CN110978307A

CN110978307A - Fixing tool for lightweight milling of optical lens blank

Info

Publication number: CN110978307A
Application number: CN201911350518.7A
Authority: CN
Inventors: 符传岭; 汪德峰; 胡明勇
Original assignee: Nanjing Baokaitong Machinery Equipment Co ltd
Current assignee: Nanjing Baokaitong Machinery Equipment Co ltd
Priority date: 2019-12-24
Filing date: 2019-12-24
Publication date: 2020-04-10
Anticipated expiration: 2039-12-24
Also published as: CN110978307B

Abstract

The invention discloses a fixing tool for lightweight milling of an optical lens blank, which relates to an optical lens blank milling auxiliary device and aims to solve the technical problem that the blank is not positioned sufficiently and is easy to move when milled in the prior art, so that the dimension of an optical lens is subject to error; when milling the blank, at first fix the chassis on the workstation, place the blank on the fixing base again, according to the size of blank, adjust positioning assembly through the roll adjustment subassembly, recycle a plurality of positioning assembly and press from both sides tight blank to this can fix the blank on the fixing base, when being favorable to reducing the milling blank, the possibility that the blank takes place to remove reduces and mills the blank, and the possibility that the optical lens size changes.

Description

Fixing tool for lightweight milling of optical lens blank

Technical Field

The invention relates to an auxiliary device for milling an optical lens blank, in particular to a fixing tool for lightweight milling of the optical lens blank.

Background

The optical glass is prepared by mixing high-purity oxides of silicon, boron, sodium, potassium, zinc, lead, magnesium, calcium, barium and the like according to a specific formula, melting at high temperature in a platinum crucible, uniformly stirring by using ultrasonic waves, and removing bubbles; and then slowly cooling for a long time to prevent the glass block from generating internal stress. The cooled glass block must be measured by optical instruments to verify purity, transparency, uniformity, refractive index and dispersion are within specification. The qualified glass block is heated and forged into an optical lens blank, and the optical lens blank is usually cylindrical.

Tooling, namely process equipment: which is a generic name of various tools used in the manufacturing process, a tool is generally mounted on a table of a machining apparatus such as a milling machine, a lathe, or the like. Including cutter/clamp/mold/gauge/auxiliary/bench tool/station tool, etc. The tooling is a general abbreviation thereof.

Chinese patent with publication number CN207508917U discloses an optical lens production system, which comprises a base plate, the left side fixedly connected with cutting machine at bottom plate top, the top fixedly connected with conveyer of bottom plate, the right side fixedly connected with under casing at bottom plate top, the top of under casing is fixed to be linked with grinding device, the first clamp splice of left side fixedly connected with at under casing top. The utility model discloses a set up the cutting machine, conveyer, the under casing, grinding device, first clamp splice, including a motor, an end cap, a controller, and a cover plate, the disc, the bull stick, remove the frame, the sliding sleeve, the polished rod, the connecting block, the driving plate, remove the post, the sliding ring, the slide bar, the cooperation of movable plate and second clamp splice is used, the problem that current optical lens piece production system presss from both sides tight effect difference when polishing has been solved, this optical lens piece production system possesses the tight effectual advantage of clamp when polishing, the user blank can not rock when using, thereby the protection blank, the practicality of optical lens piece production system has been improved.

When the optical lens production system in the prior art is used, when the optical lens is cut, the optical lens is clamped by the first clamping block and the second clamping block, so that the optical lens is polished, but in practical application, the blank is usually cylindrical and is fixed by only the two clamping blocks, and when the machine tool is used for milling, the force applied to the blank easily causes the blank to move, so that the size of the optical lens is changed, and the improvement is needed.

Disclosure of Invention

Aiming at the defects in the prior art, the invention aims to provide a fixing tool for lightweight milling of an optical lens blank, which has the advantage of clamping the blank when the optical lens blank is milled.

The above object of the present invention is achieved by the following technical solutions:

the utility model provides an optical lens blank lightweight milling process is with fixed frock, is including setting up the chassis on the workstation and setting up the fixing base on the chassis, be equipped with the locating component that a plurality of is used for pressing from both sides tight blank on the fixing base, be equipped with the roll adjustment subassembly that is used for adjusting locating component on the fixing base.

Through adopting above-mentioned technical scheme, when milling the blank, at first fix the chassis on the workstation, place the blank on the fixing base again, according to the size of blank, adjust positioning component through the roll adjustment subassembly, recycle a plurality of positioning component and press from both sides tight blank to this can fix the blank on the fixing base, is favorable to reducing when milling the blank, and the blank takes place the possibility of removing, reduces and mills the blank, and the optical lens size takes place the possibility that changes.

Furthermore, a cavity is arranged in the fixed seat, a plurality of sliding chutes communicated with the cavity are arranged on the top wall of the fixed seat, and a supporting column is arranged on the fixed seat and positioned at the geometric center of the fixed seat; the distance adjusting assembly comprises a plurality of lead screws which are rotatably arranged on the peripheral wall of the fixing seat, the lead screws are uniformly distributed along the circumferential direction of the fixing seat, one end of each lead screw is rotatably arranged on the peripheral wall of the fixing seat, the other end of each lead screw extends into the cavity, one end of each lead screw extending into the cavity is rotatably connected with the supporting column, a sliding block is arranged on the side wall of each lead screw, a sliding groove is formed in one side, far away from the chassis, of each sliding block, a locking nut is arranged on the side wall of each lead screw, and the locking.

Through adopting above-mentioned technical scheme, according to the size of blank, rotate the lead screw, drive the slider and slide to the mobile location subassembly to this can adapt to not unidimensional blank, at last rotatory lock nut again supports lock nut tightly on the lateral wall of fixing base, reduces the lead screw and takes place the reversal, leads to the possibility that locating component takes place the back and moves.

Furthermore, one side of the locking nut, which is close to the fixing seat, is provided with a limiting ring, the outer side wall of the limiting ring is provided with threads, and the outer side wall of the chassis is provided with a ring groove for screwing the limiting ring in.

Through adopting above-mentioned technical scheme, when locking nut was rotatory to fixing base one side, with the spacing ring screw in annular to can strengthen the tight nature of being connected between locking nut and the fixing base.

Furthermore, a liquid outlet is formed in the peripheral wall of the fixed seat, the inner bottom wall of the fixed seat is inclined, and the height of the cavity decreases progressively from one side close to the liquid outlet to one side far away from the liquid outlet.

Through adopting above-mentioned technical scheme, because when milling the blank, have the cutting fluid to water on milling cutter, on the cutting fluid refluence flows into the fixing base, fall into the cavity in the spout at last, through the difference in height of fixing base diapire, thereby the cutting fluid can be smoothly discharged from the leakage fluid dram to this possibility that can reduce the cutting fluid and fall into in the fixing base.

Further, locating component stretches out the seat that slides of spout one end including setting up at the slider, be equipped with on the lateral wall of the seat that slides and support tight piece.

Through adopting above-mentioned technical scheme, utilize to rotate the lead screw, drive the slider and remove to can drive and support tight piece and remove, with this can convenient and fast press from both sides the blank tightly.

Furthermore, an accommodating groove is formed in one side, close to the blank, of the sliding seat; the side wall of the accommodating groove is provided with two supporting rods, the two supporting rods are oppositely arranged and are arranged along the height direction of the chassis, the side walls of the two supporting rods are respectively and rotatably provided with a driving wheel and a driven wheel, the driving wheel and the driven wheel are mutually meshed, the side wall of the sliding seat is provided with a rotating notch communicated with the accommodating groove, and one side of the driving wheel, which is far away from the driven wheel, extends out of the rotating notch; a positioning block is arranged on the outer side wall of the sliding seat and along the height direction of the sliding seat, a positioning hole is formed in the side wall of the positioning block, a spring is arranged on the hole bottom wall of the positioning hole, a positioning rod is arranged at one end, away from the hole bottom wall of the positioning hole, of the spring, gear teeth are arranged at one end, away from the spring, of the positioning rod, and one end, away from the positioning rod, of the gear teeth extends out of the positioning hole and is inserted into a; the abutting block comprises abutting blocks respectively arranged on the side wall of the driving wheel and the side wall of the driven wheel, one side, close to the blank, of each abutting block is provided with an abutting surface, and the abutting surfaces are arranged oppositely.

Through adopting above-mentioned technical scheme, according to the shape of blank, rotate the action wheel to can drive from the driving wheel rotation, and then drive conflict piece and rotate, with this angle that can adjust between the conflict face, the blank is contradicted to the rethread conflict face, inserts in the action wheel through the teeth of a cogwheel on the locating lever at last, with this action wheel that can fix a position, thereby can lock the action wheel and follow the driving wheel, be favorable to adapting to the blank of different shapes.

Furthermore, all be equipped with the breach of stepping down that supplies the conflict piece to stretch into on the relative cell wall of holding tank.

Through adopting above-mentioned technical scheme, when rotating the action wheel, action wheel and from driving the drive contact block rotation, through stepping down the breach, be favorable to increasing the pivoted angle of contact block, and then can adapt to the blank of great size.

Further, be equipped with logical groove on the tank bottom wall of holding tank, lead to the groove with the spout intercommunication sets up, the diapire of holding tank is the slope form, the groove depth of holding tank is by being close to one side that leads to the groove to keeping away from one side that leads to the groove and steadilyd decrease.

Through adopting above-mentioned technical scheme, in cutting fluid influx holding tank, through the difference in height of holding tank groove diapire, thereby in cutting fluid can follow logical inslot influx spout, the rethread leakage fluid dram outflow is convenient for arrange away the cutting fluid in the holding tank.

In conclusion, the invention has the following beneficial effects:

1. when a blank is milled, the chassis is firstly installed on the workbench, the blank is placed on the fixed seat, the positions of the positioning components are adjusted through the distance adjusting components according to the size of the blank, and finally the blank is fixed by utilizing the plurality of positioning components, so that the possibility of movement of the blank during milling is favorably reduced, and the possibility of errors of the size of the optical lens is reduced;

2. when the locking nut is tightly abutted against the side wall of the fixed seat, the limiting ring is screwed into the annular groove, so that the stability of the locking nut abutting against the side wall of the fixed seat is increased, and the stability of the locking nut for locking the lead screw can be increased;

3. the driving wheel is utilized to drive the driven wheel to rotate, so that the angle between the two abutting surfaces can be adjusted, and the blank with different sizes can be adapted.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment.

Fig. 2 is a partial structure view showing a cross section along a-a in fig. 1.

Fig. 3 is an enlarged view of a portion a in fig. 2.

FIG. 4 is a schematic view showing a partial structure of the cross section B-B in FIG. 1.

Fig. 5 is an enlarged view of the portion B in fig. 4.

Fig. 6 is an enlarged view of the portion C in fig. 5.

In the figure: 01. a blank; 1. a work table; 10. a T-shaped slot; 2. a chassis; 20. a ring groove; 21. a sliding block; 22. a bolt; 23. a compression block; 24. pressing the gap; 3. a fixed seat; 30. a cavity; 31. a chute; 32. a support pillar; 33. a liquid discharge port; 4. a positioning assembly; 40. a sliding seat; 41. a propping block; 42. accommodating grooves; 43. a support bar; 44. a driving wheel; 45. a driven wheel; 46. rotating the notch; 47. positioning blocks; 48. positioning holes; 49. a spring; 400. positioning a rod; 401. gear teeth; 402. a contact block; 403. a contact surface; 404. a through hole; 405. a pull rod; 406. a abdication gap; 407. a through groove; 408. connecting blocks; 5. a distance adjusting component; 50. a lead screw; 51. a slider; 52. a locking nut; 53. a limiting ring; 54. a thread; 55. a handle.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Example (b):

referring to fig. 1 and 2, a fixed frock is used in lightweight milling process of optical lens blank, it includes chassis 2 and sets up fixing base 3 on 2 diapalls on chassis, be equipped with T-slot 10 on the lateral wall of workstation 1, be equipped with sliding block 21 in the T-slot 10, be equipped with bolt 22 on sliding block 21's the lateral wall, bolt 22's double-screw bolt and sliding block 21 threaded connection, T-slot 10 is stretched out to bolt 22's spiral shell head, the one end threaded connection that bolt 22 stretches out T-slot 10 has compact heap 23, be equipped with on compact heap 23's the lateral wall and compress tightly breach 24, it contradicts on chassis 2's lateral wall to compress tightly breach 24.

Referring to fig. 1 and 2, a plurality of positioning assemblies 4 for clamping a blank 01 are arranged on a fixed seat 3, and a distance adjusting assembly 5 for adjusting the positioning assemblies 4 is arranged on the fixed seat 3; before milling blank 01, install chassis 2 on workstation 1 earlier, insert the sliding block 21 in T-slot 10, compress tightly the breach 24 that compresses tightly of compact heap 23 on chassis 2's lateral wall again, and screw bolt 22, thereby fixed chassis 2, place blank 01 on fixing base 3 roof again, adjust the position of locating component 4 through roll adjustment subassembly 5, support the lateral wall of tight blank 01 through a plurality of locating component 4 at last, with this can convenient and fast fix blank 01 on fixing base 3, reduce when milling blank 01, the possibility that blank 01 takes place to remove, be favorable to reducing when milling blank 01, because blank 01 takes place to remove, lead to the possibility that the error takes place for the optical lens size.

Referring to fig. 2, be equipped with cavity 30 in the fixing base 3, be equipped with the spout 31 of a plurality of and cavity 30 intercommunication on the roof of fixing base 3, fixing base 3 just is located its geometric center and is equipped with support column 32, is favorable to increasing the support stability of fixing base 3 to blank 01.

Referring to fig. 2, the distance adjusting assembly 5 includes a plurality of lead screws 50 rotatably disposed on the circumferential wall of the fixed seat 3, preferably four lead screws 50, the four lead screws 50 are uniformly distributed along the circumferential direction of the fixed seat 3, one end of each lead screw 50 is rotatably disposed on the circumferential wall of the fixed seat 3, the other end of each lead screw extends into the cavity 30, a handle 55 is disposed at one end of each lead screw 50 located outside the fixed seat 3, one end of each lead screw 50 extending into the cavity 30 is rotatably connected with the supporting column 32, a sliding block 51 is disposed on the side wall of each lead screw 50, and one side of each; when the blank 01 is placed on the fixing seat 3, the screw rod 50 is rotated to drive the slide block 51 to move, so that the positioning component 4 is driven to move, and the blank 01 with different sizes can be adapted to.

Referring to fig. 2 and 3, a locking nut 52 is arranged on the side wall of the lead screw 50, the locking nut 52 abuts against the peripheral wall of the fixing seat 3, a limit ring 53 is arranged on one side of the locking nut 52 close to the fixing seat 3, a thread 54 is arranged on the outer side wall of the limit ring 53, and a ring groove 20 for screwing the limit ring 53 into is arranged on the outer side wall of the chassis 2; after the slide block 51 is adjusted to a proper position, the locking nut 52 is rotated, and the locking nut 52 is abutted against the side wall of the fixed seat 3, so that the possibility of reverse rotation of the lead screw 50 can be reduced, the possibility of backward movement of the slide block 51 can be reduced, and the possibility of movement of the blank 01 during milling can be reduced; the limiting ring 53 is screwed into the annular groove 20, so that the locking nut 52 can be connected with the fixing seat 3, and the stability of the locking nut 52 abutting against the fixing seat 3 is improved; the possibility of rotation of the lock nut 52 can be further reduced.

Referring to fig. 4, the positioning assembly 4 includes a sliding seat 40 disposed at one end of the sliding block 51 extending out of the sliding slot 31, the sliding seat 40 slides on the fixed seat 3, and an accommodating groove 42 is disposed at one side of the sliding seat 40 close to the blank 01.

Referring to fig. 5, two support rods 43 are disposed on the sidewall of the accommodating groove 42 and along the height direction of the chassis 2, the two support rods 43 are disposed opposite to each other in the left-right direction, a driving wheel 44 and a driven wheel 45 are respectively rotatably disposed on the sidewalls of the two support rods 43, the driving wheel 44 and the driven wheel 45 are engaged with each other, a rotation notch 46 communicated with the accommodating groove 42 is disposed on the sidewall of the sliding seat 40, and a rotation notch 46 extends from a side of the driving wheel 44 away from the driven wheel 45.

Referring to fig. 5 and 6, a positioning block 47 is arranged on the outer side wall of the sliding seat 40 and on one side close to the rotation notch 46, the positioning block 47 is arranged along the height direction of the sliding seat 40, a positioning hole 48 is arranged on the side wall of the positioning block 47, a spring 49 is arranged on the bottom wall of the hole of the positioning hole 48, a positioning rod 400 is arranged at one end of the spring 49 away from the bottom wall of the hole of the positioning hole 48, the axis of the positioning rod 400 is parallel to the supporting rod 43, a gear tooth 401 is arranged at one end of the positioning rod 400 away from the spring 49, one end of the gear tooth 401 away from the positioning rod 400 extends out of the positioning hole 48 and is inserted into the tooth groove of the driving wheel 401, a through hole 404 is arranged at one.

Referring to fig. 5 and 6, the sliding seat 40 is provided with a support block 41 on the side wall; the abutting block 41 comprises a connecting block 408 and an abutting block 402, wherein the connecting block 408 is arranged on the side wall of the driving wheel 44 and the driven wheel 45 respectively, the abutting block 402 is connected with the connecting block 408, the cross section of the abutting block 402 is in a triangular shape, one side of the abutting block 402 close to the blank 01 is provided with an abutting surface 403, and the two abutting surfaces 403 are arranged oppositely; according to the size of blank 01, pulling pull rod 405, break away from the action wheel 44 with teeth of a cogwheel 401, rotate action wheel 44, drive from the rotation of driving wheel 45, and then can adjust the angle between conflict face 403, conflict face 403 on the lateral wall of blank 01, loosen pull rod 405 again, spring 49 pops out locating hole 48 with locating lever 400, teeth of a cogwheel 401 inserts in the tooth's socket of action wheel 44, can fix action wheel 44 and follow driving wheel 45, thereby fixed contact block 402, and then fixed blank 01, with this blank 01 that can adapt to different sizes, increase the application scope of frock.

Referring to fig. 5, the opposite walls of the accommodating groove 42 are provided with a relief notch 406 for the collision block 402 to extend into; through the breach of stepping down 406, increase the pivoted space of conflict piece 402 to can increase the angle of adjustment conflict face 403, further can adapt to the blank 01 of different sizes.

Referring to fig. 4 and 5, when the blank 01 is milled, cutting fluid is poured on the milling cutter, and the cutting fluid flows into the accommodating groove 42 and the cavity 30 from the blank 01, so that a liquid discharge port 33 is formed in the peripheral wall of the fixed seat 3, the inner bottom wall of the fixed seat 3 is inclined, and the height of the cavity 30 is gradually reduced from the side close to the liquid discharge port 33 to the side far from the liquid discharge port 33; a through groove 407 is formed in the bottom wall of the accommodating groove 42, the through groove 407 is communicated with the sliding groove 31, the width of the through groove 407 is smaller than that of the sliding groove 31, the bottom wall of the accommodating groove 42 is inclined, the depth of the accommodating groove 42 decreases gradually from one side close to the through groove 407 to one side far away from the through groove 407, and therefore all cutting fluid can fall into the cavity 30; when the cutting fluid flows into the accommodating groove 42 from the blank 01, the cutting fluid can smoothly flow into the sliding groove 31 through the height difference of the bottom wall of the accommodating groove 42 and can be smoothly output from the liquid discharge port 33 through the height difference of the cavity 30, the possibility of accumulation of the cutting fluid in the accommodating groove 42 and the cavity 30 is reduced, and the cutting fluid can be conveniently recycled.

The implementation principle of the above embodiment is as follows: install chassis 2 on workstation 1 earlier, put blank 01 back on fixing base 3, according to the size of blank 01, utilize the position of adjusting range subassembly 5 to adjust locating component 4, fix a position blank 01 through a plurality of locating component 4 at last, be favorable to reducing blank 01 when milling, take place the possibility of removing, reduce the possibility that the size of optical lens takes place the error.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.

Claims

1. The utility model provides an optical lens blank lightweight milling process is with fixed frock which characterized in that: including setting up chassis (2) on workstation (1) and setting fixing base (3) on chassis (2), be equipped with locating component (4) that a plurality of is used for pressing from both sides tight blank (01) on fixing base (3), be equipped with roll adjustment subassembly (5) that are used for adjusting locating component (4) on fixing base (3).

2. The optical lens blank lightweight milling machining fixing tool as set forth in claim 1, characterized in that: a cavity (30) is arranged in the fixed seat (3), a plurality of sliding chutes (31) communicated with the cavity (30) are arranged on the top wall of the fixed seat (3), and a supporting column (32) is arranged in the fixed seat (3) and positioned at the geometric center of the fixed seat; roll adjustment subassembly (5) are including rotating a plurality of lead screw (50) that set up on fixing base (3) perisporium, a plurality of lead screw (50) are along the circumference equipartition of fixing base (3), lead screw (50) one end is rotated and is set up on the perisporium of fixing base (3), the other end stretches into cavity (30), lead screw (50) stretch into the one end and support column (32) of cavity (30) and rotate and be connected, be equipped with slider (51) on the lateral wall of lead screw (50), spout (31) are stretched out to one side that chassis (2) were kept away from in slider (51), be equipped with lock nut (52) on the lateral wall of lead screw (50), lock nut (52) are contradicted with the perisporium of fixing base (3).

3. The optical lens blank lightweight milling machining fixing tool as set forth in claim 2, characterized in that: one side that lock nut (52) are close to fixing base (3) is equipped with spacing ring (53), be equipped with screw thread (54) on the lateral wall of spacing ring (53), be equipped with annular (20) that supply spacing ring (53) screw in on the lateral wall of chassis (2).

4. The optical lens blank lightweight milling machining fixing tool as set forth in claim 3, characterized in that: the peripheral wall of the fixed seat (3) is provided with a liquid outlet (33), the inner bottom wall of the fixed seat (3) is inclined, and the height of the cavity (30) is gradually reduced from one side close to the liquid outlet (33) to one side far away from the liquid outlet (33).

5. The optical lens blank lightweight milling machining fixing tool as set forth in claim 4, characterized in that: the positioning assembly (4) comprises a sliding seat (40) arranged at one end, extending out of the sliding groove (31), of the sliding block (51), and a propping block (41) is arranged on the side wall of the sliding seat (40).

6. The optical lens blank lightweight milling machining fixing tool as set forth in claim 5, characterized in that: an accommodating groove (42) is formed in one side, close to the blank (01), of the sliding seat (40); two supporting rods (43) are arranged on the side wall of the accommodating groove (42), the two supporting rods (43) are arranged oppositely and are arranged along the height direction of the chassis (2), a driving wheel (44) and a driven wheel (45) are respectively and rotatably arranged on the side wall of the two supporting rods (43), the driving wheel (44) and the driven wheel (45) are meshed with each other, a rotating notch (46) communicated with the accommodating groove (42) is arranged on the side wall of the sliding seat (40), and one side, far away from the driven wheel (45), of the driving wheel (44) extends out of the rotating notch (46); a positioning block (47) is arranged on the outer side wall of the sliding seat (40) and in the height direction of the sliding seat (40), a positioning hole (48) is formed in the side wall of the positioning block (47), a spring (49) is arranged on the bottom wall of the positioning hole (48), a positioning rod (400) is arranged at one end, away from the bottom wall of the positioning hole (48), of the spring (49), a gear tooth (401) is arranged at one end, away from the spring (49), of the positioning rod (400), and one end, away from the positioning rod (400), of the gear tooth (401) extends out of the positioning hole (48) and is inserted into a gear groove of the driving wheel (;

the abutting block (41) comprises abutting blocks (402) which are respectively arranged on the side walls of a driving wheel (44) and a driven wheel (45), one side, close to the blank (01), of each abutting block (402) is provided with an abutting surface (403), and the abutting surfaces (403) are oppositely arranged.

7. The optical lens blank lightweight milling machining fixing tool as set forth in claim 6, characterized in that: and the opposite groove walls of the accommodating groove (42) are provided with abdicating notches (406) for the collision blocks (402) to extend into.

8. The optical lens blank lightweight milling machining fixing tool as set forth in claim 6, characterized in that: be equipped with on the tank bottom wall of holding tank (42) and lead to groove (407), lead to groove (407) with spout (31) intercommunication sets up, the diapire of holding tank (42) is the slope form, the groove depth of holding tank (42) is by being close to one side that leads to groove (407) to keeping away from one side that leads to groove (407) and progressively decrease.