 32 is in transmission connection with an output shaft of the driving motor 31 through a coupling 3-2. The specific structure and connection principle of the coupler are well known to those skilled in the art, and the present invention is not described herein again.

It can also be understood that the utility model discloses a driving motor 31 can be various motors, the utility model discloses there is not special restriction to this, for example, driving motor 31 can be the numerical control motor, and the numerical control motor have structure and principle and supply the position for technical staff in the field, the utility model discloses no longer describe repeatedly to this.

The upper mold 21 can be fixed to the bottom end of the ram rod 2 by various common structures and methods, such as welding, screwing, etc., and there is no special limitation to this, in some embodiments of the present invention, the upper mold 21 is fixed to the bottom end of the ram rod 2 by the upper mold support frame 21-1. Similarly, the lower mold 11 can be fixed in the station bracket 1 by various common structures and methods, but there is no particular limitation to this, for example, in some embodiments of the present invention, the lower mold 11 is fixed on the station substrate 13 in the station bracket 1 by the lower mold supporting frame 11-1.

Similarly, the upper end of the ram rod 2 may be screwed to the screw rod 32 through various structures, for example, a sleeve head may be fixedly sleeved on the upper end of the ram rod 2, and a threaded hole is formed in the sleeve head and connected to the screw rod 32 through the threaded hole, so that the sleeve head moves up and down along the screw rod 32 under the condition that the screw rod 32 rotates, thereby controlling the ram rod 2 to move up and down.

In some embodiments of the present invention, referring to fig. 2, the stamping rod 2 is a hollow structure, the upper end of the stamping rod 2 is sleeved on the screw rod 32 through the screw nut 33, and the lower end of the screw rod 32 extends into the hollow cavity 23 of the stamping rod 2. That is, in this embodiment, the punch rod 2 is of an empty tube structure, a lead screw nut 33 is fixedly provided on an inner wall of an upper end thereof, and is sleeved on the lead screw 32 through the lead screw nut 33, and further, when the lead screw 32 rotates, the lead screw nut 33 moves up and down along the lead screw 32, thereby controlling the punch rod 2 to move up and down. In this embodiment, during the up-and-down movement of the punching rod 2, since the screw rod 32 extends into the punching rod 2, the operation stability of the punching rod 2 can be ensured. It will be appreciated that the diameter of the screw 32 is slightly smaller than the internal diameter of the punch rod 2. Of course, in the other embodiments of the present invention, the punching rod 2 adopts an empty tube structure, and the inner wall of the upper end of the punching rod can be provided with a thread matching with the screw rod 32, and then the punching rod 2 can be directly sleeved on the screw rod 32.

For the stationarity of further improvement stamping rod 2 operation, in some embodiments of the utility model, the upper portion of guide arm support 4 is equipped with backup pad 41, be equipped with bottom suspension fagging 42 between guide arm support 4 and the station support 1 (guide arm support 4 and station support 1 can be in the same place through this bottom suspension fagging 42 fixed connection), still be equipped with guide arm 43 in the guide arm support 4, the one end and the last backup pad 41 fixed connection of guide arm 43, the other end and the bottom suspension fagging 42 fixed connection of guide arm 43, cup jointed the guide pin bushing 44 with stamping rod 2 fixed connection on the guide arm 43, guide pin bushing 44 can follow guide arm 43 and slide from top to bottom. Furthermore, when the punching rod 2 moves up and down on the screw rod 32, the punching rod 2 can drive the guide sleeve 44 to slide up and down along the guide rod 43, and the guide rod 43 can ensure the running stability of the punching rod 2 and prevent the punching rod 2 from rotating along with the screw rod 32.

It is to be understood that the present invention is not particularly limited as to the number of rods 43. For example, in some embodiments of the present invention, two guide rods 43 are provided in the guide rod holder 4. That is, the guide rods 43 may be respectively disposed at both sides of the punching bar 2, so that the operation stability of the punching bar 2 may be further improved. It will also be appreciated that the punch bar 2 can pass through the lower support plate 42 and be slidably connected to the lower support plate 42.

Further, in some embodiments of the present invention, the integrated molding press further includes a first temperature monitoring device (not shown in the figure) for monitoring the heating temperature of the upper mold 21, and a second temperature monitoring device (not shown in the figure) for monitoring the heating temperature of the lower mold 11. Furthermore, the first temperature monitoring device and the second temperature monitoring device can monitor the heating temperatures of the upper die 21 and the lower die 11 in real time, and can adjust and control the heating temperatures of the upper die 21 and the lower die 11 in real time.

It can be understood that the first temperature monitoring device and the second temperature monitoring device can adopt various commonly used temperature monitoring devices in the field, and the utility model discloses do not have special restriction to this. In some embodiments of the present invention, the first temperature monitoring device and the second temperature monitoring device are temperature sensors. Further, the temperature sensor monitors the temperatures of the upper mold 21 and the lower mold 11 in real time at a scanning frequency of millisecond order, and thus the heating temperatures of the upper mold 21 and the lower mold 11 can be controlled more precisely.

It is understood that various heating devices can be used for the upper mold heating device 22 and the lower mold heating device 12, and the present invention is not limited thereto. In some embodiments of the present invention, the upper mold heating device 22 and the lower mold heating device 12 are both heating plates, which are simple in structure and easy to control.

It will be appreciated that the station support 1 may be a sealed structure to provide a sealed environment when processing a workpiece.

Of course, the station support 1 may also be a non-sealing structure, in this embodiment, as shown in fig. 2, 4 and 5, a sealing cover cylinder 5 capable of sliding up and down may be sleeved on the lower end of the stamping rod 2, the inner side of the upper end of the sealing cover cylinder 5 is connected with the stamping rod 2 in a sealing manner through a silicone sealing ring 51, and the upper die 21 is disposed in the sealing cover cylinder 5; a station base plate 13 is arranged in the station support 1, an annular sealing table 14 matched with the sealing cover sleeve 5 is arranged on the station base plate 13, and the lower die 11 is arranged in the annular sealing table 14.

Namely, the utility model also discloses a sealing device of stand alone type mould pressing cabin, it includes sealed cowling sleeve 5 and

station base plate

13, and 5 covers of sealed cowling sleeve are established at the lower extreme of stamping rod 2, sealed

cowling sleeve

5 and 2 sealing connection of stamping rod, and bed die 11 sets up on station base plate 13, and stamping rod 2 can move down so that sealed cowling sleeve 5 and station base plate 13 butt are in order to form the mould pressing cabin. Further, an annular sealing table 14 is arranged on the station base plate 13, so that the sealing performance of the independent molding cabin sealing device can be further improved. It will be appreciated that after the closure sleeve 5 has been moved downwardly, it may abut against the upper surface of the annular sealing station 14 to form a moulded chamber, which may also be fitted around the periphery or inside the annular sealing station 14 to form a sealed moulded chamber.

In this embodiment, when a workpiece is processed, the stamping rod 2 moves downward to make the sealing cover sleeve 5 abut against the annular sealing table 14 on the station substrate 13, so that a sealed independent die pressing chamber can be formed at the lower end of the stamping rod 2, and further, the dies (i.e., the upper die 21 and the lower die 11) can be always in an independent sealed environment during high-temperature operation.

Moreover, because the dies (namely the upper die 21 and the lower die 11) are always in independent sealing environment during high-temperature work, the dies can be ensured not to be interfered by the temperature difference of the adjacent die pressing cabins in a series of repeated die pressing actions, and each independent die pressing cabin can be effectively controlled by temperature, thereby improving the quality stability of products. In addition, the independent die pressing cabin has small space, and compared with other die pressing equipment, more high-pressure nitrogen is saved under the same production efficiency, the purposes of energy conservation and emission reduction are achieved, and the production cost is reduced for users.

Meanwhile, in the actual use process, the workpiece to be processed can also complete the cooling process in the mould pressing cabin, and further, the workpiece to be processed can complete all the processes of heating, stamping, cooling and the like in one station (namely, always positioned in the mould pressing cabin), the mould does not need to be moved, and further, the temperature control precision of the mould can be greatly improved, and the stability of the equipment is high.

Further, in some embodiments of the present invention, nitrogen gas supply holes 15 and vacuum holes 16 are provided in the annular sealing table 14 to supply nitrogen gas to the molding chamber and to exhaust gas from the molding chamber during processing of a workpiece. It is to be understood that the present invention is not particularly limited to the number of the nitrogen gas supply holes 15 and the vacuum holes 16, and may be provided as needed, for example, two nitrogen gas supply holes 15 and two vacuum holes 16 may be provided, respectively. It is understood that the method of evacuation and nitrogen filling is well known to those skilled in the art, and the present invention is not described in detail herein. For example, referring to FIG. 4, a vacuum pump is connected to the evacuation hole 16 through a pipe 161 to evacuate the gas inside the molding chamber, and a nitrogen gas source is communicated to the nitrogen gas supply hole 15 through a pipe 151 to fill the molding chamber with nitrogen gas.

Further, in order to improve the heat insulation effect of the independent mold pressing chamber, in some embodiments of the present invention, as shown in fig. 4, the peripheral wall of the seal cover sleeve 5 has a double-layer hollow structure, and the inside of the hollow structure is filled with a heat insulation material 52.

It is understood that the boot seal sleeve 5 may be made of various materials, and the present invention is not limited thereto. In some embodiments of the present invention, the inner circumferential wall 5-2 and the outer circumferential wall 5-1 of the boot seal sleeve 5 are made of quartz glass, i.e., the body of the boot seal sleeve 5 is made of high temperature quartz glass, which can resist high temperature during the processing.

It is also understood that the present various insulating materials can be used as the insulating material 52, and the present invention is not limited thereto. In some embodiments of the present invention, the heat insulating material 52 is heat insulating cotton, which has good heat insulating effect.

That is, in this embodiment, by adopting the double-layer hollow structure of the sealing cover sleeve 5, the heat insulation cotton is filled in the hollow structure, so that the heat insulation effect of the independent mold pressing cabin can be greatly improved, the mold is further ensured not to be interfered by the temperature difference of the adjacent mold pressing cabin in a series of repeated mold pressing actions, each independent mold pressing cabin can be effectively controlled in temperature, and the quality stability of the product is improved.

Further, in order to improve the sealing performance of the seal cover sleeve 5, seal rings 53 are provided at both the upper end and the lower end of the seal cover sleeve 5. It can be understood that the present invention has no special limitation on the material of the sealing ring, and various commonly used sealing rings in the field can be adopted. In some embodiments of the present invention, the sealing cover sleeve 5 is provided with a high temperature resistant annular teflon sealing ring at its upper and lower ends. Further, during the machining, the seal ring 53 at the lower end of the seal cover sleeve 5 abuts against the annular seal land 14, thereby forming a sealed molding chamber.

Further, the inner side of the upper end of the sealing cover sleeve 5 is in sealing connection with the stamping rod 2 through a silica gel sealing ring 51, and the silica gel sealing ring 51 can move up and down relative to the stamping rod 2. Furthermore, the utility model discloses an upper end inboard of seal cover sleeve 5 carries out sealing connection through adjustable silica gel sealing washer and ram rod 2, and when the punching press work piece, ram rod 2 can continue the downstream by relative silica gel sealing washer 51, and seal cover sleeve 5 all the time with annular seal platform 14 butt, guarantees the leakproofness in the die holding cabin.

It is understood that the present invention is not limited to the specific structure of the upper mold 21 and the lower mold 11, and may be various optical glass lens processing molds commonly used in the art. In some embodiments of the present invention, referring to fig. 3, the lower portion of the upper mold 21 is provided with a groove 211, the diameter of the groove 211 matches with the lower mold 11, and the lower mold 11 can be inserted into the groove 211 when the upper mold 21 moves downward. The lower die 11 is confined in the recess 211 during the downward movement of the upper die 21, so that the coaxiality of the upper and lower dies can be increased, further increasing the manufacturing accuracy of the workpiece.

The following description briefly describes the working process of the integrated molding press apparatus with reference to fig. 8:

s1) placing the member to be processed on the lower mold 11 on the station base plate 13. It will be appreciated that various handling fixtures, such as a numerical control robot, may be used to place a workpiece to be processed, such as a lens blank, on the lower mold 11 on the station base plate 13. The utility model discloses do not have special restriction to removing the anchor clamps, it can be various numerical control manipulators, will treat that the processing work piece is placed after, control numerical control manipulator withdraws from to make things convenient for subsequent molding process.

S2) controls the punch rod 2 to move downwards by the driving device 3, so that the seal cover sleeve 5 arranged on the lower end of the punch rod 2 abuts against the station base plate 13 to form a sealed die pressing chamber (or the seal cover sleeve 5 abuts against the upper surface of the annular seal table 14 on the station base plate 13, or the seal cover sleeve 5 is sleeved on the outer surface or the inner surface of the annular seal table 14 on the station base plate 13, as long as the sealed die pressing chamber can be formed). For example, the screw 32 is driven by the driving motor 31 to rotate, and the punching rod 2 is driven to move downwards, and the upper die 21 and the lower die 11 arranged at the bottom end of the punching rod 2 start to be clamped, for example, the lower die 11 is inserted into the groove 211 in the upper die 21.

S3) removing air in the mould pressing cabin and filling nitrogen in the mould pressing cabin so as to ensure that the mould pressing cabin is under the protection of the nitrogen. For example, air in the molding chamber is evacuated through the evacuation holes 16, and nitrogen gas is introduced into the molding chamber through the nitrogen gas supply holes 15 so that the molding chamber is protected by the nitrogen gas.

S4) passing through a heating device (e.g.: the upper die heating device 22 and the lower die heating device 12) heats the upper die 21 and the lower die 11 to a molding temperature. For example, the upper mold 21 and the lower mold 11 are heated to the molding temperature of the workpiece to be processed respectively by the heat-generating plates, it can be understood that the upper mold 21 and the lower mold 11 need to be heated to 539 ℃ during processing because the molding temperature of the glass raw material of different workpieces to be processed is different, i.e. the molding temperature of different brands of optical glass lenses, for example, the brand of xinguang DZK-3 is taken as an example. Thus, the desired temperature of the die press can be determined for different workpieces to be processed. In the heating process, the temperatures of the upper mold 21 and the lower mold 11 can be monitored in real time at a scanning frequency of millisecond order by a temperature monitoring device (e.g., a temperature sensor), and the heating temperatures of the upper mold heating device 22 and the lower mold heating device 12 can be adjusted in real time by a temperature control module, so as to adjust the temperatures of the upper mold 21 and the lower mold 11 to the required molding temperature.

S5), when the workpiece to be processed reaches the required molding temperature, controlling the punching rod 2 to move downwards continuously, so that the upper die 21 and the lower die 11 complete the mold closing action, and keeping for a certain time to complete the punching and pressure maintaining actions. For example, the driving motor 31 continues to drive the screw rod 32 to rotate, and further continues to drive the punching rod 2 to move downwards, so that the upper die 21 and the lower die 11 complete the mold closing operation, and the pressing and pressure maintaining operation is completed after a certain time. At this time, the sealing cover sleeve 5 abuts against the station base plate 13 (or the annular sealing table 14 on the station base plate 13), the sealing cover sleeve 5 cannot move downwards continuously, but because the adjustable silica gel sealing ring 51 is arranged between the punching rod 2 and the sleeve 5, the punching rod 2 can move downwards relative to the silica gel sealing ring 51 under the action of the silica gel sealing ring 51, and then the upper die 21 can move downwards continuously under the driving of the punching rod 2, so that the forming surface of the upper die 21 is pressed onto the forming surface of the lower die 11. It is understood that the time requirements of the stamping process and the pressure holding process can be determined according to the glass raw materials of different workpieces to be processed.

S6) removing the high-temperature nitrogen in the mould pressing cabin, filling low-temperature nitrogen to reduce the temperature in the mould pressing cabin, and keeping for a certain time to finish the annealing action. That is, after the stamping and pressure maintaining process is completed, high-temperature nitrogen gas in the molding chamber is removed through the nitrogen gas supply hole 15 or the vacuum hole 16, and new low-temperature nitrogen gas is filled to reduce the temperature in the molding chamber (i.e., the temperature of the upper mold 21, the lower mold 11, and the workpiece can be reduced), and the annealing operation is completed by maintaining for a certain time. Since the upper mold heating device 22 and the lower mold heating device 12 work during the processing, the nitrogen in the molding chamber is also heated to high temperature nitrogen, and after the punching and pressure maintaining processes are completed, the temperature in the molding chamber can be reduced by removing the high temperature nitrogen in the molding chamber and filling new low temperature nitrogen. It will be appreciated that annealing of the workpiece may be performed by controlling the slow charging of new low temperature nitrogen gas. It can also be understood that the annealing process parameters (such as annealing time, temperature reduction speed, etc.) of workpieces of different materials are different, the utility model discloses there is not special restriction to the reduction rate of the temperature in the mould pressing cabin, and it can be adjusted in real time according to the workpiece of different materials, fills the reduction rate that can control the temperature in the mould pressing cabin through the speed that the adjustment was filled into low temperature nitrogen gas promptly to better completion annealing process. Furthermore, after the annealing is completed, the temperature in the die pressing cabin can be rapidly cooled by increasing the gas supply pressure of nitrogen, so that subsequent workpieces can be taken out conveniently, the cooling time of the workpieces can be saved, and the working efficiency is greatly improved.

S7) controls the punch lever 2 to move upward to raise the boot seal sleeve 5 and separate the upper die 21 from the lower die 11. That is, after the cooling is completed, the screw rod 32 is driven to rotate reversely by the driving motor 31, and the ram rod 2 is controlled to move upward, so that the boot seal sleeve 5 is lifted and the upper mold 21 is separated from the lower mold 11, thereby completing the separation of the upper and lower molds.

S8) taking out the formed workpiece from the lower die 11. That is, after the upper mold 21 is separated from the lower mold 11, the molded workpiece may be taken out of the lower mold 11 by a conveying jig (e.g., a numerical control robot).

Further, a plurality of sets of molding devices may be supported by a common station support 1, for example, as shown in fig. 6, the station support 1 supports two sets of molding devices at the same time, that is, two sets of molding devices are disposed on the station support 1, and the stations 1 of the two sets of molding devices are integrated, so that the overall production efficiency of the integrated molding device can be effectively improved by using the molding device configured in such a structure.

Of course, can understand, according to the utility model provides an integrated form moulding equipment, it is in the actual production process, refer to fig. 7 and show, can set to a plurality of modes of arranging side by side, a plurality of integrated form moulding equipment can work alone, namely, adopt a plurality of integrated form moulding equipment to put side by side, form the array, start in proper order according to the procedure during the start, because the production time of every station is the same, the product also produces in proper order and accomplishes, by the numerical control manipulator cooperation before the station array, accomplish the semi-manufactured goods delivery and the finished product collection of every station in proper order, and then can improve whole production efficiency.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the term "connected" is to be interpreted broadly, for example, as a fixed connection, a detachable connection, or an integral connection; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the description herein, references to the description of "one embodiment," "some embodiments," or "another embodiment," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims

1. The sealing device for the independent die pressing cabin is characterized by comprising a sealing cover sleeve and a station substrate, wherein the sealing cover sleeve is sleeved at the lower end of a punching rod and is in sealing connection with the punching rod, a lower die is arranged on the station substrate, an upper die which is in a coaxial state with the lower die is arranged at the bottom end of the punching rod, and the punching rod can move downwards so that the sealing cover sleeve is abutted to the station substrate to form the die pressing cabin.

2. A freestanding moulded cabin sealing arrangement according to claim 1, wherein the perimeter wall of the containment cover sleeve is a double-walled hollow structure, the interior of which is filled with a thermal insulating material.

3. A freestanding molding chamber seal device according to claim 2, wherein the inner and outer circumferential walls of the closure sleeve are made of quartz glass, the hollow structure of the closure sleeve is filled with thermal insulation wool, and the closure sleeve is provided with sealing rings at both its upper and lower ends.

4. The self-contained molding chamber sealing device according to claim 1, wherein said station substrate is provided with a nitrogen gas supply hole for supplying nitrogen gas to said molding chamber and a vacuum hole for exhausting gas in said molding chamber.

5. The self-contained molding cabin sealing device according to claim 1, wherein an upper mold heating device for heating the upper mold is provided on the upper mold, and a lower mold heating device for heating the lower mold is provided on the lower mold.

6. The self-contained molding press compartment sealing apparatus of claim 5, wherein the upper mold heating apparatus and the lower mold heating apparatus are both heat-generating plates.

7. The self-contained molding press compartment sealing apparatus of claim 1, wherein said boot seal sleeve is sealingly connected to said ram rod by a silicone gasket, said silicone gasket being movable up and down relative to said ram rod.

8. A freestanding molding chamber sealing device according to claim 1, wherein the lower portion of the upper mold is provided with a recess having a diameter matching that of the lower mold, the lower mold being nestable within the recess as the upper mold moves downwardly.

9. The freestanding molding cell seal of claim 1, wherein an annular seal land is provided on the station substrate for engaging the closure sleeve, the ram being moved downwardly to bring the closure sleeve into abutment with the annular seal land to form the mold ballast.