CN218700875U - Injection mold for manufacturing tail gate buffering fixing seat - Google Patents
Injection mold for manufacturing tail gate buffering fixing seat Download PDFInfo
- Publication number
- CN218700875U CN218700875U CN202222918295.3U CN202222918295U CN218700875U CN 218700875 U CN218700875 U CN 218700875U CN 202222918295 U CN202222918295 U CN 202222918295U CN 218700875 U CN218700875 U CN 218700875U
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- fixing seat
- disc
- insert
- mould
- injection mold
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- 238000002347 injection Methods 0.000 title claims abstract description 28
- 239000007924 injection Substances 0.000 title claims abstract description 28
- 230000003139 buffering effect Effects 0.000 title claims abstract description 12
- 238000004519 manufacturing process Methods 0.000 title claims description 13
- 239000000463 material Substances 0.000 claims description 10
- 230000000149 penetrating effect Effects 0.000 claims 1
- 238000007493 shaping process Methods 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 3
- 238000000034 method Methods 0.000 abstract description 3
- 230000008569 process Effects 0.000 abstract description 2
- 229920003023 plastic Polymers 0.000 description 10
- 239000004033 plastic Substances 0.000 description 10
- 238000001746 injection moulding Methods 0.000 description 7
- 230000006872 improvement Effects 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 229910001315 Tool steel Inorganic materials 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 229910000997 High-speed steel Inorganic materials 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 229910000746 Structural steel Inorganic materials 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The utility model relates to an injection mold for making tail-gate buffering fixing base, including upper die and lower mould, the upper die is equipped with the cavity that is used for holding the fixing base upper end, and the lower mould includes framed, mould benevolence is installed in framed, and mould benevolence is equipped with the chamber below the cavity of upper die, and the chamber inside activity that holds is equipped with the disc mold insert, is equipped with a plurality of concentric bulge loops that are used for shaping the buffering ring on the disc mold insert, the fixing base lower extreme install in hold the intracavity and be located the disc mold insert, be the buffering ring shaping region between disc mold insert and the fixing base bottom; the side surface of the bottom of the accommodating cavity is annularly provided with gear teeth, and the pitch and the shape of the gear teeth are matched with the outer contour of the lower end of the fixed seat. The disc insert is provided with a forming structure for forming the buffer ring at the bottom of the fixing seat, and the disc insert with different specifications can be replaced according to the size of the buffer ring by utilizing the characteristic that the disc insert is replaceable, so that one mould can process products with various specifications. Belongs to the technical field of moulds.
Description
Technical Field
The utility model belongs to the technical field of the mould, especially, relate to an injection mold for making tail-gate buffering fixing base.
Background
An injection mould is a plastic injection moulding machine, the plastic is first heated and melted in a heating cylinder at the bottom of the injection machine, then enters the mould cavity through the injection machine nozzle and the mould casting system under the push of the screw or plunger of the injection machine, the plastic is cooled, hardened and moulded, and the product is obtained after demoulding. The structure of the device is generally composed of a forming component, a pouring system, a guide component, a pushing mechanism, a temperature adjusting system, an exhaust system, a supporting component and the like. The manufacturing material usually adopts plastic mould steel module, and the commonly used material mainly comprises carbon structural steel, carbon tool steel, alloy tool steel, high-speed steel and the like. The injection molding processing mode is usually only suitable for the production of hot plastic products, the plastic products produced by the injection molding process are very wide, and the plastic products from daily necessities to various complex machinery, electric appliances, vehicle parts and the like are molded by injection molds, which is a processing method with the widest application in the production of the plastic products.
When the existing injection mold is a multicolor product, a secondary injection molding mode is generally adopted for processing, and the secondary injection molding processing is carried out. For example, the plastic part, namely the automobile tail gate buffer fixing seat, further comprises a flexible buffer ring on the bottom surface of the fixing seat, and the height dimensions of different fixing seat buffer rings are also different, so that when such a product is produced, a corresponding injection mold needs to be designed for each specification of buffer ring, and the production cost of an enterprise is greatly increased. Therefore, it is currently required to design an injection mold capable of processing fixing seats with various specifications.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a: the utility model provides an injection mold for making tail-gate buffering fixing base, the disc mold insert of changing different specifications according to the size of the buffering ring of fixing base bottom surface realizes that a mould processes multiple specification product.
The utility model adopts the technical proposal that: an injection mold for manufacturing a tail gate buffer fixing seat comprises an upper mold and a lower mold, wherein the upper mold is provided with a cavity for accommodating the upper end of the fixing seat, the lower mold comprises a mold frame and a mold core, the mold core is installed in the mold frame, an accommodating cavity is arranged below the cavity of the upper mold, a disc insert is movably assembled in the accommodating cavity, a plurality of concentric convex rings for forming the buffer rings are arranged on the disc insert, the lower end of the fixing seat is installed in the accommodating cavity and is positioned on the disc insert, and a buffer ring forming area is arranged between the disc insert and the bottom of the fixing seat; the side surface of the bottom of the accommodating cavity is annularly provided with gear teeth, and the pitch and the shape of the gear teeth are matched with the outer contour of the lower end of the fixed seat.
As an improvement, the surface of the gear teeth is provided with vertical corrugated grooves.
Preferably, the depth of the vertical corrugated groove is 0.2-0.5mm.
As an improvement, a supporting ejector rod is arranged at the center of the disc insert. Used for supporting the fixed seat.
As an improvement, the mold core comprises two groups of accommodating cavities, and an umbrella-shaped material injection channel is arranged between the two groups of accommodating cavities. The umbrella-shaped material injection channel has the advantages of reducing the number of the material injection channels and saving the time required by processing the die.
The technical effects of the utility model are that: the utility model relates to an injection mold for making tail-gate buffering fixing base sets up the shaping structure of shaping fixing base bottom buffering ring on the disc mold insert, utilizes this characteristic of removable of disc mold insert, can realize the multiple specification product of a mould processing to the disc mold insert of the different specifications of change according to buffering ring size of difference.
Drawings
Fig. 1 is a schematic view of a part of the structure of the present invention.
Fig. 2 is a schematic view of fig. 1 with the fixing base removed.
Fig. 3 is a top view of fig. 1.
Fig. 4 is a sectional view of fig. 3.
FIG. 5 is a schematic view of a mold insert.
Fig. 6 is a schematic view of the fixing base.
In the figure: a fixed seat 1; a buffer ring 1.1; a mold frame 2; a mold core 3; the accommodating cavity 3.1; gear teeth 3.2; an umbrella-shaped material injection channel 3.3; a disc insert 4; a concentric convex ring 4.1; supporting the top bar 4.2.
Detailed Description
The following description is provided to disclose the invention so as to enable any person skilled in the art to practice the invention. The preferred embodiments in the following description are given by way of example only, and other obvious variations will occur to those skilled in the art.
As shown in fig. 1-6, the utility model relates to an injection mold for manufacturing a tailgate buffer fixing seat, which comprises an upper mold and a lower mold, wherein the upper mold is provided with a cavity for accommodating the upper end of a fixing seat 1, the lower mold comprises a mold frame 2 and a mold core 3, the mold core 3 is installed in the mold frame 2, the mold core 3 is provided with an accommodating cavity 3.1 below the cavity of the upper mold, when the mold is closed, the upper end of the fixing seat 1 is positioned in the cavity, and the lower end of the fixing seat 1 is installed in the accommodating cavity 3.1; the disc insert 4 is movably assembled in the accommodating cavity 3.1, a plurality of concentric convex rings 4.1 for forming the buffer ring 1.1 are arranged on the disc insert 4, and the specification of the buffer ring 1.1 is determined by the height of the concentric convex rings 4.1, so that the disc inserts with different specifications need to be replaced for the buffer rings 1.1 with different specifications.
In order to mold the cushion ring 1.1, the lower end of the fixing base 1 is installed in the accommodating cavity 3.1 and located on the disc insert 4, and a molding area of the cushion ring 1.1 is formed between the disc insert 4 and the bottom of the fixing base 1. In order to better prevent the fixed seat 1 from rotating, the side surface of the bottom of the accommodating cavity 3.1 is annularly provided with gear teeth 3.2, and the tooth pitch and the shape of the gear teeth 3.2 are matched with the outer contour of the lower end of the fixed seat 1. Because the in-process mould of moulding plastics can heat up, especially the temperature of fixing base 1 also can rise along with it, consequently under expend with heat and contract with cold effect, fixing base 1 can be normal deformation of body regulation, easily make fixing base 1 and hold the frictional force grow between the chamber 3.1, difficult drawing of patterns, consequently, another embodiment is provided with vertical corrugated groove with the surface of teeth of a cogwheel 3.2, the fixing base 1 outer wall of the deformation of being convenient for can have partial morphotropism to get into vertical corrugated groove, alleviate fixing base 1 and hold the frictional force between the chamber 3.1 inner wall, the drawing of patterns of being convenient for. In this embodiment, in order to improve the production efficiency, the mold insert 3 includes two sets of accommodating cavities 3.1, and the mold insert 3 has an umbrella-shaped material injection passage 3.3 between the two sets of accommodating cavities 3.1.
The depth of the vertical corrugated groove is processed to be 0.2-0.5mm according to the requirement.
On the basis of this embodiment, disc mold insert 4 center is provided with support ejector pin 4.2 for support fixing base 1, improve fixing base 1's installation stability.
The utility model discloses a theory of operation is: mounting an upper die and a lower die on an injection molding machine, injecting materials into an accommodating cavity 3.1 by the injection molding machine through an umbrella-shaped material injection channel 3.3 in a die closing state, and demolding after cooling; if the fixing seats 1 with different plans need to be machined, only the disc insert 4 needs to be replaced.
The basic principles, main features and advantages of the present invention have been described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the principles of the present invention may be applied to any other embodiment without departing from the spirit and scope of the present invention.
Claims (5)
1. The utility model provides an injection mold for making tail-gate buffering fixing base, includes mould and lower mould, its characterized in that: the upper die is provided with a cavity for accommodating the upper end of the fixing seat (1), the lower die comprises a die frame (2) and a die core (3), the die core (3) is installed in the die frame (2), an accommodating cavity (3.1) is formed below the cavity of the upper die of the die core (3), a disc insert (4) is movably assembled in the accommodating cavity (3.1), the disc insert (4) is provided with a plurality of concentric convex rings (4.1) for forming the buffer ring (1.1), the lower end of the fixing seat (1) is installed in the accommodating cavity (3.1) and is positioned on the disc insert (4), and a buffer ring (1.1) forming area is formed between the disc insert (4) and the bottom of the fixing seat (1); the side surface of the bottom of the accommodating cavity (3.1) is annularly provided with gear teeth (3.2), and the pitch and the shape of the gear teeth (3.2) are matched with the outer contour of the lower end of the fixed seat (1).
2. The injection mold for manufacturing the buffer fixing seat of the tail gate as claimed in claim 1, wherein: the surface of the gear teeth (3.2) is provided with vertical corrugated grooves.
3. The injection mold for manufacturing the buffer fixing seat of the tail gate as claimed in claim 2, wherein: the depth of the vertical corrugated groove is 0.2-0.5mm.
4. The injection mold for manufacturing the buffer fixing seat of the tail gate as claimed in claim 1, wherein: the mould core (3) comprises two groups of accommodating cavities (3.1), and an umbrella-shaped material injection channel (3.3) is arranged between the two groups of accommodating cavities (3.1) of the mould core (3).
5. The injection mold for manufacturing the buffer fixing seat of the tail gate as claimed in claim 1, wherein: and a supporting ejector rod (4.2) is arranged at the center of the disc insert (4) in a penetrating manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222918295.3U CN218700875U (en) | 2022-10-31 | 2022-10-31 | Injection mold for manufacturing tail gate buffering fixing seat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222918295.3U CN218700875U (en) | 2022-10-31 | 2022-10-31 | Injection mold for manufacturing tail gate buffering fixing seat |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218700875U true CN218700875U (en) | 2023-03-24 |
Family
ID=85599158
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222918295.3U Active CN218700875U (en) | 2022-10-31 | 2022-10-31 | Injection mold for manufacturing tail gate buffering fixing seat |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218700875U (en) |
-
2022
- 2022-10-31 CN CN202222918295.3U patent/CN218700875U/en active Active
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