CN217654402U - Vertical measuring tool for cylindrical runout - Google Patents

Abstract

The utility model discloses a vertical excircle measuring tool that beats, through setting up demountable installation's lower setting element on the bottom plate, to the work piece of not unidimensional or specification, removable different lower setting element is in order to adapt to fixed demand, and can follow the slide rail adjustment respectively at vertical position to last setting element and percentage table, further adapt to not unidimensional work piece, can measure the axiality of the different vertical position of work piece, and the high position of percentage table and last setting element is respectively through the first locking mechanical system that corresponds, second locking mechanical system locks, the restriction removes, the stability of structure and measuring accuracy have been guaranteed.

Description

A vertical outer circle runout measuring tool

technical field

The utility model relates to the technical field of measuring tools. More specifically, the utility model relates to a vertical outer circle runout measuring tool.

Background technique

In machining, shaft parts occupy a considerable proportion in production, and the outer circle runout of shaft parts is an important indicator for inspecting the quality of shaft parts, such as three-pin shaft forks. At present, the measuring tools for such inspections cannot be flexibly adapted to different structures. It has a narrow application range, low utilization rate and low adjustment accuracy, and when the positioning piece or dial indicator is moved to a specific position before and after the measurement to adapt to the size of the workpiece, the fixation is unstable, which will affect the measurement accuracy. .

Utility model content

The purpose of the present utility model is to provide a vertical external circular runout measuring tool to solve the technical problem that the external circular runout measuring tool in the prior art is inconvenient to adjust and position workpieces of different specifications.

In order to achieve these objects and other advantages according to the present utility model, a vertical external circular runout measuring tool is provided, including:

The support base includes a bottom plate and a vertical plate, the vertical plate is fixed on the bottom plate, the vertical plate is provided with a sliding rail vertically, and the bottom plate is detachably and fixedly installed on one side of the vertical plate for limiting and fixing the lower end of the workpiece to be measured. the lower positioning part;

The upper positioning piece is used to limit and fix the upper end of the workpiece to be measured. A positioning mechanism is installed on the upper end of the vertical plate. The upper positioning piece is fixed on the positioning mechanism. The upper positioning piece and the lower positioning piece are opposite and coaxially arranged. The positioning mechanism is used to drive the upper positioning member to move up and down along the sliding rail, and the positioning mechanism is also provided with a first locking mechanism for clamping and fixing the upper positioning member on the sliding rail;

The dial indicator is connected to the vertical plate through the watch bracket and is located between the upper positioning and the lower positioning member, the watch bracket is slidably connected with the sliding rail, and the watch bracket is also provided with a device for clamping and fixing the watch bracket on the sliding rail. The second locking mechanism.

Preferably, the positioning mechanism includes:

an upper bearing seat, which is fixed on the upper end of the vertical plate and is axially arranged vertically, and an upper bearing is arranged in the upper bearing seat;

The base is arranged below the upper bearing seat, the base is fixed with a screw nut, the screw nut is coaxially arranged with the upper bearing, one end of the base is slidably connected with the slide rail, and the other end is connected with the upper positioning member , the first locking mechanism is used to clamp and fix the base on the slide rail;

The adjusting screw rod is vertically inserted into and connected to the inner side of the upper bearing and the screw nut, and the upper end of the adjusting screw rod is connected with a turntable.

Preferably, the upper positioning member includes:

A guide sleeve, which is a vertical cylindrical structure and is fixed at one end of the base. A plug, a spring, and a front tip are arranged on the inner side of the guide sleeve in order along the vertical direction. The plug and the inner side of the guide sleeve The wall is fixedly connected, one end of the spring is connected with the bottom of the plug, and the other end is connected with the top of the front top. It protrudes down beyond the bottom of the guide sleeve and is set to limit the tip of the workpiece to be measured. A limit channel is vertically opened on the side wall of the guide sleeve, and the limit channel is connected to the inside of the guide sleeve. set up;

A rocker arm assembly, which includes a rocker arm seat, a card seat, a rocker lever, and a connecting rod, the rocker arm seat is fixed on the side of the base close to the limit channel, the middle part of the card seat is hinged with the rocker arm seat, and the card seat One end of the connecting rod is set close to the limit channel and a through limit hole is opened along the radial direction of the guide sleeve. The diameter of the connecting rod is smaller than the diameter of the limit hole and the diameter of the end cover is larger than the diameter of the limit hole, and the other end of the clamp is connected to the rocker.

Preferably, one end of the watch support close to the vertical plate is slidably connected to the slide rail, an adjusting nut is fixed on the watch support, the axial direction of the adjusting nut is vertical, and the vertical plate is also fixedly connected with an adjusting nut. A lower bearing seat, the lower bearing seat is located below the table support, a lower bearing is installed in the lower bearing seat, and an adjustment screw is penetrated and connected together in the lower bearing and the adjusting nut.

Preferably, a plurality of supporting feet are symmetrically arranged at the bottom of the bottom plate, and a support block is connected between the side of the vertical plate facing away from the lower positioning member and the bottom plate.

Preferably, the first locking mechanism and the second locking mechanism are respectively disposed on different sides of the upper positioning member.

The utility model at least includes the following beneficial effects: the vertical external circular runout measuring tool of the present utility model is provided with a detachable lower positioning piece on the bottom plate, and for workpieces of different sizes or specifications, different lower positioning pieces can be replaced to adapt to the fixed position. requirements, and can adjust the vertical position of the upper positioning piece and the dial indicator along the slide rail respectively, further adapting to different sizes of workpieces, and can measure the coaxiality of different vertical positions of the workpiece, while the dial indicator and The height position of the upper positioning member is respectively locked by the corresponding first locking mechanism and the second locking mechanism to limit the movement and ensure the stability of the structure and the accuracy of the measurement.

Other advantages, objects, and features of the present invention will be manifested in part by the description below, and in part will be understood by those skilled in the art from the study and practice of the present invention.

Description of drawings

Fig. 1 is the front view structure diagram of the utility model;

FIG. 2 is a side view structure diagram of the utility model.

Description of the reference signs in the manual: 1. Support seat, 2. Bottom plate, 3. Vertical plate, 4. Lower positioning member, 5. Upper positioning member, 6. Positioning mechanism, 7. First locking mechanism, 8. Percentage Table, 9, Table bracket, 10, Second locking mechanism, 11, Upper bearing seat, 12, Upper bearing, 13, Base, 14, Adjusting screw, 15, Turntable, 16, Guide bush, 17, Plug , 18, spring, 19, front center, 20, limit channel, 21, rocker arm seat, 22, card seat, 23, rocker, 24, connecting rod, 25, adjusting screw, 26, support foot, 27, support piece.

Detailed ways

The present utility model will be further described in detail below with reference to the accompanying drawings, so that those skilled in the art can refer to the text of the description to implement it accordingly.

In the description of the present invention, the terms "horizontal", "longitudinal", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", The orientations or positional relationships indicated by "top", "bottom", "inside", "outside", etc. are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and are not intended to indicate or It is implied that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore should not be construed as a limitation of the present invention.

As shown in Figure 1 and Figure 2, a vertical outer circle runout measuring tool of the present invention includes:

The support base 1 includes a bottom plate 2 and a vertical plate 3, the vertical plate 3 is fixed on the bottom plate 2, the vertical plate 3 is provided with a sliding rail in the vertical direction, and the bottom plate 2 is detachably and fixedly installed on one side of the vertical plate 3 for The lower positioning member 4 for limiting and fixing the lower end of the workpiece to be measured;

The upper positioning member 5 is used to limit and fix the upper end of the workpiece to be measured. A positioning mechanism 6 is installed on the upper end of the vertical plate 3. The upper positioning member 5 is fixed on the positioning mechanism 6. The upper positioning member 5 and the lower positioning member 4 Relatively and coaxially arranged, the positioning mechanism 6 is used to drive the upper positioning member 5 to move up and down along the sliding rail, and the positioning mechanism 6 is also provided with a first locking mechanism for clamping and fixing the upper positioning member 5 on the sliding rail. 7;

The dial indicator 8 is connected on the vertical plate 3 through the table bracket 9 and is located between the upper positioning and the lower positioning member 4, the table bracket 9 is slidably connected with the sliding rail, and the table bracket 9 is also provided with a clamp for clamping the table bracket 9. The second locking mechanism 10 fastened to the slide rail.

When in use, ensure that the positioning axes of the upper positioning member 5 and the lower positioning member 4 are vertical and coincident. The dial indicator 8 is often used to measure the coaxiality of the workpiece in this field. The distance between them ensures that the lower workpiece can be placed, and the upper positioning member 5 is adjusted upward along the slide rail to a suitable position by the positioning mechanism 6 to facilitate the placement of the workpiece. The upper positioning member 5 is lowered by the positioning mechanism 6 and moves downward until the first locking mechanism 7 locks the height position of the upper positioning member 5 when the workpiece can be pressed. Slide up and down along the slide to a suitable height, at this time, the second locking mechanism 10 is used to clamp and position the watch bracket 9 on the vertical plate 3, and the dial indicator 8 is installed on the watch bracket 9. During the test, make the dial indicator 8 The probe is perpendicular to the axis of the workpiece and is close to the outer surface of the workpiece. The first locking mechanism 7 and the second locking mechanism 10 only need to temporarily clamp and position the corresponding upper positioning member 5 or the watch bracket 9 on the sliding surface. The corresponding position of the rail is sufficient, and the eccentric clamping mechanism or the screw clamping mechanism in the prior art can be used, which will not be repeated here.

The vertical outer circle runout measuring tool of the present invention is provided with a detachable lower positioning member 4 on the bottom plate 2, and for workpieces of different sizes or specifications, different lower positioning members 4 can be replaced to meet the fixing requirements, and can be adjusted to the upper The positioning member 5 and the dial indicator 8 are respectively adjusted in the vertical position along the slide rail, which is further adapted to the workpieces of different sizes, and can measure the coaxiality of different vertical positions of the workpiece, while the dial indicator 8 and the upper positioning member The height position of 5 is locked by the corresponding first locking mechanism 7 and the second locking mechanism 10 respectively to limit movement and ensure the accuracy of measurement.

In another technical solution, as shown in Figures 1-2, the positioning mechanism 6 includes:

the upper bearing seat 11, which is fixed on the upper end of the vertical plate 3 and arranged in the vertical direction in the axial direction, and an upper bearing 12 is arranged in the upper bearing seat 11;

The base 13 is arranged below the upper bearing seat 11, a screw nut is fixed on the base 13, the screw nut and the upper bearing 12 are coaxially arranged, one end of the base 13 is slidably connected with the slide rail, and the other end Connected with the upper positioning member 5, the first locking mechanism 7 is used to clamp and fix the base 13 on the slide rail;

The adjusting screw rod 14 penetrates vertically and is connected to the inner side of the upper bearing 12 and the screw nut in sequence, and the upper end of the adjusting screw rod 14 is connected with a turntable 15 .

By arranging the matching structure of the adjusting screw 14 and the screw nut, the manually rotating turntable 15 drives the adjusting screw 14 to rotate, and the upper end of the adjusting screw 14 is connected to the upper bearing seat 11 through the upper bearing 12, so that the adjusting screw 14 only has a horizontal plane. The base 13 is connected with the adjusting screw 14 through the screw nut, and one end of the base 13 is slidably connected with the slide rail, so that after the adjusting screw 14 rotates, the screw nut Only vertical movement occurs with the base 13. The principle of the screw rod and the screw screw nut is a commonly used matching structure in the mechanical field, which will not be repeated here. Then, the base 13 is clamped and positioned at the corresponding position of the slide rail by the first locking mechanism 7 .

In another technical solution, as shown in Figures 1-2, the upper positioning member 5 includes:

The guide sleeve 16 is a cylindrical structure arranged vertically and is fixed on one end of the base 13. The inner side of the guide sleeve 16 is vertically downwardly provided with a plug 17, a spring 18, and a front center 19 in order. The plug 17 is fixedly connected to the inner wall of the guide sleeve 16, one end of the spring 18 is connected to the bottom of the plug 17, and the other end is connected to the top of the front center 19. The outer diameter of the front center 19 is the same as the inner diameter of the guide sleeve 16 and is the same as that of the guide The inner side walls of the sleeve 16 are slidably connected, the bottom of the front center 19 protrudes downward beyond the bottom of the guide sleeve 16 and is set to be used to limit the tip of the workpiece to be measured, and the upper edge of the side wall of the guide sleeve 16 is vertical. A limit channel 20 is opened in the direction, and the limit channel 20 is arranged through the inside of the guide sleeve 16;

The rocker arm assembly includes a rocker arm seat 21, a card seat 22, a rocker lever 23, and a connecting rod 24. The rocker arm seat 21 is fixed on the base 13 on the side close to the limit channel 20, and the middle part of the card seat 22 It is hinged with the rocker arm seat 21 , one end of the card seat 22 is set close to the limit channel 20 and a limit hole is formed along the radial direction of the guide sleeve 16 , and one end of the connecting rod 24 passes through the limit channel 20 and is connected to the front center 19 The connecting rod 24 has a diameter smaller than that of the limiting hole and the diameter of the end cover is larger than that of the limiting hole. The other end of the clamp 22 is connected to the rocker 23 .

The setting of the spring 18 makes the length of the gap between the upper positioning member 5 and the lower positioning member 4 slightly smaller than the vertical length of the workpiece under the pushing action of the spring 18. When the workpiece is ready to be put in, operate the rocker 23 to press down the holder 22. The corresponding end connected with the rocker 23, under the hinged action of the card seat 22 and the rocker arm seat 21, the other end of the card seat 22 moves up, driving the connecting rod 24 to move up along the limit channel 20, due to the size of the limit hole The size of the connecting rod 24 is larger than that of the connecting rod 24, so that the card seat 22 can overcome the lateral displacement deviation generated by itself around the hinge point. Limit, and then put the workpiece, the lower end of the workpiece is aligned with the lower positioning member 4, then release the rocker 23, under the action of the spring 18 restoring the deformation, the upper center moves down until it pushes into the corresponding position of the workpiece and produces a certain extrusion force to complete the placement of the workpiece.

In another technical solution, as shown in Figures 1-2, one end of the watch support 9 close to the vertical plate 3 is slidably connected to the slide rail, and an adjusting nut is fixed on the watch support 9, and the adjusting nut is The axial direction is vertical, the vertical plate 3 is also fixedly connected with a lower bearing seat, the lower bearing seat is located below the watch bracket 9, a lower bearing is installed in the lower bearing seat, and the lower bearing and the adjusting nut are penetrated together and Attach an adjusting screw 25.

By setting the adjusting screw 25, the adjusting nut, and one end of the adjusting screw 25 is connected to the lower bearing, the adjusting screw 25 only rotates in the horizontal plane, and under the action of the threaded structure, the adjusting nut only moves vertically, thereby driving the watch bracket 9 to change The vertical position of the dial indicator 8 is suitable for the measurement needs of workpieces of different sizes or different positions of the workpiece.

In another technical solution, as shown in FIGS. 1-2 , a plurality of supporting feet 26 are symmetrically arranged at the bottom of the bottom plate 2 , and the vertical plate 3 is connected to all the supporting feet 26 on the side facing away from the lower positioning member 4 . A support block 27 is connected between the bottom plates 2 .

By setting the support feet 26, the bottom plate 2 is a certain distance from the placing platform, which facilitates the disassembly and installation of the lower positioning member 4, and by providing the support block 27, the fixing stability between the vertical plate 3 and the bottom plate 2 is improved.

In another technical solution, as shown in FIGS. 1-2 , the first locking mechanism 7 and the second locking mechanism 10 are respectively disposed on different sides of the upper positioning member 5 .

By arranging the first locking mechanism 7 and the second locking mechanism 10 on different sides, mutual interference is avoided to affect the operation.

Although the embodiments of the present invention have been disclosed as above, they are not limited to the applications listed in the description and the embodiments, and can be applied to various fields suitable for the present invention. For those skilled in the art, Additional modifications may readily be implemented, therefore, the invention is not limited to the specific details and drawings shown and described herein without departing from the general concept defined by the appended claims and the scope of equivalents.

Claims (6)

1. The utility model provides a vertical excircle measuring tool that beats which characterized in that includes:

the supporting seat comprises a bottom plate and a vertical plate, the vertical plate is fixed on the bottom plate, a sliding rail is vertically arranged on the vertical plate, and a lower positioning piece for limiting and fixing the lower end of a workpiece to be measured is detachably and fixedly arranged on one side of the vertical plate on the bottom plate;

the upper positioning part is used for limiting and fixing the upper end of a workpiece to be measured, the upper end of the vertical plate is provided with a positioning mechanism, the upper positioning part is fixed on the positioning mechanism, the upper positioning part and the lower positioning part are arranged oppositely and coaxially, the positioning mechanism is used for driving the upper positioning part to move up and down along the sliding rail, and the positioning mechanism is also provided with a first locking mechanism used for clamping and fixing the upper positioning part on the sliding rail;

the dial indicator is connected to the vertical plate through the indicator support and located between the upper positioning part and the lower positioning part, the indicator support is connected with the sliding rail in a sliding mode, and the indicator support is further provided with a second locking mechanism used for clamping and fixing the indicator support on the sliding rail.

2. The vertical cylindrical runout gauge according to claim 1, wherein the positioning mechanism comprises:

the upper bearing seat is fixed at the upper end of the vertical plate and is axially and vertically arranged, and an upper bearing is arranged in the upper bearing seat;

the base is arranged below the upper bearing seat, a screw nut is fixed on the base and is coaxially arranged with the upper bearing, one end of the base is in sliding connection with the sliding rail, the other end of the base is connected with an upper positioning piece, and the first locking mechanism is used for clamping and fixing the base on the sliding rail;

and the adjusting screw rod penetrates through and is connected with the inner sides of the upper bearing and the screw rod nut in sequence along the vertical direction, and the upper end of the adjusting screw rod is connected with a turntable.

3. The vertical cylindrical runout gauge according to claim 2, wherein the upper positioning member comprises:

the guide sleeve is of a cylindrical structure which is vertically arranged and is fixed at one end of the base, the inner side of the guide sleeve is provided with a plug, a spring and a front centre in sequence along the vertical direction, the plug is fixedly connected with the inner side wall of the guide sleeve, one end of the spring is connected with the bottom of the plug, the other end of the spring is connected with the top of the front centre, the outer diameter of the front centre is the same as the inner diameter of the guide sleeve and is in sliding connection with the inner side wall of the guide sleeve, the bottom of the front centre extends downwards to the outside of the bottom of the guide sleeve and is arranged to be used for limiting and propping against the tip of a workpiece to be measured, the side wall of the guide sleeve is vertically provided with a limiting channel, and the limiting channel is communicated with the inside of the guide sleeve;

the rocker arm assembly comprises a rocker arm seat, a clamping seat, a rocker arm and a connecting rod, wherein the rocker arm seat is fixed on one side, close to a limiting channel, of the base, the middle of the clamping seat is hinged to the rocker arm seat, one end of the clamping seat is close to the limiting channel and is provided with a through limiting hole in the radial direction of the guide sleeve, one end of the connecting rod penetrates through the limiting channel and is connected with the front tip, the other end of the connecting rod penetrates through the limiting hole and is connected with an end cover, the diameter of the connecting rod is smaller than that of the limiting hole, the diameter of the end cover is larger than that of the limiting hole, and the other end of the clamping seat is connected with the rocker arm.

4. The vertical cylindrical runout measuring tool according to claim 2, wherein one end of the gauge stand close to the vertical plate is slidably connected with the slide rail, an adjusting nut is fixed on the gauge stand, the adjusting nut is axially vertical, a lower bearing seat is fixedly connected to the vertical plate and located below the gauge stand, a lower bearing is installed in the lower bearing seat, and the lower bearing and the adjusting nut are jointly penetrated and connected with an adjusting screw.

5. The vertical cylindrical runout measuring tool according to claim 1, wherein a plurality of supporting feet are symmetrically arranged at the bottom of the bottom plate, and supporting blocks are connected between the side of the vertical plate, which faces away from the lower positioning piece, and the bottom plate.

6. The vertical cylindrical runout measuring tool according to claim 1, wherein the first locking mechanism and the second locking mechanism are respectively disposed on different sides of the upper positioning member.

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