CN220854115U - Cylindrical mirror test fixture - Google Patents
Cylindrical mirror test fixture Download PDFInfo
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- CN220854115U CN220854115U CN202322737350.3U CN202322737350U CN220854115U CN 220854115 U CN220854115 U CN 220854115U CN 202322737350 U CN202322737350 U CN 202322737350U CN 220854115 U CN220854115 U CN 220854115U
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- 238000012360 testing method Methods 0.000 title claims abstract description 16
- 230000000694 effects Effects 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000003028 elevating effect Effects 0.000 description 2
- 238000004026 adhesive bonding Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The utility model discloses a cylindrical mirror testing tool which comprises a mounting bottom plate, wherein a reference fixed block and a reference movable block are arranged on the mounting bottom plate, the reference fixed block is fixed on the mounting bottom plate, the reference movable block is arranged on the mounting bottom plate in a sliding mode, a first positioning right-angle groove and a second positioning right-angle groove are respectively formed in the opposite surfaces of the reference fixed block and the reference movable block, the same ends of the reference fixed block and the reference movable block are respectively connected with a reference fixed side plate and a reference movable side plate, locking screws are respectively arranged below the reference fixed side plate and the reference movable side plate, and rubber band pulling screws are respectively arranged above the reference fixed side plate and the reference movable side plate. According to the utility model, no clearance is left between the tested lens and the tool, so that the testing accuracy is improved.
Description
Technical Field
The utility model belongs to the technical field of tools, and particularly relates to a cylindrical mirror testing tool.
Background
When the convex surface of the cylindrical mirror is positioned, two sides are required to be positioned. The existing fixture is generally positioned at two sides, is generally adjusted to the maximum width of the tolerance of the measured lens, and is then placed into the measured lens for measurement. However, once the tool encounters a measured lens with the width at the minimum value of the tolerance, a gap exists between the measured lens and the tool, and the measured lens and the tool are easy to shake, so that the measurement accuracy is affected.
The utility model of China with the application number 202222841816X discloses a cylindrical mirror measuring tool, which comprises a base, the right end of base upper surface is fixed with the support column, the inside of support column is equipped with elevating gear, elevating gear's left end is fixed with measuring device, the upper surface of base is fixed with the auxiliary stand, the inboard of auxiliary stand is equipped with adjusting device, adjusting device includes the screw rod with auxiliary stand front end threaded connection, the rear end rotation of screw rod is connected with the connecting plate, both ends all articulate about the connecting plate and are connected with the pull rod, adjusting device still includes the slide bar with the left and right sides both ends sliding connection of auxiliary stand, two both ends all are fixed with the bracing piece around the slide bar. This frock is measured to cylindrical lens is convenient for adjust the interval between two fixed blocks through being equipped with adjusting device to fix the centre gripping to the cylindrical lens of different size specifications, and reinforcing measuring device improves the suitability of device to cylindrical lens measuring accuracy.
The above-mentioned patent scheme adjusts the interval between two fixed blocks through adjusting device, but this adjustment mode is in fact that two fixed blocks are close to or keep away from through the screw rod drive, and this kind of adjustment mode's shortcoming lies in the interval between two fixed blocks that can not guarantee to adjust to accurate distance and once adjust excessively and cause the harm to the lens easily.
Disclosure of utility model
In order to solve the problems, the utility model provides a cylindrical mirror testing tool which comprises a mounting bottom plate, wherein a reference fixed block and a reference movable block are arranged on the mounting bottom plate, the reference fixed block is fixed on the mounting bottom plate, the reference movable block is slidably arranged on the mounting bottom plate, a first positioning right-angle groove and a second positioning right-angle groove are respectively arranged on the opposite surfaces of the reference fixed block and the reference movable block, the same ends of the reference fixed block and the reference movable block are respectively connected with a reference fixed side plate and a reference movable side plate, locking screws are respectively arranged below the reference fixed side plate and the reference movable side plate, and rubber band pulling screws are respectively arranged above the reference fixed side plate and the reference movable side plate.
Preferably, the device further comprises a width adjusting pin, one end of the width adjusting pin is connected with the reference fixed side plate, the other end of the width adjusting pin penetrates through the reference movable side plate to be arranged, an adjusting pin stop screw is arranged on the reference movable side plate, the adjusting pin stop screw and the width adjusting pin are located on the same plane, and the adjusting pin stop screw and the width adjusting pin are vertically arranged.
Preferably, the two sides above the mounting bottom plate are respectively provided with a linear rail, the bottoms of the two ends of the reference moving block are provided with sliding blocks, and the sliding blocks are arranged on the linear rails in a sliding manner.
Preferably, an upper positioning block is arranged at the top of the reference moving block, and a third positioning right-angle groove is formed between the side surface of the upper positioning block and the top surface of the reference moving block.
Preferably, the width adjusting pin is arranged in parallel with the linear rail.
Preferably, the reference fixed block and the reference movable block are arranged in parallel.
Preferably, the sliding block is of a U-shaped structure, and bolt holes used for being connected with the sliding block are formed in two ends of the reference moving block.
Preferably, the linear rail is connected with the mounting bottom plate through bolts.
Preferably, the top surfaces of the reference fixed block and the reference movable block are flush.
The utility model has the advantages that:
1. In the scheme, the fixed reference fixed block and the sliding reference movable block are matched, so that lenses with different widths and sizes can be fixed. Meanwhile, when the lens is fixed, the flexible fixing method such as rubber bands is adopted, the distance between the two positioning right-angle grooves is adjusted through elasticity, and when the lens is measured, the measured lens and the two positioning right-angle grooves are free from gaps and cannot damage the measured lens, so that the measuring precision of the cylindrical lens during convex surface positioning is ensured.
2. In the scheme, the upper positioning block is arranged at the top of the reference moving block, and when the lens with a large concave chamfer surface is positioned, one side of the lens with a large chamfer angle is measured by leaning against the upper positioning block without switching a new tool.
3. Each part convenient to detach in this scheme, convenient follow-up maintenance and clearance work.
Drawings
Fig. 1 is a perspective view of the structure of the present utility model.
Fig. 2 is a side view of the utility model in position for a conventional lens support.
FIG. 3 is a side view of the present utility model in supporting and positioning a lens with a large concave chamfer.
In the figure: the device comprises a mounting bottom plate 1, a reference fixed block 2, a reference movable block 3, a first positioning right-angle groove 4, a second positioning right-angle groove 5, a reference fixed side plate 6, a reference movable side plate 7, a locking screw 8, a rubber band pulling screw 9, a width adjusting pin 10, an adjusting pin stop screw 11, a linear rail 12, a sliding block 13, an upper positioning block 14, a third positioning right-angle groove 15 and a bolt hole 16.
Detailed Description
The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model.
In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or element to be referred to must have a specific direction, be configured and operated in the specific direction, and thus should not be construed as limiting the present utility model.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "provided," "connected," and the like are to be construed broadly, and may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. Meanwhile, when an element is referred to as being "fixed" or "disposed" on another element, it may be directly on the other element or intervening elements may be present. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or intervening elements may also be present. When an element is referred to as being "fixedly connected to" another element, it can be conventionally connected by welding or bolting or gluing. In summary, it will be understood by those of ordinary skill in the art that the specific meaning of the terms described above in this disclosure is to be understood in a specific sense.
Example 1
As shown in fig. 1-2, a cylindrical mirror testing tool comprises a mounting base plate 1, wherein a reference fixed block 2 and a reference movable block 3 are arranged on the mounting base plate 1, the reference fixed block 2 is fixed on the mounting base plate 1, the reference movable block 3 is slidably arranged on the mounting base plate 1, and the reference movable block 3 can be far away from or close to the reference fixed block 2 in a sliding manner. The reference fixed block 2 and the reference movable block 3 are respectively provided with a first positioning right angle groove 4 and a second positioning right angle groove 5 on opposite sides, and after the first positioning right angle groove 4 and the second positioning right angle groove 5 are gradually close to each other and the distance between the first positioning right angle groove 4 and the second positioning right angle groove 5 reaches a specified distance, the first positioning right angle groove 4 and the second positioning right angle groove 5 can be used for supporting and positioning two sides of the cylindrical mirror.
The two sides above the mounting base plate 1 are provided with linear rails 12, the bottoms of the two ends of the reference moving block 3 are provided with sliding blocks 13, and the sliding blocks 13 are slidably arranged on the linear rails 12. The sliding block 13 has a U-shaped structure, and the concave surface of the sliding block 13 is in sliding contact with the linear rail 12. The reference moving block 3 has bolt holes 16 at both ends for connection with the sliding block 13, and the top of the sliding block 13 is connected with the reference moving block 3 by bolts. A sliding block 13 may be provided at the bottom of the reference block 2 to slidably connect with the linear rail 12, so that the position where the reference block 2 is fixed to the mounting base plate 1 may be changed.
The same one end of the reference fixed block 2 and the reference movable block 3 are respectively connected with a reference fixed side plate 6 and a reference movable side plate 7, locking screws 8 are arranged below the reference fixed side plate 6 and the reference movable side plate 7, the locking screws 8 below the reference fixed side plate 6 and the reference movable side plate 7 are arranged in parallel, friction force between the reference fixed side plate 6 and the mounting bottom plate 1 and between the reference movable side plate 7 and the mounting bottom plate 1 can be increased by rotating the locking screws 8, and accordingly the reference fixed block 2 and the reference movable block 3 are fixed. Or a plurality of locking holes can be formed on the side edge of the mounting bottom plate 1, and when the locking is needed, the locking screw 8 can be penetrated into the locking holes to play a role in fixing. The reference fixed block 2 is fixed on the mounting base plate 1 in advance through the locking screw 8, and meanwhile, the reference movable block 3 is fixed through the corresponding locking screw 8 after moving.
The rubber band screws 9 are arranged above the reference fixed side plate 6 and the reference movable side plate 7, the rubber band screws 9 above the reference fixed side plate 6 and the reference movable side plate 7 are arranged in parallel, rubber bands or tension springs with certain force are pulled on the rubber band screws 9 at two ends, lenses of the cylindrical lens are placed on the first positioning right angle groove 4 and the second positioning right angle groove 5 between the reference fixed block 2 and the reference movable block 3, the elastic force between the rubber bands or tension springs can adjust the gap between the first positioning right angle groove 4 and the second positioning right angle groove 5 and the cylindrical lens according to the width of the cylindrical lens, the gap between the lens and the first positioning right angle groove 4 and the second positioning right angle groove 5 is eliminated, the measured lens and the tool are ensured to shake without gaps after the convex surface of the cylindrical lens is positioned, and the measuring precision can be ensured. Meanwhile, the tested lens cannot be damaged by adopting flexible fixing methods such as rubber bands and the like.
Also included is a width adjustment pin 10, the width adjustment pin 10 being disposed parallel to the linear rail 12. One end of a width adjusting pin 10 is connected with the reference fixed side plate 6, and the other end of the width adjusting pin passes through the reference movable side plate 7. The width adjusting pin 10 can be a telescopic rod piece, the width adjusting pin 10 is composed of an inner rod piece and an outer rod piece, the inner rod piece slides and stretches on the inner side of the outer rod piece, one end of the inner rod piece is connected with the reference fixed side plate 6, the outer rod piece is connected with the reference movable side plate 7, the reference movable side plate 7 can be driven to move through the length of the adjusting rod piece, and the distance between the two positioning right-angle grooves is adjusted. The reference movable side plate 7 is provided with an adjusting pin stop screw 11, the adjusting pin stop screw 11 and the width adjusting pin 10 are positioned on the same plane, the adjusting pin stop screw 11 and the width adjusting pin 10 are vertically arranged, the adjusting pin stop screw 11 is rotated to extend to the inside of the width adjusting pin 10 to be in contact with an inner rod piece to apply pressure so as to increase friction force, and the inner rod piece is limited to slide to play a fixing role. Corresponding lock holes can be formed in the inner rod piece to play a role in fixing, and the distance between the reference fixed side plate 6 and the reference movable side plate 7 can be adjusted through the width adjusting pin 10 in the embodiment, so that the distance between the reference fixed block 2 and the reference movable block 3 is adjusted. After the distance is adjusted through the width adjusting pin 10, the cylindrical mirror lens is placed, after the lens and the positioning right-angle grooves on two sides are free of gaps through elastic force between rubber bands or tension springs, the adjusting pin stop screw 11 and the corresponding locking screw 8 on the reference movable side plate 7 are sequentially locked, and the fixing effect is achieved. The width adjustment pin 10 may also be a single bar, which serves as an auxiliary guide.
Example 2
As shown in fig. 3, this embodiment is further improved on the basis of embodiment 1, and the purpose of this embodiment is to solve the problem that when a lens with a large concave chamfer is positioned, because the chamfer angles at two sides are different in size, when the lens is supported and positioned by the first positioning right angle groove 4 and the second positioning right angle groove 5, because the sizes of the first positioning right angle groove 4 and the second positioning right angle groove 5 are small, the positioning surface at the bottom is small, which can cause that the rest points at the bottoms of two ends of the lens with a large concave chamfer are not at the same height during positioning, and affect the measurement accuracy. For this purpose, an upper positioning block 14 is provided on the top of the reference moving block 3, and a third positioning right angle groove 15 is formed between the side surface of the upper positioning block 14 and the top surface of the reference moving block 3. The reference fixed block 2 and the reference movable block 3 are arranged in parallel, and the top surfaces of the reference fixed block and the reference movable block are flush. When the lens with large concave chamfer surface is positioned, the lens with large concave chamfer surface can be simply positioned by leaning against the third positioning right-angle groove 15. And a new tool does not need to be switched. In order to increase the fixing effect, the same upper positioning block is arranged above the reference fixed block 2, and then the same procedure as in the embodiment 1 is adopted for fixing, so that the fixing effect on the lens with a large concave chamfer surface can be increased.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. A cylindrical mirror test fixture which is characterized in that: including mounting plate (1), be equipped with benchmark fixed block (2) and benchmark movable block (3) on mounting plate (1), benchmark fixed block (2) are fixed in on mounting plate (1), benchmark movable block (3) are slided and are located on mounting plate (1), be equipped with first location right angle groove (4) and second location right angle groove (5) on the opposite one side of benchmark fixed block (2) and benchmark movable block (3) respectively, benchmark fixed block (2) and benchmark movable block (3) the same one end are connected with benchmark fixed side board (6) and benchmark movable side board (7) respectively, benchmark fixed side board (6) and benchmark movable side board (7)'s below all are equipped with locking screw (8), benchmark fixed side board (6) and benchmark movable side board (7)'s top all is equipped with and draws Pi Jin screw (9).
2. The cylindrical mirror testing tool according to claim 1, wherein: the automatic control device is characterized by further comprising a width adjusting pin (10), one end of the width adjusting pin (10) is connected with the reference fixed side plate (6), the other end of the width adjusting pin (10) penetrates through the reference movable side plate (7), an adjusting pin stop screw (11) is arranged on the reference movable side plate (7), the adjusting pin stop screw (11) and the width adjusting pin (10) are located on the same plane, and the adjusting pin stop screw (11) and the width adjusting pin (10) are vertically arranged.
3. The cylindrical mirror testing tool according to claim 2, wherein: the two sides of the upper part of the mounting base plate (1) are respectively provided with a linear rail (12), the bottoms of the two ends of the reference moving block (3) are provided with sliding blocks (13), and the sliding blocks (13) are arranged on the linear rails (12) in a sliding mode.
4. A cylindrical mirror testing tool according to claim 3, wherein: an upper positioning block (14) is arranged at the top of the reference moving block (3), and a third positioning right angle groove (15) is formed between the side surface of the upper positioning block (14) and the top surface of the reference moving block (3).
5. The cylindrical mirror testing tool according to claim 4, wherein: the width adjusting pin (10) is arranged in parallel with the linear rail (12).
6. The cylindrical mirror testing tool according to claim 5, wherein: the reference fixed block (2) and the reference movable block (3) are arranged in parallel.
7. The cylindrical mirror testing tool according to claim 6, wherein: the sliding block (13) is of a U-shaped structure, and bolt holes (16) used for being connected with the sliding block (13) are formed in two ends of the reference moving block (3).
8. The cylindrical mirror testing tool according to claim 7, wherein: the linear rail (12) is connected with the mounting bottom plate (1) through bolts.
9. The cylindrical mirror testing tool according to claim 8, wherein: the top surfaces of the reference fixed block (2) and the reference movable block (3) are flush.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322737350.3U CN220854115U (en) | 2023-10-12 | 2023-10-12 | Cylindrical mirror test fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322737350.3U CN220854115U (en) | 2023-10-12 | 2023-10-12 | Cylindrical mirror test fixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220854115U true CN220854115U (en) | 2024-04-26 |
Family
ID=90748305
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322737350.3U Active CN220854115U (en) | 2023-10-12 | 2023-10-12 | Cylindrical mirror test fixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220854115U (en) |
-
2023
- 2023-10-12 CN CN202322737350.3U patent/CN220854115U/en active Active
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