Optical fiber preform cold machining grinding and polishing machine with dust collection structure

Abstract

The utility model discloses an optical fiber preform rod cold machining grinding and polishing machine with a dust collection structure, and relates to the technical field of optical fiber preform rods, the optical fiber preform rod cold machining grinding and polishing machine comprises a working table, a dust collection groove is formed in the working table, and a grinding mechanism is arranged in the working table. A worker rotates a baffle through a supporting shaft to open a feeding port, then an optical fiber preform is put into an inlaying groove through the feeding port, then the optical fiber preform is stably fixed through a fixing spring and a fixing clamp, and then a motor is started to enable a grinding plate to move to grind the surface of the optical fiber preform; and meanwhile, the rotating disc rotates clockwise to drive the fixed optical fiber preform to rotate clockwise, so that the moving grinding plate comprehensively grinds the optical fiber preform, the effect of comprehensively grinding the optical fiber preform is achieved through the design, the smoothness of the surface of the preform is improved, and the quality is better.

Description

Technical Field

[0001] This utility model belongs to the field of optical fiber preform technology, and in particular relates to a cold processing grinding and polishing machine for optical fiber preforms with a dust collection structure. Background Technology

[0002] Optical fiber preforms are the core raw materials for manufacturing quartz optical fibers. The manufacturing process of optical fibers generally involves loading the optical fiber preform into an optical fiber drawing tower, heating the optical fiber preform through the optical fiber drawing tower, and then drawing the preform into optical fibers.

[0003] According to the published double-sided grinding fixture for quartz preform processing (publication number: CN 221313828U): it includes a base, a worktable on the base, a rotary table clamping mechanism and a tailstock on the worktable, the rotary table clamping mechanism and the tailstock cooperate to clamp the glass fiber preform, and power heads are installed on both sides of the worktable, the power heads are used to drive the tool holder and grinding head to rotate.

[0004] In the aforementioned application, the interaction between the worktable and the grinding head rotating assembly makes it difficult to cool the optical fiber preform during the grinding process, leading to overheating and material damage. Therefore, we propose a cold-working grinding and polishing machine for optical fiber preforms with a dust collection structure. Utility Model Content

[0005] The purpose of this invention is to provide a cold-working grinding and polishing machine for optical fiber preforms with a dust collection structure. Through the cooperation of components such as the half-gear, rack, and cooling tank in the cooling mechanism, during operation, the rotating shaft rotates clockwise, simultaneously driving the half-gear to rotate clockwise. The meshing of the half-gear and rack causes the extrusion plate to compress the coolant, which then enters the delivery pipe and is sprayed out through the nozzle, thus cooling the optical fiber preform during grinding and simultaneously washing away the dust generated during grinding. When the half-gear and rack mesh to the toothless area, the rack is reset by a return spring, achieving intermittent water spraying. Waste liquid and cleaned dust fall into the dust collection tank and are finally separated by a filter plate. This design achieves a cooling effect on the optical fiber preform during grinding, effectively preventing overheating and material damage, thus solving existing problems.

[0006] To solve the above-mentioned technical problems, this utility model is achieved through the following technical solution:

[0007] This utility model is a cold processing grinding and polishing machine for optical fiber preforms with a dust collection structure, including a worktable, a dust collection groove inside the worktable, an inlay groove on the side of the worktable, and a grinding mechanism inside the worktable.

[0008] The grinding mechanism includes a motor, the side of which is fixedly connected to the side of the worktable. A threaded rod is fixedly connected to the output shaft of the motor. A threaded sleeve is threadedly connected to the circumferential surface of the threaded rod. A connecting rod is fixedly connected to the top of the threaded sleeve. A grinding plate is fixedly connected to the end of the connecting rod away from the top of the threaded sleeve. A rotating shaft is fixedly connected to the end of the threaded rod away from the output shaft of the motor. A chain is provided on the circumferential surface of the rotating shaft. A control shaft is connected to the circumferential surface of the rotating shaft through the chain drive. The circumferential surface of the control shaft penetrates the side of the worktable and is rotatably connected to the side of the worktable. A turntable is rotatably connected inside the inlay groove.

[0009] Furthermore, a fixing spring is fixedly connected inside the turntable, and a fixing clamp is fixedly connected to one end of the fixing spring away from the inside of the turntable. An inlet is opened on the side of the worktable, and the fixed spring and the fixing clamp can fix the installed optical fiber preform.

[0010] Furthermore, a support shaft is rotatably connected to the side of the worktable, a baffle is fixedly connected to the circumferential surface of the support shaft, and a limit plate is fixedly connected to the circumferential surface of the threaded rod. The baffle is used to prevent the optical fiber preform from becoming unstable during operation, and the limit plate is used to limit the displacement distance of the threaded sleeve.

[0011] Furthermore, the number of fixing springs and fixing clamps is set to four, arranged in groups of two, and symmetrical to each other along the vertical central axis of the worktable. The optical fiber preform can be stably fixed by multiple fixing springs and fixing clamps.

[0012] Furthermore, the workbench is equipped with a cooling mechanism, which includes a half-gear. The side of the half-gear is fixedly inserted through the circumference of the rotating shaft. A sliding groove is formed on the side of the workbench, and a rack is slidably connected inside the sliding groove. A pressing rod is fixedly connected to the side of the rack, and an extrusion plate is fixedly connected to the bottom of the pressing rod. A cooling box is fixedly connected to the side of the workbench. The circumference of the extrusion plate penetrates the top of the cooling box and is slidably connected to the top of the cooling box. A conveying pipe is fixedly inserted through the side of the cooling box, and a nozzle is fixedly connected to the end of the conveying pipe away from the side of the cooling box. The function of the cooling mechanism inside the workbench is to prevent overheating from damaging the material.

[0013] Furthermore, a return spring is fixedly connected to the bottom of the workbench, and the end of the return spring away from the workbench is fixedly connected to the top of the rack. A filter plate is fixedly connected inside the workbench. The function of the return spring is to reset the rack, and the function of the filter plate is to separate the coolant from the dust.

[0014] Furthermore, the circumferential surface of the half gear meshes with the side surface of the rack, and the number of the extrusion plate, conveying pipe and nozzle is set to several, and they are arranged linearly along the side of the cooling box. The function of the circumferential surface of the half gear meshing with the side surface of the rack is to ensure that the rotation of the half gear can drive the rack to move, and the multiple nozzles make the cooling effect better.

[0015] This utility model has the following beneficial effects:

[0016] 1. This utility model utilizes the coordinated operation of components such as the motor, grinding plate, and fixing clamp of the grinding mechanism. When grinding optical fiber preforms is required, the operator opens the feed port by rotating the baffle through the support shaft, then places the optical fiber preform into the embedding groove through the feed port. The optical fiber preform is then stably fixed by the fixing spring and fixing clamp. Next, the motor is started, causing the grinding plate to move and grind the surface of the optical fiber preform. At the same time, the turntable rotates clockwise, causing the fixed optical fiber preform to rotate clockwise as well. This allows the moving grinding plate to perform comprehensive grinding on the optical fiber preform, achieving the effect of comprehensive grinding of the optical fiber preform, improving the surface finish of the preform, and resulting in better quality.

[0017] 2. This utility model utilizes the interplay between components such as the half-gear, rack, and cooling tank in the cooling mechanism. During the grinding process, the rotating shaft rotates clockwise, simultaneously driving the half-gear to rotate clockwise. Through the meshing of the half-gear and rack, the extrusion plate squeezes the coolant, causing it to enter the delivery pipe and be sprayed out through the nozzle. This cools the optical fiber preform during grinding and simultaneously washes away the dust generated during grinding. When the half-gear and rack mesh to the toothless area, the rack is reset by a return spring, thus achieving intermittent water spraying. Waste liquid and cleaned dust fall into the dust collection tank and are finally separated by a filter plate. This design effectively cools the optical fiber preform during the grinding process, preventing overheating and material damage.

[0018] Of course, any product implementing this utility model does not necessarily need to achieve all of the advantages described above at the same time. Attached Figure Description

[0019] To more clearly illustrate the technical solutions of the embodiments of this utility model, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0020] Figure 1 This is a structural schematic diagram of the three-dimensional appearance of the present invention from a first-person perspective;

[0021] Figure 2 This is a schematic diagram of the structure of the present invention from a second-view three-dimensional cross-section;

[0022] Figure 3 This utility model Figure 2 A three-dimensional magnified structural diagram of A in the diagram;

[0023] Figure 4 This utility model Figure 2 A three-dimensional magnified structural diagram of B.

[0024] The attached diagram lists the components represented by each number as follows:

[0025] 1. Workbench; 2. Dust collection trough; 3. Inlay groove; 4. Grinding mechanism; 41. Motor; 42. Threaded rod; 43. Threaded sleeve; 44. Connecting rod; 45. Grinding plate; 46. Rotating shaft; 47. Chain; 48. Control shaft; 49. Turntable; 410. Fixing spring; 411. Fixing clamp; 412. Feed inlet; 413. Support shaft; 414. Baffle; 415. Limiting plate; 5. Cooling mechanism; 51. Half gear; 52. Slide groove; 53. Rack; 54. Pressing rod; 55. Extrusion plate; 56. Cooling box; 57. Conveying pipe; 58. Nozzle; 59. Return spring; 510. Filter plate. Detailed Implementation

[0026] 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 skilled in the art without creative effort are within the protection scope of the present utility model.

[0027] Please see Figure 1-4 The present invention is a cold processing grinding and polishing machine for optical fiber preforms with a dust collection structure, including a worktable 1, a dust collection groove 2 inside the worktable 1, an inlay groove 3 on the side of the worktable 1, and a grinding mechanism 4 inside the worktable 1.

[0028] The grinding mechanism 4 includes a motor 41, the side of which is fixedly connected to the side of the worktable 1. The output shaft of the motor 41 is fixedly connected to a threaded rod 42. The circumferential surface of the threaded rod 42 is threadedly connected to a threaded sleeve 43. The top of the threaded sleeve 43 is fixedly connected to a connecting rod 44. The end of the connecting rod 44 away from the top of the threaded sleeve 43 is fixedly connected to a grinding plate 45. The end of the threaded rod 42 away from the output shaft of the motor 41 is fixedly connected to a rotating shaft 46. A chain 47 is provided on the circumferential surface of the rotating shaft 46. The circumferential surface of the rotating shaft 46 is driven by the chain 47 to a control shaft 48. The circumferential surface of the control shaft 48 penetrates the side of the worktable 1 and is rotatably connected to the side of the worktable 1. A turntable 49 is rotatably connected inside the inlay groove 3.

[0029] A fixing spring 410 is fixedly connected inside the turntable 49. A fixing clamp 411 is fixedly connected to one end of the fixing spring 410 away from the inside of the turntable 49. A feed port 412 is opened on the side of the worktable 1. The fixed spring 410 and the fixing clamp 411 can fix the installed optical fiber preform.

[0030] A support shaft 413 is rotatably connected to the side of the worktable 1. A baffle 414 is fixedly connected to the circumferential surface of the support shaft 413. A limit plate 415 is fixedly connected to the circumferential surface of the threaded rod 42. The function of the baffle 414 is to prevent the optical fiber preform from being unstable during operation. The function of the limit plate 415 is to limit the displacement distance of the threaded sleeve 43.

[0031] The number of fixing springs 410 and fixing clamps 411 is set to four, in groups of two, and they are symmetrical about each other along the vertical central axis of the worktable 1. The optical fiber preform can be stably fixed by multiple fixing springs 410 and fixing clamps 411.

[0032] The workbench 1 is equipped with a cooling mechanism 5, which includes a half gear 51. The side of the half gear 51 is fixedly connected to the circumference of the rotating shaft 46. A sliding groove 52 is provided on the side of the workbench 1. A rack 53 is slidably connected inside the sliding groove 52. A pressing rod 54 is fixedly connected to the side of the rack 53. An extrusion plate 55 is fixedly connected to the bottom of the pressing rod 54. A cooling box 56 is fixedly connected to the side of the workbench 1. The circumference of the extrusion plate 55 is connected to the top of the cooling box 56 and is slidably connected to the top of the cooling box 56. A conveying pipe 57 is fixedly connected to the side of the cooling box 56. A nozzle 58 is fixedly connected to the end of the conveying pipe 57 away from the side of the cooling box 56. The function of the cooling mechanism 5 inside the workbench 1 is to prevent overheating and damage to the material.

[0033] A return spring 59 is fixedly connected to the bottom of the workbench 1. The end of the return spring 59 away from the workbench 1 is fixedly connected to the top of the rack 53. A filter plate 510 is fixedly connected inside the workbench 1. The function of the return spring 59 is to reset the rack 53. The function of the filter plate 510 is to separate the coolant from the dust.

[0034] The circumferential surface of the half gear 51 meshes with the side surface of the rack 53. The number of extrusion plates 55, conveying pipes 57 and nozzles 58 is set to several and arranged linearly along the side of the cooling box 56. The function of the circumferential surface of the half gear 51 meshing with the side surface of the rack 53 is to ensure that the rotation of the half gear 51 can drive the rack 53 to move. The cooling effect is better through multiple nozzles 58.

[0035] A specific application of this embodiment is as follows: When grinding of the optical fiber preform is required, the operator rotates the baffle 414 via the support shaft 413 to open the feed port 412, then places the optical fiber preform into the embedding groove 3 through the feed port 412, and then uses the fixing spring 410 and fixing clamp 411 to stably fix the optical fiber preform. Next, the motor 41 is started, and the output shaft of the motor 41 rotates clockwise. This clockwise rotation of the motor 41's output shaft drives the threaded rod 42 to rotate clockwise, which in turn drives the threaded sleeve 43 to rotate. Moving from right to left, the threaded sleeve 43 drives the grinding plate 45 to move from right to left via the connecting rod 44. During the movement of the grinding plate 45, the surface of the optical fiber preform is ground. At the same time, the threaded rod 42 rotates, causing the rotating shaft 46 to rotate clockwise. The rotation of the rotating shaft 46 drives the control shaft 48 to rotate clockwise via the chain 47. The rotation of the control shaft 48 drives the turntable 49 to rotate clockwise. The clockwise rotation of the turntable 49 causes the fixed optical fiber preform to rotate clockwise, so that the moving grinding plate 45 can fully grind the optical fiber preform.

[0036] During the operation of the grinding mechanism 4, to prevent overheating and material damage, the rotating shaft 46 rotates clockwise while simultaneously driving the half gear 51 to rotate clockwise. The half gear 51 meshes with the rack 53, causing the rack 53 to move downwards inside the slide groove 52. The downward movement of the rack 53 drives the pressing plate 55 to move downwards via the pressing rod 54. During the movement of the pressing plate 55, the coolant inside the cooling tank 56 is squeezed. The coolant is forced into the delivery pipe 57 and sprayed out through the nozzle 58, thereby cooling the optical fiber preform during grinding and washing away the dust generated during grinding. When the half gear 51 and the rack 53 mesh to the toothless area, the rack 53 is reset by the return spring 59, thus achieving intermittent water spraying. The waste liquid and cleaned dust fall into the dust collection tank 2 and are finally separated by the filter plate 510.

[0037] In the description of this specification, references to terms such as "an embodiment," "example," "specific example," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0038] The preferred embodiments of this utility model disclosed above are merely illustrative of the present utility model. These preferred embodiments do not exhaustively describe all details, nor do they limit the utility model to the specific implementations described. Clearly, many modifications and variations can be made based on the content of this specification. This specification selects and specifically describes these embodiments to better explain the principles and practical applications of this utility model, thereby enabling those skilled in the art to better understand and utilize it. This utility model is limited only by the claims and their full scope and equivalents.

Claims

1. A cold-working polishing machine for optical fiber preforms with a dust collection structure, characterized in that, Includes a workbench (1), the workbench (1) has a dust collection groove (2) inside, the workbench (1) has an inlay groove (3) on its side, and a grinding mechanism (4) is provided inside the workbench (1); The grinding mechanism (4) includes a motor (41), the side of which is fixedly connected to the side of the worktable (1). The output shaft of the motor (41) is fixedly connected to a threaded rod (42). The circumferential surface of the threaded rod (42) is threadedly connected to a threaded sleeve (43). The top of the threaded sleeve (43) is fixedly connected to a connecting rod (44). The end of the connecting rod (44) away from the top of the threaded sleeve (43) is fixedly connected to a grinding plate (45). The end of the threaded rod (42) away from the output shaft of the motor (41) is fixedly connected to a rotating shaft (46). The circumferential surface of the rotating shaft (46) is provided with a chain (47). The circumferential surface of the rotating shaft (46) is driven by the chain (47) to a control shaft (48). The circumferential surface of the control shaft (48) penetrates the side of the worktable (1) and is rotatably connected to the side of the worktable (1). The interior of the inlay groove (3) is rotatably connected to a turntable (49).

2. The optical fiber preform cold processing polishing machine with a dust collection structure according to claim 1, characterized in that, A fixing spring (410) is fixedly connected inside the turntable (49), and a fixing clamp (411) is fixedly connected to one end of the fixing spring (410) away from the inside of the turntable (49). A feed inlet (412) is opened on the side of the workbench (1).

3. The optical fiber preform cold processing polishing machine with a dust collection structure according to claim 1, characterized in that, The side of the workbench (1) is rotatably connected to a support shaft (413), and a baffle (414) is fixedly connected to the circumferential surface of the support shaft (413). A limit plate (415) is fixedly connected to the circumferential surface of the threaded rod (42).

4. The optical fiber preform cold processing polishing machine with a dust collection structure according to claim 2, characterized in that, The number of fixed springs (410) and fixed clamps (411) is set to four, in groups of two, and they are symmetrical to each other along the vertical central axis of the workbench (1).

5. The optical fiber preform cold processing polishing machine with a dust collection structure according to claim 1, characterized in that, The workbench (1) is equipped with a cooling mechanism (5), which includes a half gear (51). The side of the half gear (51) is fixedly connected to the circumferential surface of the rotating shaft (46). The side of the workbench (1) is provided with a sliding groove (52). A rack (53) is slidably connected inside the sliding groove (52). A pressing rod (54) is fixedly connected to the side of the rack (53). An extrusion plate (55) is fixedly connected to the bottom of the pressing rod (54). A cooling box (56) is fixedly connected to the side of the workbench (1). The circumferential surface of the extrusion plate (55) is connected to the top of the cooling box (56) and is slidably connected to the top of the cooling box (56). A conveying pipe (57) is fixedly connected to the side of the cooling box (56). A nozzle (58) is fixedly connected to one end of the conveying pipe (57) away from the side of the cooling box (56).

6. The optical fiber preform cold processing polishing machine with a dust collection structure according to claim 1, characterized in that, A return spring (59) is fixedly connected to the bottom of the workbench (1). The end of the return spring (59) away from the workbench (1) is fixedly connected to the top of the rack (53). A filter plate (510) is fixedly connected inside the workbench (1).

7. A cold-working polishing machine for optical fiber preforms with a dust collection structure according to claim 5, characterized in that, The circumferential surface of the half gear (51) meshes with the side surface of the rack (53), and the number of the extrusion plate (55), the conveying pipe (57) and the nozzle (58) is set to several, and they are arranged in a linear array along the side surface of the cooling box (56).

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