CN213455279U - Device for comparing and measuring inner arc surface of adjusting screw boring of mechanical press - Google Patents
Device for comparing and measuring inner arc surface of adjusting screw boring of mechanical press Download PDFInfo
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- CN213455279U CN213455279U CN202022957019.9U CN202022957019U CN213455279U CN 213455279 U CN213455279 U CN 213455279U CN 202022957019 U CN202022957019 U CN 202022957019U CN 213455279 U CN213455279 U CN 213455279U
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Abstract
The utility model discloses a device for comparing and measuring the inner arc surface of a mechanical press adjusting screw boring, which belongs to the field of metal forming machine tool manufacturing and comprises a measuring seat, wherein the measuring seat can be placed on the inner arc surface; a table column is arranged in the center of the measuring seat, a step hole is formed in the table column and penetrates through the measuring seat, a small-diameter section is arranged above the step hole, and a large-diameter section is arranged below the step hole; a measuring rod is arranged in the large-diameter section, one end of the measuring rod can be abutted against the inner arc surface, and a small-diameter boss is arranged at the other end of the measuring rod and extends into the small-diameter section; a dial indicator is arranged above the small-diameter section, a measuring rod of the dial indicator is inserted into the small-diameter section and can be abutted against the end part of the small-diameter boss, a set screw is arranged on one side of the small-diameter section, and the set screw extends into the small-diameter section to fix the dial indicator; the small-diameter boss is sleeved with a spring, and the spring is abutted between the step of the step hole and the step of the small-diameter boss; the side wall of the measuring rod is provided with a limiting groove, one side of the large-diameter section is provided with a limiting screw, and the limiting screw extends into the limiting groove and is used for limiting the measuring rod to be separated from the large-diameter section.
Description
Technical Field
The utility model relates to a metal forming machine tool makes the field, concretely relates to arc surface comparison measuring device in mechanical press adjusting screw boring.
Background
The mechanical press with crank slide block structure of more than 1600 tons has arc surface contact between the regulating screw and the connecting rod body, inner arc surface of the regulating screw and H7 tolerance. Due to the special internal structure (shown in fig. 2) and strict manufacturing tolerance of the adjusting screw, the processing difficulty is high when the inner circular arc surface is bored, the measurement is difficult, if the radial dimension result cannot be accurately measured during semi-fine boring and fine boring of the R arc, the radial tool cutting allowance of the adjusting tool cannot be accurately referenced, and the R dimension manufacturing tolerance cannot be guaranteed.
At present, mechanical press professional manufacturers with large scale adopt portable three-coordinate measuring machines to carry out accurate measurement, so that measuring equipment is expensive and many manufacturers do not have the measuring equipment. A production plant without a portable three-coordinate measuring machine adopts a single-rod type inside micrometer to measure the radial distance between a boring shaft and an R arc bottom, an outside micrometer is used to measure the diameter of the boring shaft to obtain the radius of the boring shaft, and the two items are summed to obtain an R size value.
Problem and not enough that exist in the aspect of measuring when to current semi-fine boring, fine boring R arc, the utility model discloses combine the form of degree of depth micrometer and mechanical depth gauge, the relatively measuring device of cambered surface in the mechanical press adjusting screw boring has been designed and manufactured, and the process is measured when solving current boring R arc and is gone up the not enough that exists.
SUMMERY OF THE UTILITY MODEL
To the problem that exists among the prior art, the utility model provides a pair of arc surface is than measuring device in mechanical press adjusting screw boring can the low-cost high accuracy measurement confirm adjusting screw interior arc surface R size value.
In order to realize the purpose, the utility model discloses a technical scheme as follows: a device for comparing and measuring the inner arc surface of an adjusting screw bore of a mechanical press comprises a measuring seat, wherein the measuring seat can be placed on the inner arc surface;
a table column is arranged in the center of the measuring seat, a step hole is formed in the table column and penetrates through the measuring seat, a small-diameter section is arranged above the step hole, and a large-diameter section is arranged below the step hole;
a measuring rod is arranged in the large-diameter section, one end of the measuring rod can be abutted against the inner arc surface, and a small-diameter boss is arranged at the other end of the measuring rod and extends into the small-diameter section;
a dial indicator is arranged above the small-diameter section, a measuring rod of the dial indicator is inserted into the small-diameter section and can be abutted against the end part of the small-diameter boss, a set screw is arranged on one side of the small-diameter section, and the set screw extends into the small-diameter section to fix the dial indicator;
the small-diameter boss is sleeved with a spring, and the spring is abutted between the step of the step hole and the step of the small-diameter boss;
the side wall of the measuring rod is provided with a limiting groove, one side of the large-diameter section is provided with a limiting screw, and the limiting screw extends into the limiting groove and utilizes the limiting groove to limit the separation of the measuring rod from the large-diameter section.
As a preferable technical scheme, a tensioning sleeve is arranged in the small-diameter section, and the fastening screw abuts against the tensioning sleeve to fix the dial indicator by the tensioning sleeve.
Preferably, the measuring rod probe portion is hardened.
The utility model discloses an useful part lies in:
the utility model discloses the comparison appearance piece is used in the time of the measurement earlier, the comparison appearance piece is the standard appearance piece of known interior arc surface R size, measure earlier during the measurement and show numerical value one than the radial R size of arc surface in the appearance piece, then reuse measuring device does same measurement on arc surface in adjusting screw, it shows numerical value two to record, show numerical value one according to showing numerical value and subtracting the difference that shows numerical value two and compare the interior arc surface of appearance piece radial R size's standard value and can confirm adjusting screw rod interior arc surface R size value, realized also can carry out the accurate measurement's of adjusting screw rod boring interior arc surface purpose at the mechanical press manufacturing plant that does not possess portable three-coordinate measuring machine, the problem that the accuracy is not high has been carried out indirect measurement to the use single-rod-type inside micrometer has been solved.
Drawings
FIG. 1 is a schematic structural diagram of a comparative measuring device for internal arc surfaces of adjusting screw bores of a mechanical press during operation;
FIG. 2 is a schematic view of the inner arc surface of an adjusting screw of a mechanical press.
In the figure: 1-comparison sample block, 2-limit screw, 3-set screw, 4-dial indicator, 5-expansion sleeve, 6-spring, 7-measuring rod and 8-measuring seat.
Detailed Description
In order to facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings.
As shown in fig. 1, the device for comparing and measuring the inner arc surface of the adjusting screw bore of the mechanical press comprises a measuring base 8, wherein the measuring base 8 can be placed on the inner arc surface, a pillar is arranged at the center of the measuring base 8, a step hole is formed in the pillar and penetrates through the measuring base 8, a small-diameter section is arranged above the step hole, and a large-diameter section is arranged below the step hole; the utility model discloses be equipped with measuring stick 7 in the major diameter section, measuring stick 7 one end can be contradicted with interior arc surface, and the other end of measuring stick 7 is equipped with the path boss and stretches into the minor diameter section, for guaranteeing the long-term precision of gauge head position, the utility model discloses measuring stick 7 gauge head position quenches;
a dial indicator 4 is arranged above the small-diameter section, a measuring rod of the dial indicator 4 is inserted into the small-diameter section and can be abutted against the end part of the small-diameter boss, a set screw 3 is arranged on one side of the small-diameter section, a tensioning sleeve 5 is arranged in the small-diameter section, and the set screw 3 abuts against the tensioning sleeve 5 and fixes the dial indicator 4 by utilizing the tensioning sleeve 5;
the small-diameter boss of the utility model is sleeved with the spring 6, and the spring 6 is pressed between the step of the step hole and the step of the small-diameter boss, so that the measuring rod 7 is always kept in an extending state;
be equipped with the spacing groove on 7 lateral walls of measuring stick, big footpath section one side is equipped with stop screw 2, and stop screw 2 utilizes the spacing groove to restrict measuring stick 7 and breaks away from big footpath section in stretching into the spacing groove.
The utility model discloses during the measurement earlier get with comparison appearance piece 1, comparison appearance piece 1 is the standard appearance piece of known interior arc surface R size, measure earlier during the measurement and show than the radial R size of arc surface in appearance piece 1 and show numerical value one, then reuse measuring device is same measurement on arc surface in adjusting screw, it shows numerical value two to record table, according to showing numerical value one, the difference that shows numerical value two and the standard value of comparing the radial R size of arc surface in appearance piece 1 can confirm adjusting screw interior arc surface R size value, realized also can carry out the accurate measurement's of adjusting screw boring interior arc surface purpose at the mechanical press manufacturing plant that does not possess portable three-coordinate measuring machine, the problem that the accuracy is not high is carried out indirect measurement to the use single-rod-type inside micrometer has been solved.
It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Furthermore, it should be understood that various changes, modifications and/or alterations to the present invention may be made by those skilled in the art after reading the technical disclosure of the present invention, and all such equivalents may fall within the scope of the present invention as defined by the appended claims.
Claims (3)
1. The utility model provides a cambered surface comparison measuring device in mechanical press adjusting screw boring which characterized in that: the measuring device comprises a measuring seat, wherein the measuring seat can be placed on an inner arc surface;
a table column is arranged in the center of the measuring seat, a step hole is formed in the table column and penetrates through the measuring seat, a small-diameter section is arranged above the step hole, and a large-diameter section is arranged below the step hole;
a measuring rod is arranged in the large-diameter section, one end of the measuring rod can be abutted against the inner arc surface, and a small-diameter boss is arranged at the other end of the measuring rod and extends into the small-diameter section;
a dial indicator is arranged above the small-diameter section, a measuring rod of the dial indicator is inserted into the small-diameter section and can be abutted against the end part of the small-diameter boss, a set screw is arranged on one side of the small-diameter section, and the set screw extends into the small-diameter section to fix the dial indicator;
the small-diameter boss is sleeved with a spring, and the spring is abutted between the step of the step hole and the step of the small-diameter boss;
the side wall of the measuring rod is provided with a limiting groove, one side of the large-diameter section is provided with a limiting screw, and the limiting screw extends into the limiting groove and utilizes the limiting groove to limit the separation of the measuring rod from the large-diameter section.
2. The device for comparing and measuring the internal arc surface of the adjusting screw bore of the mechanical press as claimed in claim 1, wherein: and a tensioning sleeve is arranged in the small-diameter section, and the fastening screw abuts against the tensioning sleeve and fixes the dial indicator by utilizing the tensioning sleeve.
3. The device for comparing and measuring the internal arc surface of the adjusting screw bore of the mechanical press as claimed in claim 1, wherein: and hardening the measuring head part of the measuring rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022957019.9U CN213455279U (en) | 2020-12-09 | 2020-12-09 | Device for comparing and measuring inner arc surface of adjusting screw boring of mechanical press |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022957019.9U CN213455279U (en) | 2020-12-09 | 2020-12-09 | Device for comparing and measuring inner arc surface of adjusting screw boring of mechanical press |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213455279U true CN213455279U (en) | 2021-06-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022957019.9U Active CN213455279U (en) | 2020-12-09 | 2020-12-09 | Device for comparing and measuring inner arc surface of adjusting screw boring of mechanical press |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213455279U (en) |
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2020
- 2020-12-09 CN CN202022957019.9U patent/CN213455279U/en active Active
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