CN211762942U - Manufacturing equipment for casting nylon bar - Google Patents
Manufacturing equipment for casting nylon bar Download PDFInfo
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- CN211762942U CN211762942U CN202020279968.3U CN202020279968U CN211762942U CN 211762942 U CN211762942 U CN 211762942U CN 202020279968 U CN202020279968 U CN 202020279968U CN 211762942 U CN211762942 U CN 211762942U
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- pressurizing device
- pressurizing
- mould
- manufacturing apparatus
- rod
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- 239000004677 Nylon Substances 0.000 title claims abstract description 49
- 229920001778 nylon Polymers 0.000 title claims abstract description 49
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 39
- 238000005266 casting Methods 0.000 title claims abstract description 37
- 238000013519 translation Methods 0.000 claims description 25
- 239000002184 metal Substances 0.000 claims description 5
- 229910052751 metal Inorganic materials 0.000 claims description 5
- 239000000463 material Substances 0.000 abstract description 34
- 239000007788 liquid Substances 0.000 abstract description 31
- 238000003825 pressing Methods 0.000 description 8
- 238000000034 method Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 238000009750 centrifugal casting Methods 0.000 description 4
- 229920006351 engineering plastic Polymers 0.000 description 3
- 230000003068 static effect Effects 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000005012 migration Effects 0.000 description 2
- 238000013508 migration Methods 0.000 description 2
- 239000000178 monomer Substances 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000012190 activator Substances 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- JBKVHLHDHHXQEQ-UHFFFAOYSA-N epsilon-caprolactam Chemical group O=C1CCCCCN1 JBKVHLHDHHXQEQ-UHFFFAOYSA-N 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
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- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
Abstract
The utility model provides a casting nylon rod's manufacture equipment, include: a mold, a bottom pressure device and a top pressure device; the mould is of a vertically arranged tubular structure, the top pressurizing device is arranged above the mould, and the bottom pressurizing device is arranged below the mould; the bottom pressurizing device is provided with a telescopic rod which can stretch up and down, and a first pressure head at the end part of the telescopic rod can be abutted against the bottom end of the die; the top pressurizing device is provided with a pressurizing rod for pressurizing downwards, and a second pressure head at the end part of the pressurizing rod can abut against the top end of the die. Through the manufacturing equipment for casting the nylon bar provided by the embodiment of the utility model, the material liquid can be integrally pressed, so that the material liquid can be promoted to fill the gap, and the bubbles in the material liquid can be eliminated; and because of exerting pressure, can dispel the bar surface because the tiny bubble that the pouring causes, the surface of nylon bar of casting is more smooth and clean; after the material liquid is reacted and formed, the casting nylon bar can be conveniently taken out by contracting the telescopic rod.
Description
Technical Field
The utility model relates to an engineering plastics technical field particularly, relates to a casting nylon rod's manufacture equipment.
Background
The cast Nylon, Monomer Casting Nylon, also called MC Nylon, MC Nylon product is one of engineering plastics, has various properties of light weight, high strength, self-lubricating property, wear resistance, corrosion resistance, insulation and the like, and is widely applied engineering plastics. The nylon rod made of cast nylon can replace wear-resistant parts of mechanical equipment and copper and alloy as wear-resistant parts of the equipment. The high-strength wear-resistant steel has the characteristics of good toughness, strong wear resistance, oil resistance, shock resistance, good tensile and bending strength, small water absorption, good dimensional stability and the like, so that the high-strength wear-resistant steel is used for processing various wear-resistant high-strength parts.
The commonly used production process for casting nylon bar material at present is casting, forming and demoulding, and melting raw material caprolactam monomer (C) under normal pressure6H11NO) using alkaline substance as activator, making monomer to be polymerized together with cocatalyst, directly injecting into a mould preheated to a certain temperature, making the material quickly polymerize in the mould, and condensing into tough solid blank to obtain the nylon rod product.
At present, the production of cast nylon rods is mainly realized by adopting static casting equipment and centrifugal casting equipment. When the static casting equipment is used for producing nylon bars with larger length or diameter, the nylon bars are easy to generate bubbles, so that the strength of bar products is reduced; centrifugal casting equipment can reduce bubbles inside the bar but can result in a reduction in the surface finish of the bar. The nylon rod product produced by the existing casting equipment has low qualification rate, and the centrifugal casting equipment is mainly suitable for hollow cylindrical rods.
SUMMERY OF THE UTILITY MODEL
In order to solve the above problem, an object of the embodiments of the present invention is to provide a manufacturing apparatus for casting nylon rods.
The embodiment of the utility model provides a casting nylon rod's manufacture equipment, include: a mold, a bottom pressure device and a top pressure device;
the mould is of a vertically arranged tubular structure, the top pressurizing device is arranged above the mould, and the bottom pressurizing device is arranged below the mould;
the bottom pressurizing device is provided with a telescopic rod which can stretch up and down, and a first pressure head at the end part of the telescopic rod can be abutted against the bottom end of the die;
the top pressurizing device is provided with a pressurizing rod for pressurizing downwards, and a second pressure head at the end part of the pressurizing rod can abut against the top end of the die.
In one possible implementation, the inner wall of the mold is cylindrical.
In one possible implementation, the length of the mold is 30-2000 mm;
and/or the diameter of the die is 5-500 mm.
In one possible implementation, the manufacturing apparatus further includes: a translation device;
the translation device is provided with a translation part which moves horizontally, and the translation part is connected with the bottom pressurizing device and used for moving the bottom pressurizing device horizontally.
In a possible implementation manner, the translation device further includes a fixedly disposed limiting portion;
the limiting part is positioned on one side of the bottom pressurizing device; when the bottom pressurizing device is in contact with the limiting part, the first pressure head of the telescopic rod can be abutted to the bottom end of the die.
In one possible implementation, the first ram and the second ram are both metal rams.
In a possible implementation, the housing of the top pressurizing device is provided with an openable and closable transparent window.
In one possible implementation, the number of the molds is multiple;
the shape of the first pressure head is matched with the shape of the bottom ends of the dies;
the shape of the second pressure head is matched with the shape of the top ends of the dies.
In one possible implementation, the manufacturing apparatus further includes a fixing bracket and a supporting plate;
the fixed bracket is arranged around the bottom pressurizing device, and the supporting plate is arranged at the upper end of the fixed bracket;
the backup pad be equipped with the bottom assorted through-hole of mould, just the mould sets up in the backup pad.
In one possible implementation, the manufacturing apparatus further includes a support column;
one end of the supporting column is arranged on the supporting plate, and the other end of the supporting column is arranged at the bottom of the top pressurizing device.
In the scheme provided by the embodiment of the utility model, the top pressurizing device and the bottom pressurizing device are respectively arranged on the upper side and the lower side of the tubular mold, and the telescopic rod of the bottom pressurizing device can block the bottom end of the mold to form a cavity structure capable of containing material liquid; in the production process, the pressurizing rod of the top pressurizing device can integrally pressurize the material liquid, so that the material liquid can be promoted to fill the gap, and bubbles in the material liquid are eliminated; and because of exerting pressure, can dispel the bar surface because the tiny bubble that the pouring causes, the surface of nylon bar of casting is more smooth and clean; after the material liquid is reacted and formed, the casting nylon bar can be conveniently taken out by contracting the telescopic rod. The metal pressure head can guarantee that rod upper portion is level and smooth, can reduce the material loss.
In order to make the aforementioned and other objects, features and advantages of the present invention comprehensible, preferred embodiments accompanied with figures are described in detail below.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 shows a front view of a manufacturing apparatus for casting nylon rods according to an embodiment of the present invention;
fig. 2 shows a side view of a manufacturing apparatus for casting nylon rods according to an embodiment of the present invention.
Icon:
1-mould, 2-bottom pressurizing device, 21-telescopic rod, 211-first pressure head, 3-top pressurizing device, 31-pressurizing rod, 32-transparent window, 4-translation device, 41-translation part, 42-limiting part, 5-fixing support, 6-support plate and 7-support column.
Detailed Description
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
The embodiment of the utility model provides a pair of casting nylon rod's manufacture equipment eliminates the bubble in the casting nylon rod through the mode of exerting pressure. Referring to fig. 1 and 2, the manufacturing apparatus includes: a mould 1, a bottom press 2 and a top press 3. Wherein, the mould 1 is a vertically arranged tubular structure, the top pressure device 3 is arranged above the mould 1, and the bottom pressure device 2 is arranged below the mould 1.
Specifically, as shown in fig. 1 and 2, the bottom pressurizing device 2 is provided with an expansion link 21 which extends up and down, and a first pressing head 211 at the end of the expansion link 21 can abut against the bottom end of the mold 1; the top press 3 is provided with a press bar 31 pressing downward, and a second ram at the end of the press bar 31 can abut against the top end of the die 1.
In the embodiment of the utility model, the manufacturing equipment mainly comprises a bottom pressurizing device 2 at the lower part, a middle tubular mould 1 and a top pressurizing device 3 at the upper part; the telescopic link 21 of bottom pressure device 2 can stretch out and draw back from top to bottom, and telescopic link 21 is when upwards extending, and the first pressure head 211 at its top can be supported to the bottom of mould 1, and then this first pressure head 211 and tubular structure's mould 1 can form the cavity structure, and this cavity structure can hold the material liquid that is used for producing the casting nylon rod. Wherein, the first pressure head 211 is connected with the die 1 in a sealing manner to avoid the material liquid from leaking out of the bottom end of the die 1; specifically, the first ram 211 may be provided with a sealing ring. After injecting the material liquid into the die 1 from the top end of the die 1, the pressurizing rod 31 of the top pressurizing device 3 can press downward, and the material liquid is pressurized by the second pressure head abutting against the top end of the die 1, so that the material liquid can be promoted to fill the gap, and air bubbles in the material liquid can be eliminated.
After the material liquid is formed, the casting nylon bar can be formed, the top pressurizing device 3 can stop pressurizing at the moment, and the telescopic rod 21 of the bottom pressurizing device 2 can be contracted downwards, so that the casting nylon bar in the mold 1 can be separated from the bottom of the mold 1, and the required casting nylon bar is obtained. In addition, since the top pressurizing device 2 can apply pressure to the material liquid, when the length of the material liquid (i.e. the length of the die 1) is longer (for example, 1 meter), the bubbles in the material liquid can be eliminated, and the cast nylon rod with few bubbles or no bubbles can be produced. Wherein, the length of the mould 1 can be 30-2000 mm; preferably, the length of the mould 1 may be 700 and 1200mm for producing a corresponding length (e.g. 1 meter, etc.) of cast nylon rod. In addition, the shape of the mold 1 may be determined based on actual needs, such as when a cylindrical cast nylon rod is required, the inner wall of the mold 1 is cylindrical; meanwhile, under the action of the top pressurizing device 2, the manufacturing equipment can also manufacture cast nylon bars with larger cross section, for example, cast nylon bars with the diameter of 20cm can be generated. In this embodiment, the diameter of the mold 1 is specifically 5 to 500 mm.
In this embodiment, the top pressurizing device 3 is a device capable of providing pressure, and may specifically be a hydraulic cylinder, and a piston rod of the hydraulic cylinder may serve as the pressurizing rod 31; the telescopic rod 21 of the bottom pressurizing device 2 may have a function of extending and retracting up and down, and also needs to be capable of bearing a certain pressure when the pressurizing rod 31 applies pressure, so the bottom pressurizing device 2 may be a hydraulic cylinder, and a piston rod of the hydraulic cylinder may be used as the telescopic rod 21.
The embodiment of the utility model provides a casting nylon rod's manufacture equipment, both sides set up top pressure device and bottom pressure device respectively about the tubulose mould, the bottom of mould can be shutoff to bottom pressure device's telescopic link, forms the cavity structure that can hold the thing feed liquid; in the production process, the pressurizing rod of the top pressurizing device can integrally pressurize the material liquid, so that the material liquid can be promoted to fill the gap, and bubbles in the material liquid are eliminated; and because of exerting pressure, can dispel the bar surface because the tiny bubble that the pouring causes, the surface of nylon bar of casting is more smooth and clean; after the material liquid is reacted and formed, the casting nylon bar can be conveniently taken out by contracting the telescopic rod 21.
On the basis of the above-described embodiment, referring to fig. 1 and 2, the manufacturing apparatus further includes: and a translation device 4. In particular, the translation means 4 are provided with a translation portion 41 moving horizontally, the translation portion 41 being connected to the bottom pressing means 2 for moving the bottom pressing means 2 horizontally.
In the embodiment of the present invention, the bottom pressure device 2 is further provided with a horizontal moving device 4, so that the bottom pressure device 2 can move horizontally. The translation portion 41 of the translation device 4 can move horizontally, and the translation device 4 can drive the bottom pressurizing device 2 to move horizontally in the horizontal moving process. Specifically, as shown in fig. 2, the translation device 4 may have a hydraulic cylinder structure, and a piston rod of the hydraulic cylinder may be the translation unit 41.
At this time, the use process of the manufacturing equipment for casting the nylon bar is specifically as follows: firstly, horizontally moving the bottom pressurizing device 2 by using the translation device 4 to adjust the position of the bottom pressurizing device 2, so that the bottom pressurizing device 2 can be positioned right below the mold 1; then, the bottom pressurizing device 2 is controlled to extend the telescopic rod 21, so that the telescopic rod 21 is abutted against and seals the bottom end of the mold 1, a cavity structure is formed, and material liquid can be injected into the cavity structure; wherein the mold 1 may be preheated in advance and to a desired temperature (e.g., 150 c to 180 c). The prepared material liquid is injected into the cavity structure, the top pressurizing device 3 applies pressure to the material liquid in the die 1 through the pressurizing rod 31, and the pressurizing rod 31 can continuously apply pressure or apply pressure periodically, which can be determined based on actual conditions. After the material liquid reaction molding, the material liquid can form the casting nylon rod, and the pressure bar 31 stops exerting pressure this moment, and telescopic link 21 contracts downwards, later removes this bottom pressure device 2 under the effect of translation device 4 for bottom pressure device 2 keeps away from mould 1, and then the casting nylon rod in the mould 1 can deviate from, and bottom pressure device 2 can not influence the process of should deviating from. When the cast nylon bar with larger length is produced, the mould 1 is only required to be arranged at a position high enough, and the telescopic rod 21 of the bottom pressurizing device 2 does not need larger telescopic length due to the existence of the horizontal device 4.
Optionally, referring to fig. 2, the translation device 4 further includes a fixedly disposed limiting portion 42; the limiting part 42 is positioned at one side of the bottom pressurizing device 2; when the bottom pressurizing device 2 is in contact with the stopper 42, the first ram 211 of the telescopic rod 21 can abut against the bottom end of the mold 1. Specifically, this translation portion 41 and spacing portion 42 are located the both sides of bottom pressure device 2 respectively, as shown in fig. 2, translation portion 41 can drive bottom pressure device 2 and control horizontal migration, and when bottom pressure device 2 horizontal migration right, spacing portion 42 can restrict the position of bottom pressure device 2, conveniently aligns bottom pressure device 2 with the bottom of mould 1.
On the basis of the above embodiment, the manufacturing apparatus may further include a fixing bracket 5 and a support plate 6; the fixed bracket 5 is arranged around the bottom pressurizing device 2, and the supporting plate 6 is arranged at the upper end of the fixed bracket 5; the backup pad 6 is equipped with the bottom assorted through-hole with mould 1, and mould 1 sets up in backup pad 6. In this embodiment, can fix the support and live mould 1 based on fixed bolster 5 and backup pad 6, and fixed bolster 5 highly can be greater than mould 1's length for can break away from mould 1 completely when the casting nylon rod in the mould 1 is deviate from, conveniently take out the casting nylon rod. Meanwhile, the bottom end of the die 1 is arranged on the supporting plate 6 and corresponds to the through hole on the supporting plate 6; the telescopic rod 21 can abut against the through hole when extending upwards, and further can block the bottom end of the mold 1.
Alternatively, referring to fig. 1 and 2, the manufacturing apparatus further includes a support column 7; one end of the supporting column 7 is arranged on the supporting plate 6, and the other end is arranged at the bottom of the top pressurizing device 3. In this embodiment, the support column 7 is used to support the top pressurizing means 3; the number of the supporting columns 7 may be multiple, and the supporting columns 7 are uniformly distributed around the mold 1, and fig. 1 and 2 illustrate that four supporting columns 7 are included.
On the basis of the above embodiment, both the first indenter 211 and the second indenter in the present embodiment are metal indenters. Because the upper portion of the casting nylon rod that static pouring and centrifugal casting made often forms because the shrink is sunken, the metal pressure head in this embodiment can guarantee that rod upper portion is level and smooth, can reduce the material loss. In addition, the first ram 211 and the second ram may be identical in structure except that they are disposed one upward and one downward. And in general, the die 1 is a tubular structure with the same upper and lower dimensions, i.e. the top and bottom of the die 1 are the same, and the first ram 211 and the second ram may have the same structure.
Optionally, the housing of the top pressurizing means 3 is provided with an openable and closable transparent window 32. In this embodiment, when the material liquid needs to be injected into the mold 1, the transparent window 32 can be opened, and then the material liquid is injected into the mold 1; after the injection is finished, the transparent window 32 can be closed, and meanwhile, the pressurizing process inside the top pressurizing device 3 can be observed through the transparent window 32, so that whether the pressurizing process has problems or not can be conveniently checked.
Optionally, the manufacturing equipment for casting nylon rods may include a plurality of molds 1, and accordingly, the shape of the first pressing head 211 of the telescopic rod 21 needs to be matched with the shapes of the bottom ends of the plurality of molds 1, and the shape of the second pressing head of the pressurizing rod 31 needs to be matched with the shapes of the top ends of the plurality of molds 1, so that the first pressing head 211 may block the bottom ends of the plurality of molds 1, and the second pressing head may simultaneously apply pressure to the top ends of the plurality of molds 1, thereby completing the manufacturing process. A plurality of casting nylon rods can be produced simultaneously through setting up a plurality of moulds 1 in this embodiment, can improve production efficiency.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the technical solutions of the changes or replacements within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. A manufacturing apparatus for casting nylon rods, comprising: a mold, a bottom pressure device and a top pressure device;
the mould is of a vertically arranged tubular structure, the top pressurizing device is arranged above the mould, and the bottom pressurizing device is arranged below the mould;
the bottom pressurizing device is provided with a telescopic rod which can stretch up and down, and a first pressure head at the end part of the telescopic rod can be abutted against the bottom end of the die;
the top pressurizing device is provided with a pressurizing rod for pressurizing downwards, and a second pressure head at the end part of the pressurizing rod can abut against the top end of the die.
2. The manufacturing apparatus of claim 1, wherein the inner wall of the mold is cylindrical.
3. The manufacturing apparatus according to claim 2,
the length of the die is 30-2000 mm;
and/or the diameter of the die is 5-500 mm.
4. The manufacturing apparatus according to claim 1, further comprising: a translation device;
the translation device is provided with a translation part which moves horizontally, and the translation part is connected with the bottom pressurizing device and used for moving the bottom pressurizing device horizontally.
5. The manufacturing apparatus of claim 4, wherein the translating means further comprises a fixedly disposed stop portion;
the limiting part is positioned on one side of the bottom pressurizing device; when the bottom pressurizing device is in contact with the limiting part, the first pressure head of the telescopic rod can be abutted to the bottom end of the die.
6. The manufacturing apparatus of claim 1, wherein the first ram and the second ram are both metal rams.
7. The manufacturing apparatus of claim 1, wherein the housing of the top pressurizing device is provided with an openable and closable transparent window.
8. The manufacturing apparatus according to claim 1, wherein the number of the molds is plural;
the shape of the first pressure head is matched with the shape of the bottom ends of the dies;
the shape of the second pressure head is matched with the shape of the top ends of the dies.
9. The manufacturing apparatus according to any one of claims 1 to 8, further comprising a fixing bracket and a supporting plate;
the fixed bracket is arranged around the bottom pressurizing device, and the supporting plate is arranged at the upper end of the fixed bracket;
the backup pad be equipped with the bottom assorted through-hole of mould, just the mould sets up in the backup pad.
10. The manufacturing apparatus of claim 9, further comprising a support column;
one end of the supporting column is arranged on the supporting plate, and the other end of the supporting column is arranged at the bottom of the top pressurizing device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020279968.3U CN211762942U (en) | 2020-03-09 | 2020-03-09 | Manufacturing equipment for casting nylon bar |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020279968.3U CN211762942U (en) | 2020-03-09 | 2020-03-09 | Manufacturing equipment for casting nylon bar |
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| Publication Number | Publication Date |
|---|---|
| CN211762942U true CN211762942U (en) | 2020-10-27 |
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| CN202020279968.3U Active CN211762942U (en) | 2020-03-09 | 2020-03-09 | Manufacturing equipment for casting nylon bar |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113290741A (en) * | 2021-05-18 | 2021-08-24 | 王琨 | Plastic bag recycling and compressing device and plastic bag recycling process |
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2020
- 2020-03-09 CN CN202020279968.3U patent/CN211762942U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113290741A (en) * | 2021-05-18 | 2021-08-24 | 王琨 | Plastic bag recycling and compressing device and plastic bag recycling process |
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Address after: 055150 Middle Section of Guanghua Road, Renze Economic Development Zone, Xingtai City, Hebei Province Patentee after: Hebei Hongrui Environmental Protection Technology Co.,Ltd. Address before: 055150 middle section of Guanghua Road, Renxian Economic Development Zone, Xingtai City, Hebei Province Patentee before: XINGTAI CRRC ENVIRONMENTAL PROTECTION TECHNOLOGY CO.,LTD. |