An automatic centering adjustment stand

Abstract

The utility model discloses a kind of automatic centering adjusting frame, it includes clamping unit and adjusting unit;Clamping seat in clamping unit is equipped with clamping through-hole, at least three clamping arms are equidistantly distributed and set in clamping through-hole inside, and through elastic driving element, clamping arm is driven to swing, and the clamping of multiple clamping arms is gathered.In clamping circular lens, clamping force is evenly applied from multiple directions, realize quick and accurate clamping, reduce the damage risk of circular lens in clamping process, improve clamping efficiency simultaneously.Adjusting unit cooperates by setting three pushers, can realize the lifting adjustment of circular lens, inclination angle adjustment, and then realize the flexible adjustment of circular lens posture, meet the posture requirement of circular lens in optical experiment.

Description

Technical Field

[0001] This utility model relates to the field of optical experimental system technology, and in particular to an automatic centering adjustment frame. Background Technology

[0002] In the field of optical experimental systems, the precise installation and flexible adjustment of optical components are crucial for ensuring experimental accuracy and achieving the desired optical effects. The construction of an optical experimental system often involves multiple optical components, such as lenses, prisms, and mirrors. Even minute changes in the position and orientation (e.g., tilt angle) of these components can significantly affect the propagation path of light, focusing effect, and image quality. Therefore, during experiments, researchers often need to precisely adjust the position and orientation of optical components according to different experimental requirements.

[0003] Currently, there is a lack of tools on the market that can simultaneously achieve rapid clamping and posture adjustment for circular lenses. Utility Model Content

[0004] In view of this, the present invention proposes an automatic centering adjustment frame, the purpose of which is to realize the rapid clamping and posture adjustment of circular lenses.

[0005] The solution provided by this utility model includes:

[0006] An automatic centering and adjusting frame, comprising:

[0007] Clamping unit and adjustment unit;

[0008] The clamping unit includes a clamping base, clamping arms, and an elastic drive member. The clamping base is provided with a clamping through hole. The clamping arms are provided with at least three clamping arms, which are equidistantly distributed along the circumference inside the clamping through hole. The first end of each clamping arm is provided with a clamping part. The elastic drive member is used to drive the clamping arms to swing so that the clamping parts of the multiple clamping arms are brought together.

[0009] The adjustment unit includes a base, a first pushing member, a second pushing member, a third pushing member, and a tension spring; the first pushing member, the second pushing member, and the third pushing member are all movably disposed on the base along their own axes, and the tension spring is disposed between the base and the clamping seat and provides a pulling force to bring the two closer to each other, so that the ends of the first pushing member, the second pushing member, and the third pushing member all abut against the clamping seat;

[0010] The first and second jacking members are distributed along a first direction, and the second jacking member is distributed along a second direction, with the first and second directions being perpendicular to each other.

[0011] As a further optional solution, the clamping unit also includes a control frame, which is coaxially arranged with the clamping through hole and rotatably mounted on the clamping base;

[0012] The clamping arm is hinged to the control frame by a first pivot pin, and a second pivot pin is provided at the second end of the clamping arm. The first pivot pin is located between the second pivot pin and the clamping part.

[0013] The clamping base is provided with a guide groove for the second shaft pin to slide.

[0014] As a further optional solution, the control frame includes a first turntable and a second turntable, which are respectively disposed on both sides of the clamping base. An inner ring body is fixed on the first turntable, and the inner ring body is detachably connected to the second turntable. The inner ring body is rotatably fitted into the clamping through hole. A clearance groove is formed between the inner ring body and the second turntable for the clamping arm to pass through, and the first shaft pin is fixed in the clearance groove.

[0015] As a further optional solution, the clamping base is provided with a mounting groove located inside the clamping through hole;

[0016] The elastic drive component is a tension spring disposed in the mounting groove. One end of the elastic drive component is connected to the clamping seat, and the other end is connected to the inner ring component.

[0017] As a further optional solution, a first lever is provided on the outer side of the clamping seat, and a second lever is provided on the outer side of the control frame.

[0018] As a further optional solution, the clamping base is provided with a receiving groove located inside the clamping through hole, the receiving groove corresponding one-to-one with the clamping arm, and the guide groove is disposed in the receiving groove; the receiving groove facilitates the insertion of at least part of the clamping arm.

[0019] As a further optional solution, the control frame is provided with a resistance assembly, and the resistance assembly corresponds one-to-one with the clamping arm;

[0020] The resistance assembly includes a steel ball, a spring, and a set screw. The control frame has a channel in the clearance groove. The steel ball, spring, and set screw are sequentially arranged in the channel. The spring pushes the steel ball so that at least a portion of the steel ball enters the clearance groove. The set screw is threaded into the channel.

[0021] When the clamping arm is inserted into the receiving groove, the steel ball blocks one side of the clamping arm to prevent the clamping part of the clamping arm from converging.

[0022] As a further alternative, the ends of the first, second, and third pushers are all spherical.

[0023] As a further optional solution, the first, second, and third pushers are all threadedly connected to the base.

[0024] Compared with the prior art, the automatic centering adjustment frame of this application has at least the following advantages:

[0025] 1. Precise and rapid clamping: In the clamping unit, the clamping base is provided with clamping through holes, and at least three clamping arms are equidistantly distributed along the circumference inside the clamping through holes. An elastic drive component drives the clamping arms to swing, causing the clamping portions of the multiple arms to converge. When clamping circular lenses, clamping force is applied evenly from multiple directions, achieving rapid and precise clamping, reducing the risk of damage to the circular lenses during clamping, and improving clamping efficiency.

[0026] 2. Flexible attitude adjustment: By setting up three pushers (first pusher, second pusher and third pusher) to work together, the circular lens can be raised and lowered and tilted, thereby achieving flexible adjustment of the circular lens attitude and meeting the attitude requirements of the circular lens in optical experiments. Attached Figure Description

[0027] Figure 1 This is a schematic diagram of the structure of an automatic centering adjustment frame according to an embodiment of the present invention;

[0028] Figure 2 This is an exploded view of an automatic centering adjustment frame according to an embodiment of the present invention;

[0029] Figure 3 This is an exploded view of the clamping unit according to an embodiment of the present invention;

[0030] Figure 4 This is a schematic diagram of the clamping unit in the initial state according to an embodiment of the present invention (the second turntable is hidden).

[0031] Figure 5 This is a schematic diagram of the clamping unit in an embodiment of the present invention when it resists the elastic driving member (the second turntable is hidden).

[0032] Figure 6 yes Figure 5 Schematic diagram of the cross section of AA;

[0033] In the diagram: 1. Clamping unit; 11. Clamping base; 111. Clamping through hole; 112. Guide groove; 113. Receiving groove; 114. Mounting groove; 115. First lever; 12. Clamping arm; 121. Clamping part; 13. Elastic drive component; 14. Control frame; 141. First turntable; 142. Second turntable; 143. Inner ring component; 1431. Clearance groove; 1432. Channel; 144. Second lever; 15. First shaft pin; 16. Second shaft pin; 17. Resistance component; 171. Steel ball; 172. Spring; 173. Set screw;

[0034] 2. Adjustment unit; 21. Base; 22. First jacking component; 23. Second jacking component; 24. Third jacking component; 25. Tension spring;

[0035] X, the first direction; Y, the second direction. Detailed Implementation

[0036] The specific embodiments of this utility model will be described in further detail below with reference to the accompanying drawings and examples. The following examples are used to illustrate this utility model, but are not intended to limit its scope.

[0037] In the description of this utility model, it should be understood that the terms "upper", "lower", "front", "rear", "vertical", "horizontal", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0038] In this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0039] In this utility model, unless otherwise explicitly specified and limited, "above" or "below" the second feature can mean that the first feature is in direct contact with the second feature, or that the first feature is in indirect contact through an intermediate medium. Furthermore, "above," "on top of," and "over" the second feature can mean that the first feature is directly above or diagonally above the second feature, or simply that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature can mean that the first feature is directly below or diagonally below the second feature, or simply that the first feature is at a lower horizontal level than the second feature.

[0040] refer to Figure 1-6 An embodiment of the present invention shows an automatic centering adjustment frame, including a clamping unit 1 and an adjustment unit 2;

[0041] The clamping unit 1 includes a clamping base 11, clamping arms 12, and an elastic drive member 13. The clamping base 11 is provided with a clamping through hole 111. At least three clamping arms 12 are provided, and the clamping arms 12 are equidistantly distributed along the circumference inside the clamping through hole 111. The first end of each clamping arm 12 is provided with a clamping part 121. The elastic drive member 13 is used to drive the clamping arms 12 to swing so that the clamping parts 121 of the multiple clamping arms 12 converge.

[0042] The adjustment unit 2 includes a base 21, a first pushing member 22, a second pushing member 23, a third pushing member 24, and a tension spring 25; the first pushing member 22, the second pushing member 23, and the third pushing member 24 are all movably disposed on the base 21 along their own axes, and the tension spring 25 is disposed between the base 21 and the clamping seat 11 and provides a pulling force to bring the two closer to each other, so that the ends of the first pushing member 22, the second pushing member 23, and the third pushing member 24 all abut against the clamping seat 11;

[0043] The first pushing member 22 and the second pushing member 23 are distributed along the first direction X, and the second pushing member 23 is distributed along the second direction Y. The first direction X and the second direction Y are perpendicular to each other.

[0044] Specifically, when clamping a circular lens, the clamping arm 12 can be pushed to resist the elastic force of the elastic drive member 13, so that the clamping parts 121 of the multiple clamping arms 12 move away from each other until the space between the multiple clamping parts 121 is sufficient to accommodate the circular lens; after the clamping arm 12 is released, the elastic drive member 13 drives the clamping parts 121 of the multiple clamping arms 12 to converge, and the multiple clamping parts 121 are evenly clamped on the outer periphery of the circular lens, thereby realizing the clamping and fixing of the circular lens.

[0045] When it is necessary to adjust the posture of a round lens, such as Figure 1 and Figure 2As shown, if all three pushers (first pusher 22, second pusher 23, and third pusher 24) are moved axially in the same direction, the clamping base 11 can be raised or lowered relative to the base 21, thereby achieving the raising or lowering of the circular lens. If only the first pusher 22 is moved axially, the clamping base 11 will rotate around the line connecting the end of the second pusher 23 and the end of the third pusher 24, thereby achieving the adjustment of the tilt angle of the circular lens in the first direction X. Similarly, if only the third pusher 24 is moved, the clamping base 11 will rotate around the line connecting the end of the second pusher 23 and the end of the first pusher 22, thereby achieving the adjustment of the tilt angle of the circular lens in the second direction Y.

[0046] Thus, the automatic centering and adjusting frame can achieve precise and rapid clamping of circular lenses and flexible posture adjustment.

[0047] In some embodiments, to further facilitate the operation of opening the clamp arm 12 and inserting the circular lens, such as... Figures 3 to 5 As shown, the clamping unit 1 further includes a control frame 14, which is coaxially arranged with the clamping through hole 111 and rotatably mounted on the clamping base 11; the clamping arm 12 is hinged to the control frame 14 by a first shaft pin 15, and a second shaft pin 16 is provided at the second end of the clamping arm 12, with the first shaft pin 15 located between the second shaft pin 16 and the clamping part 121; the clamping base 11 is provided with a guide groove 112 for the second shaft pin 16 to slide.

[0048] When the control frame 14 is rotated, the control frame 14 will drive the middle part of the clamping arm 12 to move via the first shaft pin 15 (the middle part refers to the position between the first end and the second end of the clamping arm 12). Since the second shaft pin 16 at the second end of the clamping arm 12 is set in the guide groove 112, the clamping arm 12 will swing along the pre-made trajectory; such as Figure 5 As shown, when the clamping arm 12 is opened, it will close inside the clamping through hole 111 to expose enough space to install the circular lens. In this embodiment, by setting the control frame 14, the synchronous movement of multiple clamping arms 12 can be realized, which facilitates quick operation.

[0049] In some embodiments, for ease of assembly, such as Figures 3 to 5As shown, the control frame 14 includes a first turntable 141 and a second turntable 142, which are respectively disposed on both sides of the clamping base 11. An inner ring is fixed on the first turntable 141, and the inner ring is detachably connected to the second turntable 142. The inner ring is rotatably fitted into the clamping through hole 111. A clearance groove 1431 is formed between the inner ring and the second turntable 142 for the clamping arm 12 to pass through, and the first shaft pin 15 is fixed in the clearance groove 1431. The first turntable 141 and the second turntable 142 can be bolted together.

[0050] In some embodiments, for ease of setting the elastic drive element 13, such as Figure 4 As shown, the clamping base 11 is provided with a mounting groove 114 located inside the clamping through hole 111; the elastic driving member 13 is a tension spring disposed in the mounting groove 114, one end of the elastic driving member 13 is connected to the clamping base 11, and the other end is connected to the inner ring member 143.

[0051] In some embodiments, to facilitate the rotation of the control frame 14, such as Figures 3 to 5 As shown, a first lever 115 is provided on the outer side of the clamping base 11, and a second lever 144 is provided on the outer side of the control frame 14. The first lever 115 and the second lever 144 can be clamped with two fingers to bring them closer together, thereby resisting the pulling force provided by the elastic drive member 13 and causing the multiple clamping arms 12 to open.

[0052] In some embodiments, to further improve the space utilization between the plurality of clamping arms 12, such as Figures 3 to 5 As shown, the clamping base 11 has a receiving groove 113 located inside the clamping through hole 111. The receiving groove 113 corresponds one-to-one with the clamping arm 12, and the guide groove 112 is disposed in the receiving groove 113. The receiving groove 113 facilitates the insertion of at least a portion of the clamping arm 12. In this way, the space between the multiple clamping arms 12 is maximized to accommodate more sizes of circular lenses.

[0053] In some embodiments, for ease of operation, such as Figure 5 and Figure 6As shown, the control frame 14 is provided with a resistance assembly 17, which corresponds one-to-one with the clamping arm 12. The resistance assembly 17 includes a steel ball 171, a spring 172, and a set screw 173. A channel 1432 is opened on the clearance groove 1431 of the control frame 14. The steel ball 171, spring 172, and set screw 173 are sequentially arranged in the channel 1432. The spring 172 pushes the steel ball 171 so that at least a part of the steel ball 171 enters the clearance groove 1431. The set screw 173 is threaded into the channel 1432. When the clamping arm 12 is embedded in the receiving groove 113, the steel ball 171 blocks one side of the clamping arm 12 to prevent the clamping part 121 of the clamping arm 12 from converging.

[0054] The position of the set screw 173 within the channel 1432 can be adjusted, thereby adjusting the pushing force of the spring 172 on the steel ball 171, and ultimately adjusting the blocking force of the steel ball 171 on the clamping arm 12.

[0055] In application, the resistance force of the steel ball 171 can be adjusted to be less than the driving force provided by the elastic drive member 13. When the operator clamps the first lever 115 and the second lever 144 to open the clamping arm 12, after the clamping arm 12 is opened to its maximum extent, the resistance component 17 provides a certain degree of resistance to the clamping arm 12. This reduces the force required for the operator to keep the first lever 115 and the second lever 144 close together, meaning that there is no need to exert effort to keep the clamping arm 12 open, making it easier for the other hand to insert the device. Operation of the circular lens: When the first lever 115 and the second lever 144 are released, since the blocking force of the steel ball 171 is less than the driving force provided by the elastic drive member 13, the clamping arm 12 will squeeze the steel ball 171 into the channel 1432, and the clamping part 121 of the clamping arm 12 can gather and clamp the circular lens; wherein, even if the steel ball 171 retracts into the channel 1432 and abuts against the bottom of the clamping arm 12, it will not affect the clamping force of the clamping arm 12, and will not affect the stability of clamping the circular lens.

[0056] Alternatively, the blocking force of the steel ball 171 can be adjusted to be greater than the driving force provided by the elastic drive member 13; thus, when the resistance assembly 17 blocks the clamping arm 12, even if the first lever 115 and the second lever 144 are released, the clamping arm 12 cannot pass over the steel ball 171, keeping the clamping arm 12 open. Figure 5 The state shown.

[0057] In some embodiments, these are located at the three moving pushers, such as Figure 2 As shown, the first pusher 22, the second pusher 23 and the third pusher 24 are all threadedly connected to the base 21.

[0058] Furthermore, to facilitate relative rotation between the pusher and the clamping base 11, so as to achieve tilting; such as Figure 2 As shown, the ends of the first pusher 22, the second pusher 23 and the third pusher 24 are all spherical.

[0059] In the above embodiments, the descriptions of each embodiment have different focuses. For parts not described in detail in a certain embodiment, please refer to the relevant descriptions in other embodiments.

[0060] The above description is only a preferred embodiment of the present utility model. It should be noted that for those skilled in the art, several improvements and substitutions can be made without departing from the technical principles of the present utility model, and these improvements and substitutions should also be considered within the protection scope of the present utility model.

Claims

1. An automatic centering adjustment frame, characterized in that, include: Clamping unit and adjustment unit; The clamping unit includes a clamping base, clamping arms, and an elastic drive member. The clamping base is provided with a clamping through hole. The clamping arms are provided with at least three clamping arms, which are equidistantly distributed along the circumference inside the clamping through hole. The first end of each clamping arm is provided with a clamping part. The elastic drive member is used to drive the clamping arms to swing so that the clamping parts of the multiple clamping arms are brought together. The adjustment unit includes a base, a first pushing member, a second pushing member, a third pushing member, and a tension spring; the first pushing member, the second pushing member, and the third pushing member are all movably disposed on the base along their own axes, and the tension spring is disposed between the base and the clamping seat and provides a pulling force to bring the two closer to each other, so that the ends of the first pushing member, the second pushing member, and the third pushing member all abut against the clamping seat; The first and second jacking members are distributed along a first direction, and the second jacking member is distributed along a second direction, with the first and second directions being perpendicular to each other.

2. The automatic centering adjustment frame according to claim 1, characterized in that: The clamping unit also includes a control frame, which is coaxially arranged with the clamping through hole and rotatably mounted on the clamping base; The clamping arm is hinged to the control frame by a first pivot pin, and a second pivot pin is provided at the second end of the clamping arm. The first pivot pin is located between the second pivot pin and the clamping part. The clamping base is provided with a guide groove for the second shaft pin to slide.

3. The automatic centering adjustment frame according to claim 2, characterized in that: The control frame includes a first turntable and a second turntable, which are respectively disposed on both sides of the clamping base. An inner ring is fixed on the first turntable and is detachably connected to the second turntable. The inner ring is rotatably fitted into the clamping through hole. A clearance groove is formed between the inner ring and the second turntable for the clamping arm to pass through, and the first shaft pin is fixed in the clearance groove.

4. The automatic centering adjustment frame according to claim 3, characterized in that: The clamping base is provided with a mounting groove located inside the clamping through hole; The elastic drive element is a tension spring disposed in the mounting groove. One end of the elastic drive element is connected to the clamping seat, and the other end is connected to the inner ring body.

5. The automatic centering adjustment frame according to claim 3, characterized in that: The clamping seat has a first lever on its outer side, and the control frame has a second lever on its outer side.

6. The automatic centering adjustment frame according to claim 5, characterized in that: The clamping base is provided with a receiving groove located inside the clamping through hole. The receiving groove corresponds one-to-one with the clamping arm, and the guide groove is disposed in the receiving groove. The receiving groove facilitates the insertion of at least a portion of the clamping arm.

7. The automatic centering adjustment frame according to claim 6, characterized in that: The control frame is equipped with resistance components, and each resistance component corresponds to one of the clamping arms. The resistance assembly includes a steel ball, a spring, and a set screw. The control frame has a channel in the clearance groove, and the steel ball, spring, and set screw are sequentially arranged in the channel. The spring pushes the steel ball so that at least a portion of the steel ball enters the clearance groove; the set screw is threaded into the channel. When the clamping arm is inserted into the receiving groove, the steel ball blocks one side of the clamping arm to prevent the clamping part of the clamping arm from converging.

8. The automatic centering adjustment frame according to claim 1, characterized in that: The ends of the first, second, and third pushers are all spherical.

9. The automatic centering adjustment frame according to claim 1, characterized in that: The first, second, and third jacking components are all threadedly connected to the base.

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