CN215242521U - High-precision injection molding mold with in-mold insert block type structure - Google Patents
High-precision injection molding mold with in-mold insert block type structure Download PDFInfo
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- CN215242521U CN215242521U CN202121319017.5U CN202121319017U CN215242521U CN 215242521 U CN215242521 U CN 215242521U CN 202121319017 U CN202121319017 U CN 202121319017U CN 215242521 U CN215242521 U CN 215242521U
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Abstract
The utility model belongs to the technical field of the mould, especially, relate to a high accuracy injection moulding mould with insert formula structure in mould. The utility model discloses, including the mould of moulding plastics and the lower mould of moulding plastics, the lower mould below of moulding plastics be equipped with the liftout plate mount, mould plastics lower mould and liftout plate mount between be equipped with location joint spare, location joint spare one end and the lower mould looks butt of moulding plastics, the other end and liftout plate mount looks butt. The utility model discloses a set up the mould internal forming face subassembly of inserting, can cooperate the lower mould of moulding plastics to carry out the formation of die cavity, improved the mould internal forming precision to adopt the mosaic structure, can be convenient for maintain and change, reduce maintenance and manufacturing cost, location joint spare can make mould plastics the lower mould and carry out the accurate positioning with the liftout plate mount when the compound die, has improved the precision of compound die.
Description
Technical Field
The utility model belongs to the technical field of the mould, a high accuracy injection moulding mould with insert formula structure in mould is related to.
Background
The mould is various moulds and tools for obtaining required products by injection molding, blow molding, extrusion, die casting or forging forming, smelting, stamping and other methods in industrial production. In short, a mold is a tool used to make a shaped article, the tool being made up of various parts, different molds being made up of different parts. The processing of the appearance of an article is realized mainly through the change of the physical state of a formed material. At present, in the process of forming a cavity by upper and lower mould closing moulds of an injection mould on the market, the forming precision in the mould is general due to the complexity of the shape of the cavity, and the whole part of the forming part of the mould cavity needs to be replaced after being damaged, so that the maintenance and production cost is high.
In order to overcome the defects of the prior art, people continuously explore and propose various solutions, for example, a chinese patent discloses an injection mold [ application number: 202010343534.X ], comprises a moving die, a fixed die and a driving assembly. The movable mold comprises a movable mold plate and a plurality of upper mold cores which are respectively arranged on the movable mold plate. The fixed die comprises a fixed die plate, a plurality of lower die cores and a cooling assembly, wherein the lower die cores are used for being matched with the upper die cores respectively to perform injection molding, and the cooling assembly is used for cooling products in the upper die cores respectively. According to the cooling device, the cooling component is arranged between two adjacent lower mold cores, when one upper mold core and the corresponding lower mold core are subjected to injection molding to form a semi-finished product, the driving component drives the movable mold plate to rotate so as to align the upper mold core and the cooling component, and the cooling component can cool the semi-finished product; and then, the driving assembly can drive the movable template to rotate to the position of the next lower die core for alignment again so as to perform the next injection molding process. Compared with the traditional continuous injection molding process, the multi-process injection molding quality can be improved through the continuous injection molding-cooling-injection molding-cooling cyclic operation steps, and the yield of products is further improved. However, in the process of forming the cavity by closing the upper die and the lower die, the in-die forming precision is still relatively common, and when the forming part of the die cavity of the die is damaged, the whole die needs to be replaced, so that the defects of high maintenance and production cost exist.
Disclosure of Invention
The utility model aims at the above-mentioned problem, a high accuracy injection moulding mould with insert formula structure in mould is provided.
In order to achieve the above purpose, the utility model adopts the following technical proposal:
the utility model provides a high accuracy injection moulding mould with insert formula structure in mould, includes the mould of moulding plastics and moulds plastics the lower mould, mould plastics lower mould below be equipped with the liftout plate mount, mould plastics lower mould and liftout plate mount between be equipped with location joint spare, location joint spare one end with mould plastics lower mould looks butt, the other end and liftout plate mount looks butt, the lower mould of moulding plastics in be equipped with the mould internal shaping face subassembly of inserting, the mould internal shaping face insert the subassembly and corresponding with the position of mould of moulding plastics, the mould plastics last mould top be equipped with the portion of moulding plastics.
In the above-mentioned high accuracy injection moulding mould with mould internal block type structure, the mould internal forming surface insert subassembly include a plurality of inner edge portion forming surface inserts and inner edge tip forming surface inserts that set up in the lower mould of moulding plastics, inner edge portion forming surface insert and inner edge tip forming surface insert top all be the arc, the lower mould of moulding plastics still be equipped with outer fringe forming surface insert portion, inner edge portion forming surface insert and inner edge tip forming surface insert respectively with the position of outer fringe forming surface insert portion corresponding.
In the above-mentioned high accuracy injection moulding mould with mould internal insert formula structure, outer fringe shaping surface insert portion include a plurality of outer fringe shaping inserts that set up in moulding plastics lower mould, outer fringe shaping insert and inner fringe limit portion shaping surface insert crisscross setting.
In foretell high accuracy injection moulding mould that has interior mould insert formula structure, location joint spare including set up in the lower mould positioning seat of the lower mould bottom of moulding plastics, lower mould positioning seat bottom be equipped with the locating hole, the liftout plate mount on be equipped with the location arch, the location arch and the cooperation of locating hole looks joint.
In the high-precision injection molding mold with the in-mold insert type structure, the ejector plate fixing frame is provided with a positioning seat clamping piece capable of linearly reciprocating along the horizontal direction, and the positioning seat clamping piece is in butt fit with the lower mold positioning seat.
In the above-mentioned high accuracy injection moulding mould with mould internal insert formula structure, the positioning seat holder including set up two positioning seat grip blocks on the liftout plate mount, the liftout plate mount on be equipped with the sharp driver, the power shaft of sharp driver link to each other with the positioning seat grip block, positioning seat grip block and lower mould positioning seat looks butt cooperation.
In the high-precision injection molding mold with the in-mold insert type structure, the ejector plate fixing frame is internally provided with the ejector rod fixing plate, and the ejector rod fixing plate is provided with a plurality of ejector rods.
In the high-precision injection molding mold with the in-mold insert type structure, the injection upper mold is internally provided with a plurality of transverse cooling pipes and longitudinal cooling pipes, and the central lines of the transverse cooling pipes are perpendicular to the central lines of the longitudinal cooling pipes.
In the above-mentioned high accuracy injection moulding mould with mould internal insert formula structure, the portion of moulding plastics including setting up in the injection moulding board at mould top of moulding plastics, injection moulding board and mould plastics between be equipped with the flow distribution plate.
In the high-precision injection molding mold with the in-mold insert type structure, the top of the injection upper mold is provided with a plurality of splitter plate deviation prevention strips which are symmetrical along the center line of the injection upper mold, and the splitter plate deviation prevention strips are in butt fit with the splitter plate.
Compared with the prior art, the utility model has the advantages of:
1. the utility model discloses a set up the mould internal forming face subassembly of inserting, can cooperate the lower mould of moulding plastics to carry out the formation of die cavity, improved the mould internal forming precision to adopt the mosaic structure, can be convenient for maintain and change, reduce maintenance and manufacturing cost, location joint spare can make mould plastics the lower mould and carry out the accurate positioning with the liftout plate mount when the compound die, has improved the precision of compound die.
2. The utility model discloses be close to the back at lower mould positioning seat and liftout plate mount, start sharp driver, the power shaft through sharp driver drives the positioning seat grip block and removes, carries out the centre gripping through the positioning seat grip block to lower mould positioning seat lateral part and fixes, avoids the lower mould positioning seat to take place to rock, has improved the steadiness of compound die.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.
Drawings
Fig. 1 is an exploded schematic view of the present invention.
Fig. 2 is an exploded view in another direction of the present invention.
Fig. 3 is a schematic structural view of the injection lower mold.
In the figure: the injection molding device comprises an injection molding upper die 1, an injection molding lower die 2, an ejector plate fixing frame 3, a positioning clamping piece 4, an in-die molding surface insert assembly 5, an injection molding part 6, an inner edge part molding surface insert 7, an inner edge end part molding surface insert 8, an outer edge molding surface insert part 9, an outer edge molding insert 10, a lower die positioning seat 11, a positioning hole 12, a positioning bulge 13, a positioning seat clamping piece 14, a positioning seat clamping plate 15, an ejector rod fixing plate 16, an ejector rod 17, a transverse cooling pipe 18, a longitudinal cooling pipe 19, an injection molding plate 20, a flow distribution plate 21 and a flow distribution plate deviation preventing strip 22.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings.
As shown in fig. 1-3, a high accuracy injection mold with insert formula structure in mould, including mould 1 and the lower mould 2 of moulding plastics, 2 below of moulding plastics lower mould be equipped with liftout plate mount 3, mould plastics lower mould 2 and liftout plate mount 3 between be equipped with location joint spare 4, 4 one end of location joint spare with mould 2 looks butt of moulding plastics lower mould, the other end and 3 looks butts of liftout plate mount, mould plastics lower mould 2 in be equipped with the mould internal shaping face subassembly 5 of inserting, the mould internal shaping face subassembly 5 of inserting corresponding with the position of mould 1 of moulding plastics, mould plastics upper mold 1 top be equipped with the portion of moulding plastics 6.
In this embodiment, in the process of moulding plastics, mould plastics upper die 1 and mould plastics lower die 2 and be close to each other, make mould plastics lower die 2 and form complete die cavity between the mould 1 of moulding plastics, pour into the die cavity into with the melting material from the portion of moulding plastics 6 in, the mould internal forming face inserts subassembly 5 can cooperate the lower mould 2 of moulding plastics to carry out the formation of die cavity, the mould internal forming precision has been improved, and adopt the mosaic structure, can be convenient for maintain and change, reduce maintenance and manufacturing cost, location joint spare 4 can make mould plastics lower die 2 and liftout plate mount 3 carry out the accurate positioning when the compound die, the precision of compound die has been improved.
Referring to fig. 1 and 3, the in-mold forming surface insert assembly 5 includes a plurality of inner edge forming surface inserts 7 and inner edge end forming surface inserts 8 disposed in the lower injection mold 2, the tops of the inner edge forming surface inserts 7 and the inner edge end forming surface inserts 8 are both arc-shaped, the lower injection mold 2 is further provided with an outer edge forming surface insert portion 9, and the inner edge forming surface inserts 7 and the inner edge end forming surface inserts 8 respectively correspond to the outer edge forming surface insert portions 9.
Specifically, after the injection lower die 2 and the injection upper die 1 approach each other, the inner edge part forming surface insert 7 and the inner edge end part forming surface insert 8 are used for matching with an inner edge part surface and an inner edge end part surface of a forming cavity, and the outer edge forming surface insert 9 is used for matching with an outer edge surface of the forming cavity, so that the forming precision of the cavity is improved, and the embedded structure is adopted, so that the maintenance and the replacement can be conveniently carried out, and the maintenance and the production cost can be reduced.
Referring to fig. 3, the outer edge forming surface insert part 9 includes a plurality of outer edge forming inserts 10 disposed in the injection lower mold 2, and the outer edge forming inserts 10 and the inner edge forming surface inserts 7 are disposed in a staggered manner.
In this embodiment, the outer edge forming insert 10 is used to cooperate with the outer edge surface of the forming cavity, so as to improve the forming accuracy of the forming cavity, and the outer edge forming insert 10 and the inner edge forming surface insert 7 are arranged in a staggered manner, so as to be reasonably distributed and convenient to disassemble and assemble.
The positioning clamping piece 4 comprises a lower die positioning seat 11 arranged at the bottom of the injection molding lower die 2, a positioning hole 12 is formed in the bottom of the lower die positioning seat 11, a positioning bulge 13 is arranged on the ejector plate fixing frame 3, and the positioning bulge 13 is in clamping fit with the positioning hole 12.
In this embodiment, when the mold is closed, the lower mold positioning seat 11 is close to the positioning hole 12, and the positioning protrusion 13 is in clamping fit with the positioning hole 12, so that the injection molding lower mold 2 and the ejector plate fixing frame 3 can be accurately positioned when the mold is closed, and the mold closing precision is improved.
Referring to fig. 1 and 2, a positioning seat clamping piece 14 capable of performing reciprocating linear motion in the horizontal direction is arranged on the ejector plate fixing frame 3, and the positioning seat clamping piece 14 is in abutting fit with the lower die positioning seat 11.
In this embodiment, after the lower die positioning seat 11 is close to the ejector plate fixing frame 3, the side portion of the lower die positioning seat 11 is clamped and fixed by the positioning seat clamping piece 14, so that the lower die positioning seat 11 is prevented from shaking, and the stability of die assembly is improved.
The positioning seat clamping piece 14 comprises two positioning seat clamping plates 15 arranged on the ejection plate fixing frame 3, a linear driver is arranged on the ejection plate fixing frame 3, a power shaft of the linear driver is connected with the positioning seat clamping plates 15, and the positioning seat clamping plates 15 are in butt fit with the lower die positioning seat 11.
In this embodiment, after lower mould positioning seat 11 is close to with liftout plate mount 3, start the linear actuator, power shaft through the linear actuator drives positioning seat grip block 15 and removes, it is fixed to carry out the centre gripping to lower mould positioning seat 11 lateral part through positioning seat grip block 15, avoid lower mould positioning seat 11 to take place to rock, improved the steadiness of compound die, technical personnel in the art should understand, the linear actuator can be cylinder, hydro-cylinder or linear electric motor, the figure of linear actuator is not shown.
The ejector plate fixing frame 3 is internally provided with an ejector rod fixing plate 16, and the ejector rod fixing plate 16 is provided with a plurality of ejector rods 17.
In this embodiment, after completing the injection molding, the ejector rod fixing plate 16 is moved to drive the ejector rod 17 to move synchronously, and the plastic part is ejected through the ejector rod 17.
Referring to fig. 3, a plurality of transverse cooling pipes 18 and longitudinal cooling pipes 19 are arranged in the upper injection mold 1, and the center lines of the transverse cooling pipes 18 and the longitudinal cooling pipes 19 are perpendicular to each other.
In this embodiment, after the injection molding is completed, the cooling water is injected into the transverse cooling pipe 18 and the longitudinal cooling pipe 19, and the plastic part is cooled by the transverse cooling pipe 18 and the longitudinal cooling pipe 19, so that the cooling effect is good.
Referring to fig. 1 and 2, the injection molding part 6 includes an injection molding plate 20 disposed at the top of the injection molding upper mold 1, and a flow distribution plate 21 is disposed between the injection molding plate 20 and the injection molding upper mold 1.
In this embodiment, during injection molding, a molten material is injected from the injection molding plate 20, and then injected into the cavity through the flow distribution plate 21, thereby completing injection molding.
Referring to fig. 2, the top of the injection upper die 1 is provided with a plurality of splitter plate deviation prevention strips 22 which are symmetrical along the center line of the injection upper die 1, and the splitter plate deviation prevention strips 22 are in butt fit with the splitter plate 21.
In this embodiment, prevent the butt cooperation between inclined to one side strip 22 and the flow distribution plate 21 through the flow distribution plate, play the fixed action to flow distribution plate 21, avoid flow distribution plate 21 to take place circumference and deflect, improved the precision of moulding plastics.
The utility model discloses a theory of operation is:
in the injection molding process, the injection upper mold 1 and the injection lower mold 2 are close to each other, so that a complete cavity is formed between the injection lower mold 2 and the injection upper mold 1, the injection is completed by injecting the injection plate 20 and the flow distribution plate 21 into the cavity,
the inner edge part forming surface insert 7 and the inner edge end part forming surface insert 8 are used for matching the inner edge part surface and the inner edge end part surface of the forming cavity, the outer edge forming insert 10 is used for matching the outer edge surface of the forming cavity, the forming precision of the cavity is improved, and the embedded structure is adopted, so that the maintenance and the replacement can be conveniently carried out, the maintenance and the production cost are reduced,
when the die is closed, the lower die positioning seat 11 is close to the positioning hole 12, the lower injection die 2 and the ejector plate fixing frame 3 can be accurately positioned during die closing through the clamping fit between the positioning protrusion 13 and the positioning hole 12, the die closing precision is improved, after the lower die positioning seat 11 is close to the ejector plate fixing frame 3, the linear driver is started, the power shaft of the linear driver drives the positioning seat clamping plate 15 to move, the side part of the lower die positioning seat 11 is clamped and fixed through the positioning seat clamping plate 15, the lower die positioning seat 11 is prevented from shaking, and the die closing stability is improved,
after the completion of moulding plastics, pour into cooling water into in horizontal cooling tube 18 and vertical cooling tube 19, cool off through horizontal cooling tube 18 and vertical cooling tube 19 to moulding, the cooling effect is better, and after accomplishing the cooling, remove ejector pin fixed plate 16, drive ejector pin 17 synchronous motion, will mould a piece ejecting through ejector pin 17 can.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein will be apparent to those skilled in the art without departing from the spirit of the invention.
Although the terms of the injection upper mold 1, the injection lower mold 2, the ejector plate fixing frame 3, the positioning clamp 4, the in-mold molding surface insert assembly 5, the injection portion 6, the inner edge portion molding surface insert 7, the inner edge end portion molding surface insert 8, the outer edge molding surface insert portion 9, the outer edge molding insert 10, the lower mold positioning seat 11, the positioning hole 12, the positioning boss 13, the positioning seat clamping member 14, the positioning seat clamping plate 15, the ejector rod fixing plate 16, the ejector rod 17, the transverse cooling pipe 18, the longitudinal cooling pipe 19, the injection plate 20, the splitter plate 21, the splitter plate deviation prevention strip 22, and the like are used more frequently herein, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention and should not be interpreted as imposing any additional limitations that are contrary to the spirit of the present invention.
Claims (10)
1. The utility model provides a high accuracy injection moulding mould with insert formula structure in mould, is including mould plastics (1) and the lower mould (2) of moulding plastics, its characterized in that, lower mould (2) of moulding plastics below be equipped with ejector plate mount (3), lower mould (2) of moulding plastics and ejector plate mount (3) between be equipped with location joint spare (4), location joint spare (4) one end with mould plastics lower mould (2) looks butt, the other end and ejector plate mount (3) looks butt, lower mould (2) of moulding plastics in be equipped with the mould internal shaping face and insert subassembly (5), the mould internal shaping face insert subassembly (5) corresponding with the position of mould plastics upper mould (1), mould plastics upper mould (1) top be equipped with the portion of moulding plastics (6).
2. The high-precision injection molding die with the in-die insert type structure according to claim 1, wherein the in-die forming surface insert assembly (5) comprises a plurality of inner edge forming surface inserts (7) and inner edge end forming surface inserts (8) which are arranged in the injection lower die (2), the tops of the inner edge forming surface inserts (7) and the inner edge end forming surface inserts (8) are both arc-shaped, an outer edge forming surface insert part (9) is further arranged in the injection lower die (2), and the inner edge forming surface inserts (7) and the inner edge end forming surface inserts (8) respectively correspond to the positions of the outer edge forming surface insert parts (9).
3. The high-precision injection molding die with the in-die insert type structure according to claim 2, wherein the outer edge forming surface insert part (9) comprises a plurality of outer edge forming inserts (10) arranged in the injection lower die (2), and the outer edge forming inserts (10) and the inner edge forming surface inserts (7) are arranged in a staggered manner.
4. The high-precision injection mold with the in-mold insert type structure as claimed in claim 3, wherein the positioning fastener (4) comprises a lower mold positioning seat (11) disposed at the bottom of the lower injection mold (2), a positioning hole (12) is disposed at the bottom of the lower mold positioning seat (11), a positioning protrusion (13) is disposed on the ejector plate fixing frame (3), and the positioning protrusion (13) is engaged with the positioning hole (12).
5. The high-precision injection mold with the in-mold insert type structure according to claim 4, wherein the ejector plate holder (3) is provided with a positioning seat holder (14) capable of reciprocating linearly in a horizontal direction, and the positioning seat holder (14) is in abutting fit with the lower mold positioning seat (11).
6. The high-precision injection molding mold with the in-mold insert type structure as claimed in claim 5, wherein the positioning seat clamping member (14) comprises two positioning seat clamping plates (15) arranged on the ejector plate fixing frame (3), a linear driver is arranged on the ejector plate fixing frame (3), a power shaft of the linear driver is connected with the positioning seat clamping plates (15), and the positioning seat clamping plates (15) are in abutting fit with the lower mold positioning seat (11).
7. The high-precision injection molding mold with the in-mold insert type structure according to claim 6, wherein the ejector plate fixing frame (3) is internally provided with an ejector rod fixing plate (16), and the ejector rod fixing plate (16) is provided with a plurality of ejector rods (17).
8. The high-precision injection molding mold with the in-mold insert type structure according to claim 7, wherein a plurality of transverse cooling pipes (18) and longitudinal cooling pipes (19) are arranged in the injection upper mold (1), and the center lines of the transverse cooling pipes (18) and the longitudinal cooling pipes (19) are perpendicular to each other.
9. The high-precision injection molding mold with the in-mold insert type structure according to claim 8, wherein the injection portion (6) comprises an injection plate (20) disposed at the top of the upper injection mold (1), and a splitter plate (21) is disposed between the injection plate (20) and the upper injection mold (1).
10. The high-precision injection molding mold with the in-mold insert type structure according to claim 9, wherein a plurality of splitter plate deviation prevention strips (22) symmetrical along the center line of the injection upper mold (1) are arranged at the top of the injection upper mold (1), and the splitter plate deviation prevention strips (22) are in abutting fit with the splitter plate (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121319017.5U CN215242521U (en) | 2021-06-11 | 2021-06-11 | High-precision injection molding mold with in-mold insert block type structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121319017.5U CN215242521U (en) | 2021-06-11 | 2021-06-11 | High-precision injection molding mold with in-mold insert block type structure |
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| Publication Number | Publication Date |
|---|---|
| CN215242521U true CN215242521U (en) | 2021-12-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121319017.5U Active CN215242521U (en) | 2021-06-11 | 2021-06-11 | High-precision injection molding mold with in-mold insert block type structure |
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|---|---|
| CN (1) | CN215242521U (en) |
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2021
- 2021-06-11 CN CN202121319017.5U patent/CN215242521U/en active Active
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