CN215882453U

CN215882453U - Die-cut mould in mouth of a river of lens

Info

Publication number: CN215882453U
Application number: CN202122426680.1U
Authority: CN
Inventors: 彭汉武
Original assignee: Heshengxin Xiamen Optical Technology Co ltd
Current assignee: Heshengxin Xiamen Optical Technology Co ltd
Priority date: 2021-10-09
Filing date: 2021-10-09
Publication date: 2022-02-22
Anticipated expiration: 2031-10-09

Abstract

The utility model relates to the production field of lenses, and discloses a water gap punching die for lenses, which comprises a movable die and a lower fixed seat, wherein the movable die is positioned above the lower fixed seat, the movable die comprises an upper fixed seat, a pressing plate and a punching knife, the horizontal section of the punching knife is in a circular arc shape, the top end of the punching knife is fixed with the upper fixed seat, the pressing plate is positioned below the upper fixed seat, a telescopic adjusting device is arranged between the pressing plate and the upper fixed seat, the pressing plate and the upper fixed seat are connected through the telescopic adjusting device, a abdicating through hole is formed in the pressing plate, the punching knife movably penetrates through the abdicating through hole, a movable through hole corresponding to the position of the punching knife is fixed on the lower fixed seat, and a driving cylinder is fixed on the top surface of the upper fixed seat.

Description

Die-cut mould in mouth of a river of lens

Technical Field

The utility model relates to the field of lens production, in particular to a water gap punching die for lenses.

Background

Spectacles are lens pieces embedded in a frame that are worn in front of the eyes to improve vision, protect the eyes, or for decorative purposes. Lenses can correct a variety of vision problems, including myopia, hyperopia, astigmatism, presbyopia, or strabismus. The glasses are composed of lenses and a glasses frame. The glasses include myopia glasses, hyperopia glasses, presbyopic glasses and astigmatic glasses. There are also special glasses for watching 3D stereoscopic images or virtual real images. Other types of eyewear include goggles, sunglasses, swimming goggles, etc., which provide various types of protection to the eyes. Modern spectacles are usually provided with a nose pad in the middle of the lens and soft pads at the positions where the left and right arms rest on the ears.

The lens generally adopts optical materials such as glass or resin to pass through injection moulding, will form integrative product in the shaping intracavity of mould and the runner of water inlet after the completion of moulding plastics, need use die-cut device to tailor in the unnecessary part that the water inlet formed in the lens main part after taking out the product, current die-cut mould product machining efficiency is low, and the structure is complicated.

SUMMERY OF THE UTILITY MODEL

Therefore, the nozzle punching die for the lens needs to be provided, and the problems that the existing punching die is complex in operation and low in processing efficiency are solved.

In order to achieve the purpose, the utility model provides a water gap punching die for a lens, which comprises a movable die and a lower fixed seat, wherein the movable die is positioned above the lower fixed seat, the movable die comprises an upper fixed seat, a pressing plate and a punching knife, the horizontal section of the punching knife is arc-shaped, the top end of the punching knife is fixed with the upper fixed seat, the pressing plate is positioned below the upper fixed seat, a telescopic adjusting device is arranged between the pressing plate and the upper fixed seat, the pressing plate and the upper fixed seat are connected through the telescopic adjusting device, a abdicating through hole is formed in the pressing plate, the punching knife movably penetrates through the abdicating through hole, a movable through hole corresponding to the punching knife is fixed on the lower fixed seat, and a driving cylinder is fixed on the top surface of the upper fixed seat.

Furthermore, flexible adjusting device is including setting up two stands on the clamp plate relatively, go up the fixing base and be equipped with the adjusting through-hole corresponding with the stand position, the top activity of stand passes adjusting through-hole, the top of stand is fixed with convex baffle, the baffle is connected with the peripheral activity fender of adjusting through-hole. The clamp plate passes through the stand and realizes and go up the flexible of distance between the fixing base through the free activity in adjusting the through-hole, and when going up the fixing base and pushing down, the clamp plate hangs on last fixing base earlier, follows the fixing base and pushes down, and later, the product on the fixing base is lived down to lower fixing plate pressure, keeps motionless, and goes up the fixing base and can continue to push down to die-cut product material, when going up the fixing base and shifting up, under the effect of baffle and stand, it shifts up to go up the fixing base drive clamp plate.

Furthermore, a fixed stop pillar is fixed on the upper surface of the pressing plate, and the top surface of the fixed stop pillar is in blocking connection with the lower surface of the upper fixing seat. When the upper fixing seat is pressed downwards, the fixed stop pillar can be in blocking connection with the upper fixing seat, and the position of the punch knife which moves downwards is limited.

Further, go up the fixing base and include fixed plate, mounting panel and location strip, the lower surface at the fixed plate is fixed to the mounting panel, be equipped with the mounting hole on the mounting panel, the top surface side of mounting hole is equipped with spacing recess, spacing recess traversing mounting hole, the top of die cutter is equipped with positioning hole, mounting hole is passed on the top of die cutter, the location strip passes in positioning hole and the embedding spacing recess. The structure of location strip, spacing recess and positioning hole is used for fixing the die cutter, and when the location strip passed positioning hole and imbedded spacing recess, the fixed team location strip of mounting panel and fixed plate played the clamping action to accomplish the fixed of die cutter.

Furthermore, a locking hole is formed in the side face of the mounting plate and communicated with the mounting through hole, and a locking nut is embedded into the locking hole to lock the punching cutter.

Furthermore, a positioning plate is fixed on the upper surface of the lower fixing seat, a positioning groove is formed in the lower surface of the pressing plate, and the positioning groove corresponds to the positioning plate in position.

Furthermore, the number of the punching knives is two, the two punching knives are symmetrically fixed on the upper fixing seat, the center position of the upper surface of the lower fixing seat is provided with a flow channel groove, the number of the positioning plates is four, the four positioning plates are symmetrically fixed on two side edges of the flow channel groove, the number of the movable through holes is two, and the movable through holes are located on two sides of the flow channel groove. The runner groove corresponds to the runner forming part on the lens product, so that the product is convenient to place, and two punching cutters are convenient to punch two symmetrically formed lenses at the same time.

Furthermore, the locating plate is L-shaped, and the corner of the L-shaped locating plate is in arc transition. The lens product is convenient to position.

Further, the lower fixing seat comprises a supporting plate and a placing table, and the placing table is fixed on the top surface of the supporting plate. The backup pad supports places the platform to it has sufficient space to place under the platform, guarantees that the die cutter dashes down smoothly and crosses the activity through-hole, accomplishes the die-cut to the lens product.

The technical scheme has the following beneficial effects:

according to the utility model, the bottom end of the stamping knife is a knife edge, when an injection molding product is stamped by the circular-arc knife edge, the circular-arc periphery can be stamped, the lens is prevented from being trimmed again after the lens is stamped, and meanwhile, the arrangement of the telescopic adjusting device on the pressing plate enables the upper fixing seat and the stamping knife to continuously move downwards to cut the edge on the edge of the lens after the pressing plate presses the product on the lower fixing seat.

Drawings

FIG. 1 is a block diagram of a mold according to an embodiment.

FIG. 2 is an exploded view of the movable mold according to the embodiment.

Fig. 3 is an exploded view of the mounting plate and the die cutter according to the embodiment.

Fig. 4 is a structural view of a pressing plate according to an embodiment.

Fig. 5 is a bottom structure view of the pressing plate according to the embodiment.

Fig. 6 is a structural view of the lower fixing base according to the embodiment.

Fig. 7 is a structural view of the positioning plate according to the embodiment.

Description of reference numerals:

1. moving the mold; 11. an upper fixed seat; 111. a fixing plate; 112. mounting a plate; 113. adjusting the through hole; 114. mounting a through hole; 115. a limiting groove; 116. a positioning bar; 117. a locking hole;

12. pressing a plate; 121. a yielding through hole; 122. a column; 123. a baffle plate; 124. fixing the bumping post; 125. a positioning groove;

13. a driving cylinder; 14. punching a cutter; 141. positioning the through hole;

2. a lower fixed seat; 21. a support plate; 22. a placing table; 23. positioning a plate; 24. a movable through hole; 25. a flow channel groove;

3. a lens product.

Detailed Description

To explain technical contents, structural features, and objects and effects of the technical solutions in detail, the following detailed description is given with reference to the accompanying drawings in conjunction with the embodiments.

Referring to fig. 1-7, the present embodiment provides a lens nozzle punching mold, which includes a movable mold 1 and a lower fixed seat 2, wherein the movable mold 1 is located above the lower fixed seat 2.

The lower fixing base 2 includes a support plate 21 and a placing table 22, and the placing table 22 is fixed on the top surface of the support plate 21. The supporting plate 21 supports the placing table 22, so that the placing table 22 has a sufficient space, the punching knife 14 is guaranteed to smoothly punch through the movable through hole 24 downwards, and punching of the lens product 3 is completed.

The movable die 1 comprises an upper fixed seat 11, a pressing plate 12 and a punching knife 14, the horizontal cross section of the punching knife 14 is arc-shaped, the top end of the punching knife 14 is fixed with the upper fixed seat 11, the pressing plate 12 is located below the upper fixed seat 11, a telescopic adjusting device is arranged between the pressing plate 12 and the upper fixed seat 11, the pressing plate 12 and the upper fixed seat 11 are connected through the telescopic adjusting device, a yielding through hole 121 is formed in the pressing plate 12, the punching knife 14 movably penetrates through the yielding through hole 121, a movable through hole 24 corresponding to the position of the punching knife 14 is fixed on the lower fixed seat 2, a driving air cylinder 13 is fixed on the top surface of the upper fixed seat 11, and the output shaft of the driving air cylinder 13 is fixed with the center of the top surface of the upper fixed seat 11.

The upper fixing seat 11 comprises a fixing plate 111, a mounting plate 112 and a positioning strip 116, the mounting plate 112 is fixed on the lower surface of the fixing plate 111, a mounting through hole 114 is formed in the mounting plate 112, a limiting groove 115 is formed in the side edge of the top surface of the mounting through hole 114, the limiting groove 115 transversely penetrates through the mounting through hole 114, a positioning through hole 141 is formed in the top end of the punching knife 14, the mounting through hole 114 is penetrated through the top end of the punching knife 14, and the positioning strip 116 penetrates through the positioning through hole 141 and is embedded into the limiting groove 115. The positioning strip 116, the limiting groove 115 and the positioning through hole 141 are configured to fix the die cutter 14, and when the positioning strip 116 passes through the positioning through hole 141 and is inserted into the limiting groove 115, the mounting plate 112 and the fixing strip 116 of the fixing plate 111 perform a clamping function, thereby completing the fixing of the die cutter 14.

In this embodiment, the mounting plate 112 and the fixing plate 111 are fixed by nuts, the die cutter 14 has two positioning through holes 141, and each die cutter 14 on the mounting plate 112 corresponds to two limiting grooves 115.

The side surface of the mounting plate 112 is provided with a locking hole 117, the locking hole 117 is communicated with the mounting through hole 114, and a locking nut is embedded in the locking hole 117 to lock the punching knife 14.

The telescopic adjusting device comprises two upright posts 122 oppositely arranged on the pressure plate 12, adjusting through holes 113 corresponding to the positions of the upright posts 122 are arranged on the upper fixing seat 11, the top ends of the upright posts 122 movably penetrate through the adjusting through holes 113, convex baffle plates 123 are fixed at the top ends of the upright posts 122, and the baffle plates 123 are movably blocked with the peripheries of the adjusting through holes 113. The clamp plate 12 realizes the flexible of distance between and the last fixing base 11 through the free activity of stand 122 in adjusting through-hole 113, when going up fixing base 11 and pushing down, clamp plate 12 hangs on last fixing base 11 earlier, follow up fixing base 11 and push down, later, lens product 3 on the lower fixed plate 111 pushes down fixing base 2, keep motionless, and it can continue to push down to go up fixing base 11, thereby die-cut lens product 3, when going up fixing base 11 and moving up, under baffle 123 and stand 122's effect, it shifts up to go up fixing base 11 and drive clamp plate 12.

The upper surface of the pressing plate 12 is fixed with a fixed stop pillar 124, and the top surface of the fixed stop pillar 124 is in contact with the lower surface of the upper fixing seat 11. When the upper fixing seat 11 is pressed down, the fixing blocking column 124 can be blocked with the upper fixing seat 11, and the position of the punching knife 14 which is downwards pressed is limited. The number of the fixing bars 124 is two in this embodiment, and the fixing bars are fixed by nuts.

The upper surface of lower fixing base 2 is fixed with locating plate 23, and the lower surface of clamp plate 12 is equipped with positioning groove 125, and positioning groove 125 corresponds to locating plate 23 position.

The setting of locating plate 23 can make things convenient for the location of lens product 3, guarantees die-cut accuracy, because locating plate 23 protrusion in the upper surface of fixing base 2 down, positioning groove 125 and locating plate 23's cooperation can make the lower surface of clamp plate 12 can push down whole lens product 3, prevents that lens product 3 from taking place to change at die-cut in-process position.

In this embodiment, the number of the punching knives 14 is two, the two punching knives 14 are symmetrically fixed on the upper fixing seat 11, the center position of the upper surface of the lower fixing seat 2 is provided with a flow channel groove 25, the number of the positioning plates 23 is four, the four positioning plates 23 are symmetrically fixed on two side edges of the flow channel groove 25, the number of the movable through holes 24 is two, and two sides of the flow channel groove 25 of the movable through holes 24 are provided. The runner groove 25 corresponds to a runner forming part on the lens product 3, so that the lens product 3 can be conveniently placed.

The positioning plate 23 is L-shaped, and the corners of the L-shaped positioning plate 23 are in arc transition. Facilitating the positioning of the lens product 3.

When the utility model is used:

the lens product 3 is placed on the placing table 22 according to the limitation of the runner groove 25 and the positioning plate 23, the driving cylinder 13 is started to drive the upper fixing seat 11 and the pressing plate 12 to descend, the pressing plate 12 presses and fixes the position of the lens product 3 first, then the upper fixing plate 111 drives the punching knife 14 to descend continuously, the punching knife 14 descends to the position corresponding to the position of the water gap of the lens product 3 and continues to descend to punch the lens product, the punching knife 14 passes through the movable through hole 24, after the upper fixing seat 11 is blocked and connected with the fixed blocking column 124 of the pressing plate 12, the punching is indicated to be in place, the driving cylinder 13 moves upwards, after the upper fixing seat 11 moves upwards for a certain distance, due to the effect of the upper blocking plate 123 of the column 122, the upper fixing seat 11 drives the pressing plate 12 to move upwards to the initial position.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or terminal that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or terminal. Without further limitation, an element defined by the phrases "comprising … …" or "comprising … …" does not exclude the presence of additional elements in a process, method, article, or terminal that comprises the element. Further, herein, "greater than," "less than," "more than," and the like are understood to exclude the present numbers; the terms "above", "below", "within" and the like are to be understood as including the number.

Although the embodiments have been described, once the basic inventive concept is obtained, other variations and modifications of these embodiments can be made by those skilled in the art, so that the above embodiments are only examples of the present invention, and not intended to limit the scope of the present invention, and all equivalent structures or equivalent processes using the contents of the present specification and drawings, or any other related technical fields, which are directly or indirectly applied thereto, are included in the scope of the present invention.

Claims

1. The utility model provides a die-cut mould in mouth of a river of lens, its characterized in that includes movable mould and lower fixing base, the movable mould is located the top of fixing base down, the movable mould includes fixing base, clamp plate and die cutter, the horizontal cross-section of die cutter is arc, the top and the last fixing base of die cutter are fixed mutually, the clamp plate is located the below of fixing base, flexible adjusting device has between clamp plate and the last fixing base, clamp plate and last fixing base are connected through flexible adjusting device, be equipped with the through-hole of stepping down on the clamp plate, the die cutter activity passes the through-hole of stepping down, be fixed with the activity through-hole corresponding with the die cutter position down on the fixing base, the top surface of going up the fixing base is fixed with and drives actuating cylinder.

2. The nozzle punching mold for lens according to claim 1, wherein the retractable adjustment device comprises two pillars oppositely disposed on the pressing plate, the upper fixing base is provided with an adjustment through hole corresponding to the position of the pillar, the top end of the pillar movably passes through the adjustment through hole, the top end of the pillar is fixed with a protruding baffle, and the baffle is movably blocked with the periphery of the adjustment through hole.

3. The lens nozzle cutting die of claim 2, wherein a fixed stop pillar is fixed on the upper surface of the pressing plate, and the top surface of the fixed stop pillar is in contact with the lower surface of the upper fixed seat.

4. The nozzle punching mold for the lens according to claim 1, wherein the upper fixing base comprises a fixing plate, a mounting plate and a positioning strip, the mounting plate is fixed on the lower surface of the fixing plate, the mounting plate is provided with a mounting through hole, the side edge of the top surface of the mounting through hole is provided with a limiting groove, the limiting groove transversely penetrates through the mounting through hole, the top end of the punching knife is provided with a positioning through hole, the top end of the punching knife penetrates through the mounting through hole, and the positioning strip penetrates through the positioning through hole and is embedded into the limiting groove.

5. The nozzle cutting die for lenses according to claim 4, wherein the side surface of the mounting plate is provided with a locking hole, the locking hole is communicated with the mounting through hole, and a locking nut is embedded in the locking hole to lock the cutter.

6. The nozzle cutting die for the lens according to claim 1, wherein a positioning plate is fixed on the upper surface of the lower fixing seat, and a positioning groove is formed on the lower surface of the pressing plate, and corresponds to the positioning plate.

7. The nozzle punching mold for lens according to claim 6, wherein the number of the punching tools is two, two punching tools are symmetrically fixed on the upper fixing base, the center of the upper surface of the lower fixing base is provided with a flow channel groove, the number of the positioning plates is four, four positioning plates are symmetrically fixed on two sides of the flow channel groove, the number of the movable through holes is two, and two sides of the flow channel groove of the movable through holes are provided.

8. The lens nozzle cutting die of claim 6, wherein the positioning plate is L-shaped, and the corner of the L-shaped positioning plate is in arc transition.

9. The nozzle cutting die for lenses according to claim 1, wherein the lower fixing base comprises a supporting plate and a placing table, and the placing table is fixed on the top surface of the supporting plate.