High-precision segment difference die core inner hole measuring device

By designing a high-precision inner hole measuring device combining slide chutes, moving components and laser ranging probes, the problem of large measurement errors in the prior art is solved, and high-precision measurement of the inner holes of the mold kernel is achieved.

CN222481406UActive Publication Date: 2025-02-14SUZHOU HB PRECISION IND CO LTD
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Patent Information

Application Number
CN202421344921.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-13
Publication Date
2025-02-14
Estimated Expiration
2034-06-13

AI Technical Summary

Technical Problem

The existing inner hole measuring device cannot accurately align the center position of the inner hole, resulting in errors that are prone to measurement and cannot meet the high-precision measurement requirements.

Method used

A high-precision differential mold core inner hole measurement device is designed, using a sliding groove and a moving component structure, combined with a laser ranging probe and a motor drive system to achieve accurate measurement of the mold core inner hole.

Benefits of technology

Through the use of this device, measurement errors can be significantly reduced, high-precision measurement of the inner holes of the mold core can be achieved, and the accuracy and reliability of the measurement results can be ensured.

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Abstract

The utility model provides a high-precision segment difference die core inner hole measuring device, and belongs to the technical field of inner hole measurement. The high-precision segment difference die core inner hole measuring device comprises a working table, a sliding groove is formed in the top end of the working table, a moving assembly is slidably connected into the sliding groove and comprises a plate, a holder and a shaft rod, the holder is installed on one side of the plate, the shaft rod is rotatably connected to one side of the holder, and the shaft rod is rotatably connected to the other side of the plate. A hole measuring mechanism is arranged at one end of the shaft rod and comprises a shaft block, a screw rod, a first laser ranging probe and a second laser ranging probe, the screw rod is in threaded connection with one end of the shaft rod, one end of the screw rod is connected with the shaft block, and the first laser ranging probe and the second laser ranging probe are installed on the two sides of the outer wall of the shaft block respectively; a chuck mechanism is arranged on one side of the outer wall of the workbench, and the chuck mechanism and the shaft block are located on the same axis.
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Description

Technical Field

[0001] The utility model relates to the technical field of inner hole measurement, in particular to a high-precision step-difference mold core inner hole measurement device. Background Art

[0002] With the rapid development of the domestic optical industry, optical lenses have also entered all aspects of our lives, such as mobile phones, computers, surveillance, car cameras, etc., all of which use a large number of optical lenses. At the same time, with the advancement of technology and the improvement of our requirements for quality of life, the technical specifications of optical lenses have become increasingly higher, which has led to higher and higher technical requirements for optical molds. Among them, the inner hole of the mold core needs to be measured before assembly to ensure that it meets the specification requirements.

[0003] At present, when existing devices measure the inner hole of the mold core, they usually use a vernier caliper for manual measurement, and compare the values ​​in different directions to determine whether the current inner hole is regular. However, this method cannot accurately align the center position of the inner hole, which makes it easy to make errors during measurement and is not conducive to accurate measurement.

[0004] Therefore, we made improvements on this and proposed a high-precision step-difference mold core inner hole measurement device. Utility Model Content

[0005] In order to solve the problem that the existing device is prone to measurement errors, the utility model provides a high-precision step-difference mold core inner hole measurement device.

[0006] The utility model is achieved in this way:

[0007] A high-precision step-difference mold core inner hole measuring device comprises a workbench, a slide groove is provided at the top of the workbench, a moving component is slidably connected inside the slide groove, the moving component comprises a plate, a retaining frame and a shaft rod, the retaining frame is installed on one side of the plate, the shaft rod is rotatably connected on one side of the retaining frame, a hole measuring mechanism is provided at one end of the shaft rod, the hole measuring mechanism comprises a shaft block, a screw rod, a first laser ranging probe and a second laser ranging probe, the screw rod is threadedly connected to one end of the shaft rod, one end of the screw rod is connected to the shaft block, the first laser ranging probe and the second laser ranging probe are respectively installed on both sides of the outer wall of the shaft block, a chuck mechanism is provided on one side of the outer wall of the workbench, and the chuck mechanism and the shaft block are on the same axis.

[0008] Furthermore, the chuck mechanism includes a four-jaw chuck, a worm wheel, a worm and a first motor. The four-jaw chuck is rotatably connected to one side of the workbench, and the inside of the workbench is rotatably connected to the worm wheel and the worm respectively. One side of the worm wheel is connected to one side of the four-jaw chuck, and the worm wheel and the worm are meshed with each other.

[0009] The beneficial effect of adopting the above further scheme is that through the connection and use of the four-jaw chuck, the mold core can be clamped, and the connection relationship between the worm wheel and the worm screw that meshes with each other can make the worm wheel drive the four-jaw chuck to rotate when the worm screw rotates.

[0010] Furthermore, a first motor is installed on the top of the workbench, and an output end of the first motor is drivingly connected to one end of the worm.

[0011] The beneficial effect of adopting the above further solution is that, through the installation and use of the first motor, it provides power for the rotation of the worm.

[0012] Furthermore, a lead screw is rotatably connected inside the slide groove, and one end of the lead screw is threadedly connected to one side of the plate.

[0013] The beneficial effect of adopting the above further solution is that by causing the lead screw to rotate forward and reverse, the plate can move back and forth inside the slide groove.

[0014] Furthermore, a third motor is installed on the outer wall of the workbench, and an output end of the third motor is transmission-connected to one end of the lead screw.

[0015] The beneficial effect of adopting the above further solution is that, by installing and using the third motor, it provides power for the rotation of the lead screw.

[0016] Furthermore, vibration-damping feet are respectively provided at the four corners of the bottom end of the workbench, and the vibration-damping feet include an outer shell, a vertical rod, a bottom plate, a positioning hole, a damper and a spring. The inner part of the outer shell is slidably connected to the vertical rod, and the top end of the vertical rod is connected to the bottom end of the workbench.

[0017] The beneficial effect of adopting the above further solution is that, through the connection between the vertical rod and the outer shell, the overall structure of the vibration-damping support foot has telescopic adjustment.

[0018] Furthermore, a damper is installed at the inner bottom end of the shell, the top end of the damper is connected to the bottom end of the vertical rod, and the outer wall of the damper is sleeved with a spring.

[0019] The beneficial effect of adopting the above further solution is that, by using the damper in conjunction with the spring, it is convenient to reduce the vibration of the lifting and lowering activities of the vertical rod, thereby reducing the vibration of the structure on the workbench 100.

[0020] Furthermore, a bottom plate is installed at the bottom end of the shell, and positioning holes are respectively arranged on both sides of the bottom plate.

[0021] The beneficial effect of adopting the above further solution is that the outer shell can be easily fixed by using the bottom plate in conjunction with the positioning holes.

[0022] Furthermore, a second motor is installed on one side of the outer wall of the moving component, and an output end of the second motor is transmission-connected to one end of the shaft.

[0023] The beneficial effect of adopting the above further solution is that, by installing and using the second motor, its output end can drive the shaft rod to rotate, thereby facilitating the hole measuring mechanism to perform circular rotation.

[0024] The beneficial effect of the utility model is that through the coordinated use of the moving component, the hole measuring mechanism and the chuck mechanism, the device can achieve more accurate measurement of the inner hole and effectively reduce the measurement error, wherein, through the connection and use of the retaining frame, the shaft rod can be stably rotated on one side of the plate, and then through the connection and use of the screw rod, it is convenient to dock the shaft block, so that the shaft block respectively drives the first laser ranging probe and the second laser ranging probe, which are located at the same axial center line as the chuck mechanism, and are convenient to directly extend to the center position of the inner hole of the mold core, and by causing the shaft rod to rotate, the first laser ranging probe and the second laser ranging probe respectively measure the aperture of the inner hole of the mold core, and by comparing the numerical changes of the two groups of laser ranging probes, it is judged whether the current inner hole of the mold core meets the regularity. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] In order to more clearly illustrate the technical solution of the implementation mode of the utility model, the drawings required for use in the implementation mode will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the utility model and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying creative work.

[0026] Figure 1 A three-dimensional diagram of a high-precision step-difference mold core inner hole measuring device provided by the utility model;

[0027] Figure 2 A schematic diagram of a chuck mechanism of a high-precision step-difference mold core inner hole measuring device provided by the utility model;

[0028] Figure 3 A cross-sectional view of a moving component of a high-precision step-difference mold core inner hole measuring device provided by the utility model;

[0029] Figure 4 A schematic diagram of a hole measuring mechanism of a high-precision step-difference mold core inner hole measuring device provided by the utility model;

[0030] Figure 5A cross-sectional view of a vibration-damping support foot of a high-precision step-difference mold core inner hole measuring device provided by the utility model.

[0031] In the figure: 100, workbench; 200, chuck mechanism; 2001, four-jaw chuck; 2002, worm gear; 2003, worm; 2004, first motor; 300, moving assembly; 3001, plate; 3002, retaining frame; 3003, shaft; 400, second motor; 500, hole measuring mechanism; 5001, shaft block; 5002, screw; 5003, first laser ranging probe; 5004, second laser ranging probe; 600, vibration-damping support foot; 6001, housing; 6002, vertical rod; 6003, bottom plate; 6004, positioning hole; 6005, damper; 6006, spring; 700, third motor; 800, lead screw. DETAILED DESCRIPTION

[0032] In order to make the purpose, technical solution and advantages of the implementation of the utility model clearer, the technical solution in the implementation of the utility model will be clearly and completely described below in conjunction with the drawings in the implementation of the utility model. Obviously, the described implementation is a part of the implementation of the utility model, not all of the implementations. Based on the implementation of the utility model, all other implementations obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0033] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely represents selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in the field without creative work are within the scope of protection of the present invention.

[0034] Embodiment 1

[0035] See also Figure 1-Figure 5The utility model provides a technical solution: a high-precision step-difference mold core inner hole measuring device, comprising a workbench 100, a slide groove is arranged at the top of the workbench 100, a moving assembly 300 is slidably connected inside the slide groove, the moving assembly 300 comprises a plate 3001, a holder 3002 and a shaft 3003, the holder 3002 is installed on one side of the plate 3001, the shaft 3003 is rotatably connected on one side of the holder 3002, a hole measuring mechanism 500 is arranged at one end of the shaft 3003, the hole measuring mechanism 500 comprises a shaft block 5001, a screw 5002, a first laser ranging probe 5003 and a second laser ranging probe 5004, the screw 5002 is threadedly connected to one end of the shaft 3003, one end of the screw 5002 is connected to the shaft block 5001, and the first laser ranging probe 5003 and the second laser ranging probe 5004 are respectively installed on both sides of the outer wall of the shaft block 5001 004. A chuck mechanism 200 is provided on one side of the outer wall of the workbench 100. The chuck mechanism 200 and the shaft block 5001 are on the same axis. Through the connection with the retaining frame 3002, the shaft rod 3003 can stably rotate on one side of the plate 3001. Then, through the connection with the screw rod 5002, it is convenient to dock the shaft block 5001, so that the shaft block 5001 drives the first laser ranging probe 5003 and the second laser ranging probe 5004 respectively, which are on the same axis as the chuck mechanism 200, so as to directly extend to the center position of the inner hole of the mold core, and by causing the shaft rod 3003 to rotate, the first laser ranging probe 5003 and the second laser ranging probe 5004 respectively measure the aperture of the inner hole of the mold core, and by comparing the numerical changes of the two groups of laser ranging probes, it is judged whether the inner hole of the current mold core is regular.

[0036] Embodiment 2

[0037] See also Figure 1-Figure 5As an embodiment of the present invention, further, the chuck mechanism 200 includes a four-jaw chuck 2001, a worm wheel 2002, a worm 2003 and a first motor 2004. The four-jaw chuck 2001 is rotatably connected to one side of the workbench 100, and the inside of the workbench 100 is rotatably connected to the worm wheel 2002 and the worm 2003, respectively. One side of the worm wheel 2002 is connected to one side of the four-jaw chuck 2001, and the worm wheel 2002 and the worm 2003 are meshed with each other. Through the connection and use of the four-jaw chuck 2001, it can clamp the mold core, and then with the connection relationship between the worm wheel 2002 and the worm 2003 that meshes with each other, when the worm 2003 rotates, it can prompt the worm wheel 2002 to drive the four-jaw chuck 2 001 rotates, a first motor 2004 is installed on the top of the workbench 100, and the output end of the first motor 2004 is transmission-connected to one end of the worm 2003. The first motor 2004 is installed and used to provide power for the rotation of the worm 2003. The internal rotation of the slide is connected with a lead screw 800, and one end of the lead screw 800 is threadedly connected to one side of the plate 3001. By causing the lead screw 800 to rotate forward and reverse, the plate 3001 can reciprocate inside the slide. A third motor 700 is installed on the outer wall of the workbench 100, and the output end of the third motor 700 is transmission-connected to one end of the lead screw 800. The third motor 700 is installed and used to provide power for the rotation of the lead screw 800.

[0038] Embodiment 3

[0039] See also Figure 1-Figure 5As an embodiment of the present invention, further, the four corners of the bottom end of the workbench 100 are respectively provided with vibration-damping feet 600, and the vibration-damping feet 600 include a shell 6001, a vertical rod 6002, a bottom plate 6003, a positioning hole 6004, a damper 6005 and a spring 6006. The vertical rod 6002 is slidably connected inside the shell 6001, and the top of the vertical rod 6002 is connected to the bottom end of the workbench 100. Through the connection between the vertical rod 6002 and the shell 6001, the overall structure of the vibration-damping feet 600 has telescopic adjustment. The damper 6005 is installed at the bottom end of the inner part of the shell 6001, and the top of the damper 6005 is connected to the bottom end of the vertical rod 6002. The outer wall of the damper 6005 is covered with a spring 6006. , by using the damper 6005 in conjunction with the spring 6006, it is convenient to reduce the vibration of the lifting and lowering activities of the vertical rod 6002, thereby reducing the vibration of the structure on the workbench 100, a bottom plate 6003 is installed at the bottom end of the shell 6001, and positioning holes 6004 are respectively arranged on both sides of the bottom plate 6003. By using the bottom plate 6003 and the positioning holes 6004 in conjunction with each other, the shell 6001 can be fixed conveniently, and a second motor 400 is installed on one side of the outer wall of the moving component 300, and the output end of the second motor 400 is transmission-connected with one end of the shaft rod 3003. By installing and using the second motor 400, its output end can drive the shaft rod 3003 to rotate, thereby facilitating the hole measuring mechanism 500 to rotate in a circle.

[0040] Specifically, the working principle of the high-precision step-difference mold core inner hole measuring device is as follows: when in use, first, move the device to the designated working area, and start the device to perform an operation test. After ensuring normal operation, place the mold core to be measured inside the four-jaw chuck 2001, wherein, by starting the third motor 700, the output end of the motor drives the lead screw 800 to rotate forward and reverse, thereby prompting the plate 3001 to drive the hole measuring mechanism 500 to move to the designated position, and then through the connection with the retaining frame 3002, the shaft 3003 can be stably rotated on one side of the plate 3001, and through the connection with the screw 5002, it is convenient to connect the shaft block 5001, so that the shaft block 5001 drives the first laser ranging probe 5003 and the second laser ranging probe 5004 respectively, which are on the same axis as the chuck mechanism 200. The position of the center line is convenient for directly extending to the center position of the inner hole of the mold core, and by causing the shaft 3003 to rotate, the first laser ranging probe 5003 and the second laser ranging probe 5004 respectively measure the aperture of the inner hole of the mold core, and by comparing the numerical changes of the two groups of laser ranging probes, it is determined whether the current inner hole of the mold core meets the regularity. Secondly, by starting the second motor 400, its output end can drive the shaft 3003 to rotate, so as to facilitate the hole measuring mechanism 500 to rotate in a circle, and through the connection between the vertical rod 6002 and the outer shell 6001, the overall structure of the vibration-damping support foot 600 has telescopic adjustment, and through the coordinated use of the damper 6005 and the spring 6006, it is convenient to perform vibration reduction treatment on the lifting and lowering activities of the vertical rod 6002, thereby performing vibration reduction treatment on the structure on the workbench 100.

[0041] It should be noted that the specific model specifications of the first motor 2004, the second motor 400, the first laser ranging probe 5003, the second laser ranging probe 5004 and the third motor 700 need to be selected and determined according to the actual specifications of the device, etc. The specific selection calculation method adopts the existing technology in the field, so it will not be described in detail.

[0042] The above description is only the preferred implementation of the utility model, and is not intended to limit the utility model. For those skilled in the art, the utility model can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A high-precision step-difference mold core inner hole measuring device, comprising a workbench (100), characterized in that: The top of the workbench (100) is provided with a slide groove, and a moving assembly (300) is slidably connected inside the slide groove. The moving assembly (300) includes a plate (3001), a retaining frame (3002) and a shaft (3003). The retaining frame (3002) is installed on one side of the plate (3001), and the shaft (3003) is rotatably connected to one side of the retaining frame (3002). A hole measuring mechanism (500) is provided at one end of the shaft (3003). The hole measuring mechanism (500) includes a shaft block (5001), a screw (5002) and a plurality of screws (5003). , a first laser ranging probe (5003) and a second laser ranging probe (5004), the screw (5002) is threadedly connected to one end of the shaft (3003), one end of the screw (5002) is connected to the shaft block (5001), the first laser ranging probe (5003) and the second laser ranging probe (5004) are respectively installed on both sides of the outer wall of the shaft block (5001), and a chuck mechanism (200) is provided on one side of the outer wall of the workbench (100), and the chuck mechanism (200) and the shaft block (5001) are on the same axis.

2. The high-precision step-difference mold core inner hole measuring device according to claim 1 is characterized in that: The chuck mechanism (200) comprises a four-jaw chuck (2001), a worm wheel (2002), a worm (2003) and a first motor (2004); the four-jaw chuck (2001) is rotatably connected to one side of the workbench (100); the inside of the workbench (100) is rotatably connected to the worm wheel (2002) and the worm (2003); one side of the worm wheel (2002) is connected to one side of the four-jaw chuck (2001), and the worm wheel (2002) and the worm (2003) are meshed with each other.

3. The high-precision step-difference mold core inner hole measuring device according to claim 2 is characterized in that: A first motor (2004) is installed at the top of the workbench (100), and an output end of the first motor (2004) is drivingly connected to one end of the worm (2003).

4. The high-precision step-difference mold core inner hole measuring device according to claim 1 is characterized in that: A lead screw (800) is rotatably connected inside the slide groove, and one end of the lead screw (800) is threadedly connected to one side of the plate (3001).

5. The high-precision step-difference mold core inner hole measuring device according to claim 4 is characterized in that: A third motor (700) is installed on the outer wall of the workbench (100), and an output end of the third motor (700) is drivingly connected to one end of the lead screw (800).

6. The high-precision step-difference mold core inner hole measuring device according to claim 1 is characterized in that: The four corners of the bottom end of the workbench (100) are respectively provided with vibration-damping feet (600), and the vibration-damping feet (600) include a shell (6001), a vertical rod (6002), a bottom plate (6003), a positioning hole (6004), a damper (6005) and a spring (6006). The inside of the shell (6001) is slidably connected to the vertical rod (6002), and the top end of the vertical rod (6002) is connected to the bottom end of the workbench (100).

7. The high-precision step-difference mold core inner hole measuring device according to claim 6 is characterized in that: A damper (6005) is installed at the inner bottom end of the housing (6001), the top end of the damper (6005) is connected to the bottom end of the vertical rod (6002), and a spring (6006) is sleeved on the outer wall of the damper (6005).

8. The high-precision step-difference mold core inner hole measuring device according to claim 7 is characterized in that: A bottom plate (6003) is installed at the bottom end of the housing (6001), and positioning holes (6004) are respectively arranged on both sides of the bottom plate (6003).

9. The high-precision step-difference mold core inner hole measuring device according to claim 1, characterized in that: A second motor (400) is installed on one side of the outer wall of the moving component (300), and an output end of the second motor (400) is transmission-connected to one end of the shaft (3003).