Automatic lens mounting structure of image measuring machine
Through the design of the automatic lens installation structure of the image measuring machine, the problem of cumbersome lens replacement steps and high cost is solved, low-cost and high-precision lens installation and convenient replacement of light source modules is achieved, and the measurement accuracy and replacement efficiency of the measuring machine are improved.
Patent Information
- Application Number
- CN202422274260.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-18
- Publication Date
- 2025-08-26
- Estimated Expiration
- 2034-09-18
AI Technical Summary
The existing image measuring machines are complicated when replacing precision lenses. The lack of Z-axis assisted positioning makes it difficult to ensure verticality, which affects measurement accuracy. The magnification lens and the ring light source are integrated into one, resulting in high replacement cost.
An automatic lens installation structure of the image measuring machine is designed, including a slide plate, a connecting plate, a lens module and a light source module. The removable connection method is adopted to fix the lens and the connecting plate through screws and flat head wires. The light source module can be detached and installed, and the Z-axis perpendicularity of the lens module is assisted by the connecting plate.
It realizes the manufacturing of machines that meet the measurement requirements in a low-cost and short-term time, ensuring the accuracy of lens installation and the convenient replacement of light source modules, reducing replacement costs and improving measurement accuracy.
Smart Images

Figure CN223272398U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of image measuring machines, in particular to an automatic lens mounting structure for an image measuring machine. Background Art
[0002] The automatic image measuring machine is based on the digital image measuring instrument and adds automatic edge extraction, automatic deburring, and automatic measurement synthesis based on machine vision. It has excellent functions such as point-to-point, automatic measurement, automatic learning, and batch measurement.
[0003] When measuring workpieces, conventional image measuring machines require different measurement heights and magnifications based on the size of the workpiece's elements. This requires two measurement heights and two automatic zoom lenses. Currently, replacing the precision lens is cumbersome, and the lack of Z-axis positioning between the precision lens and the measuring machine makes it difficult to maintain verticality after installation, impacting subsequent measurement accuracy. Furthermore, the zoom lens and ring light source are currently integrated, resulting in high replacement costs. Therefore, an automatic lens mounting structure for image measuring machines is urgently needed to address this existing issue. Utility Model Content
[0004] The purpose of the utility model is to provide an automatic lens installation structure for an image measuring machine in order to solve the above-mentioned problem.
[0005] The technical solution adopted by the utility model is as follows: an automatic lens mounting structure for an image measuring machine, comprising a slide plate, an upper connecting plate, a lower connecting plate, an industrial camera, a first lens module, a second lens module and a light source module, wherein the upper connecting plate and the lower connecting plate are detachably mounted on the outer surface of the slide plate from top to bottom respectively; wherein the first lens module comprises a first automatic zoom lens and a first lens mounting seat adapted to mount the first automatic zoom lens, and the first lens mounting seat is fixedly connected to the upper connecting plate or the lower connecting plate by screws; the second lens module comprises a second automatic zoom lens and a second lens mounting seat adapted to mount the second automatic zoom lens, and the second lens mounting seat is fixedly connected to the upper connecting plate or the lower connecting plate by screws.
[0006] In a preferred embodiment, the industrial camera is detachably mounted on a mounting opening reserved on the top of the second automatic zoom lens or the first automatic zoom lens.
[0007] In a preferred embodiment, the light source module includes an annular light source, a light source mounting plate and a mounting rod. The annular light source is arranged below the second automatic zoom lens or the first automatic zoom lens, and is radially concentric with the second automatic zoom lens or the first automatic zoom lens.
[0008] In a preferred embodiment, the annular light source can be detachably mounted on the bottom of the light source mounting plate, and the two mounting rods are symmetrically arranged on the light source mounting plate. The bottoms of the second lens mounting seat and the first lens mounting seat are correspondingly provided with mounting holes that can accommodate the insertion of the mounting rods. The side surfaces of the mounting holes are threadedly connected with flat head screws, and the mounting rods are inserted into the mounting holes and fixed by the flat head screws.
[0009] In a preferred embodiment, the back surfaces of the second lens mounting seat and the first lens mounting seat are recessed inward to form grooves adapted to engage with the upper connecting plate or the lower connecting plate.
[0010] In a preferred embodiment, outer end surfaces of the first lens mounting seat and the second lens mounting seat are respectively recessed to form arc-shaped grooves adapted to accommodate the first automatic zoom lens and the second automatic zoom lens.
[0011] In summary, due to the adoption of the above technical solution, the beneficial effects of the present invention are:
[0012] 1. In this utility model, two mounting structures are designed to accommodate the first automatic zoom lens and the measurement height adjustment. Different measurement heights or magnification automatic zoom lenses can be selected according to the size of the workpiece's measurement element. This allows for the manufacture of machines that meet measurement requirements at a lower hardware production cost and in a shorter manufacturing time.
[0013] 2. In the present invention, slots suitable for engaging the upper connecting plate or the lower connecting plate are provided on the back of the first lens mounting seat and the second lens mounting seat. When installing the first lens module and the second lens module, the Z-axis verticality of the first lens module and the second lens module is assisted by the upper connecting plate or the lower connecting plate, which can ensure the accuracy of subsequent installation;
[0014] 3. In the present invention, the first lens module, the second lens module and the light source module are designed to be detachable. The light source module can be installed under different lens modules according to different usage scenarios, which can save overall replacement costs. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model after being disassembled.
[0016] Markings in the figure: 1-slide plate, 2-lower connecting plate, 3-industrial camera, 4-flat head screw, 5-first lens mounting seat, 6-first automatic zoom lens, 7-mounting rod, 8-ring light source, 9-upper connecting plate, 10-second lens mounting seat, 11-second automatic zoom lens, 12-light source mounting plate. DETAILED DESCRIPTION
[0017] In order to make the purpose, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.
[0018] Reference Figure 1 , an automatic lens mounting structure of an image measuring machine, comprising a slide plate 1, an upper connecting plate 9, a lower connecting plate 2, an industrial camera 3, a first lens module, a second lens module and a light source module, the upper connecting plate 9 and the lower connecting plate 2 are respectively detachably mounted on the outer surface of the slide plate 1 from top to bottom; wherein, the first lens module comprises a first automatic zoom lens 6 and a first lens mounting seat 5 adapted to mount the first automatic zoom lens 6, the first lens mounting seat 5 is fixedly connected to the upper connecting plate 9 or the lower connecting plate 2 by screws; the second lens module comprises a second automatic zoom lens 11 and a second lens mounting seat 10 adapted to mount the second automatic zoom lens 11, the second lens mounting seat 10 is fixedly connected to the upper connecting plate 9 or the lower connecting plate 2 by screws, two mounting structures adapted to mount zoom lenses and adjust measuring height are designed, different measuring heights or magnification automatic zoom lenses can be selected according to the measuring element size of the workpiece, the machine that meets the measurement requirements can be manufactured with lower hardware production cost and shorter manufacturing time, and has advantages that current products do not have.
[0019] Preferably, the first automatic zoom lens 6 and the second automatic zoom lens 11 are 6.5X zoom lens and 12X zoom lens respectively, and the Z-axis heights of the upper connecting plate 9 and the lower connecting plate 2 are 300mm and 200mm respectively, but there is no limitation here, and a variety of lenses and lens mounting structures can also be designed according to actual applications.
[0020] Furthermore, the outer end surfaces of the first lens mount 5 and the second lens mount 10 are respectively recessed to form arc-shaped grooves adapted to accommodate the first automatic zoom lens 6 and the second automatic zoom lens 11. The arc-shaped grooves can assist in defining the installation positions of the first automatic zoom lens 6 and the second automatic zoom lens 11.
[0021] Furthermore, the industrial camera 3 can be detachably mounted on the mounting port reserved at the top of the second automatic zoom lens 11 or the first automatic zoom lens 6, wherein the industrial camera 3 can be combined with the second automatic zoom lens 11 or the first automatic zoom lens 6 by using threads or other detachable connection methods, thereby facilitating the combined operation of the industrial camera 3 with different zoom lens modules.
[0022] Furthermore, the light source module includes a ring-shaped light source 8, a light source mounting plate 12 and a mounting rod 7. The ring-shaped light source 8 is arranged below the second automatic zoom lens 11 or the first automatic zoom lens 6, and is radially concentric with the second automatic zoom lens 11 or the first automatic zoom lens 6. The back sides of the second lens mounting seat 10 and the first lens mounting seat 5 are recessed inward to form a groove adapted to engage with the upper connecting plate 9 or the lower connecting plate 2. A groove suitable for engaging with the upper connecting plate 9 or the lower connecting plate 2 is provided on the back side of the first lens mounting seat 10 and the second lens mounting seat 5. When installing the first lens module and the second lens module, the Z-axis verticality of the first lens module and the second lens module has been assisted in positioning by the upper connecting plate 9 or the lower connecting plate 2, which can ensure the accuracy of subsequent installation.
[0023] Furthermore, the annular light source 8 is detachably mounted on the bottom of the light source mounting plate 12, and there are two mounting rods 7 symmetrically arranged on the light source mounting plate 12. The second lens mounting seat 10 and the first lens mounting seat 5 are provided with mounting holes at the bottom to accommodate the insertion of the mounting rod 7. The side of the mounting hole is threadedly connected with a flat head screw 4. The mounting rod 7 is inserted into the mounting hole and fixed by the flat head screw 4. The first lens module and the second lens module and the light source module are designed to be detachable. The light source module can be installed under different lens modules according to different usage scenarios, which can save the overall replacement cost. When replacing, you only need to select the flat head screw 4, and then pull the light source module outward for replacement. During installation, the mounting rod 7 can assist in limiting the Z-axis position between the light source module and the lens module, and can also ensure the accuracy after installation.
[0024] It should be mentioned that the main accessories are all detachable, so that each accessory can be removed and replaced individually when damaged or maintained.
[0025] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.
Claims
1. An automatic lens mounting structure for an image measuring machine, characterized in that: It includes a skateboard, an upper connecting plate, a lower connecting plate, an industrial camera, a first lens module, a second lens module and a light source module, and the upper connecting plate and the lower connecting plate are respectively detachably mounted on the outer surface of the skateboard from top to bottom; wherein, the first lens module includes a first automatic zoom lens and a first lens mounting seat adapted to mount the first automatic zoom lens, and the first lens mounting seat is fixedly connected to the upper connecting plate or the lower connecting plate by screws; the second lens module includes a second automatic zoom lens and a second lens mounting seat adapted to mount the second automatic zoom lens, and the second lens mounting seat is fixedly connected to the upper connecting plate or the lower connecting plate by screws.
2. The automatic lens mounting structure for an image measuring machine according to claim 1, characterized in that: The industrial camera is detachably mounted on a mounting opening reserved on the top of the second automatic zoom lens or the first automatic zoom lens.
3. The automatic lens mounting structure for an image measuring machine according to claim 1, wherein: The light source module includes an annular light source, a light source mounting plate and a mounting rod. The annular light source is arranged below the second automatic zoom lens or the first automatic zoom lens and is radially concentric with the second automatic zoom lens or the first automatic zoom lens.
4. The automatic lens mounting structure for an image measuring machine according to claim 3, wherein: The annular light source can be detachably mounted on the bottom of the light source mounting plate. There are two mounting rods symmetrically arranged on the light source mounting plate. The bottoms of the second lens mounting seat and the first lens mounting seat are correspondingly provided with mounting holes that can accommodate the insertion of the mounting rods. The side surfaces of the mounting holes are threadedly connected with flat head screws. The mounting rods are inserted into the mounting holes and fixed by the flat head screws.
5. The automatic lens mounting structure for an image measuring machine according to claim 1, wherein: The back surfaces of the second lens mounting seat and the first lens mounting seat are recessed inwards to form slots adapted to engage with the upper connecting plate or the lower connecting plate.
6. The automatic lens mounting structure for an image measuring machine according to claim 1, wherein: The outer end surfaces of the first lens mounting seat and the second lens mounting seat are respectively recessed to form arc-shaped grooves adapted to accommodate the first automatic zoom lens and the second automatic zoom lens.