CN220313153U - Fixing clamp integrated with flexible optical part for adsorbing and fixing adapter plate - Google Patents

Fixing clamp integrated with flexible optical part for adsorbing and fixing adapter plate Download PDF

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Publication number
CN220313153U
CN220313153U CN202321897355.6U CN202321897355U CN220313153U CN 220313153 U CN220313153 U CN 220313153U CN 202321897355 U CN202321897355 U CN 202321897355U CN 220313153 U CN220313153 U CN 220313153U
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China
Prior art keywords
adapter plate
flexible optical
optical part
fixing
flange
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CN202321897355.6U
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Chinese (zh)
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沈亚峰
蒋泉权
徐松
孙士权
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SHANGHAI MODERN ADVANCED ULTRA PRECISION MANUFACTURING CENTER CO LTD
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SHANGHAI MODERN ADVANCED ULTRA PRECISION MANUFACTURING CENTER CO LTD
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Abstract

The present utility model relates to the field of workpiece securing assemblies. The utility model provides a flexible optical part's that integrated adsorption fixed keysets mounting fixture, includes the keysets, and the keysets passes through first screw detachable connection rotation main shaft, has offered the adsorption port that is used for the vacuum gas pocket butt joint of rotation main shaft to switch on the keysets; the fixing flange is used for fixing the flexible optical part, a limiting groove used for being embedded into the flexible optical part is formed in the fixing flange, and the center of the fixing flange is detachably connected with the back of the flexible optical part through a second screw; a sinking groove in butt joint conduction with the adsorption hole is formed in one side of the fixed flange adjacent to the adapter plate; the mounting hole of connecting bolt has still been seted up on the mounting flange, has seted up threaded connection bolt's screw hole on the keysets. The utility model ensures the surface shape of the surface of the optical part fixed by the clamp, and can directly detect the surface shape.

Description

Fixing clamp integrated with flexible optical part for adsorbing and fixing adapter plate
Technical Field
The utility model relates to the field of workpiece fixing assemblies, in particular to a fixing clamp.
Background
In the processing of lightweight optical parts, clamps are often required to fix the optical parts.
The existing light-weight optical part is often in a sheet-shaped structure, is easy to deform and can be called as a flexible optical part.
At present, there are a plurality of different fixing structures for the fixing clamp of the flexible optical part. For example, chinese patent No. CN201710713137.5 mainly describes a method for adsorbing an ultrathin plate optical part by using micro holes (1 μm), which has the disadvantage of requiring the adsorption surface of the part to be flat. This approach is more limiting to part features and is not suitable for heavier weight parts. In addition, because this structure directly negative pressure adsorbs the surface of part, so the negative pressure can exert an influence to the face type of part, so when measuring the face type of part, often need dismantle the part, continue to detect, it is comparatively loaded down with trivial details. The surface type detection on the clamp cannot be directly performed.
The Chinese patent with the patent number of CN201310608496.6 describes a processing method of an ultrathin aluminum sheet, which adopts an adsorption disc (1 mm of an adsorption hole) and a reference plate method for processing, and the reference plate and the part are fixed by a water agent. For flexible and easily-changed parts, larger deformation is easy to cause, and the parts are easy to fly in the processing process.
In summary, there is currently a lack of a fixture that can minimize the amount of deformation of the flexible optical parts.
Disclosure of Invention
The present utility model has been made to solve the above-mentioned at least one technical problem, and provides a fixing jig for a flexible optical part integrated with an adsorption fixing adapter plate.
The technical scheme of the utility model is as follows: the fixing clamp for the flexible optical part is characterized by comprising an adapter plate, wherein the adapter plate is detachably connected with a rotating main shaft through a first screw, and an adsorption hole for conducting butt joint of a vacuum air hole of the rotating main shaft is formed in the adapter plate;
the fixing flange is used for fixing the flexible optical part, a limiting groove used for being embedded into the flexible optical part is formed in the fixing flange, and the center of the fixing flange is detachably connected with the back of the flexible optical part through a second screw;
a sinking groove in butt joint conduction with the adsorption hole is formed in the center of one side, adjacent to the adapter plate, of the fixed flange;
the mounting hole for the sliding connection bolt is further formed in the fixing flange, the mounting hole is located at the periphery of the sinking groove, and the adapter plate is provided with a threaded hole in threaded connection with the bolt.
According to the utility model, the flexible optical part is fixed by the fixed flange, and then the connection between the fixed flange and the rotary main shaft is realized by adopting the adapter plate, so that the vacuum suction negative pressure is prevented from directly acting on the surface of the flexible optical part, the surface shape of the surface of the optical part fixed by the clamp is ensured, namely the actual surface shape, and the surface shape can be directly detected. The surface type change caused by negative pressure adsorption is avoided, and the judgment of the surface type is influenced. The adapter plate can also be directly connected with other products which can be directly adsorbed by negative pressure in a butt joint way. The adapter plate can be directly abutted to the fixed flange, and other products can be adsorbed and connected.
Further preferably, the inner wall of the limit groove is covered with a flexible buffer layer.
Further preferably, a notch in butt joint and conduction with the limiting groove is formed in the fixing flange, and the notch is located at the opposite side of the limiting groove;
and a flexible buffer layer is arranged at the corner of the joint of the notch and the limiting groove.
Further preferably, the flexible buffer layer is silica gel.
Further preferably, the fixed flange is provided with a step hole which is in butt joint and conduction with the sink;
the fixing flange is detachably connected with the optical part through a second screw penetrating through the step hole.
Further preferably, the depth of the sinking groove is 1-2mm, and the diameter of the sinking groove is 2/3 of the outer diameter of the fixing flange.
The beneficial effects are that:
1) The utility model realizes the fixing effect of the optical part, avoids the deformation of the optical part during the fixing and is convenient for the detection of the surface shape.
2) Simple structure and convenient assembly.
3) The fixation of flexible optical parts, such as optical parts of the ultra-thin plate type, can be achieved. The flexible optical component may be an optical component having a aspect ratio greater than 10. The thickness in the aspect ratio is the thickness at the thinnest point.
Drawings
FIG. 1 is a cross-sectional view of an embodiment 1 of the present utility model;
FIG. 2 is a cross-sectional view of an alternative view of embodiment 1 of the present utility model;
FIG. 3 is a cross-sectional view of a connection between a mounting flange and a flexible optical component in accordance with embodiment 1 of the present utility model;
FIG. 4 is a schematic view of the attachment flange of embodiment 1 of the present utility model from another perspective at the attachment of the flexible optical component;
fig. 5 is a schematic structural view of a side of a fixing flange adjacent to an adapter plate in embodiment 1 of the present utility model;
FIG. 6 is a schematic view of the structure of a flexible optical component according to embodiment 1 of the present utility model;
fig. 7 is a schematic structural diagram of an interposer according to embodiment 1 of the present utility model.
In the figure: 1 is a rotary spindle, 2 is an adapter plate, 3 is a fixed flange, 4 is a flexible optical part, and 5 is a flexible buffer layer.
Detailed Description
Referring to fig. 1 to 7, in a specific embodiment 1, a fixing fixture for fixing a flexible optical part integrated with an adsorption fixing adapter plate includes an adapter plate 2, the adapter plate 2 is detachably connected to a rotating spindle 1 through a first screw, and an adsorption hole for butt-joint conduction of a vacuum air hole of the rotating spindle 1 is formed in the adapter plate 2. The first screws are provided with at least three, at least three first screw weeks Xiang Paibu at the periphery of the suction hole.
The device also comprises a fixing flange 3 for fixing the flexible optical part 4, wherein the fixing flange 3 is provided with a limit groove for embedding the flexible optical part 4, and the center of the fixing flange 3 is detachably connected with the back of the flexible optical part 4 through a second screw; a sinking groove which is in butt joint and conduction with the adsorption hole is formed in the center of one side of the fixed flange 3 adjacent to the adapter plate 2. The bottom of the sinking groove passes through the second screw. The fixing flange 3 is also provided with a mounting hole for a connecting bolt, and the adapter plate 2 is provided with a threaded hole for a threaded connecting bolt. The mounting hole is positioned at the periphery of the sinking groove. The mounting hole is a round hole. The mounting hole is a stepped hole. The countersunk head of the bolt head is convenient.
The inner diameters of the vacuum air holes and the adsorption holes are matched and are smaller than the diameter of the sinking groove.
The depth of the sinking groove is 1-2mm, and the diameter of the sinking groove is 2/3 of the outer diameter of the fixed flange.
The inner wall of the limit groove is covered with a flexible buffer layer.
The fixed flange 3 is provided with a notch which is in butt joint and conduction with the limit groove, and the notch is positioned at the opposite side of the limit groove; the corner of the connection of the notch and the limit groove is provided with a flexible buffer layer 5. The flexible buffer layer 5 is silica gel.
The fixed flange 3 is provided with a step hole which is in butt joint and conduction with the sinking groove; the fixing flange 3 is detachably connected with the optical part by means of a second screw passing through the stepped hole. The limit groove is in butt joint and conduction with the sinking groove through the step hole.
According to the utility model, the flexible optical part is fixed by the fixed flange, and then the connection between the fixed flange and the rotary main shaft is realized by adopting the adapter plate, so that the vacuum suction negative pressure is prevented from directly acting on the surface of the flexible optical part, the surface shape of the surface of the optical part fixed by the clamp is ensured, namely the actual surface shape, and the surface shape can be directly detected. The surface type change caused by negative pressure adsorption is avoided, and the judgment of the surface type is influenced. The adapter plate can also be directly connected with other products which can be directly adsorbed by negative pressure in a butt joint way. The adapter plate can be directly abutted to the fixed flange, and other products can be adsorbed and connected.
Working principle:
step one: connecting the adapter flange with the rotary main shaft 1, adjusting the coaxiality of the adapter flange and the rotary main shaft 1 to be within 1 mu m, dynamically balancing the adapter flange to be within 5nm, and polishing and grinding the surface;
step two: the flatness of the surface of the fixed flange 3, which is contacted with the adapter plate 2, is better than 2 mu m, the fixed flange 3 and the adapter plate 2 are locked by bolts, the surface of the fixed flange 3, which is contacted with the part, is polished and polished, and only the surface of the part is contacted with the part;
step three: polishing and grinding the surface of the part to be processed, and detecting the surface shape value of the part in the free state;
step four: removing the fixed flange from the adapter plate, fixing the part on the fixed flange 3 by using a second screw, wherein the second screw is required to be fixed by using a torque wrench, the torque is 1-1.2Nm, and detecting the surface shape value of the fixed part to ensure that the surface deformation RMS is better than 0.03 lambda (lambda=632.8 Nm);
step five: adsorbing the fixed flange 3 with the parts onto the adapter flange, adjusting the coaxiality of the fixed flange and the rotating main shaft 1 to be within 1 mu m, dynamically balancing the fixed flange to be within 5nm, and processing the parts by using bolt protection;
step six: after the processing is finished, the surface type of the part is detected by the fixing flange 3, the surface type is superior to the surface type value of the part in the free state when the part is taken down by the set index, and the surface type value of the part is detected.
The foregoing is merely a preferred embodiment of the present utility model and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the principles of the present utility model, which are intended to be comprehended within the scope of the present utility model.

Claims (6)

1. The fixing clamp for the flexible optical part is characterized by comprising an adapter plate, wherein the adapter plate is detachably connected with a rotating main shaft through a first screw, and an adsorption hole for conducting butt joint of a vacuum air hole of the rotating main shaft is formed in the adapter plate;
the fixing flange is used for fixing the flexible optical part, a limiting groove used for being embedded into the flexible optical part is formed in the fixing flange, and the center of the fixing flange is detachably connected with the back of the flexible optical part through a second screw;
a sinking groove in butt joint conduction with the adsorption hole is formed in the center of one side, adjacent to the adapter plate, of the fixed flange;
the mounting hole for connecting the bolt is further formed in the fixing flange, the mounting hole is located at the periphery of the sinking groove, and the adapter plate is provided with a threaded hole in threaded connection with the bolt.
2. The fixture for attaching a flexible optical component to a stationary adapter plate as defined in claim 1, wherein: the inner wall of the limit groove is covered with a flexible buffer layer.
3. The fixture for attaching a flexible optical component to a stationary adapter plate as defined in claim 1, wherein: a notch in butt joint conduction with the limiting groove is formed in the fixed flange, and the notch is located at the opposite side of the limiting groove;
and a flexible buffer layer is arranged at the corner of the joint of the notch and the limiting groove.
4. The fixture for integrating a flexible optical part for adsorptive fixation of an adapter plate according to claim 2, wherein: the flexible buffer layer is silica gel.
5. The fixture for attaching a flexible optical component to a stationary adapter plate as defined in claim 1, wherein: the fixed flange is provided with a step hole which is in butt joint and conduction with the sink;
the fixing flange is detachably connected with the optical part through a second screw penetrating through the step hole.
6. The fixture for attaching a flexible optical component to a stationary adapter plate as defined in claim 1, wherein: the depth of the sinking groove is 1-2mm, and the diameter of the sinking groove is 2/3 of the outer diameter of the fixing flange.
CN202321897355.6U 2023-07-19 2023-07-19 Fixing clamp integrated with flexible optical part for adsorbing and fixing adapter plate Active CN220313153U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202321897355.6U CN220313153U (en) 2023-07-19 2023-07-19 Fixing clamp integrated with flexible optical part for adsorbing and fixing adapter plate

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202321897355.6U CN220313153U (en) 2023-07-19 2023-07-19 Fixing clamp integrated with flexible optical part for adsorbing and fixing adapter plate

Publications (1)

Publication Number Publication Date
CN220313153U true CN220313153U (en) 2024-01-09

Family

ID=89425696

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202321897355.6U Active CN220313153U (en) 2023-07-19 2023-07-19 Fixing clamp integrated with flexible optical part for adsorbing and fixing adapter plate

Country Status (1)

Country Link
CN (1) CN220313153U (en)

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