External taper inspection tool

Abstract

The utility model relates to the technical field of taper gauges, specifically to an external taper gauge, comprising a base, wherein an inner wall of the base near the back is threadedly connected to an outer wall of a height support near the bottom, a top of the height support is movably abutted against a bottom of a measuring piece near the back, a top of the measuring piece is movably abutted against a bottom of a fastener near an edge, a sun gear shaft is placed on a positioning block, and the positioning block enables the sun gear shaft to be accurately positioned on the gauge, ensuring that its position is stable and not prone to displacement, an auxiliary taper gauge can fit closely to an external taper surface of the sun gear shaft, thereby achieving accurate measurement, and the gauge can directly detect the length from the cone circle to the end face of the sun gear shaft bearing, and can quickly judge in the production process without measuring the angle of the external taper, such as when the angle is abnormal or the size of the external taper is out of tolerance, it can be quickly identified, thereby improving process quality and efficiency, and bringing convenience to people's use.

Description

Technical Field

[0001] The utility model relates to the technical field of taper gauges, in particular to an external taper gauge. Background Art

[0002] The background technology of external taper gauge mainly involves the precise measurement of the taper ratio of parts. In practical applications, the manufacturing and processing quality of taper parts has a vital impact on the performance and service life of the product. Therefore, how to quickly and accurately detect the taper ratio of parts has become an important issue in the manufacturing industry.

[0003] Although most of the external taper detection equipment on the market can detect taper more accurately, these devices are usually inefficient and cannot make quick judgments during the production process, which reduces production efficiency and brings inconvenience to people's use. Utility Model Content

[0004] The purpose of the utility model is to provide an external taper gauge to solve the problem of the inability to make a quick judgment in the production process proposed in the above background technology. To achieve the above purpose, the utility model provides the following technical solutions: an external taper gauge, comprising a base, wherein the inner wall of the base near the back is threadedly connected to the outer wall of the height support near the bottom, the top of the height support is movably abutted against the bottom of the measuring piece near the back, and the top of the measuring piece is movably abutted against the bottom of the fastener near the edge.

[0005] The outer wall of the fastener near the bottom is threadedly connected to the inner wall of the top of the height support, the inner wall of the base is movably abutted against the outer wall of the positioning member near the bottom, and the outer wall of the positioning member is movably abutted against the inner wall of the test piece.

[0006] Preferably, the base is composed of supporting feet and a supporting panel, and the number of the supporting feet is four, the tops of the four supporting feet are fixedly connected to the bottom of the supporting panel, and the four supporting feet are distributed in a ring shape at equal distances at the bottom of the supporting panel.

[0007] Preferably, the height support includes a support block, a support column and a lap block, and the top of the support block is fixedly welded to the bottom end of the support column, the outer wall of the support column near the top is fixedly welded to the inner wall of the lap block, and the outer wall of the support block near the bottom is threadedly connected to the inner wall of the support panel near the back.

[0008] Preferably, the measuring member is composed of a movable support arm, a micrometer, a fixed plate and a first locking screw, and the number of the first locking screws is two, the inner wall of the movable support arm close to the front side is movably abutted against the outer wall on one side of the micrometer, and the outer wall on the other side of the micrometer is movably abutted against the inner wall of the fixed plate, the side of the fixed plate close to the micrometer is fixedly connected to the side of the movable support arm close to the micrometer through two first locking screws, and the two first locking screws are symmetrically arranged with the center line of the fixed plate as the axis, the inner wall of the movable support arm close to the back side is rotatably connected to the outer wall at the top end of the support column, and the bottom of the movable support arm close to the back side is movably abutted against the top of the overlap block.

[0009] Preferably, the fastener includes a fastening cover, a threaded rod and a fastening gasket, and the bottom of the fastening cover at the center is fixedly connected to the top of the threaded rod, the outer wall of the threaded rod near the top is threadedly connected to the inner wall of the fastening gasket, and the top of the fastening gasket is movably abutted against the bottom of the fastening cover away from the center, the bottom of the fastening gasket is movably abutted against the top of the support column, and the outer wall of the threaded rod near the bottom end is threadedly connected to the inner wall of the top of the support column, and the bottom of the fastening cover near the edge is movably abutted against the top of the movable support arm.

[0010] Preferably, the positioning member is composed of a support seat, a positioning block and a second locking screw, and the number of the second locking screws is four, the inner wall of the support seat near the bottom is threadedly connected to the outer wall of the positioning block near the bottom, and the bottom of the support seat is fixedly connected to the top of the support panel by four second locking screws, and the outer wall of the support seat near the bottom is movably abutted against the inner wall of the support panel.

[0011] Preferably, the part to be tested includes a sun gear shaft and an auxiliary taper gauge, and the outer wall of the sun gear shaft movably abuts against the inner wall of the auxiliary taper gauge, the auxiliary taper gauge is arranged below the micrometer, and the inner wall of the sun gear shaft movably abuts against the outer wall of the positioning block.

[0012] Compared with the prior art, the utility model has the following beneficial effects:

[0013] In the utility model, the sun gear shaft is placed on the positioning block, and the positioning block enables the sun gear shaft to be accurately positioned on the inspection fixture, ensuring that its position is stable and not prone to deviation, and the auxiliary taper gauge can fit closely to the outer conical surface of the sun gear shaft, thereby achieving accurate measurement, and the inspection fixture can directly detect the length from the cone circle to the end face of the sun gear shaft bearing, and does not need to measure the angle of the outer cone, so that a quick judgment can be made during the production process, such as in the case of abnormal angle or out-of-tolerance size of the outer cone, which can be quickly identified, thereby improving process quality and efficiency and bringing convenience to people's use.

[0014] In the utility model, the fixed plate locks the micrometer through the first locking screw and the movable support arm to prevent it from displacement or loosening. After the movable support arm is placed on the overlap block, the fastening gasket is placed on the support column, the upper cover is rotated and tightened, and the movable support arm is fixed on the support column. The support base can be installed on the support panel through the second locking screw, and the positioning block can be rotated to accurately adjust its position in the support base, thereby realizing precise positioning of the workpiece and ensuring the accuracy of measurement. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0016] Figure 2 It is a cross-sectional view of the utility model;

[0017] Figure 3 It is an exploded view of the utility model.

[0018] In the figure: 1. base; 101. supporting foot; 102. supporting panel; 2. height support; 201. supporting block; 202. supporting column; 203. overlapping block; 3. measuring piece; 301. movable support arm; 302. micrometer; 303. fixing plate; 304. first locking screw; 4. fastener; 401. fastening upper cover; 402. threaded rod; 403. fastening gasket; 5. positioning piece; 501. supporting seat; 502. positioning block; 503. second locking screw; 6. piece to be measured; 601. sun gear shaft; 602. auxiliary taper gauge. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technical personnel in this field without creative work are within the scope of protection of the utility model.

[0020] See also Figures 1 to 3 The utility model provides a technical solution: an external taper gauge, comprising a base 1, the inner wall of the base 1 near the back is threadedly connected to the outer wall of the height support 2 near the bottom, the top of the height support 2 is movably abutted against the bottom of a measuring piece 3 near the back, and the top of the measuring piece 3 is movably abutted against the bottom of a fastener 4 near the edge.

[0021] The outer wall of the fastener 4 near the bottom is threadedly connected to the inner wall of the top of the height support 2, the inner wall of the base 1 movably abuts against the outer wall of the positioning member 5 near the bottom, and the outer wall of the positioning member 5 movably abuts against the inner wall of the test piece 6.

[0022] In this embodiment, Figure 1 , Figure 2 and Figure 3 As shown, the base 1 is composed of supporting feet 101 and a supporting panel 102, and the number of supporting feet 101 is four, the tops of the four supporting feet 101 are fixedly connected to the bottom of the supporting panel 102, and the four supporting feet 101 are distributed in a ring at equal distances at the bottom of the supporting panel 102, and the supporting panel 102 is firmly seated on the supporting feet 101, thereby forming a stable working platform. The ring-shaped distribution of the four supporting feet 101 enables the supporting panel 102 to evenly disperse the pressure when bearing a load, thereby preventing deformation or damage caused by excessive local pressure.

[0023] In this embodiment, Figure 1 , Figure 2 and Figure 3 As shown, the height support 2 includes a support block 201, a support column 202 and a lap block 203, and the top of the support block 201 is fixedly welded to the bottom end of the support column 202, the outer wall of the support column 202 near the top is fixedly welded to the inner wall of the lap block 203, and the outer wall of the support block 201 near the bottom is threadedly connected to the inner wall of the support panel 102 near the back. By rotating the support block 201, the height can be easily adjusted to meet different work requirements.

[0024] In this embodiment, Figure 1 , Figure 2 and Figure 3 As shown, the measuring member 3 is composed of a movable arm 301, a dial gauge 302, a fixed plate 303 and a first locking screw 304, and the number of the first locking screws 304 is two. The inner wall of the movable arm 301 close to the front side is movably abutted against the outer wall of one side of the dial gauge 302, and the outer wall of the other side of the dial gauge 302 is movably abutted against the inner wall of the fixed plate 303. The side of the fixed plate 303 close to the dial gauge 302 is fixedly connected to the side of the movable arm 301 close to the dial gauge 302 through the two first locking screws 304. The movable arm 301 is connected to the workpiece 202 by the first locking screws 304 and the second locking screws 304 are symmetrically arranged with the center line of the fixed plate 303 as the axis. The inner wall of the movable arm 301 near the back is rotatably connected to the outer wall of the top of the support column 202, and the bottom of the movable arm 301 near the back is movably abutted against the top of the overlapping block 203. The movable arm 301 can be rotated to adjust its position to meet the measurement requirements of different workpieces. The fixed plate 303 locks the micrometer 302 through the first locking screw 304 and the movable arm 301 to prevent it from displacement or loosening.

[0025] In this embodiment, Figure 1 , Figure 2 and Figure 3As shown, the fastener 4 includes a fastening cover 401, a threaded rod 402 and a fastening gasket 403, and the bottom of the fastening cover 401 at the center is fixedly connected to the top of the threaded rod 402, the outer wall of the threaded rod 402 near the top is threadedly connected to the inner wall of the fastening gasket 403, and the top of the fastening gasket 403 is movably abutted against the bottom of the fastening cover 401 away from the center, the bottom of the fastening gasket 403 is movably abutted against the top of the support column 202, and the outer wall of the threaded rod 402 near the bottom is threadedly connected to the inner wall of the top of the support column 202, the bottom of the fastening cover 401 near the edge is movably abutted against the top of the movable support arm 301, after the movable support arm 301 is placed on the overlap block 203, the fastening gasket 403 is placed on the support column 202, the fastening cover 401 is rotated, and the movable support arm 301 is fixed on the support column 202, ensuring the stability and accuracy of the micrometer 302 during the measurement process.

[0026] In this embodiment, Figure 1 , Figure 2 and Figure 3 As shown, the positioning member 5 is composed of a support seat 501, a positioning block 502 and a second locking screw 503, and the number of the second locking screws 503 is four. The inner wall of the support seat 501 near the bottom is threadedly connected to the outer wall of the positioning block 502 near the bottom, and the bottom of the support seat 501 is fixedly connected to the top of the support panel 102 by four second locking screws 503. The outer wall of the support seat 501 near the bottom is movably abutted against the inner wall of the support panel 102. The support seat 501 can be installed on the support panel 102 by the second locking screw 503. The positioning block 502 can be rotated to accurately adjust its position in the support seat 501, thereby realizing precise positioning of the workpiece.

[0027] In this embodiment, Figure 1 , Figure 2 and Figure 3 As shown, the test piece 6 includes a sun gear shaft 601 and an auxiliary taper gauge 602, and the outer wall of the sun gear shaft 601 is movably abutted against the inner wall of the auxiliary taper gauge 602. The auxiliary taper gauge 602 is arranged below the micrometer 302, and the inner wall of the sun gear shaft 601 is movably abutted against the outer wall of the positioning block 502. The sun gear shaft 601 is placed on the positioning block 502, and the positioning block 502 enables the sun gear shaft 601 to be accurately positioned on the inspection fixture, ensuring that its position is stable and not prone to displacement. The auxiliary taper gauge 602 can fit tightly against the outer conical surface of the sun gear shaft 601, thereby achieving accurate measurement. The inspection fixture can directly detect the length from the cone circle to the bearing end face of the sun gear shaft 601, and does not need to measure the angle of the outer cone, so that a quick judgment can be made during the production process. For example, in the case of an abnormal angle or an out-of-tolerance size of the outer cone, it can be quickly identified, thereby improving the process quality and efficiency, and bringing convenience to people's use.

[0028] The use method and advantages of the utility model: When the external taper gauge is working, the working process is as follows:

[0029] like Figure 1 , Figure 2 and Figure 3 As shown, the sun gear shaft 601 is placed on the positioning block 502. The positioning block 502 enables the sun gear shaft 601 to be accurately positioned on the inspection fixture, ensuring that its position is stable and not prone to displacement. The auxiliary taper gauge 602 can fit tightly against the outer conical surface of the sun gear shaft 601, thereby achieving accurate measurement. The inspection fixture can directly detect the length from the cone circle to the bearing end face of the sun gear shaft 601, and there is no need to measure the angle of the outer cone. Quick judgment can be made during the production process. For example, in the case of abnormal angle or out-of-tolerance size of the outer cone, it can be quickly identified, thereby improving process quality and efficiency and bringing convenience to people's use. The fixed plate 303 locks the micrometer 302 with the movable arm 301 through the first locking screw 304 to prevent it from displacement or loosening. After the movable arm 301 is placed on the overlap block 203, the fastening gasket 403 is placed on the support column 202, and the upper cover 401 is rotated and tightened to fix the movable arm 301 on the support column 202. The support base 501 can be installed on the support panel 102 through the second locking screw 503. The positioning block 502 can be rotated to accurately adjust its position in the support base 501, thereby achieving precise positioning of the workpiece and ensuring the accuracy of the measurement.

[0030] The above shows and describes the basic principle, main features and advantages of the utility model. Technical staff in this industry should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only preferred examples of the utility model and are not used to limit the utility model. Without departing from the spirit and scope of the utility model, the utility model will have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.

Claims

1. An external taper gauge, comprising a base (1), characterized in that: The inner wall of the base (1) near the back is threadedly connected to the outer wall of the height support (2) near the bottom, the top of the height support (2) is movably abutted against the bottom of the measuring piece (3) near the back, and the top of the measuring piece (3) is movably abutted against the bottom of the fastener (4) near the edge; The outer wall of the fastener (4) near the bottom is threadedly connected to the inner wall of the top of the height support (2), the inner wall of the base (1) is movably abutted against the outer wall of the positioning member (5) near the bottom, and the outer wall of the positioning member (5) is movably abutted against the inner wall of the test piece (6).

2. The external taper gauge according to claim 1, characterized in that: The base (1) is composed of supporting feet (101) and a supporting panel (102), and the number of the supporting feet (101) is four, the tops of the four supporting feet (101) are fixedly connected to the bottom of the supporting panel (102), and the four supporting feet (101) are distributed in a ring shape at equal distances on the bottom of the supporting panel (102).

3. The external taper gauge according to claim 2, characterized in that: The height support (2) comprises a support block (201), a support column (202) and a lap block (203), wherein the top of the support block (201) is fixedly welded to the bottom of the support column (202), the outer wall of the support column (202) close to the top is fixedly welded to the inner wall of the lap block (203), and the outer wall of the support block (201) close to the bottom is threadedly connected to the inner wall of the support panel (102) close to the back.

4. The external taper gauge according to claim 3, characterized in that: The measuring member (3) is composed of a movable support arm (301), a dial gauge (302), a fixing plate (303) and a first locking screw (304), and the number of the first locking screws (304) is two. The inner wall of the movable support arm (301) close to the front side is movably abutted against the outer wall of one side of the dial gauge (302), and the outer wall of the other side of the dial gauge (302) is movably abutted against the inner wall of the fixing plate (303). The fixing plate (303) close to the dial gauge ( One side of the movable support arm (302) is fixedly connected to the side of the movable support arm (301) close to the micrometer (302) by two first locking screws (304), and the two first locking screws (304) are symmetrically arranged with the center line of the fixed plate (303) as the axis, the inner wall of the movable support arm (301) close to the back side is rotatably connected to the outer wall of the top end of the support column (202), and the bottom of the movable support arm (301) close to the back side is movably abutted against the top of the overlap block (203).

5. The external taper gauge according to claim 4, characterized in that: The fastener (4) comprises a fastening cover (401), a threaded rod (402) and a fastening gasket (403), and the bottom of the fastening cover (401) at the center is fixedly connected to the top of the threaded rod (402), the outer wall of the threaded rod (402) near the top is threadedly connected to the inner wall of the fastening gasket (403), and the top of the fastening gasket (403) is movably abutted against the bottom of the fastening cover (401) away from the center, the bottom of the fastening gasket (403) is movably abutted against the top of the support column (202), and the outer wall of the threaded rod (402) near the bottom is threadedly connected to the inner wall of the top of the support column (202), and the bottom of the fastening cover (401) near the edge is movably abutted against the top of the movable support arm (301).

6. The external taper gauge according to claim 2, characterized in that: The positioning member (5) is composed of a support seat (501), a positioning block (502) and a second locking screw (503), and the number of the second locking screws (503) is four. The inner wall of the support seat (501) close to the bottom is threadedly connected to the outer wall of the positioning block (502) close to the bottom, and the bottom of the support seat (501) is fixedly connected to the top of the support panel (102) by four second locking screws (503), and the outer wall of the support seat (501) close to the bottom is movably abutted against the inner wall of the support panel (102).

7. The external taper gauge according to claim 6, characterized in that: The test piece (6) comprises a sun gear shaft (601) and an auxiliary taper gauge (602), and the outer wall of the sun gear shaft (601) is movably abutted against the inner wall of the auxiliary taper gauge (602); the auxiliary taper gauge (602) is arranged below the micrometer (302), and the inner wall of the sun gear shaft (601) is movably abutted against the outer wall of the positioning block (502).

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