CN215491417U

CN215491417U - Calibration device for measuring involute external gear

Info

Publication number: CN215491417U
Application number: CN202121883391.8U
Authority: CN
Inventors: 杨其林; 储利华
Original assignee: Haiyan Kasi Machinery Manufacturing Co ltd
Current assignee: Haiyan Kasi Machinery Manufacturing Co ltd
Priority date: 2021-08-12
Filing date: 2021-08-12
Publication date: 2022-01-11
Anticipated expiration: 2031-08-12

Abstract

The utility model discloses a calibrating device for measuring an involute external gear, relates to the technical field of gear measurement, and aims to solve the problems that a micrometer is manually adopted to measure a gear, multiple in-and-out measurement is needed, errors are increased due to the measuring and calibrating mode, and subsequent use is affected. The device is characterized in that an object stage and a stand column are arranged above the base of the device, the stand column is connected with the base of the device through screws, expansion blocks are arranged above the object stage and are four in number, the expansion blocks are connected with the object stage in a sliding mode, a lifting groove is formed in the stand column, a lifting frame is arranged on one side of the stand column, an adjusting groove is formed in the lifting frame, a first moving block and a second moving block are arranged on one side of the lifting frame, a telescopic marker post is arranged on one side of the first moving block and one side of the second moving block, and the telescopic marker post is connected with the first moving block and the second moving block into a whole.

Description

Calibration device for measuring involute external gear

Technical Field

The utility model relates to the technical field of gear measurement, in particular to a calibration device for measuring an involute external gear.

Background

The involute is a track of any point on a moving straight line in the process of rolling along a fixed circle, and is called as an involute of a base circle, an involute external gear is a gear which rolls along a gear, and a tooth block is formed outside, and the precision requirement on gear parts is higher and higher along with the rapid development of the mechanical industry represented by cars and precision machinery. Therefore, the measurement and the test of the size of the gear product are a workpiece which is of great importance, and the simulation meshing test and the size detection are particularly important for involute gear products of gear transmission.

At present, when measuring and calibrating splines on an involute external gear, a micrometer is generally manually adopted to measure the gear, multiple in and out measurement is needed, the measurement and calibration mode increases errors, subsequent use is influenced, and the use requirement cannot be met. Therefore, a calibration device for measuring the involute external gear is urgently needed in the market to solve the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a calibrating device for measuring an involute external gear, which aims to solve the problems that in the background technology, a micrometer is manually adopted to measure the gear, multiple times of measurement needs to be carried out, and the measurement and calibration mode increases errors and influences subsequent use.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides an involute external gear is calibrating device for measurement, includes the device base, the top of device base is provided with objective table and stand, and stand and device base pass through the screw connection, the top of objective table is provided with the expansion piece, and the expansion piece is provided with four, and expansion piece and objective table sliding connection, be provided with the lift groove on the stand, one side of stand is provided with the crane, be provided with the adjustment tank on the crane, one side of crane is provided with first movable block and second movable block, one side of first movable block and second movable block all is provided with flexible sighting rod, and flexible sighting rod and first movable block and second movable block are connected as an organic whole structure.

Preferably, four be provided with the lifting disk between the expansion piece, be provided with the gangbar between lifting disk and the expansion piece, and the both ends of gangbar rotate with expansion piece and lifting disk respectively and be connected, be provided with electric telescopic handle between lifting disk and the objective table, and electric telescopic handle's both ends pass through bolted connection with objective table and lifting disk respectively.

Preferably, the lower part of objective table is provided with first motor, and first motor passes through the screw connection with the device base, the output of first motor is connected structure as an organic whole with the lower extreme of objective table, be provided with the ball between objective table and the device base, ball and objective table sliding connection.

Preferably, the below of stand is provided with the second motor, and the second motor passes through the screw connection with the device base, the inside in lift groove is provided with the threaded rod, and the threaded rod passes through the coupling joint with the output of second motor, threaded rod and crane threaded connection, and the threaded rod rotates with the stand to be connected.

Preferably, a first adjusting screw and a second adjusting screw are respectively arranged on two sides of the lifting frame and are rotatably connected with the lifting frame, the first adjusting screw and the second adjusting screw are respectively in threaded connection with the second moving block and the first moving block, and the first adjusting screw and the second adjusting screw are respectively rotatably connected with the first moving block and the second moving block.

Preferably, one side of the lifting frame is provided with a graduated scale, and the graduated scale is connected with the lifting frame through a screw.

Compared with the prior art, the utility model has the beneficial effects that:

1. the utility model discloses a device is through the setting of flexible sighting rod, adjusting screw and scale, rotates adjusting screw and can drive the movable block and slide in the adjustment tank, along with the interval between two flexible sighting rods of indirect regulation of removal of movable block to can measure the inside and outside footpath of spline, adjusting screw can stretch out and draw back, thereby can laminate the one end and the gear of sighting rod mutually, and the scale can be accurate record the distance between two flexible sighting rods. The problem that the inner diameter and the outer diameter of a spline on a gear cannot be measured simultaneously is solved.

2. The utility model discloses a device drives the threaded rod rotation under the effect of second motor through the setting of second motor and threaded rod, can drive the crane along the lift groove lifting slide along the rotation of threaded rod to adjust the height of flexible sighting rod, be convenient for measure not unidimensional gear. The problem of when not unidimensional gear is measured, have the difference in height between flexible sighting rod and the gear, measure inconvenient is solved.

3. The utility model discloses a device passes through the setting of electric telescopic handle and first motor, drives the lift dish under electric telescopic handle's effect and goes up and down, and along with the lift of lift dish drives the expansion piece with the help of the gangbar and slides to can fix the gear on the objective table, and first motor drives the objective table rotation, and along with the rotatory fixed gear revolve of drive of objective table, thereby can measure the spline in the gear outer fringe. The problem that the spline on the gear on one side of the marker post can only be measured is solved.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a view showing the connection of the stage of the present invention to the base and the expansion block of the apparatus;

FIG. 3 is a vertical cross-sectional view of the column of the present invention;

figure 4 is a cross-sectional view of the crane of the present invention.

In the figure: 1. a device base; 2. a supporting seat; 3. an object stage; 4. an expansion block; 5. a column; 6. a lifting frame; 7. a graduated scale; 8. a first moving block; 9. a second moving block; 10. a first adjusting screw; 11. a lifting groove; 12. an adjustment groove; 13. a chute; 14. a lifting plate; 15. a linkage rod; 16. a limiting groove; 17. a ball bearing; 18. a first motor; 19. an electric telescopic rod; 20. a threaded hole; 21. a threaded rod; 22. a second motor; 23. a second adjusting screw; 24. rotating the hole; 25. a telescopic mark post.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1-4, an embodiment of the present invention is shown: a calibration device for measuring an involute external gear comprises a device base 1, wherein a supporting seat 2 is arranged below the device base 1, the supporting seat 2 is connected with the device base 1 through screws, an object stage 3 and an upright post 5 are arranged above the device base 1, the upright post 5 is connected with the device base 1 through screws, a sliding groove 13 is arranged at the upper end of the object stage 3, four sliding grooves 13 are arranged, an expansion block 4 is arranged above the object stage 3, four expansion blocks 4 are arranged, one end of each expansion block 4 extends into the corresponding sliding groove 13, each expansion block 4 is in sliding connection with the corresponding object stage 3, the outer diameter of each expansion block 4 can be adjusted through sliding of each expansion block 4, a gear can be fixed on the object stage 3, a lifting groove 11 is arranged on the corresponding upright post 5, a lifting frame 6 is arranged on one side of the corresponding upright post 5, one end of each lifting frame 6 extends into the corresponding lifting groove 11, and each lifting frame 6 is in sliding connection with the corresponding upright post 5, be provided with adjustment tank 12 on the crane 6, one side of crane 6 is provided with first movable block 8 and second movable block 9, and the one end of first movable block 8 and second movable block 9 all extends to the inside of adjustment tank 12, first movable block 8 and second movable block 9 all with crane 6 sliding connection, one side of first movable block 8 and second movable block 9 all is provided with flexible sighting rod 25, and flexible sighting rod 25 is connected as an organic whole structure with first movable block 8 and second movable block 9, flexible sighting rod 25 can carry out length control, thereby ensure that the one end of flexible sighting rod 25 and gear on the spline laminate mutually, measuring accuracy has been improved, crane 6, all be provided with screw hole 20 on first movable block 8 and the second movable block 9, all be provided with rotation hole 24 on first movable block 8 and the second movable block 9.

Furthermore, a lifting disc 14 is arranged between the four expansion blocks 4, a linkage rod 15 is arranged between the lifting disc 14 and the expansion blocks 4, two ends of the linkage rod 15 are respectively rotatably connected with the expansion blocks 4 and the lifting disc 14, an electric telescopic rod 19 is arranged between the lifting disc 14 and the objective table 3, and two ends of the electric telescopic rod 19 are respectively connected with the objective table 3 and the lifting disc 14 through screws. The lifting disc 14 is driven to lift through the electric telescopic rod 19, the expansion block 4 is driven to slide by the linkage rod 15 along with the lifting of the lifting disc 14, so that the outer diameter of the expansion block 4 is adjusted, and the fixing effect is indirectly achieved.

Further, the below of objective table 3 is provided with first motor 18, and first motor 18 passes through screw connection with device base 1, and the output of first motor 18 is connected structure as an organic whole with the lower extreme of objective table 3, and the lower extreme of objective table 3 is provided with spacing groove 16, is provided with ball 17 between objective table 3 and the device base 1, and ball 17 and device base 1 roll connection, and the one end of ball 17 extends to the inside of spacing groove 16, and ball 17 and objective table 3 sliding connection. Drive objective table 3 through first motor 18 and rotate, drive the gear along with objective table 3's rotation and rotate to can measure the spline so on the gear, and corresponding roll when objective table 3 is rotatory can be at ball 17, thereby play the spacing effect of direction to the objective table 3 of pairing rotation.

Further, the below of stand 5 is provided with second motor 22, and second motor 22 passes through the screw connection with device base 1, and the inside of lift groove 11 is provided with threaded rod 21, and threaded rod 21 passes through the coupling joint with the output of second motor 22, threaded rod 21 and crane 6 threaded connection, and threaded rod 21 and stand 5 rotate to be connected. The second motor 22 drives the threaded rod 21 to rotate, and the lifting frame 6 is driven to lift and slide in the lifting groove 11 along with the rotation of the threaded rod 21, so that the height of the telescopic mark post 25 is adjusted.

Further, a first adjusting screw 10 and a second adjusting screw 23 are respectively arranged on two sides of the lifting frame 6, the first adjusting screw 10 and the second adjusting screw 23 are rotatably connected with the lifting frame 6, the first adjusting screw 10 and the second adjusting screw are respectively in threaded connection with the second moving block 9 and the first moving block 8, and the first adjusting screw 10 and the second adjusting screw are respectively rotatably connected with the first moving block 8 and the second moving block 9. The movable block can be driven to slide in the adjusting groove 12 through the adjusting screw rod, so that the distance between the telescopic mark poles 25 is adjusted, and the inner diameter and the outer diameter of the spline are measured.

Further, one side of the lifting frame 6 is provided with a graduated scale 7, and the graduated scale 7 is connected with the lifting frame 6 through a screw. The inner diameter and the outer diameter of the spline can be accurately measured through the graduated scale 7.

The working principle is as follows: when the gear fixing device is used, the mounting hole of the gear is sleeved outside the expansion block 4, the electric telescopic rod 19 is driven to drive the lifting disc 14 to lift, the expansion block 4 is driven to slide by the linkage rod 15 along with the lifting of the lifting disc 14, and the gear can be fixed on the objective table 3 by adjusting the outer diameter of the expansion block 4; the second motor 22 is driven to drive the threaded rod 21 to rotate, the lifting frame 6 is driven to lift and slide along the lifting groove 11 along with the rotation of the threaded rod 21, and the telescopic mark post 25 is adjusted to a position consistent with the height of the gear; rotating the first adjusting screw 10 and the second adjusting screw 23, moving the telescopic mark post 25 under the action of the first adjusting screw 10 and the second adjusting screw 23, and contacting one end of the telescopic mark post 25 with the inner and outer diameter edges of the spline as required, so that the size of the spline can be measured by means of the graduated scale 7; the first motor 18 is started, the objective table 3 is driven to rotate under the action of the first motor 18, and the gear is driven to rotate along with the rotation of the objective table 3, so that the spline on the gear can be comprehensively measured.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides an involute outer gear measures and uses calibrating device, includes device base (1), its characterized in that: an object stage (3) and an upright post (5) are arranged above the device base (1), the upright column (5) is connected with the device base (1) through screws, the upper part of the objective table (3) is provided with four expansion blocks (4), the expansion block (4) is connected with the objective table (3) in a sliding way, a lifting groove (11) is arranged on the upright post (5), one side of the upright post (5) is provided with a lifting frame (6), the lifting frame (6) is provided with an adjusting groove (12), a first moving block (8) and a second moving block (9) are arranged on one side of the lifting frame (6), one sides of the first moving block (8) and the second moving block (9) are both provided with a telescopic marker post (25), and the telescopic mark post (25) is connected with the first moving block (8) and the second moving block (9) into an integral structure.

2. The calibration apparatus for measuring an involute outer gear according to claim 1, wherein: four be provided with lifting disk (14) between expansion piece (4), be provided with gangbar (15) between lifting disk (14) and the expansion piece (4), and the both ends of gangbar (15) rotate with expansion piece (4) and lifting disk (14) respectively and be connected, be provided with electric telescopic handle (19) between lifting disk (14) and objective table (3), and the both ends of electric telescopic handle (19) pass through screw connection with objective table (3) and lifting disk (14) respectively.

3. The calibration apparatus for measuring an involute outer gear according to claim 1, wherein: the lower part of objective table (3) is provided with first motor (18), and first motor (18) pass through screw connection with device base (1), the output of first motor (18) is connected structure as an organic whole with the lower extreme of objective table (3), be provided with ball (17) between objective table (3) and device base (1), ball (17) and objective table (3) sliding connection.

4. The calibration apparatus for measuring an involute outer gear according to claim 1, wherein: the below of stand (5) is provided with second motor (22), and second motor (22) passes through screw connection with device base (1), the inside of lift groove (11) is provided with threaded rod (21), and threaded rod (21) passes through the coupling joint with the output of second motor (22), threaded rod (21) and crane (6) threaded connection, and threaded rod (21) rotate with stand (5) and be connected.

5. The calibration apparatus for measuring an involute outer gear according to claim 1, wherein: the lifting frame is characterized in that a first adjusting screw (10) and a second adjusting screw (23) are respectively arranged on two sides of the lifting frame (6), the first adjusting screw (10) and the second adjusting screw (23) are rotatably connected with the lifting frame (6), the first adjusting screw (10) and the second adjusting screw are respectively in threaded connection with a second moving block (9) and a first moving block (8), and the first adjusting screw (10) and the second adjusting screw are respectively in rotatable connection with the first moving block (8) and the second moving block (9).

6. The calibration apparatus for measuring an involute outer gear according to claim 1, wherein: one side of the lifting frame (6) is provided with a graduated scale (7), and the graduated scale (7) is connected with the lifting frame (6) through a screw.