Collimator C-Lens lens grinding mechanism

Abstract

A grinding mechanism for a C-Lens lens of a collimator comprises a first power part, a grinding part, a second power part and a lifting part. The first power part comprises a grinding motor, a first motor mounting plate, a first driving wheel, a first driven wheel and a first synchronous belt; the grinding part comprises a transmission shaft, a rotating shaft, a grinding wheel and a polishing cover; the second power part comprises a lifting motor, a second motor mounting plate, a lifting bearing, a second driving wheel, a second driven wheel and a second synchronous belt; the lifting part comprises a sliding rail sliding block, a lifting bottom plate, a lead screw, a lead screw nut and a lifting plate. The lead screw of the lifting part drives the transmission shaft and the rotating shaft to slide, and the grinding part can be controlled to ascend and descend while the transmission shaft and the rotating shaft rotate at a high speed; the lifting part mechanism is simplified, the weight of the lifting part is reduced, the second power part can work normally without a large-torque motor, and the equipment cost is saved.

Description

Technical Field

[0001] The utility model relates to the field of optical fiber collimators, in particular to a collimator C-Lens lens grinding mechanism. Background Art

[0002] Fiber optic collimator is one of the basic components for building optical communication systems and networks. With the continuous advancement of fiber optic communication technology, the manufacturing of fiber optic collimators is moving towards reducing the complexity of the structure, reducing the size, and reducing the cost, and is continuously being produced in large quantities and integrated.

[0003] C-lens is an important component in the manufacture of collimators, which includes a glass cylinder whose two end faces are a spherical surface and a wedge surface. During use, light is incident from the inclined surface and emitted from the spherical surface to achieve collimation of the light. CN110480452B discloses a method for processing the wedge surface of a C-Lens lens for a collimator, the purpose of which is to solve the problem of poor processing consistency of C-Lens lenses in the same batch, but it does not involve specific processing equipment or mechanisms. In existing grinding equipment, the motor of the lifting shaft usually needs to drag the grinding motor, which requires the lifting motor to use a large torque and large load motor, which increases the equipment cost and requires further optimization. Utility Model Content

[0004] In view of this, the utility model provides a collimator C-Lens lens grinding mechanism, comprising: a first power unit, a grinding unit, a second power unit, and a lifting unit; the first power unit is used to drive the grinding unit; the second power unit is used to drive the lifting unit;

[0005] The first power unit includes: a grinding motor, a first motor mounting plate, a first driving wheel, a first driven wheel, a first synchronous belt, a first bearing, a first bearing seat, a second bearing, and a second bearing seat; the grinding motor is fixedly connected to the first motor mounting plate; the first driving wheel is fixedly connected to the output shaft of the grinding motor; the first synchronous belt connects the first driving wheel and the first driven wheel; the first bearing is fixedly connected to the first bearing seat; the second bearing is fixedly connected to the second bearing seat;

[0006] The grinding part comprises: a transmission shaft, a rotating shaft, a grinding wheel, and a polishing cover; the first end of the transmission shaft passes through the first bearing and is fixedly connected to the first driven wheel; the rotating shaft sleeve is connected to the transmission shaft; the grinding wheel is fixedly connected to the second end of the rotating shaft;

[0007] The second power unit includes: a lifting motor, a second motor mounting plate, a lifting bearing, a second driving wheel, a second driven wheel, and a second synchronous belt; the second driving wheel is connected to the output shaft of the lifting motor; the second synchronous belt connects the second driving wheel and the second driven wheel;

[0008] The lifting part includes: a sliding rail slider, a lifting base plate, a lead screw, a lead screw nut, and a lifting plate; the sliding rail slider is fixedly connected to the lifting base plate; the second driven wheel is the first end of the lead screw; the bearings at both ends of the lead screw are matched with the lifting bearing; the lead screw thread is matched with the lead screw nut; the lifting motor is fixedly installed on the second motor mounting plate; the first bearing seat is fixedly connected to the second motor mounting plate; the lead screw nut is fixedly connected to the lifting plate; the second bearing seat is fixedly connected to the lifting plate.

[0009] In this technical solution, in order to increase the consistency of the wedge surfaces of the same batch of C-Len lenses during the production process, it is necessary to ensure that the grinding station has the function of moving up and down while the grinding process is being carried out; when the first power unit is actuated, the driving wheel drives the driven wheel to rotate, and then drives the transmission shaft, the rotating shaft and the grinding wheel to rotate; the user places the component to be processed perpendicular to the grinding surface of the grinding wheel, and then the second power unit is actuated; driven by the lifting unit, the transmission shaft and the rotating shaft can move in a direction perpendicular to the grinding surface while rotating on their own and driven by the lifting plate; when the processing is completed, the lifting unit returns to its initial height and waits for the next batch of components; compared with traditional grinding equipment, the lifting unit of the utility model converts the movement of the screw into a sliding movement between the transmission shaft and the rotating shaft, simplifies the lifting unit structure, reduces the weight of the lifting unit, and the second power unit can work normally without a large torque motor, saving equipment costs.

[0010] In a specific embodiment, a key is provided at the first end of the rotating shaft, and a key groove is provided at the second end of the transmission shaft.

[0011] In this technical solution, the key is fixedly connected to the first end of the rotating shaft by a headless screw; the size of the key is slightly smaller than the key slot; the function of the key is to limit the rotating shaft in the transmission shaft to ensure that the transmission shaft and the rotating shaft rotate synchronously.

[0012] In a specific implementation, a position sensor is provided on the lifting base plate.

[0013] In this technical solution, the position sensor can detect the moving position of the lifting part and feed back to the control element of the device to control the moving state of the lifting part.

[0014] In a specific embodiment, a first adjustment plate is provided below the first motor mounting plate, and a second adjustment plate is provided below the second motor mounting plate.

[0015] In this technical solution, the first adjustment plate and the second adjustment plate are used to adjust the positions of the grinding motor and the lifting motor to ensure that the first synchronous belt and the second synchronous belt are effectively tightened.

[0016] In a specific embodiment, a buffer is further provided at one end of the lifting plate close to the grinding wheel.

[0017] In this technical solution, since the grinding mechanism is vertical, the lifting part will be affected by gravity during the descent process. The buffer can slow down the inertia of the lifting part during the descent process, which is beneficial to prolonging the life of the grinding mechanism.

[0018] The beneficial effects of the utility model are as follows: the sliding movement between the transmission shaft and the rotating shaft is driven by the lead screw of the lifting part, and the lifting and lowering of the grinding part can be controlled while the transmission shaft and the rotating shaft rotate at high speed; the lifting part mechanism is simplified, the weight of the lifting part is reduced, the second power part can work normally without a large torque motor, and the equipment cost is saved. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a front view of a collimator C-Lens lens grinding mechanism in a specific implementation of the utility model;

[0020] Figure 2 This is a schematic diagram of the first power unit of a collimator C-Lens lens grinding mechanism in a specific implementation of the utility model;

[0021] Figure 3 It is a cross-sectional view of a grinding portion of a collimator C-Lens lens grinding mechanism in a specific implementation of the utility model;

[0022] Figure 4 It is a cross-sectional view of the second power unit of a collimator C-Lens lens grinding mechanism in a specific implementation of the utility model;

[0023] Figure 5 It is a schematic diagram of a lifting mechanism of a collimator C-Lens lens grinding mechanism in a specific implementation of the utility model. DETAILED DESCRIPTION

[0024] The utility model is further described below in conjunction with the accompanying drawings and embodiments:

[0025] like Figure 1-Figure 5A collimator C-Lens lens grinding mechanism provided in the first embodiment of the utility model includes: a first power unit 100, a grinding unit 200, a second power unit 300, and a lifting unit 400; the first power unit 100 is used to drive the grinding unit 200; the second power unit 300 is used to drive the lifting unit 400;

[0026] The first power unit 100 includes: a grinding motor 101, a first motor mounting plate 102, a first driving wheel 103, a first driven wheel 104, a first synchronous belt 105, a first bearing 106, a first bearing seat 107, a second bearing 108, and a second bearing seat 109; the grinding motor 101 is fixedly connected to the first motor mounting plate 102; the first driving wheel 103 is fixedly connected to the output shaft of the grinding motor 101; the first synchronous belt 105 connects the first driving wheel 103 and the first driven wheel 104; the first bearing 106 is fixedly connected to the first bearing seat 107; the second bearing 108 is fixedly connected to the second bearing seat 109;

[0027] The grinding part 200 includes: a transmission shaft 201, a rotating shaft 202, a grinding wheel 203, and a polishing cover 204; the first end 2011 of the transmission shaft 201 passes through the first bearing 106 and is fixedly connected to the first driven wheel 104; the rotating shaft 202 is sleeve-connected to the transmission shaft 201; the grinding wheel 203 is fixedly connected to the second end 2022 of the rotating shaft 202;

[0028] The second power unit 300 includes: a lifting motor 301, a second motor mounting plate 302, a lifting bearing 303, a second driving wheel 304, a second driven wheel 305, and a second synchronous belt 306; the second driving wheel 304 is connected to the output shaft of the lifting motor 301; the second synchronous belt 306 connects the second driving wheel 304 and the second driven wheel 305;

[0029] The lifting part 400 includes: a sliding rail slider 401, a lifting base plate 402, a screw 403, a screw nut 404, and a lifting plate 405; the sliding rail slider 401 is fixedly connected to the lifting base plate 402; the second driven wheel 305 is the first end 2011 of the screw 403; the bearings at both ends of the screw 403 are matched with the lifting bearing 303; the screw 403 is threadedly matched with the screw nut 404; the lifting motor 301 is fixedly installed on the second motor mounting plate 302; the first bearing seat 107 is fixedly connected to the second motor mounting plate 302; the screw nut 404 is fixedly connected to the lifting plate 405; the second bearing seat 109 is fixedly connected to the lifting plate 405.

[0030] In this embodiment, in order to increase the consistency of the wedge surfaces of the C-Len lenses of the same batch during the production process, it is necessary to ensure that the grinding station has the function of moving up and down while the grinding process is being carried out; when the first power unit 100 is in motion, the driving wheel drives the driven wheel to rotate, and then drives the transmission shaft 201, the rotating shaft 202 and the grinding wheel 203 to rotate; the user places the component to be processed perpendicular to the grinding surface of the grinding wheel 203, and then the second power unit 300 is in motion; driven by the lifting unit 400, the transmission shaft 201 and the rotating shaft 202 can move in a direction perpendicular to the grinding surface while rotating on their own and driven by the lifting plate 405, and the grinding direction is as follows: Figure 2 As shown; when the processing is completed, the lifting part 400 returns to its initial height and waits for the next batch of components; compared with the traditional single-axis grinding equipment, the lifting part 400 of the utility model converts the movement of the screw 403 into a sliding movement between the transmission shaft 201 and the rotating shaft 202, which simplifies the structure of the lifting part 400 and reduces the weight of the lifting part 400. The second power part 300 can work normally without a large torque motor, saving equipment costs.

[0031] In this embodiment, the fourth end 2024 of the rotating shaft 202 is provided with a key 2029, and the third end 2013 of the transmission shaft 201 is provided with a key groove 2019; the key 2029 is fixedly connected to the fourth end 2024 of the rotating shaft 202 by a headless screw; the size of the key 2029 is slightly smaller than the key groove 2019; the function of the key 2029 is to limit the rotating shaft 202 in the transmission shaft 201.

[0032] Specifically, the length of the key slot 2019 is greater than or equal to the movement stroke of the screw nut 404. Due to the existence of the key 2029, when the transmission shaft 201 rotates driven by the grinding motor 101, the rotating shaft 202 also rotates and drives the grinding wheel 203 to rotate.

[0033] In this embodiment, a position sensor 406 is provided on the lifting base plate 402 ; the position sensor 406 can detect the moving position of the lifting part 400 and feed back to the control element of the device to control the moving state of the lifting part 400 .

[0034] One possible solution is that the controller of the grinding equipment is a programmable controller, the position sensor 406 is a photoelectric switch, and the baffle of the photoelectric switch is installed on the side of the lifting plate 405; when the lifting part 400 returns to the origin, driven by the lifting part 400, the baffle can block and trigger the photoelectric switch in motion, and the photoelectric switch provides a digital signal to the programmable controller so that the programmable controller can perform the next process procedure.

[0035] Furthermore, a first adjustment plate 1021 is provided under the first motor mounting plate 102, and a second adjustment plate 3021 is provided under the second motor mounting plate 302; the first adjustment plate 1021 and the second adjustment plate 3021 are used to adjust the positions of the grinding motor 101 and the lifting motor 301 to ensure that the first synchronous belt 105 and the second synchronous belt 306 are effectively tightened.

[0036] Specifically, the first motor mounting plate 102 and the second motor mounting plate 302 are provided with strip holes, and the directions of the strip holes are parallel to the first synchronous belt 105 and the second synchronous belt 306 respectively; the user can quickly adjust the tightness of the synchronous belt by adjusting the bolts matching the threaded holes on the first adjustment plate 1021 and the second adjustment plate 3021.

[0037] In this embodiment, a buffer 307 is further provided at one end of the lifting plate 405 close to the grinding wheel 203; since the grinding mechanism is vertical, the lifting part 400 will be affected by gravity during the descent process, and the buffer 307 can slow down the inertia of the lifting part 400 during the descent process, which is beneficial to prolonging the life of the grinding mechanism.

[0038] The preferred specific embodiments of the utility model are described in detail above. It should be understood that ordinary technicians in this field can make many modifications and changes based on the concept of the utility model without creative work. Therefore, all technical solutions that can be obtained by technicians in this technical field based on the concept of the utility model through logical analysis, reasoning or limited experiments on the basis of the existing technology should be within the scope of protection determined by the claims.

Claims

1. A collimator C-Lens lens grinding mechanism, characterized in that: include: A first power unit, a grinding unit, a second power unit, and a lifting unit; The first power unit is used to drive the grinding unit; The second power unit is used to drive the lifting unit; The first power unit includes: a grinding motor, a first motor mounting plate, a first driving wheel, a first driven wheel, a first synchronous belt, a first bearing, a first bearing seat, a second bearing, and a second bearing seat; the grinding motor is fixedly connected to the first motor mounting plate; the first driving wheel is fixedly connected to the output shaft of the grinding motor; the first synchronous belt connects the first driving wheel and the first driven wheel; the first bearing is fixedly connected to the first bearing seat; the second bearing is fixedly connected to the second bearing seat; The grinding part comprises: a transmission shaft, a rotating shaft, a grinding wheel, and a polishing cover; the first end of the transmission shaft passes through the first bearing and is fixedly connected to the first driven wheel; the rotating shaft sleeve is connected to the transmission shaft; the grinding wheel is fixedly connected to the second end of the rotating shaft; The second power unit includes: a lifting motor, a second motor mounting plate, a lifting bearing, a second driving wheel, a second driven wheel, and a second synchronous belt; the second driving wheel is connected to the output shaft of the lifting motor; the second synchronous belt connects the second driving wheel and the second driven wheel; The lifting part includes: a sliding rail slider, a lifting base plate, a lead screw, a lead screw nut, and a lifting plate; the sliding rail slider is fixedly connected to the lifting base plate; the second driven wheel is the first end of the lead screw; the bearings at both ends of the lead screw are matched with the lifting bearing; the lead screw thread is matched with the lead screw nut; the lifting motor is fixedly installed on the second motor mounting plate; the first bearing seat is fixedly connected to the second motor mounting plate; the lead screw nut is fixedly connected to the lifting plate; the second bearing seat is fixedly connected to the lifting plate.

2. A collimator C-Lens lens grinding mechanism as claimed in claim 1, characterized in that: A key is provided at the first end of the rotating shaft, and a key groove is provided at the second end of the transmission shaft.

3. A collimator C-Lens lens grinding mechanism as claimed in claim 1, characterized in that: A position sensor is arranged on the lifting base plate.

4. A collimator C-Lens lens grinding mechanism as claimed in claim 1, characterized in that: A first adjusting plate is provided below the first motor mounting plate, and a second adjusting plate is provided below the second motor mounting plate.

5. The collimator C-Lens lens grinding mechanism according to claim 1, characterized in that: A buffer is provided at one end of the lifting plate close to the grinding wheel.

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