CN1204559A - Apparatus for measuring strength of mold and for pressing marks on mold - Google Patents
Apparatus for measuring strength of mold and for pressing marks on mold Download PDFInfo
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- CN1204559A CN1204559A CN 98107335 CN98107335A CN1204559A CN 1204559 A CN1204559 A CN 1204559A CN 98107335 CN98107335 CN 98107335 CN 98107335 A CN98107335 A CN 98107335A CN 1204559 A CN1204559 A CN 1204559A
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Abstract
A method for measuring the strength of a cavity surface (2a) of a mold (2) and for simultaneously pressing one or more marks (21a, 21b) in the cavity surface (2a) is disclosed. Such marks (21a, 21b) formed in a cavity surface of a mold are transferred to a cast when it is produced from the mold, and the transferred marks appearing on the surface of the cast display some information. The method includes the steps of pressing one or more marks (21a, 21b) in a cavity surface of a mold by using a press member (14) that has a pressure sensor (15), and measuring the strength of the mold (2) by detecting a reaction force by the pressure sensor (15) that acts on the press member (14) when the press member presses the mark in the cavity surface of the mold.
Description
Technical field
The present invention relates to a kind of be used to measure the mold cavity surface strength and simultaneously on mold cavity surface the compacting mark with the method and apparatus of certain information of showing mold.In the following description, term " mold cavity surface " is meant the mold inside surface in the face of mold cavity.
Prior art
Usually, in order to manage foundry goods to be made in a large number, forming the alphabetical marking on the mold cavity surface and when producing foundry goods by mold, these letters are transferred so that be presented on the outside surface of this foundry goods.Therefore, title or certain necessary information are presented on the cast(ing) surface so that the management castings production.The alphabetical marking like this is that so to take shape in mold cavity lip-deep, and promptly operating personnel removably are attached to type busbar version on the pattern, when pattern is produced mold thus these letters are printed on the above-mentioned mold.
The work that letter is releasably attached on the pattern is the thing of a trouble.In addition, make this need of work and interrupt the mold production line.This is a factor that reduces die casting throughput rate.In addition, especially because of " product liability law " that come into force in Japan in recent years, the quantity of information that castings production administrative institute needs is increasing and add different information must for each foundry goods.It is extremely low answering above-mentioned requirements and (or replacing) alphabetical efficient is installed, dismantled to each foundry goods.
The performance of the motlten metal that the quality of mold state and manufacturing foundry goods are used has greatly influenced casting quality.Therefore, in the past, with measurement mold strength such as hands and sometimes by check and write down mold strength and the relation between the foundry goods produced of mold thus in compacting mark on the mold cavity surface and mode on the foundry goods that it is transferred to, utilize such relation to improve the quality of waiting to make foundry goods by the staff then.
But, on the mold production line of high speed transfer molds, measure mold strength and must carry out once second every 0-30.When operating personnel measured mold strength with hand etc., this he (she) has been born toil on and this also makes he (she) to be difficult to accurately measure intensity.
The present invention is used to address these problems.Its purpose is to provide a kind of and is measuring mold strength under the prerequisite that does not influence the mold throughput rate effectively and suppressing on the mold cavity surface simultaneously transfer printing to the method and apparatus of foundry goods with the mark of demonstration necessary information.
Summary of the invention
In order to achieve the above object, method of the present invention be a kind of measure the mold cavity surface strength and simultaneously on mold cavity surface the compacting mark so that the method for display message.The method comprises pressure transducer is connected on the impression spare of compacting mark on the mold cavity surface and detect by pressure transducer when impressing part and acted on reacting force on the described impression spare when suppressing mark on the mold cavity surface by mold cavity surface.
In order to achieve the above object, measurement device mold cavity surface strength of the present invention and on mold cavity surface, suppress mark with expression information simultaneously.This device be included on the mold cavity surface compacting mark the described impression spare of impression spare, clamping so that this impression spare relative to mechanism that mold moves, be fixed on the impression part so that detect and act on pressure transducer that impresses the reacting force on the part and the counter that calculates the mold cavity surface strength according to the reacting force Value Data that pressure transducer records when on the mold cavity surface, suppressing mark by mold cavity surface when impressing part.
The method according to this invention and device, will being transferred on the cast(ing) surface so that show the mark of necessary information is that to take shape in mold cavity by the impression part lip-deep.When producing foundry goods with these molds, these marks are transferred on the cast(ing) surface and Transfer printing mark demonstrates such information.
In order to read required information according to the mark that is transferred on the foundry goods, information is represented by mark.For example, by on predetermined point, the hole shape mark being compressed on the lip-deep mode of mold cavity, can read the information of expression hole shape mark position or ranks.Again for example, by on the mold cavity surface, suppressing the mark of special shape, can read some information of expressive notation shape.
Thereby if the impression part suppresses the circle hole shape mark on the mold cavity surface, then impressing the part shape can be as pin or bar so that forms the circle hole shape marking on mold cavity surface.If the impression part suppresses the mark of special shape, then impress part and should have such shape.
The impression part is held mechanisms grip and fixes, and it can be moved relative to mold.When the impression part is crushed on the mold cavity surface, on mold cavity surface, formed mark.Therefore, in order on the mold cavity surface, to suppress mark, must make impression part vertical moving by clamping device.Therefore, clamping device has hoisting gear.When reading certain information according to mark position, so clamping impresses part, and promptly it can flatly and vertically move.Therefore, clamping device also has the driving mechanism that makes impression part vertical moving.
According to the present invention, pressure transducer links to each other with the impression spare on compacting mold cavity surface.When the impression part was crushed on the mold cavity surface, a reaction force acts was on the impression part.Reacting force depends on the intensity (hardness) on mold cavity surface and measures described reacting force by the pressure transducer that is fixed on the impression part.Such pressure transducer can be a force cell.The data relevant with measured value are passed to counter so that calculate the intensity on mold cavity surface.
As understanding from the above description, in the apparatus of the present invention and the method that are used for measuring mold strength and on mold, suppress mark, owing to directly on the mold cavity surface, form mark, can take shape on the mold cavity surface effectively so show the mark of information needed.In addition, because mold strength is to obtain by calculating the reacting force numerical value that is recorded by the pressure transducer that is fixed on the impression part, so can be accurately and obtain mold strength efficiently.In addition, owing to be measured intensity when on the mold cavity surface, suppressing mark, so the present invention helps to improve mold throughput rate.
In addition, owing to obtained accurate mold strength, so the foundry goods and the relation between the mold strength that make of mold can accurately be detected and note thus.Therefore, the present invention helps to improve casting quality.
Brief description
Fig. 1 is a perspective diagram that is used to measure mold strength and suppresses apparatus of the present invention embodiment of mark simultaneously on mold.
Fig. 2 represents how basis takes shape in the key diagram that the lip-deep hole shape mark of mold cavity reads information on the precalculated position.
Fig. 3 is how another expression is according to take shape in the key diagram that the lip-deep hole shape mark of mold cavity reads information on the precalculated position.
Most preferred embodiment
Now, referring to accompanying drawing preferred embodiment is described.
Fig. 1 shows apparatus of the present invention embodiment that is used to measure mold strength and suppresses mark simultaneously on mold.This device comprises a door frame 3 as pedestal, a prong shape impression part 14 that is used for compacting mark on the mold cavity surface 2a of mold 2, a hoisting gear 13 (the 3rd driven by servomotor formula cylinder) that is used for vertical drive impression part 14, the driving mechanism 4 that is used for left and right sides drive pressure printed document 14, the driving mechanism 8 of drive pressure printed document 14 before and after one, control hoisting gear 13 and driving mechanism 4 for one, 8 control panel 18, to counter 16 control panel 18 transfer instructions and that calculate mold strength according to the measured value of force cell (following will describe this force cell).Fore-and-aft direction be meant forward and backward transfer molds 2 direction and left and right directions is meant the horizontal direction perpendicular to fore-and-aft direction.
Opening upper frame part 3a and four supporting leg 3b of having a rectangle as the door frame 3 of pedestal.Upper frame part 3a is made of the horizon bar 3d that extend horizon bar 3c that extends about a pair of and a pair of front and back.Pair of guide rails 5 is installed on horizon bar 3c.Door frame 3 be arranged on the moulding machine (not shown) near, thereby manyly all be contained in mold 2 in the sandbox 1 and that all from moulding machine, export and travel forward for 3 times at door frame.
A balladeur train 6 is installed on the pair of guide rails 5 of door frame 3, makes this balladeur train move left and right.The bar 3d that the first driven by servomotor formula cylinder 7 is fixed on upper frame part 3a goes up and the distant place end of the piston rod 7b of first cylinder 7 links to each other with balladeur train 6.So when the driving mechanism work that is used for left and right sides drive pressure printed document when the first driven by servomotor formula cylinder 7 was stretched its piston rod 7b, balladeur train about 6 moved back and forth.Balladeur train 6 and the 1st driven by servomotor formula cylinder 7 constitute makes impression part left and right directions motion.
In addition, the linear guide 9 of extending before and after is installed on the balladeur train 6 and balladeur train 10 is installed on the linear guide 9, thereby balladeur train 10 can move forward and backward along linear guide 9.The second driven by servomotor formula cylinder 11 is installed on the balladeur train 6 and the distant place end of cylinder 11 piston rod 11b links to each other with balladeur train, makes starting cylinder 11 so that elongation and when bouncing back its piston rod 11b, and balladeur train 10 moves forward and backward.Linear guide 9, balladeur train 10 and the second driven by servomotor formula cylinder 11 have constituted the driving mechanism that is used for front and back drive pressure printed document 14 together.
Hoisting gear 13 (the 3rd driven by servomotor formula cylinder) is installed on the balladeur train 10.Force cell 15 as pressure transducer is fixed on the end of piston rod 13b of hoisting gear 13 and impression part 14 is fixed in the detection portion of force cell 15.When impression part 14 was suppressed mark on mold cavity surface 2a, force cell 15 was surveyed by mold cavity surface 2a and is acted on the reacting force that impresses on the part 14.
The impression spare 14 of compacting mark can vertical moving and make this impress part by hoisting gear 13 clampings on the 2a of mold 2 patterns surface.By front and back driving mechanism 8 impression part 14 and hoisting gear 13 are moved forward and backward.Make impression part 14, hoisting gear 13 and front and back driving mechanism 8 move left and right together by left and right sides driving mechanism 4. Driving mechanism 4,8 has constituted as clamping impression part 14 with hoisting gear 13 and has made its clamping device relative to the mechanism that mold moves.
When device starts, make the mold 2 that is contained in respectively in the sandbox 1 shift to described device discontinuously, and when a mold is positioned at impression spare shown in Figure 1 14 belows, interrupt the forward travel of mold from the moulding machine (not shown).Then, handle control panel 18 so that start driving mechanism 4,8 and hoisting gear 13 according to counter 16.Promptly, make impression part 14, hoisting gear 13 and front and back driving mechanism 8 move left and right together by piston rod 7b elongation and the retraction that makes the first driven by servomotor formula cylinder 7, impression part 14 and hoisting gear 13 are moved forward and backward together by piston rod 11b elongation and the retraction that makes the second driven by servomotor formula cylinder 11.Impression part 14 is located at the top of the mark moulding point on the mold cavity surface 2a.
Then, reduce the piston rod 13b of hoisting gear 13 (the 3rd driven by servomotor formula cylinder), till impression part 14 penetrates mold cavity surface 2a with certain depth, make mold 2 mold cavity surface 2a on the position that forms hole shape point or mark, permanent strain take place.In order on mold, to demonstrate necessary information, can be by the perforation repeatedly on mold cavity surface 2a of impression part 14.When the impression part was pressed on the mold cavity surface 2a, the impression part had been subjected to from mold cavity surface and reacting force that equal surface strength (hardness).Detect this reacting force by force cell 15.The reacting force value that is recorded by force cell 15 is transferred to counter 16 as the data relevant with power, and counter 16 then goes out the intensity of mold cavity surface 2a according to described data computation.
After mark being stamped on the mold cavity surface, make this mold and other mold of exporting moves ahead once again and handle next mold by impression part 14 from moulding machine.
Although impression part 14 becomes needle-like in the above-described embodiments, it can have the small pinhead that an xsect is star or other shape, and described syringe needle is represented some information.
Though from above-mentioned explanation, be appreciated that in one or more predetermined plastic yield on pattern surface to form one or more marks apace, still can maintenance mold cavity surface strength.
When the pattern that uses this band embossed marks was produced foundry goods, these marks just were transferred on the cast(ing) surface.
According to Fig. 2 an example is described now.In this embodiment, the hole shape mark takes shape on the mold cavity surface and can be read the information of representative by mark.On the mold cavity surface, form the first mark 21a by impression part 14.The position of the first mark 21a (point) is positioned on the great circle 20a that an imagination of being represented by broken circle goes out.The second mark 21b also takes shape on the mold cavity surface.The position of the second mark 21b (point) is positioned on the little concentric ring 20b who is represented by broken circle.If think that the center of two imaginary circle and the line between the second mark 21b are the hour hands of table, think that the line between the center of the first mark 21a and these two circles is a minute hand, then mark 21a, 21b demonstrate time 3:04 on this timing part.For example, can be according to this information Recognition information 34.
In Fig. 3, represented another example.Mold that shows the form 24 that resembles the baseball match scoring board is fixed on the surface of a pattern and this mold is made by described pattern.So mold has the form 24 anti-forms that are printed as according to described pattern on its mold cavity surface.On position shown in Figure 3, many marks (for example, three starlike marks as shown in the figure) in the form on mold cavity surface, have been formed by impression part 14.Just read the information of Samsung and digital 109 representatives according to these marks.
The foregoing description is exemplary, and scope of the present invention is not limited to the foregoing description.Obviously, for a person skilled in the art, can under the prerequisite that does not exceed following claims scope, carry out various modifications to embodiment.
Claims (2)
1. one kind is used to measure the mold cavity surface strength and suppresses the method that one or more represents the mark of certain information simultaneously on mold cavity surface, and it may further comprise the steps:
The impression spare that utilization has pressure transducer suppresses mark on the mold cavity surface; And,
Measure mold strength by detect the reacting force that when this impression spare is suppressed described mark on the mold cavity surface, acts on the described impression spare by described pressure transducer.
2. one kind is used to measure the mold cavity surface strength and suppresses the device that one or more represents the mark of certain information simultaneously on mold cavity surface, and it comprises:
The impression spare that is used for compacting mark on the mold cavity surface;
Be used for the described impression spare of clamping so that this impression spare relative to mechanism that mold moves;
Be fixed on the described impression spare so that detect the pressure transducer that when this impression spare is suppressed described mark on the mold cavity surface, acts on the reacting force on the described impression spare;
Calculate the counter of mold cavity surface strength according to the described reacting force Value Data that records by described pressure transducer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 98107335 CN1204559A (en) | 1997-04-24 | 1998-04-24 | Apparatus for measuring strength of mold and for pressing marks on mold |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP107153/97 | 1997-04-24 | ||
| CN 98107335 CN1204559A (en) | 1997-04-24 | 1998-04-24 | Apparatus for measuring strength of mold and for pressing marks on mold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1204559A true CN1204559A (en) | 1999-01-13 |
Family
ID=5219343
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 98107335 Pending CN1204559A (en) | 1997-04-24 | 1998-04-24 | Apparatus for measuring strength of mold and for pressing marks on mold |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1204559A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107249783B (en) * | 2015-02-18 | 2018-10-19 | 尼玛克股份有限公司 | Method for marking casting |
| CN109668662A (en) * | 2017-10-16 | 2019-04-23 | 基斯特勒控股公司 | For intermetallic composite coating or the pressure sensor of plastic processing tool |
| CN112334248A (en) * | 2018-06-15 | 2021-02-05 | 新东工业株式会社 | Mold forming apparatus and method for controlling mold forming apparatus |
| WO2021035480A1 (en) * | 2019-08-26 | 2021-03-04 | 苏州明志科技股份有限公司 | Sand core strength testing device, and method for same |
-
1998
- 1998-04-24 CN CN 98107335 patent/CN1204559A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107249783B (en) * | 2015-02-18 | 2018-10-19 | 尼玛克股份有限公司 | Method for marking casting |
| CN109668662A (en) * | 2017-10-16 | 2019-04-23 | 基斯特勒控股公司 | For intermetallic composite coating or the pressure sensor of plastic processing tool |
| US10987843B2 (en) | 2017-10-16 | 2021-04-27 | Kistler Holding Ag | Pressure sensor for a metal or plastics processing tool |
| CN112334248A (en) * | 2018-06-15 | 2021-02-05 | 新东工业株式会社 | Mold forming apparatus and method for controlling mold forming apparatus |
| WO2021035480A1 (en) * | 2019-08-26 | 2021-03-04 | 苏州明志科技股份有限公司 | Sand core strength testing device, and method for same |
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