Falling-preventing fixing device for flatness detection of optical filter

Abstract

The utility model discloses an anti-falling fixing device for flatness detection of an optical filter. The anti-falling fixing device comprises a workbench used for installation and a bidirectional threaded rod fixedly installed in the lower end of the workbench. The device further comprises a handle, the interior of the handle is fixedly connected with the right end of the two-way threaded rod, a first supporting block and a second supporting block are arranged at the outer end of the two-way threaded rod, the second supporting block is located on the left side of the first supporting block, and clamping blocks and first springs are arranged at the upper end of the second supporting block and the upper end of the first supporting block correspondingly. The first springs are located on the outer sides of the clamping blocks. The first telescopic rods are arranged on the left side and the right side of the middle of the workbench, and fixing blocks are fixed to the upper ends of the first telescopic rods. According to the fixing device for detecting the flatness of the optical filter capable of avoiding falling, the clamping distance can be conveniently adjusted according to the size of the optical filter, the clamping arms can be conveniently positioned, the loosening phenomenon is avoided, and the falling phenomenon of the other side of the optical filter during disassembly detection is conveniently avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of fixing devices for detecting the flatness of optical filters, in particular to a fixing device for detecting the flatness of optical filters which can prevent the optical filters from falling. Background Art

[0002] Before the manufactured filter is put into use, its surface flatness needs to be tested to ensure the quality of the filter. The currently commonly used flatness detection device has poor adaptability to filters of different sizes, and the attachments on the filter surface cannot be removed before detection. During detection, the interference is strong, which can easily lead to high fault tolerance and inaccuracy of the test results. At the same time, the test will also drop. Therefore, a detection device that can fix it to prevent it from falling is designed.

[0003] Announcement No. CN 216348425 U provides a filter surface flatness high-efficiency detection device with a fitting and wiping function, including a shell, which is the main body of the device, a laser measuring instrument is installed on the upper side of one side of the shell, a slide rail is provided on the lower surface of the shell, a slider is provided inside the slide rail, a mounting plate is installed on the upper surface of the slider, a gear is provided below the mounting plate, springs are connected to both sides of the mounting plate, the mounting groove is provided on one side of the inner wall of the shell, a pull rod is connected to both sides of the mounting groove, the other end of the pull rod is installed on both sides of the lower end of the blowing pipe, the seepage pipe is provided on one side of the inner wall of the shell, and a wiping head is connected to the top of the seepage pipe. The filter surface flatness high-efficiency detection device with a fitting and wiping function can adapt to filters of different sizes and has a wiping function to prevent inaccurate detection results.

[0004] The above-mentioned prior art solutions have the following defects: it is not convenient to adjust the clamping distance according to the size of the filter, it is not convenient to position the clamping arm, it is impossible to avoid loosening, and it is not convenient to avoid the other side from falling off during disassembly and inspection. Therefore, the utility model provides a fixing device for detecting the flatness of the filter that can prevent it from falling, so as to solve the above-mentioned problems. Utility Model Content

[0005] The utility model aims to provide a fixing device for detecting the flatness of a filter which can prevent it from falling, so as to solve the problems in the above-mentioned background technology that it is inconvenient to adjust the clamping distance according to the size of the filter, it is inconvenient to position the clamping arm, it is impossible to avoid loosening, and it is inconvenient to avoid falling of the other side when disassembling for detection.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a fixing device for detecting the flatness of a filter to prevent it from falling, comprising a workbench for installation, a bidirectional threaded rod fixedly installed inside the lower end of the workbench;

[0007] It also includes: a handle, the interior of the handle is fixedly connected to the right end of the bidirectional threaded rod, and the outer end of the bidirectional threaded rod is provided with a first support block and a second support block, and the second support block is located on the left side of the first support block, and the upper ends of the second support block and the first support block are both provided with a clamping block and a first spring, and the first spring is located on the outer side of the clamping block;

[0008] A first telescopic rod is arranged on the left and right sides of the middle part of the workbench, a fixing block is fixed on the upper end of the first telescopic rod, and a gear is installed inside the fixing block, a connecting rod is arranged inside the gear, and a slot is arranged at the outer end of the connecting rod, a steel ball is arranged inside the slot, and the upper and lower ends of the steel ball are connected to a second spring, a clamping arm is arranged on the right end of the connecting rod, racks are arranged on the left and right sides of the upper end of the workbench, and the rear end of the rack is connected to the second telescopic rod, and a detector is arranged in the middle of the upper end of the workbench.

[0009] Preferably, the outer end of the bidirectional threaded rod is connected to the first support block by means of threads, and the outer end of the bidirectional threaded rod is connected to the first support block by means of threads.

[0010] Preferably, the clamping block forms a sliding structure at the upper end of the first supporting block, and the clamping block and the first spring are symmetrically arranged about the center line of the first supporting block.

[0011] Preferably, the connecting rod forms a sliding structure inside the gear, and slots are arranged at equal intervals on the outside of the connecting rod.

[0012] Preferably, the interior of the slot is connected to the steel ball in a snap-fitting manner, and the steel ball forms a sliding structure inside the gear.

[0013] Preferably, the outer side of the steel ball is arranged in a fit state with the second spring, and the steel ball and the second spring are arranged symmetrically about the center line of the gear.

[0014] Compared with the prior art, the utility model has the following beneficial effects: the filter flatness detection fixing device that prevents falling is convenient for adjusting the clamping distance according to the size of the filter, convenient for positioning the clamping arm, avoiding looseness, and convenient for avoiding the phenomenon of falling on the other side during disassembly detection;

[0015] 1. A bidirectional threaded rod, a first support block and a connecting rod are provided. When the filter needs to be clamped and fixed in position, the filter is placed in the middle of the lower end of the workbench, and the handle is held to drive the bidirectional threaded rod to rotate. The bidirectional threaded rod drives the first support block and the second support block to move toward the middle during the rotation process, and the connecting rod drives the clamping arm to fit with the outer end of the filter through the movement of the first support block and the second support block, so as to clamp and fix the filter, so as to adjust the clamping distance according to the size of the filter;

[0016] 2. A clamping block, a connecting rod and a clamping slot are provided. When the first support block and the second support block are moving, the clamping distance needs to be adjusted according to the size of the filter. The connecting rod slides inside the gear. When the gear slides to a certain position, the steel ball is engaged with the inside of the clamping slot to fix the connecting rod, which is convenient for positioning the clamping arm to avoid looseness.

[0017] 3. A gear, a rack and a second telescopic rod are provided. After one side of the filter is inspected, in order to avoid disassembly for flipping over inspection by the staff, the first telescopic rod is started to drive the fixed block to move upward. When the fixed block moves to a certain position, the upper end of the gear engages with the lower end of the rack, and the second telescopic rod is started to drive the rack to slide forward. When the rack moves, it drives the gear to rotate, and the gear drives the connecting rod to flip at the same time, that is, the filter can be flipped over for inspection, so as to avoid the phenomenon of the other side falling off during disassembly inspection. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the front cross-sectional structure of the utility model;

[0019] Figure 2 This is a schematic diagram of the cross-sectional structure of the utility model from top view;

[0020] Figure 3 For this utility model Figure 1 The enlarged structural diagram at A in the middle;

[0021] Figure 4 For this utility model Figure 2 The enlarged structural diagram at B in the middle;

[0022] Figure 5 It is a schematic diagram of the connection structure between the rack and the second telescopic rod of the utility model.

[0023] In the figure: 1. workbench; 2. bidirectional threaded rod; 3. handle; 4. first support block; 5. second support block; 6. clamping block; 7. first spring; 8. first telescopic rod; 9. fixing block; 10. gear; 11. connecting rod; 12. clamping slot; 13. steel ball; 14. second spring; 15. clamping arm; 16. rack; 17. second telescopic rod; 18. detector. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in 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.

[0025] See also Figure 1-5 The utility model provides a technical solution: a fixing device for detecting the flatness of a filter to prevent it from falling, comprising a workbench 1, a bidirectional threaded rod 2, a handle 3, a first support block 4, a second support block 5, a clamping block 6, a first spring 7, a first telescopic rod 8, a fixing block 9, a gear 10, a connecting rod 11, a slot 12, a steel ball 13, a second spring 14, a clamping arm 15, a rack 16, a second telescopic rod 17 and a detector 18.

[0026] The inside of the handle 3 is fixedly connected to the right end of the bidirectional threaded rod 2, and the outer end of the bidirectional threaded rod 2 is provided with a first support block 4 and a second support block 5, and the second support block 5 is located on the left side of the first support block 4, and the upper ends of the second support block 5 and the first support block 4 are both provided with a clamping block 6 and a first spring 7, and the first spring 7 is located on the outside of the clamping block 6;

[0027] A first telescopic rod 8 is arranged on the left and right sides of the middle part of the workbench 1, a fixing block 9 is fixed to the upper end of the first telescopic rod 8, and a gear 10 is installed inside the fixing block 9, a connecting rod 11 is arranged inside the gear 10, and a slot 12 is arranged at the outer end of the connecting rod 11, a steel ball 13 is arranged inside the slot 12, and the upper and lower ends of the steel ball 13 are connected to a second spring 14, a clamping arm 15 is arranged at the right end of the connecting rod 11, racks 16 are arranged on the left and right sides of the upper end of the workbench 1, and the rear end of the rack 16 is connected to the second telescopic rod 17, and a detector 18 is arranged in the middle of the upper end of the workbench 1.

[0028] like Figure 1 and Figure 4 As shown, the outer end of the bidirectional threaded rod 2 is connected to the first support block 4 by means of threads, and the outer end of the bidirectional threaded rod 2 is connected to the first support block 4 by means of threads, and the clamping block 6 forms a sliding structure at the upper end of the first support block 4, and the clamping block 6 and the first spring 7 are symmetrically arranged about the center line of the first support block 4, so as to facilitate the adjustment of the clamping distance according to the size of the filter.

[0029] like Figure 2 and Figure 3 As shown, the connecting rod 11 forms a sliding structure inside the gear 10, and the outer side of the connecting rod 11 is provided with slots 12 at equal intervals, the inside of the slots 12 is connected to the steel balls 13 in a snap-fit ​​manner, and the steel balls 13 form a sliding structure inside the gear 10, the outer side of the steel balls 13 is arranged in a fitted state with the second spring 14, and the steel balls 13 and the second spring 14 are symmetrically arranged about the center line of the gear 10.

[0030] Working principle: When using the filter flatness detection fixture to prevent it from falling, Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 As shown, first place the filter on the middle of the bottom end of the workbench 1, hold the handle 3 to drive the bidirectional threaded rod 2 to rotate, and the bidirectional threaded rod 2 drives the first support block 4 and the second support block 5 to move toward the middle during the rotation. When the first support block 4 and the second support block 5 are moving, they also drive the connecting rod 11 to slide inside the gear 10. Since the filter sizes are different, the clamping distances of the clamping arms 15 will also be different. Therefore, when the connecting rod 11 slides to the specified position in the gear 10, the steel ball 13 is squeezed and clamped into the inside of the slot 12 by the second spring 14 to fix the position of the connecting rod 11, and the clamping arms 15 clamp the filter. When the sheet is clamped and fixed, its surface can be inspected by lifting and lowering the detector 18. When the upper surface inspection is completed and the lower end needs to be turned over to inspect, the first telescopic rod 8 is started to drive the fixing block 9 to move upward, and the fixing block 9 drives the connecting rod 11 to move away from the inside of the first support block 4 and the second support block 5 during the movement, until the gear 10 is engaged with the lower end of the rack 16, the second telescopic rod 17 is started to drive the rack 16 to slide forward, and the rack 16 drives the connecting rod 11 and the clamping arm 15 to flip through the gear 10, thereby realizing flip detection of the filter. This is the method of using the fixing device for detecting the flatness of the filter to prevent it from falling.

[0031] The standard parts used in the utility model can be purchased from the market, and special-shaped parts can be customized according to the description in the specification and the drawings. The specific connection methods of each part adopt the conventional means such as mature bolts, rivets, welding, etc. in the prior art. The machinery, parts and equipment all adopt the conventional models in the prior art, and the circuit connection adopts the conventional connection method in the prior art, which will not be described in detail here. The content not described in detail in this specification belongs to the prior art known to professional and technical personnel in this field.

[0032] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A fixing device for detecting the flatness of a filter to prevent it from falling, comprising a workbench (1) for installation, and a bidirectional threaded rod (2) fixedly installed inside the lower end of the workbench (1); It is characterized in that Also includes: A handle (3), the interior of the handle (3) being fixedly connected to the right end of the bidirectional threaded rod (2), and the outer end of the bidirectional threaded rod (2) being provided with a first support block (4) and a second support block (5), and the second support block (5) being located on the left side of the first support block (4), and the upper ends of the second support block (5) and the first support block (4) being provided with a clamping block (6) and a first spring (7), and the first spring (7) being located on the outer side of the clamping block (6); A first telescopic rod (8) is arranged on both sides of the middle of the workbench (1); a fixing block (9) is fixed on the upper end of the first telescopic rod (8); a gear (10) is installed inside the fixing block (9); a connecting rod (11) is arranged inside the gear (10); a slot (12) is arranged at the outer end of the connecting rod (11); a steel ball (13) is arranged inside the slot (12); and the upper and lower ends of the steel ball (13) are connected to a second spring (14); a clamping arm (15) is arranged at the right end of the connecting rod (11); racks (16) are arranged on both sides of the upper end of the workbench (1), and the rear end of the rack (16) is connected to the second telescopic rod (17); and a detector (18) is arranged in the middle of the upper end of the workbench (1).

2. The fixing device for detecting the flatness of a filter to prevent it from falling off according to claim 1, characterized in that: The outer end of the bidirectional threaded rod (2) is connected to the first support block (4) in a threaded manner, and the outer end of the bidirectional threaded rod (2) is connected to the first support block (4) in a threaded manner.

3. The fixing device for detecting the flatness of a filter to prevent it from falling according to claim 1, characterized in that: The clamping block (6) forms a sliding structure at the upper end of the first supporting block (4), and the clamping block (6) and the first spring (7) are symmetrically arranged about the center line of the first supporting block (4).

4. The fixing device for detecting the flatness of a filter to prevent it from falling off according to claim 1, characterized in that: The connecting rod (11) forms a sliding structure inside the gear (10), and the outer side of the connecting rod (11) is provided with slots (12) at equal intervals.

5. The fixing device for detecting the flatness of a filter to prevent it from falling according to claim 1, characterized in that: The interior of the clamping groove (12) is connected to the steel ball (13) in a clamping manner, and the steel ball (13) forms a sliding structure inside the gear (10).

6. The fixing device for detecting the flatness of a filter to prevent it from falling according to claim 1, characterized in that: The outer side of the steel ball (13) is arranged in a fitted state with the second spring (14), and the steel ball (13) and the second spring (14) are arranged symmetrically with respect to the center line of the gear (10).

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