Optical lens thickness detection device
By designing an optical lens thickness detection device including a transverse shifting mechanism and a longitudinal shifting mechanism, the problem of detecting all parts of the lens in the prior art is solved, and the effect of multi-position thickness detection and flatness determination of the lens is realized.
Patent Information
- Application Number
- CN202421736470.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-22
- Publication Date
- 2025-04-29
- Estimated Expiration
- 2034-07-22
AI Technical Summary
The existing lens thickness detection device cannot detect all parts of the lens, resulting in insufficient comprehensive measurement results.
An optical lens thickness detection device including a transverse shifting mechanism and a longitudinal moving mechanism is designed. Through the cooperation of the transverse shifting mechanism and the longitudinal moving mechanism, the thickness detection of the lens in multiple positions is realized, and the lens is stably placed and pressed through a U-shaped placement seat, a compression screw and a pressing plate.
The thickness detection of the lens is realized at multiple positions to ensure the comprehensiveness and accuracy of the measurement results, and at the same time, the flatness of the lens during the measurement process can be judged.
Smart Images
Figure CN222812308U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of lens inspection, in particular to an optical lens thickness detection device. Background Art
[0002] Optical lenses are indispensable in optical instruments. Optical lenses are usually made of glass sheets mixed with high-purity oxides of silicon, boron, sodium, potassium, etc. according to a specific formula. In order to ensure the later use effect of the optical lenses, the thickness of the optical lenses is generally tested after the optical lenses are completed.
[0003] Optical lenses need to be clamped during testing to ensure accurate measurement structure. Some existing lens thickness detection devices are unable to detect all parts of the lens during thickness detection, which may easily lead to incomplete measurement results. Utility Model Content
[0004] In view of the problems existing in the prior art, the utility model discloses an optical lens thickness detection device, which adopts the technical scheme of comprising a base frame, a transverse movement mechanism, a transverse movement assembly block, a fixed frame, a U-shaped placement seat, a clamping screw, a pressure plate, a longitudinal movement mechanism, a longitudinal movement assembly block, a protruding plate, a U-shaped frame, an upper shaft body, an upper circular plate, an upper tightening spring, an upper pressure plate, an upper scale groove, a lower shaft body, a lower top plate, a lower tightening spring and a lower scale groove, a transverse movement mechanism is arranged on the base frame, and the transverse movement assembly block is installed through the transverse movement mechanism, and the fixed frames are fixed on the transverse movement assembly blocks on the front and rear sides, and the fixed frames The four corners are integrally formed with a U-shaped placement seat, and a clamping screw is installed on the U-shaped placement seat. A pressure plate is fixed on the protruding end below. The four positions of the lens are compressed by rotating the clamping screws with the pressure plate to ensure the stability of the detection and the correctness of the results. The transverse movement assembly block can move laterally under the action of the transverse movement mechanism. When it moves laterally, it can move the position of the lens pressed and placed above. A longitudinal movement mechanism is set in the middle position of the lower surface of the base frame, and the longitudinal movement assembly block is installed through it. The lower end of the longitudinal movement assembly block extends under the longitudinal movement mechanism and is moved in the extension. A protruding plate is integrally formed on the right side surface of the protruding part, and the protruding plate is fixedly connected to the U-shaped frame. The longitudinal moving mechanism can drive the longitudinal moving mounting block to move in the front and rear directions. Through holes are opened at the two end positions of the U-shaped frame, and the upper shaft body and the lower shaft body both pass through the through holes. The upper circular plate is fixed on the upper end of the upper shaft body, and the lower surface of the upper circular plate is connected to the upper surface of the U-shaped frame through an upper tightening spring. The upper pressure plate is fixed at the lower end of the upper shaft body, and the upper scale groove is distributed on the lower half of the upper shaft body. The lower top plate is fixed on the upper end of the lower shaft body, and the lower surface of the lower top plate is connected to the U-shaped frame through a lower tightening spring, and the lower scale groove is distributed on the lower half of the lower shaft body Under the action of the tightening spring and the holding spring, the upper pressure plate and the lower top plate respectively rest on the upper and lower surfaces of the lens, and readings are taken according to the scale grooves. When the lower surface and upper surface of the upper pressure plate and the lower top plate are in the same plane as the lower surface inside the U-shaped placement seat, the readings of the upper scale groove and the lower scale groove at this time are set to zero. When the lens moves with the transverse movement mechanism and the manually driven longitudinal movement mechanism drives the U-shaped frame to move, it is also possible to observe whether the upper scale groove and the lower scale groove change. This not only realizes multi-position measurement, but also can judge whether the lens is flat during the measurement process.
[0005] As an optimal technical solution of the utility model, the transverse movement mechanism includes a chassis mounting groove, a transverse movement screw, a transverse fixed shaft and a transverse driving button. The chassis mounting grooves are opened on the front and rear sides of the chassis. The transverse movement screws are rotatably installed in the chassis mounting grooves on the front and rear sides respectively, and the transverse fixed shaft is fixedly installed. The transverse movement screw is driven by the transverse driving button. The transverse movement matching block is located in the chassis mounting groove. The front transverse movement matching block is installed in cooperation with the transverse movement screw, and the rear transverse movement matching block is movably fitted with the transverse fixed shaft. The transverse driving button is manually rotated to drive the transverse movement screw to rotate so that the transverse movement matching block installed in cooperation with it moves along the chassis mounting groove. During the movement, the fixed frame connected above it moves to change the position of the lens.
[0006] As a preferred technical solution of the utility model, the inner lower surface of the U-shaped placement seat is grooved, and the roller is rotatably installed in the groove. The pressure plate is made of rubber, and the upper pressure plate and the lower top plate are both made of hard rubber.
[0007] As a preferred technical solution of the utility model, the longitudinal moving mechanism includes a longitudinal rod, a longitudinal mounting groove, a longitudinal screw and a longitudinal driving button. A longitudinal rod is fixed to the lower surface of the middle part of the base frame. A longitudinal mounting groove is opened on the longitudinal rod and the longitudinal screw is rotatably installed in the longitudinal rod. The longitudinal screw is driven by the longitudinal driving button, and the longitudinal moving mounting block is installed in the longitudinal mounting groove in cooperation with the longitudinal screw.
[0008] As a preferred technical solution of the utility model, a U-shaped stabilizing bar is fixed on the rear side of the base frame, and the stabilizing bar is provided with front and rear through grooves. The horizontal part of the rod body on the lower side of the U-shaped frame passes through the through groove. The setting of the through groove can provide another support for the U-shaped frame to maintain its stability during movement.
[0009] The beneficial effects of the utility model are as follows: the lens is placed and pressed by means of a U-shaped placement seat, a clamping screw and a pressure plate; the position of the lens can be changed under the action of a transverse movement mechanism; the U-shaped frame can be moved in the front-rear direction driven by a longitudinal movement mechanism; the movement can drive the position of the lower shaft and the upper shaft to change, that is, the thickness of the lens at different positions can be detected; and the stability of the U-shaped frame during movement can be improved by setting a stabilizing rod and a through groove. BRIEF DESCRIPTION OF THE DRAWINGS
[0010] Figure 1 It is a schematic diagram of the structure of the utility model;
[0011] Figure 2 It is a right side view of the utility model;
[0012] Figure 3 It is a schematic diagram of the rear structure of the utility model.
[0013] In the figure: base frame 1, base frame mounting groove 2, transverse moving screw 3, transverse fixed shaft 4, transverse driving button 5, transverse moving mounting block 6, fixed frame 7, U-shaped placement seat 8, roller 81, clamping screw 9, pressure plate 10, longitudinal rod 11, longitudinal mounting groove 12, longitudinal screw 13, longitudinal driving button 15, longitudinal moving mounting block 16, protruding plate 17, U-shaped frame 18, stabilizing rod 181, through groove 182, upper shaft body 19, upper circular plate 20, upper tightening spring 21, upper pressure plate 22, upper scale groove 23, lower shaft body 24, lower top plate 25, lower tightening spring 26, lower scale groove 27. DETAILED DESCRIPTION Example 1
[0014] like Figures 1 to 3 As shown, the utility model discloses an optical lens thickness detection device, which adopts the technical scheme of comprising a base frame 1, a transverse movement mechanism, a transverse movement assembly block 6, a fixed frame 7, a U-shaped placement seat 8, a clamping screw 9, a pressure plate 10, a longitudinal movement mechanism, a longitudinal movement assembly block 16, a protruding plate 17, a U-shaped frame 18, an upper shaft body 19, an upper circular plate 20, an upper tightening spring 21, an upper pressure plate 22, an upper scale groove 23, a lower shaft body 24, a lower top plate 25, a lower clamping spring 26 and a lower scale groove 27; a transverse movement mechanism is arranged on the base frame 1, and the transverse movement assembly block 6 is installed through it; a fixed frame 7 is fixed on the transverse movement assembly block 6 on the front and rear sides; U-shaped placement seats 8 are integrally formed at the four corners of the fixed frame 7; a clamping screw 9 is installed on the U-shaped placement seat 8, and a pressure plate 10 is fixed on the protruding end below it; the middle of the lower surface of the base frame 1 A longitudinal moving mechanism is arranged at the position, and the longitudinal moving mounting block 16 is installed through it; the lower end of the longitudinal moving mounting block 16 extends out to the bottom of the longitudinal moving mechanism and an integrally formed protruding plate 17 is formed on the right side surface of the protruding part; the protruding plate 17 is fixedly connected to the U-shaped frame 18; through holes are opened at the two end positions of the U-shaped frame 18, and the upper shaft body 19 and the lower shaft body 24 both pass through the through holes; the upper end of the upper shaft body 19 is fixed with an upper circular plate 20, and the lower surface of the upper circular plate 20 is connected to the upper surface of the U-shaped frame 18 through an upper tightening spring 21; the lower end of the upper shaft body 19 is fixed with an upper pressure plate 22, and the lower half of the upper shaft body 19 is provided with an upper scale groove 23; the upper end of the lower shaft body 24 is fixed with a lower top plate 25, and the lower surface of the lower top plate 25 is connected to the U-shaped frame 18 through a lower tightening spring 26; the lower scale groove 27 is distributed on the lower half of the lower shaft body 24.
[0015] As an optimal technical solution of the utility model, the transverse movement mechanism includes a chassis mounting groove 2, a transverse movement screw 3, a transverse fixed shaft 4 and a transverse driving button 5; the chassis mounting grooves 2 are opened on the front and rear sides of the chassis 1; the transverse movement screw 3 is rotatably installed in the chassis mounting grooves 2 on the front and rear sides, and the transverse fixed shaft 4 is fixedly installed; the transverse movement screw 3 is driven by the transverse driving button 5; the transverse movement mounting block 6 is located in the chassis mounting groove 2, the front transverse movement mounting block 6 is installed in cooperation with the transverse movement screw 3, and the rear transverse movement mounting block 6 is movably fitted with the transverse fixed shaft 4.
[0016] As a preferred technical solution of the utility model, the U-shaped placement seat 8 has a groove on its inner lower surface, and the roller 81 is rotatably installed in the groove. The pressure plate 10 is made of rubber; the upper pressure plate 22 and the lower top plate 25 are both made of hard rubber.
[0017] As a preferred technical solution of the utility model, the longitudinal movement mechanism includes a longitudinal rod 11, a longitudinal mounting groove 12, a longitudinal screw 13 and a longitudinal driving button 15; the longitudinal rod 11 is fixed to the lower surface of the middle part of the base frame 1; the longitudinal rod 11 is opened with a longitudinal mounting groove 12 and the longitudinal screw 13 is rotatably installed therein; the longitudinal screw 13 is driven by the longitudinal driving button 15; the longitudinal movement fitting block 16 is installed in the longitudinal mounting groove 12 in cooperation with the longitudinal screw 13.
[0018] As a preferred technical solution of the utility model, a U-shaped stabilizing rod 181 is fixed to the rear side of the base frame 1 , and the stabilizing rod 181 has front and rear through slots 182 , and the horizontal part of the rod body on the lower side of the U-shaped frame 18 passes through the through slot 182 .
[0019] The working principle of the utility model is as follows: when in use, the lateral driving button 5 is manually rotated to drive the lateral movement screw 3 to rotate so that the lateral movement matching block 6 installed therewith moves along the bottom frame mounting groove 2. During the movement, the movement of the fixed frame 7 connected above it changes the position of the lens. When the lower surface and the upper surface of the upper pressure plate 22 and the lower top plate 25 are in the same plane as the lower surface of the U-shaped placement seat 8, the readings of the upper scale groove 23 and the lower scale groove 27 are set to zero. When the lens moves with the lateral movement mechanism and the manually driven longitudinal movement mechanism drives the U-shaped frame to move, it is also possible to observe whether the upper scale groove 23 and the lower scale groove 27 change. This not only realizes multi-position measurement but also can judge whether the lens is flat during the measurement process.
[0020] Components not described in detail herein are prior art.
[0021] Although the specific embodiments of the present invention are described in detail above, the present invention is not limited to the above embodiments. Various changes can be made within the knowledge of ordinary technicians in this field without departing from the purpose of the present invention, and modifications or deformations without creative labor are still within the scope of protection of the present invention.
Claims
1. An optical lens thickness detection device, characterized in that: It includes a base frame (1), a transverse movement mechanism, a transverse movement assembly block (6), a fixed frame (7), a U-shaped placement seat (8), a clamping screw (9), a pressure plate (10), a longitudinal movement mechanism, a longitudinal movement assembly block (16), a protruding plate (17), a U-shaped frame (18), an upper shaft body (19), an upper circular plate (20), an upper tightening spring (21), an upper pressure plate (22), an upper scale groove (23), a lower shaft body (24), a lower top plate (25), and a lower tightening spring (26). and a lower scale groove (27); a transverse movement mechanism is arranged on the base frame (1), and the transverse movement assembly block (6) is installed through it; a fixed frame (7) is fixed on the transverse movement assembly block (6) on the front and rear sides; a U-shaped placement seat (8) is integrally formed at the four corners of the fixed frame (7); a clamping screw (9) is installed on the U-shaped placement seat (8), and a pressure plate (10) is fixed on the protruding end below it; a longitudinal movement mechanism is arranged at the middle position of the lower surface of the base frame (1), and the longitudinal movement assembly block (16) is installed through it; the lower end of the longitudinal movement assembly block (16) protrudes below the longitudinal movement mechanism and a protruding plate (17) is integrally formed on the right side surface of the protruding part; the protruding plate (17) is fixedly connected to the U-shaped frame (18); through holes are opened at the two end positions of the U-shaped frame (18), and the upper shaft body (19) and the lower shaft body (24) both pass through the through holes; the upper end of the upper shaft body (19) is fixed with an upper circular plate (20) The lower surface of the upper circular plate (20) is connected to the upper surface of the U-shaped frame (18) via an upper tightening spring (21); an upper pressure plate (22) is fixed to the lower end of the upper shaft body (19), and an upper scale groove (23) is distributed on the lower half of the upper shaft body (19); a lower top plate (25) is fixed to the upper end of the lower shaft body (24), and a lower surface of the lower top plate (25) is connected to the U-shaped frame (18) via a lower tightening spring (26); and a lower scale groove (27) is distributed on the lower half of the lower shaft body (24).
2. The optical lens thickness detection device according to claim 1, characterized in that: The transverse movement mechanism comprises a chassis mounting groove (2), a transverse movement screw (3), a transverse fixed shaft (4) and a transverse driving button (5); the chassis mounting grooves (2) are both opened on the front and rear sides of the chassis (1); the transverse movement screw (3) is rotatably installed in the chassis mounting grooves (2) on the front and rear sides, and the transverse fixed shaft (4) is fixedly installed; the transverse movement screw (3) is driven by the transverse driving button (5); the transverse movement assembly block (6) is located in the chassis mounting groove (2), the front transverse movement assembly block (6) is installed in cooperation with the transverse movement screw (3), and the rear transverse movement assembly block (6) is movably mounted on the transverse fixed shaft (4).
3. The optical lens thickness detection device according to claim 1, characterized in that: The U-shaped placement seat (8) has a groove on its inner lower surface, and a roller (81) is rotatably mounted in the groove.
4. The optical lens thickness detection device according to claim 1, characterized in that: The pressure plate (10) is made of rubber; the upper pressure plate (22) and the lower top plate (25) are both made of hard rubber.
5. The optical lens thickness detection device according to claim 1, characterized in that: The longitudinal movement mechanism comprises a longitudinal rod (11), a longitudinal mounting groove (12), a longitudinal lead screw (13) and a longitudinal driving button (15); the longitudinal rod (11) is fixed to the lower surface of the middle part of the base frame (1); the longitudinal rod (11) is provided with a longitudinal mounting groove (12) in which the longitudinal lead screw (13) is rotatably mounted; the longitudinal lead screw (13) is driven by the longitudinal driving button (15); and the longitudinal movement assembly block (16) is mounted in the longitudinal mounting groove (12) in cooperation with the longitudinal lead screw (13).
6. The optical lens thickness detection device according to claim 1, characterized in that: A U-shaped stabilizing rod (181) is fixed to the rear side of the base frame (1), and the stabilizing rod (181) is provided with front and rear through slots (182), and the horizontal rod body at the lower side of the U-shaped frame (18) passes through the through slot (182).