CN212288481U

CN212288481U - Flexible zooming molding glasses 3D copying intelligent manufacturing device

Info

Publication number: CN212288481U
Application number: CN202020434706.XU
Authority: CN
Inventors: 杨卫民; 宋乐
Original assignee: Beijing University of Chemical Technology
Current assignee: Beijing University of Chemical Technology
Priority date: 2020-03-30
Filing date: 2020-03-30
Publication date: 2021-01-05
Anticipated expiration: 2030-03-30

Abstract

The utility model provides a flexible mould glasses 3D that zooms moulds copies intelligent manufacturing installation, the basic constitution includes cover half and movable mould, the cover half includes cover half fixed plate, cover half support, cover half base plate and terrace die again, the movable mould includes movable mould fixed plate, movable mould support, movable mould base plate and die, the terrace die adopts bellied metal diaphragm, and the metal diaphragm rear side is filled through oil filler point injection hydraulic oil, changes the filling volume and the filling pressure of filling hydraulic oil, utilizes the metal diaphragm front and back pressure differential to change the camber that the metal diaphragm constitutes the mould die cavity. The female die is provided with a lens forming concave surface, and the connecting part at the rear of the concave surface is provided with an adjusting screw for adjusting the distance between the female die and the male die so as to obtain cavities with different thickness specifications. The utility model discloses the lens of multiple focus can be produced to one set of mould, has avoided manufacturing the wasting of resources that a large amount of moulds caused for different number of degrees lenses, can also carry out the quick adjustment of product specification, has wider individualized customization adaptability.

Description

Flexible zooming molding glasses 3D copying intelligent manufacturing device

Technical Field

The utility model relates to an optical lens and glasses make technical field, concretely relates to flexible zoom mould lens 3D copies intelligent manufacturing technique.

Background

Injection molding (injection molding for short) is increasingly used in modern manufacturing. According to a technical classification system of 3D printing additive manufacturing, injection molding belongs to material manufacturing such as 3D copying. The 3D copying method is particularly suitable for large-scale and low-cost production of various high-precision plastic products and parts. With the rapid development of the plastic industry and the cross fusion of the plastic industry in the fields of aviation, aerospace, electronics, machinery, automobiles and the like, injection molding equipment becomes the most important production master machine in the modern manufacturing industry. The injection molding technology is also one of the main means for producing optical lenses instead of the glass product industry.

The optical lens and the glasses made of the high polymer material are formed by injection molding, and the steps of mold closing, injection molding, pressure maintaining, mold opening, workpiece taking and the like are included. The key to the manufacturing technology level is the base material and the process equipment, in which the mould system is the core. Home and abroad patents mainly focus on the precision aspect aiming at the improvement of optical lenses and glasses forming molds, for example, patent 314201821261837.1 provides a high-definition lens injection forming mold, and the mold closing is realized twice by adding the matching of a movable mold core, a hydraulic oil cylinder, a limit screw and a slingshot, so that the injection-formed lens achieves the effects of high density and high brightness, the common problems of shrinkage of flow lines and clamping lines and the like are solved, and the qualification rate is greatly improved; patent 314201820052671.6 provides an optical mold for injection molding an optical lens that can improve the molding accuracy of the injection molded lens, etc.

However, the prior art at home and abroad can only achieve one lens and one mold at present, and corresponding molds are needed to be manufactured for producing lenses with different degrees (focal lengths), so that the production cost is high and the efficiency is low. Therefore, the utility model discloses the innovation provides the intelligent manufacturing technique of varifocal die cavity flexible moulding 3D copying lens, and the lens of different numbers of degrees can be produced to same set of mould system, not only reduces the mould totality and drops into, saves the retooling time, more is favorable to realizing the extensive individualized customization that intelligent cloud made.

SUMMERY OF THE UTILITY MODEL

The utility model provides a flexible zoom molding glasses 3D copies intelligent manufacturing installation and method, device mainly relate to the mould system, constitute including cover half and movable mould basically, the cover half includes cover half fixed plate, cover half support, cover half base plate and terrace die again, the movable mould includes movable mould fixed plate, movable mould support, movable mould base plate and die. The method is characterized in that: the male die adopts a convex metal diaphragm, hydraulic oil is injected into the rear side of the metal diaphragm through an oil injection hole for filling, the filling amount and filling pressure of the filled hydraulic oil are changed, and the curvature of a die cavity formed by the metal diaphragm is changed by utilizing the front-back pressure difference of the metal diaphragm. The female die is provided with a lens forming concave surface, and the connecting part at the rear of the concave surface is provided with an adjusting screw for adjusting the distance between the female die and the male die so as to obtain cavities with different thickness specifications. The metal diaphragm department still is equipped with the displacement sensor of high accuracy for measure the displacement of metal diaphragm and convert the camber into, through the pressure of the hydraulic oil behind the regulation terrace die, make the mould die cavity obtain different curvatures, and obtain the die cavity of different thickness through die side adjusting bolt, based on the PVT characteristic parameter of reality in the actual production process, the lens or the glasses of different curvatures and thickness are made in the mutual cooperation of unsmooth membrane, thereby reduce and open new mould expense and retooling time.

In order to achieve the above function, the utility model discloses the technical scheme who takes is: the intelligent manufacturing device for 3D copying of the flexible zoom molding lens mainly comprises a die system, a fixed die and a movable die, wherein the fixed die comprises a fixed die fixing plate, a fixed die support, a fixed die base plate, a male die, a metal diaphragm, a pressing plate, a hydraulic pipe joint, a displacement sensor, a sensor fixing plate, a sealing ring and an injection port; the movable mould comprises a movable mould fixing plate, a movable mould support, a movable mould base plate, a concave mould cylinder, a threaded column, a stud fixing plate, a sleeve, a handle and a flat key. The fixed die fixing plate is a square metal plate, a square hole is formed in the middle of the fixed die fixing plate, circular stepped holes are formed in four corners of the fixed die fixing plate respectively, and the fixed die fixing plate can be fixed on a fixed die plate of the injection molding machine through corresponding clamps; the fixed die support is connected with the fixed die fixing plate through the threaded hole by using a screw and fixed on the left side and the right side of the fixed die fixing plate; the fixed die base plate is a square metal plate, a circular die cavity hole is formed in the middle of the fixed die base plate, a circular runner hole is formed in the side face of the die cavity hole, a semicircular groove runner is connected between the die cavity hole and the runner hole, the front surface of the fixed die base plate is polished to be used as a die assembly surface, a stepped through hole is formed in each of four corners of the fixed die base plate, the four holes are connected and fixed with threaded holes of a fixed die support through bolts, the die cavity hole in the center of the fixed die base plate is a stepped blind hole, three threaded holes which are 120 degrees apart are formed in the stepped hole and avoid the runner hole, and a hydraulic oil runner is arranged at the rear part of the die cavity hole of the fixed die base plate in the direction perpendicular to; the injection port is a metal pipe, the metal pipe is mutually connected with a runner hole of the fixed die base plate through welding, the injection port is fixed on the reverse side of the die assembly surface, the pipeline is communicated with the runner face, the male die consists of a metal diaphragm and a pressing plate, the metal diaphragm is in a metal sheet with flat periphery and convex middle, three holes are formed in the edge of the metal diaphragm, and the three holes are spaced at an angle of 120 degrees around the circle center; the pressing plate is an annular thin metal plate, the middle thin edge is thick and is in a step shape, the diameter of a large circle of the middle thin ring is the same as that of the metal diaphragm, and three circular stepped holes with the interval angle of 120 degrees are formed in the edge of the pressing plate; the metal diaphragm and the pressure plate are fixed on the ladder of the middle hole of the fixed die base plate and are in threaded connection through the three holes. The hydraulic pipe joint is a metal pipe joint, is connected to an outlet of a hydraulic oil flow channel on the side surface of the fixed die substrate through threads, is connected with a hydraulic system, and provides pressure in the direction of an arrow. The movable mould fixing plate is a square metal plate, a square hole is formed in the middle of the movable mould fixing plate, circular stepped holes are formed in four corners of the movable mould fixing plate respectively, and the movable mould fixing plate can be fixed on a movable mould plate of the injection molding machine through corresponding clamps; the movable mould support is provided with two movable mould supports which are of the same structure and are rectangular, through holes which are communicated from left to right are formed in two ends of each strip, threads are tapped on the through holes, and the movable mould supports are connected with the movable mould fixing plate through the threaded holes by using screws and are fixed on the left side and the right side of the movable mould fixing plate; the movable mold base plate is a square metal plate, a circular step mold cavity hole is formed in the middle of the movable mold base plate, the front surface of the movable mold base plate is polished to be used as a mold clamping surface, step through holes are formed in the periphery of the movable mold base plate, and the movable mold base plate is connected and fixed with the threaded holes of the movable mold support through bolts; the concave die cylinder is a stepped cylinder, is inserted into a stepped die cavity hole in the center of the movable die substrate, meets the sealing requirement in a matching way and can slide back and forth; the large-diameter circular end face of the cylinder is a forming concave die of a curved lens, a circular hole is formed in the center of the small-diameter end of the cylinder, and two A-shaped flat key grooves with 180-degree intervals are formed in the periphery of the circular hole. The female die cylinder concave surface back circular port is inserted and is had the screw thread post to be used for screw drive, and through A type parallel key and screw thread column connection, the screw thread post other end all screwed sleeve in a inside and outside through threaded connection, the external screw thread of sleeve and the internal thread connection of fixing the double-screw bolt fixed plate on the movable mould base plate, sleeve trailing end connection has the handle, and the handle is an outer hexagonal cylindricality, and the center is porose, is connected through two A type parallel keys at interval 180 with the sleeve through this hole.

Furthermore, a displacement sensor is arranged on the concave side of the metal diaphragm and used for measuring the deformation of the metal diaphragm, the displacement sensor is arranged on the opposite side of the die assembly surface, an ejector rod of the sensor penetrates through a small hole at the bottom of a central die cavity hole of the fixed die substrate and is inserted into the die cavity hole and abuts against the rear part of the metal diaphragm, a groove is formed in the small hole at the bottom, and a sealing ring is placed in the groove; the sensor fixing plate is a square metal plate, two sides of the edge of the sensor fixing plate are convex, the middle of the sensor fixing plate is concave, two through circular stepped holes are formed in two sides of the metal plate, the rear surface of the fixed die base plate is provided with threaded holes corresponding to the holes of the sensor fixing plate, the sensor fixing plate is fixed on the fixed die base plate through bolts, and a circular through hole is formed in the middle of the sensor fixing plate so that the displacement sensor can penetrate through the sensor fixing plate and plays roles in positioning and protecting the displacement sensor.

The utility model provides a flexible zoom molding glasses 3D copies intelligent manufacturing installation, its cover half base plate can be a rectangular metal sheet, and it has the circular shape runner hole to open in the middle of the metal sheet, and runner hole bilateral symmetry opens there are two die cavity holes, has the semicircular slot runner to be connected between die cavity hole and the runner hole, and cover half base plate front surface polishing is as the die joint face, and cover half base plate four corners respectively has a ladder through-hole. The male die, the metal diaphragm, the pressing plate, the hydraulic pipe joint, the displacement sensor sealing ring, the sensor and the sensor fixing plate are respectively provided with two sets, and the two sets are connected relative to the die cavity hole of the fixed die base plate in the same way as the embodiment to form two symmetrical adjustable die cavities. Correspondingly, the movable mold base plate is also provided with two mold cavity holes corresponding to the fixed mold base plate. The female die cylinder, the threaded column, the stud fixing plate, the sleeve, the handle and the A-shaped flat key are also provided with two sets, and the female die cylinder, the threaded column, the stud fixing plate, the sleeve, the handle and the A-shaped flat key are connected relative to the two die cavity holes of the movable die base plate in the same way as the embodiment described above to form two symmetrical adjustable die cavities. This results in two fully symmetrical adjustable cavities in one mold.

The utility model provides a flexible zooming mould glasses 3D copies intelligent manufacturing installation, when the injection, two die cavitys are for injection port symmetry, and the reaction force that produces when can making the injection is balanced each other, is favorable to improving the injection moulding precision.

The utility model provides a flexible mould glasses 3D that zooms duplicates intelligence manufacturing installation, each contains two die cavities that are used for the shaping lens on cover half base plate and the movable mould base plate, this die cavity is no longer circular, but the shape of actual lens, meanwhile, still be used for the shaping to load the die cavity of the mirror holder of lens on cover half base plate and the movable mould base plate, the die cavity of lens and the die cavity of mirror holder, the assembly relation structure according to complete glasses completely, form the die cavity the same with eyes integral structure, realize the one shot forming and the flexible manufacturing of whole glasses.

The utility model provides an intelligent forming method for carrying out intelligent 3D copying manufacturing by utilizing a flexible zoom molding glasses intelligent 3D copying manufacturing device, which comprises the steps of firstly twisting a handle to adjust the position of a concave mold cylinder, so that a mold cavity is changed into the thickness required by a lens; then the fixed die and the movable die are assembled, hydraulic oil with certain pressure is injected into a cavity at the rear part of the diaphragm, and the diaphragm is deformed to the required curvature by reading the reading of the displacement sensor; injecting the polymer into a mold cavity, keeping the pressure constant, adjusting the hydraulic oil pressure to keep the reading of the displacement sensor unchanged, namely the curvature of the diaphragm is unchanged, tracking displacement data at all times in the molding process to adjust the curvature of the diaphragm, and finally demolding to obtain the required lens product.

The intelligent manufacturing method for the 3D copying of the flexible zoom molding lens comprises the steps of firstly twisting a handle to adjust the position of a cylinder of a female die, so that a die cavity is changed into the thickness required by the lens. And then the fixed die and the movable die are assembled, hydraulic oil with certain pressure is injected into the cavity at the rear part of the diaphragm, and the diaphragm is deformed to the required curvature by reading the reading of the displacement sensor. Injecting the polymer into a mold cavity, keeping the pressure constant, adjusting the pressing-in amount of hydraulic oil according to a polymer pressure-specific volume-temperature relation characteristic curve, ensuring that the volume of the material in the mold cavity is kept constant in the cooling process, and finally demolding to obtain the required lens product.

The utility model has the advantages of that:

1. one set of mould can produce the lens of multiple focus, has avoided manufacturing the wasting of resources that a large amount of moulds caused for the lens of different degrees, has reduced manufacturing cost by a wide margin.

2. The product specification can be rapidly adjusted, and flexible and efficient manufacturing of the internet cloud manufacturing platform is facilitated.

3. The method is suitable for producing lenses with certain nonstandard powers, and has wider personalized customization adaptability.

Drawings

Fig. 1 is the structure schematic diagram of the fixed mold of the flexible zoom molding glasses 3D copying intelligent manufacturing device of the present invention.

Fig. 2 is a schematic structural diagram of the movable mold of the flexible zoom molding glasses 3D copying intelligent manufacturing device of the present invention.

Fig. 3 is a sectional view of the cover half of the flexible zoom molding glasses 3D copying intelligent manufacturing device of the present invention.

Fig. 4 is a sectional view of the movable mold of the flexible zoom molding glasses 3D copying intelligent manufacturing device of the present invention.

Fig. 5 is the three-dimensional schematic view of the mold closing of the intelligent manufacturing device for 3D copying of flexible zoom molding glasses of the present invention.

Fig. 6 is a sectional view of the mold assembly of the flexible zoom molding glasses 3D copying intelligent manufacturing device of the present invention.

Fig. 7 is the two-chamber matched molds three-dimensional drawing of the flexible zoom molding glasses 3D copying intelligent manufacturing device of the utility model.

Fig. 8 is a sectional view of the two-cavity mold assembly of the flexible zoom molding glasses 3D copying intelligent manufacturing device of the present invention.

Fig. 9 is the utility model discloses flexible zoom mould glasses 3D copies intelligent manufacturing device whole movable mould structure sketch map of shaping glasses.

Fig. 10 is the whole static model structure schematic diagram of the flexible zoom molding glasses 3D copying intelligent manufacturing device forming glasses of the present invention.

In the figure: 1-fixed die, 2-movable die, 3-fixed die fixing plate, 4-fixed die support, 5-fixed die base plate, 6-male die, 7-metal diaphragm, 8-pressing plate, 9-hydraulic pipe joint, 10-displacement sensor, 11-sensor fixing plate, 12-displacement sensor sealing ring, 13-injection port, 14-movable die plate, 15-movable die fixing plate, 16-movable die base plate, 17-female die, 18-female die cylinder, 19-threaded column, 20-stud fixing plate, 21-sleeve, 22-handle, 23-A type flat key and 24-product.

Detailed Description

The utility model provides a flexible zoom molding glasses 3D copies intelligent manufacturing installation, as shown in fig. 1 to 6, including cover half 1 and movable mould 2, cover half 1 includes cover half fixed plate 3, cover half support 4, cover half base plate 5 and terrace die 6, metal diaphragm 7, clamp plate 8, hydraulic pressure union coupling 9, displacement sensor 10, sensor fixed plate 11, sealing washer 12 and injection port 13 from last to down; the movable die 2 comprises a movable die fixing plate 14, a movable die support 15, a movable die base plate 16, a female die 17, a female die cylinder 18, a threaded column 19, a stud fixing plate 20, a sleeve 21, a handle 22 and a flat key 23 from bottom to top. The fixed die fixing plate 3 is a square metal plate, a square hole is formed in the middle of the fixed die fixing plate 3, circular stepped holes are formed in four corners of the fixed die fixing plate 3 respectively, and the fixed die fixing plate 3 can be fixed on a fixed die plate of an injection molding machine through corresponding clamps; the fixed die support 4 has two same structures and is a rectangular long strip, through holes which are communicated from left to right are formed in two ends of the long strip, threads are tapped on the through holes, and the fixed die support 4 is connected with the fixed die fixing plate 3 through the threaded holes by using screws and is fixed on the left side and the right side of the fixed die fixing plate 3; the fixed die base plate 5 is a square metal plate, a circular die cavity hole is formed in the middle of the fixed die base plate, a circular runner hole is formed in the side face of the die cavity hole, a semicircular groove runner is connected between the die cavity hole and the runner hole, the front surface of the fixed die base plate 5 is polished to be used as a die matching surface, a stepped through hole is formed in each of four corners of the fixed die base plate 5 and is connected and fixed with a threaded hole of the fixed die support 4 through bolts, the die cavity hole in the center of the fixed die base plate 5 is a stepped blind hole, three threaded holes which are 120 degrees apart are formed in each stepped hole and avoid the runner hole, and a hydraulic oil runner is arranged at the rear part of the die cavity hole of the fixed die base plate 5 in the direction perpendicular to the runner hole and; the injection port 13 is a metal tube, the metal tube is connected with the runner hole of the fixed die base plate 5 by welding, the metal tube is fixed on the reverse side of the matched die surface, the pipeline is communicated with the runner, the male die 6 consists of a metal diaphragm 7 and a pressing plate 8, the metal diaphragm 7 is in a metal sheet with flat periphery and convex middle, three holes are formed in the edge of the metal diaphragm 7, and the three holes are spaced at an angle of 120 degrees around the circle center; the pressing plate 8 is an annular thin metal plate, the middle thin edge is thick and is in a step shape, the diameter of a large circle of the middle thin ring is the same as that of the metal diaphragm 7, and three circular step holes with the interval angle of 120 degrees are formed in the edge of the pressing plate 8; the metal diaphragm 7 and the pressure plate 8 are fixed on the ladder of the middle hole of the fixed die base plate 5 and are in threaded connection through three holes. The hydraulic pipe joint 9 is a metal pipe joint, is connected to an outlet of a hydraulic oil flow passage on the side surface of the fixed die substrate 5 through threads, is connected with a hydraulic system, and provides pressure in the arrow direction. The movable die fixing plate 14 is a square metal plate, a square hole is formed in the middle of the movable die fixing plate 14, circular stepped holes are formed in four corners of the movable die fixing plate 14 respectively, and the movable die fixing plate 14 can be fixed on a movable die plate of the injection molding machine through a clamp; the two movable mold supports 15 are of the same structure and are rectangular, through holes which are through from left to right are formed in the two ends of the strip shape, threads are tapped on the through holes, and the movable mold supports 15 are connected with the movable mold fixing plate 14 through the threaded holes by using screws and are fixed on the left side and the right side of the movable mold fixing plate 14; the movable mold base plate 16 is a square metal plate, a circular stepped mold cavity hole is formed in the middle of the movable mold base plate, the front surface of the movable mold base plate 16 is polished to be used as a mold matching surface, stepped through holes are formed in the periphery of the movable mold base plate 16, and the four holes are connected and fixed with threaded holes of the movable mold support 15 through screws; the female die cylinder 18 is a stepped cylinder, and the female die cylinder 18 is inserted into a stepped die cavity hole in the center of the movable die base plate 16, and can meet the sealing requirement in a matching way and can slide back and forth; the large-diameter circular end face of the cylinder is a forming concave die of a curved lens, a circular hole is formed in the center of the small-diameter end of the cylinder, and two A-shaped flat key grooves with 180-degree intervals are formed in the periphery of the circular hole. The screw column 19 is inserted into a circular hole in the back of the concave surface of the female die cylinder 18 for screw transmission and is connected with the screw column 19 through an A-shaped flat key 23, the other end of the screw column 19 is connected with a sleeve 21 which is connected with a screw on the inner side and the outer side through a screw, the external screw of the sleeve 21 is connected with the internal screw of a stud fixing plate 20 fixed on the movable die base plate 16, the tail end of the sleeve 21 is connected with a handle 22, the handle 22 is an outer hexagonal cylinder, the center of the handle is provided with a hole, and the handle is connected with the sleeve 21 through two A-shaped flat.

Further, a displacement sensor 10 is arranged on the concave side of the metal diaphragm 7 and used for measuring the deformation of the metal diaphragm 7, the displacement sensor 10 is arranged on the opposite side of the die matching surface, an ejector rod of the sensor 10 penetrates through a small hole at the bottom of a central die cavity hole of the fixed die base plate 5 and is inserted into the die cavity hole and abuts against the rear part of the metal diaphragm 7, a groove is formed in the small hole at the bottom, and a sealing ring 12 is placed in the groove; the sensor fixing plate 11 is a square metal plate, two sides of the edge of the metal plate are convex, the middle of the metal plate is concave, two through circular stepped holes are respectively arranged on two sides of the metal plate, a threaded hole corresponding to the hole of the sensor fixing plate 11 is formed in the rear surface of the fixed die base plate 5, the sensor fixing plate 11 is fixed on the fixed die base plate 5 through a bolt, a circular through hole is formed in the middle of the sensor fixing plate 11, so that the displacement sensor 10 penetrates through the through hole, and the positioning and protection effects on the displacement sensor 10 are achieved.

According to the structure, the utility model discloses a theory of operation does: after the fixed die 1 and the movable die 2 are matched, as shown in fig. 5 and 6, according to the curvature of the required injection molding lens: the metal diaphragm 7 is deformed by changing the flow and pressure of hydraulic oil entering the concave cavity of the metal diaphragm 7, the deformation of the metal diaphragm 7 is measured by the displacement sensor 10 for feedback control, the deformation relation caused by the pressure of a cavity during injection and the front-back pressure difference of the metal diaphragm 7 is combined, the needed curvature of the lens is obtained, and the thickness of the lens is set by adjusting the displacement of a concave cylinder 18 of a concave die through an adjusting spiral structure connected with the back of the concave die 17. The stud and the connected die cylinder 18 are pushed to advance and retreat through screw transmission mainly by rotating the handle 22, and the adjusting screw plays a self-locking role, so that the injection molding is more stable. After the curvature and the thickness are adjusted, molten plastic is injected into the cavity through the runner through the injection port 13, in the process that the pressure of the cavity changes along with the injection pressure and the molding shrinkage, the oil pressure changes in proportion along with the pressure of the cavity, so that the accuracy of the curvature of the male die 6 is ensured, then pressure maintaining cooling is carried out, the die is opened, and the product 24 is taken out by a mechanical hand. Therefore, the flexible injection molding of the lens can be realized by performing injection molding on the lens with different curvatures and thicknesses through a pair of molds.

According to the embodiment, the utility model provides a flexible zoom molding glasses 3D copies intelligent manufacturing installation, as shown in fig. 7 fig. 8 its cover half base plate 5 can be a rectangular metal sheet, it has the circular shape runner hole to open in the middle of the metal sheet, runner hole bilateral symmetry opens there are two die cavity holes, there is the semicircular slot runner to be connected between die cavity hole and the runner hole, 5 front surface polishing of cover half base plate are as the compound die face, 5 four corners of cover half base plate respectively have a ladder through-hole. The male die 6, the metal diaphragm 7, the pressing plate 8, the hydraulic pipe joint 9, the displacement sensor 10, the displacement sensor sealing ring 12, the sensor 10 and the sensor fixing plate 11 are provided with two sets, and the two sets are connected with respect to the die cavity hole of the fixed die base plate 5 in the same way as the embodiment described above to form two symmetrical adjustable die cavities. Correspondingly, the movable mold base plate 16 is also provided with two mold cavity holes corresponding to the fixed mold base plate 5. The female die cylinder 18, the threaded post 19, the stud fixing plate 20, the sleeve 21, the handle 22 and the a-shaped flat key 23 are also provided in two sets, and are connected with respect to the two die cavity holes of the movable die base plate 16 in the same manner as in the above-described embodiments to form two symmetrical adjustable die cavities. This results in two fully symmetrical adjustable cavities in one mold.

When injecting, the two cavities are symmetrical with respect to the injection port 13, so that the reaction forces generated during injection can be balanced with each other, which contributes to improving the precision of injection.

According to the above utility model, the utility model provides a flexible zoom molding glasses 3D copies intelligent manufacturing installation, as shown in fig. 9 and fig. 10, its characterized in that each contains two die cavitys that are used for the shaping lens on its cover half base plate 5 and the movable mould base plate 16, this die cavity no longer is circular, but the shape of actual lens, meanwhile, still have the die cavity that is used for the shaping mirror holder that loads the lens on cover half base plate 5 and the movable mould base plate 16, the die cavity of lens and the die cavity of mirror holder construct according to the relation of assembly of complete glasses completely, form the die cavity the same with the whole structure of glasses.

By utilizing the mold, the whole one-step molding of the glasses with different degrees can be realized through one-step injection molding.

The utility model provides a flexible zoom molding glasses 3D copies intelligent manufacturing method, its step includes, at first wrench movement handle 22 adjusts the position of die cylinder 18, makes the die cavity become the required thickness of lens. And then the fixed die 1 and the movable die 2 are matched, hydraulic oil with certain pressure is injected into a cavity at the rear part of the diaphragm 7, and the diaphragm 7 is deformed to the required curvature by reading the reading of the displacement sensor 10. And injecting the polymer into the mold cavity, keeping the pressure constant, and adjusting the hydraulic oil pressure to keep the reading of the displacement sensor 10 unchanged, namely the curvature of the diaphragm unchanged, in the molding process, adjusting the curvature of the diaphragm according to the displacement value of the displacement sensor 10 at any moment, and finally demolding to obtain the required lens product 24.

The utility model provides a flexible zoom molding glasses 3D copies intelligent manufacturing method, its step includes, at first wrench movement handle 22 adjusts the position of die cylinder 18, makes the die cavity become the required thickness of lens. And then the fixed die 1 and the movable die 2 are matched, hydraulic oil with certain pressure is injected into a cavity at the rear part of the diaphragm 7, and the diaphragm 7 is deformed to the required curvature by reading the reading of the displacement sensor 10. Injecting the polymer into the mold cavity, keeping the pressure constant, adjusting the pressing-in amount of the hydraulic oil according to the characteristic curve of the relationship between the polymer pressure, the specific volume and the temperature, ensuring that the volume of the material in the mold cavity is kept constant in the cooling process, and finally demolding to obtain the required lens product 24.

While the invention has been particularly shown and described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.

Claims

1. Flexible zooming mould glasses 3D copies intelligent manufacturing installation, including cover half and movable mould, its characterized in that: the fixed die comprises a fixed die fixing plate, a fixed die support, a fixed die base plate, a male die, a metal diaphragm, a pressing plate, a hydraulic pipe joint, a displacement sensor, a sensor fixing plate, a sealing ring and an injection port; the movable die comprises a movable die fixing plate, a movable die support, a movable die base plate, a female die cylinder, a threaded column, a stud fixing plate, a sleeve, a handle and a flat key; the fixed die fixing plate is a square metal plate, a square hole is formed in the middle of the fixed die fixing plate, circular stepped holes are formed in four corners of the fixed die fixing plate respectively, and the fixed die fixing plate is fixed on a fixed die plate of the injection molding machine through a clamp; the fixed die support is provided with two fixed die support seats, the two fixed die support seats have the same structure and are in a strip shape, through holes which are communicated from left to right are formed in the two ends of each fixed die support seat, threads are tapped on the through holes, and the fixed die support seats are connected with the fixed die fixing plate through the threaded holes by using screws and are fixed on the left side and the right side of the fixed die fixing plate; the fixed die base plate is a square metal plate, a circular die cavity hole is formed in the middle of the fixed die base plate, a circular runner hole is formed in the side face of the die cavity hole, a semicircular groove runner is connected between the die cavity hole and the runner hole, the front surface of the fixed die base plate is polished to be used as a die assembly surface, a stepped through hole is formed in each of four corners of the fixed die base plate, the four holes are connected and fixed with threaded holes of a fixed die support through bolts, the die cavity hole in the center of the fixed die base plate is a stepped blind hole, three threaded holes which are 120 degrees apart are formed in the stepped hole and avoid the runner hole, and a hydraulic oil runner is arranged at the rear part of the die cavity hole of the fixed die base plate in the direction perpendicular to; the injection port is a metal pipe, the metal pipe is mutually connected with a runner hole of the fixed die base plate through welding, the injection port is fixed on the reverse side of the die assembly surface, the pipeline is communicated with the runner, the male die consists of a metal diaphragm and a pressing plate, the metal diaphragm is in a metal sheet with flat periphery and convex middle, three holes are formed in the edge of the metal diaphragm, and the three holes are spaced at an angle of 120 degrees around the circle center; the pressing plate is an annular thin metal plate, the middle thin edge is thick and is in a step shape, the diameter of a large circle of the middle thin ring is the same as that of the metal diaphragm, and three circular stepped holes with the interval angle of 120 degrees are formed in the edge of the pressing plate; the metal diaphragm and the pressure plate are fixed on a step of a middle hole of the fixed die base plate and are in threaded connection through three holes; the hydraulic pipe joint is a metal pipe joint, is connected to an outlet of a hydraulic oil runner on the side surface of the fixed die base plate through threads and is connected with a hydraulic system, the movable die fixing plate is a square metal plate, a square hole is formed in the middle of the movable die fixing plate, circular stepped holes are formed in four corners of the movable die fixing plate respectively, and the movable die fixing plate is fixed on a movable die plate of the injection molding machine through a clamp; the movable mould support is provided with two movable mould supports which are of the same structure and are rectangular, through holes which are communicated from left to right are formed in two ends of each strip, threads are tapped on the through holes, and the movable mould supports are connected with the movable mould fixing plate through the threaded holes by using screws and are fixed on the left side and the right side of the movable mould fixing plate; the movable mold base plate is a square metal plate, a circular step mold cavity hole is formed in the middle of the movable mold base plate, the front surface of the movable mold base plate is polished to be used as a mold clamping surface, step through holes are formed in the periphery of the movable mold base plate, and the movable mold base plate is connected and fixed with the threaded holes of the movable mold support through bolts; the concave die cylinder is a stepped cylinder, is inserted into a stepped die cavity hole in the center of the movable die substrate, meets the sealing requirement in a matching way and can slide back and forth; the large-diameter circular end face of the cylinder is a forming concave die of a curved lens, a circular hole is formed in the center of the small-diameter end of the cylinder, and two A-shaped flat key grooves with 180-degree intervals are formed in the periphery of the circular hole; the female die cylinder concave surface back circular port is inserted and is had the screw thread post to be used for screw drive, and through A type parallel key and screw thread column connection, the screw thread post other end all screwed sleeve in a inside and outside through threaded connection, the external screw thread of sleeve and the internal thread connection of fixing the double-screw bolt fixed plate on the movable mould base plate, sleeve trailing end connection has the handle, and the handle is an outer hexagonal cylindricality, and the center is porose, is connected through two A type parallel keys at interval 180 with the sleeve through this hole.

2. The flexible zoom molded glasses 3D copying intelligent manufacturing device according to claim 1, characterized in that: a displacement sensor is arranged on the concave side of the metal diaphragm and used for measuring the deformation of the metal diaphragm, the displacement sensor is arranged on the opposite side of the die assembly surface, an ejector rod of the sensor penetrates through a small hole at the bottom of a central die cavity hole of the fixed die substrate and is inserted into the die cavity hole and abuts against the rear part of the metal diaphragm, a groove is formed in the small hole at the bottom, and a sealing ring is placed in the groove; the sensor fixing plate is a square metal plate, two sides of the edge of the sensor fixing plate are convex, the middle of the sensor fixing plate is concave, two through circular stepped holes are formed in two sides of the metal plate, the rear surface of the fixed die base plate is provided with threaded holes corresponding to the holes of the sensor fixing plate, the sensor fixing plate is fixed on the fixed die base plate through screws, and a circular through hole is formed in the middle of the sensor fixing plate so that the displacement sensor can penetrate through the sensor fixing plate, and the sensor fixing plate plays a role in positioning and protecting the displacement sensor.

3. The flexible zoom molded glasses 3D copying intelligent manufacturing device according to claim 1, characterized in that: the fixed die base plate is a rectangular metal plate, a circular runner hole is formed in the middle of the metal plate, two die cavity holes are symmetrically formed in two sides of the runner hole, a semicircular groove runner is formed between the die cavity holes and the runner hole for connection, the front surface of the fixed die base plate is polished to be a die matching surface, and step through holes are formed in four corners of the fixed die base plate; the male die, the metal diaphragm, the pressing plate, the hydraulic pipe joint, the displacement sensor sealing ring, the sensor and the sensor fixing plate are provided with two sets, and the two sets form two symmetrical adjustable die cavities; correspondingly, the movable mold base plate is also provided with two mold cavity holes corresponding to the fixed mold base plate, and the female mold cylinder, the threaded column, the stud fixing plate, the sleeve, the handle and the A-shaped flat key are also provided with two sets, so that two symmetrical adjustable mold cavities are formed in one mold.

4. The flexible zoom molded glasses 3D copying intelligent manufacturing device according to claim 1, characterized in that: the fixed die base plate and the movable die base plate respectively comprise two die cavities for forming lenses, the die cavities are not circular, but are in the shapes of actual lenses, meanwhile, the fixed die base plate and the movable die base plate are also provided with die cavities for forming lens frames for loading the lenses, the die cavities of the lenses and the die cavities of the lens frames are completely constructed according to the assembly relation of the complete glasses, the die cavities identical to the integral structure of the eyes are formed, and one-step forming and flexible manufacturing of the integral glasses are achieved.