Precise optical component inner aperture grinding device

Abstract

The utility model provides a precision optical component inner aperture grinding device, which relates to the technical field of optical precision machining.The inner aperture grinding device comprises an electric rotary table, a grinding rod, a fixed claw, a center rod, a horizontal guide rail, a clamping claw, a large bevel gear and a small bevel gear, and the small bevel gear and the large bevel gear are driven by a power device to rotate and work. The spiral slide way enables the teeth to slide along the slide way, then the clamping jaw drives the grinding rod to move along the sliding groove in the bottom end of the center rod, the grinding rod can be adjusted according to different inner hole diameters of a machined element, machining precision is high, the procedure steps are saved, the grinding rod does not incline by an angle relative to the machined element, and machining efficiency is improved. The problems that in the existing manual grinding process, the grinding effect difference is large, batch production is difficult to meet, and grinding is not uniform due to angle deviation of an inner hole diameter machining area of a machined element are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of optical precision machining, in particular to a device for grinding the inner aperture of a precision optical component. Background Art

[0002] At present, manual grinding is commonly used for grinding the inner holes of precision optical components. The amount of grinding is completely controlled by the operator's experience. Due to the differences in speed, angle and force during grinding, the grinding effects vary greatly, making it difficult to meet the needs of mass production.

[0003] Traditional manual grinding methods usually lead to the following problems: (1) Due to the inconsistency of aperture size, it is necessary to frequently replace grinding wheels of different sizes for matching, which affects the grinding efficiency; (2) During the grinding process, it is difficult to ensure that the grinding wheel fits tightly against the processing area, and uneven grinding is prone to occur during the grinding process. Utility Model Content

[0004] Therefore, the technical problem to be solved by the present invention is to overcome the defects in the prior art, thereby providing a precision optical component inner aperture grinding device.

[0005] A precision optical component inner aperture grinding device, comprising: an electric turntable and a grinding rod, wherein a plurality of fixed claws are evenly arranged in the circumferential direction of the electric turntable, a center rod is correspondingly arranged above the processed component, the top end of the center rod is slidably arranged on a horizontal guide rail, a support rod is arranged at either end of the horizontal guide rail, a plurality of slide grooves are evenly arranged in the circumferential direction of the bottom end of the center rod, claws are arranged in the slide grooves, the grinding rod is arranged on the claws, the grinding rod is perpendicular to the horizontal plane, and teeth are arranged in pairs on the claws;

[0006] The inner aperture grinding device also includes a large bevel gear, one side of which is provided with a slideway corresponding to the teeth, the slideway is spiral, the teeth are slidably arranged in the slideway, the other side of the large bevel gear is meshed with a small bevel gear, and the small bevel gear is connected to the power output end of the power device.

[0007] Furthermore, a guide rail fastening device is provided on one end of the horizontal guide rail close to the support rod, and the guide rail fastening device is connected to the support rod.

[0008] Furthermore, the power device is a claw driving device, and the power output end of the claw driving device is connected to the small bevel gear.

[0009] Furthermore, the inner diameter grinding device also includes a shell, the shell is arranged on the center rod, and the large bevel gear and the small bevel gear are arranged inside the shell.

[0010] Furthermore, a claw driving hole corresponding to the claw driving device is provided on the shell, and the claw driving device is mounted on the claw driving hole.

[0011] Furthermore, the inner aperture grinding device also includes a bearing base, and the electric turntable is arranged on the bearing base.

[0012] Furthermore, a mounting seat is provided on the bearing base, and the support rod is mounted on the mounting seat.

[0013] Furthermore, the inner aperture grinding device also includes a first locking device, and the first locking device is connected to the mounting seat and the support rod at the same time.

[0014] Furthermore, a sliding ring is connected to the top end of the central rod, and the sliding ring is slidably connected to the horizontal guide rail.

[0015] Furthermore, the inner aperture grinding device also includes a second locking device, and the second locking device is connected to the sliding ring and the horizontal guide rail at the same time.

[0016] The technical solution of the utility model has the following advantages:

[0017] 1. The utility model provides a precision optical component inner aperture grinding device, which drives the small bevel gear and the large bevel gear to rotate by a power device, and sets a spiral slideway to make the teeth slide along the slideway, so that the clamping claw drives the grinding rod to move along the slide groove at the bottom end of the center rod, so that multiple clamping claws drive the grinding rod to move away from or close to the center of the cross section of the center rod at the same time, so that the grinding rod can be adjusted according to the different inner apertures of the processed components, so as to meet the grinding requirements of the processed components with different inner apertures, and the processing accuracy is high, while saving process steps, the tedious process of repeated design is avoided, and the work efficiency is improved. Because the grinding rod is fixed and restricted on the clamping claw and the grinding rod is fixed on the clamping claw, the grinding rod is fixed on the clamping claw. The grinding rod is perpendicular to the horizontal plane. Therefore, during the grinding process, the grinding rod will not be tilted at an angle relative to the processed component, thus avoiding the problem of uneven grinding caused by angle deviation in the inner aperture processing area of ​​the processed component. The setting of the horizontal guide rail and the support rod increases the flexibility of the device adjustment, so that the device can meet the use requirements of different positions and heights. Compared with traditional manual grinding, the grinding speed of the electric turntable is more uniform and the grinding accuracy is also higher. The transmission accuracy of the large bevel gear and the small bevel gear is high, which helps to ensure the accuracy of the grinding process of the device. Multiple fixed claws also limit and lock the processed component to ensure that the processed component does not move during the grinding process.

[0018] 2. In the technical solution provided by the utility model, the guide rail fastening device provides a fastening connection between the horizontal guide rail and the support rod, and the guide rail fastening device can also adjust the tightness so that the height of the horizontal guide rail can be adjusted along the support rod. The first locking device limits and fixes the mounting seat and the support rod, and the second locking device limits and fixes the sliding ring and the horizontal guide rail. The outer shell protects the large bevel gear and the small bevel gear to prevent dust and foreign matter from falling on the large bevel gear and the small bevel gear and affecting their work. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the specific implementation methods of the utility model or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0020] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0021] Figure 2 This is a schematic diagram of the structure of the small bevel gear, large bevel gear, teeth and claw drive device of the utility model;

[0022] Figure 3 It is a top view of the overall structure of the utility model.

[0023] Description of reference numerals:

[0024] 1-carrying base; 2-electric turntable; 3-fixed claw; 4-processed component; 5-grinding rod; 6-claw driving hole; 7-center rod; 8-horizontal guide rail; 9-claw; 10-guide rail fastening device; 11-support rod; 12-1-first locking device; 12-2-second locking device; 13-small bevel gear; 14-slideway; 15-large bevel gear; 16-teeth; 17-claw driving device. DETAILED DESCRIPTION

[0025] The technical solution of the utility model will be described clearly and completely below in conjunction with the accompanying drawings. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0027] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0028] In addition, the technical features involved in the different embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other.

[0029] like Figure 1~Figure 3 A precision optical component inner aperture grinding device shown in the figure comprises: an electric turntable 2 and a grinding rod 5, wherein a plurality of fixed claws 3 are evenly arranged in the circumferential direction of the electric turntable 2, a processed component 4 is arranged on the electric turntable 2, and the processed component 4 is clamped and fixed by the plurality of fixed claws 3;

[0030] A center rod 7 is correspondingly arranged above the processed element 4, and the top end of the center rod 7 is slidably arranged on a horizontal guide rail 8. A support rod 11 is arranged at either end of the horizontal guide rail 8. A plurality of slide grooves are evenly arranged in the circumferential direction of the bottom end of the center rod 7. A clamping claw 9 is arranged in the slide groove. A grinding rod 5 is arranged on the clamping claw 9. The grinding rod 5 is perpendicular to the horizontal plane. The clamping claw 9 is provided with teeth 16 in pairs. In this embodiment, the number of the fixed claws 3 and the clamping claw 9 are both 3, but the number can be adjusted according to actual use requirements; the grinding rod 5 is of detachable design, and a thread is arranged on the grinding rod 5. A threaded hole is opened on the clamping claw 9. The grinding rod 5 is threadedly connected to the clamping claw 9 to meet the replacement requirements of the grinding rod 5 and increase the functionality of the device;

[0031] The inner aperture grinding device also includes a large bevel gear 15, and a slideway 14 corresponding to the teeth 16 is opened on one side of the large bevel gear 15. The slideway 14 is spiral, and the spacing of the slideway 14 is equal everywhere, so that multiple claws 9 maintain the same distance when moving; the teeth 16 are slidably arranged in the slideway 14, and the other side of the large bevel gear 15 is meshed with the small bevel gear 13, and the small bevel gear 13 is connected to the power output end of the power device.

[0032] The above-mentioned precision optical component inner aperture grinding device drives the small bevel gear 13 and the large bevel gear 15 to rotate by a power device, and by setting a spiral slideway 14, the teeth 16 slide along the slideway 14, so that the claws 9 drive the grinding rod 5 to move along the slide groove at the bottom end of the center rod 7, so that multiple claws 9 drive the grinding rod 5 to move away from or close to the center position of the cross section of the center rod 7 at the same time, so that the grinding rod 5 can be adjusted according to the different inner apertures of the processed component 4, so as to meet the grinding requirements of the processed components 4 with different inner apertures, and the processing accuracy is high, while saving process steps, avoiding the tedious process of repeated design, and improving work efficiency. Since the grinding rod 5 is fixed and restricted on the claws 9 and the grinding The rod 5 is perpendicular to the horizontal plane. Therefore, during the processing and grinding, the grinding rod 5 will not be tilted at an angle relative to the processed component 4, thus avoiding the problem of uneven grinding caused by angle deviation in the inner aperture processing area of ​​the processed component 4. The setting of the horizontal guide rail 8 and the support rod 11 increases the flexibility of the device adjustment, so that the device can meet the use requirements of different positions and different heights. Compared with traditional manual grinding, the grinding speed of the electric turntable is more uniform and the grinding accuracy is also higher. The transmission accuracy of the large bevel gear 15 and the small bevel gear 13 is high, which helps to ensure the accuracy of the grinding process of the device. Multiple fixed claws 3 also limit and lock the processed component 4 to ensure that the processed component 4 does not move during the grinding process.

[0033] like Figure 1 As shown, in the present embodiment, a guide rail fastening device 10 is provided at one end of the horizontal guide rail 8 close to the support rod 11, and the guide rail fastening device 10 is connected to the support rod 11; threaded holes are provided in pairs on the guide rail fastening device 10, and when the threaded holes are connected with bolts, the guide rail fastening device 10 is in a locked state, at which time the horizontal guide rail 8 is fixed on the support rod 11; when the threaded holes are not connected with bolts, the horizontal guide rail 8 can adjust the height of the horizontal guide rail 8 up and down along the support rod 11, and can also rotate along the support rod 11 to adjust the position, so that the device can meet the use requirements of different heights, thereby increasing the flexibility of the device.

[0034] like Figure 1 and Figure 2As shown, in this embodiment, the power device is a claw driving device 17, and the power output end of the claw driving device 17 is connected to the small bevel gear 13; the claw driving device 17 can be a motor or other device with the same effect. When the claw driving device 17 is driven by a non-motor, a rocker can be used to connect with the claw driving device 17 through the claw driving hole 6 to manually drive the claw driving device 17 to rotate. When the claw driving device 17 is driven by a motor, the small bevel gear 13 and the large bevel gear 15 are driven to rotate directly through the claw driving device 17. By setting a spiral slideway 14, the teeth 16 slide along the slideway 14, and then the claws 9 drive the grinding rod 5 to move along the slide groove at the bottom end of the center rod 7, so that multiple claws 9 drive the grinding rod 5 to move away from or close to the center of the cross section of the center rod 7 at the same time, so that the grinding rod 5 can be adjusted according to the different inner diameters of the processed component 4, thereby meeting the grinding requirements of the processed components 4 with different inner diameters.

[0035] like Figure 1 and Figure 2 As shown, in this embodiment, the inner diameter grinding device also includes an outer shell, which is arranged on the center rod 7, and the large bevel gear 15 and the small bevel gear 13 are arranged inside the outer shell; the outer shell protects the large bevel gear 15 and the small bevel gear 13 to prevent dust and foreign matter from falling onto the large bevel gear 15 and the small bevel gear 13, affecting the operation of the device, and causing damage to the large bevel gear 15 and the small bevel gear 13. At the same time, the claw 9 is not arranged inside the outer shell, ensuring that the movement process of the claw 9 is not affected. The end of the claw 9 away from the grinding rod 5 is detachably provided with a barb structure. During the transportation of the inner diameter grinding device, the barb structure is installed on the claw 9 so that the barb structure fits with the outer shell to ensure that the claw 9 and the grinding rod 5 will not be displaced too much and thus prevent accidental damage. During the working grinding process, the barb structure is removed to ensure the normal operation of the claw 9 and the grinding rod 5.

[0036] like Figure 1 and Figure 2 As shown, in this embodiment, a claw driving hole 6 corresponding to the claw driving device 17 is opened on the shell, and the claw driving device 17 is installed on the claw driving hole 6; the claw driving device 17 is fixedly installed on the shell, so that the position of the small bevel gear 13 is fixed, ensuring that the small bevel gear 13 can drive the large bevel gear 15 to rotate.

[0037] like Figure 1 and Figure 3As shown, in this embodiment, the inner aperture grinding device also includes a supporting base 1, and the electric turntable 2 is arranged on the supporting base 1; the supporting base 1 is used to support the entire inner aperture grinding device, and during transportation, the supporting base 1 can absorb vibration to prevent damage to the inner aperture grinding device, and bearings are also provided on the supporting base 1, and the electric turntable 2 is installed on the bearings to ensure the rotation of the electric turntable 2.

[0038] like Figure 1 As shown, in this embodiment, a mounting seat is provided on the bearing base 1, and the support rod 11 is installed on the mounting seat; a mounting hole corresponding to the support rod 11 is opened on the mounting seat, and the support rod 11 is installed in the mounting hole, so that the support rod 11 is stably installed on the bearing base 1, thereby ensuring the stability of the horizontal guide rail 8 during the height adjustment and rotation process and the grinding process.

[0039] like Figure 1 As shown, in this embodiment, the inner diameter grinding device also includes a first locking device 12-1, and the first locking device 12-1 is connected to the mounting seat and the support rod 11 at the same time; the mounting seat and the support rod 11 are both provided with a first locking hole corresponding to the first locking device 12-1, and the first locking device 12-1 and the first locking hole are cooperatively connected. The first locking device 12-1 is specifically a bolt, which plays a role in fixing the mounting seat and the support rod 11.

[0040] like Figure 1 and Figure 2 As shown, in this embodiment, a sliding ring is connected to the top end of the center rod 7, and the sliding ring is slidably connected to the horizontal guide rail 8; the sliding ring is slidably set on the horizontal guide rail 8, and the setting of the sliding ring provides guiding support for the sliding of the center rod 7, thereby ensuring the accuracy and guidance of the center rod 7 and the large bevel gear 15 and the small bevel gear 13 during the movement and adjustment process.

[0041] like Figure 1 As shown, in this embodiment, the inner diameter grinding device also includes a second locking device 12-2, and the second locking device 12-2 is connected to the sliding ring and the horizontal guide rail 8 at the same time; the sliding ring and the horizontal guide rail 8 are both provided with second locking holes corresponding to the second locking device 12-2, and the second locking device 12-2 is connected with the second locking hole in cooperation, and the second locking device 12-2 is specifically a bolt, which plays a role in fixing the sliding ring and the horizontal guide rail 8.

[0042] like Figure 1~Figure 3 As shown, in this embodiment, the method of using the inner aperture grinding device is as follows:

[0043] Step 1: Place the processed component 4 between the fixed claws 3;

[0044] Step 2: Tighten the fixing claws 3 so that the fixing claws 3 come into contact with the processed component 4, so that the three fixing claws 3 fix the processed component 4 at the center position of the supporting base 1;

[0045] Step 3: Move the sliding ring and the center rod 7 along the horizontal guide rail 8, and rotate the horizontal guide rail 8 along the support rod 11 at the same time, so that the grinding rod 5 is suspended above the processed component 4, and the sliding ring and the horizontal guide rail 8 are fixedly connected using the second locking device 12-2, and then the horizontal guide rail 8 is adjusted to the required height along the support rod 11, and the threaded holes on the guide rail fastening device 10 are fastened by bolts to fix the height position of the horizontal guide rail 8;

[0046] Step 4: Start the claw driving device 17, the power output end of the claw driving device 17 rotates to drive the small bevel gear 13 to rotate, the small bevel gear 13 drives the large bevel gear 15 to rotate, and then the claw 9 drives the grinding rod 5 to move along the slideway 14 in the slideway at the bottom end of the center rod 7 through the meshing and sliding of the slideway 14 and the teeth 16 until the grinding rod 5 fits with the inner wall of the processed component 4;

[0047] Step 5: Start the electric turntable 2, which drives the fixed claws 3 and the processed component 4 to rotate at a constant speed to grind the inner wall of the processed component 4.

[0048] Obviously, the above embodiments are merely examples for the purpose of clear explanation, and are not intended to limit the implementation methods. For those skilled in the art, other different forms of changes or modifications can be made based on the above description. It is not necessary and impossible to list all the implementation methods here. The obvious changes or modifications derived therefrom are still within the scope of protection of the invention of the utility model.

Claims

1. A precision optical component inner aperture grinding device, comprising: An electric turntable (2) and a grinding rod (5), characterized in that a plurality of fixed claws (3) are evenly arranged in the circumferential direction of the electric turntable (2), a center rod (7) is correspondingly arranged above the processed element (4), the top end of the center rod (7) is slidably arranged on a horizontal guide rail (8), a support rod (11) is arranged at either end of the horizontal guide rail (8), a plurality of slide grooves are evenly arranged in the circumferential direction of the bottom end of the center rod (7), claws (9) are arranged in the slide grooves, the grinding rod (5) is arranged on the claws (9), the grinding rod (5) is perpendicular to the horizontal plane, and teeth (16) are arranged in pairs on the claws (9); The inner diameter grinding device further comprises a large bevel gear (15), one side of the large bevel gear (15) is provided with a slideway (14) corresponding to the teeth (16), the slideway (14) is spiral-shaped, the teeth (16) are slidably arranged in the slideway (14), the other side of the large bevel gear (15) is meshed with a small bevel gear (13), and the small bevel gear (13) is connected to a power output end of the power device.

2. The inner aperture grinding device of a precision optical component according to claim 1, characterized in that: A guide rail fastening device (10) is provided on one end of the horizontal guide rail (8) close to the support rod (11), and the guide rail fastening device (10) is connected to the support rod (11).

3. The inner aperture grinding device of a precision optical component according to claim 1, characterized in that: The power device is a claw driving device (17), and a power output end of the claw driving device (17) is connected to the small bevel gear (13).

4. The inner aperture grinding device of a precision optical component according to claim 3, characterized in that: The inner diameter grinding device further comprises an outer shell, which is arranged on the central rod (7), and the large bevel gear (15) and the small bevel gear (13) are arranged inside the outer shell.

5. The precision optical component inner aperture grinding device according to claim 4, characterized in that: The housing is provided with a claw drive hole (6) corresponding to the claw drive device (17), and the claw drive device (17) is mounted on the claw drive hole (6).

6. The precision optical component inner aperture grinding device according to claim 1, characterized in that: The inner diameter grinding device further comprises a bearing base (1), and the electric turntable (2) is arranged on the bearing base (1).

7. The precision optical component inner aperture grinding device according to claim 6, characterized in that: The bearing base (1) is provided with a mounting seat, and the support rod (11) is mounted on the mounting seat.

8. The precision optical component inner aperture grinding device according to claim 7, characterized in that: The inner diameter grinding device further comprises a first locking device (12-1), and the first locking device (12-1) is connected to the mounting seat and the support rod (11) at the same time.

9. The precision optical component inner aperture grinding device according to claim 1, characterized in that: The top end of the central rod (7) is connected to a sliding ring, which is slidably connected to the horizontal guide rail (8).

10. The precision optical component inner aperture grinding device according to claim 9, characterized in that: The inner aperture grinding device also includes a second locking device (12-2), and the second locking device (12-2) is connected to the sliding ring and the horizontal guide rail (8) at the same time.

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