Flatness detector

Abstract

The utility model relates to a flatness detector, the detector comprises a frame, a detection bedplate, a positioning mechanism and a flatness detection device, the detection bedplate is installed on the frame, and the positioning mechanism is installed on the detection bedplate; a product is arranged on the detection bedplate and is positioned by the positioning mechanism; the flatness detection device comprises a plurality of depth dial indicators, each depth dial indicator is installed in the rack and located below the detection bedplate, each depth dial indicator is inverted, and measuring rods of the depth dial indicators are perpendicular to the detection bedplate and penetrate through a plurality of holes formed in the detection bedplate in a one-to-one correspondence mode to extend out; with the detection platen as a reference, the depth dial gauges extend out for equal distances; and each point of a to-be-detected end of the product is supported on a measuring rod of each depth micrometer.

Description

Technical Field

[0001] The utility model relates to flatness detection, in particular to a flatness detector. Background Art

[0002] Traditional flatness detection devices based on depth micrometer designs all perform flatness detection by moving the product or the depth micrometer and observing the changes in the depth micrometer's value. This makes it difficult to use for flatness detection of special products (where there are grooves on the end to be detected). Utility Model Content

[0003] The utility model provides a flatness detection instrument, aiming to solve the above problems.

[0004] The technical solution of this utility model:

[0005] A flatness detector comprises a frame, a detection table, a positioning mechanism, and a flatness detection device, wherein the detection table is mounted on the frame, and the positioning mechanism is mounted on the detection table; a product is placed on the detection table and positioned by the positioning mechanism; the flatness detection device comprises a plurality of depth micrometers, each of which is mounted in the frame and located below the detection table, each depth micrometer being inverted, with its measuring rod perpendicular to the detection table and extending one by one through a plurality of holes provided on the detection table; with the detection table as a reference, each depth micrometer extends an equal distance; each point of the end to be detected of the product is supported on the measuring rod of each depth micrometer.

[0006] The above technical solution is further refined. The positioning mechanism is composed of a number of positioning blocks and / or positioning columns, each of which is fixed on the detection table; when positioning the product, each positioning block and / or positioning column rests against the side of the product.

[0007] The above technical solution is further refined, the depth micrometer is fixed on the table frame; a fine-tuning mechanism includes a slider, the slider is installed on the frame, an adjusting bolt is installed on it, the slider is driven up and down by the adjusting bolt, and the table frame is fixed on the slider and moves up and down with the slider.

[0008] The above technical solution is further refined. A locking block is provided on the side of the slider. A vertical hole is provided on the locking block. A fixing bolt passes through the vertical hole and is connected to the slider. The slider is locked by the fixing bolt.

[0009] The above technical solution is further refined. Two tooth pins are installed side by side on the frame. The slider is sleeved on the two tooth pins and is connected with the two tooth pins in a sliding manner.

[0010] Further to the above technical solution, the table frame and the sliding block are fixed by bolts, the adjusting bolt is staggered with the bolt for fixing the table frame and the sliding block, and the end of the adjusting bolt extends into the fixing hole arranged on the sliding block; the adjusting of the adjusting bolt can be observed through the fixing hole on the sliding block.

[0011] Further to the above technical solution, the adjusting bolt is inverted and located below the sliding block and is clamped by a clamping spring; the clamping spring is embedded in a ring groove arranged on the outer periphery of the adjusting bolt and supported on the rack.

[0012] The plane detector has the advantages of reasonable design, simple structure, setting of a reference surface, adoption of multiple micrometers for plane flatness, and meeting the requirement of product plane flatness detection. BRIEF DESCRIPTION OF DRAWINGS

[0013] Fig. 1 is a plane flatness detector structure schematic diagram.

[0014] Fig. 2 is a plane flatness detector local structure schematic diagram.

[0015] In the figure, the rack 1, the detection table plate 2, the positioning mechanism 3, the positioning block 3-1, the positioning column 3-2, the plane flatness detection device 4, the depth micrometer 4-1, the table frame 5, the fine adjustment mechanism 6, the sliding block 6-1, the adjusting bolt 6-2, the locking block 6-3, the fixing bolt 6-4, the tooth pin 6-5, the clamping spring 6-6, and the product 7. DETAILED DESCRIPTION

[0016] As shown in Figs. 1-2 A plane flatness detector, the detector includes a rack 1, a detection table plate 2, a positioning mechanism 3, and a plane flatness detection device 4. The detection table plate 2 is installed on the rack 1, and the positioning mechanism 3 is installed on the detection table plate 2. The plane flatness detection device 4 includes a plurality of depth micrometers 4-1. Each depth micrometer 4-1 is installed in the rack 1 and located below the detection table plate 2. Each depth micrometer 4-1 is inverted, and its measuring rod is perpendicular to the detection table plate 2 and corresponds to and extends out of the plurality of holes arranged on the detection table plate 2. The detection table plate 2 is used as a reference, and each depth micrometer 4-1 extends by an equal length.

[0017] The positioning mechanism 3 is composed of a plurality of positioning blocks 3-1 and positioning columns 3-2. Each positioning block 3-2 and positioning column 3-2 is fixed on the detection table plate 2.

[0018] The depth micrometer 4-1 is fixed on the table frame 5; the fine adjustment mechanism 6 comprises a sliding block 6-1 which is installed on the frame 1, an adjusting screw 6-2 is installed on the sliding block 6-1, the sliding block 6-1 is driven to move up and down by the adjusting screw 6-2, the table frame 5 is fixed on the sliding block 6-1 and moves up and down with the sliding block 6-1; a locking block 6-3 is arranged on the side of the sliding block 6-1, a vertical hole is arranged on the locking block 6-3, a fixing screw 6-4 is connected with the sliding block 6-1 through the vertical hole, and the sliding block 6-1 is locked by the fixing screw 6-4; two tooth pins 6-5 are installed side by side on the frame 1, the sliding block 6-1 is sleeved on the two tooth pins 6-5 and is connected with the two tooth pins 6-5 in sliding fit; the table frame 5 is fixed with the sliding block 6-1 through screws, the adjusting screw 6-2 is staggered with the screws for fixing the table frame 5 and the sliding block 6-1, and the end of the adjusting screw 6-2 extends into a fixing hole arranged on the sliding block 6-1; the adjusting screw 6-2 is inverted and located below the sliding block 6-1 and is clamped by a snap spring 6-6; the snap spring 6-6 is embedded in a ring groove arranged on the outer periphery of the adjusting screw 6-2 and is supported on the frame 1.

[0019] When the balance degree detector is used, the product 7 is positioned on the detection table plate 2 by the positioning mechanism 3, and each point of the end to be detected of the product 7 is supported on the measuring rod of each depth micrometer 4-1.

[0020] The above is only the preferred specific implementation manner of the present application, but the protection scope of the present application is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A flatness detector, comprising a frame, a detection table, a positioning mechanism, and a flatness detection device, wherein the detection table is mounted on the frame, and the positioning mechanism is mounted on the detection table; a product is placed on the detection table and positioned by the positioning mechanism; characterized in that: The flatness detection device includes several depth micrometers, each of which is installed in the frame and located below the detection table. Each depth micrometer is inverted, and its measuring rod is perpendicular to the detection table and extends out one by one through several holes set on the detection table; with the detection table as a reference, each depth micrometer extends out by an equal distance; each point of the end to be detected of the product is supported on the measuring rod of each depth micrometer.

2. A flatness detector according to claim 1, characterized in that: The positioning mechanism is composed of a plurality of positioning blocks and / or positioning columns, each of which is fixed on the detection table; when positioning the product, each of the positioning blocks and / or positioning columns rests against the peripheral side of the product.

3. A flatness detector according to claim 1, characterized in that: The depth micrometer is fixed on the meter stand; A fine-tuning mechanism includes a slider, which is mounted on a frame and has an adjusting bolt mounted thereon. The slider is driven to move up and down by the adjusting bolt. The meter frame is fixed on the slider and moves up and down with the slider.

4. A flatness detector according to claim 3, characterized in that: A locking block is provided on one side of the slider. A vertical hole is provided on the locking block. A fixing bolt passes through the vertical hole and is connected to the slider. The slider is locked by the fixing bolt.

5. The flatness detector according to claim 3, characterized in that: Two tooth pins are installed side by side on the frame, and the sliding block is sleeved on the two tooth pins and is connected with the two tooth pins in a sliding fit.

6. The flatness detector according to claim 3, characterized in that: The meter frame and the slider are fixed by bolts. The adjusting bolts are staggered with the bolts for fixing the meter frame and the slider, and the ends of the adjusting bolts extend into the fixing holes arranged on the slider.

7. The flatness detector according to claim 3, characterized in that: The adjusting bolt is inverted and located below the slider, and is clamped by a retaining ring; the retaining ring is embedded in a ring groove arranged on the outer periphery of the adjusting bolt and supported on the frame.

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