Assembly surface flatness detection jig for multi-surface assembly workpiece

By designing an assembly surface flatness detection fixture for multi-faceted assembly workpieces, the driving unit drives the movable plate and the measuring probe to achieve simultaneous measurement of multiple assembly surfaces, it solves the difficulty in ensuring the assembly surface flatness in the prior art and The problem of low measurement efficiency improves measurement efficiency and accuracy.

CN222505390UActive Publication Date: 2025-02-18SHENZHEN TINYPLUS ELECTRONIC TECH CO LTD
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Patent Information

Application Number
CN202421371589.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-14
Publication Date
2025-02-18
Estimated Expiration
2034-06-14

AI Technical Summary

Technical Problem

The prior art is difficult to ensure the flatness of the assembly surface during the processing of parts, and the manual measurement efficiency is low, making it difficult to meet production requirements.

Method used

A mounting surface flatness detection fixture for multi-faceted assembly workpieces is designed, including the installation body, the lower mold mechanism and the upper mold mechanism. The driving unit drives the movable plate and the measuring probe to achieve simultaneous measurement of multiple assembly surfaces.

Benefits of technology

The fixture remains stable during the measurement process and can measure multiple assembly surfaces simultaneously, which improves measurement efficiency, meets production requirements, and ensures measurement accuracy.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an assembly surface flatness detection tool for a multi-surface assembly workpiece. The assembly surface flatness detection tool comprises an installation main body, a lower die mechanism and an upper die mechanism. Wherein the mounting main body comprises a horizontally arranged mounting bottom plate and a fixing frame, the fixing frame is vertically mounted on the mounting bottom plate, and a driving unit is mounted on the fixing frame; the lower die mechanism is arranged on one side of the bottom of the fixing frame and comprises an installation base, the installation base is movably connected with the installation bottom plate, and the installation base is provided with a containing cavity capable of containing a to-be-detected workpiece; the upper die mechanism is arranged above the lower die mechanism and comprises a movable plate and a plurality of measuring probes, the measuring probes are arranged on the movable plate, the movable plate is connected with the driving unit, and the driving unit drives the movable plate to move downwards so that the measuring probes can abut against the assembling faces of the workpiece to be detected and detect the flatness of the assembling faces. According to the utility model, the workpiece can be kept stable in the measurement process, a plurality of assembly surfaces of the workpiece can be measured at the same time, and the measurement work efficiency is high.
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Description

Technical Field

[0001] The utility model relates to the technical field of measuring jigs, in particular to an assembly surface flatness detection jig for multi-surface assembly workpieces. Background Art

[0002] With the rapid development of modern industry, in some fields with high requirements for parts processing precision, not only the part size is required to meet high precision, but also the requirements for the part surface, especially the flatness of the assembly surface are also very high.

[0003] In the daily parts processing process, when measuring the flatness of parts, the manual measurement method not only increases the labor cost, but also the measurement process is unstable, making it difficult to ensure the flatness of the assembly surface; in addition, during manual measurement, the flatness of only one assembly surface can be measured at a time, so the measurement efficiency is low and it is difficult to meet production requirements.

[0004] Therefore, it is necessary to design a fixture that can keep the workpiece stable during the measurement process and can simultaneously measure the flatness of multiple assembly surfaces of the workpiece. Utility Model Content

[0005] The utility model aims to solve at least one of the technical problems existing in the prior art. To this end, the utility model proposes a flatness detection fixture for the assembly surface of a multi-surface assembly workpiece, which can maintain stability during the measurement process and can simultaneously measure multiple assembly surfaces of the workpiece, with high measurement efficiency.

[0006] The technical solution adopted by the utility model to solve its technical problems is: an assembly surface flatness detection fixture for multi-faceted assembly workpieces, including an installation body, a lower mold mechanism and an upper mold mechanism; wherein the installation body includes a horizontally arranged installation base plate and a fixing frame, the fixing frame is vertically installed on the installation base plate, and a driving unit is installed on the fixing frame; the lower mold mechanism is arranged on one side of the bottom of the fixing frame, including a mounting base, the mounting base is movably connected to the mounting base plate, and the mounting base is provided with a placement cavity for accommodating the workpiece to be measured; the upper mold mechanism is arranged above the lower mold mechanism, including a movable plate and a plurality of measuring probes, the measuring probes are arranged on the movable plate, the movable plate is connected to the driving unit, and the driving unit drives the movable plate downward so that the plurality of measuring probes abut against a plurality of assembly surfaces of the workpiece to be measured, and the flatness of the plurality of assembly surfaces is detected.

[0007] According to an embodiment of the utility model, a fixture for detecting the flatness of an assembly surface of a multi-sided assembly workpiece has at least the following beneficial effects: an installation body includes an installation base plate and a fixing frame, so that the overall structure is stable, and no deviation occurs during the measurement process, thereby ensuring the accuracy of the measurement; the installation base of the lower mold mechanism has a placement cavity for accommodating the workpiece, and the upper mold mechanism includes a movable plate and a plurality of measuring probes, and the plurality of measuring probes are arranged on the movable plate, and a driving unit is connected to the movable plate, and the driving unit can drive the movable plate downward to approach and abut the workpiece, thereby allowing multiple measuring probes to simultaneously measure the flatness of different assembly surfaces of the workpiece, meeting the requirement of measuring the flatness of multiple assembly surfaces each time, thereby improving the measurement efficiency.

[0008] According to some embodiments of the utility model, a first fixed block and a second fixed block are fixedly installed on the bottom of the movable plate, the first fixed block and the second fixed block are set to different sizes, the number of measuring probes is more than two, the more than two measuring probes are divided into two groups, the two groups of measuring probes are respectively fixed to the bottom of the movable plate through the first fixed block and the second fixed block, and the two groups of measuring probes can respectively measure the flatness of assembly surfaces of different heights of the workpiece to be measured.

[0009] The beneficial effect is that the two sets of measuring probes are fixedly arranged at the bottom of the movable plate through the first fixing block and the second fixing block respectively, and can respectively measure the assembly surfaces of different heights of the workpiece to be measured, thereby effectively improving the performance of the fixture and meeting the detection requirements.

[0010] According to some embodiments of the utility model, the movable plate is provided with a reference probe, a spring is mounted on the reference probe, a mounting hole is provided on the workpiece to be measured, and when the bottom surface of the reference probe abuts against the peripheral plane of the mounting hole, calibration of the reference surface is achieved.

[0011] The beneficial effect is that the movable plate is provided with a reference probe. When the movable plate moves downward, the bottom surface of the reference probe contacts the plane around the mounting hole, thereby realizing reference surface calibration, providing a measurement reference for assembly surface measurement, and facilitating flatness measurement of the assembly surface of the workpiece.

[0012] According to some embodiments of the present invention, the movable plate is made of insulating material.

[0013] The beneficial effect is that by setting the movable plate to be an insulating material, the safety performance of the movable plate can be improved, thereby protecting life safety and ensuring the stability of the measurement process.

[0014] According to some embodiments of the present utility model, a plurality of fixing seats are arranged on the installation base plate, and positioning probes are arranged on the fixing seats.

[0015] The beneficial effect is that: a plurality of fixing seats are provided with positioning probes, and a plurality of positioning holes are provided on the workpiece, and the plurality of positioning probes are respectively matched with the plurality of positioning holes, thereby facilitating the positioning of the workpiece and effectively improving the efficiency of workpiece positioning.

[0016] According to some embodiments of the present invention, the installation base plate is provided with a plurality of avoidance grooves, and the avoidance grooves allow the positioning probe to move through.

[0017] The beneficial effect is that by arranging the avoidance groove on the installation base plate, it is possible to effectively avoid interference between the positioning probe and the installation base plate, thereby preventing the positioning probe from being damaged, and the service life of the positioning probe can be increased.

[0018] According to some embodiments of the utility model, a plurality of floating pins are provided on the installation base plate, and the installation base plate is movably connected to the installation base through the plurality of floating pins.

[0019] The beneficial effect is that the mounting base is movably connected to the mounting base through a plurality of floating pins, so that the floating pins have a floating effect on the mounting base, thereby maintaining a gap between the mounting base and the mounting base, and having a guiding effect on the movement of the mounting base.

[0020] According to some embodiments of the utility model, the driving unit is a cylinder, a connecting block is provided at the telescopic end of the cylinder, and the cylinder is fixedly connected to the movable plate through the connecting block.

[0021] The beneficial effect is that the driving unit is a cylinder, and the movable plate is moved closer to or away from the workpiece by pneumatic means, thereby achieving automation and remote control, which can effectively improve the efficiency of positioning and measurement.

[0022] According to some embodiments of the utility model, the fixed frame includes two fixed side plates arranged in parallel on the mounting base and a mounting block, the two ends of the mounting block are respectively fixedly connected to the top of the fixed side plates, and the side of the mounting block away from the fixed side plates is fixedly connected to the cylinder.

[0023] The beneficial effects are: the fixed side plate is arranged in parallel on the mounting base, the two ends of the mounting block are respectively fixedly connected to the top of the fixed side plate, and the cylinder is fixedly connected to the mounting block, thereby making the cylinder installation stable and ensuring a smooth cylinder driving process.

[0024] According to some embodiments of the present invention, the fixing frame further includes two reinforcement blocks, and the two reinforcement blocks are respectively fixedly mounted on the inner sides of the bottoms of the two fixed side panels.

[0025] The beneficial effect is that by arranging the reinforcing block on the inner side of the bottom of the fixed side plate, the overall structural strength of the fixing frame can be increased, the stability of the fixing frame is improved, and thus, the assembly surface flatness measurement process can be ensured to be stable and efficient.

[0026] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] The above and / or additional aspects and advantages of the present invention will become apparent and easily understood from the description of the embodiments in conjunction with the following drawings, in which:

[0028] Figure 1 It is a schematic diagram of the structure of an embodiment of the utility model;

[0029] Figure 2 It is a front view of an embodiment of the utility model;

[0030] Figure 3 A side view of an embodiment of the utility model;

[0031] Figure 4 for Figure 2 AA cross-sectional view in.

[0032] Figure numerals: mounting base plate 1, fixing seat 11, positioning probe 12, avoidance groove 13, floating pin 14, fixing frame 2, fixed side plate 21, mounting block 22, reinforcement block 23, driving unit 3, connecting block 31, mounting base 4, mounting cavity 41, movable plate 5, first fixing block 51, second fixing block 52, reference probe 53, spring 54, measuring probe 6. DETAILED DESCRIPTION

[0033] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.

[0034] In the description of the present invention, it should be understood that descriptions involving orientation, such as up, down, front, back, left, right, etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0035] In the description of the present utility model, "several" means one or more, "more" means more than two, "greater than", "less than", "exceed" etc. are understood to exclude the number itself, and "above", "below", "within" etc. are understood to include the number itself. If there is a description of "first" or "second", it is only used for the purpose of distinguishing the technical features, and cannot be understood as indicating or implying the relative importance or implicitly indicating the number of the indicated technical features or implicitly indicating the order of the indicated technical features.

[0036] In the description of the present invention, unless otherwise clearly defined, terms such as setting, installing, connecting, etc. should be understood in a broad sense, and technicians in the relevant technical field can reasonably determine the specific meanings of the above terms in the present invention based on the specific content of the technical solution.

[0037] Reference below Figure 1-Figure 4 A fixture for detecting the flatness of an assembly surface of a multi-surface assembly workpiece is described in detail with a specific embodiment. It is worth noting that the following description is only an exemplary description and not a specific limitation of the utility model.

[0038] like Figure 1 As shown, a fixture for detecting the flatness of an assembly surface of a multi-sided assembly workpiece includes an installation body, a lower mold mechanism and an upper mold mechanism; wherein the installation body includes a horizontally arranged installation base plate 1 and a fixing frame 2, the fixing frame 2 is vertically installed on the installation base plate 1, and a driving unit 3 is installed on the fixing frame 2; the lower mold mechanism is arranged on one side of the bottom of the fixing frame 2, and includes a mounting base 4, the mounting base 4 is movably connected to the installation base plate 1, and the mounting base 4 is provided with a placement cavity for accommodating a workpiece to be measured; the upper mold mechanism is arranged above the lower mold mechanism, and includes a movable plate 5 and a plurality of measuring probes 6, the measuring probes 6 are arranged on the movable plate 5, the movable plate 5 is connected to the driving unit 3, and the driving unit 3 drives the movable plate 5 downward so that the plurality of measuring probes 6 abut against a plurality of assembly surfaces of the workpiece to be measured, and detects the flatness of the plurality of assembly surfaces.

[0039] The installation body includes a mounting base plate 1 and a fixing frame 2, so that the overall structure is stable, the measurement process will not deviate, and the accuracy of the measurement is guaranteed; the mounting base 4 of the lower mold mechanism has a placement cavity for accommodating the workpiece, and the upper mold mechanism includes a movable plate 5 and a plurality of measuring probes 6, and the plurality of measuring probes 6 are arranged on the movable plate 5, and the driving unit 3 is connected to the movable plate 5, and the driving unit 3 can drive the movable plate 5 downward to approach and abut the workpiece, thereby allowing multiple measuring probes 6 to simultaneously measure the flatness of different assembly surfaces of the workpiece, meeting the requirement of measuring the flatness of multiple assembly surfaces each time, thereby improving the measurement efficiency.

[0040] Reference Figure 2A first fixing block 51 and a second fixing block 52 are fixedly installed at the bottom of the movable plate 5. The first fixing block 51 and the second fixing block 52 are set to different sizes. The number of measuring probes 6 is more than two, and the more than two measuring probes 6 are divided into two groups. The two groups of measuring probes 6 are respectively fixed to the bottom of the movable plate 5 through the first fixing block 51 and the second fixing block 52. The two groups of measuring probes 6 can respectively measure the flatness of assembly surfaces of different heights of the workpiece to be measured.

[0041] The two groups of measuring probes 6 are fixedly arranged at the bottom of the movable plate 5 by the first fixing block 51 and the second fixing block 52 respectively, and can respectively measure the assembly surfaces of different heights of the workpiece to be measured, thereby effectively improving the performance of the fixture and meeting the detection requirements.

[0042] In some specific embodiments of the utility model, the movable plate 5 is provided with a reference probe 53, on which a spring 54 is mounted, and a mounting hole is provided on the workpiece to be measured. When the bottom surface of the reference probe 53 is against the peripheral plane of the mounting hole, calibration of the reference surface is achieved.

[0043] The movable plate 5 is provided with a reference probe 53. When the movable plate 5 moves downward, the bottom surface of the reference probe 53 abuts against the plane around the mounting hole, which can locate the workpiece and calibrate the reference surface, and can provide a measurement reference for the assembly surface measurement, so as to facilitate the flatness measurement of the workpiece assembly surface. In addition, the spring 54 mounted on the reference probe 53 has the function of ensuring that the workpiece moves downward in a balanced manner.

[0044] Preferably, by setting the movable plate 5 to be an insulating material, the safety performance of the movable plate 5 can be improved, thereby protecting life safety and ensuring the stability of the measurement process.

[0045] Reference Figure 3 A plurality of fixing seats 11 are arranged on the mounting base plate 1, and positioning probes 12 are arranged on the fixing seats 11. It should be noted that a through groove for accommodating the fixing seats 11 is correspondingly arranged on the mounting base 4, and positioning probes 12 are arranged on the fixing seats 11. Therefore, it is convenient to position the workpiece, and the efficiency of workpiece installation can be effectively improved.

[0046] Preferably, the installation base plate 1 is provided with a plurality of avoidance grooves 13 , and the avoidance grooves 13 allow the positioning probe 12 to move through.

[0047] By providing the avoidance groove 13 on the mounting base plate 1 , it is possible to effectively avoid interference between the positioning probe 12 and the mounting base plate 1 , thereby preventing the positioning probe 12 from being damaged, and to increase the service life of the positioning probe 12 .

[0048] Reference Figure 4A plurality of floating pins 14 are arranged on the installation base plate 1 , and the floating pins 14 are arranged equidistantly. The installation base plate 1 is movably connected to the installation base 4 through the plurality of floating pins 14 .

[0049] The mounting base plate 1 is movably connected to the mounting base 4 via a plurality of floating pins 14, so that the floating pins 14 have a floating effect on the mounting base plate 1, thereby maintaining a gap between the mounting base plate 1 and the mounting base 4 and guiding the movement of the mounting base plate 1.

[0050] Specifically, the driving unit 3 is a cylinder, a connecting block 31 is provided at the telescopic end of the cylinder, and the cylinder is fixedly connected to the movable plate 5 via the connecting block 31 .

[0051] The driving unit 3 is a cylinder, and the cylinder is connected to an external air source, and the movable plate 5 is moved closer to or away from the workpiece in a pneumatic manner, thereby realizing automation and remote control, which can effectively improve the efficiency of positioning and measurement.

[0052] In some specific embodiments of the present invention, specific reference is made to Figure 4 The fixing frame 2 includes two fixing side plates 21 and a fixing block 22 which are arranged in parallel on the fixing base 4. The two ends of the fixing block 22 are fixedly connected to the top of the fixing side plates 21 respectively, and the side of the fixing block 22 away from the fixing side plates 21 is fixedly connected to the cylinder.

[0053] The fixed side plate 21 is arranged in parallel on the mounting base 4, and the two ends of the mounting block 22 are fixedly connected to the top of the fixed side plate 21 respectively, and the cylinder is fixedly connected to the mounting block 22, thereby making the cylinder installation stable and ensuring a smooth cylinder driving process.

[0054] Furthermore, the fixing frame 2 further includes two reinforcement blocks 23 , and the two reinforcement blocks 23 are respectively fixedly mounted on the inner sides of the bottoms of the two fixing side plates 21 .

[0055] By arranging the reinforcing block 23 on the inner side of the bottom of the fixed side plate 21, the overall structural strength of the fixing frame 2 can be increased, and the stability of the fixing frame 2 is improved, thereby ensuring that the assembly surface flatness measurement process is stable and efficient.

[0056] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge scope of ordinary technicians in the technical field without departing from the purpose of the present invention.

Claims

1. A fixture for detecting the flatness of an assembly surface of a multi-surface assembly workpiece, characterized in that: include: The installation body comprises a horizontally arranged installation base plate (1) and a fixing frame (2), wherein the fixing frame (2) is vertically installed on the installation base plate (1), and a driving unit (3) is installed on the fixing frame (2); A lower mold mechanism is arranged on one side of the bottom of the fixing frame (2), and comprises a mounting base (4), wherein the mounting base (4) is movably connected to the mounting base plate (1), and the mounting base (4) is provided with a placement cavity (41) capable of accommodating a workpiece to be measured; An upper mold mechanism is arranged above the lower mold mechanism, and comprises a movable plate (5) and a plurality of measuring probes (6). The measuring probes (6) are arranged on the movable plate (5). The movable plate (5) is connected to the driving unit. The driving unit (3) drives the movable plate (5) downward so that the plurality of measuring probes (6) abut against a plurality of assembly surfaces of the workpiece to be measured, and detects the flatness of the plurality of assembly surfaces.

2. The assembly surface flatness detection jig for multi-surface assembly workpieces according to claim 1, characterized in that: A first fixing block (51) and a second fixing block (52) are fixedly mounted on the bottom of the movable plate (5); the first fixing block (51) and the second fixing block (52) are set to have different sizes; the number of the measuring probes (6) is more than two; the more than two measuring probes (6) are divided into two groups; the two groups of measuring probes (6) are respectively fixed to the bottom of the movable plate (5) through the first fixing block (51) and the second fixing block (52); the two groups of measuring probes (6) can respectively measure the flatness of assembly surfaces of different heights of the workpiece to be measured.

3. The assembly surface flatness detection jig for multi-surface assembly workpieces according to claim 1, characterized in that: The movable plate (5) is provided with a reference probe (53), a spring (54) is sleeved on the reference probe (53), a mounting hole is provided on the workpiece to be measured, and when the bottom surface of the reference probe (53) abuts against the peripheral plane of the mounting hole, calibration of the reference surface is achieved.

4. The assembly surface flatness detection jig for multi-surface assembly workpieces according to claim 1, characterized in that: The movable plate (5) is made of insulating material.

5. The assembly surface flatness detection jig for multi-surface assembly workpieces according to claim 1, characterized in that: A plurality of fixing seats (11) are arranged on the installation base plate (1), and a positioning probe (12) is arranged on the fixing seat (11).

6. The assembly surface flatness detection jig for multi-surface assembly workpieces according to claim 5, characterized in that: The installation base plate (1) is provided with a plurality of avoidance grooves (13), and the avoidance grooves (13) allow the positioning probe (12) to move through.

7. The assembly surface flatness detection jig for multi-surface assembly workpieces according to claim 1, characterized in that: A plurality of floating pins (14) are provided on the installation base plate (1), and the installation base plate (1) is movably connected to the installation base (4) via the plurality of floating pins (14).

8. The assembly surface flatness detection jig for multi-surface assembly workpieces according to claim 1, characterized in that: The driving unit (3) is a cylinder, a connecting block (31) is provided at the telescopic end of the cylinder, and the cylinder is fixedly connected to the movable plate (5) via the connecting block (31).

9. The assembly surface flatness detection jig for multi-surface assembly workpieces according to claim 8, characterized in that: The fixing frame (2) comprises two fixing side plates (21) and a mounting block (22) arranged in parallel on the mounting base (4); two ends of the mounting block (22) are respectively fixedly connected to the top of the fixing side plates (21); and a side of the mounting block (22) away from the fixing side plates (21) is fixedly connected to the driving unit (3).

10. The assembly surface flatness detection jig for multi-surface assembly workpieces according to claim 9, characterized in that: The fixing frame (2) further comprises two reinforcement blocks (23), and the two reinforcement blocks (23) are respectively fixedly mounted on the inner sides of the bottoms of the two fixing side plates (21).