Lens cutting waste removing mechanism

Abstract

The utility model discloses a lens cutting waste removing mechanism. A lower die holder comprises a first lower die holder and a second lower die holder, and the first lower die holder and the second lower die holder are arranged on a lower die plate in a sliding mode. The waste discharging mechanism comprises a first sliding power piece, a second sliding power piece and a pressing power piece, the first sliding power piece drives the first lower die base to horizontally and transversely slide, the second sliding power piece drives the second lower die base to horizontally and transversely slide, a through groove is formed between the first lower die base and the second lower die base, and a through hole is formed in the surface of the lower die plate. The formed through groove corresponds to the through hole; the downward pressing power piece is vertically arranged on the upper die base and located over the through groove, and the downward pressing power piece presses the waste downwards, penetrates through the through groove and the through hole and then is discharged. The lens removing mechanism has the advantages that the first lower die holder and the second lower die holder are driven to be separated through the lens removing mechanism, so that water gap waste can automatically fall out under the action of gravity, and the waste removing process is efficient and safe.

Description

Technical Field

[0001] The utility model relates to the technical field of lens cutting, in particular to a lens cutting waste removal mechanism. Background Art

[0002] After the lens is injection molded, sprue waste is formed. The lens is cut in the lens cutting mold to cut the sprue waste formed during the molding process. After the connection between the sprue waste and the lens is cut off in the lens cutting mold, the sprue waste needs to be removed from the lens cutting mold.

[0003] After the lens and the sprue waste are cut off by existing lens cutting dies, the sprue waste is usually removed manually from the lens cutting die. This manual removal of the sprue waste in existing lens cutting dies not only poses a safety hazard but also increases labor costs, and improvements are needed. Utility Model Content

[0004] The utility model aims to provide a lens cutting waste removal mechanism which can conveniently and automatically remove the nozzle waste cut from the lens.

[0005] The utility model proposes a lens cutting waste removal mechanism, wherein the waste removal mechanism is located in the lens cutting mold to remove waste in the cavity of the lower mold base, and the lens is formed and cut in the cavity of the lower mold base. The lower mold base includes a first lower mold base and a second lower mold base, and the first lower mold base and the second lower mold base are slidingly arranged on the lower template; the waste removal mechanism includes a first sliding force member, a second sliding force member and a downward pressing force member, the first sliding force member is fixed to the first lower mold base and drives the first lower mold base to slide horizontally and laterally, the second sliding force member is fixed to the second lower mold base and drives the second lower mold base to slide horizontally and laterally, a through groove is formed between the first lower mold base and the second lower mold base, a through hole is opened on the surface of the lower template, and the formed through groove corresponds to the through hole; the downward pressing power member is vertically arranged on the upper mold base and located directly above the through groove, and the downward pressing power member presses the waste downward and discharges it after passing through the through groove and the through hole.

[0006] Preferably, a sliding track is horizontally arranged on the lower template, and sliding seats are fixedly arranged at the bottom ends of the first lower mold base and the second lower mold base, respectively, and the sliding seats are clamped on the sliding track.

[0007] Preferably, there are two sliding tracks arranged horizontally on the lower template, and two sliding seats are respectively provided at the bottom end of the first lower mold base and the bottom end of the second lower mold base. The two sliding tracks are parallel to each other, and the first sliding force member and the second sliding force member are respectively arranged between the two sliding tracks.

[0008] Preferably, the first sliding force member and the second sliding force member are both configured as pen-shaped cylinders.

[0009] Preferably, positioning blocks are provided on both sliding rails, the through groove is symmetrical about the connecting line of the two positioning blocks, and the sliding seat at the bottom end of the first lower mold base and the sliding seat at the bottom end of the second lower mold base are respectively abutted against both sides of the positioning blocks.

[0010] Preferably, the downward pressing power member is configured as a thin cylinder, the telescopic rod of the thin cylinder is vertically arranged downward, and the telescopic rod of the thin cylinder is extended to press down the nozzle waste.

[0011] Preferably, an abutment rod is horizontally and longitudinally provided at the bottom end of the thin cylinder, and the abutment rod is fixed to the telescopic rod of the thin cylinder. The abutment rod can be inserted into the through groove, and an accommodating groove is formed at the bottom end of the upper mold base, and the abutment rod is hidden in the accommodating groove.

[0012] Preferably, a waste bin is provided at the bottom end of the lens cutting mold, and the waste bin is located directly below the through hole.

[0013] From the above description of the utility model, it can be seen that the utility model has the following beneficial effects:

[0014] 1. The first sliding force member and the second sliding force member in the waste discharge mechanism drive the lower die base to separate, so that the cut nozzle waste can automatically fall into the waste bin under the action of gravity. The entire nozzle waste discharge process is efficient and safe.

[0015] 2. When the nozzle waste is large, the downward pressure member provided on the upper mold base drives the abutment rod to apply pressure to the surface of the nozzle waste, so that the nozzle waste can smoothly pass through the through groove and through hole to be discharged from the lens cutting mold.

[0016] 3. Positioning blocks are provided on both sliding rails, and the through grooves are symmetrical about the connecting line of the two positioning blocks. The sliding positions of the first lower die base and the second lower die base are limited by the positioning blocks, so that when the first lower die base and the second lower die base are in contact with each other, they maintain precise position correspondence with the upper die base. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 1 is a schematic diagram of the overall structure of the lens cutting mold in the embodiment;

[0018] Figure 2 2. It is a schematic diagram of a state in which the first lower die base and the second lower die base are in contact with each other;

[0019] Figure 3 2. It is a schematic diagram of a state in which the first lower die base and the second lower die base are separated;

[0020] Figure 4 Schematic diagram of the structure of the upper die base, upper die plate and lower pressing power member in the embodiment;

[0021] Figure 5 is a structural schematic diagram of the abutment rod of the embodiment;

[0022] Figure 6 This is an embodiment Figure 3 A partial enlarged schematic diagram in the middle;

[0023] Figure 7 Schematic diagram of the structure of the template and the through hole under the embodiment;

[0024] Figure 8 It is a structural schematic diagram of the upper mold base and the accommodating groove in the embodiment.

[0025] Figure markings: 1. Lower template; 11. Sliding track; 12. Through hole; 13. Positioning block; 2. Lower die base; 21. First lower die base; 22. Second lower die base; 23. Cavity; 24. Sliding seat; 25. Through groove; 3. Upper die base; 31. Accommodating groove; 4. Upper template; 5. First sliding force member; 6. Second sliding force member; 7. Down-pressing power member; 8. Abutment rod; 9. Waste bin. DETAILED DESCRIPTION

[0026] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present invention clearer and more understandable, the following is a summary of the technical problems, technical solutions and beneficial effects to be solved by the present invention. Figure 1-8 It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.

[0027] Reference Figure 1 、 Figure 2 and Figure 3 A lens cutting waste discharge mechanism is provided in the lens cutting mold. The lens cutting mold is composed of a lower template 1, a lower mold base 2, an upper mold base 3 and an upper mold base 4 from bottom to top, wherein the lower mold base 2 is provided on the lower mold base 1, and the upper mold base 3 is fixedly provided at the bottom end of the lower mold base 1. The lower mold base 2 is provided to include a first lower mold base 21 and a second lower mold base 22. A pair of lenses are formed in the cavity 23 of the first lower mold base 21 and the second lower mold base 22, and the sprue waste between the two lenses is cut through the lens cutting mold, and then the cut sprue waste is discharged from the lens cutting mold through the waste discharge mechanism.

[0028] Reference Figure 3 、 Figure 4 and Figure 5The waste removal mechanism includes a first sliding force member 5, a second sliding force member 6, a downward pressing force member 7 and a contact rod 8, which respectively set the first lower die base 21 and the second lower die base 22 horizontally and laterally slidingly on the lower template 1. For this purpose, a pair of sliding rails 11 are set on the lower template 1 for horizontal and laterally sliding. The two sliding rails 11 are parallel to each other; correspondingly, two sliding seats 24 are respectively set on both sides of the bottom ends of the first lower die base 21 and the second lower die base 22, and the sliding seats 24 are clamped on the sliding rails 11, so that the first lower die base 21 and the second lower die base 22 are respectively slidably connected and set on the lower template 1.

[0029] Reference Figure 3 、 Figure 6 and Figure 7 The first sliding force member 5 and the second sliding force member 6 are arranged between the two sliding rails 11 and on either side of the lower mold base 2. The first sliding force member 5 and the second sliding force member 6 are both configured as pen-shaped cylinders, which are kept parallel to the two sliding rails 11. The telescopic rods of the two pen-shaped cylinders are respectively fixed to the first lower mold base 21 and the second lower mold base 22. The pen-shaped cylinder structure is compact and can provide effective power output within a limited space, saving installation space. When the nozzle waste is cut and broken between the lens, the telescopic rods of the two pen-shaped cylinders are retracted to drive the first lower mold base 21 and the second lower mold base 22 to slide in opposite directions, thereby forming a through groove 25 between the first lower mold base 21 and the second lower mold base 22. A through hole 12 is formed on the surface of the lower mold plate 1, and the through hole 12 corresponds to the position of the through groove 25. The cut nozzle waste passes through the through groove 25 and the through hole 12 in sequence, and is then discharged from the lens cutting mold.

[0030] Reference Figure 1 、 Figure 6 and Figure 8When the cut sprue waste is large, or the cut sprue waste abuts against the side wall of the through groove 25, the cut sprue waste cannot pass through the through groove 25 and the through hole 12 smoothly, and thus cannot be discharged smoothly from the lens cutting mold. Therefore, the downward pressure power member 7 is set on the upper mold base 3, and the downward pressure power member 7 is set as a thin cylinder. The telescopic rod of the thin cylinder is kept vertically set and passed through the upper mold base 3. The abutment rod 8 is set horizontally and longitudinally at the bottom end of the telescopic rod of the thin cylinder and fixed to the telescopic rod of the thin cylinder. When the telescopic rod of the thin cylinder is extended, the abutment rod 8 abuts against the sprue waste box. As the telescopic rod of the thin cylinder continues to extend, the sprue waste is squeezed out of the through groove 25 and the through hole 12. A waste bin 9 is provided at the bottom end of the lens cutting mold. The sprue waste discharged from the through hole 12 falls into the waste bin 9. The setting of the waste bin 9 collects the discharged waste to avoid the discharged waste from being distributed in a disorderly manner. The setting of the downward pressing power member 7 and the abutment rod 8 further facilitates the sprue waste to pass through the through groove 25 and the through hole 12 and be discharged from the lens cutting mold. A receiving groove 31 is formed at the bottom end of the upper mold base 3. When the thin cylinder and the abutment rod 8 are no longer needed to squeeze the sprue waste out of the lens cutting mold, the telescopic rod of the thin cylinder is retracted, thereby driving the abutment rod 8 to hide in the receiving groove 31 to avoid interfering with the cutting of the sprue waste on the next lens.

[0031] After the cut sprue waste is discharged from the lens cutting mold, the telescopic rods of the two pen-shaped cylinders are extended to respectively drive the first lower mold base 21 and the second lower mold base 22 to move toward each other until the first lower mold base 21 and the second lower mold base 22 abut against each other. In order to ensure that the first lower mold base 21 and the second lower mold base 22 are in good position accuracy after restoration, so as to facilitate the injection molding and cutting of the next pair of lenses, positioning blocks 13 are provided on both sliding rails 11. The through grooves 25 and the through holes 12 are symmetrical about the connecting line of the two positioning blocks 13. The telescopic rods of the two pen-shaped cylinders are extended to respectively drive the first lower mold base 21 and the second lower mold base 22 to move toward each other, so that the sliding base 24 at the bottom end of the first lower mold base 21 and the sliding base 24 at the bottom end of the second lower mold base 22 respectively abut against the two sides of the positioning blocks 13, thereby ensuring that the first lower mold base 21 and the second lower mold base 22 move to precise positions.

[0032] The specific implementation principle of the embodiment of the present application is as follows: the lens cutting mold cuts the lens and the sprue waste formed in the cavity 23 of the lower mold base 2, and then two pen-shaped cylinders respectively drive the first lower mold base 21 and the second lower mold base 22 to move away from each other, so that a through groove 25 is formed between the first lower mold base 21 and the second lower mold base 22. The position of the formed through groove 25 corresponds to the position of the through hole 12 on the lower mold plate 1. Under the action of gravity, the cut sprue waste falls from the through groove 25 and the through hole 12 into the waste bin 9. When the cut sprue waste cannot pass through the through groove 25 smoothly due to its large size, the telescopic rod of the thin cylinder extends to drive the abutment rod 8 to descend, and the abutment rod 8 applies pressure to the surface of the sprue waste, so that the sprue waste passes through the through groove 25 smoothly and falls into the waste bin 9.

[0033] The above is an exemplary description of the present invention in conjunction with the accompanying drawings. It is obvious that the specific implementation of the present invention is not limited to the above-mentioned method. As long as various non-substantial improvements are made using the method concept and technical solution of the present invention, or the concept and technical solution of the present invention are directly applied to other occasions without improvement, they are all protected by the present invention.

Claims

1. A lens cutting waste removal mechanism, characterized by: The waste removal mechanism is located in the lens cutting mold to remove waste from the cavity of the lower mold base. The lens is formed and cut in the cavity of the lower mold base. The lower mold base includes a first lower mold base and a second lower mold base. The first lower mold base and the second lower mold base are slidably arranged on the lower mold plate. The waste removal mechanism includes a first sliding force member, a second sliding force member and a pressing force member, the first sliding force member is fixed to the first lower die base and drives the first lower die base to slide horizontally and laterally, the second sliding force member is fixed to the second lower die base and drives the second lower die base to slide horizontally and laterally, a through groove is formed between the first lower die base and the second lower die base, and a through hole is formed on the surface of the lower die plate, and the through groove corresponds to the through hole; The pressing power member is vertically arranged on the upper die base and is located directly above the through slot. The pressing power member presses the waste material downward and passes through the through slot and the through hole before being discharged.

2. The lens cutting waste removal mechanism according to claim 1, characterized in that: A sliding track is horizontally arranged on the lower template, and sliding seats are fixedly arranged at the bottom ends of the first lower die base and the second lower die base, respectively, and the sliding seats are clamped on the sliding track.

3. The lens cutting waste removal mechanism according to claim 2, characterized in that: There are two sliding tracks arranged horizontally on the lower template, and two sliding seats are respectively provided at the bottom end of the first lower mold base and the bottom end of the second lower mold base. The two sliding tracks are parallel to each other, and the first sliding force member and the second sliding force member are respectively arranged between the two sliding tracks.

4. The lens cutting waste removal mechanism according to claim 3, characterized in that: The first sliding force member and the second sliding force member are both configured as pen-shaped cylinders.

5. The lens cutting waste removal mechanism according to claim 3, characterized in that: Positioning blocks are provided on both sliding rails, the through slots are symmetrical about the connecting line of the two positioning blocks, and the sliding seats at the bottom ends of the first lower die base and the second lower die base are respectively in contact with both sides of the positioning blocks.

6. The lens cutting waste removal mechanism according to claim 1, characterized in that: The downward pressing power member is configured as a thin cylinder, the telescopic rod of the thin cylinder is vertically arranged downward, and the telescopic rod of the thin cylinder is extended to press down the nozzle waste.

7. The lens cutting waste removal mechanism according to claim 6, characterized in that: The bottom end of the thin cylinder is provided with an abutment rod in the horizontal longitudinal direction. The abutment rod is fixed to the telescopic rod of the thin cylinder. The abutment rod can be inserted into the through groove. The bottom end of the upper mold base is provided with an accommodating groove, and the abutment rod is hidden in the accommodating groove.

8. The lens cutting waste removal mechanism according to claim 1, characterized in that: A waste bin is provided at the bottom end of the lens cutting mold, and the waste bin is located directly below the through hole.

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