CN115056388B - Telescopic mechanism, rubber product mold opening device and mold opening method thereof - Google Patents
Telescopic mechanism, rubber product mold opening device and mold opening method thereof Download PDFInfo
- Publication number
- CN115056388B CN115056388B CN202210709803.9A CN202210709803A CN115056388B CN 115056388 B CN115056388 B CN 115056388B CN 202210709803 A CN202210709803 A CN 202210709803A CN 115056388 B CN115056388 B CN 115056388B
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- tooth
- sealing ring
- pressing plate
- plate
- upper pressing
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- 230000007246 mechanism Effects 0.000 title claims abstract description 15
- 238000000034 method Methods 0.000 title claims abstract description 14
- 238000007789 sealing Methods 0.000 claims abstract description 44
- 238000003825 pressing Methods 0.000 claims abstract description 36
- 238000004073 vulcanization Methods 0.000 claims abstract description 11
- 239000002184 metal Substances 0.000 claims description 37
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 230000008569 process Effects 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 239000003570 air Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000010292 electrical insulation Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 230000003137 locomotive effect Effects 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000005987 sulfurization reaction Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- 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
- B29C35/00—Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
- B29C35/02—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould
-
- 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
- B29C33/00—Moulds or cores; Details thereof or accessories therefor
- B29C33/12—Moulds or cores; Details thereof or accessories therefor with incorporated means for positioning inserts, e.g. labels
-
- 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
- B29C33/00—Moulds or cores; Details thereof or accessories therefor
- B29C33/44—Moulds or cores; Details thereof or accessories therefor with means for, or specially constructed to facilitate, the removal of articles, e.g. of undercut articles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/26—Sealing devices, e.g. packaging for pistons or pipe joints
- B29L2031/265—Packings, Gaskets
-
- 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
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/62—Plastics recycling; Rubber recycling
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Thermal Sciences (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
- Heating, Cooling, Or Curing Plastics Or The Like In General (AREA)
Abstract
The invention discloses a telescopic mechanism, a rubber product mold opening device and a mold opening method thereof, and relates to the technical field of rubber product production. The telescopic mechanism comprises an upper pressing plate and a supporting plate which are transversely arranged in parallel, a spring vertically fixed between the upper pressing plate and the supporting plate, and a sliding support hinge; the sliding support hinge comprises a lower hinge plate and an upper hinge plate which are hinged together through hinge ends, and hinge plates with two ends respectively hinged on the lower hinge plate and the upper hinge plate, wherein the fixed end of the upper hinge plate obliquely penetrates through the supporting plate and then is fixed on the upper pressing plate. The rubber product mold opening device comprises a vulcanization mold, a tooth box and the telescopic mechanism, wherein the vulcanization mold comprises a central hole at the center and a mold cavity for accommodating a sealing ring; the supporting plate is fixed on the inner wall of the central hole, and the upper pressing plate is connected with the inner wall of the central hole in an up-down sliding way; the free end of the lower hinge plate is detachably connected to the inner side wall of the tooth box. Solves the problem that the rubber product is easy to cause the tensile damage of the product in the mold opening process after vulcanization.
Description
Technical Field
The invention relates to the technical field of rubber product production, in particular to a telescopic mechanism, a rubber product mold opening device and a mold opening method thereof.
Background
The rubber strip is a strip-shaped rubber sealing product, is applied to railway locomotives, automobiles, airplanes, high-rise buildings, refrigerators and various industrial parts, plays a role in preventing external dust, air, water and the like from entering a system, and has the advantages of ageing resistance, excellent electrical insulation performance, chemical corrosion resistance, good impact elasticity and the like.
At present, in the process of manufacturing a sealing ring, a metal tooth block is placed in a corresponding position of an inner tooth box of a die cavity, then the rubber strip is filled in, and the die cavity is locked according to the die locking force of a vulcanizing machine, so that a product can be kept in a certain shape. And after a period of sulfuration chemical reaction, forming the anti-falling rubber sealing ring. When vulcanization is finished, the mold locking force is released, the mold upper cover is opened after the mold is pulled out of the equipment, but the product is not easy to take out from the mold cavity, firstly, the metal tooth block is embedded into the tooth box, and the metal tooth block is connected with the product into a whole, so that the product is blocked when being moved, and secondly, the product can expand when encountering heat in the vulcanization process, and particularly, the product is difficult to pry after radial expansion, so that the product is irregular in shape. In a word, the reason is that the product is difficult to take out from the cavity, and the product is easy to be stretched and damaged in the mold opening process after vulcanization, so that the appearance quality of the product is affected.
Disclosure of Invention
1. Technical problem to be solved by the invention
The present application aims to provide a rubber article mold opening device which is advantageous over the prior art described in the background art in at least one aspect.
2. Technical proposal
In order to achieve the above purpose, the technical scheme provided by the invention is as follows:
a telescopic mechanism comprises an upper pressing plate, a supporting plate, a spring, a sliding support hinge and a telescopic mechanism, wherein the upper pressing plate and the supporting plate are transversely arranged in parallel; the sliding support hinge comprises a lower hinge plate and an upper hinge plate which are hinged together through hinge ends, and hinge plates with two ends respectively hinged on the lower hinge plate and the upper hinge plate, and the sliding support hinge is generally hinged in the middle of the lower hinge plate and the upper hinge plate; the fixed end of the upper hinge plate obliquely passes through the supporting plate and then is fixed on the upper pressing plate.
According to the further technical scheme, the number of the sliding support hinges is 2 or more than 2, which are symmetrically arranged, the force is symmetrically applied, the force application is uniform, and the application range is wider.
The rubber product mold opening device comprises a vulcanization mold, a tooth box and the telescopic mechanism, wherein the vulcanization mold comprises a central hole at the center and a mold cavity for accommodating a sealing ring, and the mold cavity is a sealing cavity which is reserved with a tooth box channel and can be adapted to the shape of the sealing ring; the supporting plate is fixed on the inner wall of the central hole, and the upper pressing plate is connected to the inner wall of the central hole in an up-down sliding manner; the free end of lower hinge piece can be dismantled and connect in the inside wall of tooth box to play the effect of propelling movement tooth box to sideslip outward, because the stiff end slant of going up the hinge piece passes the backup pad, the reservation has the perforation of outside slant in the explanation backup pad, and this perforation plays the guide effect of going up the hinge piece, under the cooperation effect with last hinge piece and lower hinge piece pin joint, together with hinge piece oblique pulling action, need not to set up the slide rail in last hinge piece and lower hinge piece pin joint department, can play the push-and-pull to the tooth box.
According to the technical scheme, the number of the tooth boxes is consistent with the number of the metal teeth on the containing sealing ring, and the corresponding number of the metal teeth are pushed to the inner wall of the sealing ring.
Further technical scheme is provided with the rack on the tooth box lateral wall, the shape of rack and the tooth point looks adaptation of metal tooth play to the location and the sealed effect of metal tooth, avoid the metal tooth piece to imbed in the tooth box, influence the mould of opening.
According to the technical scheme, the bottom surface of the tooth box channel is provided with the positioning holes for positioning the metal teeth, so that the function of positioning the horizontal positions of the metal teeth is achieved, and the metal teeth are accurately positioned in cooperation with the longitudinal positioning of the rack.
The mold opening method of the mold opening device for the rubber product comprises the following specific steps:
s1, fixing a sealing ring: tightly plugging a sealing ring to be vulcanized in a die cavity;
s2, fixing metal teeth: placing the inwardly facing metal teeth in the cartridge channel;
s3, pressing down an upper pressing plate: the upper pressing plate is pressed down, the lower hinge plate pushes the tooth box to slide in the tooth box channel, and the tooth box compresses the metal teeth on the inner wall of the lower part of the sealing ring;
s4, die assembly: closing the vulcanizing mould through a mould cover, compacting the upper pressing plate, and forming a fully-closed accommodating cavity by the mould cavity;
s5, vulcanizing: vulcanizing the sealing ring according to the set pressure, temperature and time;
s6, demolding: and withdrawing the die cover, bouncing the upper pressing plate, pulling the tooth box to shrink and retract by the lower hinge piece, enlarging the space of the die cavity, and taking out the sealing ring.
3. Advantageous effects
Compared with the prior art, the technical scheme provided by the invention has the following beneficial effects:
according to the rubber product mold opening device and the rubber product mold opening method, the tooth boxes have the radial expansion function, after the upper pressing plate is loosened, the tooth boxes along the circumferential direction of the center hole of the mold automatically radially shrink towards the center hole of the mold through the hinge, the mold cavity is enlarged, the metal tooth blocks are not blocked when moving up and down, the product can be smoothly opened, the mold opening is convenient and quick, and meanwhile, the appearance quality of the product is guaranteed; after the product is taken out from the die cavity, the tooth box radially stretches into the die cavity along the circumferential direction of the die after the upper pressing plate of the telescopic device is pressed down, and the die cavity is restored to the original size, so that the die is convenient to put into use during reproduction; the mold opening is flexible and free, the production efficiency is improved, the appearance quality of the sealing ring product is guaranteed, and the mold opening device can be widely used for producing and manufacturing rubber products with metal tooth blocks.
Drawings
FIG. 1 is a top view of a seal ring product processed in accordance with the present invention;
FIG. 2 is a cross-sectional view taken along A-A of FIG. l;
FIG. 3 is a B-B cross-sectional view of FIG. 1;
FIG. 4 is a schematic diagram showing a sectional structure of a rubber product mold opening device of the invention when mold opening is performed;
FIG. 5 is a schematic diagram showing a sectional structure of a rubber product mold opening device of the present invention when the mold is closed;
FIG. 6 is a schematic diagram of a cross-sectional structure of a mold cavity in the present invention;
FIG. 7 is a top view of FIG. 4;
FIG. 8 is a top view of FIG. 5;
FIG. 9 is a schematic top view of the gear box of the present invention;
fig. 10 is a schematic view of the structure of the support plate in the present invention.
In the figure: 1-vulcanizing a mold; 2-a telescopic mechanism; 3-metal teeth; 5-a sealing ring; 6-tooth box; 11-a mold cavity; 12-a central hole; 13-positioning holes; 15-cartridge channel; 21-an upper platen; 22-springs; 23-a slide stay hinge; 24-supporting plates; 31-tooth tip; 61-rack; 231-upper hinge plate; 232-lower hinge plate; 233-hinge plate; 241-perforation.
Detailed Description
For a further understanding of the present invention, the present invention will be described in detail with reference to the drawings.
Example 1
As shown in fig. 4 and 5, the telescopic mechanism of the embodiment comprises an upper pressing plate 21 and a supporting plate 24 which are transversely arranged, a spring 22 vertically fixed between the upper pressing plate and the supporting plate, and a sliding support hinge 23; the sliding support hinge 23 comprises a lower hinge piece 232 and an upper hinge piece 231 hinged together through hinge ends, and a hinge piece 233 with two ends respectively hinged on the lower hinge piece 232 and the upper hinge piece 231, and is generally hinged in the middle of the lower hinge piece 232 and the upper hinge piece 231; the fixed end of the upper hinge 231 is fixed to the upper platen 21 after passing through the support plate 24 in an inclined manner.
In the specific use of the telescopic mechanism of the embodiment, after the supporting plate 24 is fixed, based on the special structure of the sliding support hinge 23, after the upper pressing plate 21 is pressed down, the free end of the lower hinge piece 232 plays a pushing role to push the weight outwards; when the upper pressing plate 21 is loosened, the weight can be pulled back, and the tension can be achieved when the weight is applied to the annular piece; the number of the sliding support hinges 23 is 2 or more than 2, which are symmetrically arranged, so that the symmetrical force application is uniform, the application range is wider, for example, when the sliding support hinges are used for tensioning, the sliding support hinges can be symmetrically pushed to the periphery, and the annular piece can be tensioned.
Example 2
The mold opening device for the rubber product is used for processing the sealing ring 5 shown in fig. 1, 2 and 3, wherein a plurality of metal teeth 3 are symmetrically arranged on the inner wall of the lower part of the sealing ring 5, and 6 or 4 metal teeth in fig. 1 are arranged according to the diameter of the sealing ring 5;
as shown in fig. 4, 5, 6 and 7, the mold opening device comprises a vulcanization mold 1, a tooth box 6 and the telescopic mechanism 2 of the embodiment 1, wherein the vulcanization mold 1 comprises a central hole 12 at the center and a mold cavity 11 for accommodating the sealing ring 5, and the mold cavity 11 is a sealing cavity which is provided with a tooth box channel 15 and can adapt to the shape of the sealing ring 5; the supporting plate 24 is fixed on the inner wall of the central hole 12, and the upper pressing plate 21 is connected to the inner wall of the central hole 12 in an up-down sliding manner; the free end of the lower hinge plate 232 is detachably connected to the inner side wall of the tooth box 6, so that the function of pushing the tooth box 6 to slide outwards is achieved, as the fixed end of the upper hinge plate 231 obliquely passes through the supporting plate 24, as shown in fig. 10, a through hole 241 which is obliquely outwards is reserved in the supporting plate 24, the through hole 241 plays a role in guiding the upper hinge plate 231, and under the action of matching with the hinge point of the upper hinge plate 231 and the lower hinge plate 232, the sliding rail is not required to be arranged at the hinge point of the upper hinge plate 231 and the lower hinge plate 232, so that the tooth box 6 can be pushed and pulled.
The method for opening the mold of the mold opening device for the rubber product comprises the following specific steps:
s1, fixing a sealing ring: plugging the sealing ring 5 to be vulcanized in the die cavity 11;
s2, fixing metal teeth: placing the inwardly facing metal teeth 3 in the cartridge channel 15;
s3, pressing down an upper pressing plate: as shown in fig. 5, the upper pressing plate 21 is pressed down, the lower hinge piece 232 pushes the tooth box 6 to slide in the tooth box channel 15, and the tooth box 6 presses the metal teeth 3 on the lower inner wall of the sealing ring 5;
s4, die assembly: closing the vulcanizing mold 1 through a mold cover, compacting the upper pressing plate 21, and forming a fully-closed accommodating cavity by the mold cavity 11;
s5, vulcanizing: vulcanizing the sealing ring 5 according to the set pressure, temperature and time;
s6, demolding: the die cover is withdrawn, as shown in fig. 4 and 8, the upper pressing plate 21 is sprung, the lower hinge piece 232 pulls the tooth box 6 to shrink and retract, the space of the die cavity 11 is enlarged, and the sealing ring 5 is taken out.
According to the rubber product mold opening device and the rubber product mold opening method, the degree of freedom of taking out the sealing ring 5 from the mold cavity 11 is increased, the production efficiency is improved, the sealing ring 5 is prevented from being pulled when being taken out from the mold cavity, and the product qualification rate is improved.
Example 3
The basic structure of the mold opening device for rubber products of the embodiment is the same as that of the embodiment 2, and the improvement and the difference are that: the number of the tooth boxes 6 is consistent with the number of the metal teeth 3 on the accommodating sealing ring 5, and the corresponding number of the metal teeth 3 are pushed to the inner wall of the sealing ring 5. As shown in fig. 9, a rack 61 is disposed on the outer side wall of the tooth box 6, and the shape of the rack 61 is matched with the tooth tip 31 of the metal tooth 3, so that the positioning and sealing effects on the metal tooth 3 are achieved, and the metal tooth 3 is prevented from being embedded into the tooth box 6 to affect the mold opening. The bottom surface of the tooth box channel 15 is provided with a positioning hole 13 for positioning the position of the metal tooth 3, which plays a role in positioning the horizontal position of the metal tooth 3, and cooperates with the longitudinal positioning of the rack 61 to accurately position the metal tooth 3.
According to the rubber product mold opening device and the rubber product mold opening method, the tooth box 6 has a radial expansion function, after the upper pressing plate 21 is loosened, the tooth box 5 arranged along the circumferential direction of the center hole of the mold automatically radially contracts towards the center hole 12 of the mold through the sliding support hinge 23, the mold cavity 11 is enlarged, the metal teeth 3 are not blocked when moving up and down, the mold opening of a sealing ring 5 product can be smoothly carried out, convenience and rapidness are realized, and meanwhile, the appearance quality of the product is guaranteed; after the sealing ring 5 is taken out from the die cavity 11, the tooth box 6 radially stretches into the die cavity 11 along the circumferential direction of the die after the upper pressing plate 21 of the telescopic device is pressed down, and the die cavity 11 is restored to the original size, so that the die is convenient to put into use during reproduction; firstly, the production efficiency is improved, and secondly, the appearance quality of the sealing ring 5 product is guaranteed.
The invention and its embodiments have been described above by way of illustration and not limitation, and the invention is illustrated in the accompanying drawings and described in the drawings in which the actual structure is not limited thereto. Therefore, if one of ordinary skill in the art is informed by this disclosure, the structural mode and the embodiments similar to the technical scheme are not creatively designed without departing from the gist of the present invention.
Claims (4)
1. The utility model provides a rubber products opens mould device which characterized in that: comprises a vulcanization mould (1), a tooth box (6) and a telescopic mechanism (2);
the telescopic mechanism (2) comprises an upper pressing plate (21) and a supporting plate (24) which are transversely arranged in parallel, a spring (22) vertically fixed between the upper pressing plate and the supporting plate, and a sliding support hinge (23); the sliding support hinge (23) comprises a lower hinge piece (232) and an upper hinge piece (231) which are hinged together through hinge ends, and hinge pieces (233) of which the two ends are respectively hinged on the lower hinge piece (232) and the upper hinge piece (231); the fixed end of the upper hinge piece (231) passes through the supporting plate (24) and then is fixed on the upper pressing plate (21); the number of the sliding support hinges (23) is more than 2 which are symmetrically arranged;
the vulcanizing mold (1) comprises a central hole (12) at the center and a mold cavity (11) for accommodating the sealing ring (5), wherein the mold cavity (11) is a sealing cavity which is reserved with a tooth box channel (15) and can be matched with the shape of the sealing ring (5); the supporting plate (24) is fixed on the inner wall of the central hole (12), and the upper pressing plate (21) is connected to the inner wall of the central hole (12) in an up-down sliding manner; the free end of the lower hinge piece (232) is detachably connected to the inner side wall of the tooth box (6);
the number of the tooth boxes (6) is consistent with the number of the metal teeth (3) on the sealing ring (5).
2. The rubber product mold opening device according to claim 1, wherein: a rack (61) is arranged on the outer side wall of the gear box (6), and the shape of the rack (61) is matched with the tooth tip (31) of the metal tooth (3).
3. The rubber product mold opening device according to claim 1, wherein: and a positioning hole (13) for positioning the position of the metal tooth (3) is formed in the bottom surface of the tooth box channel (15).
4. A method for opening a mold of a rubber article according to any one of claims 1 to 3, characterized in that: the method comprises the following steps:
s1, fixing a sealing ring: plugging a sealing ring (5) to be vulcanized in a die cavity (11);
s2, fixing metal teeth: placing the inwardly facing metal teeth (3) in the cartridge channel (15);
s3, pressing down an upper pressing plate: the upper pressing plate (21) is pressed down, the lower hinge plate (232) pushes the tooth box (6) to slide in the tooth box channel (15), and the tooth box (6) compresses the metal teeth (3) on the lower part of the sealing ring (5);
s4, die assembly: closing the vulcanizing mould (1) through a mould cover, compacting the upper pressing plate (21), and forming a fully-closed accommodating cavity by the mould cavity (11);
s5, vulcanizing: vulcanizing the sealing ring (5) according to the set pressure, temperature and time;
s6, demolding: and withdrawing the die cover, bouncing the upper pressing plate (21), pulling the tooth box (6) to shrink and retract by the lower hinge piece (232), enlarging the space of the die cavity (11), and taking out the sealing ring (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210709803.9A CN115056388B (en) | 2022-06-22 | 2022-06-22 | Telescopic mechanism, rubber product mold opening device and mold opening method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210709803.9A CN115056388B (en) | 2022-06-22 | 2022-06-22 | Telescopic mechanism, rubber product mold opening device and mold opening method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN115056388A CN115056388A (en) | 2022-09-16 |
| CN115056388B true CN115056388B (en) | 2024-02-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210709803.9A Active CN115056388B (en) | 2022-06-22 | 2022-06-22 | Telescopic mechanism, rubber product mold opening device and mold opening method thereof |
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| Country | Link |
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| CN (1) | CN115056388B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN208773901U (en) * | 2018-06-14 | 2019-04-23 | 深圳市慧天翔塑胶制品有限公司 | A kind of plastic mould cavity core pulling mechanism |
| CN112362492A (en) * | 2020-11-11 | 2021-02-12 | 安徽欣鼎高分子材料有限公司 | Stretching resistance detection device that rubber product was used |
| CN214885489U (en) * | 2020-09-23 | 2021-11-26 | 新疆冶金建设(集团)有限责任公司 | Double-column expansion joint mold reinforcing device |
| CN113708579A (en) * | 2021-10-29 | 2021-11-26 | 江苏弗林特机电科技有限公司 | Coil shaping device of motor stator |
| CN216543079U (en) * | 2021-12-20 | 2022-05-17 | 河南省智诚阀门管件制造有限公司 | Double-flange rubber expansion joint sealing ring assembling tool |
-
2022
- 2022-06-22 CN CN202210709803.9A patent/CN115056388B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN208773901U (en) * | 2018-06-14 | 2019-04-23 | 深圳市慧天翔塑胶制品有限公司 | A kind of plastic mould cavity core pulling mechanism |
| CN214885489U (en) * | 2020-09-23 | 2021-11-26 | 新疆冶金建设(集团)有限责任公司 | Double-column expansion joint mold reinforcing device |
| CN112362492A (en) * | 2020-11-11 | 2021-02-12 | 安徽欣鼎高分子材料有限公司 | Stretching resistance detection device that rubber product was used |
| CN113708579A (en) * | 2021-10-29 | 2021-11-26 | 江苏弗林特机电科技有限公司 | Coil shaping device of motor stator |
| CN216543079U (en) * | 2021-12-20 | 2022-05-17 | 河南省智诚阀门管件制造有限公司 | Double-flange rubber expansion joint sealing ring assembling tool |
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| Publication number | Publication date |
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| CN115056388A (en) | 2022-09-16 |
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