CN207343835U - Boring machine means for correcting - Google Patents

Abstract

The utility model relates to a calibration device for a boring machine, which comprises a standard rod, a first bracket, a second bracket, a mounting bracket and a measuring tool. The two ends of the standard rod are respectively used to correspond to the two ends of the workpiece to be processed. One end of the standard rod is installed on the first bracket. The first bracket is used to be installed on the boring machine table. On the second bracket, the second bracket is used to install on the boring machine table, the height of the first bracket and/or the second bracket can be adjusted, the mounting bracket is used to be installed on the boring machine spindle, the measuring tool is installed on the mounting bracket, and the measuring tool can be connected with Standard bar abutment to measure the concentricity of the standard bar with the spindle of the boring machine. The calibration device for a boring machine uses a standard bar as an indirect reference, so that the holes at both ends of the workpiece to be processed are coaxial with the indirect reference, thereby improving the coaxiality of the holes at both ends of the processed workpiece.

Description

Boring machine correction device

technical field

The utility model relates to the technical field of mechanical processing, in particular to a boring machine correction device.

Background technique

In the process of mechanical processing, it is often necessary to use a boring machine to bore the existing prefabricated holes of the workpiece to achieve the finishing of the holes. When the traditional boring machine is processing large-sized workpieces, the rigidity of the boring bar extension is poor. And the workpiece is placed between the boring head and the tailstock of the boring machine, when the size of the workpiece exceeds the specification of the boring machine, it cannot be processed. To solve this problem, the workpiece is generally processed by turning around and boring. The boring rod has a short extension and good rigidity. When boring pins at both ends of the workpiece, a larger cutting amount can be selected to improve the processing efficiency of the workpiece. When the workpiece is processed by turning around and boring, how to ensure the coaxiality of the two ends of the processed workpiece is an urgent problem to be solved.

Utility model content

Based on this, the utility model aims to overcome the defects of the prior art, and provides a boring machine calibration device, which can improve the coaxiality of the holes at both ends of the processed workpiece.

A boring machine correction device, comprising a standard rod, a first bracket, a second bracket, a mounting bracket and a measuring tool, the standard rod is cylindrical, and the standard rod is used to be arranged between the two ends of the workpiece to be processed, and The two ends of the standard rod are respectively used to correspond to the holes at both ends of the workpiece to be processed, one end of the standard rod is installed on the first bracket, and the first bracket is used to be installed on the boring machine table, The other end of the standard rod is installed on the second bracket, the second bracket is used to be installed on the boring machine table, the height of the first bracket and/or the second bracket is adjustable, and the mounting bracket It is used to be installed on the main shaft of the boring machine, the measuring tool is installed on the mounting bracket, and the measuring tool can abut against the standard bar to measure the coaxiality between the standard bar and the main shaft of the boring machine.

The above calibration device for boring machine first measures the coaxiality between the standard rod and the main shaft of the boring machine through the measuring tool, and after the standard rod is corrected to be coaxial with the main shaft of the boring machine, a tool is installed to bore one of the end holes of the workpiece to be processed, and one end hole is precisely After processing, the workpiece to be processed is turned 180° together with the worktable of the boring machine, and then the coaxiality between the standard rod and the spindle of the boring machine is measured by the measuring tool, and the standard rod is corrected to be coaxial with the spindle of the boring machine, then the workpiece to be processed can be bored. Another port hole. The boring machine calibration device uses a standard bar as an indirect reference, so that the two-end holes of the workpiece to be processed are coaxial with the indirect reference, thereby improving the coaxiality of the two-end holes of the processed workpiece.

In one of the embodiments, the bottom of the first support is provided with at least one detachable first height-adjusting spacer, and the bottom of the second support is provided with at least one detachable second height-adjusting spacer. The height of the first bracket and the second bracket can be changed by increasing or decreasing the quantity of the first height-adjusting spacer and the second height-adjusting spacer, so as to adjust the height of the standard rod, and is convenient to use.

In one of the embodiments, the first support and the second support are both telescopic supports, which are convenient for adjusting the height of the standard rod.

In one of the embodiments, the boring machine calibration device further includes a flat ruler, a third bracket and a fourth bracket, the flat ruler is used to be arranged to cross the rotation axis of the boring machine table, and one end of the flat ruler is installed on the On the third bracket, the third bracket is used to be installed on the boring machine table, the other end of the ruler is installed on the fourth bracket, and the fourth bracket is used to be installed on the boring machine table, The height of the third bracket and/or the fourth bracket can be adjusted, and the measuring tool can abut against the flat ruler to measure the rotation accuracy of the boring machine table. Use measuring tools to measure the rotation accuracy of the boring machine table. If the rotation accuracy meets the requirements, process the holes at both ends of the workpiece to be processed. If the rotation accuracy does not meet the requirements, replace or repair the boring machine, thereby reducing the scrap rate.

In one of the embodiments, the bottom of the third support is provided with at least one detachable third spacer for height adjustment, and the bottom of the fourth support is provided with at least one detachable fourth spacer for height adjustment. The height of the third bracket and the fourth bracket can be changed by increasing or decreasing the quantity of the third height-adjusting spacer and the fourth height-adjusting spacer, thereby adjusting the height of the level ruler, which is convenient to use.

In one of the embodiments, the third bracket and the fourth bracket are both telescopic brackets, which are convenient for adjusting the height of the standard rod.

In one of the embodiments, the measuring tool is a dial indicator or a dial indicator, which is convenient for measurement.

In one of the embodiments, the mounting bracket is a magnetic watch stand. The measuring tool is installed on the spindle of the boring machine by using the magnetic table base, which is easy to disassemble and assemble.

Description of drawings

Figure 1 is a schematic diagram of the use of the boring machine calibration device described in the embodiment of the present invention;

Fig. 2 is the second schematic diagram of the use of the boring machine calibration device described in the embodiment of the present invention.

Explanation of reference signs:

10. Standard bar, 20. First bracket, 30. Second bracket, 40. Installation bracket, 50. Measuring tool, 60. Square ruler, 70. Third bracket, 80. Fourth bracket, 90. Work piece to be processed, 100 , Boring machine table, 110, Boring machine spindle.

Detailed ways

In order to facilitate the understanding of the utility model, the utility model will be described more fully below with reference to the relevant drawings. Preferred embodiments of the utility model are provided in the accompanying drawings. However, the invention may be embodied in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present utility model more thorough and comprehensive.

It should be noted that when an element is referred to as being “fixed” to another element, it can be directly on the other element or there can also be an intervening element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or intervening elements may also be present. In contrast, when an element is referred to as being "directly on" another element, there are no intervening elements present. The terms "vertical," "horizontal," "left," "right," and similar expressions are used herein for purposes of illustration only and are not intended to represent the only embodiments.

Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the technical field of this invention. The terminology used herein in the description of the utility model is only for the purpose of describing specific implementations, and is not intended to limit the utility model. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

As shown in Figures 1-2, the boring machine calibration device described in this embodiment includes a standard rod 10, a first bracket 20, a second bracket 30, a mounting bracket 40 and a measuring tool 50, the standard rod 10 is cylindrical, and the The standard rod 10 is used to be arranged between the holes at both ends of the workpiece 90 to be processed, and the two ends of the standard rod 10 are respectively used to correspond to the holes at both ends of the workpiece 90 to be processed, and one end of the standard rod 10 Installed on the first bracket 20, the first bracket 20 is used to be installed on the boring machine table 100, the other end of the standard rod 10 is installed on the second bracket 30, the second bracket 30 For installation on the boring machine table 100, the height of the first bracket 20 and/or the second bracket 30 can be adjusted, the installation bracket 40 is used for installation on the boring machine spindle 110, and the measuring tool 50 is installed on the Installed on the bracket 40 , the measuring tool 50 can abut against the standard rod 10 to measure the coaxiality between the standard rod 10 and the spindle 110 of the boring machine.

Wherein, the first bracket 20 and the second bracket 30 are supported on the boring machine table 100 by their own weight, and the standard bar 10 is supported on the first bracket 20 and the second bracket 30 by their own weight, which is convenient for disassembly.

Specifically, the bottom of the first support 20 is provided with at least one detachable first spacer for height adjustment, and the bottom of the second support 30 is provided with at least one second spacer for detachable height adjustment. The height of the first bracket 20 and the second bracket 30 can be changed by increasing or decreasing the number of the first height-adjusting spacers and the second height-adjusting spacers, thereby adjusting the height of the standard bar 10 , which is convenient to use. In other embodiments, the first bracket 20 and the second bracket 30 may also be telescopic brackets.

Further, the boring machine calibration device also includes a flat ruler 60, a third bracket 70 and a fourth bracket 80, the flat ruler 60 is used to intersect the rotation axis of the boring machine table 100, and one end of the flat ruler 60 is installed On the third bracket 70, the third bracket 70 is used to be installed on the boring machine table 100, and the other end of the square ruler 60 is installed on the fourth bracket 80, and the fourth bracket 80 is used for When installed on the boring machine table 100 , the height of the third bracket 70 and/or the fourth bracket 80 can be adjusted, and the measuring tool 50 can abut against the flat ruler 60 to measure the rotation accuracy of the boring machine table 100 . Measure the rotation accuracy of the boring machine table 100 with the measuring tool 50, if the rotation accuracy meets the requirements, process the holes at both ends of the workpiece 90 to be processed, if the rotation accuracy does not meet the requirements, replace or repair the boring machine, thereby reducing the scrap rate.

Wherein, the third bracket 70 and the fourth bracket 80 are supported on the boring machine table 100 by their own weight, and the square ruler 60 is supported on the third bracket 70 and the fourth bracket 80 by their own weight, which is convenient for disassembly.

Specifically, the bottom of the third support 70 is provided with at least one detachable third spacer for height adjustment, and the bottom of the fourth support 80 is provided with at least one detachable fourth spacer for height adjustment. The height of the third bracket 70 and the fourth bracket 80 can be changed by increasing or decreasing the number of the third height-adjusting spacer and the fourth height-adjusting spacer, thereby adjusting the height of the ruler 60, which is convenient to use. In other embodiments, the third bracket 70 and the fourth bracket 80 may also be telescopic brackets.

In this embodiment, the measuring tool 50 is a dial indicator, which is convenient for measurement. The mounting bracket 40 is a magnetic watch base. The measuring tool 50 is installed on the boring machine spindle 110 by using the magnetic table base, which is convenient for disassembly and assembly. In other embodiments, the gauge 50 may also be a dial gauge or a multimeter.

The method of using the boring machine correction device described in this embodiment is as follows:

① As shown in FIG. 1 , measure the rotation accuracy of the boring machine table 100 .

Install the flat ruler 60 on the boring machine table 100 through the third bracket 70 and the fourth bracket 80. The flat ruler 60 needs to cross the rotation axis of the boring machine table 100, that is, the rotation axis of the boring machine table 100 needs to pass through the flat ruler 60 . Start the boring machine table 100 to adjust the position of the ruler 60 so that the ruler 60 is parallel to the main shaft 110 of the boring machine.

Contact the measuring tool 50 with the ruler 60, read the reading D of the measuring tool 50 at the starting point, then start the boring machine table 100 to move laterally for a distance S, then close the boring machine table 100, and read the reading D` of the measuring tool 50 at the end point. Adjust the height of the ruler 60 by adjusting the number of the third height-adjusting pad and the fourth height-adjusting pad, so that the number D' is equal to the number D.

Next, start the boring machine table 100 to rotate 180°, contact the measuring tool 50 with the flat ruler 60, read the reading H of the measuring tool 50 at the starting point, then start the boring machine table 100 to move laterally for a distance S, then close the boring machine table 100, and read The gauge 50 at the end point shows the number H'. At this time, the angle error Δθ=arctan(Δh/S) between the rotation axis of the boring machine table 100 and the boring machine spindle 110 can be calculated.

If Δθ is greater than or equal to 1/2 of the conversion angle of the required tolerance value of the coaxiality of the holes at both ends of the workpiece 90 to be processed, the boring machine should be replaced or repaired. If Δθ is less than 1/2 of the conversion angle required by the coaxiality of the holes at both ends of the workpiece 90 to be processed, then the holes at both ends of the workpiece 90 to be processed are processed.

② As shown in Fig. 2, correct the coaxiality between the standard rod 10 and the spindle 110 of the boring machine.

(1) Fix the workpiece 90 with prefabricated holes on the boring machine table 100 by using the hole grooves and the pressing plate on the boring machine table 100 .

(2) The mounting bracket 40 is installed on the boring machine spindle 110 through one of the end holes of the workpiece 90 to be processed, and the measuring tool 50 is abutted against one end of the upper bus bar of the standard bar 10, and then the boring machine table 100 is driven to move laterally until the measuring tool 50 closes the boring machine workbench 100 after abutting against the upper busbar other end of the standard rod 10 . Adjust the height of the standard bar 10 by adjusting the number of the first height-adjusting shim and the second height-adjusting shim, so that the indication of the gauge 50 at one end of the upper busbar is equal to the indication of the gauge 50 at the other end of the upper busbar, that is, the standard is completed. Upper bus bar correction for stick 10.

(3) Abut the measuring tool 50 against one end of the side bus bar of the standard bar 10, and then start the boring machine table 100 to make a lateral movement until the measuring tool 50 contacts the other end of the side bus bar of the standard bar 10 and then close the boring machine table 100. By driving the boring machine table 100 to rotate, the reading of the measuring tool 50 at one end of the side busbar is equal to the reading of the measuring tool 50 at the other end of the side busbar, that is, the calibration of the side busbar of the standard bar 10 is completed.

(4) Micro-move the boring machine spindle 110 and drive the boring machine table 100 to move longitudinally, so that the reading when the measuring tool 50 rotates around the standard rod 10 remains unchanged, that is, the coaxiality correction between the standard rod 10 and the boring machine spindle 110 is completed.

(5) Boring one of the end holes of the workpiece 90 to be processed. After the finish machining of one end hole is completed, the workpiece 90 to be processed and the boring machine table 100 are rotated 180°, and the above two steps (3) and (4) are repeated. The other end hole of the workpiece 90 to be machined is bored.

The calibration device for a boring machine uses the standard bar 10 as an indirect reference, so that the holes at both ends of the workpiece 90 to be processed are coaxial with the indirect reference, thereby improving the coaxiality of the holes at both ends of the processed workpiece.

The technical features of the above-mentioned embodiments can be combined arbitrarily. To make the description concise, all possible combinations of the technical features in the above-mentioned embodiments are not described. However, as long as there is no contradiction in the combination of these technical features, should be considered as within the scope of this specification.

The above-mentioned embodiments only express several implementation modes of the utility model, and the description thereof is relatively specific and detailed, but it should not be understood as limiting the scope of the utility model patent. It should be noted that those skilled in the art can make several modifications and improvements without departing from the concept of the present invention, and these all belong to the protection scope of the present invention. Therefore, the scope of protection of the utility model patent should be based on the appended claims.

Claims (8)

1. a kind of boring machine means for correcting, it is characterised in that including master bar, first support, second support, mounting bracket and amount Tool, the master bar is cylindrical, and the master bar is used to be arranged between the both ends of the hole of workpiece to be processed, and the master bar Both ends be respectively used to be correspondingly arranged with the both ends of the hole of workpiece to be processed, one end of the master bar is installed on the first support On, the first support is used to be installed on boring table, and the other end of the master bar is installed in the second support, The second support is used to be installed on boring table, the first support and/or second support it is height-adjustable, it is described Mounting bracket is used to be installed on boring spindle, and the measurer is installed in the mounting bracket, and the measurer can be with the mark Quasi- rod is abutted to measure the concentricity of the master bar and boring spindle.

2. boring machine means for correcting according to claim 1, it is characterised in that the bottom of the first support is equipped with detachable At least one first heighten gasket, the bottom of the second support is equipped with dismountable at least one second and heightens gasket.

3. boring machine means for correcting according to claim 1, it is characterised in that the first support and second support are to stretch Contracting stent.

4. boring machine means for correcting according to claim 1, it is characterised in that further include leveling ruler, the 3rd stent and the 4th Frame, for the leveling ruler for arranged in a crossed manner with the axis of rotation of boring table, one end of the leveling ruler is installed on described 3rd On frame, the 3rd stent is used to be installed on boring table, and the other end of the leveling ruler is installed on the 4th stent, 4th stent is used to be installed on boring table, the 3rd stent and/or the 4th stent it is height-adjustable, it is described Measurer can be abutted with the leveling ruler to measure the rotating accuracy of boring table.

5. boring machine means for correcting according to claim 4, it is characterised in that the bottom of the 3rd stent is equipped with detachable At least one 3rd heighten gasket, the bottom of the 4th stent is equipped with the dismountable at least one 4th and heightens gasket.

6. boring machine means for correcting according to claim 4, it is characterised in that the 3rd stent and the 4th stent are to stretch Contracting stent.

7. according to claim 1-6 any one of them boring machine means for correctings, it is characterised in that the measurer is amesdial or hundred Divide table.

8. boring machine means for correcting according to claim 7, it is characterised in that the mounting bracket is Magnetic gauge stand.