Combined multi-lens grinding clamp

Abstract

The utility model discloses a combined type multi-lens grinding clamp which comprises a clamp shell, three symmetrically-distributed combined grooves are formed in the upper end of the outer side of the clamp shell, combined bases are installed in the combined grooves, a piston is connected in an inner cavity of the clamp shell in a sliding mode, and the combined type multi-lens grinding clamp further comprises a replacement mechanism. The replacing mechanism comprises arc-shaped sliding grooves, receding grooves and mounting clamping seats, the arc-shaped sliding grooves and the receding grooves are formed in the combined grooves correspondingly, the arc-shaped sliding grooves communicate with the adjacent receding grooves, and the mounting clamping seats are arranged on the outer sides of the combined seats correspondingly. The grinding fixture can be rapidly replaced according to the size of a grinding lens in a corresponding model, the grinding fixture is replaced, the grinding and fixing application range of the device to a camera or a video camera lens is widened, meanwhile, grinding, fixing and discharging of the lens are achieved through the air pressure difference, external tools are not needed, and operation is convenient.

Description

TECHNICAL FIELD

[0001] The utility model relates to a lens processing technical field, concretely to a combined multi-lens grinding fixture. BACKGROUND

[0002] Camera and video camera are two different video shooting devices, camera is mainly used for shooting still picture, and video camera is used for shooting continuous video, and both need to realize image focusing, magnifying, reducing and the like through lens in the shooting process, lens is fixed through grinding fixture in the production process, thereby facilitating subsequent grinding operation of it, in the prior art: the patent with the authorization publication number CN 211966957 U discloses a kind of multi-lens grinding processing device, including fixed base, fixed base is provided with multiple clamping grooves for fixing lens, clamping groove is clamped into fixed tray, lens is clamped and fixed on tray by gasket;It also includes grinding dish for grinding lens, fixed base is provided with threaded connection column for connecting driving shaft, and grinding dish is provided with water inlet hole hollowly penetrating from upper surface to lower surface, and the lower surface of grinding dish is provided with polishing layer for grinding lens;Beneficial effect is: the multi-lens grinding processing device provided by the utility model is provided with multiple clamping grooves for fixing lens, multiple lenses are placed in clamping groove simultaneously, and multiple fixed lenses can be ground simultaneously using grinding dish, with high work efficiency, however, the device is used for fixing the aperture of tray, and the tray and the device are integrated, so that the tray of the device cannot be replaced, so that the device can only grind and fix a certain type of lens, the application range is low, and there is room for improvement, at the same time, the device forcibly inserts lens into tray through gasket, so as to grind and fix lens, after lens grinding is completed, lens side surface is closely combined with tray side wall, so that lens itself and tray are tightly buckled, and external tools are needed to take down, which is more complicated, therefore, we propose a combined multi-lens grinding fixture. UTILITARIAN CONTENT

[0003] The utility model solves the technical problem of overcoming the defects of the prior art, and provides a combined multi-lens grinding fixture, which adopts a combined mode and utilizes elastic clamping to quickly replace the grinding fixture of the corresponding type according to the size of the lens to be ground, thereby improving the grinding and fixing range of the device for camera or video camera lenses, and the device uses air pressure difference to grind and fix the lens and discharge the lens without the need for external tools, which is convenient to operate and can effectively solve the problems in the background art.

[0004] To achieve the above object, the utility model provides the following technical scheme: a combined multi -lens grinding fixture, including the fixture shell, the outside upper end of fixture shell is equipped with three symmetrical distribution combination groove, the inside of combination groove all is installed with combination seat, the piston is connected with the inner chamber of fixture shell in sliding, still include replacement mechanism,

[0005] Replacement mechanism: it includes arc -shaped sliding slot, avoidance groove and installation clamping seat, the inside of combination groove is equipped with arc -shaped sliding slot and avoidance groove respectively, arc -shaped sliding slot all with adjacent avoidance groove is linked, the outside of combination seat all is equipped with installation clamping seat, and installation clamping seat all with adjacent arc -shaped sliding slot and avoidance groove installs cooperation, this device adopts combination mode, utilizes elastic joint, can according to the grinding lens size fast corresponding type of replacement of grinding fixture, through the replacement grinding fixture, improve the grinding fixed application range of device itself to camera or camera lens, and the device utilizes the pressure difference and realizes the grinding fixed and unloading of lens, need not help external tool, convenient operation.

[0006] Further, the replacement mechanism further comprises an arc-shaped telescopic column, a spring and a limiting seat, the limiting seat is respectively connected in sliding to the inside of the arc-shaped sliding slot, the arc-shaped telescopic column and the spring are arranged between the arc-shaped sliding slot and the adjacent limiting seat, the spring is movably sleeved with the outer end of the adjacent arc-shaped telescopic column, the arc centers of the fixed end and the telescopic end of the arc-shaped telescopic column are coincided with the circular groove centers of the adjacent combination grooves, and the limiting seat is installed in cooperation with the adjacent installation clamping seat, so that the installation clamping seat in the combined multi-lens grinding fixture can be automatically rotated and clamped with the arc-shaped sliding slot.

[0007] Further, the upper end of the limiting seat is provided with a guide inclined surface, so that the limiting seat can automatically avoid after being extruded by the installation clamping seat.

[0008] Further, the bottom wall of the combination seat is provided with a sealing rubber ring I, and the bottom of the combination groove is provided with a sealing rubber ring II, so as to improve the contact sealing property between the combination seat and the lens and the contact sealing property between the combination seat and the combination groove in the combined multi-lens grinding fixture.

[0009] Further, the inside upper end of the fixture shell is provided with three evenly distributed through grooves, and the combination grooves are communicated with the inner chamber of the fixture shell through the adjacent through grooves, so that the inner chamber of the fixture shell can act on the combination seat through pressure change.

[0010] Further, the inner chamber bottom wall of the fixture shell is rotatably connected with a stud through a bearing I, the upper end of the stud is threadedly connected with a threaded cylinder, the upper end of the threaded cylinder is fixedly connected with the lower side of the piston, the inner chamber side wall of the fixture shell is rotatably connected with a rotating shaft through a bearing II, the left end of the rotating shaft and the lower end of the stud are provided with bevel gears, the bevel gears are meshedly connected, and the right end of the rotating shaft is provided with a hand wheel, so as to control the position of the piston in the combined multi-lens grinding fixture.

[0011] Further, the telescopic rod is arranged between the bottom wall of the inner cavity of the clamp shell and the lower side of the piston, so that the self-rotation phenomenon of the piston during vertical movement in the combined multi-lens grinding clamp is avoided.

[0012] Compared with the prior art, the combined multi-lens grinding clamp has the following advantages:

[0013] 1. When the combined multi-lens grinding clamp is used, the clamp shell, the combination seat, the arc-shaped sliding groove, the avoidance groove, the arc-shaped telescopic column, the spring, the limiting seat and the mounting clamping seat are combined, the elastic clamping is used, the corresponding type of the grinding clamp can be quickly replaced according to the size of the ground lens, and the grinding and fixing range of the device for the camera or the camera lens is improved by replacing the grinding clamp.

[0014] 2. When the combined multi-lens grinding clamp is used, the through groove, the stud, the threaded cylinder, the piston, the rotating shaft, the bevel gear, the hand wheel and the telescopic rod are used to realize the grinding and fixing of the lens by using the pressure difference, and the external tool is not needed, so that the operation is convenient. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a structural schematic diagram of the utility model;

[0016] Figure 2 It is a local split structural schematic diagram of the utility model;

[0017] Figure 3 It is a sectional structural schematic diagram of the utility model;

[0018] Figure 4 It is a combination seat structural schematic diagram of the utility model;

[0019] Figure 5 It is an enlarged structural schematic diagram of A of the utility model.

[0020] In the drawing: 1 clamp shell, 2 combination seat, 3 replacement mechanism, 31 arc-shaped sliding groove, 32 avoidance groove, 33 arc-shaped telescopic column, 34 spring, 35 limiting seat, 36 mounting clamping seat, 4 sealing rubber ring I, 5 sealing rubber ring II, 6 through groove, 7 stud, 8 threaded cylinder, 9 piston, 10 rotating shaft, 11 bevel gear, 12 hand wheel, 13 telescopic rod. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0022] Please refer to Figures 1-5 The embodiment provides a technical scheme: a combined multi-lens grinding clamp, which comprises a clamp shell 1, three symmetrically distributed combination grooves are formed in the outer side upper end of the clamp shell 1, combination seats 2 are installed in the combination grooves, a piston 9 is slidably connected in the inner cavity of the clamp shell 1, the bottom wall of each combination seat 2 is provided with a sealing rubber ring I 4, the bottom of each combination groove is provided with a sealing rubber ring II 5, three evenly distributed through grooves 6 are formed in the inner cavity upper end of the clamp shell 1, each combination groove is connected with the inner cavity of the clamp shell 1 through adjacent through grooves 6, a stud 7 is rotatably connected to the inner cavity bottom wall of the clamp shell 1 through a bearing I, a threaded cylinder 8 is threadedly connected to the upper end of the stud 7, the upper end of the threaded cylinder 8 is fixedly connected to the lower side of the piston 9, a rotating shaft 10 is rotatably connected to the inner cavity side wall of the clamp shell 1 through a bearing II, a bevel gear 11 is arranged on the left end of the rotating shaft 10 and the lower end of the stud 7, the bevel gears 11 are meshingly connected, a hand wheel 12 is arranged on the right end of the rotating shaft 10, and a telescopic rod 13 is arranged between the inner cavity bottom wall of the clamp shell 1 and the lower side of the piston 9. The sealing rubber ring II 5 reduces the contact gap between the bottom of the combination seat 2 and the bottom of the combination groove, then a lens with a corresponding grinding size is put into the combination seat 2 along the inner wall of the combination seat 2, the bottom of the lens is in contact with the bottom wall of the combination seat 2, after the three lenses are simultaneously installed, the hand wheel 12 is rotated to drive the rotating shaft 10 to rotate, the rotating shaft 10 drives the stud 7 to rotate through the meshing connection between the bevel gears 11, the stud 7 drives the threaded cylinder 8 to drive the piston 9 to slide downward along the inner cavity of the clamp shell 1 through the threaded connection, so that the space above the piston 9 is increased and the air pressure is reduced, so that the lens is ground, adsorbed and fixed by utilizing the air pressure difference, and it is not necessary to perform adhesion fixing. In this process, the telescopic end of the telescopic rod 13 is adaptively telescoped and moved along with the piston 9, so that the rotating phenomenon of the piston 9 when sliding vertically along the inner cavity of the clamp shell 1 is avoided. The sealing rubber ring I 4 reduces the contact gap between the bottom of the lens and the bottom of the combination seat 2, so that the vacuum adsorption and fixing capacity of the device for the ground lens is improved. When the lens after later-stage grinding is removed, the hand wheel 12 is only needed to be reversely rotated to reduce the space above the piston 9, so that the air pressure is greater than the external air pressure, and the lens can be automatically taken out of the combination seat 2 by utilizing the air pressure difference. The device utilizes the air pressure difference to realize grinding, fixing and discharging of the lens without the aid of external tools, and is convenient to operate. The device also comprises a replacement mechanism 3.

[0023] The replacement mechanism 3 comprises an arc-shaped sliding groove 31, an avoidance groove 32 and a mounting clamping seat 36, the arc-shaped sliding groove 31 and the avoidance groove 32 are respectively arranged in the inside of the combined groove, the arc-shaped sliding groove 31 is communicated with the adjacent avoidance groove 32, the outside of the combined seat 2 is provided with the mounting clamping seat 36, the mounting clamping seat 36 is mounted in cooperation with the adjacent arc-shaped sliding groove 31 and avoidance groove 32, the replacement mechanism 3 further comprises an arc-shaped telescopic column 33, a spring 34 and a limiting seat 35, the limiting seat 35 is respectively slidably connected to the inside of the arc-shaped sliding groove 31, the arc-shaped telescopic column 33 and the spring 34 are arranged between the arc-shaped sliding groove 31 and the adjacent limiting seat 35, the spring 34 is movably sleeved with the outer end of the adjacent arc-shaped telescopic column 33, the arc centers of the fixed end and the telescopic end of the arc-shaped telescopic column 33 are coincided with the circular groove center of the adjacent combined groove, the limiting seat 35 is mounted in cooperation with the adjacent mounting clamping seat 36, the upper end of the limiting seat 35 is provided with a guide inclined surface, when the combined multi-lens grinding clamp is used, the staff selects the corresponding type of combined seat 2 according to the size of the lens to be ground, then the staff presses the combined seat 2 into the combined groove, in this process, by adjusting the position of the combined seat 2, the combined seat 2 drives the mounting clamping seat 36 to be inserted into the avoidance groove 32, when the lower end of the mounting clamping seat 36 passes through the avoidance groove 32 and enters the arc-shaped sliding groove 31, at this time, the lower end of the mounting clamping seat 36 is in extrusion contact with the guide inclined surface of the limiting seat 35, the guide inclined surface of the limiting seat 35 is pressed and slides along the arc-shaped sliding groove 31, the telescopic end of the arc-shaped telescopic column 33 and the spring 34 are contracted, when the combined seat 2 is completely pressed into the combined groove, at this time, the lower end of the mounting clamping seat 36 is completely inserted into the arc-shaped sliding groove 31, then the combined seat 2 is released, the mounting clamping seat 36 moves along the arc-shaped sliding groove 31 to the one end of the spring 34 compression reset, so that the lower end of the mounting clamping seat 36 is rotationally clamped with the arc-shaped sliding groove 31, realizing the quick installation and fixation of the combined seat 2, the type replacement operation of the combined seat 2 according to the size of the lens to be ground is convenient in the later period, the device adopts the combined mode, utilizes the elastic clamping, can quickly replace the corresponding type of grinding clamp according to the size of the lens to be ground, by replacing the grinding clamp, the application range of the device itself to the grinding and fixation of the camera or camcorder lens is improved.

[0024] The working principle of the combined multi-lens grinding clamp is as follows: when the combined multi-lens grinding clamp is used, the staff selects the corresponding model of the combined seat 2 according to the size of the lens to be ground, then the staff presses the combined seat 2 into the combined groove, in this process, the position of the combined seat 2 is adjusted, so that the combined seat 2 drives the installation clamping seat 36 to insert into the avoidance groove 32, when the lower end of the installation clamping seat 36 passes through the avoidance groove 32 and enters the arc-shaped sliding groove 31, at this time, the lower end of the installation clamping seat 36 is in extrusion contact with the guide inclined surface of the limiting seat 35, the limiting seat 35 guide inclined surface is pressed, and the limiting seat 35 itself slides along the arc-shaped sliding groove 31, the telescopic end of the arc-shaped telescopic column 33 and the spring 34 are retracted, when the combined seat 2 is completely pressed into the combined groove, at this time, the lower end of the installation clamping seat 36 is completely inserted into the arc-shaped sliding groove 31, then the combined seat 2 is loosened, the compression reset force of the spring 34 makes the installation clamping seat 36 move along the arc-shaped sliding groove 31 to the compression reset end of the spring 34, so that the lower end of the installation clamping seat 36 is rotatably connected with the arc-shaped sliding groove 31, the quick installation and fixation of the combined seat 2 are realized, the model of the combined seat 2 is replaced according to the size of the lens to be ground, the operation is convenient, the contact gap between the bottom of the combined seat 2 and the bottom of the combined groove is reduced through the sealing rubber ring two 5, then the lens with the corresponding grinding size is put into the combined seat 2 along the inner wall of the combined seat 2, the bottom of the lens is in contact with the bottom wall of the combined seat 2, after the installation of the three lenses is completed, the hand wheel 12 is rotated to drive the rotating shaft 10 to rotate, the rotating shaft 10 is connected through the meshing between the bevel gears 11, so that the stud 7 rotates, the stud 7 is connected through threads, so that the threaded barrel 8 drives the piston 9 to slide downward along the inner cavity of the clamp shell 1, so that the space above the piston 9 increases, the air pressure decreases, so that the grinding and adsorption fixation of the lens are realized by using the air pressure difference, and the lens does not need to be adhered and fixed, in this process, the telescopic end of the telescopic rod 13 moves adaptively with the piston 9, so that the rotation phenomenon of the piston 9 is avoided when the piston 9 vertically slides along the inner cavity of the clamp shell 1, the contact gap between the bottom of the lens and the bottom of the combined seat 2 is reduced through the sealing rubber ring one 4, so that the vacuum adsorption and fixation ability of the device to the ground lens is improved, when the lens after grinding is removed, the hand wheel 12 is only needed to be rotated in the opposite direction, so that the space above the piston 9 decreases, the air pressure is greater than the external air pressure, so that the lens can be automatically taken out of the combined seat 2 by using the air pressure difference, the lens is prevented from being ground clockwise by the external grinding device, so that the grinding direction of the external grinding device is the same as the force direction of the spring 34 to the installation clamping seat 36 and the arc-shaped sliding groove 31, so that the spring 34 is prevented from being interfered by the grinding direction of the later grinding device, so that the rotation and clamping loosening phenomenon of the installation clamping seat 36 and the arc-shaped sliding groove 31 is avoided.

[0025] The above merely illustrates the embodiments of the present application, and does not limit the patent scope of the present application, and any equivalent structure or equivalent process transformation, or direct or indirect application in other related technical fields, which are made by using the content of the present application specification and drawings, are also included in the patent protection scope of the present application.

Claims

1. A combined multi-lens grinding clamp, comprising a clamp shell (1), three symmetrical combined grooves are arranged on the outer side upper end of the clamp shell (1), a combined seat (2) is arranged in each combined groove, a piston (9) is slidably connected in the inner cavity of the clamp shell (1), characterized in that: Also include replacement mechanism (3); The replacement mechanism (3) further comprises an arc-shaped telescopic column (33), a spring (34) and a limiting seat (35), the limiting seat (35) is respectively connected to the inside of the arc-shaped sliding groove (31), the arc-shaped sliding groove (31) and the adjacent limiting seat (35) are provided with the arc-shaped telescopic column (33) and the spring (34), the spring (34) is movably sleeved with the outer end of the adjacent arc-shaped telescopic column (33), the arc center of the fixed end and the telescopic end of the arc-shaped telescopic column (33) is coincided with the circular groove center of the adjacent combination groove, the limiting seat (35) is installed with the adjacent mounting clamping seat (36).

2. The modular multi-lens polishing jig of claim 1, wherein: The upper end of the limiting seat (35) is provided with a guide inclined surface.

3. The modular multi-lens polishing jig of claim 2, wherein: The bottom wall of the combination seat (2) is provided with a sealing rubber ring I (4), and the bottom of the combination groove is provided with a sealing rubber ring II (5).

4. The modular multi-lens polishing fixture of claim 1, wherein: The inside upper end of the clamp shell (1) is provided with three evenly distributed through grooves (6), and the combination groove is communicated with the inner cavity of the clamp shell (1) through the adjacent through groove (6).

5. The modular multi-lens polishing fixture of claim 1, wherein: The inner cavity bottom wall of the clamp shell (1) is rotatably connected with a stud (7) through a bearing I, the upper end of the stud (7) is threadedly connected with a threaded cylinder (8), the upper end of the threaded cylinder (8) is fixedly connected with the lower side of a piston (9), the inner cavity side wall of the clamp shell (1) is rotatably connected with a rotating shaft (10) through a bearing II, the left end of the rotating shaft (10) and the lower end of the stud (7) are provided with bevel gears (11), the bevel gears (11) are meshedly connected, and the right end of the rotating shaft (10) is provided with a hand wheel (12).

6. The modular multi-lens polishing fixture of claim 1, wherein: The inner cavity bottom wall of the clamp shell (1) and the lower side of the piston (9) are provided with a telescopic rod (13).

7. The modular multi-lens polishing fixture of claim 1, wherein: ​

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