Optical fiber grinding machine

Abstract

The utility model discloses an optical fiber grinding machine which comprises a base and a fixing mechanism, a grinding disc is arranged at the top of the base, and the grinding disc is in transmission connection with a motor; the fixing mechanism comprises a fixing disc, a clamping piece and a positioning assembly, the fixing disc and the grinding disc are arranged in parallel, the fixing disc is located over the grinding disc, and the fixing disc is connected with the base through a plurality of lifting columns so that the fixing disc can be close to or away from the grinding disc; the fixing disc is provided with at least one fixing hole, the fixing hole extends on the horizontal plane and penetrates through the fixing disc in the thickness direction of the fixing disc, the width of the fixing hole is matched with the diameter of a pre-grinding optical fiber, and the length of the fixing hole is far larger than the diameter of the pre-grinding optical fiber. The clamping piece is in sliding fit with the fixing hole so as to extrude the pre-grinding optical fibers vertically penetrating through the fixing hole, so that all the pre-grinding optical fibers in the fixing hole are sequentially attached; the positioning assembly can enable the clamping piece and the fixing hole to be relatively fixed. The problem that in the grinding process, optical fibers are prone to bending, and consequently the grinding face is inclined can be solved.

Description

Technical Field

[0001] The utility model relates to the technical field of optical fiber grinding, and particularly relates to an optical fiber grinding machine. Background Art

[0002] After the optical fiber connector is processed, in order to make the surface of the end of the optical fiber flat and improve the stability of signal transmission after optical fiber connection, it is often necessary to grind its end face.

[0003] The existing optical fiber grinding machines generally use a fixture to clamp the optical fiber and expose the end to be ground, and then contact with a grinding disc or a grinding belt to perform grinding.

[0004] The above-mentioned type of optical fiber grinding machine has the following problems: The hardness of the optical fiber is not high, especially the radial hardness is low. Therefore, when the end of the optical fiber contacts the grinding disc or the grinding belt, the grinding disc or the grinding belt will apply a radial frictional force to its end, resulting in radial bending during the grinding process, so that the grinding surface is inclined unnecessarily, affecting subsequent use. Summary of the Utility Model

[0005] The purpose of the utility model is to provide an optical fiber grinding machine, which can solve the problem that the optical fiber is prone to bending during the grinding process, resulting in the inclination of the grinding surface.

[0006] The utility model is realized by the following technical solutions:

[0007] An optical fiber grinding machine includes a base. A grinding disc is arranged on the top of the base, and the grinding disc is drivingly connected with a motor to drive the grinding disc to rotate horizontally. A fixing mechanism includes a fixing disc, a clamping member and a positioning component. The fixing disc is arranged parallel to the grinding disc and is located directly above the grinding disc. The fixing disc is connected to the base through a plurality of lifting columns, so that the fixing disc can approach or move away from the grinding disc. The fixing disc is provided with at least one fixing hole, which extends in the horizontal plane and penetrates the fixing disc along the thickness direction of the fixing disc. The width of the fixing hole matches the diameter of the optical fiber to be ground, and the length is much larger than the diameter of the optical fiber to be ground. The clamping member is slidably matched with the fixing hole to squeeze the optical fiber to be ground vertically arranged in the fixing hole, so that all the optical fibers to be ground in the fixing hole are sequentially attached. The positioning component can relatively fix the clamping member and the fixing hole.

[0008] Optionally, the fixing disc is a disc, the fixing hole is arc-shaped, and the fixing hole is arranged with the axis of the fixing disc as the axis. The clamping member includes a turntable and at least one pressing block. The turntable is rotatably connected to the fixing disc coaxially, and the pressing block corresponds to the fixing hole one by one and is located in the corresponding fixing hole.

[0009] Optionally, a return spring is connected between the pressing block and one end of the corresponding fixing hole. When the return spring is in its natural state, the pressing block is located at one end of the corresponding fixing hole.

[0010] Optionally, the positioning assembly includes a ratchet wheel and a plurality of ratchet pawls; the ratchet wheel is coaxially and fixedly connected to the fixed disk, and the pitch of the ratchet wheel is smaller than the width of the fixing hole; the tail end of the ratchet pawl is hinged to the turntable shaft through a return torsion spring; when the return torsion spring is in its natural state, all the ratchet pawls are engaged and clamped with the ratchet wheel.

[0011] Optionally, the ratchet pawls are arranged in pairs, and the two ratchet pawls in each pair are centrosymmetrically arranged with the axis of the ratchet wheel as the axis.

[0012] Optionally, the positioning assembly further includes a reset mechanism, and the reset mechanism includes a plurality of push rods, a plurality of pressure rods and a telescopic column; the push rods correspond to the pressure rods one by one and correspond to the ratchet pawls one by one; one end of the push rod is hinged to the corresponding ratchet pawl, and the other end is pivotally connected to the corresponding pressure rod, and the pressure rod is pivotally connected to the side wall of the telescopic column; the telescopic column is coaxially connected to the ratchet wheel; when the telescopic column is axially compressed, the pressure rod gradually turns to the horizontal, so that the push rod is radially pushed out, so that the ratchet pawl is disengaged from the ratchet wheel, so that the turntable is reset.

[0013] Optionally, a rotating cylinder is rotatably sleeved on the telescopic column, and the pressure rod is pivotally connected to the side wall of the rotating cylinder.

[0014] Optionally, there are multiple fixing holes, the diameters of the circles where all the fixing holes are located are the same, and the lengths of all the fixing holes are the same.

[0015] Optionally, a locking knob is screwed on the side wall of the fixed disk, and the end of the locking knob can contact and press the side wall of the lifting column, so that the fixed disk and the lifting column are relatively fixed.

[0016] Optionally, the lifting columns are arranged in pairs.

[0017] Compared with the prior art, the utility model has the following advantages and beneficial effects:

[0018] An optical fiber grinding machine provided by the present utility model realizes the basic functions of the optical fiber grinding machine by setting a base and a grinding disc. On this basis, by setting a fixing mechanism including a fixing disc, a clamping member and a positioning assembly, fixing holes are opened in the fixing disc and their length and width are limited, so that the pre-ground optical fibers can be successively pasted and vertically passed through the fixing holes, and then all the pre-ground optical fibers are pressed together by the clamping member, so that the adjacent pre-ground optical fibers support each other radially, thus effectively avoiding the problem that the pre-ground optical fibers are prone to radial bending during the grinding process; on this basis, by setting a positioning assembly, the clamping member is relatively fixed to the fixing hole; on this basis, by setting a lifting column, the fixing disc and the grinding disc can approach or move away from each other to perform the grinding operation on the pre-ground optical fibers fixed on the fixing disc; through the mutual cooperation of the above features, the optical fiber grinding machine can effectively solve the problem that the optical fiber is prone to bending during the grinding process, resulting in an inclined grinding surface. Description of the Drawings

[0019] The drawings described herein are used to provide a further understanding of the embodiments of the present utility model, form a part of this application, and do not limit the embodiments of the present utility model. In the drawings:

[0020] Figure 1 is a schematic diagram of the optical fiber grinding machine provided by the embodiment of the present utility model;

[0021] Figure 2 is a top view schematic diagram of the optical fiber grinding machine provided by the embodiment of the present utility model;

[0022] Figure 3 is a top view sectional schematic diagram of the optical fiber grinding machine provided by the embodiment of the present utility model;

[0023] Figure 4 is a schematic diagram of the reset mechanism of the optical fiber grinding machine provided by the embodiment of the present utility model.

[0024] Marks in the drawings and corresponding component names:

[0025] 10 - Base; 11 - Grinding disc; 20 - Fixing disc; 201 - Fixing hole; 21 - Clamping member; 211 - Turntable; 212 - Pressing block; 213 - Return spring; 22 - Lifting column; 30 - Ratchet; 31 - Pawl; 40 - Push rod; 41 - Pressing rod; 42 - Telescopic column; 421 - Rotating cylinder; 50 - Locking knob. Detailed Embodiment

[0026] To make the purpose, technical solutions and advantages of the present utility model clearer and more understandable, the present utility model will be further described in detail below in combination with embodiments and drawings. The illustrative embodiments and descriptions of the present utility model are only used to explain the present utility model and do not limit the present utility model.

[0027] Embodiment

[0028] Please refer to Figures 1 to 4 , this embodiment provides an optical fiber grinding machine, including a base 10, a grinding disc 11 is provided on the top of the base 10, and the grinding disc 11 is drivingly connected to a motor to drive the grinding disc 11 to rotate horizontally; second, a fixing mechanism is included, and the fixing mechanism includes a fixing disc 20, a clamping member 21 and a positioning component. The fixing disc 20 is arranged parallel to the grinding disc 11 and is located directly above the grinding disc 11. The fixing disc 20 is connected to the base 10 through a plurality of lifting columns 22, so that the fixing disc 20 can approach or move away from the grinding disc 11; at least one fixing hole 201 is provided on the fixing disc 20, and the fixing hole 201 extends in the horizontal plane and penetrates the fixing disc 20 along the thickness direction of the fixing disc 20. The width of the fixing hole 201 matches the diameter of the pre-ground optical fiber, and the length is much larger than the diameter of the pre-ground optical fiber; the clamping member 21 is slidably matched with the fixing hole 201 to squeeze the pre-ground optical fiber vertically penetrating in the fixing hole 201, so that all the pre-ground optical fibers in the fixing hole 201 are sequentially attached; the positioning component can relatively fix the clamping member 21 and the fixing hole 201.

[0029] An optical fiber grinding machine provided by the present utility model realizes the basic functions of the optical fiber grinding machine by setting the base 10 and the grinding disc 11. On this basis, by setting a fixing mechanism including a fixing disc 20, a clamping member 21 and a positioning component, a fixing hole 201 is opened on the fixing disc 20 and its length and width are limited, so that the pre-ground optical fibers can be sequentially attached and vertically penetrated in the fixing hole 201, and then all the pre-ground optical fibers are pressed together by the clamping member 21, so that the adjacent pre-ground optical fibers support each other radially, thus effectively avoiding the problem that the pre-ground optical fibers are prone to radial bending during the grinding process; on this basis, by setting a positioning component, the clamping member 21 and the fixing hole 201 are relatively fixed; on this basis, by setting the lifting column 22, the fixing disc 20 and the grinding disc 11 can approach or move away from each other to perform the grinding operation on the pre-ground optical fiber fixed on the fixing disc 20; through the mutual cooperation of the above features, the optical fiber grinding machine can effectively solve the problem that the optical fiber is prone to bending during the grinding process, resulting in the inclination of the grinding surface.

[0030] To further improve the mutual support effect between pre-ground optical fibers, the fixing disk 20 is a disc, the fixing holes 201 are arc-shaped, and the fixing holes 201 are arranged with the axis of the fixing disk 20 as the axis; the clamping member 21 includes a turntable 211 and at least one pressing block 212. The turntable 211 is coaxially rotatably connected to the fixing disk 20. The pressing blocks 212 correspond to the fixing holes 201 one by one and are located in the corresponding fixing holes 201.

[0031] Through the above settings, the frictional force received by the pre-ground optical fiber extends along the length direction of the fixing hole 201, thereby further optimizing the lateral force orientation of the pre-ground optical fiber.

[0032] To enable the pressing block 212 to automatically reset, a return spring 213 is connected between the pressing block 212 and one end of the corresponding fixing hole 201. When the return spring 213 is in the natural state, the pressing block 212 is located at one end of the corresponding fixing hole 201.

[0033] To further explain the specific structure of the positioning component, the positioning component includes a ratchet wheel 30 and several ratchet pawls 31; the ratchet wheel 30 is coaxially and fixedly connected to the fixing disk 20, and the pitch of the ratchet wheel 30 is smaller than the width of the fixing hole 201; the tail end of the ratchet pawl 31 is axially hinged to the turntable 211 through a return torsion spring 311; when the return torsion spring 311 is in the natural state, all the ratchet pawls 31 are engaged and clamped with the ratchet wheel 30.

[0034] To further improve the balance performance of the structure, the ratchet pawls 31 are arranged in pairs, and the two ratchet pawls 31 in each pair are centrosymmetrically arranged with the axis of the ratchet wheel 30 as the axis.

[0035] To enable the positioning component to quickly reset, the positioning component further includes a reset mechanism. The reset mechanism includes a plurality of push rods 40, a plurality of pressure rods 41 and a telescopic column 42; the push rods 40 correspond to the pressure rods 41 one by one and also correspond to the ratchet pawls 31 one by one; one end of the push rod 40 is hinged to the corresponding ratchet pawl 31, and the other end is axially hinged to the corresponding pressure rod 41. The pressure rod 41 is axially hinged to the side wall of the telescopic column 42; the telescopic column 42 is coaxially connected to the ratchet wheel 30; when the telescopic column 42 is axially compressed, the pressure rod 41 gradually turns to the horizontal, so that the push rod 40 is radially pushed out, so that the ratchet pawl 31 is disengaged from the ratchet wheel 30, so that the turntable 211 resets.

[0036] Preferably, a rotating cylinder 421 is rotatably sleeved on the telescopic column 42, and the pressure rod 41 is axially hinged to the side wall of the rotating cylinder 421.

[0037] Preferably, there are multiple fixing holes 201, the diameters of the circles where all the fixing holes 201 are located are the same, and the lengths of all the fixing holes 201 are the same.

[0038] Optionally, a locking knob 50 is rotatably connected to the side wall of the fixing disk 20, and the end of the locking knob 50 can contact and press against the side wall of the lifting column 22 so that the fixing disk 20 and the lifting column 22 are relatively fixed.

[0039] Preferably, the lifting columns 22 are arranged in pairs.

[0040] The specific embodiments described above further elaborate on the purpose, technical solutions, and beneficial effects of the present invention. It should be understood that the above are only specific embodiments of the present invention and are not used to limit the protection scope of the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. An optical fiber grinding machine, characterized in that, Comprising: A base (10), on the top of the base (10) there is a grinding disc (11), and the grinding disc (11) is drivingly connected to a motor to drive the grinding disc (11) to rotate horizontally; A fixing mechanism, the fixing mechanism includes a fixing disc (20), a clamping member (21) and a positioning assembly, the fixing disc (20) is arranged parallel to the grinding disc (11) and is located directly above the grinding disc (11), the fixing disc (20) is connected to the base (10) through a plurality of lifting columns (22) so that the fixing disc (20) can approach or move away from the grinding disc (11); The fixing disc (20) is provided with at least one fixing hole (201), the fixing hole (201) extends in the horizontal plane and penetrates the fixing disc (20) along the thickness direction of the fixing disc (20), the width of the fixing hole (201) matches the diameter of the pre-ground optical fiber, and the length is much larger than the diameter of the pre-ground optical fiber; The clamping member (21) is slidably matched with the fixing hole (201) to squeeze the pre-ground optical fiber vertically arranged in the fixing hole (201) so that all the pre-ground optical fibers in the fixing hole (201) are sequentially attached; The positioning assembly can relatively fix the clamping member (21) and the fixing hole (201).

2. The optical fiber grinding machine according to claim 1, wherein, The fixing disc (20) is a disc, the fixing hole (201) is arc-shaped, and the fixing hole (201) is arranged with the axis of the fixing disc (20) as the axis; The clamping member (21) includes a turntable (211) and at least one pressing block (212), the turntable (211) is coaxially rotatably connected to the fixing disc (20), the pressing block (212) corresponds to the fixing hole (201) one by one and is located in the corresponding fixing hole (201).

3. The optical fiber grinding machine according to claim 2, wherein, A return spring (213) is connected between the pressing block (212) and one end of the corresponding fixing hole (201), and when the return spring (213) is in the natural state, the pressing block (212) is located at one end of the corresponding fixing hole (201).

4. The optical fiber grinding machine according to claim 2, wherein, The positioning assembly includes a ratchet (30) and a plurality of pawls (31); The ratchet (30) is coaxially fixedly connected to the fixing disc (20), and the pitch of the ratchet (30) is smaller than the width of the fixing hole (201); The tail end of the pawl (31) is axially hinged to the turntable (211) through a return torsion spring (311); When the return torsion spring (311) is in the natural state, all the pawls (31) are engaged and clamped with the ratchet (30).

5. The optical fiber grinding machine according to claim 4, characterized in that, The pawls (31) are arranged in pairs, and the two pawls (31) in each pair are centrosymmetrically arranged with the axis of the ratchet (30) as the axis.

6. The optical fiber grinding machine according to claim 5, wherein, The positioning assembly further includes a reset mechanism, and the reset mechanism includes a plurality of push rods (40), a plurality of pressure rods (41) and a telescopic column (42); The push rods (40) correspond to the pressure rods (41) one by one and correspond to the pawls (31) one by one; One end of the push rod (40) is hinged to the corresponding ratchet pawl (31), and the other end is axially hinged to the corresponding pressure rod (41). The pressure rod (41) is axially hinged to the side wall of the telescopic column (42). The telescopic column (42) is coaxially connected to the ratchet wheel (30). When the telescopic column (42) is axially compressed, the pressure rod (41) gradually turns to the horizontal, so that the push rod (40) is radially pushed out, so that the ratchet pawl (31) is disengaged from the ratchet wheel (30), so that the turntable (211) is reset.

7. The optical fiber grinding machine according to claim 6, wherein, A rotating cylinder (421) is rotatably sleeved on the telescopic column (42), and the pressure rod (41) is axially hinged to the side wall of the rotating cylinder (421).

8. The optical fiber grinding machine according to claim 2, characterized in that There are multiple fixing holes (201). The diameters of the circles where all the fixing holes (201) are located are the same, and the lengths of all the fixing holes (201) are the same.

9. The optical fiber grinding machine according to claim 1, wherein A locking knob (50) is rotatably connected to the side wall of the fixing disk (20). The end of the locking knob (50) can contact and press against the side wall of the lifting column (22), so that the fixing disk (20) and the lifting column (22) are relatively fixed.

10. The optical fiber grinding machine according to claim 1, wherein The lifting columns (22) are arranged in pairs.

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