CN108801121B - Eccentricity detection method and device for secondary profiling press - Google Patents
Eccentricity detection method and device for secondary profiling press Download PDFInfo
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- CN108801121B CN108801121B CN201810525233.1A CN201810525233A CN108801121B CN 108801121 B CN108801121 B CN 108801121B CN 201810525233 A CN201810525233 A CN 201810525233A CN 108801121 B CN108801121 B CN 108801121B
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- dial indicator
- die
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- miniature dial
- press
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/24—Measuring arrangements characterised by the use of mechanical techniques for measuring angles or tapers; for testing the alignment of axes
- G01B5/25—Measuring arrangements characterised by the use of mechanical techniques for measuring angles or tapers; for testing the alignment of axes for testing the alignment of axes
- G01B5/252—Measuring arrangements characterised by the use of mechanical techniques for measuring angles or tapers; for testing the alignment of axes for testing the alignment of axes for measuring eccentricity, i.e. lateral shift between two parallel axes
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/0002—Arrangements for supporting, fixing or guiding the measuring instrument or the object to be measured
- G01B5/0004—Supports
Abstract
The invention discloses a method and a device for detecting eccentricity of a secondary pressing press. Belongs to the technical field of secondary compression technology and detection after assembly of a medium-pressure machine. The problem that whether the effect of the press after the press is manufactured and assembled or the press is used for a certain time meets the installation requirement or not is mainly solved. It is mainly characterized in that: comprises an upper die, a micro dial indicator bracket, a die sleeve and a lower die; the lower surface of the upper die, the upper surface and the lower surface of the miniature dial indicator bracket and the upper surface of the lower die are all non-eccentric planes; the lower die is fixed in the die sleeve, and a groove is formed in the axis of the upper surface of the lower die; the lower surface of the miniature dial indicator bracket is provided with a boss at the axis, and the lower part of the miniature dial indicator bracket and the boss are in clearance fit with the die sleeve and the lower die groove; the middle part of the miniature dial indicator bracket is hollow, and the miniature dial indicator is arranged at the hollow position of the middle part of the miniature dial indicator bracket. The eccentric error detection device has the characteristics of simple design, small investment and convenience in detection, and is mainly used for quickly detecting the eccentric error of the press after the tool is assembled.
Description
Technical Field
The invention belongs to the technical field of secondary pressing of optical glass, and particularly relates to a method and a device for detecting eccentricity of a secondary pressing press, which are used for detection after a die of the secondary pressing press is assembled.
Background
With the progress of technology, the competition of various industries is increasingly severe, and in order to reduce the processing cost, a cold processing client adopts a gradually decreasing mode for the processing allowance of the secondary profile piece, so that the requirements of appearance technical indexes of various aspects of the profile piece are higher and higher, and the requirements reach the limit of the existing profiling equipment. One of the eccentric indexes is sometimes difficult to guarantee, and after various tool joints and dies are produced according to drawings, defects cannot be detected necessarily due to the limitation of detection means, or after the tool joints and dies are assembled, the defects of the eccentricity of the tool joints and the dies can be accumulated, and the eccentricity of a formed part can be amplified due to the factors of the service life of equipment, the rigidity and the like, so that the eccentricity of the formed part cannot meet the requirements of customers.
Disclosure of Invention
In view of the above problems, the present invention provides an eccentricity detection method and device for a secondary pressing press. The eccentricity detection device has the advantages of simple structure, low investment and convenience in detection, can quickly detect the eccentricity error condition of the press after the assembly of the tooling, and achieves the effects of saving time, improving the utilization rate of equipment and reducing poor eccentricity.
The technical solution of the eccentric detection device of the invention is as follows: the utility model provides an eccentric detection device of secondary die mould press which characterized in that: comprises an upper die, a micro dial indicator bracket, a die sleeve and a lower die; the lower surface of the upper die, the upper surface and the lower surface of the miniature dial indicator bracket and the upper surface of the lower die are all non-eccentric planes; the lower die is fixed in the die sleeve, and a groove is formed in the axis of the upper surface of the lower die; the lower surface of the miniature dial indicator bracket is provided with a boss at the axis, and the lower part of the miniature dial indicator bracket and the boss are in clearance fit with the die sleeve and the lower die groove; the middle part of the miniature dial indicator bracket is hollow, and the miniature dial indicator is arranged at the hollow position of the middle part of the miniature dial indicator bracket.
In the technical scheme of the eccentricity detection device, a boss at the lower part of the miniature dial indicator support is cylindrical or conical, and a groove on the upper surface of the lower die is a matched cylindrical or conical groove.
The miniature dial indicator bracket in the technical scheme of the eccentricity detection device consists of a main frame body, fastening screws and clamping blocks; the upper part and the lower part of the main frame body are respectively provided with an axial upper axial groove and an axial lower groove, and the middle part is provided with a radial middle through cavity; the upper part of the middle through cavity is provided with a clamping block mounting groove, and a main frame body screw hole corresponding to the clamping block mounting groove is arranged on the main frame body; the clamping block is matched with the clamping block mounting groove, two ends of the clamping block are arc-shaped, one side of the clamping block is straight, one part of the other side of the clamping block is straight, and the other part of the clamping block is arc-shaped.
The technical solution of the detection method of the invention is as follows: the eccentric detection method of the secondary profiling press is characterized by comprising the following steps of:
firstly, after a press tool is prepared, an upper die and a lower die are respectively installed, and the lower die is fixed in a die sleeve;
secondly, operating the press to enable the upper die to enter the die sleeve, and ensuring that the upper die, the die sleeve and the lower die are in concentric positions;
placing a boss at the lower part of the miniature dial indicator bracket into a groove at the upper part of the lower die, placing the miniature dial indicator into the miniature dial indicator bracket, and adjusting the left and right positions and the up and down positions of the miniature dial indicator so that the pointer of the miniature dial indicator is positioned at the external position which can be observed clearly and is fixed;
pressing down the upper die to contact with the miniature dial indicator bracket, observing the change of the pointer of the miniature dial indicator and reading; loosening the upper die, rotating the miniature dial indicator bracket, then pressing down the upper die to be in contact with the miniature dial indicator bracket, observing the change of a pointer of the miniature dial indicator and reading; and measuring for multiple times, wherein the difference of the maximum change readings of the pointer of the miniature dial indicator is the eccentricity measurement value.
The invention adopts a secondary profiling press eccentricity detection device which comprises an upper die, a miniature dial indicator bracket, a die sleeve and a lower die, wherein the lower surface of the upper die, the upper and lower surfaces of the miniature dial indicator bracket and the upper surface of the lower die are all non-eccentric planes, the lower die is fixed in the die sleeve, a groove is arranged at the axle center of the upper surface of the lower die, a boss is arranged at the axle center of the lower surface of the miniature dial indicator bracket, the lower part of the miniature dial indicator bracket and the boss are in clearance fit with the die sleeve and the groove of the lower die, the middle part of the miniature dial indicator bracket is hollowed, the miniature dial indicator is arranged at the hollowed position of the middle part of the miniature dial indicator bracket, therefore, when the press eccentricity detection is carried out, the upper die, the lower die and the die sleeve are firstly installed, then the miniature dial indicator and the miniature dial indicator bracket are placed in, and the difference of the maximum change readings of the pointer of the miniature dial indicator is the eccentricity measurement value.
The eccentric error detection device is mainly used for rapidly detecting the eccentric error of the press after the tool is assembled.
Drawings
FIG. 1 is a schematic structural diagram of the eccentricity detection device of the secondary pressing press of the present invention.
FIG. 2 is a schematic view of the clamping block of the bracket of the miniature dial indicator of the present invention.
Fig. 3 is a left side view of fig. 2.
FIG. 4 is a front cross-sectional view of the main frame of the micro dial indicator holder of the present invention.
Fig. 5 is a middle-section left-hand view of fig. 4.
Fig. 6 is a right side view of the middle section of fig. 4.
Fig. 7 is a top view of fig. 4.
Fig. 8 is a bottom view of fig. 4.
In the figure: 1. an upper die; 2. a miniature dial indicator; 3. a miniature dial indicator bracket; 4. die sleeve; 5. a lower die; 6. a clamping block; 7. a clamping block screw hole; 8. the middle part is communicated with the cavity; 9. a lower axial groove; 10. a main frame body screw hole; 11. a clamping block mounting groove; 12. an upper axial groove; 13. a main frame body.
Detailed Description
As shown in fig. 1. The invention discloses an eccentricity detection device of a secondary profiling press, which comprises an upper die 1, a micro dial indicator 2, a micro dial indicator bracket 3, a die sleeve 4 and a lower die 5. Wherein, the lower surface of the upper die 1, the upper and lower surfaces of the miniature dial indicator bracket 3 and the upper surface of the lower die 5 are all non-eccentric planes. The lower die 5 is fixed in the die sleeve 4, and a groove is arranged at the axis of the upper surface of the lower die 5. The axle center of the lower surface of the miniature dial indicator bracket 3 is provided with a boss, and the lower part of the miniature dial indicator bracket 3 and the boss are in clearance fit with the grooves of the die sleeve 4 and the lower die 5. The boss of miniature percentage table support 3 lower part is cylindrical, and the recess of lower mould 5 upper surface is the complex cylinder recess. The boss below the micro dial indicator bracket 3 is in clearance fit with the groove at the upper part of the lower die 5 and can freely rotate in the lower die 5. The middle part of the miniature dial indicator bracket 3 is hollow, and the miniature dial indicator 2 is positioned in the miniature dial indicator bracket 3 with the hollow middle part. The miniature dial indicator bracket 3 consists of a main frame body 13, a fastening screw and a clamping block 6. The upper and lower parts of the main frame body 13 are respectively provided with an upper axial groove 12 and a lower axial groove 9 which are axial and contain or exceed the axis, and the middle part is provided with a radial or transverse middle through cavity 8. The width of the upper axial groove 12 is smaller than the width of the lower axial groove 9. The middle part of the through cavity 8 is matched with the middle part of the micro dial indicator 2, and the top end of the through cavity is provided with a narrower through cavity matched with the upper rod-shaped part of the micro dial indicator 2. One side of the narrower through cavity is provided with a clamping block mounting groove 11, and a main frame body 13 corresponding to the clamping block mounting groove 11 is provided with a main frame body screw hole 10. The clamping block 6 is matched with the clamping block mounting groove 11, the two ends of the clamping block 6 are arc-shaped with the same diameter circle, the left side of the clamping block is straight, one part of the right side of the clamping block is straight, and the other part of the clamping block is arc-shaped. The mini dial indicator 2 is arranged in a middle through cavity 8, the clamping block 6 clamps the upper part of the mini dial indicator 2, and the fastening screws are arranged in a main frame body screw hole 10 and a clamping block screw hole 7. The position of the micro dial indicator 2 can be adjusted left and right, the position can be finely adjusted up and down, and the position of the micro dial indicator 2 can be locked. The miniature dial indicator protective bracket 3 can withstand the pressure of a press of several tons. Go up mould 1, die sleeve 4 and lower mould 5 and constitute supplementary detection mould one set, and for two flat no eccentric moulds through comprehensive detection from top to bottom, miniature percentage table protective cradle can be placed to the mould, and is in central point and puts to enable the support and rotate, in order to conveniently detect the eccentricity.
The eccentric detection method of the secondary pressing press comprises the following steps:
firstly, after a press tool and the like are prepared, an upper die 1 and a lower die 5 are respectively installed, and the lower die 5 is fixed in a die sleeve 4;
secondly, operating the press to enable the upper die 1 to descend to enter the die sleeve 4, and ensuring that the upper die 1, the die sleeve 4 and the lower die 5 are in concentric positions;
thirdly, a boss at the lower part of the miniature dial indicator bracket 3 is placed in a groove at the upper part of the lower die 5, the miniature dial indicator 2 is placed in a middle through cavity 8 of the miniature dial indicator bracket 3, the clamping block 6 is inserted into the clamping block mounting groove 11, and the left position, the right position, the up position and the down position of the miniature dial indicator 2 are adjusted, so that a pointer of the miniature dial indicator 2 is positioned at an external position which can be observed clearly and is fixed well through a fastening screw;
the upper die 1 is pressed down, the plane of the upper die 1 is contacted with the miniature dial indicator bracket 3, the pointer change of the miniature dial indicator 2 is observed, and the reading is recorded; loosening the upper die 1, rotating the miniature dial indicator bracket 3, pressing down the plane of the upper die 1 to be in contact with the miniature dial indicator bracket 3, observing the change of a pointer of the miniature dial indicator 2 and recording the reading; and (3) rotating the miniature dial indicator bracket 3 for multiple times for measurement, wherein the difference of the maximum change reading of the pointer of the miniature dial indicator 2 is the eccentricity measurement value.
After the miniature dial indicator is installed, the bracket is rotated, and whether the assembling effect meets the installation requirements of production or not can be determined by detecting the parallelism data of the die with the upper and lower plane shapes.
Claims (4)
1. The utility model provides an eccentric detection device of secondary die mould press for optical glass secondary die mould press detects its characterized in that: comprises an upper die (1), a micro dial indicator (2), a micro dial indicator bracket (3), a die sleeve (4) and a lower die (5); the lower surface of the upper die (1) is a plane, and the lower surface of the upper die (1), the upper and lower surfaces of the miniature dial indicator bracket (3) and the upper surface of the lower die (5) are non-eccentric planes; the lower die (5) is fixed in the die sleeve (4), and a groove is formed in the axial center of the upper surface of the lower die (5); a boss is arranged at the axis of the lower surface of the miniature dial indicator bracket (3), and the lower part of the miniature dial indicator bracket (3) and the boss are in clearance fit with grooves of the die sleeve (4) and the lower die (5); the miniature dial indicator support (3) consists of a main frame body (13) and clamping blocks (6), wherein the upper part and the lower part of the main frame body (13) are respectively provided with an axial upper axial groove (12) and a lower axial groove (9), the middle part is provided with a radial middle through cavity (8), the upper part of the middle through cavity (8) is provided with a clamping block mounting groove (11), and the clamping blocks (6) are matched with the clamping block mounting grooves (11); the middle part of the miniature dial indicator bracket (3) is hollow, and the miniature dial indicator (2) is arranged at the hollow position of the middle part of the miniature dial indicator bracket (3).
2. The eccentric detection device of secondary die pressing press according to claim 1, characterized in that: the boss at the lower part of the miniature dial indicator support (3) is cylindrical or conical, and the groove on the upper surface of the lower die (5) is a matched cylindrical or conical groove.
3. The eccentricity detection device of the secondary pressing press according to claim 1 or 2, wherein: the miniature dial indicator bracket (3) also comprises a fastening screw; a main frame body screw hole (10) is arranged on the main frame body (13) corresponding to the clamping block mounting groove (11); the two ends of the clamping block (6) are arc-shaped, one side is straight, one part of the other side is straight, and the other part is arc-shaped.
4. A method for detecting eccentricity by using the eccentricity detection device of the secondary pressing press as claimed in any one of claims 1 to 3, which is characterized by comprising the following steps:
firstly, after a press tool is prepared, an upper die (1) and a lower die (5) are respectively installed, and the lower die (5) is fixed in a die sleeve (4);
secondly, operating the press to enable the upper die (1) to enter the die sleeve (4) and ensure that the upper die (1), the die sleeve (4) and the lower die (5) are in concentric positions;
thirdly, a boss at the lower part of the miniature dial indicator support (3) is placed in a groove at the upper part of the lower die (5), the miniature dial indicator (2) is placed in the miniature dial indicator support (3), and the left and right positions and the up and down positions of the miniature dial indicator (2) are adjusted, so that a pointer of the miniature dial indicator (2) is positioned at an external position which can be observed clearly and is fixed;
fourthly, the upper die (1) is pressed down to be in contact with the miniature dial indicator bracket (3), and the pointer change of the miniature dial indicator (2) is observed and read; loosening the upper die (1), rotating the miniature dial indicator bracket (3), then pressing down the upper die (1) to be in contact with the miniature dial indicator bracket (3), and observing the change of a pointer of the miniature dial indicator (2) and reading; and measuring for multiple times, wherein the difference of the maximum change readings of the pointer of the miniature dial indicator (2) is the eccentricity measurement value.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810525233.1A CN108801121B (en) | 2018-05-28 | 2018-05-28 | Eccentricity detection method and device for secondary profiling press |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810525233.1A CN108801121B (en) | 2018-05-28 | 2018-05-28 | Eccentricity detection method and device for secondary profiling press |
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| Publication Number | Publication Date |
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| CN108801121A CN108801121A (en) | 2018-11-13 |
| CN108801121B true CN108801121B (en) | 2021-01-22 |
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| CN201810525233.1A Active CN108801121B (en) | 2018-05-28 | 2018-05-28 | Eccentricity detection method and device for secondary profiling press |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US5433013A (en) * | 1993-09-24 | 1995-07-18 | Micron Custom Manufacturing Services, Inc. | Fixture for alignment of vacuum nozzles on semiconductor manufacturing equipment |
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| CN204162590U (en) * | 2014-07-31 | 2015-02-18 | 四川省洪雅县中保光学元件有限公司 | A kind of optical glass secondary press mould |
| CN204228016U (en) * | 2014-12-01 | 2015-03-25 | 武钢集团昆明钢铁股份有限公司 | A kind of rotary dial gauge fixture |
| CN104457532A (en) * | 2015-01-16 | 2015-03-25 | 常州耐之力刀具制造有限公司 | Eccentric measurement device |
| CN205785026U (en) * | 2016-05-30 | 2016-12-07 | 湖州越球电机有限公司 | Stator core parallelism detecting device |
| CN107367216A (en) * | 2017-09-14 | 2017-11-21 | 黄石盛鼎自动化科技有限公司 | A kind of instrument for Parallel testing |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2091444U (en) * | 1989-11-03 | 1991-12-25 | 张志明 | Internal measuring meter detecting milscale depth of parallelism |
| CN205102761U (en) * | 2015-10-22 | 2016-03-23 | 河南省西峡汽车水泵股份有限公司 | Utensil is examined to press fitting equipment axiality |
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2018
- 2018-05-28 CN CN201810525233.1A patent/CN108801121B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5433013A (en) * | 1993-09-24 | 1995-07-18 | Micron Custom Manufacturing Services, Inc. | Fixture for alignment of vacuum nozzles on semiconductor manufacturing equipment |
| JPH11295005A (en) * | 1998-04-15 | 1999-10-29 | Fuji Oozx Inc | Method for inspecting actuator attaching surface of exhaust brake device |
| CN2463782Y (en) * | 2001-01-01 | 2001-12-05 | 哈尔滨量具刃具厂 | Dialgage automaitc inspection tester holding device |
| CN201397118Y (en) * | 2009-05-20 | 2010-02-03 | 齐齐哈尔二机床(集团)有限责任公司 | Eccentric check tool |
| CN204162590U (en) * | 2014-07-31 | 2015-02-18 | 四川省洪雅县中保光学元件有限公司 | A kind of optical glass secondary press mould |
| CN204228016U (en) * | 2014-12-01 | 2015-03-25 | 武钢集团昆明钢铁股份有限公司 | A kind of rotary dial gauge fixture |
| CN104457532A (en) * | 2015-01-16 | 2015-03-25 | 常州耐之力刀具制造有限公司 | Eccentric measurement device |
| CN205785026U (en) * | 2016-05-30 | 2016-12-07 | 湖州越球电机有限公司 | Stator core parallelism detecting device |
| CN107367216A (en) * | 2017-09-14 | 2017-11-21 | 黄石盛鼎自动化科技有限公司 | A kind of instrument for Parallel testing |
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