Optical lens milling and grinding machine

Abstract

The utility model relates to the technical field of optical lenses, in particular to an optical lens milling and grinding machine which comprises a machine frame, at least one milling and grinding assembly, a T-shaped groove circular truncated cone and a lens clamping die, an electric rotary table is installed on the machine frame, the T-shaped groove circular truncated cone is fixedly installed on the top of the electric rotary table, and the milling and grinding assembly is installed on the machine frame. The milling and grinding assemblies are arranged at equal intervals along the periphery of the circumference of the T-shaped groove circular truncated cone, the milling and grinding assemblies are fixedly installed on the rack, and the lens clamping dies are arranged on the T-shaped groove circular truncated cone; the lens clamping die comprises an upper pressing die, a lower pressing die, a die placing cavity, a first semicircular pressing die and a second semicircular pressing die. Multi-station optical lens milling and grinding operation is carried out through the combined milling and grinding assembly and the combined lens clamping die, a plurality of lenses can be machined at the same time, and therefore the machining efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of optical lenses, in particular to an optical lens milling machine. Background Art

[0002] Currently, in the production process of optical lenses, there are certain deviations in the shape of the lens blanks. Milling and polishing of the lens surface are required to correct the shape of the lens to meet the design requirements.

[0003] However, existing milling equipment for optical lenses usually only has a single set of milling processing mechanism, which leads to the problem of repeated upper and lower lenses many times in a short period of time, small quantity, and low processing efficiency. Therefore, an optical lens milling machine is proposed, which performs multi-station optical lens milling operations through a combined milling component and a combined lens clamp, and processes multiple lenses at the same time, thereby improving the processing efficiency. Utility Model Content

[0004] In response to the problems in the prior art, the utility model provides an optical lens milling and grinding machine, which utilizes a combined milling and grinding assembly and a combined lens clamping die to perform multi-station optical lens milling and grinding operations, and processes multiple lenses at the same time, thereby improving processing efficiency and effect.

[0005] The technical solution adopted by the utility model to solve the technical problem is an optical lens milling and grinding machine, which includes a frame, a milling and grinding assembly, a T-slot circular table and a lens clamping die. The frame is equipped with an electric turntable, the T-slot circular table is fixedly mounted on the top of the electric turntable, the milling and grinding assembly is provided in at least one group, and the milling and grinding assembly is arranged at equal distances along the outer periphery of the T-slot circular table, the milling and grinding assembly is fixedly mounted on the frame, the lens clamping die is provided in at least one group, and the lens clamping die is arranged on the T-slot circular table;

[0006] The lens clamping mold comprises an upper pressing mold, a lower pressing mold, a mold cavity, a first semicircular pressing mold and a second semicircular pressing mold.

[0007] By adopting the above technical solution, multi-station optical lens milling operations are performed through the combined milling and grinding components and the combined lens clamping mold.

[0008] Specifically, the upper die cover is arranged on the lower die, and corresponding die cavities are opened in the upper and lower dies. The first semicircular die is arranged in the die cavity, and the second semicircular die is arranged in the first semicircular die.

[0009] By adopting the above technical solution, through the cooperation of the first semicircular mold with different inner diameters and the second semicircular mold with different inner and outer diameters in the upper mold and the lower mold, optical lenses of various diameter specifications can be clamped and positioned to cooperate with the milling assembly for milling.

[0010] Specifically, the milling and grinding assembly comprises a z-axis electric sliding rail, a y-axis electric sliding rail, an x-axis electric sliding rail, a motor and a milling and grinding head, and the z-axis electric sliding rail is fixedly installed on the rack.

[0011] By adopting the above technical scheme, the three-axis moving unit composed of the z-axis electric sliding rail, the y-axis electric sliding rail and the x-axis electric sliding rail can drive the milling and grinding head to perform milling and grinding processing on the optical lens at multiple station angles.

[0012] Specifically, the y-axis electric sliding rail is connected to the sliding block of the z-axis electric sliding rail, the x-axis electric sliding rail is connected to the sliding block of the y-axis electric sliding rail, the driving end of the motor is connected with a commutator, and the milling and grinding head is fixedly connected with the output shaft of the commutator.

[0013] By adopting the above technical scheme, the commutator transmits the driving force of the motor to the milling and grinding head, and the milling and grinding head mills and grinds the surface of the lens.

[0014] Specifically, the lens clamping die is provided with a quick clamp on one side, the quick clamp is fixedly installed at the bottom of the T-shaped groove round table, and the quick clamp is pressed on the lens clamping die.

[0015] By adopting the above technical scheme, the lens clamping die is pressed on the top of the lens clamping die by the quick clamp, so that the optical lens is pressed in the lens clamping die.

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

[0017] (1) The optical lens milling and grinding machine can perform milling and grinding operation on multiple optical lenses at multiple stations through the combined milling and grinding assembly and the combined lens clamping die, and multiple lenses can be processed at the same time, thereby improving the processing efficiency.

[0018] (2) The optical lens milling and grinding machine can clamp and position optical lenses of various diameter specifications in the upper and lower pressing dies through the first half-round pressing die with different inner diameters and the second half-round pressing die with different inner and outer diameters, so as to cooperate with the milling and grinding assembly for milling and grinding.

[0019] (3) The optical lens milling and grinding machine can drive the milling and grinding head to perform milling and grinding processing on the optical lens at multiple station angles through the three-axis moving unit composed of the z-axis electric sliding rail, the y-axis electric sliding rail and the x-axis electric sliding rail. BRIEF DESCRIPTION OF DRAWINGS

[0020] The utility model will be further described below in combination with the drawings and examples.

[0021] Figure 1 It is the whole schematic view of the utility model;

[0022] Figure 2 This is a schematic diagram of the milling assembly of the present utility model;

[0023] Figure 3 This is a schematic diagram of the lens clamping mold of the present utility model;

[0024] Figure 4 This is a schematic diagram of the back of the lens clamping mold of the present invention.

[0025] In the figure: 1. Frame; 2. Milling assembly; 201. Z-axis electric slide; 202. Y-axis electric slide; 203. X-axis electric slide; 204. Motor; 205. Milling head; 4. Electric turntable; 5. T-slot circular table; 6. Lens clamp; 601. Upper die; 602. Lower die; 603. Mold cavity; 604. First semicircular die; 605. Second semicircular die; 7. Quick clamp; 8. Commutator. DETAILED DESCRIPTION

[0026] In order to make the technical means, creative features, objectives and effects achieved by the present invention easier to understand, the present invention is further described below in conjunction with specific implementation methods.

[0027] In order to mill and grind multiple groups of lenses at the same time in multiple stations to reduce repeated positioning errors and improve processing accuracy, such as Figure 1-4 As shown, the optical lens milling machine described in the present invention includes a frame 1, a milling assembly 2, a T-slot truncated table 5 and a lens clamp 6. The frame 1 is equipped with an electric turntable 4, the T-slot truncated table 5 is fixedly mounted on the top of the electric turntable 4, the milling assembly 2 is provided in at least one group, and the milling assembly 2 is arranged at equal distances along the circumference of the T-slot truncated table 5. The milling assembly 2 is fixedly mounted on the frame 1, and the lens clamp 6 is provided in at least one group, and the lens clamp 6 is arranged on the T-slot truncated table 5.

[0028] The lens clamping mold 6 includes an upper pressing mold 601 , a lower pressing mold 602 , a mold cavity 603 , a first semicircular pressing mold 604 and a second semicircular pressing mold 605 .

[0029] When in use, by assembling multiple sets of lens clamps 6 on the T-slot truncated table 5 and assembling multiple sets of milling components 2 on the periphery of the T-slot truncated table 5, each workstation can be processed independently, thereby reducing repeated positioning errors, improving processing accuracy, and processing multiple lenses at the same time, thereby improving processing efficiency.

[0030] In order to improve the adaptability of optical lens clamping, for example, Figure 3As shown, the utility model also includes that the upper die 601 is covered on the lower die 602, and corresponding die cavities 603 are opened in the upper die 601 and the lower die 602, the first semicircular die 604 is arranged in the die cavity 603, and the second semicircular die 605 is arranged in the first semicircular die 604.

[0031] When in use, the upper and lower groups of first semicircular molds 604 with the required inner diameter can be selected separately and assembled in the mold cavity 603 of the upper mold 601 and the lower mold 602. The optical lens can be clamped by the upper and lower groups of first semicircular molds 604, or the second semicircular mold 605 with the required inner and outer diameters can be selected and assembled in combination in the first semicircular mold 604 to further adapt to the clamping of optical lenses of different specifications and diameters.

[0032] In order to meet the requirements of multi-position milling of the circumference and surface of optical lenses, for example, Figure 2 As shown, the utility model also includes that the milling assembly 2 includes a z-axis electric slide 201, a y-axis electric slide 202, an x-axis electric slide 203, a motor 204 and a milling head 205, the z-axis electric slide 201 is fixedly mounted on the frame 1, the y-axis electric slide 202 is connected to the sliding block of the z-axis electric slide 201, the x-axis electric slide 203 is connected to the sliding block of the y-axis electric slide 202, the driving end of the motor 204 is connected to the commutator 8, and the milling head 205 is fixedly connected to the output shaft of the commutator 8.

[0033] When in use, the milling head 205 is driven by the z-axis electric slide 201, the y-axis electric slide 202, and the x-axis electric slide 203 to perform displacement adjustment in three axes to meet the needs of milling optical lenses at various angles.

[0034] In order to quickly clamp and position the optical lens, for example, Figure 1 、 3 As shown, the present invention further includes a quick clamp 7 provided on one side of the lens clamp 6 , the bottom of the quick clamp 7 is fixedly mounted on the T-slot circular table 5 , and the quick clamp 7 is pressed tightly against the lens clamp 6 .

[0035] When in use, the top of the lens clamp 6 is pressed tightly by the pressure head of the quick clamp 7, so that the optical lens inside the lens clamp 6 is quickly positioned.

[0036] The motor of the electric turntable 4 is a stepping motor.

[0037] The utility model discloses when using, selects the required inner diameter's upper and lower two groups first half circle press mould 604, to the press cavity 603 of upper press mould 601 and lower press mould 602 assembly, through the upper and lower two groups first half circle press mould 604 to optical lens clamping, or again select the required inner diameter, outer diameter's second half circle press mould 605 to the first half circle press mould 604 inside combination assembly, get the required clamping specification's lens clamp mould 6, to adapt to the clamping of different specification diameter's optical lens, through the pressure head of quick clamp 7, lens clamp mould 6 is pressed tightly fixed on T groove round table 5, make the optical lens of lens clamp mould 6 inside get quick positioning, through the milling and grinding assembly 2 z -axis electric slide rail 201, y -axis electric slide rail 202, x -axis electric slide rail 203 drive milling head 205 carry out three -axial displacement adjustment, during through motorized turntable 4 drive T groove round table 5 rotates, make the optical lens of lens clamp mould 6 inside clamping get rotation, make optical lens rotate between milling and grinding assembly 2, through reverser 8 the driving force of motor 204 is transmitted to milling head 205, by milling head 205 to lens surface milling, realize and carry out the optical lens milling operation of multiple stations, can process simultaneously to multiple lenses, thereby improved processing efficiency.

[0038] The above shows and describes the basic principles, main features and advantages of the utility model. The skilled person in the art should understand that the utility model is not limited by the above examples, and the above-mentioned description in the specification is only to illustrate the principles of the utility model. Without departing from the spirit and scope of the utility model, the utility model can have various changes and improvements, and these changes and improvements fall within the scope of the utility model claimed. The scope of protection of the utility model is defined by the appended claims and their equivalents.

Claims

1. An optical lens milling machine, characterized in that: The invention comprises a frame (1), a milling assembly (2), a T-slot truncated table (5) and a lens clamping mold (6); an electric turntable (4) is installed on the frame (1); the T-slot truncated table (5) is fixedly installed on the top of the electric turntable (4); at least one group of the milling assembly (2) is provided; the milling assembly (2) is arranged at equal distances along the circumference of the T-slot truncated table (5); the milling assembly (2) is fixedly installed on the frame (1); at least one group of the lens clamping mold (6) is provided; and the lens clamping mold (6) is arranged on the T-slot truncated table (5); The lens clamping mold (6) comprises an upper pressing mold (601), a lower pressing mold (602), a mold cavity (603), a first semicircular pressing mold (604) and a second semicircular pressing mold (605).

2. An optical lens milling machine according to claim 1, characterized in that: The upper die (601) is covered on the lower die (602), and corresponding die cavities (603) are provided in the upper die (601) and the lower die (602). The first semicircular die (604) is arranged in the die cavity (603), and the second semicircular die (605) is arranged in the first semicircular die (604).

3. An optical lens milling machine according to claim 1, characterized in that: The milling assembly (2) comprises a z-axis electric slide rail (201), a y-axis electric slide rail (202), an x-axis electric slide rail (203), a motor (204) and a milling head (205); the z-axis electric slide rail (201) is fixedly mounted on the frame (1).

4. An optical lens milling machine according to claim 3, characterized in that: The Y-axis electric slide rail (202) is connected to the sliding block of the Z-axis electric slide rail (201), the X-axis electric slide rail (203) is connected to the sliding block of the Y-axis electric slide rail (202), the driving end of the motor (204) is connected to a commutator (8), and the milling head (205) is fixedly connected to the output shaft of the commutator (8).

5. The optical lens milling machine according to claim 1, characterized in that: A quick clamp (7) is provided on one side of the lens clamp (6); the bottom of the quick clamp (7) is fixedly mounted on the T-slot circular table (5); and the quick clamp (7) is pressed tightly against the lens clamp (6).

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