Optical element plastic part cutting mechanism
By designing an optical component cutting mechanism that combines a hot cutting blade with a limiting pneumatic gripper, the problems of low precision and cracking in the processing of high-precision multi-cavity optical components by traditional devices have been solved, achieving efficient and stable production of optical components.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- FUJIAN FULAN OPTICAL CO LTD
- Filing Date
- 2025-04-28
- Publication Date
- 2026-05-15
AI Technical Summary
Traditional optical element shearing devices have low precision when processing high-precision multi-cavity optical elements, making it difficult to ensure the consistency of the size and position of multiple cavities. Furthermore, the material is prone to defects such as cracks and chipping during the shearing process, resulting in low efficiency of manual operation and unstable product quality.
An optical component plastic cutting mechanism was designed, which uses a hot cutting blade in conjunction with a limiting pneumatic gripper. The material hardness is reduced by a heater, and a gear and rack system driven by a motor is used to achieve precise cutting. The support and limiting groove ensure stability, thereby improving cutting accuracy and efficiency.
This effectively reduces the risk of cracking in optical components during the shearing process, improves product quality and production efficiency, ensures high precision and high stability, and increases the yield rate of optical components.
Smart Images

Figure CN224239658U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of plastic part cutting technology, specifically to a plastic part cutting mechanism for optical components. Background Technology
[0002] With the widespread application of optical technology in numerous fields such as communications, medical, and semiconductor manufacturing, the demand for optical components has increased dramatically. High-precision multi-cavity optical components, in particular, play a crucial role in optical communication modules and optical imaging systems, and their quality and precision directly affect the performance of the entire system. Traditional optical component cutting devices, whether manual or semi-automatic, suffer from low cutting accuracy when processing high-precision multi-cavity optical components, making it difficult to ensure the consistency of the size and position of multiple cavities, resulting in a low yield rate for optical components. Furthermore, optical component materials such as acrylic and COC are characterized by high hardness and brittleness, making them prone to defects such as cracks and edge chipping during the cutting process.
[0003] Heating processes can reduce the hardness and brittleness of materials, improve their plasticity, and reduce damage during shearing. However, in traditional equipment, the heating and shearing processes are often independent, making precise coordinated control impossible. Modern manufacturing demands increasingly higher production efficiency and quality stability. Manual operation is not only inefficient but also highly susceptible to human factors, making it difficult to guarantee consistent product quality.
[0004] Therefore, a cutting mechanism that can improve product quality is needed. Utility Model Content
[0005] The purpose of this invention is to provide a cutting mechanism for plastic parts of optical components.
[0006] This utility model provides the following technical solution:
[0007] This utility model proposes a cutting mechanism for plastic parts of optical components, including a support base, a lower support block fixed on the support base, an upper support block disposed above the lower support block, and the upper and lower support blocks being connected by a compression spring; a hot cutting blade with opposing blades and heated by a heater is fixed on the upper and lower support blocks; a longitudinal rack is fixed to the side wall of the upper support block, and a first motor is laterally fixed on the support base, with a gear meshing with the longitudinal rack fixed to the output end of the first motor.
[0008] Furthermore, a motion cylinder is fixed on the support base, and a limiting pneumatic gripper for limiting optical elements is fixed to the telescopic end of the motion cylinder.
[0009] Furthermore, support columns are provided on both sides of the compression spring, with the lower end of the support column fixed to the lower support block and the upper end of the support column passing through the upper support block.
[0010] Furthermore, it also includes a support platform and a support bracket disposed on the support platform for placing plastic parts, the support base being fixed on the support platform.
[0011] Furthermore, a pair of rodless cylinders are fixed on the support platform, a support plate is fixed between the sliders of the rodless cylinders, and a second motor is fixed under the support plate; the output end of the second motor passes through the support plate, and the support bracket is fixed to the output end of the second motor; the support platform is also provided with an opening for the movement of the second motor.
[0012] Furthermore, the support bracket has several slots for limiting the transverse pouring rod of the plastic part.
[0013] Furthermore, the middle part of the support bracket has a limiting groove that limits the bottom of the plastic part.
[0014] Compared with existing technologies, this utility model effectively reduces the problem of product cracking during shearing by using a combination of a hot cutting blade, a support bracket, and a limiting pneumatic gripper, thereby improving product quality, ensuring product precision requirements, and increasing production efficiency. It provides a strong guarantee for manufacturing highly stable and high-quality optical components and has broad application prospects. Attached Figure Description
[0015] Figure 1 This is a schematic diagram of the structure of this utility model.
[0016] Figure 2 This is a schematic diagram illustrating the actual application of this utility model.
[0017] Figure 3 This is a schematic diagram of the explosion structure at point B.
[0018] In the diagram, 00-plastic part; 01-pneumatic finger; 02-support platform; 021-opening; 03-optical element; 11-support base; 12-support holder; 121-slot; 122-limiting groove; 13-lower support block; 14-upper support block; 15-compression spring; 16-heater; 17-hot cutting knife; 18-longitudinal rack; 19-first motor; 20-gear; 21-motion cylinder; 22-limiting pneumatic gripper; 23-support column; 24-rodless cylinder; 25-support plate; 26-second motor. Detailed Implementation
[0019] The present invention will be further described below with reference to the accompanying drawings.
[0020] See Figure 1 and Figure 3 In one embodiment of this utility model, an optical element plastic part cutting mechanism includes a support base 11, a lower support block 13 fixed on the support base 11, an upper support block 14 disposed above the lower support block 13, and a compression spring 15 connecting the upper support block 14 and the lower support block 13; a hot cutting blade 17 with opposite blade heads and heated by a heater 16 is fixed on the upper support block 14 and the lower support block 13; a longitudinal rack 18 is fixed to the side wall of the upper support block 14, and a first motor 19 is horizontally fixed on the support base 11, with a gear 20 meshing with the longitudinal rack fixed at the output end of the first motor 19; in practical applications, the first motor 19 starts, driving the gear 20 to rotate, thereby moving the longitudinal gear 18 meshing with the gear 20, thus realizing the cutting function of the hot cutting blade 17; at the same time, the assistance of the heater effectively reduces the cracking problem during product cutting and improves product quality.
[0021] See Figure 1 and Figure 3 In one embodiment of this utility model, a motion cylinder 21 is fixed on the support base 11, and a limiting pneumatic gripper 22 for limiting optical elements is fixed at the telescopic end of the motion cylinder 21. In practical applications, the limiting pneumatic gripper 22 clamps the optical element 03 on the plastic part 00 to facilitate the cutting of the hot cutting knife 17.
[0022] See Figure 1 In one embodiment of this utility model, support columns 23 are provided on both sides of the compression spring 15. The lower end of the support column 23 is fixed on the lower support block 13, and the upper end of the support column 23 passes through the upper support block 13; so as to facilitate the smooth operation of the gear 20 when it drives the longitudinal rack 18 to move up and down.
[0023] See Figure 1 In one embodiment of the present invention, a support platform 02 and a support tray 12 disposed on the support platform 02 for placing plastic parts are further included. The support base 11 is fixed on the support platform 02. In practical applications, the plastic parts 00 are placed on the support tray 12, and the plastic parts 00 on the support tray are cut using a hot cutting blade 17.
[0024] See Figure 1 In the above embodiment, a pair of rodless cylinders 24 are fixed on the support platform 02, and a support plate 25 is fixed between the sliders of the rodless cylinders 24. A second motor 26 is fixed under the support plate 25. The output end of the second motor 26 passes through the support plate 25, and the output end of the second motor 26 is fixed to the support bracket 12. An opening 021 for the movement of the second motor 26 is also provided on the support platform 02. In practical applications, refer to... Figure 2 and Figure 3After the plastic part is held by the pneumatic finger 01 and placed on the support bracket 12, the slider movement of the rodless cylinder 24 drives the support plate 25 to move, which in turn drives the second motor 26 and the support bracket 12 to move towards the hot cutting blade 17. The hot cutting blade 17 cuts off an optical element 03. Then, the second motor 26 drives the support bracket 12 to rotate, and the hot cutting blade cuts off the optical elements 03 on the plastic part 00 one by one.
[0025] See Figure 1 In one embodiment of this utility model, the support bracket 12 has a plurality of slots 121 for limiting the transverse pouring rod of the plastic part; to ensure the stability of the plastic part when the optical element 03 is being cut, so as to facilitate the flatness of the cutting of the optical element 03.
[0026] See Figure 1 In one embodiment of this utility model, the middle part of the support 12 has a limiting groove 122 that limits the bottom of the plastic part; further ensuring the smoothness of the cutting process of the plastic part 03.
[0027] In practical applications, refer to Figure 2 and Figure 3 The plastic part is held onto the support bracket of this invention by the pneumatic fingers of another mechanism. Then, the slider of the rodless cylinder moves to drive the support plate to move, which in turn drives the second motor and the support bracket to move in the direction of the hot cutting blade. Then, the first motor rotates to drive the gear to rotate, which in turn drives the longitudinal gear meshing with the gear to move, thereby cutting off an optical element from the plastic part. After that, the second motor drives the support bracket to rotate, so that other optical elements on the plastic part are cut off by the hot cutting blade in sequence.
[0028] The embodiments of this utility model are given for the purpose of illustration and description. Although embodiments of this utility model have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting this utility model. Those skilled in the art can make changes, modifications, substitutions and variations to the above embodiments within the scope of this utility model.
Claims
1. A cutting mechanism for plastic parts of optical components, characterized in that: The device includes a support base, on which a lower support block is fixed, and an upper support block is disposed above the lower support block. The upper and lower support blocks are connected by a compression spring. Hot cutting blades with opposing blades and heated by a heater are fixed on the upper and lower support blocks. A longitudinal rack is fixed to the side wall of the upper support block. A first motor is laterally fixed on the support base, and a gear that meshes with the longitudinal rack is fixed to the output end of the first motor.
2. The optical element plastic part cutting mechanism according to claim 1, characterized in that: A motion cylinder is fixed on the support base, and a limiting pneumatic gripper for limiting optical elements is fixed to the telescopic end of the motion cylinder.
3. The optical element plastic part cutting mechanism according to claim 1, characterized in that: The compression spring is provided with support columns on both sides. The lower end of the support column is fixed on the lower support block, and the upper end of the support column passes through the upper support block.
4. The optical element plastic part cutting mechanism according to claim 1, characterized in that: It also includes a support platform and a support bracket disposed on the support platform for placing plastic parts, the support base being fixed on the support platform.
5. The optical element plastic part cutting mechanism according to claim 4, characterized in that: A pair of rodless cylinders are fixed on the support platform, and a support plate is fixed between the sliders of the rodless cylinders. A second motor is fixed under the support plate. The output end of the second motor passes through the support plate, and the output end of the second motor is fixed to the support bracket. An opening for the movement of the second motor is also provided on the support platform.
6. The optical element plastic part cutting mechanism according to claim 4, characterized in that: The support bracket has several slots for limiting the lateral pouring rod of the plastic part.
7. The optical element plastic part cutting mechanism according to claim 4, characterized in that: The support bracket has a limiting groove in the middle that limits the bottom of the plastic part.