CN106782059B - Structure and method for quickly replacing casting mold type signboard - Google Patents
Structure and method for quickly replacing casting mold type signboard Download PDFInfo
- Publication number
- CN106782059B CN106782059B CN201611263110.2A CN201611263110A CN106782059B CN 106782059 B CN106782059 B CN 106782059B CN 201611263110 A CN201611263110 A CN 201611263110A CN 106782059 B CN106782059 B CN 106782059B
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- signboard
- threaded hole
- mounting groove
- fastening screw
- conical surface
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Classifications
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F7/00—Signs, name or number plates, letters, numerals, or symbols; Panels or boards
- G09F7/02—Signs, plates, panels or boards using readily-detachable elements bearing or forming symbols
- G09F7/06—Signs, plates, panels or boards using readily-detachable elements bearing or forming symbols the elements being secured or adapted to be secured by means of pins and holes
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F7/00—Signs, name or number plates, letters, numerals, or symbols; Panels or boards
- G09F7/02—Signs, plates, panels or boards using readily-detachable elements bearing or forming symbols
- G09F7/08—Signs, plates, panels or boards using readily-detachable elements bearing or forming symbols the elements being secured or adapted to be secured by means of grooves, rails, or slits
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F7/00—Signs, name or number plates, letters, numerals, or symbols; Panels or boards
- G09F7/18—Means for attaching signs, plates, panels, or boards to a supporting structure
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/30—Computing systems specially adapted for manufacturing
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Road Signs Or Road Markings (AREA)
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Abstract
The invention discloses a structure for quickly replacing a casting mold type signboard, which comprises a mold body and a signboard detachably arranged on the mold body, wherein the mold body is provided with a mounting groove matched with the signboard, one side of the bottom of the mounting groove is provided with a first threaded hole, the side wall of the mounting groove is a first conical surface which is gradually widened and extended upwards from the bottom of the mounting groove, correspondingly, the outer side of the signboard is provided with a second conical surface which is matched with the conical degree of the first conical surface, and one end of the signboard is provided with a second threaded hole which corresponds to the position of the first threaded hole and has a diameter larger than that of the first threaded hole; the second threaded hole is internally provided with a fastening screw which penetrates through the threaded hole and is connected with the first threaded hole to lock the signboard on the die body. The invention also discloses a method for quickly replacing the model signboard of the casting die. The invention has simple structure, can quickly replace the signboard, protects the signboard and greatly reduces the production cost.
Description
Technical Field
The invention relates to the technical field of engine casting, in particular to a structure and a method for quickly replacing a casting mold type signboard.
Background
At present, in casting enterprises, an outer mold, a core box and the like are generally used, in order to reduce the cost, the enterprises generally have a condition that the mold is generally used for various types by changing the local structure, each type has a specific mark, and at the moment, a replaceable type identification plate is required to be designed on the mold. Enterprises can arrange products according to the market demands, which machine type is changed with which machine type identification plate, the machine type identification plate is changed once when the machine type is changed once, and the structure of the traditional changeable identification plate is as follows: the mounting groove (generally 5mm deep, length and width are set by the font size) is designed at a certain position of the outline mold or the core box, the periphery of the mounting groove and the periphery of the signboard are vertical planes, the signboard is screwed by using an M4 cross screw, and the structure and the replacement method have the following defects:
1. because the thread of the M4 cross screw is thinner and the screw head is smaller, the cross screw driver is easy to screw the screw because of slipping, the screw is required to be drilled out, drilling and tapping are carried out again, and the signboard is scrapped;
2. the friction force between the periphery of the signboard and the vertical surface of the mounting groove is large, the position prying is avoided, and the signboard is not always taken out;
3. because the signboard is in the core box recess, the clearance is glued by resin, the release agent etc. of psammitolite, causes the signboard to take out inadequately, just drills on the signboard and attacks the tooth and pull out it when unable taking out, perhaps directly uses the chisel to dig rotten take out, and the signboard just has scrapped like this.
And, traditional change model signboard needs more than 30 minutes, not only probably damages the signboard, and intensity of labour is big moreover, consumes time long, and is inefficiency, greatly increased manufacturing cost.
Disclosure of Invention
The technical problem to be solved by the invention is to provide the structure and the method which have the advantages of simple structure, simple and convenient operation and capability of effectively protecting the model signboard of the casting mould and rapidly replacing the signboard aiming at the defects in the prior art.
The technical scheme of the invention is as follows: the utility model provides a quick replacement casting mould model signboard's structure, includes mould body and detachable signboard of installing on the mould body, the mould body on be equipped with the mounting groove with signboard looks adaptation, be equipped with the first screw hole that extends to the inside of mould body in one side of this mounting groove bottom, the mounting groove lateral wall be from its bottom upwards widening gradually the first conical surface that extends to set up, correspondingly, the signboard outside be equipped with the second conical surface that suits with first conical surface tapering, signboard one end be equipped with the corresponding second screw hole of first screw hole position and diameter is greater than first screw hole diameter; the second threaded hole is internally provided with a fastening screw which penetrates through the threaded hole and is connected with the first threaded hole to lock the signboard on the die body.
As a further improvement, the bottom of the mounting groove is a plane which is horizontally arranged, and correspondingly, the bottom of the signboard is provided with a mounting surface which is matched with the plane.
Further, the upper part of the second threaded hole is provided with a conical countersink which is matched with the maximum diameter of the nut of the fastening screw.
Further, clearance fit is arranged between the fastening screw and the second threaded hole, and threads of the fastening screw are matched with threads of the first threaded hole.
Further, the mounting groove is a quadrangular oblique groove, and correspondingly, the signboard is a quadrangular oblique block, and the height of the signboard is equal to the depth of the mounting groove.
Further, the first threaded hole, the second threaded hole and the fastening screw are all positioned on one side of the corresponding machine model on the signboard.
Further, the taper of the first conical surface and the second conical surface is 5-20 degrees.
Further, the taper angles of the first conical surface and the second conical surface are 10 degrees.
A method for quickly replacing the type of label plate of casting mould includes such steps as providing a first and a second oblique conical surfaces for matching the installing slot on mould body with the external edge of label plate to reduce the friction force between label plate and installing slot, arranging a second screw hole on label plate with diameter greater than that of fastening screw to make the fastening screw pass through the label plate to be connected with the first screw hole on installing slot, and quickly detaching the label plate by pull screw with diameter matched with the second screw hole.
As a further improvement, the specific operating steps are as follows:
step 1, screwing out a fastening screw by using a cross screwdriver and removing the fastening screw;
step 2, a pull bolt with the diameter matched with the second threaded hole is screwed into the second threaded hole of the signboard, and at the moment, the signboard is matched with the outer edge of the mounting groove by a conical surface, so that the friction force between the signboard and the mounting groove is small, and the signboard can be easily moved out of the mounting groove of the die body;
and 3, placing the signboard corresponding to the model number into the mounting groove of the die body, and screwing the fastening screw by using a cross screwdriver to fix the signboard, so that the model signboard can be quickly replaced.
Advantageous effects
Compared with the prior art, the invention has the following advantages:
1. the invention has simple and reasonable structure, convenient manufacture and low cost, and the second threaded hole with larger diameter than the first threaded hole is arranged on the signboard for pulling the signboard, and the pulling bolt is screwed into the second threaded hole to realize quick replacement of the model signboard of the casting mould, thereby greatly reducing the labor intensity and improving the production efficiency;
2. the signboard and the mounting groove are matched by adopting a conical surface structure, so that the friction force between the signboard and the mounting groove is greatly reduced, resin, release agent and the like can be reduced from entering a gap between the signboard and the mounting groove while the signboard is convenient to replace, and the viscosity between the signboard and the mounting groove is reduced, so that the signboard is convenient to replace;
3. the signboard is matched with the mounting groove by adopting the conical surface, and can be replaced by pulling the signboard through the pulling bolt without damaging the signboard, so that the die and the signboard are effectively protected.
Drawings
FIG. 1 is a schematic cross-sectional view of the present invention in operation;
FIG. 2 is a schematic view of a partial cross-sectional structure of a mold body according to the present invention;
FIG. 3 is a schematic cross-sectional view of a signboard according to the present invention;
fig. 4 is an enlarged schematic view showing a top view of the signboard of the present invention.
Wherein: 1-mould body, 2-signboard, 3-mounting groove, 4-first screw hole, 5-first conical surface, 6-second conical surface, 7-second screw hole, 8-fastening screw, 9-installation face, 10-toper heavy groove, 11-machine model, 12-pull bolt.
Detailed Description
The invention will be further described with reference to specific embodiments in the drawings.
Referring to fig. 1-4, the structure of the quick-change casting mold type signboard comprises a mold body 1 and a signboard 2 detachably arranged on the mold body 1, wherein each signboard 2 is provided with a model number 11 corresponding to the model number, the mold body 1 is provided with a mounting groove 3 matched with the signboard 2, one end of the bottom of the mounting groove 3 is provided with a first threaded hole 4 extending towards the inside of the mold body 1, the first threaded hole 4 is perpendicular to the bottom surface of the mounting groove 3, the outer edge of the mounting groove 3 is provided with a first conical surface 5 extending upwards obliquely from the bottom of the mounting groove 3, namely the width of the bottom surface of the mounting groove 3 is smaller than the width of the top surface and forms a countersink which is large from top to bottom, correspondingly, the outer edge of the signboard 2 is provided with a second conical surface 6 extending upwards obliquely from the bottom of the signboard and corresponding to the taper of the first conical surface 5, namely the bottom surface of the signboard 2 is smaller than the width of the top surface and forms a conical surface with a large upper diameter and a small diameter, the signboard 2 is matched with the mounting groove 3, one end of the signboard 2 is provided with the first threaded hole 4, namely the threaded hole 4 is coaxial with the first threaded hole 7, namely the threaded hole 7 is different from the first threaded hole 7 and the threaded hole 4; the second threaded hole 7 is internally provided with a fastening screw 8 which penetrates through the threaded hole and is connected with the first threaded hole 4 to lock the signboard 2 on the die body 1, wherein the screw teeth of the first threaded hole 4 are connected with the fastening screw 8 by adopting screw teeth larger than M4 screws, namely, the screw head width of the fastening screw 8 is enlarged, so that a cross screwdriver is conveniently connected with the fastening screw 8, and when replacement is prevented, the cross screwdriver slips and screws the fastening screw 8. The invention has simple and reasonable structure, convenient manufacture and low cost, and the second threaded hole 7 with larger diameter than the first threaded hole 4 is arranged on the signboard 2 for pulling the signboard 2, and the pulling bolt 12 is screwed into the second threaded hole 7 to realize quick replacement of the model signboard 2 of the casting mould, thereby greatly reducing the labor intensity and improving the production efficiency; simultaneously, adopt conical surface structure cooperation between signboard 2 and the mounting groove 3, the frictional force between the two that has significantly reduced, in the time of being convenient for change signboard 2, still reducible resin, release agent etc. get into in the clearance of signboard 2 and mounting groove 3 to reduced the viscidity between signboard 2 and the mounting groove 3, do benefit to and change signboard 2, and pull signboard 2 through pull bolt 12, need not to damage signboard 2 and can change, effectively protected mould body 1 and signboard 2.
The bottom of the mounting groove 3 is a plane which is horizontally arranged, and correspondingly, the bottom of the signboard 2 is provided with a mounting surface 9 which is matched with the plane, so that the signboard 2 is tightly attached to the bottom of the mounting groove 3, and the entry of adhesives such as resin is prevented; the upper end of the second threaded hole 7 is provided with a conical countersink 10 with the maximum diameter matched with the maximum diameter of the nut of the fastening screw 8, so as to provide an installation space for the nut of the fastening screw 8 and ensure that the fastening screw 8 is kept level with the top surface of the signboard 2; the fastening screw 8 is in clearance fit with the second threaded hole 7, and the threads of the fastening screw 8 are matched with the threads of the first threaded hole 4, so that the second threaded hole 7 can be used as a through-hole of the fastening screw 8 and also can be used as a threaded connecting hole of the pull bolt 12, and a hole multipurpose function is achieved; the mounting groove 3 is a quadrangular oblique groove, and correspondingly, the signboard 2 is a quadrangular oblique block, the mounting groove 3 and the four outer sides of the signboard 2 are conical surfaces, the height of the signboard 2 is equal to the depth of the mounting groove 3, the top surface of the signboard 2 is ensured to be kept level with the top surface of the die body 1, and the use requirement of the die is met; wherein, first screw hole 4, second screw hole 7 and fastening screw 8 all are located the one side of the model number 11 that corresponds on the signboard 2, have rationally arranged the position of fastening screw 8, avoid fastening screw 8 to take place to interfere with the model number 11 of signboard 2.
In the above embodiment, the taper angles of the first taper surface 5 and the second taper surface 6 are 5 ° to 20 °, preferably, the taper angles of the first taper surface 5 and the second taper surface 6 are 10 °, so that the signboard 2 and the mounting groove 3 of the mold body 1 are tightly attached, and resin and the like are effectively prevented from entering the gap between the signboard 2 and the mounting groove 3, thereby reducing the adhesive force between the signboard 2 and the mounting groove 3, and reducing the labor intensity during replacement.
A method for quickly replacing a cast mould type signboard comprises the steps of setting an installation groove 3 on a mould body 1 and the outer edge of a signboard 2 to be an inclined first conical surface 5 and a second conical surface 6 to be matched with each other so as to reduce friction force between the signboard 2 and the installation groove 3, setting a second threaded hole 7 with a diameter larger than that of a fastening screw 8 on the signboard 2, enabling the fastening screw 8 to penetrate through the signboard 2 and be connected with the first threaded hole 4 on the installation groove 3, and then quickly disassembling and replacing the signboard 2 by using a pull bolt 12 with the diameter matched with the second threaded hole 7, wherein the specific operation steps are as follows:
step 1, screwing out the fastening screw 8 by using a cross screwdriver and removing the fastening screw;
step 2, a pull-out bolt 12 with the diameter matched with the second threaded hole 7 is screwed into the second threaded hole 7 of the signboard 2, and at the moment, the signboard 2 is matched with the outer edge of the mounting groove 3 by a conical surface, so that the friction force between the signboard 2 and the mounting groove 3 is small, and the signboard 2 can be easily moved out of the mounting groove 3 of the die body 1;
and 3, placing the signboard 2 corresponding to the model 11 into the mounting groove 3 of the die body 1, and screwing the fastening screw 8 by using a cross screwdriver to fix the signboard 2, so that the model signboard 2 can be replaced quickly.
While only the preferred embodiments of the present invention have been described above, it should be noted that modifications and improvements can be made by those skilled in the art without departing from the structure of the present invention, and these do not affect the effect of the implementation of the present invention and the utility of the patent.
Claims (9)
1. The utility model provides a quick replacement casting mould model signboard's structure, includes mould body (1) and detachable signboard (2) of installing on mould body (1), its characterized in that, mould body (1) on be equipped with mounting groove (3) of signboard (2) looks adaptation, be equipped with in one side of this mounting groove (3) bottom to the inside first screw hole (4) that extend of mould body (1), mounting groove (3) lateral wall for widening gradually upwards from its bottom and extend first conical surface (5) that set up, correspondingly, signboard (2) outside be equipped with second conical surface (6) that suits with first conical surface (5) tapering, signboard (2) one end be equipped with first screw hole (4) position correspondence and diameter is greater than first screw hole (4) diameter second screw hole (7); the second threaded hole (7) in be equipped with pass this screw hole and link to each other with first threaded hole (4) with signboard (2) locking on mould body (1) fastening screw (8), fastening screw (8) and second threaded hole (7) between be clearance fit, the screw thread of fastening screw (8) and the screw thread looks adaptation of first threaded hole (4), use pull bolt (12) of diameter and second threaded hole (7) looks adaptation to dismantle signboard (2) fast and change.
2. The structure of the rapid replacement casting mold type signboard according to claim 1, wherein the bottom of the installation groove (3) is a plane which is horizontally arranged, and correspondingly, the bottom of the signboard (2) is provided with an installation surface (9) which is matched with the plane.
3. The structure of a rapid replacement casting mold type signboard according to claim 1, wherein the second threaded hole (7) is provided with a tapered countersink (10) on the upper portion thereof, which is adapted to the maximum diameter of the nut of the fastening screw (8).
4. A structure for quickly replacing a casting mold type signboard according to any one of claims 1 to 3, wherein the installation groove (3) is a quadrangular oblique groove, and the signboard (2) is a quadrangular oblique block corresponding to the quadrangular oblique groove, and the height of the signboard (2) is equal to the depth of the installation groove (3).
5. The structure of a quick-change casting mold type signboard according to claim 4, wherein the first screw hole (4), the second screw hole (7) and the fastening screw (8) are all located at one side of the corresponding model number (11) on the signboard (2).
6. A structure for quick change casting mold type identification plate according to claim 1, wherein the taper of the first conical surface (5) and the second conical surface (6) is 5 ° to 20 °.
7. A structure for quick change casting mold type identification plate according to claim 6, wherein the taper of the first conical surface (5) and the second conical surface (6) are 10 °.
8. A method for quickly replacing a cast mould type signboard is characterized in that an installation groove (3) on a mould body (1) and the outer edge of a signboard (2) are arranged to be matched with a first conical surface (5) and a second conical surface (6) which are inclined so as to reduce friction force between the signboard (2) and the installation groove (3), a second threaded hole (7) with the diameter larger than that of a fastening screw (8) is arranged on the signboard (2) to enable the fastening screw (8) to penetrate through the signboard (2) to be connected with a first threaded hole (4) on the installation groove (3), clearance fit is arranged between the fastening screw (8) and the second threaded hole (7), threads of the fastening screw (8) are matched with threads of the first threaded hole (4), and then a pulling bolt (12) with the diameter matched with the second threaded hole (7) is used for quickly disassembling and replacing the signboard (2).
9. The method for quickly replacing a cast mold type signboard of claim 8 wherein the specific operation steps are as follows:
step 1, screwing out a fastening screw (8) by using a cross screwdriver and removing the fastening screw;
step 2, a pull bolt (12) with the diameter matched with the second threaded hole (7) is screwed into the second threaded hole (7) of the signboard (2), and at the moment, the signboard (2) is matched with the outer edge of the mounting groove (3) in a conical surface mode, friction force between the signboard (2) and the mounting groove (3) is small, and the signboard (2) can be easily moved out of the mounting groove (3) of the die body (1);
and 3, placing the signboard (2) corresponding to the model (11) into the mounting groove (3) of the die body (1), and screwing the fastening screw (8) by using a cross screwdriver to fix the signboard (2), so that the model signboard (2) can be replaced quickly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611263110.2A CN106782059B (en) | 2016-12-30 | 2016-12-30 | Structure and method for quickly replacing casting mold type signboard |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611263110.2A CN106782059B (en) | 2016-12-30 | 2016-12-30 | Structure and method for quickly replacing casting mold type signboard |
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| Publication Number | Publication Date |
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| CN106782059A CN106782059A (en) | 2017-05-31 |
| CN106782059B true CN106782059B (en) | 2023-08-01 |
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| CN201611263110.2A Active CN106782059B (en) | 2016-12-30 | 2016-12-30 | Structure and method for quickly replacing casting mold type signboard |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107225213A (en) * | 2017-07-13 | 2017-10-03 | 广西玉柴机器股份有限公司 | The magnetic-type movable type Sign Board device of cold-box and its casting method |
| CN107599134A (en) * | 2017-09-15 | 2018-01-19 | 泸州广达包装制品有限公司 | LOGO bottle die can arbitrarily be changed |
| CN109624531B (en) * | 2018-12-24 | 2020-12-22 | 乐清市天兴电器有限公司 | General shell signboard printing die |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2827911A1 (en) * | 1978-06-24 | 1980-01-03 | Utsch Kg Erich | Antitheft mounting for licence plate - has one way screws mounted on snap off threaded sleeves, with nut removal breaking shear link |
| JPH01156152A (en) * | 1987-12-04 | 1989-06-19 | Paul Varga | License plate frame assembly |
| KR20060058252A (en) * | 2004-11-25 | 2006-05-30 | 현대자동차주식회사 | Grommet for mounting license plate |
| CN101025181A (en) * | 2007-03-23 | 2007-08-29 | 成都市温江星火专利开发研究所 | Flat-top anti-theft anti-damaged screw |
| CN201053432Y (en) * | 2007-04-23 | 2008-04-30 | 成都市温江星火专利开发研究所 | Concave decorated anti-theft screw nut |
| DE102010035647A1 (en) * | 2010-08-27 | 2012-03-01 | Marquardt Gmbh & Co. Kg | Marking device for inserting into molding tool for metal-, plastic- or rubber-processing, comprises central insert detachably insertable into molding tool in direction of axis, cylindrical annular collar, and cylindrical groove |
| CN103817485A (en) * | 2014-02-28 | 2014-05-28 | 北京首钢股份有限公司 | Method for detaching fixing block of finishing mill |
| CH710891A2 (en) * | 2015-03-18 | 2016-09-30 | Rogger Stefan | Change number plate holder. |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201579832U (en) * | 2009-09-24 | 2010-09-15 | 何立峰 | Fixing device of small paper cutter countertop |
| CN104772440B (en) * | 2015-04-27 | 2018-04-20 | 乔治费歇尔汽车产品(昆山)有限公司 | A kind of easy replaceable lot number chapter of sand casting |
| CN104841882A (en) * | 2015-05-20 | 2015-08-19 | 安徽合力股份有限公司合肥铸锻厂 | Die molding identifying mechanism convenient to fast update |
| CN205406036U (en) * | 2016-03-07 | 2016-07-27 | 淀洋科技（定南）有限公司 | Modular bill -board |
| CN106042232B (en) * | 2016-07-08 | 2018-06-22 | 青岛金科模具有限公司 | The type device of replaceable imprint |
| CN206340283U (en) * | 2016-12-30 | 2017-07-18 | 广西玉柴机器股份有限公司 | A kind of structure of quick-replaceable casting mould model identification board |
-
2016
- 2016-12-30 CN CN201611263110.2A patent/CN106782059B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2827911A1 (en) * | 1978-06-24 | 1980-01-03 | Utsch Kg Erich | Antitheft mounting for licence plate - has one way screws mounted on snap off threaded sleeves, with nut removal breaking shear link |
| JPH01156152A (en) * | 1987-12-04 | 1989-06-19 | Paul Varga | License plate frame assembly |
| KR20060058252A (en) * | 2004-11-25 | 2006-05-30 | 현대자동차주식회사 | Grommet for mounting license plate |
| CN101025181A (en) * | 2007-03-23 | 2007-08-29 | 成都市温江星火专利开发研究所 | Flat-top anti-theft anti-damaged screw |
| CN201053432Y (en) * | 2007-04-23 | 2008-04-30 | 成都市温江星火专利开发研究所 | Concave decorated anti-theft screw nut |
| DE102010035647A1 (en) * | 2010-08-27 | 2012-03-01 | Marquardt Gmbh & Co. Kg | Marking device for inserting into molding tool for metal-, plastic- or rubber-processing, comprises central insert detachably insertable into molding tool in direction of axis, cylindrical annular collar, and cylindrical groove |
| CN103817485A (en) * | 2014-02-28 | 2014-05-28 | 北京首钢股份有限公司 | Method for detaching fixing block of finishing mill |
| CH710891A2 (en) * | 2015-03-18 | 2016-09-30 | Rogger Stefan | Change number plate holder. |
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|---|---|
| CN106782059A (en) | 2017-05-31 |
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