CN218120809U

CN218120809U - Inner hole jumping measuring device

Info

Publication number: CN218120809U
Application number: CN202222688374.XU
Authority: CN
Inventors: 杨日平; 朱自佳; 杨湘龙
Original assignee: Changsha Heijingang Industrial Co Ltd
Current assignee: Changsha Heijingang Industrial Co Ltd
Priority date: 2022-10-12
Filing date: 2022-10-12
Publication date: 2022-12-23
Anticipated expiration: 2032-10-12

Abstract

The application discloses an inner hole run-out measuring device which comprises a workbench, wherein a chuck, a support and a movable support are arranged on the workbench; the chuck is used for fixing the outer cylinder to be tested and can drive the outer cylinder to rotate; the bracket is used for supporting the outer cylinder, the bracket and the chuck enable the outer cylinder to be in a horizontal state, and the outer cylinder can rotate relative to the bracket; the movable support is used for fixing the telescopic rod, and a measuring meter is arranged at one end of the telescopic rod, which is far away from the movable support; the movable support is moved to enable the telescopic rod to move the measuring meter to the position to be detected of the inner hole of the outer cylinder. The device comprises a chuck, a support, a movable support, a measuring meter, a radial runout value and a radial runout value, wherein the chuck is used for fixing one end of an outer cylinder to be measured, the support is used for supporting the other end of the outer cylinder to enable the outer cylinder to be in a horizontal state, the movable support is moved to enable the measuring meter to extend into a position to be measured of an inner hole of the outer cylinder, the chuck is rotated to enable the outer cylinder to rotate for a circle, the measuring meter can measure the maximum reading and the minimum reading, and the difference value between the maximum reading and the minimum reading is calculated to be the radial runout value.

Description

Inner hole jumping measuring device

Technical Field

The application relates to a hole is beated and is measured technical field, especially relates to a hole measuring device that beats.

Background

In the production and processing process of the oil cylinder, in order to ensure the quality of processed products, the error of the production and processing of the products is controlled within a required range, and the produced products are often required to be detected. Because the inner hole of the outer cylinder of the hydraulic oil cylinder is deep, radial circular runout can occur in the inner hole of the outer cylinder, particularly in each step of the inner hole in the machining process, but the runout of the inner hole of the outer cylinder is ensured within a required range mainly by controlling the precision of a machine tool for machining the outer cylinder in the prior art, and a good method for measuring the runout error of the inner hole of an outer cylinder product is not provided.

Therefore, how to provide an inner bore run-out measuring device, which can measure the outer cylinder inner bore run-out error, is a technical problem to be solved urgently by the technical personnel in the field.

SUMMERY OF THE UTILITY MODEL

For solving above-mentioned technical problem, this application provides a hole measuring device that beats, but the measuring process is simple swift for the size of beating of outer jar hole.

The technical scheme provided by the application is as follows:

an inner hole run-out measuring device comprises a workbench, wherein a chuck, a bracket and a movable support are arranged on the workbench; the chuck is used for fixing the outer cylinder to be tested and can drive the outer cylinder to rotate; the bracket is used for supporting the outer cylinder, the bracket and the chuck enable the outer cylinder to be in a horizontal state, and the outer cylinder can rotate relative to the bracket; the movable support is used for fixing a telescopic rod, and a measuring meter is arranged at one end of the telescopic rod, which is far away from the movable support; and moving the movable support to enable the telescopic rod to move the measuring meter to the position to be detected of the inner hole of the outer cylinder.

Furthermore, a motor is connected to the chuck and electrically connected with a jog switch, the jog switch is used for jog control of starting and stopping of the motor, and the motor can drive the chuck to rotate.

Furthermore, a rotating shaft is arranged on the chuck, and a belt is sleeved on the motor output shaft and the rotating shaft.

Furthermore, the surface of the support, which is in contact with the outer cylinder, is an arc surface.

Furthermore, a guide groove is formed in the workbench, and the support is mounted on the guide groove and can move along the guide groove.

Further, the locking assembly is included and used for fixing the support on the guide groove.

Furthermore, the movable support comprises a base and a fixing frame fixed on the base, and the base is a magnetic fixing seat.

Further, the measuring meter is a dial indicator.

Further, the chuck comprises a clamping seat and a clamping jaw arranged on the clamping seat, the clamping seat is rotatable, and the clamping jaw is used for fixing the outer cylinder.

Further, the clamping jaw can be a three-jaw clamping jaw, a four-jaw clamping jaw or a clamping jaw with more than four jaws.

The utility model provides a hole measuring device that beats, comprises a workbench, be equipped with the chuck on the workstation, support and movable support, the chuck is used for the fixed one end of the outer jar that awaits measuring, the support is used for supporting the other end of outer jar, make the outer jar be in the horizontality, remove movable support and make the measuring gauge stretch into the outer jar hole wait to detect the position, it makes the outer jar rotate a week to rotate the chuck, the measuring gauge can measure maximum reading and minimum reading, and the difference of calculating maximum reading and minimum reading is runout promptly, adjust the position that the telescopic link stretched into the outer jar hole, the jumping of each step in the measurable quantity outer jar hole, the device simple structure, and convenient for operation is swift, can measure everywhere in the outer jar hole beat fast.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in the present application, and other drawings can be obtained by those skilled in the art without creative efforts.

Fig. 1 is a schematic structural diagram of an inner hole run-out measuring device in the embodiment of the present application.

Reference numerals: the device comprises a workbench 1, a chuck 2, a support 3, a movable support 4, an outer cylinder 5, a telescopic rod 6, a dial indicator 7, a motor 8, a inching switch 9, a belt 10 and a guide groove 11.

Detailed Description

In order to make those skilled in the art better understand the technical solutions in the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all embodiments. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments in the present application without making any creative effort belong to the protection scope of the present application.

It will be understood that when an element is referred to as being "fixed" or "disposed" to another element, it can be directly on the other element or be indirectly disposed on the other element; when an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like, as used herein, refer to an orientation or positional relationship indicated in the drawings that is solely for the purpose of facilitating the description and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be considered as limiting the present application.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "plurality" or "a plurality" means two or more unless specifically limited otherwise.

It should be understood that the structures, ratios, sizes, and the like shown in the drawings are only used for matching the disclosure of the specification, so as to be understood and read by those skilled in the art, and are not used to limit the practical limit conditions of the present application, so that the modifications of the structures, the changes of the ratio relationships, or the adjustment of the sizes, are not essential to the technology, and the modifications, the changes of the ratio relationships, or the adjustment of the sizes, are all within the scope of the technical contents disclosed in the present application without affecting the efficacy and the achievable purpose of the present application.

As shown in fig. 1, the embodiment of the present application provides an inner hole run-out measuring apparatus, which includes a workbench 1, wherein a chuck 2, a bracket 3 and a movable support 4 are arranged on the workbench 1; the chuck 2 is used for fixing an outer cylinder 5 to be tested, and the chuck 2 can drive the outer cylinder 5 to rotate; the bracket 3 is used for supporting the outer cylinder 5, the bracket 3 and the chuck 2 enable the outer cylinder 5 to be in a horizontal state, and the outer cylinder 5 can rotate relative to the bracket 3; the movable support 4 is used for fixing a telescopic rod 6, and a measuring meter is arranged at one end, far away from the movable support 4, of the telescopic rod 6; the movable support 4 is moved to enable the telescopic rod 6 to move the measuring instrument to a position to be detected of the inner hole of the outer cylinder 5.

The inner hole runout measuring device provided by the embodiment comprises a workbench 1, wherein a chuck 2, a support 3 and a movable support 4 are arranged on the workbench 1, the chuck 2 is used for fixing one end of an outer cylinder 5 to be measured, the support 3 is used for supporting the outer cylinder 5, the outer cylinder 5 is in a horizontal state, the movable support 4 is moved to enable a measuring meter to stretch into a position to be measured of an inner hole of the outer cylinder 5, the chuck 2 is rotated to enable the outer cylinder 5 to rotate for a circle, namely, the outer circle of the outer cylinder is taken as a rotation reference, the measuring meter can measure the maximum reading and the minimum reading, the difference value between the maximum reading and the minimum reading is calculated to be radial runout, the position of an inner hole of the outer cylinder 5, which is stretched into by an adjusting telescopic rod 6, can be measured, the runout of each step in the inner hole of the outer cylinder 5, the device is simple in structure, and convenient and rapid to operate, and the runout of each position in the inner hole of the outer cylinder 5 can be measured quickly.

The rotation of the chuck 2 can be directly rotated by hand, or the chuck 2 can be rotated by other methods. Preferably, the support 3 can be adjusted up and down, so that the support 3 can support the outer cylinders 5 with different specifications and can keep the outer cylinders 5 in a horizontal state. The meter can be any measuring element that can measure the radial run-out, and is preferably a dial indicator 7 in this embodiment. The measurement is accurate, the error is small, and the jump of the inner hole of the outer cylinder 5 can be directly read from the dial indicator 7.

In order to realize the automatic rotation of the chuck 2, the chuck 2 is connected with the motor 8, the motor 8 is electrically connected with the inching switch 9, the inching switch 9 is used for inching control the motor 8 starts and stops, and the motor 8 can drive the chuck 2 to rotate.

The measuring process of the inner hole jump of the outer cylinder 5 comprises the following steps: firstly, clamping one end of an outer cylinder 5 to be detected by a chuck 2, supporting the outer cylinder 5 by a support 3, enabling the outer cylinder 5 to be in a horizontal state, moving a movable support 4 to the chuck 2 to enable a dial indicator 7 to be placed radially, fixing the movable support 4 and the dial indicator 7, pressing a button of a jog switch 9 to start a motor 8, driving the chuck 2 to rotate by the motor 8, measuring the outer circle runout of the outer cylinder 5 at the end of the chuck 2 by the dial indicator 7, measuring the outer circle runout of the outer cylinder 5 at the end of the support 3 by the same method, ensuring that the outer circle runout of the outer cylinder 5 is within 0.01mm, then closing the motor 8, moving the movable support 4 to enable an expansion rod 6 and the dial indicator 7 to extend into an inner hole of the outer cylinder 5 to be detected, adjusting the expansion rod 6 to the step of the inner hole to be detected, starting the motor 8, driving the outer cylinder 5 to rotate by the chuck 2, reading out the data of the inner hole runout of the outer cylinder 5 from the dial indicator 7, and completing the detection of the outer cylinder 5. The jumping of steps at each position of the inner hole of the outer cylinder 5 can be tested by adjusting the depth of the telescopic rod 6 extending into the inner hole.

Specifically, the chuck 2 is provided with a rotating shaft, and the output shaft of the motor 8 is sleeved with a belt 10. The motor 8 drives the chuck 2 to rotate through a belt 10.

In this embodiment, preferably, a surface of the bracket 3 contacting the outer cylinder 5 is an arc surface. The contact surface of the bracket 3 and the outer cylinder 5 is an arc surface, which is convenient for supporting the outer cylinder 5 to keep the position of the outer cylinder 5 in the radial direction unchanged and is also convenient for the outer cylinder 5 to rotate relative to the bracket 3.

In order to adapt to the outer cylinders 5 with different specifications, the support 3 is adjusted to a proper position so as to better support the outer cylinders 5, a guide groove 11 is arranged on the workbench 1, and the support 3 is arranged on the guide groove 11 and can move along the guide groove 11. The lengths of the outer cylinders 5 with different specifications are different, and the bracket 3 can move along the guide groove 11 on the workbench 1, so that the bracket 3 is in a proper supporting position.

More preferably, it comprises a locking assembly for fixing the support 3 to the guide groove 11. The locking assembly may be provided on the bracket 3 or on the guide groove 11, and the locking assembly may be conventional. After the support position of the bracket 3 is adjusted, the locking assembly can fix the bracket 3 on the guide groove 11, in this embodiment, the locking assembly includes a locking screw, the bottom of the bracket 3 is provided with a screw hole, and the locking screw passes through the screw hole and is screwed to fix the bottom of the bracket 3 with the bottom of the chute, although the locking assembly may be other structures capable of being locked and fixed.

In order to move and fix the movable support 4, the movable support 4 comprises a base and a fixing frame fixed on the base, and the base is a magnetic fixing seat. The movable support 4 comprises a base and a fixing frame, the fixing frame is fixed on the base, the fixing frame is used for fixing the telescopic rod 6, the base is a magnetic suction fixing seat, the magnetic suction fixing seat can be the prior art, the position of the movable support 4 is convenient to move and adjust, and the movable support 4 is fixed on the workbench 1.

The embodiment further describes the structure of the chuck 2, wherein the chuck 2 includes a clamping seat and a clamping jaw arranged on the clamping seat, the clamping seat is rotatable, and the clamping jaw is used for fixing the outer cylinder 5. The clamping base is provided with a rotating shaft, the motor 8 drives the clamping base to rotate, the clamping jaw clamps and fixes the outer cylinder 5 to be tested, and the mounting and dismounting are convenient. The clamping jaw can be a three-jaw clamping jaw, a four-jaw clamping jaw or a clamping jaw with more than four jaws. In this embodiment, the four-jaw chuck 2 is preferably used, and the fixing effect on the outer cylinder 5 is better.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. The utility model provides an inner hole measuring device that beats which characterized in that: the device comprises a workbench, wherein a chuck, a bracket and a movable support are arranged on the workbench;

the chuck is used for fixing the outer cylinder to be tested and can drive the outer cylinder to rotate;

the bracket is used for supporting the outer cylinder, the bracket and the chuck enable the outer cylinder to be in a horizontal state, and the outer cylinder can rotate relative to the bracket;

the movable support is used for fixing a telescopic rod, and a measuring meter is arranged at one end of the telescopic rod, which is far away from the movable support;

and the movable support is moved to enable the telescopic rod to move the measuring meter to a position to be detected of the inner hole of the outer cylinder.

2. The inner hole run-out measuring device according to claim 1, wherein a motor is connected to the chuck, the motor is electrically connected to a jog switch, the jog switch is used for jog control of start and stop of the motor, and the motor can drive the chuck to rotate.

3. The inner hole run-out measuring device according to claim 2, wherein a rotating shaft is arranged on the chuck, and a belt is sleeved on the motor output shaft and the rotating shaft.

4. The bore runout measuring apparatus according to claim 1, wherein the face of the bracket contacting the outer cylinder is an arcuate face.

5. An inner bore runout measuring device according to any of claims 1 to 4, wherein the table is provided with a guide groove, and the support is mounted on the guide groove and is movable along the guide groove.

6. An internal bore runout measuring apparatus according to claim 5, including a locking assembly for securing the bracket to the guide slot.

7. The inner hole run-out measuring device according to claim 1, wherein the movable support comprises a base and a fixing frame fixed on the base, and the base is a magnetic fixing seat.

8. The bore runout measuring device of claim 1, wherein the measuring gauge is a dial gauge.

9. The inner bore run-out measuring device of claim 1, wherein the chuck comprises a clamping seat and a jaw arranged on the clamping seat, the clamping seat is rotatable, and the jaw is used for fixing the outer cylinder.

10. The bore runout measuring device of claim 9, wherein the jaws may be three-or four-or more-jaw jaws.