CN213260898U - Sleeve type ejector rod and ejector device of dumbbell full-buckling die - Google Patents
Sleeve type ejector rod and ejector device of dumbbell full-buckling die Download PDFInfo
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- CN213260898U CN213260898U CN202021280117.7U CN202021280117U CN213260898U CN 213260898 U CN213260898 U CN 213260898U CN 202021280117 U CN202021280117 U CN 202021280117U CN 213260898 U CN213260898 U CN 213260898U
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- ejector
- sleeve
- ejector pin
- plate
- dumbbell
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- 238000013461 design Methods 0.000 abstract description 4
- 238000005516 engineering process Methods 0.000 abstract description 4
- 238000012797 qualification Methods 0.000 abstract description 3
- 238000002347 injection Methods 0.000 description 10
- 239000007924 injection Substances 0.000 description 10
- 239000000463 material Substances 0.000 description 8
- 238000000465 moulding Methods 0.000 description 8
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 5
- 235000017491 Bambusa tulda Nutrition 0.000 description 5
- 241001330002 Bambuseae Species 0.000 description 5
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 5
- 239000011425 bamboo Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 238000000926 separation method Methods 0.000 description 4
- 239000000498 cooling water Substances 0.000 description 3
- 238000001746 injection moulding Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000007731 hot pressing Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000012768 molten material Substances 0.000 description 1
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- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The utility model discloses a full knot mould bushing type ejector pin and ejecting device of dumbbell, include: the ejector pin is cylindrical, and an ejector pin base is arranged at the bottom of the ejector pin; the ejector sleeve is of a hollow tubular structure, the ejector sleeve is sleeved on the ejector pin, the inner diameter of the ejector sleeve is equal to the outer diameter of the ejector pin, the height of the ejector sleeve is smaller than that of the ejector pin, and an annular bulge is arranged on the outer wall of the bottom of the ejector sleeve. The design of this bushing type thimble, simple structure, and realized the automation of dumbbell full-button drawing of patterns technology, convenient operation safety, great improvement the finished product qualification rate.
Description
Technical Field
The utility model relates to a technical field of mould, concretely relates to dumbbell full-buckling mould bushing type ejector pin and ejecting device.
Background
The dumbbell full button is a plastic product in the rainwater storage module and is formed by hot pressing through a die. In the existing injection mold technology, the dumbbell is fully buckled by manual demoulding mostly, and the product can be taken out only with great force due to strong adhesive force of the dumbbell fully buckled on the mold.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a dumbbell is detained mould bushing type ejector pin and ejecting device entirely, solves one or more among the above-mentioned prior art problem.
According to the utility model discloses a full knot of dumbbell mould bushing type ejector pin, include:
the ejector pin is cylindrical, and an ejector pin base is arranged at the bottom of the ejector pin;
the ejector sleeve is of a hollow tubular structure, the ejector sleeve is sleeved on the ejector pin, the inner diameter of the ejector sleeve is equal to the outer diameter of the ejector pin, the height of the ejector sleeve is smaller than that of the ejector pin, and an annular bulge is arranged on the outer wall of the bottom of the ejector sleeve.
The ejection device of the dumbbell full-buckling die comprises the sleeve type ejector rod, a lower die cover plate, an ejector pin plate and an ejector pin cover plate, wherein the lower die cover plate is located below the ejector pin plate, the ejector pin plate is located below the ejector pin cover plate and is fixedly connected with the ejector pin cover plate, an ejector pin base is fixedly connected with the lower die cover plate, an ejector pin penetrates through the ejector pin plate, the ejector pin cover plate and a lower forming plate, an ejector sleeve penetrates through the ejector pin cover plate and is abutted against an annular bulge of the ejector sleeve and the ejector pin plate, and the top of the ejector sleeve is located in a forming cavity.
In some embodiments, the ejector pin further comprises a positioning sleeve, the positioning sleeve is of a hollow cylindrical structure, an annular protrusion is arranged at the top of the positioning sleeve, the positioning sleeve is inserted into the positioning hole of the upper forming plate, the annular protrusion of the positioning sleeve is abutted against the top of the upper forming plate, and the top of the ejector pin is inserted into the positioning sleeve.
Has the advantages that: the design of the bushing type thimble of this application, simple structure, and realized the automation of dumbbell full-buckling demolding technology, convenient operation safety, great improvement the finished product qualification rate.
Drawings
Fig. 1 is a schematic structural view of a dumbbell full buckle mold according to an embodiment of the present invention;
fig. 2 is a cross-sectional view of a dumbbell full-buckle mold according to an embodiment of the present invention;
fig. 3 is a schematic view of a partial structure of a dumbbell full-buckle mold according to an embodiment of the present invention;
fig. 4 is a schematic partial structural view of a dumbbell full buckle mold according to an embodiment of the present invention;
fig. 5 is a schematic structural view of a dumbbell full-buckle mold forming plate according to an embodiment of the present invention;
fig. 6 is a schematic view of a partial structure of a dumbbell full-buckle mold forming plate according to an embodiment of the present invention;
fig. 7 is a schematic view of a partial structure of a dumbbell full-buckle mold according to an embodiment of the present invention;
fig. 8 is a schematic structural view of a sleeve-type ejector rod of a full-buckle mold for dumbbells according to an embodiment of the present invention.
Detailed Description
In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the application described herein may be used. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
The terms "mounted," "disposed," "provided," "connected," and "sleeved" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
As shown in fig. 1 to 4:
a dumbbell full-buckling die comprises a sprue bush 10, a lower die, an upper die and a sleeve type thimble 40, wherein the upper die is arranged above the lower die and can move up and down relative to the lower die, the upper die comprises an upper die cover plate 21 and an upper forming plate 22, the upper die cover plate 21 and the upper forming plate 22 are fixedly connected through bolts, the upper forming plate 22 is provided with a plurality of positioning holes 23, positioning sleeves 24 are arranged in the positioning holes 23, the lower die comprises a lower forming plate 31, a lower die cover plate 33, die legs 32, a thimble plate 35 and a thimble cover plate 34, the lower die cover plate 33, the die legs 32 and the lower forming plate 31 are fixedly connected through bolts, the thimble plate 35 is arranged above the lower die cover plate 33, and the thimble cover plate 34 is arranged above the thimble plate 35 and fixedly connected with the thimble plate 35 through bolts;
the bushing-type thimble 40 includes a thimble 41 and an ejector sleeve 42, the ejector sleeve 42 is sleeved on the thimble and can move up and down relative to the thimble 41, the thimble 41 is fixed on the lower mold cover plate 33 and sequentially penetrates through the thimble plate 35, the thimble cover plate 34 and the lower forming plate 31, the top of the thimble 41 is inserted into the positioning sleeve 24, the ejector sleeve 42 is fixed on the thimble plate 35 and sequentially penetrates through the thimble cover plate 34, and the top of the ejector sleeve 42 is located in the cavity 311;
among them, as shown in fig. 5 and 6:
the lower molding plate 31 comprises a molding plate body 310, a runner and an injection channel, wherein the molding plate body 310 is provided with a plurality of cavities 311, the runner comprises a main runner 312, a secondary runner 313 and a sub-runner 314, the main runner 312 is communicated with the secondary runner 313, the secondary runner 313 is communicated with the sub-runner 314, the injection channel comprises a first injection gate 51 and a second injection gate 52, the injection channel is used for communicating the sub-runner 314 with the cavities 311, the first injection gate 51 is positioned on the sub-runner 314, the distance between the first injection gate and the top of the sub-runner 314 is not more than 1mm, the second injection gate 52 is positioned on the cavities 311, the distance between the second injection gate and the top of the cavities 311 is not more than 1mm, the sprue bush 10 is arranged on the upper mold, and the discharge hole of the sprue bush 10 is positioned above the main runner 312.
Specifically, the main runner 312 is transversely disposed on the molding plate body 310 and located below the sprue bush 10, a plurality of secondary runners 313 are disposed on two sides of the main runner 312 and are all communicated with the secondary runners 313, a branch runner 314 is disposed on two sides of each secondary runner 313 and is all communicated with the branch runner 314, and the branch runners 314 are in one-to-one correspondence with the cavities 311.
Further, the secondary flow channel 313 is disposed perpendicular to the main flow channel 312, and the sub-flow channel 314 is disposed perpendicular to the secondary flow channel 313.
Furthermore, every two adjacent cavities 311 are connected by a connecting groove 91, and two protrusions 92 are arranged in the connecting groove 91. Further, a plurality of cooling water holes 318 are transversely formed in the lower molding plate 31, and the cooling water holes 318 are used for externally connecting cooling water.
As shown in fig. 8:
specifically, thimble 41 is cylindric, thimble 41 bottom is equipped with thimble base 411, thimble base 411 with lower mould apron 33 fixed connection, department's section of thick bamboo 42 is hollow tubular structure, department's section of thick bamboo 42 internal diameter equals thimble 41's external diameter, department's section of thick bamboo 42 highly is less than thimble 41's height, the outer wall of department's section of thick bamboo 42 bottom is equipped with annular arch 421, department's section of thick bamboo 42 annular arch 421 with thimble board 35 butt.
As shown in fig. 7:
further, still include four release links 60, lower profiled sheeting 31 is the rectangle structure, four angles of lower profiled sheeting 31 all are equipped with release link hole 315, the bottom of release link 60 is fixed in thimble board 35, the top of release link 60 peg graft in release link hole 315, release link 60 with release link hole 315 one-to-one.
Further, the mold also includes four guide posts 70, the upper molding plate 22 has four guide holes 316, the guide posts 70 penetrate through the lower molding plate 31 and are fixedly connected with the lower molding plate 31, the tops of the guide posts 70 are inserted into the guide holes 316, and the guide posts 60 are in one-to-one correspondence with the guide holes 316. The upper and lower forming plates 22 and 31 move up and down along the guide posts 60.
Further, still include a plurality of material pulling hooks 80, material pulling hook 80 bottom is fixed in thimble board 35, be equipped with a plurality of material pulling hook holes 317 in the runner, material pulling hook 80 top is located in material pulling hook hole 317, material pulling hook hole 317 with material pulling hook 80 one-to-one. Wherein, the material pulling hook 80 is used for assisting in ejecting the full button of the dumbbell.
The working principle is as follows:
when the dumbbell full-buckle die is used for injection molding, the molten material enters the main runner from the sprue bush and respectively carries out corresponding cavities through the secondary runner and the sub-runner;
after injection molding, the upper mold forming plate moves upwards, the ejector sleeve of the sleeve type thimble upwards buckles the dumbbell completely under the driving of the thimble plate to be ejected, and at the moment, because the distance between the first sprue and the second sprue of the pouring channel and the top is not more than 1mm, the sprue of the dumbbell completely buckles can be automatically cut when the dumbbell completely buckles the demolding.
Therefore, the dumbbell full-buckle mold can cut the sprue through the design of the pouring channel, the appearance consistency of the sprue separation part is guaranteed through the automation of sprue separation, and the problem that the appearance consistency of the sprue separation part cannot be guaranteed through the traditional manual sprue separation process is solved.
And the design of bushing type thimble, simple structure has just realized the automation of dumbbell full-button drawing of patterns technology, and convenient operation safety has greatly improved the finished product qualification rate.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, similar modifications and improvements can be made without departing from the inventive concept, and these should also be considered as within the protection scope of the present invention.
Claims (3)
1. Dumbbell full-buckling mould bushing type ejector pin, its characterized in that includes:
the ejector pin (41), the ejector pin (41) is cylindrical, and an ejector pin base (411) is arranged at the bottom of the ejector pin (41);
the ejector sleeve (42) is of a hollow tubular structure, the ejector sleeve (42) is sleeved on the ejector pin (41), the inner diameter of the ejector sleeve (42) is equal to the outer diameter of the ejector pin (41), the ejector sleeve (42) is smaller than the ejector pin, and an annular bulge (421) is arranged on the outer wall of the bottom of the ejector sleeve (42).
2. The ejection device of the dumbbell full-buckling mold is characterized by comprising a plurality of sleeve type ejector rods, a lower mold cover plate (33), an ejector plate (35) and an ejector cover plate (34) in claim 1, wherein the lower mold cover plate (33) is located below the ejector plate (35), the ejector plate (35) is located below the ejector cover plate (34) and is fixedly connected with the ejector cover plate (34), an ejector base (411) is fixedly connected with the lower mold cover plate (33), an ejector pin (41) penetrates through the ejector plate (35), the ejector cover plate (34) and a lower forming plate (31), an ejector sleeve (42) penetrates through the ejector cover plate (34) and an annular protrusion (421) of the ejector sleeve (42) is abutted to the ejector plate (35), and the top of the ejector sleeve (42) is located in a cavity (311).
3. The ejection device of the dumbbell full-buckling mold according to claim 2, further comprising a positioning sleeve (24), wherein the positioning sleeve (24) is of a hollow cylindrical structure, an annular protrusion is arranged at the top of the positioning sleeve (24), the positioning sleeve (24) is inserted into the positioning hole (23) of the upper forming plate (22), the annular protrusion of the positioning sleeve (24) abuts against the top of the upper forming plate (22), and the top of the ejector pin (41) is inserted into the positioning sleeve (24).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021280117.7U CN213260898U (en) | 2020-07-02 | 2020-07-02 | Sleeve type ejector rod and ejector device of dumbbell full-buckling die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021280117.7U CN213260898U (en) | 2020-07-02 | 2020-07-02 | Sleeve type ejector rod and ejector device of dumbbell full-buckling die |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213260898U true CN213260898U (en) | 2021-05-25 |
Family
ID=75958363
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021280117.7U Active CN213260898U (en) | 2020-07-02 | 2020-07-02 | Sleeve type ejector rod and ejector device of dumbbell full-buckling die |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213260898U (en) |
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2020
- 2020-07-02 CN CN202021280117.7U patent/CN213260898U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240123 Address after: 226400 8 Yang Kou Road, Yang Kou Town, Rudong County, Nantong, Jiangsu. Patentee after: Jiangsu Baihai New Materials Co.,Ltd. Country or region after: China Address before: 226000 No.8, Yangkou Avenue, Yangkou Town, Rudong County, Nantong City, Jiangsu Province Patentee before: Jiangsu Baihai Environmental Protection Technology Group Co.,Ltd. Country or region before: China |
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| TR01 | Transfer of patent right |