A ball screw OBD diameter measuring block gauge structure

Abstract

This invention provides a ball screw OBD diameter measuring gauge block structure, comprising: a carrier with a measuring part for holding the part to be measured; multiple gauge block assemblies, each slidably mounted on the carrier and having a measuring part; multiple sliding seats, each corresponding to one of the gauge block assemblies; and multiple control components, each connected to one of the gauge block assemblies and used to control the gauge block assemblies. The control components pull and release the gauge block assemblies, allowing them to contact the part to be measured. This invention enables high-precision, high-repeatability, and stable and reliable ball screw OBD diameter measurement.

Description

Technical Field

[0001] This utility model relates to the field of ball screw measurement technology, and more specifically, to a ball screw OBD diameter measuring block gauge structure. Background Technology

[0002] In the field of precision machinery manufacturing, measuring the groove diameter (OBD diameter) of ball screws is a crucial step in ensuring their performance and quality. Currently, existing measurement methods mostly employ manual gauge blocks or fixed measuring instruments, which have significant limitations when dealing with μ-level accuracy requirements. Due to the complex shape of the ball screw groove and its sensitivity to measuring forces, traditional measuring tools struggle to achieve uniform and stable contact, resulting in poor measurement repeatability. Furthermore, existing equipment often lacks multi-point synchronous measurement capabilities, and errors can easily be introduced during measurement due to uneven contact at single points or fluctuations in measuring forces. This leads to repeatability errors exceeding 2 micrometers, failing to meet the qualification criteria of Measurement System Analysis (MSA), such as GRR (Gadget Repeatability and Reproducibility) less than 10% and Cgk (Gadget Capability Index) greater than 1.33. Simultaneously, the fixing and control methods of existing measuring gauge blocks are relatively simple, failing to achieve flexible adjustment and precise release, further exacerbating measurement instability. Utility Model Content

[0003] Therefore, this utility model provides a ball screw OBD diameter measuring block gauge structure that can achieve high precision, high repeatability and stable and reliable ball screw OBD diameter measurement.

[0004] To address the aforementioned problems, this utility model provides a ball screw OBD diameter measuring gauge block structure, comprising: a carrier having a measuring part for placing the part to be measured; multiple gauge block assemblies elastically slidably disposed on the carrier, each gauge block assembly having a measuring part; multiple sliding seats disposed on the carrier, each gauge block assembly corresponding to one sliding seat; and multiple control components connected one-to-one to the multiple gauge block assemblies, each control component controlling the multiple gauge block assemblies; wherein the multiple control components correspondingly pull and control the multiple gauge block assemblies, and elastically release the multiple gauge block assemblies, causing the multiple gauge block assemblies to contact the part to be measured.

[0005] Compared with existing technologies, the technical effects achieved by this solution are as follows: By setting up a carrier, multiple gauge block components, a sliding seat, and a control component, this structure enables multi-point synchronous measurement of the OBD diameter of the ball screw. The elastic sliding design of the gauge block components allows the measuring part to gently and consistently contact the workpiece under the pull and release of the control component, thereby eliminating errors caused by manual operation or improper fixing in traditional measurements, improving the repeatability and stability of the measurement. At the same time, the precise control of the control component ensures the uniform application of the measuring force, reduces external interference, and makes the entire measurement process more reliable and efficient, meeting the stringent requirements of the high-precision manufacturing field, and significantly improving the consistency and capability indicators of the measurement system.

[0006] In one embodiment of this utility model, each gauge block assembly further includes: a fixing member, which connects the sliding seat and the control component, and the fixing seat has a measuring component on the side closer to the test piece; a sensor module, which is located on the carrier; and a ball head, which connects to the sensor module; wherein the sensor module performs feedback measurement through the ball head and the measuring component.

[0007] Compared with existing technologies, the technical effects achieved by this solution are as follows: By connecting the sliding seat and control components with a fixing component and setting up a sensor module and ball head, this structure enables real-time feedback and accurate acquisition of measurement data. The sensor module, through the cooperation of the ball head and the measuring component, can accurately sense minute changes in the measurement point, thereby providing more reliable measurement signals, enhancing the system's response speed and accuracy, avoiding errors introduced by fluctuations in measurement force or position deviations, ensuring stable measurement results even under complex groove shapes, and at the same time, the overall structure is compact, improving the durability and consistency of the equipment in long-term use.

[0008] In one embodiment of this utility model, the carrier is provided with a mating part, and the sensor module includes: a sensor mounting base disposed on the mating part; and a sensing element disposed on the sensor mounting base.

[0009] Compared with existing technologies, the technical effects achieved by adopting this technical solution are as follows: by placing the sensor mounting base on the mating parts of the carrier and installing the sensing element, this structure ensures the stable positioning and adjustability of the sensor module, reduces the impact of vibration and external environment on the measurement data, and improves the overall rigidity and stability of the measurement system, thereby ensuring the consistency and reliability of the measurement process. At the same time, this design facilitates installation and maintenance, enhances the applicability of the equipment, and enables it to maintain high-precision measurement performance under different working conditions.

[0010] In one embodiment of this utility model, the mating component has multiple mating positions, and the sensor mounting base is located in one of the multiple mating positions.

[0011] Compared with existing technologies, the technical effects achieved by adopting this technical solution are as follows: by setting multiple mating positions through mating parts, the sensor mounting base can be selected in different positions according to actual needs, providing flexible installation options, adapting to the measurement requirements of ball screws of different sizes or types, enhancing the versatility and adaptability of the equipment, simplifying the adjustment process, improving measurement efficiency, avoiding measurement deviations caused by improper fixing positions, and ensuring accurate and reliable measurement results in various application scenarios.

[0012] In one embodiment of this utility model, an elastic element is provided between each sliding seat and each control component, and the initial state of the elastic element is such that the measuring component is close to the component to be measured.

[0013] Compared with existing technologies, the technical effects achieved by this solution are as follows: By setting an elastic element between each sliding seat and the control component, and ensuring that the initial state is that the measuring element is close to the test piece, this structure achieves buffering and gentle contact of the measuring element, avoiding damage to the test piece or measurement errors caused by hard contact. The buffering effect of the elastic element reduces impact force, improves the smoothness and repeatability of the measurement, and ensures the consistent application of the measurement force, enhancing the stability and controllability of the measurement process, thereby improving the overall measurement accuracy and equipment lifespan.

[0014] In one embodiment of this utility model, in the initial state, the measuring element does not contact the object to be measured.

[0015] Compared with existing technologies, the technical effects achieved by adopting this technical solution are as follows: By ensuring that the measuring component does not contact the test piece in the initial state, this structure avoids measurement deviations caused by preloading or accidental contact, making the measurement process start from zero, which is more accurate and controllable. At the same time, it reduces equipment wear and surface damage to the test piece, and extends its service life. This design ensures uniform initialization of the measuring force, improves the consistency and reliability of the measurement, and significantly reduces human operation errors, especially in precision measurement.

[0016] In one embodiment of this utility model, each control component further includes: a mounting position disposed on the carrier; and a control element disposed on the mounting position and connected to the sliding seat.

[0017] Compared with existing technologies, the technical effects achieved by adopting this technical solution are as follows: By setting the mounting position and control components, the control components can control the movement of the sliding seat, realizing the adjustment of the gauge block components. The operation of the control components is simple and reliable, ensuring the uniform application and release of the measuring force, improving the consistency of measurement and ease of operation. At the same time, the design of the mounting position enhances the stability and rigidity of the overall structure, reduces external interference, and makes the measurement process more accurate and efficient, meeting the stringent requirements of high-precision manufacturing.

[0018] In one embodiment of this utility model, multiple gauge blocks are distributed on both sides of the part to be measured.

[0019] Compared with existing technologies, the technical effects achieved by this technical solution are as follows: By distributing multiple gauge block components on both sides of the workpiece to be measured, this structure achieves symmetrical measurement, enabling simultaneous detection of multiple points in the groove, eliminating the eccentricity error that may be caused by unilateral measurement, and improving the comprehensiveness and accuracy of the measurement. It is especially suitable for diameter measurement of circular or symmetrical workpieces. This layout ensures the balanced distribution of measurement forces, reduces the influence of local stress, and thus improves measurement repeatability and overall system performance.

[0020] In one embodiment of this utility model, the shape of the contact side between the measuring element and the part to be measured is adapted to the part to be measured.

[0021] Compared with existing technologies, the technical effects achieved by this solution are as follows: by adapting the shape of the contact side of the measuring component to that of the component under test, the structure ensures that the contact area is maximized and the stress distribution is uniform during measurement, reducing deformation or errors caused by local pressure, improving measurement accuracy and repeatability, and protecting the surface of the component under test from damage. This design adapts to the measurement requirements of complex groove shapes, enhances the applicability and reliability of the equipment, and enables stable measurement results even in high-speed or high-precision applications.

[0022] By adopting the technical solution of this utility model, the following technical effects can be achieved: (1) By setting up a carrier, multiple gauge blocks, a sliding seat and a control component, this structure realizes multi-point synchronous measurement of the diameter of the ball screw OBD. The elastic sliding design of the gauge blocks allows the measuring part to gently and consistently contact the part under the pull and release of the control component, thereby eliminating the error caused by manual operation or improper fixing in traditional measurement, improving the repeatability and stability of the measurement. At the same time, the precise control of the control component ensures the uniform application of the measuring force, reduces external interference, and makes the whole measurement process more reliable and efficient, meeting the strict requirements of the high-precision manufacturing field, and significantly improving the consistency and capability indicators of the measurement system. Attached Figure Description

[0023] To more clearly illustrate the technical solutions of the embodiments of this utility model, the drawings to be used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort. Figure 1 One of the structural schematic diagrams of a ball screw OBD diameter measuring gauge block structure provided in this utility model embodiment; Figure 2A second schematic diagram of a ball screw OBD diameter measuring gauge block structure provided for an embodiment of this utility model; Figure 3 This is the third schematic diagram of a ball screw OBD diameter measuring block gauge structure provided for an embodiment of this utility model; Figure 4 This is the fourth structural schematic diagram of a ball screw OBD diameter measuring gauge block structure provided for an embodiment of the present utility model; Figure 5 The fifth schematic diagram of a ball screw OBD diameter measuring gauge block structure provided for an embodiment of this utility model.

[0024] Explanation of reference numerals in the attached figures: 100. Ball screw OBD diameter measuring gauge block structure; 110. Carrier; 111. Measuring part; 112. Mating part; 113. Mating position; 120. Gauge block assembly; 121. Fixing part; 122. Sensor mounting base; 123. Sensing element; 124. Ball head; 130. Sliding seat; 140. Control component; 141. Mounting position; 142. Control element; 150. Measuring element; 160. Elastic element; 200. Item to be measured. Detailed Implementation

[0025] To make the above-mentioned objectives, features, and advantages of this utility model more apparent and understandable, the technical solutions in the embodiments of this utility model are clearly and completely described. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.

[0026] [First Embodiment] See Figures 1-5 This utility model provides a ball screw OBD diameter measuring gauge block structure 100, comprising: a carrier 110, the carrier 110 having a measuring part 111 for placing a workpiece 200 to be measured; multiple gauge block assemblies 120, the multiple gauge block assemblies 120 being elastically slidably disposed on the carrier 110, and each gauge block assembly 120 having a measuring element 150; multiple sliding seats 130, the multiple sliding seats 130 being disposed on the carrier 110, and each gauge block assembly 120 being correspondingly disposed on one sliding seat 130; and multiple control components 140, the multiple control components 140 being correspondingly connected to the multiple gauge block assemblies 120, and the multiple control components 140 being used to control the multiple gauge block assemblies 120; wherein, the multiple control components 140 correspondingly pull and control the multiple gauge block assemblies 120, and elastically release the multiple gauge block assemblies 120, so that the multiple gauge block assemblies 120 touch the workpiece 200 to be measured.

[0027] Specifically, the measuring component 150 is a probe, specifically a measuring part 111 with a circular head, which can be embedded into the groove of the lead screw for measurement. The sensor module can consist of an LVDT sensor mounting base 122 and an LVDT sensor. The control component 140 can be a cylinder assembly, consisting of a cylinder floating head and a cylinder.

[0028] Specifically, when measuring the lead screw, the lead screw is placed into the measuring section 111. A cylinder pulls the sliding seat 130, causing the ball head 124 to retract towards the cylinder side. During measurement, the cylinder is released, and under the restoring force of the elastic element 160, the measuring element 150 is pushed into the lead screw groove by the sliding seat 130 and the gauge block assembly 120. By simultaneously performing the above operations with multiple gauge block assemblies 120, and measuring multiple grooves of the lead screw, the OBD value of the lead screw can be calculated using the corresponding formula.

[0029] Preferably, by setting up a carrier 110, multiple gauge block assemblies 120, a sliding seat 130, and a control assembly 140, this structure enables multi-point synchronous measurement of the OBD diameter of the ball screw. The elastic sliding design of the gauge block assembly 120 allows the measuring element 150 to gently and consistently contact the workpiece 200 under the pulling and releasing of the control assembly 140, thereby eliminating errors caused by manual operation or improper fixing in traditional measurements, improving the repeatability and stability of the measurement. At the same time, the precise control of the control assembly 140 ensures the uniform application of the measuring force, reduces external interference, and makes the entire measurement process more reliable and efficient, meeting the stringent requirements of the high-precision manufacturing field, and significantly improving the consistency and capability indicators of the measurement system.

[0030] Specifically, each gauge block assembly 120 further includes: a fixing member 121, which connects the sliding seat 130 and the control assembly 140, and a measuring element 150 is provided on the side of the fixing seat near the test piece 200; a sensor module, which is located on the carrier 110; and a ball head 124, which is connected to the sensor module; wherein the sensor module performs feedback measurement through the ball head 124 and the measuring element 150.

[0031] Preferably, the sliding seat 130 and the control component 140 are connected by the fixing member 121, and a sensor module and a ball head 124 are provided. This structure realizes real-time feedback and accurate acquisition of measurement data. The sensor module can accurately sense the minute changes of the measurement point through the cooperation of the ball head 124 and the measuring component 150, thereby providing a more reliable measurement signal, enhancing the system's response speed and accuracy, avoiding errors introduced by fluctuations in measurement force or position deviations, ensuring stable measurement results even under complex groove shapes, and at the same time, the overall structure is compact, improving the durability of the equipment and its consistency in long-term use.

[0032] Specifically, the carrier 110 is provided with a mating part 112, and the sensor module includes: a sensor mounting base 122, which is disposed on the mating part 112; and a sensing element 123, which is disposed on the sensor mounting base 122.

[0033] Preferably, by placing the sensor mounting base 122 on the mating part 112 of the carrier 110 and installing the sensing element 123, this structure ensures the stable positioning and adjustability of the sensor module, reduces the impact of vibration and external environment on the measurement data, and improves the overall rigidity and stability of the measurement system, thereby ensuring the consistency and reliability of the measurement process. At the same time, this design facilitates installation and maintenance, enhances the applicability of the equipment, and enables it to maintain high-precision measurement performance under different working conditions.

[0034] Specifically, the mating part 112 is provided with multiple mating positions 113, and the sensor mounting base 122 is located in one of the multiple mating positions 113.

[0035] Preferably, multiple mating positions 113 are set by the mating parts 112, and the sensor mounting base 122 can be selected in different positions according to actual needs, providing flexible installation options, adapting to the measurement requirements of ball screws of different sizes or types, enhancing the versatility and adaptability of the equipment, simplifying the adjustment process, improving measurement efficiency, avoiding measurement deviations caused by improper fixing positions, and ensuring accurate and reliable measurement results in various application scenarios.

[0036] Specifically, an elastic element 160 is provided between each sliding seat 130 and each control component 140, and the initial state of the elastic element 160 is such that the measuring element 150 is close to the measured element 200.

[0037] Preferably, by providing an elastic element 160 between each sliding seat 130 and the control component 140, and setting its initial state so that the measuring element 150 is close to the test piece 200, this structure achieves buffering and gentle contact of the measuring element 150, avoiding damage to the test piece 200 or measurement errors caused by hard contact. The buffering effect of the elastic element 160 reduces impact force, improves the smoothness and repeatability of measurement, and ensures consistent application of measurement force, enhancing the stability and controllability of the measurement process, thereby improving the overall measurement accuracy and equipment lifespan.

[0038] Specifically, in the initial state, the measuring component 150 does not contact the test component 200.

[0039] Preferably, by ensuring that the measuring element 150 does not contact the test piece 200 in the initial state, this structure avoids measurement deviations caused by preloading or accidental contact, making the measurement process start from zero, more accurate and controllable, while reducing equipment wear and surface damage to the test piece 200, and extending service life. This design ensures uniform initialization of the measuring force, improves the consistency and reliability of the measurement, and significantly reduces human operation errors, especially in precision measurement.

[0040] Specifically, each control component 140 further includes: a mounting position 141, which is located on the carrier 110; and a control element 142, which is located on the mounting position 141 and is connected to the sliding seat 130.

[0041] Preferably, by setting the mounting position 141 and the control component 142, the control component 140 can control the movement of the sliding seat 130, thereby realizing the adjustment of the gauge block component 120. The operation of the control component 142 is simple and reliable, ensuring the uniform application and release of the measuring force, improving the consistency of measurement and the convenience of operation. At the same time, the design of the mounting position 141 enhances the stability and rigidity of the overall structure, reduces external interference, and makes the measurement process more accurate and efficient, meeting the strict requirements of high-precision manufacturing.

[0042] Specifically, multiple gauge blocks 120 are distributed on both sides of the test piece 200.

[0043] Preferably, by distributing multiple gauge block components 120 on both sides of the workpiece 200, this structure achieves symmetrical measurement, enabling simultaneous detection of multiple points in the groove, eliminating the eccentricity error that may be caused by unilateral measurement, and improving the comprehensiveness and accuracy of the measurement. It is especially suitable for diameter measurement of circular or symmetrical workpieces. This layout ensures a balanced distribution of measuring forces, reduces the influence of local stress, and thus improves measurement repeatability and overall system performance.

[0044] Specifically, the shape of the contact side between the measuring component 150 and the component under test 200 is adapted to the component under test 200.

[0045] Preferably, by adapting the shape of the contact side of the measuring element 150 to the shape of the part to be measured 200, this structure ensures that the contact area is maximized and the stress distribution is uniform during measurement, reducing deformation or error caused by local pressure, improving measurement accuracy and repeatability, and protecting the surface of the part to be measured 200 from damage. This design adapts to the measurement requirements of complex groove shapes, enhances the applicability and reliability of the equipment, and enables stable measurement results even in high-speed or high-precision applications.

[0046] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this utility model, and not to limit it. Although this utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of this utility model.

Claims

1. A ball screw OBD diameter measuring block gauge structure, characterized by, include: The carrier (110) is provided with a measuring part (111) for placing the part to be measured (200); Multiple gauge blocks (120) are elastically slidably disposed on the carrier (110), and each gauge block (120) is provided with a measuring element (150); Multiple sliding seats (130) are provided on the carrier (110), and each block gauge component (120) is correspondingly provided on one sliding seat (130); Multiple control components (140) are connected one-to-one with the multiple block gauge components (120), and the multiple control components (140) are used to control the multiple block gauge components (120); The plurality of control components (140) are respectively pulled to control the plurality of gauge block components (120) and elastically released to allow the plurality of gauge block components (120) to touch and measure the test piece (200).

2. The ball screw OBD diameter measuring block gauge structure according to claim 1, wherein, Each block gauge component (120) also includes: A fixing member (121) is connected to a sliding seat (130) and a control component (140), and the measuring element (150) is provided on the side of the fixing member close to the test piece (200); A sensor module is disposed on the carrier (110); A ball head (124) is connected to the sensor module; The sensor module performs feedback measurement through the ball head (124) and the measuring element (150).

3. The ball screw OBD diameter measuring block gauge structure according to claim 2, wherein, The carrier (110) is provided with a mating part (112), and the sensor module includes: A sensor mounting base (122) is disposed on the mating member (112); A sensing element (123) is disposed on the sensor mounting base (122).

4. The ball screw OBD diameter measuring gauge block structure according to claim 3, characterized in that, The mating component (112) is provided with a plurality of mating positions (113), and the sensor mounting base (122) is located in one of the plurality of mating positions (113).

5. The ball screw OBD diameter measuring gauge block structure according to claim 1, characterized in that, An elastic element (160) is provided between each sliding seat (130) and each control component (140), the elastic element (160) being initially positioned such that the measuring element (150) is close to the test element (200).

6. The ball screw OBD diameter measuring gauge block structure according to claim 5, characterized in that, In the initial state, the measuring element (150) does not contact the test element (200).

7. The ball screw OBD diameter gauge block structure according to claim 1, wherein Each control component (140) also includes: Mounting position (141), the mounting position (141) is provided on the carrier (110); A control element (142) is provided at the mounting position (141) and the control element (142) is connected to a sliding seat (130).

8. The ball screw OBD diameter gauge block structure according to claim 1, wherein, Also includes: The plurality of block gauge assemblies (120) are arranged on both sides of the measured object (200). 9.The ball screw OBD diameter measuring block gauge structure according to claim 1, wherein, The shape of the contact side of the measuring object (150) and the measured object (200) is adapted to the measured object (200).

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