High-speed ball core grinding machine
By employing two sets of placement seats and a self-separating material changing mechanism in the high-speed ball core grinding machine, the automatic position switching and grinding of lenses are achieved, solving the problem of frequent machine stoppages for lens replacement in existing technologies and improving processing efficiency.
Patent Information
- Application Number
- CN202520388101.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-06
- Publication Date
- 2026-01-13
- Estimated Expiration
- 2035-03-06
AI Technical Summary
Existing high-speed ball core grinding machines require frequent shutdowns to change lenses during the processing of biconcave lenses, which affects processing efficiency.
It adopts two sets of placement seats and a self-separating mechanism for material changing. The placement seat position is automatically changed through the separation component, so that the lens can be replaced without stopping the machine. The robotic arm, motor, electric rotary table and angle sensor work together to realize the automated position switching and grinding of the lens.
It improves the efficiency of core grinding for biconcave lenses, reduces downtime, and increases production efficiency.
Smart Images
Figure CN223790116U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of lens processing technology, specifically a high-speed ball core grinding machine. Background Technology
[0002] Biconcave lenses, similar to plano-concave lenses, have a negative focal length, causing parallel incident light to diverge outwards. The two sides of a biconcave lens have equal radii of curvature and are generally used for beam expansion and projection. During processing, biconcave lenses require grinding using a high-speed ball core grinder. Some high-speed ball core grinders have a dust cover on the worktable surface with a door on its wall. Inside the dust cover is a mounting base, and on top is a ball core grinding unit. In use, the biconcave lens is placed in the mounting base and fixed, then the door is closed. The ball core grinding unit then grinds the lens. However, each grinding cycle requires shutting down the machine, opening the door, removing the ground lens from the mounting base, installing an unground lens, closing the door again, and restarting the machine. This process is time-consuming and affects the processing efficiency of biconcave lenses. Therefore, we propose a high-speed ball core grinder. Utility Model Content
[0003] The technical problem to be solved by this utility model is to overcome the existing defects and provide a high-speed ball core grinding machine. The device adopts two sets of placement seats. Through the separation component, the two sets of placement seats can be automatically switched and separated inside and outside the ball core grinding part of the device. This allows the biconcave lens in the right placement seat to be replaced manually while the device is grinding the biconcave lens in the left placement seat. This allows the machine to replace the biconcave lens without stopping, thereby improving the ball core grinding efficiency of biconcave lenses and effectively solving the problems in the background art.
[0004] To achieve the above objectives, the present invention provides the following technical solution: a high-speed ball core grinding machine, including a grinding table, a partition shell and an electric rotary table respectively provided on the upper side of the grinding table, a motor provided on the top wall of the partition shell through a mechanical arm, a ball core grinding head provided on the output shaft of the motor, and two symmetrically distributed placement seats provided on the rotation shaft of the electric rotary table through a connecting frame, and also includes a material changing self-separation mechanism.
[0005] Material changing self-separating mechanism: It includes a fixed frame, a rotating shaft, a reciprocating screw, a synchronous seat, and a partition. The fixed frame is set on the upper side of the grinding table. The left end of the fixed frame is rotatably connected to the rotating shaft through a bearing. Both ends of the rotating shaft are equipped with reciprocating screws. The right wall of the partition shell has two longitudinally symmetrically distributed sliding grooves. The partition is slidably connected inside the sliding grooves. The right side of the partition is threadedly connected to the adjacent reciprocating screw through a synchronous seat. The device uses two sets of placement seats. The separation component can automatically switch and separate the two sets of placement seats inside and outside the ball core grinding part of the device. This allows the double concave lens in the right placement seat to be replaced manually while the device is grinding the double concave lens in the left placement seat. This allows the machine to replace the double concave lens without stopping, thereby improving the ball core grinding efficiency of the double concave lens.
[0006] Furthermore, it also includes a microcontroller, which is located outside the grinding table. The input terminal of the microcontroller is electrically connected to an external power supply, and the output terminal of the microcontroller is electrically connected to the input terminals of the robotic arm, motor, and electric rotary table, respectively, making it convenient to control electrical components.
[0007] Furthermore, the material changing self-separating mechanism also includes a second rotating shaft, a first bevel gear, and a second bevel gear. The second rotating shaft is rotatably connected to the left end of the fixed frame via a second bearing. The left end of the second rotating shaft and the outer side of the rotating shaft are both provided with a first bevel gear, which are meshed together. The front end of the first rotating shaft and the right end of the second rotating shaft are both provided with a second bevel gear, which are meshed together. This allows the rotating shaft of the electric rotating table inside the high-speed ball core grinding machine to rotate while the rotating shaft rotates, thus driving the second rotating shaft to rotate.
[0008] Furthermore, an angle sensor is provided on the upper side of the electric rotary table. The angle sensor is bidirectionally electrically connected to the microcontroller. The detection end of the angle sensor is fixedly connected to the rotating shaft to detect and upload the rotation angle of the rotating shaft of the electric rotary table in the high-speed ball core grinding machine.
[0009] Furthermore, each of the placement seats has a piston slidably connected inside, and each placement seat has a cross inside. Each cross has a stud threadedly connected to the middle of the cross. The upper end of each stud is rotatably connected to the lower side of the adjacent piston through a bearing. Each stud has a knob at the lower end for negative pressure adsorption and fixation of the double concave lens core grinding.
[0010] Furthermore, the upper side of the cross is provided with two symmetrically distributed telescopic rods, the telescopic ends of which are fixedly connected to the lower side of the adjacent piston to prevent the piston from rotating during the movement of the high-speed ball core grinding machine.
[0011] Furthermore, the upper part of the placement seat is provided with a rubber ring to reduce the contact gap between the placement seat and the placed biconcave mirror inside the high-speed ball core grinder.
[0012] Furthermore, the top wall of the partition shell is provided with an adsorption tube, which facilitates the adsorption of airborne dust generated during the high-speed ball core grinding process by an external vacuum cleaner.
[0013] Compared with the prior art, the beneficial effects of this utility model are as follows: This high-speed ball core grinding machine has the following advantages:
[0014] When processing biconcave lenses using a high-speed ball core grinding machine, components such as a fixed frame, rotating shaft one, rotating shaft two, bevel gear one, bevel gear two, reciprocating lead screw, synchronous seat, and partition plate can automatically switch and separate the two sets of placement seats inside and outside the ball core grinding part of the device. This allows the biconcave lenses in the right placement seat to be replaced manually while the device is grinding the biconcave lenses in the left placement seat. This enables the replacement of biconcave lenses without stopping the machine, thereby improving the ball core grinding efficiency of biconcave lenses. 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 of the internal structure of this utility model;
[0017] Figure 3 This is a schematic diagram of the structure on the right side of this utility model;
[0018] Figure 4 This is a cross-sectional view of the placement base of this utility model;
[0019] Figure 5 This is an enlarged structural diagram of point A in this utility model.
[0020] In the diagram: 1 Grinding table, 2 Microcontroller, 3 Separator shell, 4 Robotic arm, 5 Motor, 6 Ball core grinding head, 7 Electric rotary table, 8 Placement seat, 9 Material changing self-separating mechanism, 91 Fixing frame, 92 Rotary shaft one, 93 Rotary shaft two, 94 Bevel gear one, 95 Bevel gear two, 96 Reciprocating screw, 97 Synchronous seat, 98 Partition plate, 10 Angle sensor, 11 Cross, 12 Piston, 13 Stud, 14 Knob, 15 Telescopic rod, 16 Rubber ring, 17 Adsorption tube. Detailed Implementation
[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0022] Please see Figure 1-5 This embodiment provides a technical solution: a high-speed ball core grinding machine, including a grinding table 1, with a partition shell 3 and an electric rotary table 7 respectively provided on the upper side of the grinding table 1. A motor 5 is provided on the top wall of the partition shell 3 via a robotic arm 4. The output shaft of the motor 5 is provided with a ball core grinding head 6. The rotation shaft of the electric rotary table 7 is connected to two symmetrically distributed placement seats 8 via a connecting frame. The machine also includes a microcontroller 2, located outside the grinding table 1. The input terminal of the microcontroller 2 is electrically connected to an external power supply, and the output terminal of the microcontroller 2 is electrically connected to the input terminals of the robotic arm 4, the motor 5, and the electric rotary table 7 respectively. The placement seats 8 are slidably connected to... Both piston 12 and placement seat 8 have cross-shaped parts 11 inside. A stud 13 is threadedly connected to the center of each cross-shaped part 11. The upper end of each stud 13 is rotatably connected to the lower side of the adjacent piston 12 via a bearing 3. A knob 14 is provided at the lower end of each stud 13. Two symmetrically distributed telescopic rods 15 are provided on the upper side of each cross-shaped part 11. The telescopic ends of each telescopic rod 15 are fixedly connected to the lower side of the adjacent piston 12. A rubber ring 16 is provided at the upper end of the interior of each placement seat 8. An adsorption tube 17 penetrates the top wall of the partition shell 3. When performing ball core grinding on the biconcave lens, the outer concave surface of the biconcave lens is first placed horizontally and vertically to the placement seat. The biconcave mirror is placed on the rubber ring 16 inside the placement base 8, and then the knob 14 is turned to drive the stud 13 to rotate. The stud 13 is threaded, causing the piston 12 to slide down along the inner wall of the placement base 8, increasing the space between the piston 12 and the biconcave mirror. This reduces the air pressure inside the placement base 8, thus achieving negative pressure adsorption and fixation of the biconcave mirror. During this process, the telescopic end of the telescopic rod 15 moves adaptively with the piston 12, preventing the piston 12 from rotating during its sliding along the inside of the placement base 8. This facilitates the subsequent removal of the biconcave mirror, as the rubber ring 16 provides additional pressure. The sealing of the contact surface between the placement seat 8 and the biconcave lens is improved to facilitate negative pressure adsorption and fixation of the biconcave lens. When the biconcave lens is being ball-core ground, the microcontroller 2 starts the motor 5 to drive the ball-core grinding head 6 to rotate at high speed. At the same time, the microcontroller 2 indirectly drives the ball-core grinding head 6 to move the grinding position through the robotic arm 4, thereby performing ball-core grinding on the biconcave lens in the device. During this process, the adsorption tube 17 is connected to the air inlet pipe of the external vacuum cleaner, so that the external vacuum cleaner can collect the dust during the ball-core grinding process of the biconcave lens through the adsorption tube 17. The device also includes a material changing self-separating mechanism 9.
[0023] The self-separating mechanism 9 for material changing includes a fixed frame 91, a rotating shaft 92, a reciprocating screw 96, a synchronizing seat 97, and a partition 98. The fixed frame 91 is located on the upper side of the grinding table 1. The left end of the fixed frame 91 is rotatably connected to the rotating shaft 92 via a bearing. Both ends of the rotating shaft 92 are equipped with reciprocating screws 96. The right wall of the partition shell 3 has two longitudinally symmetrically distributed sliding grooves. The partition 98 is slidably connected inside each groove. The right side of each partition 98 is threadedly connected to the adjacent reciprocating screw 96 via a synchronizing seat 97. The self-separating mechanism 9 for material changing also includes a second rotating shaft 93, a first bevel gear 94, and a second bevel gear 95. The second rotating shaft 93 is rotatably connected to the left end of the fixed frame 91 via a bearing. The left end of the second rotating shaft 93 and the outer side of the rotating shaft are equipped with a first bevel gear 95. 94. Bevel gears 94 mesh with each other. Bevel gears 95 are located at the front end of shaft 92 and the right end of shaft 93, meshing with each other. An angle sensor 10 is located on the upper side of the electric rotary table 7. The angle sensor 10 is bidirectionally electrically connected to the microcontroller 2. The detection end of the angle sensor 10 is fixedly connected to the rotating shaft. After the surface grinding of the double concave mirror inside the device is completed, the microcontroller 2 starts the electric rotary table 7, causing its rotating shaft to drive the placement seat 8 to rotate via the connecting frame. The rotation of the rotating shaft is achieved internally through a worm gear transmission. The rotating shaft rotates shaft 93 through the meshing connection between bevel gears 94. Shaft 93 rotates shaft 93 through the meshing connection between bevel gears 95. 2 drives two reciprocating screws 96 to rotate synchronously. During the rotation of the reciprocating screws 96, the synchronous seat 97 drives the corresponding partition 98 to move back and forth along the slide groove through the threaded connection. During this process, the microcontroller 2 activates the angle sensor 10. The angle sensor 10 adopts a high-performance integrated magnetic sensitive element, which uses the non-contact characteristic of magnetic signal sensing to measure the rotation angle of the detection end, and transmits the measurement result to the microcontroller 2 in the form of an electrical signal. The microcontroller 2 controls the electric rotary table 7 according to the measurement data of the angle sensor 10, so that the rotation angle of the rotation axis of the electric rotary table 7 is 180 degrees each time. Combining the above transmission principle, by controlling the gear transmission ratio between bevel gear 1 94 and bevel gear 2 95 and the pitch ratio of the reciprocating screw 96, When the rotating shaft of the electric rotary table 7 rotates from 0 degrees to 90 degrees each time, during this process, the synchronous seat 97 drives the partition 98 to slide along the slide groove to the end of the corresponding reciprocating screw 96 away from the longitudinal center of the device, so that the opening and closing degree between the two partitions 98 is maximized, thereby avoiding interference with the rotation trajectory of the placement seat 8. When the rotating shaft of the electric rotary table 7 rotates from 90 degrees to 180 degrees each time, the two partitions 98 close together through the same principle, so that the already ground biconcave mirror inside the partition shell 3 and the unground biconcave mirror outside the partition shell 3 are quickly interchanged in position, so that the grinding part of the device grinds the biconcave mirror almost continuously. Subsequently, during the grinding process of the biconcave mirror inside the device,Workers can flip or replace the biconcave lenses ground on the outside of the separator shell 3. This allows the device to change biconcave lenses without stopping the machine during the core grinding process, thus improving the grinding rate. The device uses two sets of placement seats 8, which are automatically switched and separated inside and outside the core grinding area by a separating component. This allows for manual replacement of the biconcave lenses in the right placement seat 8 while the machine is grinding the lenses in the left seat 8, enabling lens replacement without machine downtime and improving the core grinding efficiency of biconcave lenses.
[0024] The working principle of the high-speed ball core grinding machine provided by this utility model is as follows: When performing ball core grinding on a biconcave lens, the outer concave surface of the biconcave lens is first placed horizontally and vertically on the rubber ring 16 inside the placement seat 8 with the outer concave surface facing upwards. Then, the placed biconcave lens is pressed down, and the knob 14 is rotated to drive the stud 13 to rotate. The stud 13 is connected by threads, which causes the piston 12 to slide down along the inner wall of the placement seat 8, making the space between the piston 12 and the biconcave lens larger and reducing the air pressure inside the placement seat 8, thereby performing negative pressure adsorption and fixation on the biconcave lens. During this process, the telescopic end of the telescopic rod 15 moves adaptively with the piston 12, thereby preventing the piston 12 from rotating during the sliding process inside the placement seat 8. Subsequently... The removal of the biconcave lens is convenient. The rubber ring 16 increases the seal between the placement seat 8 and the biconcave lens, facilitating negative pressure adsorption and fixation. During the core grinding operation of the biconcave lens, the microcontroller 2 starts the motor 5, causing the core grinding head 6 to rotate at high speed. Simultaneously, the microcontroller 2 indirectly moves the core grinding head 6 to the grinding position via the robotic arm 4, thus performing core grinding on the biconcave lens within the device. During this process, the suction tube 17 is connected to the air inlet of an external vacuum cleaner, allowing the external vacuum cleaner to collect dust generated during the core grinding process. After the surface grinding of the biconcave lens is completed, the microcontroller 2 starts the electric rotary table 7 to rotate... The rotating shaft drives the placement seat 8 to rotate via the connecting frame. The rotating shaft is achieved internally by a worm gear transmission within the electric rotary table 7. The rotating shaft rotates via the meshing connection between bevel gear 1 94, causing rotating shaft 2 93 to rotate. Rotating shaft 2 93 rotates via the meshing connection between bevel gear 2 95, causing rotating shaft 1 92 to drive two reciprocating screws 96 to rotate synchronously. During the rotation of the reciprocating screws 96, the threaded connection causes the synchronous seat 97 to drive the corresponding partition 98 to move back and forth along the slide groove. During this process, the microcontroller 2 activates the angle sensor 10. The angle sensor 10 uses a high-performance integrated magnetic sensing element, utilizing the non-contact characteristic of magnetic signal sensing to measure the rotation angle of the detection end and transmitting the measurement result as an electrical signal. The microcontroller 2 controls the electric rotary table 7 based on the measurement data from the angle sensor 10, ensuring that the rotation angle of the electric rotary table 7 is 180 degrees each time. Combining the aforementioned transmission principle, by controlling the gear ratio between bevel gear 1 94 and bevel gear 2 95 and the pitch ratio of the reciprocating screw 96, when the rotation axis of the electric rotary table 7 rotates from 0 degrees to 90 degrees each time, the synchronous seat 97 drives the partition plate 98 to slide along the slide groove to the end of the corresponding reciprocating screw 96 away from the longitudinal center of the device, maximizing the opening and closing degree between the two partition plates 98, thereby avoiding interference with the rotation trajectory of the placement seat 8. When the rotation axis of the electric rotary table 7 rotates from 90 degrees to 180 degrees each time...Using the same principle, the two partitions 98 are closed, allowing the already ground biconcave mirror inside the partition shell 3 to quickly exchange positions with the unground biconcave mirror outside the partition shell 3. This ensures that the grinding part of the device grinds the biconcave mirrors almost continuously. Subsequently, during the grinding process of the biconcave mirrors inside the device, the operator can flip or replace the ground biconcave mirrors outside the partition shell 3. This allows the device to change biconcave mirrors without stopping during the grinding of the biconcave mirror core, thereby increasing the grinding rate of the biconcave mirrors.
[0025] It is worth noting that the microcontroller 2 disclosed in the above embodiments can be an MCS-51, the robotic arm 4 can be a ViperX-300 robotic arm, the motor 5 can be a 130SZ01, the electric rotary table 7 can be a PT-GD204 high-precision electric rotary table, and the angle sensor 10 can be an HSM22M multi-turn non-contact magnetic potentiometer. The microcontroller 2 controls the operation of the robotic arm 4, the motor 5, the electric rotary table 7, and the angle sensor 10 using methods commonly used in the prior art.
[0026] The above description is merely an embodiment of this utility model and does not limit the patent scope of this utility model. Any equivalent structural or procedural transformations made based on the content of this utility model specification and drawings, or direct or indirect applications in other related technical fields, are similarly included within the patent protection scope of this utility model.
Claims
1. A high-speed ball core grinding machine, comprising a grinding table (1), wherein a partition shell (3) and an electric rotary table (7) are respectively provided on the upper side of the grinding table (1), a motor (5) is provided on the top wall of the partition shell (3) via a mechanical arm (4), a ball core grinding head (6) is provided on the output shaft of the motor (5), and two symmetrically distributed placement seats (8) are provided on the rotation shaft of the electric rotary table (7) via a connecting frame, characterized in that: It also includes a self-separating mechanism for material changing (9); Material changing self-separating mechanism (9): It includes a fixed frame (91), a rotating shaft (92), a reciprocating screw (96), a synchronous seat (97), and a partition (98). The fixed frame (91) is set on the upper side of the grinding table (1). The left end of the fixed frame (91) is rotatably connected to the rotating shaft (92) through a bearing. Both the front and rear ends of the rotating shaft (92) are provided with reciprocating screws (96). The right wall of the partition shell (3) has two longitudinally symmetrically distributed sliding grooves. The partition (98) is slidably connected inside the sliding grooves. The right side of the partition (98) is threadedly connected to the adjacent reciprocating screw (96) through the synchronous seat (97).
2. The high-speed ball core grinding machine according to claim 1, characterized in that: It also includes a microcontroller (2), which is located outside the grinding table (1). The input terminal of the microcontroller (2) is electrically connected to an external power supply, and the output terminal of the microcontroller (2) is electrically connected to the input terminals of the robotic arm (4), the motor (5), and the electric rotary table (7), respectively.
3. The high-speed ball core grinding machine according to claim 1, characterized in that: The material changing self-separating mechanism (9) also includes a second rotating shaft (93), a first bevel gear (94), and a second bevel gear (95). The second rotating shaft (93) is rotatably connected to the left end of the fixed frame (91) through a second bearing. The left end of the second rotating shaft (93) and the outer side of the rotating shaft are both provided with a first bevel gear (94), which are meshed with each other. The front end of the first rotating shaft (92) and the right end of the second rotating shaft (93) are both provided with a second bevel gear (95), which are meshed with each other.
4. A high-speed ball core grinding machine according to claim 2, characterized in that: An angle sensor (10) is provided on the upper side of the electric rotary table (7). The angle sensor (10) is bidirectionally electrically connected to the microcontroller (2). The detection end of the angle sensor (10) is fixedly connected to the rotating shaft.
5. A high-speed ball core grinding machine according to claim 1, characterized in that: Each of the placement seats (8) has a piston (12) slidably connected inside. Each of the placement seats (8) has a cross (11) inside. Each cross (11) has a stud (13) threadedly connected to its center. The upper end of each stud (13) is rotatably connected to the lower side of the adjacent piston (12) through a bearing. Each stud (13) has a knob (14) at its lower end.
6. A high-speed ball core grinding machine according to claim 5, characterized in that: The upper side of the cross (11) is provided with two symmetrically distributed telescopic rods (15), and the telescopic ends of the telescopic rods (15) are fixedly connected to the lower side of the adjacent piston (12).
7. A high-speed ball core grinding machine according to claim 1, characterized in that: Each of the placement seats (8) has a rubber ring (16) at the upper part of its interior.
8. A high-speed ball core grinding machine according to claim 1, characterized in that: The top wall of the partition shell (3) is provided with an adsorption tube (17).