Internal tooth and fairway coaxiality testing fixture

Abstract

The utility model discloses an internal tooth and fairway coaxiality testing fixture, which comprises a roller guide rail, a dial indicator, a stop block, a fixed block, a fixed bottom plate, a sliding block, a gauge stand, a fixed sleeve, a positioning shaft, a fixed measuring seat and a spline core rod, and is characterized in that the fixed block and the gauge stand are arranged on the fixed bottom plate; the roller guide rail and the check block are both arranged on the fixed block, and one end of the check block limits the position of the roller guide rail; a fixing sleeve is arranged at the other end of the check block, a positioning through hole is formed in the fixing sleeve, one end of a positioning shaft is arranged in the positioning through hole and rotates relative to the fixing sleeve, and a spline core rod is arranged at the other end of the positioning shaft. And the steel ball corresponds to the spline core rod. According to the internal tooth and ball groove coaxiality testing fixture, measurement is carried out through the distance between rotation of the gear shaft and linear motion of the movable seat, the coaxiality of the ball grooves and the teeth is measured through zero returning of a single ball groove and range values of other ball grooves, and rapid online testing of the coaxiality of the internal tooth and the ball grooves can be conveniently achieved.

Description

Technical Field

[0001] The utility model belongs to the technical field of inspection and detection, and relates to a coaxiality inspection tool for internal teeth and a ball track. Background Art

[0002] In production practice, it is common to encounter all the coaxiality inspection tools of the internal teeth and the ballway. The inspectors cannot quickly check the size of the cross-ball distance online. Relying on three-coordinate inspection, they cannot track the changes in tool wear to set the tool life.

[0003] Therefore, a coaxiality inspection tool for internal teeth and ball track is needed to solve the above technical problems. Utility Model Content

[0004] The purpose of the utility model is to solve the shortcomings of the prior art and to propose a coaxiality inspection tool for internal teeth and ballways.

[0005] In order to achieve the above purpose, the present invention adopts the following technical solutions:

[0006] A coaxiality inspection tool for internal gears and ball tracks, comprising a roller guide rail, a micrometer, a stopper, a fixed block, a fixed base plate, a slide block, a gauge seat, a fixed sleeve, a positioning shaft, a fixed measuring seat and a spline core rod.

[0007] The fixing block and the dial base are both arranged on the fixing base plate, the dial base is arranged on one side of the fixing block, and the dial indicator is arranged on the dial base;

[0008] The roller guide rail and the stop block are both arranged on the fixed block, and one end of the stop block limits the position of the roller guide rail;

[0009] The slider is arranged on the roller guide rail and slides relative to the roller guide rail, the fixed measuring seat is arranged on the slider, and a protruding steel ball is provided on the fixed measuring seat;

[0010] The other end of the stopper is provided with the fixing sleeve, the fixing sleeve is provided with a positioning through hole, one end of the positioning shaft is provided in the positioning through hole and rotates relative to the fixing sleeve, and the other end of the positioning shaft is provided with the spline core rod;

[0011] The steel balls are arranged correspondingly to the spline core rods.

[0012] Furthermore, a steel ball fixing bracket is provided on the fixed measuring seat, one end of the steel ball fixing bracket is fixedly connected to the fixed measuring seat, and the other end of the steel ball fixing bracket is provided with the steel ball.

[0013] Furthermore, the steel ball is detachably connected to the fixed measuring base, making it convenient to replace the steel ball according to different ball lanes.

[0014] Furthermore, a protective protrusion is provided on one side of the dial base close to the fixed block, and the protective protrusion is used to protect the micrometer.

[0015] Furthermore, the protective protrusion is a bolt, and the bolt is threadedly connected to the watch base.

[0016] Furthermore, the positioning shaft is connected to the fixed sleeve via a ball guide bushing, so that the rotation of the positioning shaft can be easily realized by using the ball guide bushing.

[0017] Furthermore, the bottom of the fixed base plate is provided with anchor posts, which support the fixed base plate and facilitate operation.

[0018] Beneficial Effects: The internal gear and ballway coaxiality tester of this utility model has a simple structure and is easy to promote. It can be manufactured into a series of online testers. Using this internal gear and ballway coaxiality tester can effectively improve measurement speed and accuracy. It is suitable for rapid testing of all internal gear and ballway coaxiality, as well as internal bore and external ballway coaxiality. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the internal gear and ballway coaxiality inspection tool of the present invention. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0021] See also Figure 1 As shown, the internal gear and ballway coaxiality inspection tool of the present invention includes a roller guide 1, a micrometer 2, a stopper 3, a fixed block 4, a fixed base plate 5, a slider 6, a dial base 7, a fixed sleeve 9, a positioning shaft 10, a fixed measuring base 12 and a spline core rod 13, wherein the fixed block 4 and the dial base 7 are both arranged on the fixed base plate 5, the dial base 7 is arranged on one side of the fixed block 4, and the micrometer 2 is arranged on the dial base 7. A protective protrusion is provided on the side of the dial base 7 close to the fixed block 4. The protective protrusion is a bolt, and the bolt is threadedly connected to the dial base 7. The protective protrusion is used to protect the micrometer 2. When the slider 6 slides relative to the roller guide 1, the protective protrusion is used to protect the micrometer 2 to prevent it from being hit by the slider or accessories.

[0022] The roller guide rail 1 and the stopper 3 are both mounted on a fixed block 4, with one end of the stopper 3 limiting the position of the roller guide rail 1. A slider 6 is mounted on the roller guide rail 1 and slides relative to the roller guide rail 1. A fixed measuring base 12 is mounted on the slider 6, and a protruding steel ball 11 is provided on the fixed measuring base 12.

[0023] Specifically, the slider 6 is mounted on the fixed block 4 via the roller guide 1, with the left and right centers limited by the stopper 3. The fixed measuring base 12 is then fixed to the fixed block 4 with screws, and the steel ball 11 is fixed to the fixed measuring base 12. The roller guide 1 drives the fixed measuring base 12 to slide smoothly, and the spring is used to control the measuring force and direction.

[0024] Specifically, a steel ball holder is provided on the fixed measuring base 12. One end of the steel ball holder is fixedly connected to the fixed measuring base 12, and the other end of the steel ball holder is provided with a steel ball 11. The steel ball 11 is detachably connected to the fixed measuring base 12. Different steel balls 11 can be replaced according to different test channels.

[0025] The other end of the stopper 3 is provided with a fixed sleeve 9, which is provided with a positioning through-hole. One end of a positioning shaft 10 is disposed in the positioning through-hole and rotates relative to the fixed sleeve 9. The other end of the positioning shaft 10 is provided with a spline core rod 13. Specifically, the positioning shaft 10 is connected to the fixed sleeve 9 via a ball linear bushing. Steel balls 11 are provided corresponding to the spline core rod 13.

[0026] Specifically, secure the retaining sleeve 9 to the fixing block 4 and use the stopper 3 to limit the left and right center. The positioning shaft 10 is secured to the retaining sleeve 9 in conjunction with the linear ball bushing. The linear ball bushing allows for easy rotation of the positioning shaft 10. The splined mandrel 13 is then secured to the positioning shaft 10. Place the product onto the splined mandrel 13, rotate the positioning shaft 10, and allow the steel ball 11 to contact the product's ball path. Read the value for each ball path and subtract the minimum from the maximum value to determine the coaxiality.

[0027] Preferably, the bottom of the fixed base plate 5 is provided with a foundation column 8. The foundation column 8 is used to support the fixed base plate 5, increase its height, and facilitate operation.

[0028] The coaxiality inspection tool of the internal gear and ballway of the utility model measures the distance between the rotation of the gear shaft and the linear motion of the movable seat, uses a single ballway to reset to zero, and measures the coaxiality of the ballway and the gear by the extreme difference values of the remaining ballways, so as to facilitate the rapid online inspection of the coaxiality of the internal gear and the ballway.

[0029] This utility model is suitable for rapid testing of the coaxiality between internal teeth and ball tracks, as well as between inner holes and outer ball tracks. Its simple structure makes it easy to implement and can be manufactured into a series of online testing fixtures. Using this internal teeth and ball track coaxiality testing fixture can effectively improve measurement speed and accuracy.

Claims

1. A coaxiality inspection tool for internal teeth and ballways, characterized in that: It includes a roller guide rail (1), a micrometer (2), a stopper (3), a fixed block (4), a fixed base plate (5), a slide block (6), a gauge base (7), a fixed sleeve (9), a positioning shaft (10), a fixed measuring base (12) and a spline core rod (13). The fixed block (4) and the dial base (7) are both arranged on the fixed base plate (5), the dial base (7) is arranged on one side of the fixed block (4), and the micrometer (2) is arranged on the dial base (7); The roller guide rail (1) and the stop block (3) are both arranged on the fixed block (4), and one end of the stop block (3) limits the position of the roller guide rail (1); The slider (6) is arranged on the roller guide rail (1) and slides relative to the roller guide rail (1); the fixed measuring seat (12) is arranged on the slider (6); and a protruding steel ball (11) is provided on the fixed measuring seat (12); The other end of the stopper (3) is provided with the fixed sleeve (9), the fixed sleeve (9) is provided with a positioning through hole, one end of the positioning shaft (10) is provided in the positioning through hole and rotates relative to the fixed sleeve (9), and the other end of the positioning shaft (10) is provided with the spline core rod (13); The steel ball (11) and the spline core rod (13) are arranged correspondingly.

2. The internal gear and ballway coaxiality checking fixture according to claim 1, characterized in that: A steel ball fixing bracket is provided on the fixed measuring seat (12), one end of the steel ball fixing bracket is fixedly connected to the fixed measuring seat (12), and the other end of the steel ball fixing bracket is provided with the steel ball (11).

3. The internal gear and ballway coaxiality inspection tool according to claim 1, characterized in that: The steel ball (11) and the fixed measuring seat (12) are detachably connected.

4. The internal gear and ballway coaxiality checking tool according to claim 1, characterized in that: A protective protrusion is provided on one side of the table base (7) close to the fixing block (4).

5. The internal gear and ballway coaxiality checking tool according to claim 4, characterized in that: The protective protrusion is a bolt, and the bolt is threadedly connected to the table seat (7).

6. The internal gear and ballway coaxiality inspection tool according to claim 1, characterized in that: The positioning shaft (10) is connected to the fixing sleeve (9) via a ball guide sleeve.

7. The internal gear and ballway coaxiality inspection tool according to claim 1, characterized in that: A foundation column (8) is provided at the bottom of the fixed base plate (5).

Images