CN205482875U - Quick automatic measure hollow shaft overall length, excircle size and device of beating thereof - Google Patents

Abstract

The utility model provides a device for quickly and automatically measuring the total length, outer circle size and runout of a hollow shaft, including a mounting base plate, an L-shaped mounting plate, a positioning and fixing component, an outer diameter and runout measuring component, a positioning movable component and a length measuring component; The first guide rail and the second guide rail are installed on the top surface of the installation bottom plate; the positioning fixed assembly and the positioning movable assembly are respectively matched with the first guide rail through the first slider; the horizontal plate of the L-shaped installation plate and the second The two guide rails are matched by the second slider; the third guide rail is installed on the vertical plate of the L-shaped mounting plate, and the two length measurement components and the two outer diameter and runout measurement components are respectively connected to the third slider by the third slider. The third guide rail is matched; the length measurement component and the outer diameter and runout measurement component are all connected with the SPC computer measurement system. When the device is used to measure the total length, outer diameter and runout, only one positioning of the hollow shaft is required, the measurement efficiency is high, and the labor intensity of operators is reduced.

Description

A device for quickly and automatically measuring the total length, outer circle size and runout of a hollow shaft

technical field

The utility model relates to a measuring device, in particular to a device for quickly and automatically measuring the total length, outer circle size and beating of a hollow shaft.

Background technique

When machining hollow shafts, after scraping and milling and turning the outer circle, it is necessary to measure the overall length, outer circle and runout of the hollow shaft. At present, it is inconvenient to measure the total length, outer circle and runout of the hollow shaft separately. When measuring the total length, the main measuring tool used is a steel tape; one end of the hollow shaft is close to the stop pin, the movable block is moved, the hollow shaft is positioned, and then the pressure is measured with a steel ruler, and the reading on the steel tape is directly read. Measurement of the overall length of the hollow shaft. When measuring the outer circle of the hollow shaft, the main measuring tool used is a micrometer. When measuring the runout of the hollow shaft, the main measuring tool used is the runout measuring tool; first place the hollow shaft on the V-shaped positioning seat so that one end of the hollow shaft is close to the guide sleeve, and then move the dial indicator to measure the runout of each outer circle , and finally get the measurement results of the hollow shaft runout; it can be seen that when measuring the total length, outer circle and runout, it is necessary to change the measuring tool continuously, and to perform multiple positioning of the hollow shaft, and the adjustment time is long, which makes the measurement very inconvenient and the measurement efficiency is low. And the labor intensity of the operator is high.

Utility model content

In view of the above-mentioned shortcomings of the prior art, the purpose of this utility model is to provide a device for quickly and automatically measuring the total length of the hollow shaft, the size of the outer circle and its runout, which is used to solve the above-mentioned technical problems existing in the prior art.

In order to achieve the above purpose and other related purposes, the utility model provides a device for quickly and automatically measuring the total length of the hollow shaft, the size of the outer circle and its beating, at least including: a mounting base plate, an L-shaped mounting plate, a positioning fixed component, a positioning movable component, Length measurement components and outer diameter and runout measurement components;

A pair of first guide rails and a pair of second guide rails are installed on the top surface of the installation base plate, and the first guide rails are perpendicular to the second guide rails; the positioning fixed assembly and the positioning movable assembly are all connected to the first guide rails Respectively cooperate with the first slider, and the first guide rail is provided with a plurality of first connection holes along the length direction, the first slider is installed with at least one screw, and the screw is connected to at least one of the first connection holes. The holes are connected; the opposite ends of the positioning fixed component and the positioning movable component are respectively equipped with support seats for supporting the hollow shaft;

The bottom surface of the horizontal plate of the L-shaped mounting plate cooperates with the second guide rail through the second slider;

A pair of third guide rails is installed on the vertical plate of the L-shaped mounting plate, and the two length measuring components and the two outer diameter and runout measuring components are respectively matched with the third guide rails through the third slider , and the third guide rail or the riser of the L-shaped mounting plate is provided with a plurality of second connection holes along the length direction, and at least one screw is installed on the third slider, and the screw is connected with at least one of the first The two connection holes are connected; the two outer diameter and runout measurement components are located between the two length measurement components;

The length measurement component and the outer diameter and runout measurement component are all connected with the SPC computer measurement system.

Further, the positioning and fixing assembly includes a first base, a first vertical plate arranged on the top surface of the first base, and a fixed top; the bottom surface of the first base is provided with the first slider; The top of a vertical plate is horizontally pierced with the fixed top; the top surface of the first base is horizontally provided with a first fixed plate, and part of the first fixed plate is suspended; one of the support mounts is set on the first The suspended part of the fixed plate.

Further, the positioning movable assembly includes a second base, a second vertical plate arranged on the top surface of the second base, and a movable top; the bottom surface of the second base is provided with the second slider; the first The top of the second vertical plate is movably pierced with the movable top, and the tail of the movable top is connected with a handle through a spring; the top surface of the second base is horizontally provided with a second fixed plate, and part of the second fixed plate is suspended in the air; One of the supporting mounts is arranged on the suspended part of the second fixing plate.

Further, the top surface of the support seat is provided with a V-shaped groove.

Further, baffles are respectively provided at both ends of the third guide rail, and the baffles are vertically connected to the vertical plate and the horizontal plate of the L-shaped installation plate.

Further, the length measurement assembly includes a fixed structure and a length measurer connected to the fixed structure, and the length measurer faces the first guide rail; the third slider is provided on the side of the fixed structure.

Further, the outer diameter and runout measurement assembly includes a fixed base plate and an outer diameter and runout measuring device connected to the fixed base plate, and the outer diameter and runout measuring device faces the first guide rail; the side of the fixed base plate The third slider is provided.

As mentioned above, a device for quickly and automatically measuring the total length of the hollow shaft, the size of the outer circle and its beating of the utility model has the following beneficial effects:

The positioning fixed assembly and the positioning movable assembly can position the hollow shaft; by moving the L-shaped mounting plate along the second guide rail, and moving the length measurement assembly along the third guide rail, the The length measuring assembly is adjusted to the desired position, and then the length can be measured by using two of the length measuring assemblies; in addition, by moving the L-shaped mounting plate along the second guide rail, and moving along the third guide rail The outer diameter and the runout measuring assembly, so that the outer diameter and the runout measuring assembly are adjusted to the desired position, and then the outer diameter and the runout can be measured by using two of the outer diameter and the runout measuring assembly; it can be seen that the total length of the measurement, For the outer diameter and runout, only one positioning of the hollow shaft is required, which makes the measurement very convenient, has high measurement efficiency, and reduces the labor intensity of the operator.

Description of drawings

Fig. 1 shows a perspective view of a device for quickly and automatically measuring the total length of a hollow shaft, the size of the outer circle and its beating of the utility model.

Figure 2 shows an enlarged view of A in Figure 1.

Figure 3 shows the enlarged view of B in Figure 1.

Figure 4 shows the enlarged view at C in Figure 1.

Figure 5 shows the enlarged view at D in Figure 1.

Component designation description

1 Mounting base plate 5 Length measuring unit

2 L-shaped mounting plate 51 Fixed structure

3 Positioning and fixing components 52 Length measuring device

31 First base 6 Outer diameter and runout measurement components

32 First vertical plate 61 Fixed bottom plate

33 Fixed center 62 Outer diameter and runout measuring device

34 First fixed plate 71 First guide rail

4 Positioning movable assembly 72 Second rail

41 Second base 73 Third rail

42 Second Riser 731 Baffle

43 Active top 81 First slider

44 Spring 82 Second slider

45 Handle 83 Third slider

46 Second fixing plate 9 Support seat

detailed description

The implementation of the present utility model is illustrated by specific specific examples below, and those skilled in the art can easily understand other advantages and effects of the present utility model from the content disclosed in this specification.

It should be noted that the structures, proportions, sizes, etc. shown in the drawings attached to this specification are only used to match the content disclosed in the specification, for those who are familiar with this technology to understand and read, and are not used to limit the implementation of the utility model Therefore, it has no technical substantive meaning. Any modification of structure, change of proportional relationship or adjustment of size shall still fall within the scope of Within the scope covered by the technical content disclosed by the utility model. At the same time, terms such as "upper", "lower", "left", "right", "middle" and "one" quoted in this specification are only for the convenience of description and are not used to limit this specification. The practicable range of the utility model, and the change or adjustment of its relative relationship, without any substantial change in the technical content, shall also be regarded as the practicable scope of the utility model.

As shown in Figure 1, the utility model provides a device for quickly and automatically measuring the total length of the hollow shaft, the size of the outer circle and its beating, at least including: a mounting base plate 1, an L-shaped mounting plate 2, a positioning fixed component 3, and a positioning movable component 4 , the length measurement component 5 and the outer diameter and runout measurement component 6; the length measurement component 5 and the outer diameter and runout measurement component 6 are all connected to the SPC computer measurement system.

As shown in Figure 1, a pair of first guide rails 71 and a pair of second guide rails 72 are installed on the top surface of the installation base plate 1, and the first guide rails 71 are perpendicular to the second guide rails 72; the positioning and fixing assembly 3 and the positioning movable assembly 4 are respectively matched with the first guide rail 71 through the first slider 81, and the first guide rail 71 is provided with a plurality of first connecting holes along the length direction, and the first slider 81 At least one screw is installed, and the screw is connected to at least one of the first connecting holes; when the screw for connecting the first guide rail 71 and the first slider 81 is removed, due to the first slider The block 81 cooperates with the first guide rail 71, so the positioning fixed assembly 3 and the positioning movable assembly 4 can move along the first guide rail 71; when the positioning fixed assembly 3 and the positioning movable assembly 4 move to a suitable position When tightening the screw, the first guide rail 71 and the first sliding block 81 can be fixed together to avoid relative displacement, and then the positioning fixed assembly 3 and the positioning movable assembly 4 can be positioned.

The opposite ends of the positioning fixed component 3 and the positioning movable component 4 are respectively installed with support bases 9 for supporting hollow shafts. Preferably, a V-shaped groove is provided on the top surface of the support base 9, so that the support base 9 can be adapted to support hollow shafts of different diameters, and has strong versatility, as shown in FIG. 1 .

The bottom surface of the horizontal plate of the L-shaped mounting plate 2 cooperates with the second guide rail 72 through the second slider 82 , as shown in FIG. 1 .

A pair of third guide rails 73 are installed on the vertical plate of the L-shaped mounting plate 2, and the two length measurement components 5 and the two outer diameter and runout measurement components 6 are connected to the third slide block 83 respectively. The third guide rail 73 cooperates, and the two outer diameter and runout measurement assemblies 6 are all located between the two length measurement assemblies 5; A plurality of second connecting holes are opened in the direction, and at least one screw is installed on the third sliding block 83, and the screw is connected to at least one of the second connecting holes. Preferably, the two ends of the third guide rail 73 are respectively provided with baffles 731, and the baffles 731 are vertically connected with the vertical plate and the horizontal plate of the L-shaped installation plate 2, and the baffles 731 can avoid the The length measurement assembly 5 and the outer diameter and runout measurement assembly 6 slide down the third guide rail 73 , see FIG. 1 .

Preferably, the length measurement assembly 5 includes a fixed structure 51 and a length measurer 52 connected to the fixed structure 51, and the length measurer 52 faces the first guide rail 71; The third slider 83, the third slider 83 cooperates with the third guide rail 73, see FIG. 4 .

Preferably, the outer diameter and runout measurement assembly 6 includes a fixed base plate 61 and an outer diameter and runout measuring device 62 connected to the fixed base plate 61, and the outer diameter and runout measuring device 62 faces the first guide rail 71 . The side of the fixed bottom plate 61 is also provided with the third sliding block 83 , and the third sliding block 83 cooperates with the third guide rail 73 , as shown in FIG. 5 .

Referring to Fig. 1, since the second slider 82 cooperates with the second guide rail 72, the L-shaped mounting plate 2 can move along the second guide rail 72; The length measuring component 5 and the outer diameter and runout measuring component 6 on the top will move in the same direction with the L-shaped mounting plate 2, so by moving the L-shaped mounting plate 2, the length measuring component can 5 and the outer diameter and runout measuring assembly 6 are moved to a suitable position.

Referring to Fig. 1, when the screw used to connect the third guide rail 73 and the third slider 83 is removed, since the third slider 83 cooperates with the third guide rail 73, the L-shaped The mounting plate 2 can move along the third guide rail 73; at the same time, the length measuring assembly 5 and the outer diameter and runout measuring assembly 6 installed on the L-shaped mounting plate 2 will follow the L-shaped installation The board 2 moves in the same direction; when the length measurement assembly 5 and the outer diameter and runout measurement assembly 6 are moved to a suitable position, the screw is locked to fix the third slider 83 to avoid The relative displacement makes the length measurement component 5 and the outer diameter and runout measurement component 6 be positioned.

Preferably, the positioning and fixing assembly 3 includes a first base 31, a first vertical plate 32 arranged on the top surface of the first base 31, and a fixed top 33, and the top of the first vertical plate 32 is horizontally pierced with all The fixed top 33; the top surface of the first base 31 is horizontally provided with a first fixed plate 34, and part of the first fixed plate 34 is suspended; the bottom surface of the first base 31 is provided with the first slider 81, The first sliding block 81 cooperates with the first guide rail 71 ; one support seat 9 rides on the suspended part of the first fixing plate 34 . In order to improve the structural strength, reinforcing ribs are provided on the side wall of the first vertical plate 32 , as shown in FIG. 2 .

Preferably, referring to FIG. 3, the positioning movable assembly 4 includes a second base 41, a second vertical plate 42 arranged on the top surface of the second base 41, and a movable top 43, and the top of the second vertical plate 42 is movable The movable top 43 is pierced, and the tail of the movable top 43 is connected with a handle 45 through a spring 44; when the handle 45 is pulled, the spring 44 is compressed, and under the action of the spring 44, the movable The top 43 will move away from the fixed top 33; when one end of the hollow shaft is matched with the fixed top 33 and the other end is matched with the movable top 43, then the handle 45 is released, and the length of the spring 44 becomes longer. Under the action of the spring 44 , the movable center 43 moves toward the fixed center 33 , and finally the movable center 43 is tightly pressed against the end of the hollow shaft, so that the hollow shaft is positioned. The top surface of the second base 41 is horizontally provided with a second fixed plate 46, and part of the second fixed plate 46 is suspended in the air; the bottom surface of the first base 31 is provided with the first slider 81, and the first slider The block 81 cooperates with the first guide rail 71 ; one support seat 9 rides on the suspended part of the second fixing plate 46 . In order to improve the structural strength and facilitate the installation of the handle 45, the positioning movable assembly 4 also includes a third vertical plate, and the third vertical plate is vertically connected to the side wall of the second vertical plate 42, and the handle 45 is installed on the top of the ribs.

The SPC computer measurement system is a prior art, so it will not be repeated here. Referring to Figure 1 to Figure 3, when measuring, the calibration piece with the calibration reading should be verified first. When removing the screw used to connect the first guide rail 71 and the first slider 81, when the positioning fixed assembly 3 and the positioning movable assembly 4 are moved to a suitable position, lock the screw; The handle 45 is pulled back so that the spring 44 is compressed, and the movable center 43 moves away from the fixed center 33 under the action of the spring 44; After cooperating with the movable apex 43, the handle 45 is released, and the length of the spring 44 gradually becomes longer. The movable apex 43 is tightly pressed on the calibration piece, and the calibration piece is positioned at this moment; then the screw for connecting the third guide rail 73 and the third slide block 83 is removed, when the length measuring assembly 5 and When the outer diameter and runout measurement assembly 6 is moved to a suitable position, lock the screw; set the total length calibration reading on the calibration piece as the size reference, press the two length measurement assemblies 5 to the limit position, and read out the SPC computer measurement system The displayed value is compared with the calibration reading on the calibration block; the calibration reading of the outer diameter on the calibration piece is set as the size reference, and the outer diameter and runout measurement assembly 6 is pressed down to the limit position, and the SPC computer measurement system is read out. The displayed value is compared with the calibration reading on the calibration block; the jump calibration reading on the calibration piece is set as the size reference, and after the calibration piece is rotated one cycle, read the value displayed by the SPC computer measurement system and compare it with the calibration piece on the calibration block. The calibration readings are compared; the hollow shaft can only be measured after all the set calibration dimensions are verified to be qualified.

Referring to Fig. 1, when measuring the hollow shaft, the hollow shaft is positioned through the positioning fixed assembly 3 and the positioning movable assembly 4; as long as the two length measuring assemblies 5 are pressed down to the limit position, the SPC computer measurement system displays the value; and the outer diameter and runout measurement assembly 6 is pressed down to the limit position, read the value displayed by the SPC computer measurement system, and then read the value displayed by the SPC computer measurement system after rotating the calibration piece for one week; it is completed Measure the length, outer diameter and runout of the hollow shaft; it can be seen that when measuring the total length, outer diameter and runout, only one positioning of the hollow shaft is required, which makes the measurement very convenient, high in measurement efficiency, and reduces the labor intensity of the operator.

The above-mentioned embodiments only illustrate the principles and effects of the present utility model, but are not intended to limit the present utility model. Anyone familiar with this technology can modify or change the above-mentioned embodiments without departing from the spirit and scope of the present invention. Therefore, all equivalent modifications or changes made by those with ordinary knowledge in the technical field without departing from the spirit and technical ideas disclosed in the utility model should still be covered by the claims of the utility model.

Claims (7)

1. A device for quickly and automatically measuring the total length of a hollow shaft, the size of the outer circle and its runout, characterized in that it at least includes: a mounting base plate (1), an L-shaped mounting plate (2), a positioning and fixing component (3), a positioning activity Component (4), length measuring component (5) and outer diameter and runout measuring component (6); A pair of first guide rails (71) and a pair of second guide rails (72) are installed on the top surface of the installation base plate (1), and the first guide rails (71) are perpendicular to the second guide rails (72); The positioning fixed component (3) and the positioning movable component (4) are respectively matched with the first guide rail (71) through the first slider (81), and the first guide rail (71) is provided along the length direction with A plurality of first connection holes, the first slider (81) is equipped with at least one screw, and the screw is connected to at least one of the first connection holes; the positioning fixed component (3) and the positioning movable component (4) The opposite ends are respectively equipped with support seats (9) for supporting the hollow shaft; The bottom surface of the horizontal plate of the L-shaped mounting plate (2) cooperates with the second guide rail (72) through the second slider (82); A pair of third guide rails (73) are installed on the vertical plate of the L-shaped mounting plate (2), and the two length measurement assemblies (5) and the two outer diameter and runout measurement assemblies (6) pass through the The third slider (83) is matched with the third guide rail (73), and the vertical plate of the third guide rail (73) or the L-shaped mounting plate (2) is provided with a plurality of second rails along the length direction. connection hole, the third slider (83) is equipped with at least one screw, and the screw is connected to at least one second connection hole; the two outer diameter and runout measurement components (6) are located at the two Between the length measurement components (5); the length measurement components (5) and the outer diameter and runout measurement components (6) are all connected with the SPC computer measurement system. 2. A device for quickly and automatically measuring the total length of a hollow shaft, the size of the outer circle and its runout according to claim 1, characterized in that: the positioning and fixing assembly (3) includes a first base (31), which is located on the The first vertical plate (32) on the top surface of the first base (31), and the fixed top (33); the bottom surface of the first base (31) is provided with the first slider (81); the first The top of the vertical plate (32) is horizontally provided with the fixed top (33); the top surface of the first base (31) is horizontally provided with a first fixed plate (34), and part of the first fixed plate (34) Suspension: one of the support bases (9) rides on the suspension part of the first fixing plate (34). 3. A device for quickly and automatically measuring the total length of the hollow shaft, the size of the outer circle and its beating according to claim 1 or 2, characterized in that: the positioning movable assembly (4) includes a second base (41), a set The second vertical plate (42) on the top surface of the second base (41), and the movable top (43); the bottom surface of the second base (31) is provided with the second slider (82); the The top of the second vertical plate (42) is movably pierced with the movable top (43), and the tail of the movable top (43) is connected with a handle (45) by a spring (44); the top of the second base (41) A second fixed plate (46) is arranged horizontally on the surface, and part of the second fixed plate (46) is suspended; one support seat (9) is mounted on the suspended part of the second fixed plate (46). 4. A device for quickly and automatically measuring the total length, outer circle size and runout of a hollow shaft according to claim 1, characterized in that: the top surface of the support seat (9) is provided with a V-shaped groove. 5. A device for quickly and automatically measuring the total length of the hollow shaft, the size of the outer circle and its runout according to claim 1, characterized in that: the two ends of the third guide rail (73) are respectively provided with baffles (731), And the baffle plate (731) is vertically connected with the vertical plate and the horizontal plate of the L-shaped installation plate (2). 6. A device for quickly and automatically measuring the total length of a hollow shaft, the size of the outer circle and its runout according to claim 3, characterized in that: the length measuring assembly (5) includes a fixed structure (51) and the fixed The length measurer (52) connected to the structure (51), and the length measurer (52) faces the first guide rail (71); the side of the fixed structure (51) is provided with the third slider (83 ). 7. A device for quickly and automatically measuring the total length, outer circle size and runout of a hollow shaft according to claim 3, characterized in that: the outer diameter and runout measurement assembly (6) includes a fixed base plate (61) and a The outer diameter and runout measuring device (62) connected to the fixed base plate (61), and the outer diameter and runout measuring device (62) are facing the first guide rail (71); the side of the fixed base plate (61) is provided with There is said third slider (83).