CN214502313U - Thickness measuring device for optical lens - Google Patents

Abstract

The application relates to a thickness measurement device for optical lens piece is applied to optical lens piece processing technology field, and it includes a supporting bench and sets up the dead lever on a supporting bench, be equipped with the digital display amesdial on the dead lever, be equipped with the setting element that is used for going on fixing a position the lens on the supporting bench, be connected with the platform of placing that is used for placing the lens on the setting element. This application carries out accurate location to the lens through the setting element to reach the effect of location lens, increased the stability of lens, reduce the possibility that the skew appears in the in-process of lens at the location, with the accuracy nature that promotes the measuring result, be favorable to promoting the qualification rate of lens.

Description

Thickness measuring device for optical lens

Technical Field

The application relates to the technical field of optical lens processing, in particular to a thickness measuring device for an optical lens.

Background

When the existing measuring tool detects the thickness of the concave-convex-shaped optical lens, the lens to be measured is placed on a horizontal working table, the weight of the lens is stable, the lens is vertically measured by a dial indicator, and the closest size is usually found by measuring a number of points in order to improve the precision, so that the measuring error exists, the stability is greatly uncertain due to the eccentricity degree of the lens, and the surface cleaning degree of a plane or the surface of the lens, and the qualification rate of the glass in the optical processing process is influenced.

Chinese patent publication No. CN206593572U discloses a tool for accurately measuring the center thickness of an optical lens, which comprises a horizontal workbench, a vertical fixing frame, a dial indicator, wherein the vertical fixing frame is vertically connected with the horizontal workbench through threads, and the dial indicator is fixed on the vertical fixing frame; the horizontal workbench is vertically connected with a correction connecting seat through threads, the optical glass measuring clamp is vertically inserted into a groove of the correction connecting seat, a dial indicator head is suspended right above the optical glass measuring clamp, and the center of the dial indicator head and the center of the optical glass clamp are on the same axis; a gap capable of being finely adjusted is formed between the outer diameter of the lower end of the optical glass measuring clamp and the inner diameter of the groove of the correction connecting seat, and a plurality of fastening positioning screws are arranged on the outer side of the correction connecting seat.

To the above-mentioned correlation technique, the inventor thinks that the above-mentioned thickness measurement device needs to fix a position the lens through the manual work when measuring the lens, and the manual work location lens precision is not enough, and the poor stability of lens has the error easily when measuring, leads to the measuring result inaccurate to influence the qualification rate of lens.

SUMMERY OF THE UTILITY MODEL

The application provides a thickness measuring device for optical lens, aiming at improving the problems of insufficient precision of manual positioning of the lens and poor stability of the lens.

The application provides a thickness measurement device for optical lens adopts following technical scheme:

a thickness measuring device for an optical lens, characterized in that: the lens fixing device comprises a supporting table and a fixing rod arranged on the supporting table, wherein a digital display dial indicator is arranged on the fixing rod, a positioning piece used for positioning the lens is arranged on the supporting table, and a placing table used for placing the lens is arranged on the supporting table.

Through adopting above-mentioned technical scheme, at the in-process of measuring the lens, the operator contradicts the gauge head of digital display amesdial in placing the bench, the operator returns to zero to the digital display amesdial, the operator removes the setting element, place the lens at placing the bench, the operator is fixed in the lens through the setting element this moment and places the bench, in order to reach the effect of location lens, thereby the stability of lens has been increased, and then reduce the possibility that the lens squinted in the in-process of location, in order to promote measuring result's accuracy nature, be favorable to promoting the qualification rate of lens.

Optionally, a sliding groove is formed in the supporting table, the positioning element comprises a first sliding block and a second sliding block which are arranged in the sliding groove in a sliding mode, a positioning shaft is arranged between the first sliding block and the second sliding block, the positioning shaft is fixed to the supporting table, the placing table is fixed to one end, away from the supporting table, of the positioning shaft, a first limiting clamp is arranged on the first sliding block, a second limiting clamp is arranged on the second sliding block, a first connecting rod is connected to the positioning shaft in a rotating mode, one end of the first connecting rod is hinged to a second connecting rod, one end, away from the second connecting rod, of the first connecting rod is hinged to a third connecting rod, one end, away from the first connecting rod, of the second connecting rod is hinged to the second sliding block, and one end, away from the first connecting rod, of the third connecting rod is hinged to the first sliding block.

By adopting the technical scheme, an operator slides the first sliding block to the direction far away from the positioning shaft, the sliding groove limits the moving direction of the sliding block, so that the sliding block makes linear motion, thereby guiding the first sliding block and the second sliding block, at the moment, the first sliding block drives the first connecting rod to rotate through the third connecting rod, the first connecting rod pushes the second sliding block to move to one side far away from the positioning shaft through the second connecting rod, so that the first limiting clamp and the second limiting clamp simultaneously move to the side away from each other, the operator places the lens on the placing table, then the operator reversely pushes the first sliding block, so that the first limiting clamp and the second limiting clamp simultaneously approach to the lens and simultaneously abut against the lens, thereby achieving the effect of positioning the lens, increasing the stability of the lens, reducing the possibility of errors during lens measurement and further increasing the accuracy of the measurement result, meanwhile, the first limiting clamp and the second limiting clamp can adapt to lenses of different sizes, the lenses of different sizes are convenient to position, and the application range of the positioning piece is enlarged.

Optionally, the supporting table is provided with a pressing plate on one side of the first slider far away from the positioning shaft, the pressing plate is fixedly connected with a first spring on one side of the first slider, one end of the first spring far away from the pressing plate is abutted against the first slider, and when the first limiting clamp and the second limiting clamp are abutted, the first spring is in a partially compressed state.

Through adopting above-mentioned technical scheme, when fixing a position the lens, first slider compresses first spring, first spring has elastic restoring force by the compression, first spring promotes first slider and removes to the second slider under the effect of elastic restoring force, make first slider and second slider remove to relative one side, thereby first spacing clamp and second spacing clamp support tightly on the lens all the time, and then increased the stability of lens, in order to reduce the possibility that separation appears in first spacing clamp and second spacing clamp.

Optionally, a groove is formed in one end, far away from the supporting table, of the placing table, a pushing block is arranged in the groove in a sliding mode, a second spring is connected to the bottom wall of the groove, one end, far away from the bottom wall of the groove, of the second spring abuts against the pushing block, and in a normal state, the second spring pushes a part of the pushing block to stretch out of the groove.

Through adopting above-mentioned technical scheme, in-process that advances line location to the lens, the operator removes first slider, thereby place the lens on promoting the piece, the operator presses the lens and makes to promote the piece flush with placing the platform, the operator removes first slider again, make first spacing clamp support the lens simultaneously tightly on promoting the piece with the second spacing clamp, fix the lens, it compresses the second spring to promote the piece this moment, the second spring is compressed and has elastic restoring force, the first slider of operator's reverse movement, the second spring promotes the piece under the effect of elastic restoring force, it jacks up the lens to promote the piece, thereby be convenient for the operator to take up the lens, the convenience of operator's operation has been increased.

Optionally, the side wall of the placing table is provided with a jack communicated with the groove, the side wall of the pushing block is provided with a limiting hole, and an inserting rod inserted into the limiting hole is arranged in the jack in a penetrating manner.

Through adopting above-mentioned technical scheme, the operator will promote the piece and press during the measurement, make the up end that promotes the piece flush with placing the platform, jack and spacing hole align this moment, then the operator inserts jack and spacing hole with the inserted bar simultaneously, thereby fix promoting the piece, increased the stability that promotes the piece, be convenient for return to zero to the digital display amesdial, after the measurement, the operator extracts the inserted bar, promote the piece with the lens jack-up, thereby will promote the lens on the piece and take off.

Optionally, a sleeve is sleeved on the fixed rod, a digital display dial indicator is connected to the sleeve, and a limiting part for fixing the sleeve is arranged at one end of the sleeve facing the supporting platform.

Through adopting above-mentioned technical mode, the operator promotes the sleeve and removes along dead lever length direction, and the sleeve can be adjusted the height of digital display amesdial to the digital display amesdial of being convenient for measures the lens, has increased measuring convenience, makes things convenient for the operator to measure the lens of different thickness.

Optionally, the locating part is including setting up the limiting plate on the sleeve, one side that the limiting plate deviates from the brace table and keeps away from the dead lever is equipped with the stopper, wear to be equipped with the gag lever post on the stopper, the gag lever post is fixed in on the sleeve, telescopic one end is kept away from to the gag lever post is equipped with the baffle, the cover is equipped with the third spring on the gag lever post, third spring one end is contradicted on the baffle, the other end contradict in on the stopper, the limiting plate is equipped with the fixture block towards the one end of dead lever, a plurality of and fixture block matched with spacing grooves have been seted up along length direction to the dead lever, the fixture block is pegged graft in one of them spacing inslot, the third spring is in partial compression state.

Through adopting above-mentioned technical scheme, when the sleeve removes, the operator pulls open the limiting plate along the dead lever to the one side of keeping away from the dead lever earlier, break away from the spacing groove until the fixture block, the operator removes the sleeve along dead lever length direction again, after the sleeve removed suitable position, the operator loosens the limiting plate and pegs graft the fixture block in the spacing groove, the spacing groove restricts the fixture block, in order to reach fixed telescopic effect, the stopper compresses the third spring simultaneously, the third spring has elastic restoring force under the compression, the third spring supports the limiting plate tightly on the dead lever under the effect of elastic restoring force, thereby the stability of being connected between sleeve and the dead lever has been increased, and then reduce dead lever and the sleeve possibility that becomes flexible appear.

Optionally, a fourth spring is arranged between one end, away from the supporting table, of the fixed rod and the top wall of the sleeve, one end of the fourth spring abuts against the fixed rod, and the other end of the fourth spring abuts against the sleeve.

Through adopting above-mentioned technical scheme, when the sleeve removed towards the dead lever, the sleeve compressed the fourth spring, and the fourth spring has elastic restoring force by compression, and the fourth spring has the effect of buffering energy-absorbing under the effect of elastic restoring force to play the cushioning effect to the sleeve, increased the stability when the sleeve removed, in order to reach the telescopic effect of stable removal.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the lens is accurately positioned by the positioning piece, so that the effect of positioning the lens is achieved, the stability of the lens is improved, the possibility of deviation of the lens in the positioning process is reduced, the accuracy of a measuring result is improved, and the qualification rate of the lens is favorably improved;

2. the first limiting clamp and the second limiting clamp are used for positioning the lenses, so that the positioning device can adapt to lenses with different sizes, the lenses with different sizes can be conveniently positioned, and the application range of the positioning device is enlarged;

3. can adjust the height of digital display amesdial through the sleeve, the digital display amesdial of being convenient for measures the lens, has increased measuring convenience, makes things convenient for the operator to measure the lens of different thickness.

Drawings

Fig. 1 is a schematic overall structure diagram of an embodiment of the present application.

Fig. 2 is a schematic structural diagram for embodying a limiting element according to an embodiment of the present application.

Fig. 3 is a schematic structural diagram for embodying a positioning element according to an embodiment of the present application.

Fig. 4 is a schematic structural diagram for embodying a placing table in an embodiment of the present application.

Fig. 5 is a schematic structural diagram for embodying the insert rod according to the embodiment of the present application.

Description of reference numerals: 1. a support table; 2. a dial indicator is displayed in a digital mode; 3. a placing table; 31. a groove; 32. a second spring; 33. a pushing block; 34. a limiting hole; 35. a jack; 36. inserting a rod; 4. a positioning member; 41. a sliding groove; 42. a first slider; 43. a second slider; 44. positioning the shaft; 45. a first connecting rod; 46. a second connecting rod; 47. a third connecting rod; 48. a first limit clamp; 49. a second limit clamp; 5. fixing the rod; 51. a limiting groove; 6. pressing a plate; 61. a first spring; 7. a sleeve; 71. a fourth spring; 8. a limiting member; 81. a limiting plate; 82. a limiting block; 83. a limiting rod; 84. a third spring; 85. a clamping block; 86. a baffle plate; 9. an L-shaped connecting rod.

Detailed Description

The present application is described in further detail below with reference to figures 1-5.

The embodiment of the application discloses a thickness measuring device for an optical lens.

Referring to fig. 1, thickness measurement device includes a supporting bench 1 and sets up dead lever 5 on a supporting bench 1, and the cover is equipped with sleeve 7 on dead lever 5, and sleeve 7 slides and sets up on dead lever 5, and sleeve 7 is equipped with locating part 8 that is used for fixed sleeve 7 towards a supporting bench 1's one end, is fixed with the digital display amesdial 2 that is used for measuring the lens on the sleeve 7, can go up and down to digital display amesdial 2 through sleeve 7. The supporting table 1 is provided with a positioning piece 4 for positioning the lens, and the positioning piece 4 is connected with a placing table 3 for placing the lens.

Referring to fig. 1, the operator adjusts through the height of removal sleeve 7 pair display amesdial 2 for the gauge head of digital display amesdial 2 with place the platform 3 contact, thereby pair display amesdial 2 returns to zero, the operator places the lens on placing platform 3 again, the operator is fixed in the lens through setting element 4 and places the platform 3 on, carries out accurate location to the lens, thereby the possibility of error appears when reducing the measurement, increases the accuracy that detects.

Referring to fig. 2, the limiting member 8 includes a limiting rod 83 fixed on the side wall of the sleeve 7, the limiting rod 83 is located at one end of the sleeve 7 close to the supporting table 1, the two limiting rods 83 are arranged in two, the two limiting rods 83 are symmetrically distributed along the axis of the sleeve 7, and the two limiting rods 83 are all sleeved with one limiting block 82. A baffle 86 is fixed at one end of the limiting rod 83 far away from the sleeve 7, a third spring 84 is sleeved on the limiting rod 83 between the limiting block 82 and the baffle 86, one end of the third spring 84 abuts against the limiting block 82, and the other end abuts against the baffle 86. Stopper 82 is fixed with limiting plate 81 towards the one end of propping up supporting bench 1, and limiting plate 81 is equipped with fixture block 85 towards one side of dead lever 5, and dead lever 5 is seted up along the peripheral direction with fixture block 85 matched with annular spacing groove 51, and spacing groove 51 has evenly seted up a plurality of along the 5 vertical directions of dead lever, and fixture block 85 inlays and locates in one of them spacing groove 51, and spacing groove 51 is spacing to fixture block 85 to reach fixing sleeve 7's effect.

Referring to fig. 2, the third spring 84 is compressed by the limiting block 82 and the blocking plate 86, the third spring 84 has an elastic restoring force when compressed, and the limiting plate 81 is abutted against the fixing rod 5 by the third spring 84 under the action of the elastic restoring force, so that the sleeve 7 is fixed. When the operator needs to remove sleeve 7, the operator removes limiting plate 81 to one side of keeping away from dead lever 5 earlier, make fixture block 85 break away from in the spacing groove 51, the operator removes sleeve 7 along 5 length direction of dead lever again, the operator removes sleeve 7 to suitable position after, the operator loosens limiting plate 81, the third spring supports limiting plate 81 tightly on dead lever 5 under the effect of elastic restoring force, make fixture block 85 peg graft in spacing groove 51, in order to reach fixed sleeve 7's effect.

Referring to fig. 2, a fourth spring 71 is disposed between one end of the fixing rod 5 away from the supporting platform 1 and the sleeve 7, one end of the fourth spring 71 abuts against the fixing rod 5, and the other end is fixed on the sleeve 7. When the sleeve 7 lifts the dial indicator 2, the sleeve 7 compresses the fourth spring 71, the fourth spring 71 is compressed to have elastic restoring force, and the fourth spring 71 has the buffering and energy absorbing effects under the action of the elastic restoring force, so that the sleeve 7 is buffered to increase the stability of the sleeve 7 during movement.

Referring to fig. 3 and 4, the positioning member 4 includes a first slider 42 and a second slider 43, two sliding grooves 41 are formed in the support table 1, the first slider 42 is slidably disposed in one of the sliding grooves 41, the second slider 43 is slidably disposed in the other sliding groove 41, a positioning shaft 44 is disposed between the two sliding grooves 41 in the support table 1, the positioning shaft 44 is fixed to the support table 1, and the placing table 3 is fixed to the positioning shaft 44. The positioning shaft 44 is rotatably connected with a first connecting rod 45, two ends of the first connecting rod 45 are respectively hinged with a second connecting rod 46 and a third connecting rod 47, one end, away from the first connecting rod 45, of the second connecting rod 46 is hinged on the second sliding block 43, one end, away from the first connecting rod 45, of the third connecting rod 47 is hinged on the first sliding block 42, and when the first connecting rod 45 rotates, the first connecting rod 45 drives the second connecting rod 46 and the third connecting rod 47 to move.

Referring to fig. 3 and 4, the first slider 42 and the second slider 43 are both fixed with an L-shaped connecting rod 9, the first slider 42 is connected with a first limiting clamp 48 through the L-shaped connecting rod 9, the second slider 43 is connected with a second limiting clamp 49 through the L-shaped connecting rod 9, an included angle between inner walls of the first limiting clamp 48 or the second limiting clamp 49 can be 90 °, openings of the first limiting clamp 48 and the second limiting clamp 49 are oppositely arranged, and the first limiting clamp 48 and the second limiting clamp 49 can mutually abut against each other and are in a regular quadrangle shape. The supporting table 1 is provided with a pressing plate 6 on one side of the first sliding block 42, which is far away from the second sliding block 43, the pressing plate 6 is fixed on the supporting table 1, a first spring 61 is arranged between the pressing plate 6 and the first sliding block 42, one end of the first spring 61 is fixed on the pressing plate 6, the other end of the first spring is fixed on the first sliding block 42, in a normal state, the first limiting clamp 48 is abutted to the second limiting clamp 49, and the first spring 61 is in a partial compression state.

Referring to fig. 3 and 4, in the process of positioning the lens, the operator slides the first slider 42 in a direction away from the positioning shaft 44, and the sliding groove 41 limits the moving direction of the first slider 42 and the second slider 43, thereby guiding the first slider 42 and the second slider 43. At this time, the first slider 42 pushes the first connecting rod 45 to rotate through the third connecting rod 47, the first connecting rod 45 rotates on the positioning shaft 44 and pushes the second slider 43 to move to one side far away from the positioning shaft 44 through the second connecting rod 46, and at this time, the first limiting clamp 48 and the second limiting clamp 49 simultaneously move to one side far away from each other, so that the first slider 42 compresses the first spring 61, and the first spring 61 is compressed and has elastic restoring force.

Referring to fig. 3 and 4, the operator places the lens on the placing table 3, releases the first sliding block 42, and the first spring 61 pushes the first sliding block 42 under the action of the elastic restoring force, so that the first sliding block 42 and the second sliding block 43 move to the opposite side, and the first limiting clamp 48 and the second limiting clamp 49 are simultaneously abutted against the lens, so as to achieve the effect of fixing the lens.

Referring to fig. 4 and 5, a groove 31 is formed in one end of the placing table 3 far away from the positioning shaft 44, a pushing block 33 is arranged in the groove 31 in a sliding mode, the cross sections of the pushing block 33 and the groove 31 are circular, a second spring 32 is arranged between the pushing block 33 and the bottom wall of the groove 31, one end of the second spring 32 is fixed to the bottom wall of the groove 31, and the other end of the second spring 32 is fixed to the pushing block 33. In a normal state, the second spring 32 pushes a part of the pushing block 33 to extend out of the groove 31. One side of the placing table 3, which is far away from the fixing rod 5, is provided with a jack 35 communicated with the groove 31, the side wall of the pushing block 33, which faces the jack 35, is provided with a limiting hole 34, and an inserting rod 36 which is inserted into the limiting hole 34 is arranged in the jack 35 in a penetrating manner.

Referring to fig. 4 and 5, in the process of placing the lens, the operator presses the pushing block 33, so that the upper end surface of the pushing block 33 is flush with the placing table 3, at the moment, the insertion hole 35 is aligned with the limiting hole 34, the operator inserts the insertion rod 36 into the insertion hole 35 and the limiting hole 34 simultaneously to achieve the effect of fixing the pushing block 33, the operator can conveniently zero the digital display dial indicator 2, meanwhile, the pushing block 33 compresses the second spring 32, and the second spring 32 has elastic restoring force after being compressed.

Referring to fig. 4 and 5, after the measurement is finished, the operator moves the sleeve 7, moves the digital display dial indicator 2 in the direction away from the placing table 3, separates the first limiting clamp 48 from the second limiting clamp 49, extracts the inserting rod 36 out of the limiting hole 34, pushes the pushing block 33 by the second spring 32 under the action of elastic restoring force, pushes the lens by the pushing block 33, and accordingly the operator can take up the lens.

The implementation principle of the thickness measuring device for the optical lens in the embodiment of the application is as follows: carry out the in-process of measuring to the lens, the operator will promote piece 33 and press, make the up end that promotes piece 33 flush with placing platform 3, jack 35 aligns with spacing hole 34 this moment, the operator passes jack 35 and spacing hole 34 simultaneously with inserted bar 36 again, it fixes to promote piece 33, the operator goes up and down to sleeve 7, and fix sleeve 7 through locating part 8, make digital display amesdial 2's gauge head contradict on promoting piece 33, so that go back to zero to digital display amesdial 2. The operator removes first slider 42 to 6 directions of clamp plate again for first spacing clamp 48 and second spacing clamp 49 remove to the direction of separating from the back simultaneously, the operator places the lens on placing platform 3, the gauge head of digital display amesdial 2 is contradicted on the lens this moment, the operator loosens first slider 42, first slider 42 supports tightly on the lens simultaneously first spacing clamp 48 and second spacing clamp 49 under the effect of the elastic restoring force of first spring 61, in order to reach the effect of fixed lens. The operator operates in the reverse direction, and can take up the lens from the placing table 3.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (8)

1. A thickness measuring device for an optical lens, characterized in that: including brace table (1) and setting dead lever (5) on brace table (1), be equipped with digital display amesdial (2) on dead lever (5), be equipped with on brace table (1) and be used for carrying out setting element (4) of fixing a position to the lens, be equipped with on brace table (1) and be used for placing platform (3) of placing the lens.

2. The thickness measuring device for an optical lens according to claim 1, characterized in that: a sliding groove (41) is formed in the supporting platform (1), the positioning element (4) comprises a first sliding block (42) and a second sliding block (43) which are arranged in the sliding groove (41) in a sliding mode, a positioning shaft (44) is arranged between the first sliding block (42) and the second sliding block (43), the positioning shaft (44) is fixed on the supporting platform (1), the placing platform (3) is fixed at one end, far away from the supporting platform (1), of the positioning shaft (44), a first limiting clamp (48) is arranged on the first sliding block (42), a second limiting clamp (49) is arranged on the second sliding block (43), a first connecting rod (45) is rotatably connected to the positioning shaft (44), a second connecting rod (46) is hinged to one end of the first connecting rod (45), and a third connecting rod (47) is hinged to one end, far away from the second connecting rod (46), of the first connecting rod (45), one end, far away from the first connecting rod (45), of the second connecting rod (46) is hinged to the second sliding block (43), and one end, far away from the first connecting rod (45), of the third connecting rod (47) is hinged to the first sliding block (42).

3. The thickness measuring device for an optical lens according to claim 2, characterized in that: the supporting table (1) is provided with a pressing plate (6) on one side of a first sliding block (42) far away from a positioning shaft (44), the pressing plate (6) is fixedly connected with a first spring (61) towards one side of the first sliding block (42), one end of the first spring (61) far away from the pressing plate (6) is abutted to the first sliding block (42), and when the first limiting clamp (48) and the second limiting clamp (49) are abutted to each other, the first spring (61) is in a partial compression state.

4. The thickness measuring device for an optical lens according to claim 1, characterized in that: place one end that platform (3) kept away from supporting bench (1) and set up recess (31), it promotes piece (33) to slide in recess (31), be connected with second spring (32) on recess (31) diapire, the one end that recess (31) were kept away from in second spring (32) is contradicted on promoting piece (33), and during the normality, second spring (32) promote some and promote piece (33) and stretch out recess (31).

5. The thickness measuring device for an optical lens according to claim 4, characterized in that: the side wall of the placing table (3) is provided with a jack (35) communicated with the groove (31), the side wall of the pushing block (33) is provided with a limiting hole (34), and an inserting rod (36) inserted in the limiting hole (34) is arranged in the jack (35) in a penetrating mode.

6. The thickness measuring device for an optical lens according to claim 5, characterized in that: the fixing rod (5) is sleeved with a sleeve (7), the sleeve (7) is connected with a digital display dial indicator (2), and one end, facing the supporting platform (1), of the sleeve (7) is provided with a limiting part (8) used for fixing the sleeve (7).

7. The thickness measuring device for an optical lens according to claim 6, characterized in that: the limiting part (8) comprises a limiting plate (81) arranged on the sleeve (7), one side, away from the support platform (1), of the limiting plate (81) and away from the fixing rod (5) is provided with a limiting block (82), the limiting block (82) is provided with a limiting rod (83) in a penetrating manner, the limiting rod (83) is fixed on the sleeve (7), one end, away from the sleeve (7), of the limiting rod (83) is provided with a baffle (86), the limiting rod (83) is sleeved with a third spring (84), one end of the third spring (84) abuts against the baffle (86), the other end of the third spring abuts against the limiting block (82), one end, facing the fixing rod (5), of the limiting plate (81) is provided with a clamping block (85), the fixing rod (5) is provided with a plurality of limiting grooves (51) matched with the clamping block (85) along the length direction, and the clamping block (85) is inserted into one of the limiting grooves (51), the third spring (84) is in a partially compressed state.

8. The thickness measuring device for an optical lens according to claim 5, characterized in that: a fourth spring (71) is arranged between one end, far away from the supporting table (1), of the fixing rod (5) and the top wall of the sleeve (7), one end of the fourth spring (71) is abutted to the fixing rod (5), and the other end of the fourth spring (71) is abutted to the sleeve (7).

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