Precise lens punching equipment

Abstract

The utility model relates to the technical field of punching equipment, in particular to precise lens punching equipment which comprises a working frame, an upper tool apron and a lower tool apron, the upper tool apron is movably arranged above the lower tool apron through a moving assembly, an installation jig is arranged on one side between an upper cutting edge and a lower cutting edge, the installation jig is used for placing a lens to be cut, and the lens to be cut is arranged on the working frame. A three-way sliding seat is arranged at the bottom of the mounting jig, and the mounting jig can move in the transverse direction, the longitudinal direction and the vertical direction through the three-way sliding seat between the upper cutting edge and the lower cutting edge. The injection molding water gap of the lens is transversely, longitudinally and vertically adjusted to the proper position between the upper cutting knife edge and the lower cutting knife edge through the three-way sliding base, the precision of removing and trimming the water gap of the lens is high, and meanwhile the adaptability of the equipment to lenses with different size requirements is high.

Description

Technical Field

[0001] The utility model relates to the technical field of punching equipment, in particular to a precision lens punching equipment. Background Art

[0002] With the continuous development of the optical industry, the demand for high-precision lenses is also increasing. Nowadays, optical lenses are widely used in various high-tech fields, such as security, automobiles, digital cameras, high-power lasers, optical instruments, etc. According to different uses, lenses are processed into different shapes, such as convex lenses, concave lenses, TIR lenses, compound eye lenses, etc.

[0003] Among them, silicone lenses and silicone lenses have good high temperature resistance, can withstand temperatures of 200 degrees Celsius, have high strength, are UV-resistant, have strong drop resistance, and have a light transmittance of about 94%. Due to their excellent fluidity, they are suitable for processing complex shapes and microstructure lenses; the professional name of PC lenses is polycarbonate, which is a PC plastic with very strong toughness and good impact resistance. It can withstand high temperatures of 130 degrees Celsius and is very suitable for high-temperature injection molding, so the production efficiency is relatively high, but the light transmittance is slightly lower, only about 89%.

[0004] The manufacturing process of the above-mentioned existing non-glass lenses is generally obtained by high-pressure injection molding, in which the molded silicone lens needs to be cut at the injection nozzle. Since the cutting position of the injection nozzle of silicone lenses with different size requirements is slightly different, the injection nozzle of the silicone lens needs to be cut manually. General cutting equipment cannot cut silicone lenses of various sizes, and its adaptability is low. Therefore, in view of these current situations, it is urgent to develop a precision lens punching equipment to meet the needs of actual use. Utility Model Content

[0005] The utility model aims to provide a precision lens punching device, which is used to solve the technical problem that the cutting positions of the injection nozzles of silicone lenses with different size requirements are slightly different, resulting in the injection nozzles of the silicone lenses needing to be cut manually, and general cutting equipment cannot cut silicone lenses of various sizes and has low adaptability.

[0006] In order to solve the above technical problems, the utility model adopts the following technical solutions:

[0007] A precision lens punching equipment comprises a work frame, an upper tool holder and a lower tool holder, wherein the upper tool holder and the lower tool holder are arranged up and down in a horizontally symmetrical structure, the bottom end of the upper tool holder and the top end of the lower tool holder are an upper cutting edge and a lower cutting edge respectively, the upper tool holder is movably arranged above the lower tool holder through a moving component, a mounting fixture is provided on one side between the upper cutting edge and the lower cutting edge, the mounting fixture is used to place the lens to be cut, a three-way slide is provided at the bottom of the mounting fixture, the mounting fixture can be located between the upper cutting edge and the lower cutting edge through the three-way slide and move in the horizontal, longitudinal and vertical directions respectively.

[0008] In the above description, as a further solution, the three-way slide is composed of a transverse slide, a longitudinal slide and a vertical lifting seat. The bottom of the three-way slide is a transverse slide. The longitudinal slide and the vertical lifting seat can be located between the upper cutting edge and the lower cutting edge through the transverse slide for transverse sliding. The vertical lifting seat is arranged on the top of the longitudinal slide. The vertical lifting seat can be located between the upper cutting edge and the lower cutting edge for longitudinal sliding through the longitudinal slide. The mounting fixture is arranged on the top of the vertical lifting seat. The mounting fixture can be adjusted through the vertical lifting seat to the horizontal height between the upper cutting edge and the lower cutting edge.

[0009] In the above description, as a further solution, the installation jig is composed of a fixed jig seat and a jig bearing plate, the jig bearing plate is horizontally arranged on the top of the vertical lifting seat, and the fixed jig seat is fixedly connected to one end of the fixed jig seat.

[0010] In the above description, as a further solution, the moving assembly includes a guide rail and a slider, the guide rail is a vertical structure arranged in the middle of the work frame, and the upper tool holder is movably connected to the guide rail through the slider.

[0011] In the above description, as a further solution, a cylinder for driving the slider to move downward is provided on the top of the work frame, the cylinder is fixedly connected to the top of the work frame, and the output shaft of the cylinder is provided with a floating joint to connect with the upper tool holder.

[0012] In the above description, as a further solution, both the upper knife seat and the lower knife seat are provided with heating rods, and the upper knife seat and the lower knife seat conduct the heat of the heating rods to the upper cutting edge and the lower cutting edge respectively.

[0013] In the above description, as a further solution, a temperature sensing interface is provided in the middle of the upper tool seat and the lower tool seat, and a temperature detection element is provided inside the temperature sensing interface. The temperature detection element is used to detect the temperature of the upper tool seat and the lower tool seat.

[0014] In the above description, as a further solution, the upper cutting edge and the lower cutting edge are both made of tungsten steel knives.

[0015] In the above description, as a further solution, a fiberglass heat insulation board is provided between the upper knife seat and the slider.

[0016] The beneficial effects produced by the utility model are as follows:

[0017] The present application relates to a precision lens punching device, in which a mounting fixture for fixing the lens to be cut is movably arranged on one side between an upper cutting edge and a lower cutting edge through a three-way slide, so that the position between the mounting fixture and the upper cutting edge and the lower cutting edge can be adjusted in three axes. During use, the injection nozzle of the lens is adjusted horizontally, longitudinally and vertically to a suitable position between the upper cutting edge and the lower cutting edge through the three-way slide. The lens nozzle removal and trimming are highly accurate, and the device has strong adaptability to lenses of different size requirements. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a three-dimensional structural schematic diagram of a precision lens punching and cutting device described in the utility model;

[0019] Figure 2 for Figure 1 A is a schematic diagram of the partially enlarged structure of the middle part;

[0020] Figure 3 It is a structural schematic diagram of a three-way slide in a precision lens punching device described in the utility model;

[0021] In the figure: 1-working frame, 2-upper knife seat, 21-upper cutting edge, 3-lower knife seat, 31-lower cutting edge, 4-three-way slide, 41-transverse slide, 42-longitudinal slide, 43-vertical lifting seat, 5-installation fixture, 51-fixed fixture seat, 52-fixture bearing plate, 6-moving component, 61-guide rail, 62-slider, 7-cylinder, 71-floating joint, 8-glass fiber insulation board, 9-heating rod, 10-temperature sensing interface. DETAILED DESCRIPTION

[0022] In order to facilitate the understanding of those skilled in the art, the present invention is further described below in conjunction with the embodiments and drawings, and the contents mentioned in the implementation modes are not intended to limit the present invention. The present invention is described in detail below in conjunction with the drawings.

[0023] See also Figure 1-3A precision lens punching device specifically implemented therein comprises a work frame 1, an upper tool seat 2 and a lower tool seat 3. The upper tool seat 2 and the lower tool seat 3 are arranged up and down in a horizontally symmetrical structure. The bottom end of the upper tool seat 2 and the top end of the lower tool seat 3 are respectively an upper cutting blade 21 and a lower cutting blade 31. Both the upper cutting blade 21 and the lower cutting blade 31 are composed of tungsten steel blades. The upper tool seat 2 is movably arranged above the lower tool seat 3 through a moving component 6. A mounting fixture 5 is provided on one side between the upper cutting blade 21 and the lower cutting blade 31. The mounting fixture 5 is used to place the lens to be cut. A three-way slide 4 is provided at the bottom of the mounting fixture 5. The mounting fixture 5 can be located between the upper cutting blade 21 and the lower cutting blade 31 through the three-way slide 4 and can move in the horizontal, longitudinal and vertical directions respectively.

[0024] Specifically, Figure 3 As shown, the three-way slide 4 is composed of a transverse slide 41, a longitudinal slide 42 and a vertical lifting seat 43. The bottom of the three-way slide 4 is the transverse slide 41. The longitudinal slide 42 and the vertical lifting seat 43 can be located between the upper cutting edge 21 and the lower cutting edge 31 through the transverse slide 41 to slide transversely. The vertical lifting seat 43 is arranged on the top of the longitudinal slide 42. The vertical lifting seat 43 can be located between the upper cutting edge 21 and the lower cutting edge 31 through the longitudinal slide 42 to slide longitudinally. The mounting fixture 5 is arranged on the top of the vertical lifting seat 43. The mounting fixture 5 can adjust the horizontal height between the upper cutting edge 21 and the lower cutting edge 31 through the vertical lifting seat 43.

[0025] On one side between the upper cutting edge 21 and the lower cutting edge 31, the mounting fixture 5 for fixing the lens to be cut is movably arranged through a three-way slide 4, so that the position between the mounting fixture 5 and the upper cutting edge 21 and the lower cutting edge 31 can be adjusted in three axes. During use, the injection nozzle of the lens is adjusted horizontally, longitudinally and vertically to a suitable position between the upper cutting edge 21 and the lower cutting edge 31 through the three-way slide 4. The lens nozzle removal and trimming are highly accurate. At the same time, the device has strong adaptability to lenses with different size requirements. A further effect is that the position of the mounting fixture 5 is adjusted using a three-way slide, so that the nozzle shearing position and the distance between the cutter can be accurately controlled within a tolerance of 0.05mm.

[0026] The installation jig 5 is composed of a fixed jig seat 51 and a jig bearing plate 52 . The jig bearing plate 52 is horizontally arranged on the top of the vertical lifting seat 43 , and the fixed jig seat 51 is fixedly connected to one end of the fixed jig seat 51 .

[0027] Specifically, Figure 1As shown, the moving assembly 6 includes a guide rail 61 and a slider 62. The guide rail 61 is a vertical structure arranged in the middle of the work frame 1. The upper knife seat 2 is movable and connected to the guide rail 61 through the slider 62. The top of the work frame 1 is provided with a cylinder 7 for driving the slider 62 to move downward. The cylinder 7 is fixedly connected to the top of the work frame 1. The output shaft of the cylinder 7 is provided with a floating joint 71 connected to the upper knife seat 2. The slider 62 is pushed downward along the guide rail 61 by the cylinder 7, and the upper knife seat 2 can approach the side of the lower knife seat 3. The water inlet position of the lens to be cut can be located between the upper cutting edge 21 and the lower cutting edge 31 for cutting.

[0028] In a further embodiment, Figure 2 As shown, the upper knife seat 2 and the lower knife seat 3 are both provided with a heating rod 9, and the upper knife seat 2 and the lower knife seat 3 respectively transfer the heat of the heating rod 9 to the upper cutting edge 21 and the lower cutting edge 31, and the middle part of the upper knife seat 2 and the lower knife seat 3 is provided with a temperature sensing interface 10, and the interior of the temperature sensing interface 10 is provided with a temperature detection element (not shown in the figure), and the temperature detection element (not shown in the figure) is used to detect the temperature of the upper knife seat 2 and the lower knife seat 3, wherein a glass fiber insulation board 8 is provided between the upper knife seat 2 and the slider 62.

[0029] A heating rod 9 is provided inside the upper knife seat 2 and the lower knife seat 3, and heat can be conducted to the upper cutting edge 21 and the lower cutting edge 31 through the heating rod 9 through the upper knife seat 2 and the lower knife seat 3, respectively. At the same time, the temperature detection element (not shown) in the temperature sensing interface 10 can provide real-time feedback on the temperature of the upper knife seat 2 and the lower knife seat 3, and perform adaptive adjustment, so that the upper cutting edge 21 and the lower cutting edge 31 can cut the water outlet of the lens at an appropriate temperature, thereby eliminating the hair debris generated by shearing.

[0030] The above is only a preferred embodiment of the utility model, and does not limit the utility model in any form. Although the utility model is disclosed as a preferred embodiment as above, it is not used to limit the utility model. Any technician familiar with this profession can make some changes or modifications to equivalent embodiments of equivalent changes by using the technical content disclosed above without departing from the scope of the technical solution of the utility model. However, any simple modification, equivalent change and modification made to the above embodiments according to the technology of the utility model, which does not depart from the content of the technical solution of the utility model, belongs to the scope of the technical solution of the utility model.

Claims

1. A precision lens punching device, comprising a work frame, an upper knife seat and a lower knife seat, wherein the upper knife seat and the lower knife seat are arranged up and down in a horizontally symmetrical structure, wherein the bottom end of the upper knife seat and the top end of the lower knife seat are respectively an upper cutting edge and a lower cutting edge, wherein the upper knife seat is movably arranged above the lower knife seat through a moving assembly, and a mounting fixture is provided on one side between the upper cutting edge and the lower cutting edge, wherein the mounting fixture is used to place a lens to be cut, and wherein the mounting fixture is characterized in that: A three-way slide is provided at the bottom of the installation jig, and the installation jig can be located between the upper cutting edge and the lower cutting edge through the three-way slide and move in the horizontal, longitudinal and vertical directions respectively.

2. The precision lens punching equipment according to claim 1, characterized in that: The three-way slide is composed of a transverse slide, a longitudinal slide and a vertical lifting seat. The bottom of the three-way slide is a transverse slide. The longitudinal slide and the vertical lifting seat can slide transversely between the upper cutting edge and the lower cutting edge through the transverse slide. The vertical lifting seat is arranged on the top of the longitudinal slide, and the vertical lifting seat can be located between the upper cutting edge and the lower cutting edge through the longitudinal slide to slide longitudinally; The installation jig is arranged on the top of the vertical lifting seat, and the installation jig can be adjusted to a horizontal height between the upper cutting edge and the lower cutting edge through the vertical lifting seat.

3. The precision lens punching equipment according to claim 2, characterized in that: The installation jig is composed of a fixed jig seat and a jig bearing plate. The jig bearing plate is horizontally arranged on the top of the vertical lifting seat, and the fixed jig seat is fixedly connected to one end of the fixed jig seat.

4. The precision lens punching equipment according to claim 1, characterized in that: The moving assembly comprises a guide rail and a sliding block. The guide rail is arranged in a vertical structure in the middle of the working frame. The upper tool holder is movably connected to the guide rail through the sliding block.

5. The precision lens punching equipment according to claim 4, characterized in that: A cylinder for driving the slide block to move downward is arranged on the top of the working frame. The cylinder is fixedly connected to the top of the working frame. The output shaft of the cylinder is provided with a floating joint to be connected with the upper tool holder.

6. The precision lens punching equipment according to claim 1, characterized in that: The upper knife seat and the lower knife seat are both provided with heating rods, and the upper knife seat and the lower knife seat respectively conduct the heat of the heating rods to the upper cutting edge and the lower cutting edge.

7. The precision lens punching device according to claim 6, characterized in that: A temperature sensing interface is provided in the middle of the upper knife seat and the lower knife seat, and a temperature detection element is provided inside the temperature sensing interface. The temperature detection element is used to detect the temperature of the upper knife seat and the lower knife seat.

8. The precision lens punching device according to claim 7, characterized in that: The upper cutting edge and the lower cutting edge are both made of tungsten steel knives.

9. The precision lens punching device according to claim 5, characterized in that: A glass fiber heat insulation board is arranged between the upper knife seat and the sliding block.

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