Modularized plane measuring jig
Through the design of modular plane measuring fixtures and the use of air bags to blow away dust, the measurement error problem caused by surface contamination of the workpiece is solved, achieving higher measurement accuracy.
Patent Information
- Application Number
- CN202422667970.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-01
- Publication Date
- 2025-10-21
- Estimated Expiration
- 2034-11-01
AI Technical Summary
Dust particles may accumulate on the workpiece and measurement reference surface during transportation and production, leading to measurement errors and affecting measurement accuracy.
A modular planar measuring fixture was designed, comprising an upper cover plate and a lower cover plate, with an internal fixing plate and an airbag. The airbag generates air thrust to blow away dust, and together with the fixing plate and the light shield, the measurement accuracy is ensured.
It effectively cleans dust and impurities from the workpiece surface, improves measurement accuracy, and ensures the accuracy of measurement results.
Smart Images

Figure CN223454737U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to the plane measurement jig related technical field, concretely relates to a modular plane measurement jig. BACKGROUND
[0002] The modular plane measurement jig is a tool specially used for accurately measuring and testing workpieces, which usually has the characteristics of being detachable and reassemblable to adapt to different measurement requirements, and is widely used in the industries of mechanical processing, electronic manufacturing, aerospace, etc. for product quality control and process verification, but the workpieces and measurement reference surfaces may be contaminated by dust particles during transportation and production, and the surface contamination may cause measurement errors, which will directly affect the measurement accuracy. UTILITY MODEL CONTENT
[0003] The utility model aims at providing a modular plane measurement jig to solve the problem of workpiece and measurement reference surface contamination by dust particles during transportation and production, and the surface contamination may cause measurement errors, which will directly affect the measurement accuracy.
[0004] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a modular plane measurement jig, comprising an upper cover plate and a lower cover plate;
[0005] The lower cover plate is provided with an upper cover plate at the upper end, and the inner walls of the upper and lower cover plates are provided with a fixed plate, which is used for fixing the product;
[0006] The lower cover plate is provided with an air bag at the right side;
[0007] Two air inlet pipes are inserted and connected to the right end of the lower cover plate, and the air inlet pipes and the air bag are connected and fixed by a connecting pipe. An air outlet is formed at the left end of the lower cover plate, and the air bag is pressed to generate air thrust to blow the dust on the surface of the product inside the lower cover plate.
[0008] Preferably, the outer walls of the two air inlet pipes are provided with clamping grooves, the outer wall of the connecting pipe is provided with a fixed ring on the left side, and the connecting pipe is inserted into the outer wall of the air inlet pipe and fixed in the clamping groove by the fixed ring.
[0009] Preferably, the air outlet is smaller on the left side and larger on the right side, which can better accumulate air and guide the flow direction of air flow, and the connecting pipe is made of rubber material.
[0010] Preferably, the inner wall of the upper cover plate is provided with a light shield, the light shield is used for light shielding and reducing light interference, the fixed plate is provided with a fixed column on the left upper side and the right lower side of the front end, and the two fixed columns are used for inserting and fixing the product in the hole of the product surface.
[0011] Preferably, the lower cover plate upper end left and right sides are provided with a plurality of protrusions, the upper cover plate lower end left and right sides are provided with a plurality of recesses, the lower cover plate and the upper cover plate are closed and positioned by the protrusions inserted into the recesses.
[0012] Preferably, the lower cover plate and the upper cover plate are made of stainless steel, and the fixing plate and the light shielding plate in the lower cover plate and the upper cover plate are detachable and replaceable to install different types of fixing plate and light shielding plate.
[0013] Compared with the prior art, the utility model provides a modularization plane measuring jig with the following beneficial effects:
[0014] Select corresponding fixing plate and light shielding plate, and fix the suitable fixing plate and light shielding plate on the upper and lower ends of the inner walls of the lower cover plate and the upper cover plate, then fix the fixing column on the upper end of the product corresponding fixing plate, and close the upper cover plate and the lower cover plate to measure the product fixed inside, after placing the product on the upper end of the fixing plate on the inner wall of the lower cover shell and the upper cover shell, air is delivered to the inside of the lower cover shell and the upper cover shell through the connecting pipe by pressing the air bag, the air entering through extrusion has a certain thrust, so that the dust particles on the surface of the product are blown to the left, and the dust is blown out from the exhaust port along the gas, so that the dust on the surface of the product is cleaned, the dust, particles and impurities on the measuring plane and the surface of the product are removed, the cleanliness of the surface of the product is ensured, and the measurement accuracy is improved. BRIEF DESCRIPTION OF DRAWINGS
[0015] Figure 1 It is a modularization plane measuring jig structure schematic view of the utility model.
[0016] Figure 2 It is a left end planing structure schematic view of the modularization plane measuring jig of the utility model.
[0017] Figure 3 It is a lower cover plate upper end plane structure schematic view of the utility model.
[0018] Figure 4 It is an upper cover plate internal plane structure schematic view of the utility model.
[0019] Figure 5 It is an air bag and lower cover plate connection structure schematic view of the utility model.
[0020] Figure 6 It is an air inlet pipe and pull groove structure schematic view of the utility model.
[0021] In the drawing: 1, lower cover plate; 2, upper cover plate; 3, connecting pipe; 4, air bag; 5, fixing plate; 6, protrusion; 7, recess; 8, light shielding plate; 9, exhaust port; 10, fixing column; 11, air inlet pipe; 12, fixing ring; 13, clamping groove. DETAILED DESCRIPTION
[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.
[0023] The utility model provides a kind of modularization plane measuring jig as Figures 1-6 As shown in a kind of modularization plane measuring jig, including upper cover plate 2 and lower cover plate 1;
[0024] Upper end of lower cover plate 1 is provided with upper cover plate 2, and the inner wall of upper and lower cover plate 1 is provided with fixed plate 5, and the fixed plate 5 is used to fix product;
[0025] Lower cover plate 1 right side is provided with air bag 4;
[0026] Two air inlet pipes 11 are inserted and arranged at the right end of lower cover plate 1, the two air inlet pipes 11 are connected and fixed with air bag 4 through connecting pipe 3, the left end of lower cover plate 1 is provided with air outlet 9, and air bag 4 is pressed to generate air thrust to blow the dust on the surface of the product in the lower cover plate 1.
[0027] The product is fixed on the upper end of fixed plate 5, and then the upper cover plate 2 and the lower cover plate 1 are closed to measure the fixed product in the inside, after the product is placed on the upper end of fixed plate 5 on the inner wall of lower cover shell and the upper cover shell is closed, air is transported to the inside of lower cover shell and upper cover shell by pressing air bag 4 through connecting pipe 3, the dust particles on the surface of the product are blown to the left by extruding the entering air with a certain thrust, and the dust is blown out from air outlet 9 along with the gas.
[0028] As shown in Figure 1 And Figure 2 Two air inlet pipes 11 are inserted and arranged at the right end of lower cover plate 1, the two air inlet pipes 11 are connected and fixed with air bag 4 through connecting pipe 3, the left end of lower cover plate 1 is provided with air outlet 9, and air bag 4 is pressed to generate air thrust to blow the dust on the surface of the product in the lower cover plate 1.
[0029] When connecting pipe 3 is connected with air inlet pipe 11, first, fixed ring 12 is sleeved on the left outer wall of connecting pipe 3, connecting pipe 3 is inserted on the outer wall of air inlet pipe 11, and then fixed ring 12 is moved to be clamped in the clamping groove 13 on the outer wall of air inlet pipe 11 to fix connecting pipe 3 and prevent it from falling off.
[0030] As shown in Figure 2 And Figure 4As shown, the inner wall of the upper cover plate 2 is provided with a light shield 8, which is used for light shielding and light interference reduction. The upper left side and the lower right side of the front end of the fixed plate 5 are provided with fixed columns 10, and the two fixed columns 10 are used for inserting and fixing the product at the hole of the product surface.
[0031] The influence of external light is reduced by the light shield 8, thereby increasing the accuracy of measurement. The hole of the product surface is correspondingly fixed to the fixed column 10 on the surface of the fixed plate 5, and the hole of the product surface is sleeved on the fixed column 10 at the upper end of the fixed plate 5 to be fixed to the fixed column 10 at the upper end of the fixed plate 5.
[0032] As shown in Figure 1 and Figure 2 The upper end of the lower cover plate 1 is provided with a plurality of protrusions 6, and the lower end of the upper cover plate 2 is provided with a plurality of recesses 7. The lower cover plate 1 and the upper cover plate 2 are positioned by inserting the protrusions 6 into the recesses 7. The lower cover plate 1 and the upper cover plate 2 are made of stainless steel. The fixed plate 5 and the light shield 8 in the lower cover plate 1 and the upper cover plate 2 can be detachably replaced and installed with different types of fixed plate 5 and light shield 8.
[0033] When the lower cover plate 1 and the upper cover plate 2 are closed, the protrusions 6 are inserted into the recesses 7, thereby preventing the lower cover plate 1 and the upper cover plate 2 from being misaligned when they are closed. The detachable fixed plate 5 and the light shield 8 can realize a set of measuring jigs to measure more products.
[0034] The working principle of the utility model is as follows: corresponding fixed plate 5 and light shield 8 are selected, and the appropriate fixed plate 5 and light shield 8 are clamped on the upper and lower ends of the inner walls of the lower cover plate 1 and the upper cover plate 2 for fixation. Then, the product is fixed on the fixed column 10 at the upper end of the corresponding fixed plate 5, and the upper cover plate 2 and the lower cover plate 1 are closed to measure the product fixed inside. After the product is placed on the upper end of the fixed plate 5 on the inner wall of the lower cover and the upper cover is closed, air is delivered to the inside of the lower cover and the upper cover through the connecting pipe 3 by pressing the air bag 4. The air entering through extrusion has a certain thrust, thereby blowing the dust particles on the surface of the product to the left. The dust is blown out of the exhaust port 9 along with the gas, thereby cleaning the dust on the surface of the product.
[0035] Finally, it should be noted that: the above only for the preferred embodiments of the utility model, and not for limiting the utility model, although the utility model has been described in detail with reference to the foregoing embodiments, for the person skilled in the art, it still can modify the technical scheme recorded in the foregoing embodiments, or make equivalent replacement to part of the technical features, any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the utility model, should be included in the protection scope of the utility model.
Claims
1. A modular planar measuring jig, comprising an upper cover plate (2) and a lower cover plate (1); The upper end of the lower cover plate (1) is provided with an upper cover plate (2), and the inner walls of the upper and lower cover plates are provided with a fixing plate (5) for fixing products; The right side of the lower cover plate (1) is provided with an air bag (4); characterized in that The right end of the lower cover plate (1) is provided with two air inlet pipes (11), and the two air inlet pipes (11) are connected and fixed with the air bag (4) through a connecting pipe (3), and the left end of the lower cover plate (1) is provided with an air outlet (9), and the air bag (4) is pressed to generate air thrust to blow the dust on the surface of the product in the lower cover plate (1).
2. The modular planar measurement fixture of claim 1, wherein: The outer wall of the two air inlet pipes (11) is provided with a clamping groove (13), and the outer wall of the connecting pipe (3) is provided with a fixing ring (12) on the left side, and the connecting pipe (3) is inserted into the air inlet pipe (11) and fixed by the fixing ring (12) and the clamping groove (13).
3. The modular planar measurement fixture of claim 2, wherein: The left side of the air outlet (9) is smaller than the right side, which can better accumulate air and guide the flow direction of air flow, and the connecting pipe (3) is made of rubber material.
4. The modular planar measurement fixture of claim 1, wherein: The inner wall of the upper cover plate (2) is provided with a light shield plate (8) for reducing light interference, and the left upper side and the right lower side of the front end of the fixing plate (5) are provided with a fixing column (10), and the two fixing columns (10) are used for inserting into the hole of the product surface to fix the product.
5. The modular planar measurement fixture of claim 4, wherein: The upper end of the lower cover plate (1) is provided with a plurality of protrusions (6) on the left and right sides, and the lower end of the upper cover plate (2) is provided with a plurality of recesses (7) on the left and right sides, and the lower cover plate (1) and the upper cover plate (2) are closed and positioned by inserting the protrusions (6) into the recesses (7).
6. The modular planar measurement fixture of claim 5, wherein: The lower cover plate (1) and the upper cover plate (2) are made of stainless steel, and the fixing plate (5) and the light shield plate (8) in the lower cover plate (1) and the upper cover plate (2) can be disassembled, replaced and installed with different types of fixing plate (5) and light shield plate (8).