CN2835987Y - Tensile mechanism for bidirectional tensile testing machine - Google Patents
Tensile mechanism for bidirectional tensile testing machine Download PDFInfo
- Publication number
- CN2835987Y CN2835987Y CN 200520067081 CN200520067081U CN2835987Y CN 2835987 Y CN2835987 Y CN 2835987Y CN 200520067081 CN200520067081 CN 200520067081 CN 200520067081 U CN200520067081 U CN 200520067081U CN 2835987 Y CN2835987 Y CN 2835987Y
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- anchor clamps
- guide rail
- guide rails
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- pair
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Abstract
The utility model relates to a stretching mechanism for a bidirectional stretching testing machine, which two pairs of guide rails and a driving assembly of the guide rails, four groups of clamping devices and a driving assembly of the clamping devices, wherein two guide rails of each pair of guide rails are mutually parallel. A pair of guide rails and the other pair of guide rails are mutually perpendicular and staggered, and bidirectional slide blocks are arranged at the staggered points of every two guide rails which are mutually perpendicular and staggered. A plurality of slide blocks are arranged on each guide rail, and clamping devices are respectively and fixedly installed on each slide block. A clamping device driving assembly is composed of connecting rods which are hinged in sequence, and long bar-shaped grooves which are perpendicular to the guide rails are arranged on the two bidirectional slide blocks which are arranged on the guide rails on which the clamping devices are arranged. Both ends of the clamping device driving assembly are positioned in the corresponding long bar-shaped grooves, and a pin which is hinged with the inner side of the clamping device driving assembly is fixed on a corresponding sliding block or a corresponding clamping device. The utility model has the advantages of simple structure and reliable operation. When the utility model is matched with other mechanisms, the utility model can accurately complete the stretching operation of diaphragms with different multiples. Then, plastic thick diaphragms are stretched to be thin diaphragms with uniform thickness.
Description
Technical field
The utility model relates to the used equipment of plastic tensile moulding, specifically, relates to the biaxial tensile test machine that plastics thick film sheet can be drawn into film, more particularly, relates to the drawing mechanism of this biaxial tensile test machine.
Background technology
Along with constant development of economy, all types of plastic thin-film sheet is developed success and is widely used in every field, as the packing of food, cigarette, wine, cosmetics, audio-visual product etc.When developing new plastic film chip section product, must check composition of raw materials whether accurate, traditional online test manufacture mode, be equipped with raw material according to the new raw material prescription, utilize the film production device fabrication to go out film again, whether whether the physical property of testing film, mechanical property etc. meet the requirements then, accurate with the check composition of raw materials.Because online test manufacture all needs a large amount of raw materials at every turn, and online test manufacture will be carried out repeatedly usually, all raw materials all will be wasted when prescription is inaccurate, cause enormous economic loss, therefore the new product development cost is high, this all is no small financial burden concerning most of manufacturers and research and development institution, has seriously restricted the update of product or the raising of quality, thereby has weakened the market competitiveness.
At present existing thin-film sheet manufacturer and research and development institution adopt testing machine to test, be equipped with a small amount of raw material according to the new raw material prescription, make the thick film sheet, then on testing machine, the thick film sheet is drawn into film, whether whether the physical property of testing film, mechanical property etc. meet the requirements then, accurate with the check composition of raw materials.This method can be saved a large amount of raw materials, reduces cost of development, thereby provides very favorable condition for thin-film sheet manufacturer and research and development institution develop new product and improve existing product.Drawing mechanism is one of key component in the testing machine, and the quality (as degree of uniformity and thickness etc.) of the film that being directly connected to stretches obtains that is to say that can drawing mechanism have influence on testing machine desirable test film is provided.The part that comes with some shortcomings on the drawing mechanism structure of existing testing machine, the test that testing machine is made is still undesirable with film quality.
Summary of the invention
The purpose of this utility model provides a kind of drawing mechanism of biaxial tensile test machine, makes the biaxial tensile test machine plastics thick film sheet can be drawn into the film that meets test request.The technical scheme that adopts is as follows:
A kind of drawing mechanism of biaxial tensile test machine comprises two pairs of guide rails and driven unit thereof, four groups of anchor clamps and driven unit thereof, it is characterized in that:
Two guide rails in the every pair of guide rail are parallel to each other, pair of guide rails and another are to the mutual vertical interlaced of guide rail, the staggered place of the guide rail of per two mutual vertical interlaceds is provided with a two-way slide block, be equipped with two guide grooves on each bidirectional slider, two guide grooves are vertical mutually, and bidirectional slider is connected with two guide rails of described vertical interlaced respectively by two guide grooves and is slidingly matched; Also be equipped with two rectangular grooves on each bidirectional slider, two rectangular grooves, two guide rails with described vertical interlaced respectively are vertical mutually;
The guide rail driven unit of every pair of guide rail comprises a pair of reverse-flighted screw, with two a pair of reverse-flighted screws all with vertical mutually this two ends that also are in respectively of corresponding pair of guide rails to guide rail, described guide rail all fixedly mounts a nut respectively at two ends, nut is threaded with corresponding reverse-flighted screw respectively, and reverse-flighted screw and propulsion system are in transmission connection;
Be equipped with a plurality of slide blocks on the every guide rail, be equipped with chute on each slide block, slide block is connected with guide rail by chute and is slidingly matched, and slide block all is between two bidirectional sliders; Respectively fixedly mount anchor clamps on each slide block, the anchor clamps of being located on the same guide rail are one group;
Every group of each free anchor clamps driven unit of anchor clamps drives, the anchor clamps driven unit is made up of hinged successively connecting rod, in the described connecting rod, being in all middle length of connecting rods of anchor clamps driven unit equates, and per two connecting rods middle part is hinged, it is right to form " X " shape connecting rod, and " X " shape connecting rod is hinged to two ends of an adjacent side with adjacent " X " shape connecting rod respectively to two ends of the same side, and each " X " shape connecting rod is to connecting successively; Be equipped with the rectangular groove vertical on two bidirectional sliders on this group anchor clamps place guide rail with guide rail, respectively there is the hinged connecting rod of two radicles at the two ends of anchor clamps driven unit, its hinge point is in the corresponding rectangular groove (usually pin being placed rectangular groove), the other end of these two connecting rods respectively with adjacent " X " shape connecting rod to (" X " shape connecting rod of promptly the most close anchor clamps driven unit end to) two ends are hinged in addition; In the anchor clamps driven unit, inboard hinge quantity is identical with anchor clamps, and its pin is fixed on the corresponding slide block or anchor clamps.
Described two pairs of equal advantageous cross sections of guide rail are shaped as the guide rail of rectangle, help steadily moving of anchor clamps like this, and the thick film sheet is drawn into superior in quality film sample.
Described reverse-flighted screw is formed by two sections of equal in length usually, two sections hand of spiral is opposite, when reverse-flighted screw rotates with its two nuts that are threaded (two nuts are threaded with two sections of reverse-flighted screw respectively) along the reverse-flighted screw work relative to or opposing to moving, thereby realize a pair of reverse-flighted screw drive corresponding pair of guide rails relative to or opposing to moving.The a pair of reverse-flighted screw that the drives pair of guide rails same propulsion system that are in transmission connection are guaranteed two reverse-flighted screw run-in synchronisms, realize steadily moving of guide rail.
The preferred air-actuated jaw of described anchor clamps, all air-actuated jaws are controlled by same compressed air source, keep strokes.The plastics thick film sheet that is generally used for stretching is a rectangle, and is especially foursquare, can not run into bidirectional slider when plastics thick film sheet is installed, and generally anchor clamps is installed on the guide rail inboard.
In the above-mentioned anchor clamps driven unit, half of the length of the connecting rod of the length of the connecting rod at two ends in the middle of being helps the fully flexible of anchor clamps driven unit like this, thereby guarantees the draw ratio of thick film sheet, and can make drawing mechanism adapt to the less thick film sheet of area.
In order to reduce the pressure of guide rail to reverse-flighted screw, make the reverse-flighted screw running more freely, reduce the wearing and tearing of reverse-flighted screw and nut, guarantee the precision of drawing mechanism, prolong the serviceable life of drawing mechanism, a side of every reverse-flighted screw be equipped with one with the reverse-flighted screw parallel guide rod, and all be fixed with two sliding sleeves or linear bearing on the orthogonal pair of guide rails of guide rod, described sliding sleeve or linear bearing are respectively with corresponding guide rod socket and do to slide or roll and cooperate.This guide rod has four, is divided into two pairs, and is vertical mutually with corresponding pair of guide rails respectively, and every guide rail is provided with two sliding sleeves or linear bearing.
The utility model is simple in structure, reliable, under the cooperation of other mechanism of testing machine, can accurately finish the diaphragm stretched operation of different multiples, plastics thick film sheet is drawn into the uniform film of thickness, for film performance test provides superior in quality sample, guarantee the accuracy of testing, for new plastic thin-film sheet Products Development provides great help.
Description of drawings
Accompanying drawing is the structural representation of the utility model one preferred embodiment.
Embodiment
As shown in drawings, the drawing mechanism of biaxial tensile test machine comprises two pairs of guide rails 1 and driven unit thereof, four groups of anchor clamps 2 and driven unit thereof, wherein:
Two guide rails 1 in the every pair of guide rail 1 are parallel to each other, the shape of cross section of guide rail 1 is rectangle, pair of guide rails 1 and another are to guide rail 1 mutual vertical interlaced, the staggered place of the guide rail 1 of per two mutual vertical interlaceds is provided with a two-way slide block 3, be equipped with two guide grooves on each bidirectional slider 3, two guide grooves are vertical mutually, and bidirectional slider 3 is connected with two guide rails 1 of described vertical interlaced respectively by two guide grooves and is slidingly matched; Two guide rails 1 with described vertical interlaced are vertical mutually respectively also to be equipped with two rectangular groove 4, two rectangular grooves 4 on each bidirectional slider 3;
The guide rail driven unit of every pair of guide rail 1 comprises a pair of reverse-flighted screw 5, and every reverse-flighted screw 5 all is divided into two sections of equal in length, and two sections hand of spiral is opposite; With two a pair of reverse-flighted screws 5 all with vertical mutually this two ends that also are in respectively of corresponding pair of guide rails 1 to guide rail 1, described guide rail 1 all fixedly mounts a nut 6 respectively at two ends, nut 6 is threaded with corresponding reverse-flighted screw 5 respectively, is connected with same electric-motor drive with two a pair of reverse-flighted screws 5; This drawing mechanism is provided with two such motor, and each self-driven a pair of reverse-flighted screw 5 rotates, and controls the stretching in one direction of thick film sheet respectively; Two nuts 6 on the same reverse-flighted screw 5 are threaded with two sections of reverse-flighted screw 5 respectively, when reverse-flighted screw 5 rotates with its two nuts 6 that are threaded along reverse-flighted screw 5 works relative to or opposing to moving;
Be equipped with a plurality of slide blocks 7 (being equipped with seven slide blocks 7 on every guide rail 1 in this preferred embodiment) on the every guide rail 1, be equipped with chute on each slide block 7, slide block 7 is connected with guide rail 1 by chute and is slidingly matched, and slide block 7 all is between two bidirectional sliders 3; Respectively fixedly mount anchor clamps 2 on each slide block 7, anchor clamps 2 are installed on guide rail 1 inboard, and the anchor clamps of being located on the same guide rail 12 are one group; Anchor clamps 2 are selected air-actuated jaw for use, and all air-actuated jaws 2 are controlled by same compressed air source, keep strokes, and anchor clamps 2 also can adopt the anchor clamps of existing other structure;
Every group of anchor clamps 2 each free anchor clamps driven unit drive, the anchor clamps driven unit is made up of hinged successively connecting rod 8, in the described connecting rod 8, be in all middle connecting rod 81 equal in length of anchor clamps driven unit, and per two connecting rod 81 middle parts are hinged, form " X " shape connecting rod to 82, " X " shape connecting rod is hinged to two ends of 82 adjacent sides with adjacent " X " shape connecting rod respectively to two ends of 82 the same sides, and each " X " shape connecting rod connects successively to 82; Be equipped with the rectangular groove 4 vertical on two bidirectional sliders 3 on this group anchor clamps place guide rail 1 with this guide rail 1, respectively there is the hinged connecting rod of two radicles 83 at the two ends of anchor clamps driven unit, its hinge point will be in the corresponding rectangular groove 4 (will sell 9 usually and place rectangular groove 4), the other end of these two connecting rods 83 respectively with adjacent " X " shape connecting rod to 82 (" X " shape connecting rod of promptly the most close anchor clamps driven unit end is to 82) two ends are hinged in addition, half of the length of the connecting rod 81 of the length of the connecting rod 83 at the two ends of anchor clamps driven unit in the middle of being; In the anchor clamps driven unit, inboard hinge quantity is identical with anchor clamps 2, and its pin 10 is fixed on the corresponding slide block 7; Because the two ends of anchor clamps driven unit are in the above-mentioned rectangular groove 4, therefore when the anchor clamps driven unit is flexible, the two ends of anchor clamps driven unit can be moved in rectangular groove 4, make bidirectional slider 3 both drive the anchor clamps driven unit by the motion that can not hinder the anchor clamps driven unit;
A side of every reverse-flighted screw 5 be equipped with one with reverse-flighted screw 5 parallel guide rod 11, and all be fixed with two linear bearings 12 on the guide rod 11 orthogonal pair of guide rails 1, linear bearing 12 is respectively with corresponding guide rod 11 sockets and do to roll and cooperate.This guide rod 11 has four, is divided into two pairs, and vertical mutually with corresponding pair of guide rails 1 respectively, every guide rail 1 is provided with two such linear bearings 12.Above-mentioned linear bearing 12 also can adopt sliding sleeve to replace, and sliding sleeve and guide rod 11 sockets also are slidingly matched.
During use, to be installed on the drawing mechanism by suitable rectangle (being preferably square) plastics thick film sheet by the thickness that new prescription is made, just rectangular plastic thick film sheet is placed between four groups of anchor clamps 2, and makes four groups of anchor clamps 2 edge, four limits of clamp rectangular plastics thick film sheet respectively; Under the control of testing machine control system, testing machine is heated to suitable temperature with plastics thick film sheet; Energising makes motor operation then, and wherein a pair of reverse-flighted screw 5 of a motor drives correspondence rotates, make with reverse-flighted screw 5 orthogonal pair of guide rails 1 on nut 6 with respect to reverse-flighted screw 5 motions, this is opposing to translation to guide rail 1 thereby drive; This drives four bidirectional sliders 3 to translation of guide rail 1 and makes corresponding mobile at another on to guide rail 1, and drive described another anchor clamps driven unit on guide rail 1 is extended, thereby corresponding two groups of anchor clamps 2 are moved on to guide rail 1 at above-mentioned another, and the distance between the anchor clamps 2 increases gradually, and remain anchor clamps 2 and evenly arrange, finish the stretching of thick film sheet on a direction.Equally, the running of another motor can make the thick film sheet be stretched on other direction.The cooperation of two motor can be drawn into the thick film sheet film of reservation shape and size.
After finishing stretching, make the film cooling, take off film then, be used for test; Make the motor antiport then, thereby the anchor clamps driven unit is shunk, drawing mechanism resets.
This drawing mechanism also is fit to plastics thick film sheet is carried out unilateral stretching, when need during to the unilateral stretching of thick film sheet, the thick film sheet is installed and, is only started a corresponding motor after the heating of thick film sheet, drawing process and above-mentioned during to the two-way stretch of thick film sheet the drawing process on one direction similar.
Claims (8)
1. the drawing mechanism of a biaxial tensile test machine comprises two pairs of guide rails and driven unit thereof, four groups of anchor clamps and driven unit thereof, it is characterized in that:
Two guide rails in the every pair of guide rail are parallel to each other, pair of guide rails and another are to the mutual vertical interlaced of guide rail, the staggered place of the guide rail of per two mutual vertical interlaceds is provided with a two-way slide block, be equipped with two guide grooves on each bidirectional slider, two guide grooves are vertical mutually, and bidirectional slider is connected with two guide rails of described vertical interlaced respectively by two guide grooves and is slidingly matched; Also be equipped with two rectangular grooves on each bidirectional slider, two rectangular grooves, two guide rails with described vertical interlaced respectively are vertical mutually;
The guide rail driven unit of every pair of guide rail comprises a pair of reverse-flighted screw, with two a pair of reverse-flighted screws all with vertical mutually this two ends that also are in respectively of corresponding pair of guide rails to guide rail, described guide rail all fixedly mounts a nut respectively at two ends, nut is threaded with corresponding reverse-flighted screw respectively, and reverse-flighted screw and propulsion system are in transmission connection;
Be equipped with a plurality of slide blocks on the every guide rail, be equipped with chute on each slide block, slide block is connected with guide rail by chute and is slidingly matched, and slide block all is between two bidirectional sliders; Respectively fixedly mount anchor clamps on each slide block, the anchor clamps of being located on the same guide rail are one group;
Every group of each free anchor clamps driven unit of anchor clamps drives, the anchor clamps driven unit is made up of hinged successively connecting rod, in the described connecting rod, being in all middle length of connecting rods of anchor clamps driven unit equates, and per two connecting rods middle part is hinged, it is right to form " X " shape connecting rod, and " X " shape connecting rod is hinged to two ends of an adjacent side with adjacent " X " shape connecting rod respectively to two ends of the same side, and each " X " shape connecting rod is to connecting successively; Be equipped with the rectangular groove vertical on two bidirectional sliders on this group anchor clamps place guide rail with guide rail, respectively there is the hinged connecting rod of two radicles at the two ends of anchor clamps driven unit, its hinge point is in the corresponding rectangular groove, the other end of these two connecting rods respectively with adjacent " X " shape connecting rod right two ends are hinged in addition; In the anchor clamps driven unit, inboard hinge quantity is identical with anchor clamps, and its pin is fixed on the corresponding slide block or anchor clamps.
2. the drawing mechanism of biaxial tensile test machine according to claim 1 is characterized in that: described two pairs of guide rails are the guide rail that shape of cross section is a rectangle.
3. the drawing mechanism of biaxial tensile test machine according to claim 1 is characterized in that: described reverse-flighted screw is made up of two sections of equal in length, and two sections hand of spiral is opposite.
4. the drawing mechanism of biaxial tensile test machine according to claim 1 is characterized in that: a pair of reverse-flighted screw that the drives pair of guide rails same propulsion system that are in transmission connection.
5. the drawing mechanism of biaxial tensile test machine according to claim 1 is characterized in that: described anchor clamps are air-actuated jaw.
6. the drawing mechanism of biaxial tensile test machine according to claim 1 is characterized in that: described anchor clamps are installed on the guide rail inboard.
7. the drawing mechanism of biaxial tensile test machine according to claim 1 is characterized in that: in the described anchor clamps driven unit, and half of the length of the connecting rod of the length of the connecting rod at two ends in the middle of being.
8. according to the drawing mechanism of each described biaxial tensile test machine of claim 1～7, it is characterized in that: the side at every reverse-flighted screw is equipped with one and reverse-flighted screw parallel guide rod, with all be fixed with two sliding sleeves or linear bearing on the orthogonal pair of guide rails of guide rod, described sliding sleeve or linear bearing are respectively with corresponding guide rod socket and do to slide or roll and cooperate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520067081 CN2835987Y (en) | 2005-11-15 | 2005-11-15 | Tensile mechanism for bidirectional tensile testing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520067081 CN2835987Y (en) | 2005-11-15 | 2005-11-15 | Tensile mechanism for bidirectional tensile testing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2835987Y true CN2835987Y (en) | 2006-11-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520067081 Expired - Lifetime CN2835987Y (en) | 2005-11-15 | 2005-11-15 | Tensile mechanism for bidirectional tensile testing machine |
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| CN (1) | CN2835987Y (en) |
Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100545627C (en) * | 2007-05-14 | 2009-09-30 | 北京联合大学 | The universal hydraulic testing machine that the test specimen two ends are initiatively loaded |
| CN101393195B (en) * | 2008-10-22 | 2011-12-21 | 哈尔滨工业大学 | Low-temperature breaking test device by freezing for bituminous mixture |
| CN102706731A (en) * | 2012-06-14 | 2012-10-03 | 河南理工大学 | Biaxial tension test device for testing performance of sheet metal |
| CN104101492A (en) * | 2014-07-03 | 2014-10-15 | 安庆市阳光机械制造有限责任公司 | Protective cover fixing device of machine tool telescopic protective cover test machine |
| CN104132853A (en) * | 2014-08-07 | 2014-11-05 | 中国科学技术大学 | Temperature-control high-speed large-strain membrane two-way stretching device and experimental method thereof |
| CN106289966A (en) * | 2015-05-20 | 2017-01-04 | 中国石油化工股份有限公司 | A kind of Stress Transfer device for simulation experiment |
| CN106989774A (en) * | 2017-04-07 | 2017-07-28 | 芜湖市产品质量监督检验所 | A kind of auto parts and components monitor station |
| CN107725501A (en) * | 2017-11-01 | 2018-02-23 | 广州恒科技有限公司 | A kind of metal, rod-shaped gas type stretching-machine |
| CN108481720A (en) * | 2018-04-24 | 2018-09-04 | 安徽鲲鹏装备模具制造有限公司 | A kind of four sides Automatic-drawing device for automotive upholstery sheet forming |
| CN109159402A (en) * | 2018-08-31 | 2019-01-08 | 天津万华股份有限公司 | A kind of film cupping machine and stretching test method |
| CN109269883A (en) * | 2018-11-12 | 2019-01-25 | 凯尔测控试验系统（天津）有限公司 | It is biaxial stretch-formed in a kind of face to use width Self adapting fixture |
| CN110220776A (en) * | 2019-03-22 | 2019-09-10 | 兰州德科工程材料有限公司 | A kind of geotechnical grid multi-shaft stretching testing machine |
| CN111923385A (en) * | 2020-07-31 | 2020-11-13 | 西安工业大学 | Film plane stretching device with flexible pneumatic stretching |
| CN112192832A (en) * | 2020-09-21 | 2021-01-08 | 广州市普同实验分析仪器有限公司 | Film stretching device |
| CN112248419A (en) * | 2020-10-10 | 2021-01-22 | 西安工业大学 | Film plane stretching device with super large stretching ratio |
| CN112829272A (en) * | 2020-12-30 | 2021-05-25 | 陈成超 | Can prevent to stretch inhomogeneous plastic film processing and use tensile equipment |
| CN113310788A (en) * | 2021-07-02 | 2021-08-27 | 上海捷氢科技有限公司 | Rubber material's biaxial stretching clamping device and sample |
-
2005
- 2005-11-15 CN CN 200520067081 patent/CN2835987Y/en not_active Expired - Lifetime
Cited By (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100545627C (en) * | 2007-05-14 | 2009-09-30 | 北京联合大学 | The universal hydraulic testing machine that the test specimen two ends are initiatively loaded |
| CN101393195B (en) * | 2008-10-22 | 2011-12-21 | 哈尔滨工业大学 | Low-temperature breaking test device by freezing for bituminous mixture |
| CN102706731A (en) * | 2012-06-14 | 2012-10-03 | 河南理工大学 | Biaxial tension test device for testing performance of sheet metal |
| CN104101492A (en) * | 2014-07-03 | 2014-10-15 | 安庆市阳光机械制造有限责任公司 | Protective cover fixing device of machine tool telescopic protective cover test machine |
| CN104132853A (en) * | 2014-08-07 | 2014-11-05 | 中国科学技术大学 | Temperature-control high-speed large-strain membrane two-way stretching device and experimental method thereof |
| CN106289966B (en) * | 2015-05-20 | 2019-07-05 | 中国石油化工股份有限公司 | A kind of stress transfer device for simulated experiment |
| CN106289966A (en) * | 2015-05-20 | 2017-01-04 | 中国石油化工股份有限公司 | A kind of Stress Transfer device for simulation experiment |
| CN106989774A (en) * | 2017-04-07 | 2017-07-28 | 芜湖市产品质量监督检验所 | A kind of auto parts and components monitor station |
| CN107725501A (en) * | 2017-11-01 | 2018-02-23 | 广州恒科技有限公司 | A kind of metal, rod-shaped gas type stretching-machine |
| CN108481720A (en) * | 2018-04-24 | 2018-09-04 | 安徽鲲鹏装备模具制造有限公司 | A kind of four sides Automatic-drawing device for automotive upholstery sheet forming |
| CN108481720B (en) * | 2018-04-24 | 2023-09-01 | 安徽鲲鹏装备模具制造有限公司 | Four-side automatic stretching device for forming automobile interior trim part sheet |
| CN109159402A (en) * | 2018-08-31 | 2019-01-08 | 天津万华股份有限公司 | A kind of film cupping machine and stretching test method |
| CN109269883A (en) * | 2018-11-12 | 2019-01-25 | 凯尔测控试验系统（天津）有限公司 | It is biaxial stretch-formed in a kind of face to use width Self adapting fixture |
| CN110220776A (en) * | 2019-03-22 | 2019-09-10 | 兰州德科工程材料有限公司 | A kind of geotechnical grid multi-shaft stretching testing machine |
| CN111923385A (en) * | 2020-07-31 | 2020-11-13 | 西安工业大学 | Film plane stretching device with flexible pneumatic stretching |
| CN112192832A (en) * | 2020-09-21 | 2021-01-08 | 广州市普同实验分析仪器有限公司 | Film stretching device |
| CN112248419A (en) * | 2020-10-10 | 2021-01-22 | 西安工业大学 | Film plane stretching device with super large stretching ratio |
| CN112829272A (en) * | 2020-12-30 | 2021-05-25 | 陈成超 | Can prevent to stretch inhomogeneous plastic film processing and use tensile equipment |
| CN113310788A (en) * | 2021-07-02 | 2021-08-27 | 上海捷氢科技有限公司 | Rubber material's biaxial stretching clamping device and sample |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: SHANTOU JINPING DEHUA MACHINERY FACTORY Free format text: FORMER OWNER: RONGHUA MACHINERY FACTORY, JINYUAN, JINPING DISTRICT, SHANTOU Effective date: 20111115 |
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Effective date of registration: 20111115 Address after: Shantou Shanzhang thermal power plant near the road Patentee after: Shantou Jinping Edward Machinery Works Address before: 515041 Guangdong province Shantou Jinping Shan Zhang Lu Fu Xi Road Patentee before: Ronghua Machinery Factory, Jinyuan, Jinping District, Shantou |
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