CN215986680U

CN215986680U - Positioning device for processing micro prism of microscope

Info

Publication number: CN215986680U
Application number: CN202122000463.6U
Authority: CN
Inventors: 王廷华
Original assignee: Wuhan Zhengke Technology Co ltd
Current assignee: Wuhan Zhengke Technology Co ltd
Priority date: 2021-08-24
Filing date: 2021-08-24
Publication date: 2022-03-08
Anticipated expiration: 2031-08-24

Abstract

The utility model discloses a positioning device for processing a microscope micro prism, which relates to the field of prism processing and comprises a positioning frame, wherein the inner wall of the right side of the positioning frame is movably connected with a right end optical axis of a screw rod through a rolling bearing. According to the positioning device for processing the microscope micro prism, the lead screw, the connecting plates, the slide rod, the connecting rod, the supporting plate and the first two positioning plates are arranged, when the device is used for positioning the prism, a user can rotate the rocker to drive the lead screw to rotate so that the two connecting plates are close to each other, when the two connecting plates are close to each other, the upper positioning plate is driven by the two connecting rods to move towards the first lower positioning plate to position and clamp the prism to be processed between the first two positioning plates, and the problem that the existing positioning device for processing the microscope micro prism cannot position the prisms in different shapes when in use is solved, so that the use limitation is large, and meanwhile, the existing positioning device for processing the microscope micro prism can only position one part of the prism.

Description

Positioning device for processing micro prism of microscope

Technical Field

The utility model relates to a positioning device, in particular to a positioning device for machining a micro prism of a microscope.

Background

The prism is a polyhedron made of transparent materials (such as glass, crystal, etc.), and is widely applied in optical instruments, and the prism can be divided into several kinds according to its properties and uses, for example, a "dispersion prism" which decomposes compound light into spectra in a spectral instrument, a more common "equilateral prism", a so-called "total reflection prism" which changes the proceeding direction of light in a periscope, binocular telescope, etc. to adjust the imaging position, and a rectangular prism is generally used, and a micro prism is also used in a microscope to realize its function.

When the positioning device for processing the microscope micro prism is used at present, some defects and shortcomings exist, and the specific places needing improvement are as follows:

1. the existing positioning device for processing the microscope micro prism can not position prisms in different shapes when in use, so that the use limitation is large;

2. the existing positioning device for processing the micro prism of the microscope can only position one part of the prism, and the positioning device needs to be replaced when the processing positions of the side surface and the end surface of the prism need to be changed.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a positioning device for processing a microscope micro prism, which aims to solve the problems that the existing positioning device for processing the microscope micro prism in the background art can not position prisms in different shapes when in use, so that the use limitation is large, meanwhile, the existing positioning device for processing the microscope micro prism can only position one part of the prism, and the positioning device needs to be replaced when the processing position of the side surface and the end surface of the prism needs to be changed.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a positioner is used in processing of microscope miniature prism, includes the locating rack, locating rack right side inner wall has lead screw right-hand member optical axis through antifriction bearing swing joint, the lead screw left end passes locating rack left surface and fixedly connected with rocker through antifriction bearing, the lead screw is reverse double thread lead screw setting, lead screw threaded connection is two in two screw holes two screw hole two set up respectively in two connecting plates, two all articulated on the connecting plate bottom surface have connecting rod one end, two the connecting rod other end articulates respectively on the side about upside locating plate one, equal fixedly connected with backup pad one end, two on the locating rack left and right sides inner wall the backup pad opposite face is fixed connection respectively on the side about downside locating plate one.

As a preferred technical scheme, a group of through holes II are formed in each of the two positioning plates I, a group of positioning rods are movably connected in each of the two groups of through holes II, and springs are sleeved on the two groups of positioning rods.

As a preferred technical scheme of the utility model, two ends of the upper group of springs are respectively and fixedly connected with the upper group of positioning rods and the upper surface of the upper positioning plate, and two ends of the lower group of springs are respectively and fixedly connected with the lower group of positioning rods and the bottom surface of the lower positioning plate.

As a preferred technical scheme of the utility model, three through holes are formed in the two connecting plates, the two through holes are sleeved on the same slide bar, and the left end and the right end of the slide bar are respectively and fixedly connected to the left inner wall and the right inner wall of the positioning frame.

As a preferable technical scheme of the utility model, through holes I are respectively formed in the left and right side surfaces of the positioning frame, and push rods are movably connected in the two through holes I.

As a preferred technical scheme of the utility model, the opposite ends of the two push rods are respectively movably connected to the opposite sides of the two positioning plates through rolling bearings, and sponge pads are fixedly connected to the opposite sides of the two positioning plates.

As a preferred technical scheme, the two push rods are fixedly connected with fixing plates, threaded holes I are formed in the two fixing plates, and screws are connected with the threaded holes I on the right side in an internal thread mode.

Compared with the prior art, the utility model has the beneficial effects that:

1. the utility model is provided with the lead screw, the connecting plates, the slide bar, the connecting rod, the supporting plate and the first two positioning plates, when the device is used for positioning the prism, a user can rotate the rocker to drive the lead screw to rotate so as to enable the two connecting plates to be close to each other, when the two connecting plates are close to each other, the upper positioning plate is driven to move towards the first lower positioning plate through the two connecting rods so as to position and clamp the prism to be processed between the first two positioning plates, thereby utilizing the first two positioning plates to position and clamp the side surfaces of the prism so as to facilitate the user to process the end surface of the prism, further avoiding the prism from moving in the processing process, meanwhile, through the second through hole, the second positioning rod and the spring arranged on the first positioning plate, when the positioning and clamping are carried out by utilizing the pair of prisms of the two positioning plates, when a plurality of positioning rods are in contact with the prism, the positioning rods in different positions can be moved up and down and contracted to be jointed with the prism according to the shapes of the prism, therefore, the contact area between the device and the prism is increased, the positioning and clamping effect is improved, meanwhile, the device can be used for positioning the prisms in different shapes, and the applicability of the device is further improved.

2. By arranging the push rods, the second positioning plates, the fixing plates, the first threaded holes and the screws, when the device is used for positioning the prism, a user can push the two push rods to enable the two positioning plates to be respectively contacted with the two end faces of the prism, and the two positioning plates are fixed by the connection of the screws and the two first threaded holes, so that the user can position the side faces of the prism by using the positioning plates and can also position the two end faces of the prism by using the positioning plates, the user can conveniently position and clamp different parts of the prism by using the device to perform omnibearing processing on the prism, and meanwhile, the push rods are movably connected to the second positioning plates, so that the user can rotate the prism to drive the second positioning plates to rotate, and further, the user can conveniently perform omnibearing processing on the side faces of the prism.

Drawings

FIG. 1 is a schematic front view of the present invention;

FIG. 2 is a schematic front sectional view of the present invention;

FIG. 3 is a schematic cross-sectional view of a positioning plate according to the present invention;

FIG. 4 is a schematic structural view of a second positioning plate of the present invention;

fig. 5 is a schematic cross-sectional view of the connecting plate of the present invention.

In the figure: the device comprises a positioning frame 1, a supporting plate 2, a first positioning plate 3, a first positioning rod 4, a second positioning plate 5, a push rod 6, a first through hole 7, a screw 8, a connecting rod 9, a connecting plate 10, a sliding rod 11, a lead screw 12, a rocker 13, a first threaded hole 14, a fixed plate 15, a second through hole 16, a spring 17, a third through hole 18 and a second threaded hole 19.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution of a positioning device for processing a micro prism of a microscope: including locating rack 1, locating rack 1 right side inner wall has lead screw 12 right-hand member optical axis through antifriction bearing swing joint, lead screw 12 left end passes 1 left surface of locating rack and fixedly connected with rocker 13 through antifriction bearing, through be provided with rocker 13 at lead screw 12 left end, thereby the person of facilitating the use utilizes rocker 13 to rotate lead screw 12, and then utilize the rotation of lead screw 12 to drive two connecting plates 10 and remove, lead screw 12 is reverse double thread lead screw setting, lead screw 12 threaded connection is in two screw holes two 19, two screw holes two 19 are seted up respectively in two connecting plates 10, all articulate on two connecting plates 10 bottom surfaces has connecting rod 9 one end, two connecting rod 9 other ends articulate respectively on upside locating plate one 3 left and right sides, lead screw 12 makes two connecting plates 10 be close to each other when being close to each other, two connecting plates 10 drive upside locating plate one 3 to be close to the prism location centre gripping of waiting to process at two locating plates 3 through two connecting rods 9 drive upside locating plate one 3 to downside locating plate one 3 when being close to each other 3, so that the side surface of the prism is positioned and clamped by utilizing the first positioning plate 3, the end surface of the prism is convenient for a user to process the end surface of the prism, one end of the supporting plate 2 is fixedly connected to the inner wall of the left side and the right side of the positioning frame 1, the opposite surfaces of the two supporting plates 2 are respectively fixedly connected to the left side and the right side of the first lower positioning plate 3, the first lower positioning plate 3 is fixedly supported by utilizing the supporting plate 2, a group of through holes two 16 are respectively arranged in the first two positioning plates 3, a group of positioning rods 4 are movably connected in the two groups of through holes two 16, springs 17 are respectively sleeved on the two groups of positioning rods 4, the positioning rods 4 are connected with the first positioning plates 3 by arranging the springs 17, so that the positioning rods 4 are fixedly supported by utilizing the springs 17, and the positioning rods 4 can be pushed to recover the original positions by utilizing the elasticity of the springs 17 after the prism is separated from the positioning rods 4, the two ends of the upper group of springs 17 are respectively fixedly connected with the upper surfaces of the upper group of positioning rods 4 and the upper positioning plate I3, the two ends of the lower group of springs 17 are respectively fixedly connected with the bottom surfaces of the lower group of positioning rods 4 and the lower positioning plate I3, the through holes III 18 are respectively formed in the two connecting plates 10, the two through holes III 18 are respectively sleeved on the same slide bar 11, the connecting plates 10 are connected with the slide bar 11 in a sliding manner through the through holes III 18 formed in the two connecting plates 10, so that the movement of the connecting plates 10 is limited by the connection between the slide bar 11 and the connecting plates 10, the influence of the rotation of the connecting plates 10 driven by the lead screw 12 on the left and right movement of the connecting plates 10 is avoided, the left and right ends of the slide bar 11 are respectively fixedly connected with the left and right inner walls of the positioning frame 1, the through holes I7 are respectively formed in the left and right side surfaces of the positioning frame 1, the push rods 6 are respectively and movably connected with opposite ends of the two positioning plates II 5 through rolling bearings, equal fixedly connected with foam-rubber cushion on two 5 opposite faces of locating plate through all being provided with the foam-rubber cushion on two 5 locating plates to utilize the foam-rubber cushion to cushion the protection between two 5 locating plates and the prism, and then avoid two 5 locating plates and the direct rigid contact of prism to produce the damage to the prism, equal fixedly connected with fixed plate 15 on two push rods 6, all set up screw hole one 14 in two fixed plates 15, right side screw hole one 14 female connection has screw 8.

The method comprises the following operation steps:

when a user needs to use the device to process the end face of the prism, the user places the side face of the prism on the lower positioning plate I3 and the lower positioning rod 4, then the user drives the screw rod 12 to rotate through the rocker 13 to enable the two connecting plates 10 to be close to each other, when the two connecting plates 10 are close to each other, the upper positioning plate I3 is driven to move downwards through the two connecting rods 9, when the upper positioning plate I3 drives the upper positioning rods 4 to be in contact with the upper surface of the prism, the positioning rods 4 at different positions are pushed to move upwards and downwards by using the shape of the prism, when the upper positioning rods 4 and the lower positioning rods 4 are in close contact with the prism, the rocker 13 stops rotating, and then the user processes the end face of the prism;

when a user needs to process the side face of the prism, the user rotates the rocker 13 to enable the first positioning plate 3 on the upper side to move upwards to a proper position, then the user places the prism between the two positioning plates 5, the user pushes the two push rods 6 to enable the two positioning plates 5 to be close to each other at the moment, the push rods 6 stop being pushed when the two positioning plates 5 are respectively in close contact with the two end faces of the prism, the user rotates the screw 8 to enable the screw 8 to be connected with the first threaded holes 14 to fix the positions of the two positioning plates 5 at the moment, then the user processes the side face of the prism, the user can rotate the prism to drive the second positioning plates 5 to rotate along the push rods 6 to process other positions in the processing process, the screw 8 is rotated to enable the screw 8 to be separated from the first threaded holes 14 on the left side after the processing is finished, and then the push rod 6 is pulled to take down the prism.

In the description of the present invention, it is to be understood that the indicated orientations or positional relationships are based on the orientations or positional relationships shown in the drawings and are only for convenience in describing the present invention and simplifying the description, but are not intended to indicate or imply that the indicated devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be construed as limiting the present invention.

In the present invention, unless otherwise explicitly specified or limited, for example, it may be fixedly attached, detachably attached, or integrated; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate, and may be communication between two elements or interaction relationship between two elements, unless otherwise specifically limited, and the specific meaning of the terms in the present invention will be understood by those skilled in the art according to specific situations.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments 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

1. The utility model provides a positioner is used in processing of microscope miniature prism, includes locating rack (1), its characterized in that: the right inner wall of the positioning frame (1) is movably connected with a right optical axis of a screw rod (12) through a rolling bearing, the left end of the screw rod (12) passes through the left side surface of the positioning frame (1) through a rolling bearing and is fixedly connected with a rocker (13), the screw rod (12) is arranged in a reverse double-thread screw rod mode, the screw rod (12) is in threaded connection with two threaded holes II (19), the two threaded holes II (19) are respectively arranged in two connecting plates (10), one ends of connecting rods (9) are hinged to the bottom surfaces of the two connecting plates (10), the other ends of the two connecting rods (9) are respectively hinged to the left side surface and the right side surface of the upper side positioning plate I (3), equal fixedly connected with backup pad (2) one end, two on the side inner wall about locating rack (1) backup pad (2) opposite face difference fixed connection is on the side about downside locating plate (3).

2. The positioning device for processing the micro prism of the microscope according to claim 1, wherein: a set of through holes II (16) are formed in the two first positioning plates (3), a set of positioning rods (4) are movably connected in the through holes II (16), and springs (17) are sleeved on the two positioning rods (4).

3. The positioning device for processing the micro prism of the microscope according to claim 2, wherein: the upper side is a set of the two ends of the spring (17) are fixedly connected to the upper surfaces of the upper side positioning rod (4) and the upper side positioning plate (3) respectively, and the lower side is a set of the two ends of the spring (17) are fixedly connected to the bottom surfaces of the lower side positioning rod (4) and the lower side positioning plate (3) respectively.

4. The positioning device for processing the micro prism of the microscope according to claim 1, wherein: through holes III (18) are formed in the two connecting plates (10), the through holes III (18) are sleeved on the same sliding rod (11), and the left end and the right end of the sliding rod (11) are fixedly connected to the inner wall of the left side and the right side of the positioning frame (1) respectively.

5. The positioning device for processing the micro prism of the microscope according to claim 1, wherein: through-hole one (7) have all been seted up in locating rack (1) right side left surface, two equal swing joint has push rod (6) in through-hole one (7).

6. The positioning device for processing the micro prism of the microscope according to claim 5, wherein: opposite ends of the two push rods (6) are movably connected to opposite surfaces of the two second positioning plates (5) through rolling bearings respectively, and sponge pads are fixedly connected to the opposite surfaces of the two second positioning plates (5).

7. The positioning device for processing the micro prism of the microscope according to claim 5, wherein: two equal fixedly connected with fixed plate (15) is gone up in push rod (6), two all set up screw hole one (14) in fixed plate (15), right side screw hole one (14) internal thread connection has screw (8).