Special gauge for rapidly measuring profile tolerance
By designing a special inspection tool for quickly measuring the profile, the problem of long contour measurement time after processing of special-shaped parts is solved, fast and precise measurement and efficient inspection are achieved, cost is reduced, and it is suitable for real-time quality control of special-shaped parts.
Patent Information
- Application Number
- CN202422552713.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-22
- Publication Date
- 2025-08-19
- Estimated Expiration
- 2034-10-22
AI Technical Summary
In the prior art, the waiting time for the contour measurement results after processing of special-shaped parts is too long, instant measurement cannot be achieved, 100% detection cannot be achieved, and the three-coordinate measurement costs are high.
A special inspection tool for rapid measurement of profile is designed, including substrate, positioning block, rotating spring press pin, oblique positioning side slider and measuring dial. Through the cooperation of these components, rapid and precise measurement is achieved, suitable for product inspection of different specifications and sizes.
It realizes fast and accurate product profile detection, reduces measurement costs, improves detection efficiency, and can promptly detect product size problems and control batch quality risks.
Smart Images

Figure CN223243534U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of mechanical processing, in particular to a special inspection tool for quickly measuring contour, and in particular to a special inspection tool for quickly and accurately measuring the contour of a product. Background Art
[0002] Currently, in the market, special-shaped parts need to be measured during the measurement process after processing, and the method usually used is three-coordinate measurement. However, this measurement method will form the following disadvantages:
[0003] 1. The waiting time for measurement results is too long, affecting equipment output;
[0004] 2. It is impossible to achieve real-time measurement, and the quality of the products in process cannot be controlled during the measurement period;
[0005] 3. Unable to achieve large-scale, 100% testing;
[0006] 4. The cost of high-frequency three-coordinate measurement is too high.
[0007] Therefore, the market urgently needs a special inspection tool that can quickly and accurately measure the contour of products, which can effectively inspect the products in progress in real time. Summary of the Invention
[0008] The purpose of the utility model is to provide a special inspection tool for improving the rapid measurement of contour. Through the improvement of the structure, the contour of the product in process can be quickly inspected without damaging the product. At the same time, it is fast and efficient and can be used for batch inspection of products.
[0009] In order to achieve the above-mentioned purpose, the technical solution of the utility model is: a special inspection tool for quickly measuring contour, which is used for detecting product contour, and is characterized in that: the special inspection tool includes a base plate, a positioning block is provided on the base plate, a product positioning hole is provided on the positioning block, a rotating spring pressure pin and an oblique positioning side slider that cooperate with the positioning block are provided on the base plate, and a measuring micrometer that cooperates with the positioning block is also provided on the base plate; there are two rotating spring pressure pins, and the two rotating spring pressure pins are arranged on the base through a pressure pin support plate, one end of the rotating spring pressure pin is passed through the pressure pin support plate, and the other end is a telescopic structure.
[0010] Preferably, the oblique positioning side slider is connected to the base through an oblique slider slide. The position of the oblique slider slide corresponds to the positioning block. An angle of 30-60 degrees is formed between the oblique slider slide and the positioning block. A slider slot is provided on the oblique slider slide for setting the oblique positioning side slider.
[0011] Furthermore, the oblique positioning side slider includes a handle and a slider portion connected to the handle. One side of the slider portion is provided with a clip that cooperates with the slider slot, and the other side of the slider portion is provided with a product positioning surface for positioning the product. The product positioning surface is an inclined surface, and the angle between the inclined surface and the horizontal plane is 40-80 degrees.
[0012] Furthermore, a measuring dial indicator positioning bracket is provided on the base, and at least three evenly distributed measuring dial indicators are provided on the measuring dial indicator positioning bracket. A dial indicator contour probe is provided at the end of the measuring dial indicator to measure the contour surface of the product.
[0013] Furthermore, a boss is provided on the top of the positioning block, a product positioning hole is provided on the boss for placing the product, and a group of symmetrically arranged support seats are provided at the bottom of the positioning block. The positioning block is connected to the base plate through the support seats, and a fixing hole is provided on the support seats.
[0014] Furthermore, a pressing head is provided at one end of the rotary spring pressing pin, and the pressing head is connected to the rotary spring pressing pin column through a spring, and a product contact sleeve is provided at the other end of the rotary spring pressing pin.
[0015] Furthermore, the pressure pin support plate is provided with a positioning gasket that cooperates with the rotating spring pressure pin, and the positioning gasket is provided with three rotating spring pressure pin guide sleeves arranged in parallel.
[0016] Compared with the prior art, the technical solution of the present invention not only improves the overall technical solution, but also includes many improvements in details. Specifically, it has the following beneficial effects:
[0017] 1. The improved solution of the utility model comprises a special inspection tool comprising a base plate, a positioning block provided on the base plate, a product positioning hole provided on the positioning block, a rotating spring pressure pin and an oblique positioning side slider cooperating with the positioning block provided on the base plate, and a measuring dial indicator cooperating with the positioning block provided on the base plate. Through the cooperation of the above components, the outer contour of the product can be quickly and effectively inspected, and the inspection results are highly accurate;
[0018] 2. In the technical solution of the utility model, there are two rotating spring pressure pins, which are arranged on the base through a pressure pin support plate. One end of the rotating spring pressure pin is passed through the pressure pin support plate, and the other end is a telescopic structure. The rotating spring pressure pin can effectively position and lock the product, so that subsequent inspection work can be carried out smoothly, the inspection accuracy is improved, and the inspection efficiency is improved;
[0019] 3. In the structure of the utility model, a measuring dial indicator positioning bracket is provided on the base, and at least three evenly distributed measuring dial indicators are provided on the measuring dial indicator positioning bracket to measure the contour surface of the product. It can be applied to the inspection of products of different specifications and sizes, and has a wide range of applications;
[0020] 4. The utility model has a simple structure, reasonable layout, easy use, high detection accuracy, and is easy to promote and utilize. BRIEF DESCRIPTION OF THE DRAWINGS
[0021] Figure 1 This is a schematic structural diagram of the product to be tested in the present utility model.
[0022] Figure 2 This is a schematic diagram of the dispersed structure used in an embodiment of the present utility model.
[0023] Figure 3 This is another structural diagram of the utility model in use.
[0024] Reference numerals:
[0025] 1. Product, 2. Base plate, 3. Positioning block, 4. Rotating spring pressure pin, 5. Oblique positioning side slide, 6. Measuring dial indicator;
[0026] 31 product positioning hole, 32 support seat;
[0027] 41 press pin support plate, 42 press head, 43 press pin guide sleeve;
[0028] 51 oblique slider seat, 52 handle, 53 slider portion, 54 product positioning surface;
[0029] 511 slider slot;
[0030] 61 measuring micrometer positioning bracket, 62 micrometer profile probe. DETAILED DESCRIPTION
[0031] The following is a clear and complete description of the technical solution of the present invention in conjunction with the accompanying drawings. Obviously, the embodiments described are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making any creative efforts are within the scope of protection of the present invention.
[0032] This utility model provides a special inspection tool for quickly measuring the contour, which is used for the detection of product contour. Figure 1 The difference between it and the prior art is that: the special inspection fixture includes a base plate 2, a positioning block 3 is provided on the base plate, a product positioning hole is provided on the positioning block, a rotating spring pressure pin 4 and an oblique positioning side slider 5 are provided on the base plate to cooperate with the positioning block, and a measuring dial indicator 6 is also provided on the base plate to cooperate with the positioning block; there are two rotating spring pressure pins, and the two rotating spring pressure pins are arranged on the base through a pressure pin support plate 41. One end of the rotating spring pressure pin 4 is passed through the pressure pin support plate 41 to play a fixing and supporting role, and the other end is a telescopic structure.
[0033] During implementation, the utility model can realize fast and precise measurement of the contour of special-shaped parts, effectively improving the problem of long waiting time for measurement results. This fast and precise contour measurement instrument is low-cost and highly efficient, and can achieve the effect of immediate measurement after processing is completed. It can quickly and timely discover product dimensional problems and effectively control the batch quality risks that may arise from the product.
[0034] Example 1
[0035] The special inspection tool for quickly measuring contour described in this embodiment, specifically, includes a base plate 2, a positioning block 3 is provided on the base plate 2, a product positioning hole 31 is provided on the positioning block, a rotating spring pressure pin 4 and an oblique positioning side slider 5 that cooperate with the positioning block are provided on the base plate 2, and a measuring micrometer 6 that cooperates with the positioning block 3 is also provided on the base plate 2; there are two rotating spring pressure pins, and the two rotating spring pressure pins are arranged on the base through a pressure pin support plate 41, one end of the rotating spring pressure pin is passed through the pressure pin support plate for support and limiting, and the other end is a telescopic structure, which can press and position the product being inspected.
[0036] Furthermore, the oblique positioning side slider 5 is connected to the base through the oblique slider slide 51. The position of the oblique slider slide 51 corresponds to the positioning block 3. An angle of 30-60 degrees is formed between the oblique slider slide and the positioning block. A slider slot 511 is provided on the oblique slider slide for setting the oblique positioning side slider and for the oblique positioning side slider to slide along the slider slot so as to effectively position the product to be inspected.
[0037] The oblique positioning side slider includes a handle 52 and a slider portion 53 connected to the handle. The slider portion is triangular in shape, with one end larger than the other. A card strip that cooperates with the slider slot is provided on one side of the slider portion, and a product positioning surface 54 is provided on the other side of the slider portion for positioning the product. The product positioning surface is an inclined surface, and the angle between the inclined surface and the horizontal plane is 40-80 degrees, which can fully match the outer surface of the product being tested for better positioning without damaging the product surface.
[0038] A micrometer gauge positioning bracket 61 is mounted on the base, and at least three evenly spaced micrometer gauges 6 are mounted on the bracket. Each end of each gauge has a contour gauge probe 62 for measuring the product's contour surface. One micrometer gauge inspects the product's outer contour from above, while the other two inspect it from below. The angle between the three micrometer gauges is 120 degrees.
[0039] The top of the positioning block features a boss with a through-hole 31 for product positioning. A through-hole slot mates with the product positioning hole on one side of the positioning block, facilitating the placement of a product at one end. A symmetrically arranged set of support bodies 32 connect the positioning block to the baseplate via these bodies. These support bodies have fixing holes, which secure the positioning block to the baseplate using positioning pins located within these holes.
[0040] One end of the rotating spring pressure pin is equipped with a pressing head 42, which is connected to the rotating spring pressure pin cylinder via a spring. The other end of the rotating spring pressure pin is equipped with a product contact sleeve. The pressure pin support plate is equipped with a pressure pin guide sleeve 43 that mates with the rotating spring pressure pin. The guide sleeve is equipped with two juxtaposed rotating spring pressure pins. This allows the selection of different positions of the rotating spring pressure pins to meet the needs of different product inspections, suitable for testing products of different specifications. The pressure pin support plate is equipped with a positioning washer that mates with the rotating spring pressure pin. The positioning washer is equipped with three juxtaposed rotating spring pressure pin guide sleeves.
[0041] Example 2
[0042] The special inspection tool for rapid contour measurement described in this embodiment is used for detecting the contour of product 1. Figure 1 , including a substrate 2. Specifically, a substrate structure of 300mm long, 200mm wide and 20mm thick is adopted, and the bottom of the substrate is supported by four 30mm*30mm cylindrical support blocks.
[0043] A positioning block 3 is provided on the base plate 2, and a product positioning hole is provided on the positioning block 3. A rotating spring pressure pin 4 and an oblique positioning side slider 5 that cooperate with the positioning block are provided on the base plate. A measuring micrometer 6 that cooperates with the positioning block is also provided on the base plate. There are two rotating spring pressure pins in total, and the two rotating spring pressure pins are arranged on the base through a pressure pin support plate. One end of the rotating spring pressure pin is passed through the pressure pin support plate 41, and the other end is a telescopic structure.
[0044] Furthermore, the oblique positioning side slider 5 is connected to the base via a sliding handle. When pushed by the sliding handle, the oblique positioning side slider will closely contact the product positioning surface, achieving product positioning. The base is equipped with a measuring dial indicator positioning bracket, which is equipped with at least three evenly distributed measuring dial indicators for measuring the contour surface of the product.
[0045] The bottom of the positioning block 3 is connected to the base plate via a support base. The 74mm-high positioning block is connected to the base plate to achieve product reference surface positioning. A pressing head 42 is provided at one end of the rotating spring pressure pin 4, which is connected to the rotating spring pressure pin cylinder via a spring. A product contact sleeve is provided at the other end of the rotating spring pressure pin.
[0046] During specific implementation, open the spring rotary pressure pin 4, position the product in the positioning block hole, and at the same time slide the oblique positioning slider 5 to the product positioning surface to achieve rotational positioning, then close the spring rotary pressure pin 4 to press the product, and then read the contour data on the three micrometers respectively, and record them in the inspection record to determine whether the contour of this product meets the contour requirements. After the measurement is completed, pull out the oblique positioning slider, open the spring rotary pressure pin, take out the measured part to complete the inspection.
[0047] The above content is a further detailed description of the present invention in conjunction with specific preferred embodiments, and the specific implementation of the present invention cannot be considered to be limited to the above description. For those skilled in the art of the present invention, without departing from the concept of the present invention, they can make several simple deductions or substitutions, which should be considered to fall within the scope of protection of the present invention.
Claims
1. A special inspection tool for rapid contour measurement, used for detecting product contour, characterized by: The special inspection fixture includes a base plate, a positioning block is provided on the base plate, a product positioning hole is provided on the positioning block, a rotating spring pressure pin and an oblique positioning side slider are provided on the base plate for cooperating with the positioning block, and a measuring micrometer is also provided on the base plate for cooperating with the positioning block; there are two rotating spring pressure pins, and the two rotating spring pressure pins are arranged on the base through a pressure pin support plate, one end of the rotating spring pressure pin is passed through the pressure pin support plate, and the other end is a telescopic structure.
2. A special gauge for rapid contour measurement according to claim 1, characterized in that: The oblique positioning side slider is connected to the base through the oblique slider slide. The position of the oblique slider slide corresponds to the positioning block. An angle of 30-60 degrees is formed between the oblique slider slide and the positioning block. A slider slot is provided on the oblique slider slide for setting the oblique positioning side slider.
3. A special gauge for rapid contour measurement according to claim 2, characterized in that: The oblique positioning side slider includes a handle and a slider portion connected to the handle. One side of the slider portion is provided with a clip that cooperates with the slider slot, and the other side of the slider portion is provided with a product positioning surface for positioning the product. The product positioning surface is an inclined surface, and the angle between the inclined surface and the horizontal plane is 40-80 degrees.
4. A special gauge for rapid contour measurement according to claim 1, characterized in that: A measuring dial indicator positioning bracket is provided on the base, and at least three evenly distributed measuring dial indicators are provided on the measuring dial indicator positioning bracket. A dial indicator contour probe is provided at the end of the measuring dial indicator to measure the contour surface of the product.
5. The special gauge for rapid contour measurement according to claim 1, characterized in that: A boss is provided on the top of the positioning block, and a product positioning hole is provided on the boss for placing the product. A group of symmetrically arranged support seats are provided at the bottom of the positioning block. The positioning block is connected to the base plate through the support seats, and a fixing hole is provided on the support seats.
6. A special gauge for rapid contour measurement according to claim 1, characterized in that: One end of the rotary spring pressing pin is provided with a pressing head, which is connected to the rotary spring pressing pin column through a spring, and the other end of the rotary spring pressing pin is provided with a product contact sleeve pad.
7. The special gauge for rapid contour measurement according to claim 1, characterized in that: The pressing pin supporting plate is provided with a positioning gasket matched with the rotating spring pressing pin, and the positioning gasket is provided with three rotating spring pressing pin guide sleeves arranged in parallel.