CN210940266U - Injection mold for producing industrial control relay shell - Google Patents
Injection mold for producing industrial control relay shell Download PDFInfo
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- CN210940266U CN210940266U CN201921821501.0U CN201921821501U CN210940266U CN 210940266 U CN210940266 U CN 210940266U CN 201921821501 U CN201921821501 U CN 201921821501U CN 210940266 U CN210940266 U CN 210940266U
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Abstract
The utility model relates to an injection mold of production industry control relay shell, including upper die base and die holder, the lower mould benevolence includes lower mould benevolence frame, fixed plate and shaping mould benevolence mold insert, a plurality of installation through-hole has evenly been arranged on the lower mould benevolence frame, all install a shaping mould benevolence mold insert in every installation through-hole, lower mould benevolence frame bottom withstands shaping mould benevolence mold insert lower extreme through the fixed plate, all independently form a die cavity between every shaping mould benevolence mold insert upper portion and the last mould benevolence, gliding kicking block about all installing in the both sides that lie in every shaping mould benevolence mold insert in the installation through-hole, the roof is installed to the die holder lower extreme. The utility model discloses a long screw of screwing can adjust the degree of depth that the locating piece inserted rectangular form breach, can finely tune the position of lower mould benevolence frame along with inserting of locating piece for the cooling hole of lower mould benevolence frame and the cooling hole and the mounting hole of mounting hole and die holder align, improve the installation accuracy, greatly reduced the mould cost.
Description
Technical Field
The utility model relates to an injection mold technical field especially relates to an injection mold of production industry control relay shell.
Background
The relay is usually made of thermosetting plastics, which are mainly used for heat insulation, wear resistance, insulation, high voltage resistance and other plastics used in severe environments, most of the thermosetting plastics are thermosetting plastics, and the common thermosetting plastics are phenolic resin, urea resin, melamine resin, unsaturated polyester resin, epoxy resin, organic silicon resin, polyurethane and the like. The relay is a control device frequently used in the field of electrical equipment control, and is generally used for outputting control instructions or controlling various electrical equipment, and the relay is generally arranged on a circuit node and controls a circuit where the relay is located through one or more relays. Along with the development of electrical equipment technology and the continuous expansion of relay function, the inner structure and the function of relay are more and more complicated, and all kinds of electric parts and circuits inside the relay are also increased along with the promotion of function, can effectively reduce the installation volume of relay under such structure and satisfy the modularization demand simultaneously.
And then higher requirements are put on the relay plastic product mold. The production level of the relay mold becomes an important mark for measuring the production level of an enterprise, and the research and development design capability of the relay product mold determines the quality and the benefit of the product and the development capability of a new product to a great extent.
The lower die core of the existing relay plastic product die is integrated, if a protrusion for forming an auxiliary product on the lower die core is damaged, the whole lower die core needs to be replaced, the maintenance cost is high, the size of a groove for installing the lower die core on a lower die base is slightly larger than that of the lower die core, and when the relay plastic product die is installed, in order to avoid the large installation errors of a cooling hole and a mounting hole of a die core frame and the cooling hole and the mounting hole of the lower die base, the aperture of the cooling hole and the aperture of the mounting hole are generally increased, but the die cost is greatly increased.
Disclosure of Invention
The technical problem to be solved by the utility model is to provide an injection mold for producing industrial relay shells, wherein the molding die core insert belongs to a vulnerable part, and needs to be replaced periodically, and the molding die core insert can be taken out from the bottom of the lower die core frame by loosening the fixing plate, so that the replacement is convenient, and the mold cost is greatly reduced; the depth of the positioning block inserted into the long strip-shaped notch can be adjusted by screwing the long screw, the cross section of the positioning block is in a right trapezoid shape, the position of the lower die core frame can be finely adjusted along with the insertion of the positioning block, so that the cooling hole and the mounting hole of the lower die core frame are aligned with the cooling hole and the mounting hole of the lower die base, the mounting precision is improved, and the die cost is greatly reduced.
The utility model provides a technical scheme that its technical problem adopted is: the utility model provides an injection mold of production industry control relay shell, includes upper die base and die holder, upper die base and die holder between install the last mould benevolence and the lower mould benevolence that stacks from top to bottom, the lower mould benevolence include lower mould benevolence frame, fixed plate and shaping mould benevolence mold insert, lower mould benevolence frame on evenly arranged a plurality of mounting hole, all install a shaping mould benevolence mold insert in every mounting hole, lower mould benevolence frame bottom withstand shaping mould benevolence mold insert lower extreme through the fixed plate, all independently form a die cavity between every shaping mould benevolence mold insert upper portion and the last mould benevolence, the mounting hole in lie in the both sides of every shaping mould benevolence mold insert and all install gliding kicking block from top to bottom, the die holder lower extreme install the roof, install the thimble that links to.
As right technical scheme a supplement, the equal vertical spout that is provided with about supplying the kicking block of both sides in the mounting through-hole.
As right technical scheme a supplement, die holder upper end middle part be provided with the rectangle recess that holds lower mould benevolence frame, rectangular form breach has all been opened at the front side middle part and the left side middle part of this rectangle recess, rectangular form breach in install the locating piece, the transversal right trapezoid of personally submitting of this locating piece, the locating piece pass through long screw and rectangular form breach bottom and link to each other.
As a supplement to the technical scheme of the utility model, the locating piece upper end open along length direction and have a word recess.
As right technical scheme a supplement, shaping mould benevolence mold insert embedded have a plurality of little mold inserts.
Has the advantages that: the utility model relates to an injection mold for producing industrial control relay shell, a plurality of installation through holes are evenly arranged on a lower mold core frame, a molding mold core insert is arranged in each installation through hole, a mold cavity is independently formed between the upper part of each molding mold core insert and an upper mold core, an industrial control relay shell is formed in each mold cavity, the molding mold core insert belongs to a wearing part, the molding mold core insert needs to be periodically replaced, a fixing plate is loosened, the molding mold core insert can be taken out from the bottom of the lower mold core frame, the replacement is convenient, and the mold cost is greatly reduced; the ejector pins drive the ejector blocks on the two sides of the mold core insert to move downwards, so that a product is ejected out, the contact area between the ejector blocks and the product is large, and the number of the ejector pins can be effectively reduced; the middle part of the front side and the middle part of the left side of the rectangular groove are both provided with long-strip-shaped gaps, the positioning block is inserted into the long-strip-shaped gaps, the depth of the positioning block inserted into the long-strip-shaped gaps can be adjusted by screwing long screws, the cross section of the positioning block is in a right trapezoid shape, and the position of the lower die core frame can be finely adjusted along with the insertion of the positioning block, so that the cooling hole and the mounting hole of the lower die core frame are aligned with the cooling hole and the mounting hole of the lower die base, the mounting precision is; because the particularity of the product structure of the industrial relay housing is realized, the inlaying structure of the forming die core insert and the small inserts is designed, and the precision die bed is adopted for processing, so that each insert can reach the micron-sized precision, the dimensional precision of the produced product is effectively guaranteed, the product defect caused by gas trapping can not be caused during die forming, and the product quality and the production benefit are improved.
Drawings
Fig. 1 is a schematic view of the internal structure of the present invention;
fig. 2 is a schematic structural view of a lower mold core frame according to the present invention;
fig. 3 is a schematic structural view of the lower die holder according to the present invention;
fig. 4 is a schematic structural diagram of the positioning block according to the present invention;
fig. 5 is a schematic structural view of the lower die holder according to the present invention;
fig. 6 is a schematic structural view of the insert, the ejector block and the thimble of the molding die core of the present invention.
The figure is as follows: 1. the die comprises an upper die base, 2, an upper die core, 3, a lower die base, 4, a lower die core frame, 5, a fixing plate, 6, a top plate, 7, an ejector pin, 8, an ejector block, 9, a forming die core insert, 10, an installation through hole, 11, a sliding groove, 12, a positioning block, 13, a long screw, 14, a straight-line groove, 15, a rectangular groove, 16, a long-strip-shaped notch, 17, a small insert, 18 and a limiting step.
Detailed Description
The present invention will be further described with reference to the following specific examples. It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Furthermore, it should be understood that various changes and modifications of the present invention may be made by those skilled in the art after reading the teachings of the present invention, and these equivalents also fall within the scope of the appended claims.
The embodiment of the utility model relates to an injection mold for producing industrial relay shells, as shown in figures 1-6, comprising an upper mold base 1 and a lower mold base 3, wherein an upper mold core 2 and a lower mold core which are stacked up and down are arranged between the upper mold base 1 and the lower mold base 3, the lower mold core comprises a lower mold core frame 4, a fixing plate 5 and a molding mold core insert 9, a plurality of installation through holes 10 are evenly arranged on the lower mold core frame 4, a molding mold core insert 9 is arranged in each installation through hole 10, the bottom of the lower mold core frame 4 props against the lower end of the molding mold core insert 9 through the fixing plate 5, a mold cavity is independently formed between the upper part of each molding mold core insert 9 and the upper mold core 2, the two sides of each molding mold core insert 9 in the installation through holes 10 are all provided with a top block 8 which slides up and down, the lower end of the lower mold base 3 is provided with, the top plate 6 is provided with a thimble 7 connected with a top block 8.
A plurality of mounting through holes 10 are uniformly arranged on the lower die core frame 4, a forming die core insert 9 is mounted in each mounting through hole 10, a die cavity is independently formed between the upper part of each forming die core insert 9 and the upper die core 2, and an industrial relay shell is formed in each die cavity. The forming die core insert 9 belongs to a quick-wear part, and needs to be replaced periodically, the fixing plate 5 is loosened, the forming die core insert 9 can be taken out from the bottom of the lower die core frame 4, the replacement is convenient, and the die cost is greatly reduced. The ejector pins 7 drive the ejector blocks 8 on two sides of the molding die core insert 9 to move up and down, so that the product is ejected out, the contact area between the ejector blocks 8 and the product is large, and the number of the ejector pins 7 can be effectively reduced. The front side and the rear side of the lower part of the molding die core insert 9 are both provided with a limiting step 18, and the limiting step 18 is used for buckling the opening at the lower end of the mounting through hole 10.
The lower end of the lower die core frame 4 is connected with a fixing plate 5 through a short screw.
And sliding grooves 11 for the top block 8 to slide up and down are vertically arranged on two sides in the mounting through hole 10.
The middle part of the upper end of the lower die holder 3 is provided with a rectangular groove 15 for accommodating the lower die core frame 4, the middle parts of the front side and the left side of the rectangular groove 15 are respectively provided with a long strip-shaped notch 16, a positioning block 12 is arranged in the long strip-shaped notch 16, the cross section of the positioning block 12 is in a right trapezoid shape, and the positioning block 12 is connected with the bottom of the long strip-shaped notch 16 through a long screw 13.
The upper end of the positioning block 12 is provided with a straight groove 14 along the length direction.
The forming die core insert 9 is embedded with a plurality of small inserts 17. Due to the particularity of the product structure of the industrial relay housing, the inlaying structure of the forming die core insert 9 and the small inserts 17 is designed, and a precise die bed is adopted for processing, so that each insert can reach micron-level precision, the dimensional precision of a produced product is effectively guaranteed, the product defects caused by gas trapping can not be caused during die forming, and the product quality and the production benefit are improved.
Claims (5)
1. The utility model provides an injection mold of production industry control relay shell, includes upper die base (1) and die holder (3), upper die base (1) and die holder (3) between install last mould benevolence (2) and the lower mould benevolence that stacks from top to bottom, its characterized in that: the lower mould benevolence include lower mould benevolence frame (4), fixed plate (5) and shaping mould benevolence mold insert (9), lower mould benevolence frame (4) on evenly arranged a plurality of installation through-hole (10), all install a shaping mould benevolence mold insert (9) in every installation through-hole (10), lower mould benevolence frame (4) bottom withstand shaping mould benevolence mold insert (9) lower extreme through fixed plate (5), all independently form a die cavity between every shaping mould benevolence mold insert (9) upper portion and the last mould benevolence (2), installation through-hole (10) in be located the both sides of every shaping mould benevolence mold insert (9) and all install gliding kicking block (8) from top to bottom, die holder (3) lower extreme install roof (6), install thimble (7) that link to each other with kicking block (8) on this roof (6).
2. The injection mold for producing the industrial relay housing as claimed in claim 1, wherein: and sliding grooves (11) for the ejection block (8) to slide up and down are vertically arranged on two sides in the mounting through hole (10).
3. The injection mold for producing the industrial relay housing as claimed in claim 1, wherein: lower bolster (3) upper end middle part be provided with rectangle recess (15) that hold lower mould benevolence frame (4), long form breach (16) have all been opened at the front side middle part and the left side middle part of this rectangle recess (15), long form breach (16) in install locating piece (12), the transversal right trapezoid of personally submitting of this locating piece (12), locating piece (12) link to each other bottom long form breach (16) through long screw (13).
4. The injection mold for producing the industrial relay housing according to claim 3, wherein: the upper end of the positioning block (12) is provided with a straight groove (14) along the length direction.
5. The injection mold for producing the industrial relay housing as claimed in claim 1, wherein: the forming die core insert (9) is embedded with a plurality of small inserts (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921821501.0U CN210940266U (en) | 2019-10-28 | 2019-10-28 | Injection mold for producing industrial control relay shell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921821501.0U CN210940266U (en) | 2019-10-28 | 2019-10-28 | Injection mold for producing industrial control relay shell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210940266U true CN210940266U (en) | 2020-07-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921821501.0U Active CN210940266U (en) | 2019-10-28 | 2019-10-28 | Injection mold for producing industrial control relay shell |
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|---|---|
| CN (1) | CN210940266U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114228047A (en) * | 2021-11-25 | 2022-03-25 | 上海超强精密模具有限公司 | Injection mold of tubulose cosmetics packaging product |
-
2019
- 2019-10-28 CN CN201921821501.0U patent/CN210940266U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114228047A (en) * | 2021-11-25 | 2022-03-25 | 上海超强精密模具有限公司 | Injection mold of tubulose cosmetics packaging product |
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