Positioning device for binocular lens cone machining

Abstract

The utility model relates to a positioning device, belongs to the technical field of binocular lens cone processing, and particularly relates to a positioning device for binocular lens cone processing, which comprises a shell, and the inner wall of one side of the shell is fixedly connected with a hydraulic cylinder; according to the utility model, a motor is started to drive a first bevel gear to rotate, drive two long blocks to move relatively, further drive a limiting clamp on a fixing block to limit and fix a lens cone, and then a hydraulic cylinder is started to drive a connecting block to move, drive a gear to rotate and drive a strip-shaped block to swing at a certain angle. Limiting and fixing of a lens cone during machining are achieved, meanwhile, certain swing can be conducted on the angle, practicability of the device is improved, and the problems that when an existing device conducts machining and positioning on the lens cone, most of the lens cone is directly limited and fixed, angle adjustment on the lens cone is not conducted, and machining precision is poor are solved. And when the device is used, certain limitation exists, and then the machining efficiency of the device is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of binocular lens barrel processing, in particular to a positioning device for binocular lens barrel processing. Background Art

[0002] With the continuous development of society, the demand for binoculars is getting higher and higher, and the functional requirements for binoculars are also getting higher and higher. The application of binoculars involves all aspects of life, and the pupil distance of the binocular tube is a very important component of the binoculars.

[0003] After searching the Chinese patent with publication number CN213069345U, a binocular tube pupil distance adjustment device is disclosed, in which a No. 1 mounting plate is provided on both sides of the left and right sides of the middle of the support rod, a No. 2 mounting plate is provided on one side of the two No. 1 mounting plates, a screw is provided on one side of the two No. 2 mounting plates, and the No. 1 mounting plate and the No. 2 mounting plate are threadedly connected by the screws, the right side wall of the No. 2 mounting plate on the left is connected to the slide groove, and the left side wall of the No. 2 mounting plate on the right is connected to the slider, and the slider is slidably connected to the slide groove, the bottom ends of the two No. 2 mounting plates are both installed with lens barrels, the front ends of the two lens barrels are both installed with objective lenses, and the rear ends of the two lens barrels are both installed with eyepieces.

[0004] Based on the above search and combined with the existing technology, we found that:

[0005] When processing and positioning the lens barrel, most existing devices directly limit and fix the lens barrel without adjusting the angle of the lens barrel. The device has certain limitations when used, thereby reducing the processing efficiency of the device. Utility Model Content

[0006] In order to solve the above technical problems, the utility model proposes a positioning device for binocular lens barrel processing, which starts the motor to drive the first bevel gear to rotate, drives the bidirectional threaded rod on the second bevel gear to rotate, drives the two elongated blocks to move relative to each other, and then drives the limiting clamp on the fixed block to limit and fix the lens barrel, and then starts the hydraulic cylinder to drive the connecting block to move, drives the gear on the rack to rotate, and drives the bar block on the fixed rod to swing at a certain angle.

[0007] The technical solution for achieving the purpose of the utility model is: a positioning device for processing a binocular lens barrel, comprising a housing, a hydraulic cylinder fixedly connected to an inner wall of one side of the housing, an output end of the hydraulic cylinder fixedly connected to a connecting block, a rack fixedly connected to one side of the connecting block, and further comprising;

[0008] a positioning mechanism, the positioning mechanism being located on the housing;

[0009] The positioning mechanism includes a swing unit and a limit unit. The swing unit includes two mounting blocks fixedly connected to the bottom inner wall of the shell. A fixing rod is fixedly connected to the two mounting blocks. One end of the fixing rod is keyed to a gear. The gear and the rack are meshed. A strip block is fixedly connected to the circumferential outer wall of the fixing rod.

[0010] In some embodiments, a sliding groove is formed at the bottom of the housing, a sliding block is slidably connected to the sliding groove, and a rack is fixedly connected to the top of the sliding block.

[0011] In some embodiments, the limiting unit includes a motor fixedly connected to one side of the bar block, the output end of the motor is connected to the first bevel gear through a coupling key, the inner walls on both sides of the bar block are connected to a bidirectional threaded rod for common rotation, the key on the bidirectional threaded rod is connected to the second bevel gear, the first bevel gear and the second bevel gear are meshed, and two elongated blocks are screwed on the bidirectional threaded rod, the tops of the two elongated blocks are fixedly connected to fixed blocks, and the sides of the two fixed blocks close to each other are fixedly connected to the limiting clamp.

[0012] In some embodiments, an elongated hole is provided on the strip block, and the elongated hole is adapted to the elongated block.

[0013] In some embodiments, the inner walls on both sides of the strip block are fixedly connected to a limit rod, and two elongated blocks are slidably sleeved on the circumferential outer wall of the limit rod.

[0014] In some embodiments, the two limiting clamps are made of rubber.

[0015] Compared with the prior art, the present invention has the following significant advantages:

[0016] The utility model places the lens barrel between the two limiting clamps, starts the motor to drive the first bevel gear to rotate, drives the bidirectional threaded rod on the second bevel gear to rotate, drives the two elongated blocks to move relative to each other, and then drives the limiting clamp on the fixed block to limit and fix the lens barrel, and then starts the hydraulic cylinder to drive the connecting block to move, drives the gear on the rack to rotate, and drives the bar block on the fixed rod to swing at a certain angle, thereby realizing the limiting fixation of the lens barrel during processing, and at the same time can swing the angle to a certain extent, so as to improve the practicality of the device;

[0017] The invention solves the problem that most of the existing devices directly limit and fix the lens barrel when processing and positioning the lens barrel, and do not adjust the angle of the lens barrel. The device has certain limitations when used, thereby reducing the processing efficiency of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The present invention will be further explained below with reference to the accompanying drawings and embodiments:

[0019] Figure 1 This is a schematic diagram of the overall three-dimensional structure provided in one embodiment of the present invention;

[0020] Figure 2 This is a schematic diagram of the overall cross-sectional three-dimensional structure provided in one embodiment of the present invention;

[0021] Figure 3 The utility model provides in one embodiment Figure 2 A in the middle is an enlarged schematic diagram of the three-dimensional structure.

[0022] Description of reference numerals:

[0023] 1. Housing; 2. Hydraulic cylinder; 3. Connecting block; 4. Sliding groove; 5. Sliding block; 6. Rack; 7. Mounting block; 8. Fixing rod; 9. Gear; 10. Bar block; 11. Motor; 12. First bevel gear; 13. Bidirectional threaded rod; 14. Second bevel gear; 15. Elongated block; 16. Fixing block; 17. Limiting fixture; 18. Elongated hole; 19. Limiting rod. DETAILED DESCRIPTION

[0024] The following is a detailed description of the present invention, clearly and completely describing the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only a part of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0025] The utility model provides a positioning device for binocular lens barrel processing through improvement. The technical solution of the utility model is:

[0026] like Figure 1-Figure 3 As shown, a positioning device for binocular lens barrel processing includes a shell 1, and the shell 1 and the hydraulic cylinder 2 are preferably fixed by bolts to facilitate disassembly during maintenance. The inner wall of one side of the shell 1 is fixedly connected to the hydraulic cylinder 2, and the output end of the hydraulic cylinder 2 is fixedly connected to the connecting block 3, and one side of the connecting block 3 is fixedly connected to the rack 6. It also includes: a positioning mechanism, which is located on the shell 1; the positioning mechanism includes a swing unit and a limit unit, and the swing unit includes two mounting blocks 7 fixedly connected to the bottom inner wall of the shell 1, and the two mounting blocks 7 are commonly fixedly connected to a fixing rod 8, one end of the fixing rod 8 is keyed to a gear 9, and the gear 9 is meshed with the rack 6. A strip block 10 is fixedly connected to the circumferential outer wall of the fixing rod 8; through the setting of the swing unit, the strip block 10 is swung.

[0027] like Figure 2As shown, in one embodiment, a sliding groove 4 is provided at the bottom of the housing 1, a sliding block 5 is slidably connected to the sliding groove 4, and a rack 6 is fixedly connected to the top of the sliding block 5; by setting the sliding groove 4 and the sliding block 5, the stability of the rack 6 when moving is improved.

[0028] like Figure 1 and Figure 3 As shown, in one embodiment, the bar block 10 and the motor 11 are preferably fixed by bolts, which is convenient for disassembly during maintenance. The limiting unit includes a motor 11 fixedly connected to one side of the bar block 10, and the output end of the motor 11 is connected to the first bevel gear 12 through a coupling key. The inner walls on both sides of the bar block 10 are connected to a bidirectional threaded rod 13 for common rotation, and a second bevel gear 14 is keyed on the bidirectional threaded rod 13. The first bevel gear 12 and the second bevel gear 14 are meshed with each other. Two elongated blocks 15 are screwed on the bidirectional threaded rod 13, and the tops of the two elongated blocks 15 are fixedly connected to a fixing block 16. The sides of the two fixing blocks 16 that are close to each other are fixedly connected to a limiting clamp 17. Through the setting of the limiting unit, the lens barrel is limited and fixed, which facilitates the next step of processing of the lens barrel.

[0029] like Figure 3 As shown, in one embodiment, an elongated hole 18 is provided on the bar block 10 , and the elongated hole 18 is adapted to the elongated block 15 ; the elongated hole 18 is provided to enable the elongated block 15 to be moved.

[0030] like Figure 3 As shown, in one embodiment, the inner walls on both sides of the strip block 10 are fixedly connected to a limiting rod 19, and two elongated blocks 15 are slidably sleeved on the circumferential outer wall of the limiting rod 19; through the setting of the limiting rod 19, the stability of the elongated block 15 during movement is improved.

[0031] like Figure 3 As shown, in one embodiment, the two limiting clamps 17 are made of rubber material. By setting the rubber material, the surface of the lens barrel is protected when the lens barrel is limited and fixed.

[0032] The specific working method is: when in use, place the lens barrel in the middle of the two limit clamps 17, start the motor 11 to drive the first bevel gear 12 to rotate, drive the bidirectional threaded rod 13 on the second bevel gear 14 to rotate, drive the two elongated blocks 15 to move relative to each other, and then drive the limit clamp 17 on the fixed block 16 to limit and fix the lens barrel, then start the hydraulic cylinder 2 to drive the connecting block 3 to move, drive the gear 9 on the rack 6 to rotate, and drive the strip block 10 on the fixed rod 8 to swing at a certain angle, thereby realizing the limit fixation of the lens barrel during processing, and at the same time, the angle can be swung to a certain extent, so as to improve the practicality of the device.

[0033] The technical means disclosed in the present invention are not limited to the technical means disclosed in the above technical means, but also include technical solutions composed of equivalent replacements of the above technical features. Matters not covered in the present invention belong to the common knowledge of those skilled in the art.

Claims

1. A positioning device for processing a binocular lens barrel, comprising a housing (1), a hydraulic cylinder (2) fixedly connected to an inner wall of one side of the housing (1), a connecting block (3) fixedly connected to an output end of the hydraulic cylinder (2), and a rack (6) fixedly connected to one side of the connecting block (3), characterized in that: Also includes; A positioning mechanism, the positioning mechanism being located on the housing (1); The positioning mechanism comprises a swing unit and a limit unit. The swing unit comprises two mounting blocks (7) fixedly connected to the bottom inner wall of the housing (1). A fixing rod (8) is fixedly connected to the two mounting blocks (7). One end of the fixing rod (8) is key-connected to a gear (9). The gear (9) and the rack (6) are meshed. A strip block (10) is fixedly connected to the circumferential outer wall of the fixing rod (8).

2. A positioning device for processing a binocular lens barrel according to claim 1, characterized in that: The bottom of the housing (1) is provided with a sliding groove (4), a sliding block (5) is slidably connected to the sliding groove (4), and a rack (6) is fixedly connected to the top of the sliding block (5).

3. A positioning device for processing a binocular lens barrel according to claim 1, characterized in that: The limiting unit comprises a motor (11) fixedly connected to one side of the bar block (10); the output end of the motor (11) is connected to a first bevel gear (12) via a coupling key; the inner walls on both sides of the bar block (10) are connected to a bidirectional threaded rod (13) for common rotation; the bidirectional threaded rod (13) is key-connected to a second bevel gear (14); the first bevel gear (12) and the second bevel gear (14) are meshed; two elongated blocks (15) are screwed onto the bidirectional threaded rod (13); the tops of the two elongated blocks (15) are fixedly connected to a fixed block (16); and the sides of the two fixed blocks (16) that are close to each other are fixedly connected to a limiting clamp (17).

4. A positioning device for processing a binocular lens barrel according to claim 1, characterized in that: The strip block (10) is provided with an elongated hole (18), and the elongated hole (18) is adapted to the elongated block (15).

5. A positioning device for processing a binocular lens barrel according to claim 1, characterized in that: The inner walls on both sides of the strip block (10) are fixedly connected to a limiting rod (19), and two elongated blocks (15) are slidably sleeved on the circumferential outer wall of the limiting rod (19).

6. A positioning device for processing a binocular lens barrel according to claim 3, characterized in that: The two limiting clamps (17) are made of rubber material.

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