CN211591111U - Injection molding die for lamp - Google Patents

Injection molding die for lamp Download PDF

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Publication number
CN211591111U
CN211591111U CN201922175550.8U CN201922175550U CN211591111U CN 211591111 U CN211591111 U CN 211591111U CN 201922175550 U CN201922175550 U CN 201922175550U CN 211591111 U CN211591111 U CN 211591111U
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China
Prior art keywords
plate
die
sliding
mould
injection molding
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Application number
CN201922175550.8U
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Chinese (zh)
Inventor
徐新立
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Cixi Fns Electronic Technology Co ltd
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Cixi Fns Electronic Technology Co ltd
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Priority to CN201922175550.8U priority Critical patent/CN211591111U/en
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Abstract

The utility model discloses a lamp injection molding die, which comprises a bottom plate, an ejector plate, a lower die fixing plate, a lower die plate, an upper die plate and an upper die plate which are sequentially stacked; a mould foot is arranged between the bottom plate and the lower mould fixing plate and is positioned at two sides of the ejector pin plate; the thimble plate is provided with a thimble; the upper template and the lower template are matched to form a cavity matched with the shape of the required lamp; and a mould groove is formed in the lower template, a plurality of sliding moulds are arranged in the mould groove in a sliding manner, and the sliding moulds open the mould for the first time in the four-side sliding stroke of the lower template. The utility model discloses can mould plastics global lamp body class product of tiny bulge structure of upper band, make the mould break away from the bulge structure earlier when the die sinking, avoid knocking absolutely.

Description

Injection molding die for lamp
Technical Field
The utility model relates to a lamps and lanterns injection moulding mould.
Background
Injection molding (or injection molding) is a molding method that combines injection molding with molding. The injection molding material is injected into the injection mold, so that the injection molding part conforming to the injection mold is formed in the cooling process, and the manufacture of complex products can be efficiently and quickly realized.
The injection mold is a processing method used for batch production of parts with complex shapes, and is mainly applied to the industrial field.
The plastic shell of a common lamp is formed by injection molding, defective products are easily generated when the mould is opened after the injection molding due to the special shape of the lamp shell, and fine structures on the shell are pulled apart by the mould, such as wire drawing and the like; particularly, when the lamp housing has a protrusion integrally formed with the housing on the peripheral surface, the protrusion is easily broken when the mold is opened, thereby generating inferior products.
Disclosure of Invention
In order to solve the above problems existing in the prior art, the utility model provides a mould for lamps and lanterns injection moulding.
The technical proposal of the utility model for solving the technical problem is that:
a lamp injection molding die comprises a bottom plate, an ejector plate, a lower die fixing plate, a lower die plate, an upper die plate and an upper die panel which are sequentially stacked; a mould foot is arranged between the bottom plate and the lower mould fixing plate and is positioned at two sides of the ejector pin plate; the thimble plate is provided with a thimble; the upper template and the lower template are matched to form a cavity matched with the shape of the required lamp; an injection molding port is formed in the upper die panel and is communicated with the cavity through a hot runner; and a mould groove is formed in the lower template, a plurality of sliding moulds are arranged in the mould groove in a sliding manner, and the sliding moulds open the mould for the first time in the four-side sliding stroke of the lower template.
As a further description of the above technical solution:
the end surface of the inner side of each sliding mode is a curved surface, and the end surfaces of the inner sides of adjacent sliding modes are connected end to form a circular ring surface; and a shaft hole is formed in the end surface of the outer side of the sliding mode.
As a further description of the above technical solution:
and a groove is formed in the middle of the end face of the inner side of the sliding form.
As a further description of the above technical solution:
the sliding mould is characterized in that a dovetail groove is formed in the bottom of the sliding mould, and a sliding rail is arranged in the mould groove and matched with the dovetail groove.
As a further description of the above technical solution:
and a positioning column with a thimble hole is arranged in the middle of the die cavity.
As a further description of the above technical solution:
the upper die plate is internally provided with a guide pillar matched with the positioning pillar, and the top end of the guide pillar is provided with a positioning groove.
As a further description of the above technical solution:
the number of the sliding molds is 4, and the sliding molds are respectively arranged on four surfaces of the mold cavity.
The utility model discloses when using, the drive shaft on the external drive subassembly is connected with the shaft hole on the slipform, and the drive slipform moves to the die cavity inboard, until four slipforms concatenation formation and the unanimous die cavity of lamps and lanterns shell appearance, the mould compound die, the reference column is pegged graft with the guide pillar cooperation, and the injection molding machine forms required lamps and lanterns lamp body with the raw materials of moulding plastics of melting through the hot runner in moulding plastics the die cavity.
When the mold is opened, the upper mold plate and the upper mold plate are separated from the lower mold plate, the external driving assembly is started, the sliding mold is pulled out in four directions, and after the sliding mold is separated from a product, the ejector pins eject the product.
The beneficial effects of the utility model reside in that:
1. compared with the prior art, the utility model discloses can mould plastics global lamp body class product of the tiny convex structure of upper band, make the mould break away from the convex structure earlier when the die sinking, avoid knocking apart.
2. Compared with the prior art, the utility model discloses simple structure, convenient operation only needs to change inside slipform during the different structures of moulding plastics, and the suitability is strong, can use widely.
Drawings
Fig. 1 is a structural view of the present invention.
Fig. 2 is an exploded view of the present invention.
FIG. 3 is a cross-sectional view of the upper and lower mold plates after the mold has been closed.
Fig. 4 is a structural view of the upper template.
The attached drawings are marked with: 1. the injection molding device comprises a base plate, 2, an ejector plate, 3, a lower die fixing plate, 4, a lower die plate, 5, an upper die plate, 6, an upper die panel, 7, a die pin, 8, an ejector pin, 401, a die groove, 402, a sliding die, 601, an injection molding opening, 4021, a shaft hole, 4022, a groove, 4011, a sliding rail, 4023, a dovetail groove, 4012, a positioning column, 501, a guide column, 5011 and a positioning groove.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1-4, a lamp injection molding mold comprises a bottom plate 1, an ejector plate 2, a lower mold fixing plate 3, a lower mold plate 4, an upper mold plate 5 and an upper mold plate 6 which are sequentially stacked; a mould foot 7 is arranged between the bottom plate 1 and the lower mould fixing plate 3, and the mould foot 7 is positioned at two sides of the ejector pin plate 2; the thimble plate 2 is provided with a thimble 8; the upper template 5 and the lower template 4 are matched to form a cavity matched with the shape of the required lamp; an injection molding port 601 is formed in the upper die panel 6 and communicated with the cavity through a hot runner; the lower template 4 is provided with a mold cavity 401, a plurality of sliding molds 402 are arranged in the mold cavity 401 in a sliding mode, and the sliding molds 402 slide towards four sides of the lower template 4 to form first mold opening.
As a further description of the above technical solution:
the end surface of the inner side of the sliding mold 402 is a curved surface, and the end surfaces of the inner sides of the adjacent sliding molds 402 are connected end to form a circular ring surface; and the outer side end face of the sliding mould is provided with a shaft hole 4021, and the shaft hole 4021 can be connected with an external driving assembly.
As a further description of the above technical solution:
the middle of the end surface of the inner side of the sliding form 402 is provided with a groove 4022. The groove 4022 is part of the mold cavity.
As a further description of the above technical solution:
a dovetail groove 4023 is formed in the bottom of the sliding die 402, and a sliding rail 4011 is arranged in the die cavity 401 and matched with the dovetail groove 4023.
As a further description of the above technical solution:
and a positioning column 4012 with a thimble hole is arranged in the middle of the die cavity 401. After the mold is opened, the ejector pins 8 can extend above the positioning columns 4012 to eject the product.
As a further description of the above technical solution:
a guide pillar 501 matched with the positioning pillar 4012 is arranged in the upper template 5, and a positioning groove 5011 is arranged at the top end of the guide pillar 501. When the die is closed, the positioning column 4012 is inserted into the positioning slot 5011.
As a further description of the above technical solution:
there are 4 slip forms 402, which are respectively disposed on four faces of the mold cavity 401.
When the lamp shell injection molding machine is used, a driving shaft on the external driving assembly is connected with a shaft hole on the sliding die to drive the sliding die to move towards the inner side of the die cavity until the four sliding dies are spliced to form a cavity with the same appearance as the lamp shell, the die is assembled, the positioning column is matched and inserted with the guide column, and the injection molding machine injects a molten injection molding raw material into the cavity through the hot runner to form the required lamp shell of the lamp.
When the mold is opened, the upper mold plate and the upper mold plate are separated from the lower mold plate, the external driving assembly is started, the sliding mold is pulled out in four directions, and after the sliding mold is separated from a product, the ejector pins eject the product.
The advantages of this embodiment are:
1. compared with the prior art, the utility model can mould the lamp shell products with fine convex structures on the circumferential surface, and the mould is separated from the convex structures when the mould is opened, so as to avoid the collision;
2. compared with the prior art, the utility model discloses simple structure, convenient operation only needs to change inside slipform during different structures of moulding plastics, and the suitability is strong, can use widely
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims (7)

1. A lamp injection molding die comprises a bottom plate, an ejector plate, a lower die fixing plate, a lower die plate, an upper die plate and an upper die panel which are sequentially stacked; a mould foot is arranged between the bottom plate and the lower mould fixing plate and is positioned at two sides of the ejector pin plate; the thimble plate is provided with a thimble; the upper template and the lower template are matched to form a cavity matched with the shape of the required lamp;
the method is characterized in that: the lower die plate is provided with a die cavity, a plurality of sliding forms are arranged in the die cavity in a sliding mode, and the sliding forms slide towards the four sides of the lower die plate to form first die opening.
2. A lamp injection molding die as claimed in claim 1, wherein: the end surface of the inner side of each sliding mode is a curved surface, and the end surfaces of the inner sides of adjacent sliding modes are connected end to form a circular ring surface; and a shaft hole is formed in the end surface of the outer side of the sliding mode.
3. A lamp injection molding die as claimed in claim 2, wherein: and a groove is formed in the middle of the end surface of the inner side of the sliding form.
4. A lamp injection molding die as claimed in claim 1, wherein: the sliding mould is characterized in that a dovetail groove is formed in the bottom of the sliding mould, and a sliding rail is arranged in the mould groove and matched with the dovetail groove.
5. A lamp injection molding die as claimed in claim 1, wherein: and a positioning column is arranged in the middle of the die cavity.
6. A lamp injection molding die as claimed in claim 1, wherein: the upper die plate is internally provided with a guide pillar matched with the positioning pillar, and the top end of the guide pillar is provided with a positioning groove.
7. A lamp injection molding die as claimed in claim 1, wherein: the number of the sliding molds is 4, and the sliding molds are respectively arranged on four surfaces of the mold cavity.
CN201922175550.8U 2019-12-08 2019-12-08 Injection molding die for lamp Active CN211591111U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201922175550.8U CN211591111U (en) 2019-12-08 2019-12-08 Injection molding die for lamp

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201922175550.8U CN211591111U (en) 2019-12-08 2019-12-08 Injection molding die for lamp

Publications (1)

Publication Number Publication Date
CN211591111U true CN211591111U (en) 2020-09-29

Family

ID=72591063

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201922175550.8U Active CN211591111U (en) 2019-12-08 2019-12-08 Injection molding die for lamp

Country Status (1)

Country Link
CN (1) CN211591111U (en)

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