CN105444709A - Injection mold measurement method and system based on ROMER joint arm measurement machine - Google Patents
Injection mold measurement method and system based on ROMER joint arm measurement machine Download PDFInfo
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- CN105444709A CN105444709A CN201610009480.7A CN201610009480A CN105444709A CN 105444709 A CN105444709 A CN 105444709A CN 201610009480 A CN201610009480 A CN 201610009480A CN 105444709 A CN105444709 A CN 105444709A
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- mold
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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
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/76—Measuring, controlling or regulating
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Length Measuring Devices With Unspecified Measuring Means (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The invention relates to an injection mold measurement method and system based on a ROMER joint arm measurement machine. The injection mold measurement method comprises the steps of: step S1, calibration of a probe; step S2, placement of a mold and fixation of a joint arm; step S3, measurement of elements and establishment of a work coordinate system; and step S4, measurement of a mold key surface. The injection mold measurement method and system based on the ROMER joint arm measurement machine can realize onsite detection of such large-size parts as an injection mold and the like, guarantee the processing precision, provide a basis for further mold repair, finally improve the mold testing reliability and obtain qualified plastic products.
Description
Technical field
The present invention relates to technical field of mold, be particularly applicable in injection mould detection, the detection of other large-scale covering cold punching die, large-scale plastic parts and covering is also suitable for.
Background technology
Along with the development of 3 dimension technology, consider the installation accuracy of product, the large-scale die cavity class such as injection mould mould, client also requires to carry out process detection gradually, provides return on qualification, promotes die trial success ratio, guarantee product quality.For injection molds such as automotive upholsteries; cavity structure is complicated; weight often can more than more than 2 tons; cannot complete detection in three-dimensional or other measuring equipments, and articulated arm coordinate measuring machine can be placed in scene or lathe, can complete in-site measurement greatly with little survey; namely can do processing further with a definite target in view by measurement result to repair a die; also can provide final measurement report gives client simultaneously, improves and measures efficiency and product reliability, improve the competitive power of Mould Enterprise.This achievement project " a kind of injection mold measuring method based on ROMER joint arm measuring machine " is exactly will in automotive upholstery injection mold enterprise, the detection method that success used over the past two years is openly promoted, and solves the difficult problem measured in die manufacture.
Summary of the invention
The object of this invention is to provide a kind of injection mold measuring method based on ROMER joint arm measuring machine and system
In order to solve the problems of the technologies described above, the invention provides a kind of injection mold measuring method, comprising the steps:
Step S1, gauge head is demarcated;
Step S2, mold placement and joint arm are fixed;
Step S3, elements are contained with set up work coordinate system; And
Step S4, the measurement of keyboard is closed in mold.
Further, the method that in described step S1, gauge head is demarcated comprises: described gauge head adopts ball-type gauge head, and is horizontally rotated by standard ball, and measures 9 calibration points respectively to four horizontal directions, to obtain 36 calibration data, realizes gauge head Fast Calibration.
Further, the method that in described step S2, mold placement and joint arm are fixed comprises: the side base of joint arm being fixed on mold, and this base at least uses three pieces of magnetic chucks to fix; And using the bottom surface of mold as reference field.
Further, in described step S3, the method for elements are contained comprises: adopt conventional point to measure, namely the motion vector direction of gauge head is consistent with measuring staff; Or adopt the measurement of Pull-hit point, namely adopt spot speed and be less than 1deg/sec, the stretching of gauge head, contracting motion vector direction are consistent.
Further, the method for work coordinate system is set up in described step S3, namely
Adopt 3-2-1 method, slightly build respectively, essence builds twice coordinate system, wherein
Slightly build coordinate system, namely measuring effect with face, line, point patterns, and coordinate system correction is built to essence, namely build in the front and back process of coordinate system in essence, building coordinate system precision in the mode correction of slightly building measuring point in coordinate system three reference fields respectively by adopting.
Further, in described step S4, the method for the measurement of mold pass keyboard comprises:
Set up the 3D digital-to-analogue of this mold, the respective point of mold being closed in the real-time measurement values of each point of keyboard and 3D digital-to-analogue compares, namely close point coordinate in keyboard by order, evenly gathering mold, and with the comparison of 3D digital-to-analogue, to obtain the machining deviation value that keyboard is closed in this bent mold.
Another aspect, present invention also offers a kind of injection mold measuring system, comprising:
Gauge head demarcating module, elements are contained module, work coordinate system set up module, and the crucial planar survey module of mold.
Further, described gauge head demarcating module comprises: ball-type gauge head and standard ball, and is horizontally rotated by standard ball, and measures 9 calibration points respectively to four horizontal directions, to obtain 36 calibration data, realizes gauge head Fast Calibration.
Further, described elements are contained module is suitable for adopting conventional point to measure, and namely the motion vector direction of gauge head is consistent with measuring staff, or the measurement of employing Pull-hit point, and namely adopting spot speed is less than 1deg/sec, and the stretching of gauge head, contracting motion vector direction are consistent; And described work coordinate system is set up module and is suitable for adopting 3-2-1 method, slightly build respectively, essence builds twice coordinate system, wherein slightly build coordinate system, namely effect is measured with face, line, point patterns, and coordinate system correction is built to essence, namely building in the front and back process of coordinate system in essence, building coordinate system precision in the mode correction of slightly building measuring point in coordinate system three reference fields respectively by adopting.
Further, the crucial planar survey module of described mold, namely the 3D digital-to-analogue of this mold is set up, the respective point of mold being closed in the real-time measurement values of each point of keyboard and 3D digital-to-analogue compares, namely by order, evenly gathering the point coordinate in the keyboard of mold pass, and with the comparison of 3D digital-to-analogue, to obtain the machining deviation value that keyboard is closed in this bent mold.
The invention has the beneficial effects as follows, injection mold measuring method based on ROMER joint arm measuring machine of the present invention and system can make the heavy parts such as injection mould obtain Site Detection, guarantee its machining precision, foundation is provided for repairing a die further, finally improve the reliability of die trial, obtain qualified plastic product.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the present invention is further described.
Fig. 1 is the method flow diagram of injection mold measuring method of the present invention;
Fig. 2 is injection mold measuring system structural representation of the present invention.
In figure: gauge head 1, mold 2, forming surface 201, die joint 202, joint arm 3, base 301, magnetic chuck 302.
Embodiment
In conjunction with the accompanying drawings, the present invention is further detailed explanation.These accompanying drawings are the schematic diagram of simplification, only basic structure of the present invention are described in a schematic way, and therefore it only shows the formation relevant with the present invention.
ROMER is absolute joint arm comparatively advanced in recent years, and its great advantage uses absolute encoder, and start shooting without the need to scrambler zero, connecting computer can use.Coordinate origin is fixed on support center, fix according to tested mould structure and size reasonable, import injection mould 3D digital-to-analogue, according to design basis, 3-2-1 method establishment is adopted to play the work coordinate system of unifying datum, freely for the data acquisition that die joint, forming surface and locating surface carry out a little, and discrepancy report can be obtained fast.The measuring accuracy of joint arm 3 can reach 0.03mm, and the precision 0.1 ~ 0.2mm scope for injection mold can meet measurement requirement completely.
Embodiment 1
As shown in Figure 1, the present embodiment 1 provides a kind of injection mold measuring method, comprises the steps:
Step S1, gauge head 1 is demarcated;
Step S2, mold 2 is placed and is fixed with joint arm 3;
Step S3, elements are contained with set up work coordinate system; And
Step S4, closes keyboard to mold 2 and measures.
Optionally, the method that in described step S1, gauge head 1 is demarcated comprises: described gauge head 1 adopts ball-type gauge head, and is horizontally rotated by standard ball, and measures 9 calibration points respectively to four horizontal directions, to obtain 36 calibration data, realizes gauge head 1 Fast Calibration.Concrete, described ball-type gauge head such as adopts diameter 3mm ball-type gauge head, and the diameter of described standard ball is 25.4mm.
The method that in described step S2, mold 2 is placed and joint arm 3 is fixing comprises: the side base 301 of joint arm 3 being fixed on mold 2, and this base 301 at least uses three pieces of magnetic chucks 302 to fix; And using the bottom surface of mold 2 as reference field.
In described step S3, the method for elements are contained comprises: adopt conventional point to measure, namely the motion vector direction of gauge head 1 is consistent with measuring staff; Or adopt the measurement of Pull-hit point, namely adopt spot speed and be less than 1deg/sec, the stretching of gauge head 1, contracting motion vector direction are consistent.
The method of work coordinate system is set up in described step S3, namely 3-2-1 method is adopted, slightly build respectively, essence builds twice coordinate system, wherein slightly build coordinate system, namely effect is measured with face, line, point patterns, and coordinate system correction is built to essence, namely building in the front and back process of coordinate system in essence, building coordinate system precision in the mode correction of slightly building measuring point in coordinate system three reference fields respectively by adopting.
Concrete, close to mold 2 method that keyboard measures in described step S4 to comprise: the 3D digital-to-analogue setting up this mold 2, the respective point of mold 2 being closed in the real-time measurement values of each point of keyboard and 3D digital-to-analogue compares, namely the point coordinate in keyboard is closed by orderly, even collection mold 2, and with the comparison of 3D digital-to-analogue, to obtain the machining deviation value that keyboard is closed in this bent mold 2.
Wherein, the described crucial face of mold 2 comprises: forming surface 201, die joint 202, and it is generally all containing curved surface.
And described machining deviation value can be exported by report form.
Embodiment 2
On embodiment 1 basis, the present embodiment 2 additionally provides a kind of injection mold measuring system, comprising:
Gauge head demarcating module, elements are contained module, work coordinate system set up module, and the crucial planar survey module of mold 2.
Described gauge head demarcating module comprises: ball-type gauge head and standard ball, and is horizontally rotated by standard ball, and measures 9 calibration points respectively to four horizontal directions, to obtain 36 calibration data, realizes gauge head 1 Fast Calibration.Concrete, described ball-type gauge head such as adopts diameter 3mm ball-type gauge head, and the diameter of described standard ball is 25.4mm.
Described elements are contained module is suitable for adopting conventional point to measure, and namely the motion vector direction of gauge head 1 is consistent with measuring staff, or the measurement of employing Pull-hit point, and namely adopting spot speed is less than 1deg/sec, and the stretching of gauge head 1, contracting motion vector direction are consistent; And described work coordinate system is set up module and is suitable for adopting 3-2-1 method, slightly build respectively, essence builds twice coordinate system, wherein slightly build coordinate system, namely effect is measured with face, line, point patterns, and coordinate system correction is built to essence, namely building in the front and back process of coordinate system in essence, building coordinate system precision in the mode correction of slightly building measuring point in coordinate system three reference fields respectively by adopting.
The crucial planar survey module of described mold 2, namely the 3D digital-to-analogue of this mold 2 is set up, the respective point of mold 2 being closed in the real-time measurement values of each point of keyboard and 3D digital-to-analogue compares, namely the point coordinate in keyboard is closed by orderly, even collection mold 2, and with the comparison of 3D digital-to-analogue, to obtain the machining deviation value that keyboard is closed in this bent mold 2.
With above-mentioned according to desirable embodiment of the present invention for enlightenment, by above-mentioned description, relevant staff in the scope not departing from this invention technological thought, can carry out various change and amendment completely.The technical scope of this invention is not limited to the content on instructions, must determine its technical scope according to right.
Claims (10)
1. an injection mold measuring method, is characterized in that, comprises the steps:
Step S1, gauge head is demarcated;
Step S2, mold placement and joint arm are fixed;
Step S3, elements are contained with set up work coordinate system; And
Step S4, the measurement of keyboard is closed in mold.
2. injection mold measuring method as claimed in claim 1, is characterized in that, the method that in described step S1, gauge head is demarcated comprises:
Described gauge head adopts ball-type gauge head, and is horizontally rotated by standard ball, and measures 9 calibration points respectively to four horizontal directions, to obtain 36 calibration data, realizes gauge head Fast Calibration.
3. injection mold measuring method as claimed in claim 2, is characterized in that, the method that in described step S2, mold placement and joint arm are fixed comprises:
The base of joint arm is fixed on the side of mold, and this base at least uses three pieces of magnetic chucks to fix; And using the bottom surface of mold as reference field.
4. injection mold measuring method as claimed in claim 3, it is characterized in that, in described step S3, the method for elements are contained comprises:
Adopt conventional point to measure, namely the motion vector direction of gauge head is consistent with measuring staff; Or adopt the measurement of Pull-hit point, namely adopt spot speed and be less than 1deg/sec, the stretching of gauge head, contracting motion vector direction are consistent.
5. injection mold measuring method as claimed in claim 4, is characterized in that, set up the method for work coordinate system, namely in described step S3
Adopt 3-2-1 method, slightly build respectively, essence builds twice coordinate system, wherein
Slightly build coordinate system, namely measuring effect with face, line, point patterns, and coordinate system correction is built to essence, namely build in the front and back process of coordinate system in essence, building coordinate system precision in the mode correction of slightly building measuring point in coordinate system three reference fields respectively by adopting.
6. injection mold measuring method as claimed in claim 5, is characterized in that, in described step S4, the method for the measurement of mold pass keyboard comprises:
Set up the 3D digital-to-analogue of this mold, the respective point of mold being closed in the real-time measurement values of each point of keyboard and 3D digital-to-analogue compares, namely close point coordinate in keyboard by order, evenly gathering mold, and with the comparison of 3D digital-to-analogue, to obtain the machining deviation value that keyboard is closed in this bent mold.
7. an injection mold measuring system, is characterized in that, comprising:
Gauge head demarcating module, elements are contained module, work coordinate system set up module, and the crucial planar survey module of mold.
8. injection mold measuring system as claimed in claim 7, it is characterized in that, described gauge head demarcating module comprises: ball-type gauge head and standard ball, and horizontally rotated by standard ball, and measure 9 calibration points respectively to four horizontal directions, to obtain 36 calibration data, realize gauge head Fast Calibration.
9. injection mold measuring system as claimed in claim 8, is characterized in that,
Described elements are contained module is suitable for adopting conventional point to measure, and namely the motion vector direction of gauge head is consistent with measuring staff, or the measurement of employing Pull-hit point, and namely adopting spot speed is less than 1deg/sec, and the stretching of gauge head, contracting motion vector direction are consistent; And
Described work coordinate system is set up module and is suitable for adopting 3-2-1 method, slightly builds respectively, essence builds twice coordinate system, wherein
Slightly build coordinate system, namely measuring effect with face, line, point patterns, and coordinate system correction is built to essence, namely build in the front and back process of coordinate system in essence, building coordinate system precision in the mode correction of slightly building measuring point in coordinate system three reference fields respectively by adopting.
10. injection mold measuring system as claimed in claim 9, it is characterized in that, the crucial planar survey module of described mold, namely the 3D digital-to-analogue of this mold is set up, the respective point of mold being closed in the real-time measurement values of each point of keyboard and 3D digital-to-analogue compares, namely close point coordinate in keyboard by order, evenly gathering mold, and with the comparison of 3D digital-to-analogue, to obtain the machining deviation value that keyboard is closed in this bent mold.
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| CN201610009480.7A CN105444709A (en) | 2016-01-07 | 2016-01-07 | Injection mold measurement method and system based on ROMER joint arm measurement machine |
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| CN201610009480.7A CN105444709A (en) | 2016-01-07 | 2016-01-07 | Injection mold measurement method and system based on ROMER joint arm measurement machine |
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Cited By (1)
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