Machining jig for small-size optical parts

Abstract

The utility model discloses a machining jig for a small-size optical part. A machining workbench of the optical part is a magnetic attraction fixing workbench. Comprising a panel, a bottom plate, a first fixing block, a stop block, a second fixing block, a fastening screw and a positioning column, the panel is placed on the bottom plate, the panel and the bottom plate are fixed together through the positioning columns, and the bottom plate is magnetically attracted to the magnetic attraction fixing workbench; the bottom plate is used for isolating the magnetic attraction effect of the magnetic attraction fixing workbench on the optical part. The first fixing block and the second fixing block are fixed on the panel, the optical part is placed at a position between the first fixing block and the second fixing block on the panel, and the stop block is arranged between the first fixing block and the optical part; a through hole matched with the fastening screw is formed in the first fixing block and used for pushing the stop block through the fastening screw to drive the optical part to be tightly attached to the second fixing block, so that the optical part is fixed. The machining stability of small-size optical parts can be improved, and the machining precision is guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to optical parts processing fixture technical field especially, it is a kind of processing fixture for small size optical parts. BACKGROUND

[0002] When factory processes small volume mould parts, for example, processes optical mould, optical bush etc., in order to facilitate fixation, usually adopts magnetic table to fix the part, then carries out polishing, cutting etc.on the surface of the part.Processing. However, if workpiece is directly adsorbed on magnetic table without fixation, precision is easy to not reach higher requirement, simultaneously due to magnetic influence, cause workpiece to possibly exist resonance in processing process, cause true roundness distortion, surface roughness becomes big, concentricity and position degree deviation etc.precision problem, above-mentioned problem has the probability to cause workpiece scrap. SUMMARY

[0003] The utility model provides a kind of processing fixture for small size optical parts, can improve the stability of the processing of small size optical parts, guarantee processing precision.

[0004] In order to solve above-mentioned technical problem, the utility model discloses a kind of processing fixture for small size optical parts, the processing workbench of the optical part is magnetic attraction fixed workbench;

[0005] Including panel (1), bottom plate (2), first fixed block (3), stop block (6), second fixed block (7), tight screw (8) and positioning column (9);

[0006] The panel (1) is placed on bottom plate (2), and the two are fixed together by positioning column (9), and bottom plate (2) is magnetically attracted on the magnetic attraction fixed workbench;The bottom plate (2) is used to isolate the magnetic attraction of the magnetic attraction fixed workbench to the optical part;

[0007] The first fixed block (3) and the second fixed block (7) are fixed on the panel (1), and the optical part is placed on the position between the first fixed block (3) and the second fixed block (7) on the panel (1), and the stop block (6) is arranged between the first fixed block (3) and the optical part;

[0008] The first fixed block (3) is provided with through hole matched with tight screw (8), for driving the stop block (6) by tight screw (8) to make the optical part closely adhere to the second fixed block (7) to realize the fixation of the optical part.

[0009] As an optional embodiment, the optical component is a coaxial first cylinder and a second cylinder combined, wherein the first cylinder is above the second cylinder, and the diameter of the first cylinder is smaller than that of the second cylinder to form a stepped surface on the second cylinder; the processing jig further comprises a first pressing block (4) and a fastener;

[0010] One end of the first pressing block (4) is a V-shaped port, which is used to press on the stepped surface on the second cylinder and tightly contact the cylindrical surface of the first cylinder;

[0011] Each of the optical components is provided with two first pressing blocks (4) respectively arranged on both sides of the optical component to clamp the first cylinder of the optical component;

[0012] The middle part of the first pressing block (4) is a long hole, and the fastener passes through the long hole and is fixed to the surface of the panel (1), and the head of the fastener is pressed in the long hole to fix the first pressing block (4).

[0013] As another optional embodiment, the stop block (6) is provided with a V-shaped port at one end facing the optical component, which is used to clamp the cylindrical surface of the optical component.

[0014] As another optional embodiment, a second pressing block (5) is further included; the middle part of the stop block (6) is provided with a through hole, and the second pressing block (5) passes through the through hole and is fixed to the surface of the panel (1), and the head of the second pressing block (5) is pressed in the through hole to fix the stop block (6).

[0015] As another optional embodiment, the stop block (6) is provided with at least two V-shaped ports spaced apart at one end facing the optical component, which are used to clamp multiple optical components at the same time.

[0016] As another optional embodiment, the middle part of the panel (1) is provided with a plurality of through holes, and the middle part of the bottom plate (2) is provided with an exhaust groove in communication with the through holes, and the sidewall of the exhaust groove is provided with an exhaust hole in communication with the outside.

[0017] As another optional embodiment, the bottom plate (2) is respectively designed with auxiliary grooves on both sides, which are used for separating the bottom plate (2) from the panel (1).

[0018] As another optional embodiment, a PS 1 / 4 screw thread is arranged in the exhaust hole, which is used to cooperate with a tool with an external thread for manual disassembly.

[0019] As another optional implementation, the middle part of the panel (1) is provided with a first through slot in the left-right direction, and each position for placing the optical component on the panel (1) is provided with a second through slot in the front-rear direction, and the first through slot is communicated with each second through slot.

[0020] Compared with the prior art, the embodiments of the utility model have the following beneficial effects:

[0021] For small-size optical components, the embodiments of the utility model increase the bottom plate to isolate the magnetic attraction of the magnetic workbench to the components, so as to reduce the resonance of the components in the machining process, which may cause the size error and the increase of the surface roughness, improve the stability of the machining, and ensure the machining precision. BRIEF DESCRIPTION OF DRAWINGS

[0022] In order to more clearly illustrate the technical scheme in the embodiments of the utility model, the following will briefly introduce the drawings needed to be used in the embodiment description, and obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can also be obtained according to these drawings without creating labor.

[0023] Figure 1 It is a structure schematic view of the machining jig for placing optical components disclosed by the embodiments of the utility model;

[0024] Figure 2 It is a structure schematic view of the panel of the machining jig for placing optical components disclosed by the embodiments of the utility model;

[0025] Figure 3 It is a structure schematic view of the machining jig for small-size optical components disclosed by the embodiments of the utility model;

[0026] Figure 4 It is a structure schematic view of the first fixing block of the machining jig disclosed by the embodiments of the utility model;

[0027] Figure 5 It is a structure schematic view of the first pressing block of the machining jig disclosed by the embodiments of the utility model;

[0028] Figure 6 It is a structure schematic view of the second pressing block of the machining jig disclosed by the embodiments of the utility model;

[0029] Figure 7 It is a structure schematic view of the blocking block of the machining jig disclosed by the embodiments of the utility model;

[0030] Figure 8 It is a structure schematic view of the second fixing block of the machining jig disclosed by the embodiments of the utility model. DETAILED DESCRIPTION

[0031] In order to help those skilled in the art better understand the present invention, the following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts shall fall within the scope of protection of the present invention.

[0032] See also Figure 1 , an embodiment of the utility model discloses a processing jig for a small-sized optical component (10), wherein the processing workbench of the optical component (10) is a magnetic fixed workbench;

[0033] The processing jig comprises a panel (1), a base plate (2), a first fixed block (3), a stopper (6), a second fixed block (7), a set screw (8) and a positioning column (9);

[0034] The panel (1) is placed on the base plate (2), and the two are fixed together by positioning columns (9), and the base plate (2) is magnetically attracted to the magnetic attraction fixing workbench; the base plate (2) is used to isolate the magnetic attraction effect of the magnetic attraction fixing workbench on the optical component (10);

[0035] The first fixing block (3) and the second fixing block (7) are fixed on the panel (1), the optical component is placed between the first fixing block (3) and the second fixing block (7) on the panel (1), and the stop block (6) is provided between the first fixing block (3) and the optical component;

[0036] The first fixing block (3) is provided with a through hole that cooperates with a set screw (8) and is used to push the stop block (6) through the set screw (8) to drive the optical component to be closely attached to the second fixing block (7) to fix the optical component.

[0037] For small-sized optical parts (10), this embodiment isolates the magnetic attraction of the magnetic workbench on the parts by adding a bottom plate, so as to reduce the resonance that may occur in the parts during the processing, resulting in dimensional errors and increased surface roughness, thereby improving the processing stability and ensuring the processing accuracy.

[0038] In an optional embodiment, the optical component (10) is composed of a first cylinder and a second cylinder of coaxial and different diameters, wherein the first cylinder is located above the second cylinder, and the diameter of the first cylinder is smaller than the diameter of the second cylinder to form a step surface on the second cylinder; the processing jig further includes a first pressing block (4) and a fastener (13);

[0039] The first pressing block (4) has a V-shaped opening at one end, which is used to press on the stepped surface of the second cylinder and tightly contact the cylindrical surface of the first cylinder;

[0040] Each optical component (10) is provided with two first pressing blocks (4) respectively arranged on both sides of the optical component (10) to clamp the first cylinder of the optical component (10);

[0041] The middle part of the first pressing block (4) is a long hole, and the fastener (13) passes through the long hole and is fixed to the surface of the panel (1), and the head of the fastener (13) is pressed into the long hole to fix the first pressing block (4).

[0042] In this embodiment, the first pressing block (4) is used to press on the stepped surface of the optical component (10), and the V-shaped opening of the two first pressing blocks (4) is used to clamp the optical component (10), so that the optical component (10) is not easy to loosen during processing, and the processing is stable, and the flatness is guaranteed.

[0043] In another optional embodiment, the stop block (6) is provided with a V-shaped opening at one end facing the optical component (10) for clamping the cylindrical surface of the optical component (10).

[0044] In another optional embodiment, a second pressing block (5) is further included, and the middle part of the stop block (6) is provided with a through hole, and the second pressing block (5) passes through the through hole and is fixed to the surface of the panel (1), and the head of the second pressing block (5) is pressed into the through hole to fix the stop block (6).

[0045] In another optional embodiment, the stop block (6) is provided with at least two V-shaped openings spaced apart at one end facing the optical component (10) for clamping multiple optical components (10) at the same time.

[0046] In another optional embodiment, the middle part of the panel (1) is provided with a plurality of through holes (14), and the middle part of the bottom plate (2) is provided with an exhaust groove (15) communicating with the through holes (14), and the sidewall of the exhaust groove (15) is provided with an exhaust hole (11) communicating with the outside.

[0047] Through the design of this embodiment, air and oil stains enter the exhaust groove of the bottom plate (2) through the through holes of the panel (1), and then are discharged through the side exhaust hole (11).

[0048] In another optional embodiment, the bottom plate (2) is provided with auxiliary grooves (12) on both sides, which are used for separating the bottom plate (2) from the panel (1).

[0049] In yet another optional embodiment, the exhaust hole (11) is provided with a PS 1 / 4 screw thread, which is used to cooperate with a tool with an external thread for manual disassembly.

[0050] In the embodiment, when the magnetic fixing workbench has residual magnetic force, a tool with an external thread can be used for manual disassembly.

[0051] In yet another optional embodiment, the middle part of the panel (1) is provided with a left-right direction first through slot, and the positions of the panel (1) for placing the optical parts (10) are each provided with a front-rear direction second through slot, and the first through slot and each second through slot are in communication.

[0052] In the embodiment, the first through slot and the second through slot are designed to facilitate cleaning and disassembly.

[0053] For example, the embodiment of the utility model discloses a kind of usage of processing jig: Figure 1

[0054] Panel (1) and bottom plate (2) are connected using positioning column (9). Fixed block (3) and fixed block (7) are locked on the corresponding position of panel (1) using set screw (8) respectively. The workpiece and workpiece hanging platform that need to be processed are respectively supported on the position of fixed block (7). Set screw (8) is pushed through fixed block 1 (3) to move stop block (6) towards the workpiece direction until the workpiece is blocked. Pressing block (4) is locked on the corresponding position of panel (1) respectively, and presses the workpiece. Then press block (5) is pressed in the center hole position of stop block (6) and locked. Finally, the jig is placed on the machine workbench, and the mold core bushing precision batch processing can be implemented.

[0055] The content disclosed by the embodiment of the utility model is only the preferred embodiment of the utility model, and is only used to illustrate the technical scheme of the utility model, not to limit it. Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that the technical scheme recorded in the foregoing embodiments can be modified, or some technical features can be replaced. The modification or replacement does not make the essence of the corresponding technical scheme deviate from the spirit and scope of the technical scheme of the embodiments of the utility model.​

Claims

1. A processing jig for small-sized optical parts, wherein the processing workbench of the optical parts is a magnetic fixed workbench; characterized in that: It comprises a panel (1), a bottom plate (2), a first fixing block (3), a stop block (6), a second fixing block (7), a set screw (8) and a positioning column (9); The panel (1) is placed on the base plate (2), and the two are fixed together by positioning columns (9), and the base plate (2) is magnetically attracted to the magnetic attraction fixing workbench; the base plate (2) is used to isolate the magnetic attraction effect of the magnetic attraction fixing workbench on the optical component; The first fixing block (3) and the second fixing block (7) are fixed on the panel (1), the optical component is placed between the first fixing block (3) and the second fixing block (7) on the panel (1), and the stop block (6) is provided between the first fixing block (3) and the optical component; The first fixing block (3) is provided with a through hole that cooperates with a set screw (8) and is used to push the stop block (6) through the set screw (8) to drive the optical component to be closely attached to the second fixing block (7) to fix the optical component.

2. The processing jig according to claim 1, characterized in that: The optical component is composed of a first cylinder and a second cylinder of coaxial and different diameters, wherein the first cylinder is located above the second cylinder, and the diameter of the first cylinder is smaller than the diameter of the second cylinder to form a step surface on the second cylinder; the processing jig also includes a first pressing block (4) and a fastener; One end of the first pressing block (4) is a V-shaped opening, and the V-shaped opening is used to press onto the step surface of the second cylinder and closely adhere to the cylindrical surface of the first cylinder; Each of the optical components is equipped with two first pressing blocks (4) respectively arranged on both sides of the optical component to clamp the first cylinder of the optical component; The middle portion of the first pressing block (4) is a long through hole, the fastener passes through the long through hole and is then fixed to the surface of the panel (1), and the head of the fastener presses the long through hole to fix the first pressing block (4).

3. The processing jig according to claim 1 or 2, characterized in that: The stopper (6) is provided with a V-shaped opening at one end facing the optical component, for clamping the cylindrical surface of the optical component.

4. The processing jig according to claim 3, characterized in that: It also includes a second pressing block (5); a through hole is provided in the middle of the stop block (6); the second pressing block (5) passes through the through hole and is then fixed to the surface of the panel (1); the head of the second pressing block (5) presses the through hole to fix the stop block (6).

5. The processing jig according to claim 3, characterized in that: The stopper (6) is provided with at least two V-shaped openings spaced apart at one end facing the optical component, and is used for simultaneously clamping a plurality of optical components.

6. The processing jig according to claim 1, characterized in that: The middle of the panel (1) is provided with a plurality of through holes, the middle of the bottom plate (2) is provided with an exhaust groove connected to the through holes, and the side wall of the exhaust groove is provided with an exhaust hole connected to the outside.

7. The processing jig according to claim 1, characterized in that: Auxiliary grooves are respectively designed on both sides of the bottom plate (2), and the auxiliary grooves are used to separate the bottom plate (2) from the panel (1).

8. The processing jig according to claim 6, characterized in that: The exhaust hole is provided with a PS 1 / 4 thread, which is used for manual disassembly with a tool with an external thread.

9. The processing jig according to claim 1, characterized in that: A first through slot in the left-right direction is provided in the middle of the panel (1), and positions on the panel (1) for placing optical components are each provided with a second through slot in the front-back direction, wherein the first through slot is connected to each of the second through slots.

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