CN117583934B - High-precision and high-efficiency machining clamp and machining method for microscope stand - Google Patents
High-precision and high-efficiency machining clamp and machining method for microscope stand Download PDFInfo
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- CN117583934B CN117583934B CN202410072058.0A CN202410072058A CN117583934B CN 117583934 B CN117583934 B CN 117583934B CN 202410072058 A CN202410072058 A CN 202410072058A CN 117583934 B CN117583934 B CN 117583934B
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- 238000003754 machining Methods 0.000 title claims description 28
- 238000000034 method Methods 0.000 title claims description 5
- 238000003825 pressing Methods 0.000 claims abstract description 59
- 238000003672 processing method Methods 0.000 claims abstract description 8
- 210000000078 claw Anatomy 0.000 claims description 17
- 238000007906 compression Methods 0.000 claims description 9
- 230000006835 compression Effects 0.000 claims description 6
- 230000000149 penetrating effect Effects 0.000 claims description 4
- 239000006260 foam Substances 0.000 claims description 2
- 238000009434 installation Methods 0.000 description 8
- 230000007246 mechanism Effects 0.000 description 3
- 230000003287 optical effect Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/12—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for securing to a spindle in general
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B1/00—Methods for turning or working essentially requiring the use of turning-machines; Use of auxiliary equipment in connection with such methods
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P17/00—Metal-working operations, not covered by a single other subclass or another group in this subclass
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q7/00—Arrangements for handling work specially combined with or arranged in, or specially adapted for use in connection with, machine tools, e.g. for conveying, loading, positioning, discharging, sorting
- B23Q7/02—Arrangements for handling work specially combined with or arranged in, or specially adapted for use in connection with, machine tools, e.g. for conveying, loading, positioning, discharging, sorting by means of drums or rotating tables or discs
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Jigs For Machine Tools (AREA)
Abstract
The invention discloses a high-precision and high-efficiency processing clamp and a processing method for a microscope stand, wherein the microscope stand comprises a base and a rotating disc, the base comprises a bottom plate part and a vertical plate part, the rotating disc is rotatably arranged on the vertical plate part and provided with a plurality of lens barrel mounting slots; the processing clamp comprises a mounting plate, a supporting base, a pressing module, a plurality of first screws, a rotary table tightening piece and a rotary table locking piece, wherein the supporting base is fixed on the mounting plate and bears the base, the pressing module is rotatably arranged on the mounting plate and presses the base on the supporting base, the base is locked and fixed on the supporting base, the rotary table tightening piece is wrapped on the periphery of the rotary table, the rotary table locking piece is fixed on the mounting plate and locks the rotary table tightening piece, and after the lens base is fixed on the supporting base, the axis of a lens barrel mounting slot hole at the lowest part on the rotary table is collinear with the rotation axis of the mounting plate; the central axis of the mounting plate is collinear with the axis of rotation of the spindle and performs a coaxial rotational movement with the spindle. The invention can greatly improve the processing efficiency of the lens barrel mounting slot hole on the lens base.
Description
Technical Field
The invention belongs to the technical field of microscope stand processing, and particularly relates to a high-precision and high-efficiency processing clamp and a processing method for a microscope stand.
Background
A microscope is an optical instrument composed of a lens or a combination of several lenses, and is mainly used for magnifying a tiny object as an instrument that can be seen by the naked human eye. The mechanical part of the microscope comprises a lens base, a lens post, a lens arm, a lens cone, an objective lens converter, a lens table and a regulator, wherein the objective lens converter is connected below the prism shell and can rotate freely, a plurality of round holes are formed in the disc and are used for installing objective lens parts, the converter is rotated to exchange objective lenses with different multiples, when the impact sound is heard, the observation can be carried out, at the moment, the optical axis of the objective lens is exactly aligned with the center of the light-transmitting hole, and the light path is communicated; after switching the objective lens, the use of a coarse actuator is not allowed, but only a fine actuator is used, so that the image is clear.
For the objective lens converter, the objective lens converter comprises a rotating mechanism and a plurality of objective lenses arranged on the rotating mechanism, the rotating mechanism comprises a base and a turntable rotationally arranged on the base, the requirement on the assembly precision of the turntable and the base is very high, the objective lenses are assembled on the turntable, and the central axis of the corresponding objective lens needs to be collinear with the central axis of the optical system of the lens barrel part every time the objective lens is rotated for a set angle, so the requirement on the machining precision of a mounting slot hole for installing the objective lens on the turntable is very high.
In the prior art, patent publication number CN107983971a discloses a method for processing a lens holder, during processing, a lens holder turning clamp is installed on a spindle flange of a lathe, the lens holder turning clamp comprises an index plate and a turntable, then the lens holder to be processed is fixedly installed on the turntable of the lens holder turning clamp, one lens tube installation slot hole to be processed is aligned with the rotation center of the lens holder turning clamp, each lens tube installation slot hole on the lens holder to be processed needs to be removed from the lens holder turning clamp, then a connecting bolt between the turntable and the index plate is loosened, a movable pin is pulled out, the turntable is rotated by 90 degrees, the lens holder is fixed on the turntable again, and then the relative position of the turntable and the index plate is fixed again, so that the processing of the next lens tube installation slot hole can be performed.
Therefore, it is necessary to provide a new high-precision and high-efficiency processing fixture and processing method for a microscope stand to solve the above technical problems.
Disclosure of Invention
One of the main objects of the present invention is to provide a high precision and efficient processing fixture for microscope stand, which can greatly improve the processing efficiency of the mounting slot hole of the lens barrel on the microscope stand.
The invention realizes the aim through the following technical scheme: the high-precision and high-efficiency processing clamp for the microscope stand is used for fixing the microscope stand, the microscope stand comprises a base and a rotating disc, the base comprises a bottom plate part and a vertical plate part, and the rotating disc is rotatably arranged on the vertical plate part and provided with a plurality of lens barrel mounting slots distributed in an annular mode; the processing clamp comprises a mounting plate fixed at the tail end of a main shaft of machining equipment, a supporting base fixed on the shaft end face of the mounting plate and used for bearing the base, a pressing module rotationally arranged on the shaft end face of the mounting plate and used for pressing the base on the supporting base, a plurality of first screws used for locking and fixing the base on the supporting base, a rotary table clamping piece wrapped on the periphery of the rotary table and a rotary table locking piece fixed on the shaft end face of the mounting plate and used for locking the rotary table clamping piece, wherein after the mirror base is fixed on the supporting base, the axis of a lens barrel mounting slot hole at the lowest part on the rotary table is collinear with the rotation axis of the mounting plate; the central axis of the mounting plate is collinear with the rotational axis of the spindle and performs coaxial rotational movement with the spindle.
Further, the mounting plate is provided with a balancing weight.
Further, horizontal clamping strips are arranged on the left side surface and the right side surface of the bottom plate part, and sliding grooves matched with the horizontal clamping strips are formed on the upper surface of the supporting base.
Further, a second screw is provided on the support base to laterally press against the bottom plate portion.
Further, the lower surface of the bottom plate part is provided with a plurality of threaded holes; the first screw is screwed into the threaded hole from the lower surface of the support base upwards to fix the base on the support base.
Further, the pressing module comprises a pressing plate rotatably arranged on the mounting plate, a pressing block arranged on the lower surface of the pressing plate and used for pressing the upper surface of the bottom plate part, a threaded hole column fixed on the lower surface of the pressing plate, and a third screw penetrating through the supporting base and screwed into the threaded hole column.
Further, an avoidance gap penetrating through the upper surface and the lower surface is formed in the bottom plate portion, and the threaded hole column penetrates through the avoidance gap when the pressing plate is pressed down so as to be capable of being screwed and fixed with the third screw.
Further, a positioning groove is formed on the rear side surface of the bottom plate part; and a limiting top block which is jacked into the positioning groove to limit the rear side position of the mirror seat is arranged on the shaft end surface of the mounting plate.
Further, the turntable pinch member includes a pinch ring and a clamping piece fixed to the pinch ring.
Further, the turntable locking piece comprises at least one pair of support posts fixed on the end face of the mounting disc shaft, a mounting seat fixed at the top of the support posts, a lever pressing claw arranged on the mounting seat in a rotating mode in the middle of the mounting seat, and a locking screw rod driving one end of the lever pressing claw to rotate so that the other end of the lever pressing claw presses or releases the clamping piece.
Further, a supporting surface for supporting the clamping piece is formed on the mounting seat, and one free end of the lever pressing claw extends to the upper portion of the supporting surface to form a pressing part.
Another object of the present invention is to provide a high-precision and high-efficiency processing method for a microscope stand, which includes the following steps:
s1, in an initial state, fixedly mounting the processing clamp on machining equipment;
s2, the turntable clamping piece is clamped on the periphery of the turntable of the mirror base;
s3, placing the lens base on the supporting base, and locking and fixing the lens base on the supporting base by using the compression module and the first screw;
s4, locking and fixing the turntable tightening piece by using the turntable locking piece, wherein the axis of the lens barrel mounting slot hole at the lowest part on the lens base is collinear with the axis of the mounting disc;
s5, turning the lens barrel mounting slot hole setting area by the machining equipment;
s6, loosening the clamping of the turntable locking piece to the turntable clamping piece, and rotating the turntable to enable the next lens barrel mounting slot hole to be processed to be located at the lowest position;
and S7, repeating the steps S4-S6 until all the lens barrel mounting slot holes to be processed are processed, and then taking down the lens base from the processing clamp to complete processing.
Further, before step S2, the bubble surface and the rubber stopper are plugged into the lens barrel mounting slot, and only the area to be processed is exposed.
Compared with the prior art, the high-precision and high-efficiency processing clamp and the processing method for the microscope stand have the beneficial effects that: through skillfully designing the structure of the processing clamp, the whole clamp is integrally designed on a mounting disc, and the mounting disc is assembled on a main shaft of machining equipment and rotates along with the main shaft; a supporting base is designed on the mounting plate to serve as a main supporting structure of the lens base, a plurality of screws are matched with threaded holes in the structure of the lens base, and the lens base is stably and reliably fixed and locked on the supporting base by the compression module, so that the firmness and stability of the position of the lens base are greatly improved, and the machining precision of a lens barrel mounting slotted hole is ensured; the rotating disc of the lens base is clamped by skillfully designing the rotating disc clamping piece, and then the rotating disc clamping piece is locked by utilizing the rotating disc locking piece on the mounting disc, so that the rotating disc is locked, the position stability of the rotating disc relative to the mounting disc is ensured, and the machining precision of the lens barrel mounting slot hole is further ensured; the lens holder which comprises the base and the rotating disc are assembled together is integrally used as a processing object, the rotating function of the rotating disc on the base is utilized, after one lens barrel installation slot hole is processed, the rotating disc can be rotated only by loosening the rotating disc locking piece, the lens barrel installation slot hole to be processed next is enabled to rotate to the rotating center of the installation disc, then the rotating disc locking piece is locked, the whole lens holder is not required to be detached from the processing clamp, the rotating freedom degree of the index disc and the rotating disc in the prior art is avoided, and the processing efficiency of the lens barrel installation slot hole on the lens holder is greatly improved.
Drawings
FIG. 1 is a schematic view of a lens base according to an embodiment of the present invention;
FIG. 2 is a schematic view of a base structure according to an embodiment of the present invention;
FIG. 3 is a schematic view of another angle structure of a lens base according to an embodiment of the present invention;
FIG. 4 is a schematic view of a processing fixture according to an embodiment of the present invention;
FIG. 5 is a schematic view of the processing clamp according to the embodiment of the present invention after the turntable pinch is removed;
FIG. 6 is a schematic view of a rotor hub fastener according to an embodiment of the present invention;
FIG. 7 is a schematic view of a configuration of a turntable fastener and turntable pinch according to an embodiment of the present invention;
FIG. 8 is a schematic side view of a lens holder mounted on a processing fixture without a turntable pinch in an embodiment of the invention;
FIG. 9 is a schematic diagram showing a front view of a lens holder according to an embodiment of the present invention mounted on a processing jig;
the figures represent the numbers:
100-a high-precision and high-efficiency processing clamp for a microscope stand;
200-lens base, 201-base, 2011-bottom plate part, 2012-vertical plate part, 2013-avoiding notch, 2014-horizontal clamping bar, 2015-positioning groove, 2016-threaded hole, 202-rotating disk, 2021-lens barrel mounting slot;
1-mounting a disc; 2-supporting base, 21-chute; 3-compression modules, 31-compression plates, 32-compression blocks, 33-threaded hole columns and 34-third screws; 4-a first screw; 5-turntable clamping pieces, 51-hoops, 52-clamping pieces and 53-fourth screws; 6-rotating disc locking pieces, 61-supporting columns, 62-mounting seats, 621-supporting surfaces, 63-lever pressing claws, 631-pressing parts and 64-locking screws; 7-a second screw; 8-limiting top blocks.
Detailed Description
Embodiment one:
referring to fig. 1-9, the present embodiment is a high-precision and high-efficiency processing fixture 100 for a microscope stand, which is used for fixing a microscope stand 200, the microscope stand 200 includes a base 201 and a rotating disc 202 rotatably disposed on the base 201, the base 201 includes a horizontally extending bottom plate portion 2011 and a vertically extending vertical plate portion 2012, the rotating disc 202 is rotatably disposed on the vertical plate portion 2012, and a plurality of lens barrel mounting slots 2021 distributed annularly at equal angles are disposed on the rotating disc 202. The bottom plate portion 2011 is provided with a recess 2013 penetrating the upper and lower surfaces, the left and right side surfaces of the bottom plate portion 2011 are provided with horizontal clamping bars 2014, the rear side surface is provided with a positioning groove 2015, and the lower surface is provided with a plurality of screw holes 2016.
The high-precision and high-efficiency processing clamp 100 for the microscope stand of the embodiment comprises a mounting plate 1 fixed at the tail end of a main shaft of a machining device, a supporting base 2 fixed on the shaft end face of the mounting plate 1 and used for bearing a base 201, a pressing module 3 rotationally arranged on the shaft end face of the mounting plate 1 and used for pressing the base 201 on the supporting base 2, a plurality of first screws 4 used for locking and fixing the base 201 on the supporting base 2, a turntable clamping piece 5 wrapped on the periphery of a rotating disk 202 and a turntable clamping piece 6 fixed on the shaft end face of the mounting plate 1 and used for locking the turntable clamping piece 5, wherein after the microscope stand 200 is fixed on the supporting base 2, the axis of a lens barrel mounting groove hole 2021 at the lowest part on the rotating disk 202 is collinear with the rotation axis of the mounting plate 1.
The mounting plate 1 is in a disc structure and is fixed at the tail end of a main shaft of machining equipment, and coaxially rotates along with the main shaft. The center of the mounting plate 1 is arranged coaxially with the rotation center of the spindle.
The upper surface of the support base 2 is formed with a chute 21, the base 201 of the mirror base 200 slides into the chute 21, and the horizontal clamping strips 2014 on the left side and the right side of the bottom plate 2011 are matched with the chute 21 to limit the freedom degree of the base 201 in the up-down direction and realize the bearing support of the support base 2 on the mirror base 200.
The second screw 7 is arranged on the supporting base 2, and after the base 201 slides into the chute 21, the bottom plate part 2011 of the base 201 is laterally abutted against by the second screw 7, so that the pressing and limiting of the base 201 at the left and right positions in the chute 21 on the supporting base 2 are realized.
The first screw 4 is screwed upward from the lower surface of the support base 2 into the slide groove 21, and after the base 201 is slid into the slide groove 21, the first screw 4 is screwed into the screw hole 2016 of the lower surface of the bottom plate portion 2011, tightly fixing the base 201 to the support base 2.
The pressing module 3 includes a pressing plate 31 rotatably provided on the mounting plate 1, a pressing block 32 provided on a lower surface of the pressing plate 31 for pressing an upper surface of the bottom plate portion 2011 of the base 201, a screw hole column 33 fixed to the lower surface of the pressing plate 31, and a third screw 34 screwed into the screw hole column 33 through the support base 2. In the initial state, the pressing plate 31 is in an open state, after the lens holder 200 is placed on the supporting base 2, the pressing plate 31 is put down downwards, the pressing block 32 is pressed on the upper surface of the bottom plate part 2011 of the base 201, meanwhile, the threaded hole column 33 passes through the avoiding notch 2013 on the bottom plate part 2011, and then the third screw 34 is screwed into the threaded hole column 33, so that the pressing plate 31 is kept in a downward pressing state, and the base 201 is pressed.
In order to ensure the machining precision of the lens barrel mounting slot 2021 on the lens base 200, the positional precision of the lens base 200 on the machining fixture 100 must be ensured, and in order to achieve the above purpose, the present embodiment, through the structural design of the chute 21 on the support base 2, is matched with the compression module 3, the plurality of first screws 4, the plurality of second screws 7 and the plurality of third screws 34 to firmly fix the base 201 on the lens base 200, so as to provide an accurate and reliable positional basis for machining of the lens barrel mounting slot 2021.
A limiting top block 8 for limiting the rear position of the base 201 in the chute 21 is arranged on the shaft end surface of the mounting plate 1 corresponding to the end position of the chute 21. When the base 201 of the lens holder 200 slides into the sliding groove 21, the limiting top block 8 is pushed into the positioning groove 2015, so that the rear side position of the lens holder 200 is limited.
The turntable pinch 5 includes a pinch ring 51 and a clamp piece 52 fixed to the pinch ring 51. The hoop 51 is used for tightening the periphery of the rotating disc 202, so as to realize the fastening connection of the rotating disc tightening piece 5 and the rotating disc 202. The clamping piece 52 has an annular structure and extends radially outwardly beyond the band 51. In this embodiment, the clamping pieces 52 are several sheet structures distributed at intervals in a ring shape, and in other embodiments, the clamping pieces 52 may be continuous annular sheet structures, and only the abutting portion of the hoop 51 is broken to form an opening. The clamping piece 52 is used for being locked and fixed by the turntable locking member 6. The band 51 performs a tightening or loosening operation by the fourth screw 53.
The turntable lock 6 includes at least one pair of support posts 61 fixed to the axial end face of the mounting plate 1, a mount base 62 fixed to the top of the support posts 61, a lever pressing claw 63 provided in the middle to rotate on the mount base 62, and a lock screw 64 driving one end of the lever pressing claw 63 to rotate so that the other end of the lever pressing claw 63 presses or releases the turntable pinch 5. The mounting base 62 is formed with a support surface 621 for supporting the holding piece 52, and one free end of the lever pressing claw 63 extends to above the support surface 621 to form a pressing portion 631. In the initial state, the locking screw 64 is screwed in a little deeper, and one end of the lever pressing claw 63 is rotated inwards so that the pressing part 631 of the lever pressing claw 63 is opened outwards; after the lens holder 200 is placed on the supporting base 2 by an operator, the clamping piece 52 in the turntable clamping piece 5 clamped on the periphery of the turntable 202 is just located on the supporting surface 621, then the locking screw 64 is rotated, the pressing part 631 is driven to press the clamping piece 52 on the supporting surface 621, so that the turntable clamping piece 5 is fixed, the turntable 202 is fixed, and the relative position of the turntable 202 and the installation plate 1 is ensured to be fixed.
In order to prevent the unstable center of rotation on the mounting plate 1, eccentric shaking occurs during high-speed rotation, and a counterweight 9 is further provided on the mounting plate 1. By the design of the weight 9, the center of gravity of the machining jig 100 can be located on the center of rotation.
The embodiment also provides a high-precision and high-efficiency processing method of the microscope stand, which comprises the following steps:
s1, in an initial state, a mounting plate 1 is fixedly mounted at the tail end of a main shaft of machining equipment and coaxially rotates along with the main shaft;
s2, tightening the turntable tightening piece 5 on the periphery of the rotating disk 202 of the lens base 200;
s3, placing the lens base 200 with the turntable clamping piece 5 clamped on the supporting base 2, pressing the compression module 3 on the upper surface of the base 201, screwing the first screw 4 into the threaded hole 2016 at the bottom of the lens base, screwing the third screw 34 into the threaded hole column 33 below the compression module 3, locking and fixing the lens base 200 on the supporting base 2, and laterally propping the second screw 7 against the base 201 of the lens base 200, wherein the clamping piece 52 on the turntable clamping piece 5 is landed on the mounting seat 62 on the turntable clamping piece 6;
s4, rotating the locking screw 64, pressing the clamping piece 52 on the mounting seat 62 by utilizing the lever pressing claw 63, and locking the turntable tightening piece 5, wherein the axis of the lens barrel mounting groove hole 2021 at the lowest part on the lens seat 200 is collinear with the axis of the mounting disc 1;
s5, turning the set area of the lens barrel mounting groove hole 2021 by using machining equipment;
s6, rotating the locking screw 64, loosening the clamping of the lever pressing claw 63 to the turntable clamping piece 5, rotating the turntable 202 until the next lens barrel mounting groove hole 2021 to be processed is positioned at the lowest position, and hearing knocking sound in the rotating process;
s7, repeating the steps S4-S6 until all the lens barrel mounting slots 2021 to be processed are processed, and then taking down the lens base 200 from the processing clamp to complete processing.
In order to prevent chips from splashing to an unprocessed region deep in the barrel mounting groove 2021 during turning, the groove wall is damaged, and a foam surface and a rubber stopper are inserted into the barrel mounting groove 2021 before the lens mount 200 is mounted on the processing jig 100, so that only the region to be processed is exposed.
The foregoing are merely some embodiments of the invention. It will be apparent to those skilled in the art that various modifications and improvements can be made without departing from the spirit of the invention.
Claims (9)
1. A microscope stand high accuracy high efficiency adds clamping apparatus which characterized in that: the lens base comprises a base and a rotating disc, wherein the base comprises a bottom plate part and a vertical plate part, and the rotating disc is rotatably arranged on the vertical plate part and provided with a plurality of lens barrel mounting slots in annular distribution; the processing clamp comprises a mounting plate fixed at the tail end of a main shaft of machining equipment, a supporting base fixed on the shaft end face of the mounting plate and used for bearing the base, a pressing module rotationally arranged on the shaft end face of the mounting plate and used for pressing the base on the supporting base, a plurality of first screws used for locking and fixing the base on the supporting base, a rotary table clamping piece wrapped on the periphery of the rotary table and a rotary table locking piece fixed on the shaft end face of the mounting plate and used for locking the rotary table clamping piece, wherein after the mirror base is fixed on the supporting base, the axis of a lens barrel mounting slot hole at the lowest part on the rotary table is collinear with the rotation axis of the mounting plate; the central axis of the mounting disc is collinear with the rotation axis of the main shaft and performs coaxial rotation movement along with the main shaft; the pressing module comprises a pressing plate rotationally arranged on the mounting plate, a pressing block arranged on the lower surface of the pressing plate and used for pressing the upper surface of the bottom plate part, a threaded hole column fixed on the lower surface of the pressing plate, and a third screw penetrating through the supporting base and screwed into the threaded hole column; the bottom plate part is provided with an avoidance notch which penetrates through the upper surface and the lower surface, and the threaded hole column penetrates through the avoidance notch when the pressing plate is pressed down so as to be screwed and fixed with the third screw; the turntable clamping piece comprises a clamping ring and a clamping piece fixed on the clamping ring; the turntable locking piece comprises at least one pair of support posts fixed on the end face of the mounting plate shaft, a mounting seat fixed at the top of the support posts, a lever pressing claw with the middle part rotatably arranged on the mounting seat and a locking screw rod for driving one end of the lever pressing claw to rotate so that the other end of the lever pressing claw presses or releases the clamping piece.
2. The microscope stand high precision and high efficiency machining fixture of claim 1, wherein: and the mounting plate is provided with a balancing weight.
3. The microscope stand high precision and high efficiency machining fixture of claim 1, wherein: horizontal clamping strips are arranged on the left side surface and the right side surface of the bottom plate part, and sliding grooves matched with the horizontal clamping strips are formed on the upper surface of the supporting base.
4. The microscope stand high precision and high efficiency machining fixture of claim 1, wherein: the support base is provided with a second screw which laterally abuts against the bottom plate portion.
5. The microscope stand high precision and high efficiency machining fixture of claim 1, wherein: the lower surface of the bottom plate part is provided with a plurality of threaded holes; the first screw is screwed into the threaded hole from the lower surface of the support base upwards to fix the base on the support base.
6. The microscope stand high precision and high efficiency machining fixture of claim 1, wherein: a positioning groove is arranged on the rear side surface of the bottom plate part; and a limiting top block which is jacked into the positioning groove to limit the rear side position of the mirror seat is arranged on the shaft end surface of the mounting plate.
7. The microscope stand high precision and high efficiency machining fixture of claim 1, wherein: the mounting seat is provided with a supporting surface for supporting the clamping piece, and one free end of the lever pressing claw extends to the upper side of the supporting surface to form a pressing part.
8. A high-precision and high-efficiency processing method for a microscope stand is characterized in that: which comprises the following steps:
s1, fixedly mounting the processing clamp according to claim 1 on a machining device in an initial state;
s2, the turntable clamping piece is clamped on the periphery of the turntable of the mirror base;
s3, placing the lens base on the supporting base, and locking and fixing the lens base on the supporting base by using the compression module and the first screw;
s4, locking and fixing the turntable tightening piece by using the turntable locking piece, wherein the axis of the lens barrel mounting slot hole at the lowest part on the lens base is collinear with the axis of the mounting disc;
s5, turning the lens barrel mounting slot hole setting area by the machining equipment;
s6, loosening the clamping of the turntable locking piece to the turntable clamping piece, and rotating the turntable to enable the next lens barrel mounting slot hole to be processed to be located at the lowest position;
and S7, repeating the steps S4-S6 until all the lens barrel mounting slot holes to be processed are processed, and then taking down the lens base from the processing clamp to complete processing.
9. The high-precision and high-efficiency processing method of the microscope stand according to claim 8, wherein the method comprises the following steps of: before step S2, a foam surface and a rubber block are plugged into the lens barrel mounting groove hole, and only the area to be processed is exposed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410072058.0A CN117583934B (en) | 2024-01-18 | 2024-01-18 | High-precision and high-efficiency machining clamp and machining method for microscope stand |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410072058.0A CN117583934B (en) | 2024-01-18 | 2024-01-18 | High-precision and high-efficiency machining clamp and machining method for microscope stand |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN117583934A CN117583934A (en) | 2024-02-23 |
| CN117583934B true CN117583934B (en) | 2024-04-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202410072058.0A Active CN117583934B (en) | 2024-01-18 | 2024-01-18 | High-precision and high-efficiency machining clamp and machining method for microscope stand |
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| CN (1) | CN117583934B (en) |
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| CN117102857A (en) * | 2023-07-28 | 2023-11-24 | 泽野精密仪器(昆山)有限公司 | Microscope lens rotating module assembly process |
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