CN214562640U - Secondary is insert for injection mold - Google Patents
Secondary is insert for injection mold Download PDFInfo
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- CN214562640U CN214562640U CN202120836675.5U CN202120836675U CN214562640U CN 214562640 U CN214562640 U CN 214562640U CN 202120836675 U CN202120836675 U CN 202120836675U CN 214562640 U CN214562640 U CN 214562640U
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- groove
- moving part
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- guide
- runner
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Abstract
The utility model discloses a secondary injection mold is with inserting, including inserting the body, the initiative moving part, the drive lead screw, passive moving part, guide block and compression spring, the body of inserting has been seted up into the runner, the runner groove, first guide way, second guide way and movable groove, the initiative moving part includes the web portion, the guide plate portion, activity plate portion and end cap, the lead screw hole has been seted up to the web portion, the outer end of activity plate portion is fixed with the end cap, the end cap is equipped with cutting edge and feedstock channel, the upside of passive moving part is fixed with the guide block, install compression spring between the outer end of passive moving part and the inner chamber outside of movable groove. The utility model has reasonable structural design, the insert block body utilizes the driving screw rod to drive the active moving part to carry out horizontal displacement, thereby realizing the adjustment of the length of the runner, meeting the requirements of different die cavities and having better universality; meanwhile, the mold material cutting device has an in-mold cutting function and can cut off the mold material in the flow channel after the product is molded.
Description
Technical Field
The utility model relates to an injection mold technical field especially relates to a secondary injection mold is with inserting.
Background
The secondary injection molding can be realized by two-color injection molding and rubber coating injection molding, and the two-color injection molding realizes the secondary injection molding by using a professional two-color injection molding machine and a special two-color injection mold. Adopt injection mold to produce plastic products, the mould mainly include die cavity part and core part, the clearance between die cavity part and the core part constitutes the product die cavity, traditional die cavity part includes the die cavity fixed plate, the system has the mouth of moulding plastics in the die cavity fixed plate, connect the die cavity frame under the die cavity fixed plate, install the die cavity in the die cavity frame, the system has the sprue in die cavity frame and the die cavity, molten plastics are annotated into the sprue through the mouth of moulding plastics, directly flow into the die cavity from the runner port of sprue again and mould plastics, directly mould plastics from the runner port of sprue, the product surface leaves the vestige of moulding plastics, product quality is poor.
Therefore, the patent specification with the publication number of CN201784145U discloses a gate insert with a replaceable injection mold, which comprises a cavity fixing plate, wherein an injection port is formed in the cavity fixing plate, a cavity frame is connected below the cavity fixing plate, a cavity is arranged in the cavity frame, a main runner is formed in the cavity frame and the cavity, a gate insert is arranged in the cavity, a gate inlet is formed in the gate insert, one end of the gate inlet is communicated with the main runner, and the other end is communicated with the cavity. The injection mold with the replaceable gate insert still has the defects that firstly, the length of a runner in the gate insert cannot be adjusted according to requirements, so that the applicability of the injection mold is poor, and the injection mold needs to be frequently replaced aiming at different mold cavities; and secondly, the mould material in the flow channel cannot be cut off after the product is formed without the in-mould cutting function. Therefore, it is necessary to optimize and improve it.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome the above-mentioned problem that exists among the prior art, provide a secondary injection mold is with inserting.
In order to realize the technical purpose, the technical effect is achieved, the utility model discloses a realize through following technical scheme:
an insert for a secondary injection mold comprises an insert body, an active moving part, a driving screw rod, a passive moving part, a guide block and a compression spring, wherein the insert body is provided with a sprue inlet, a runner groove, a first guide groove, a second guide groove and a movable groove, the top end of the sprue inlet extends to the upper side surface of the insert body, the bottom end of the sprue inlet is communicated with the runner groove, the first guide groove is arranged above the runner groove side by side, the second guide groove is communicated with the movable groove below, the active moving part comprises a web part, a guide plate part, a movable plate part and a plug, the web part is provided with a screw rod hole matched with the driving screw rod, the guide plate part and the movable plate part are connected into a whole through the web part, the guide plate part is limited in the first guide groove in a sliding manner, the movable plate part is limited in the runner groove in a sliding manner, and the plug is fixed at the outer end of the movable plate part, the plug is provided with a cutting edge and a feeding channel, the passive moving part is limited in the movable groove in a sliding mode, a guide block is fixed on the upper side of the passive moving part, the guide block is limited in the second guide groove in a sliding mode, and a compression spring is installed between the outer end of the passive moving part and the outer side of the inner cavity of the movable groove.
Further, in the insert for the secondary injection mold, the inner end of the driving screw rod is limited in the insert body in a rotating manner, and the outer end of the driving screw rod is provided with the coupler.
Further, in the insert block for the secondary injection mold, the runner groove and the movable groove are communicated with each other, and the lower ends of the runner groove and the movable groove are both provided with openings.
Further, in the insert for the secondary injection mold, the first guide groove and the second guide groove are parallel to each other in the longitudinal direction.
Further, in the insert block for the secondary injection mold, a first positioning hole is formed in the outer side of the inner cavity of the movable groove, a second positioning hole is formed in the outer end of the passive movable member, and two ends of the compression spring are respectively limited in the first positioning hole and the second positioning hole.
The utility model has the advantages that:
the utility model has reasonable structural design, on one hand, the insert block body of the insert block utilizes the driving screw rod to drive the active moving part to carry out horizontal displacement, thereby realizing the adjustment of the length of the runner, meeting different die cavity requirements and having better universality; on the other hand, the die cutting device has an in-die cutting function and can cut the die material in the runner after the product is molded.
Of course, it is not necessary for any product to achieve all of the above advantages simultaneously in practicing the invention.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic overall structure diagram of the present invention;
fig. 2 is a schematic structural view of the active moving part and the driving screw rod of the present invention;
FIG. 3 is a schematic bottom view of the active moving part of the present invention;
FIG. 4 is a schematic side view of the passive moving member and the guide block of the present invention;
in the drawings, the components represented by the respective reference numerals are listed below:
1-an insert body, 2-an active moving part, 201-a web part, 202-a guide plate part, 203-a movable plate part, 204-a plug, 205-a feeding channel, 206-a cutting edge, 3-a driving screw rod, 4-a passive moving part, 5-a guide block, 6-a compression spring, 7-an inlet gate, 8-a runner groove, 9-a first guide groove, 10-a second guide groove, 11-a movable groove, 12-a first positioning hole and 13-a second positioning hole.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1-4, the present embodiment is an insert for a secondary injection mold, which includes an insert body 1, a driving movable member 2, a driving screw 3, a driven movable member 4, a guide block 5, and a compression spring 6. The insert body 1 is provided with a sprue 7, a runner groove 8, a first guide groove 9, a second guide groove 10 and a movable groove 11, the top end of the sprue 7 extends to the upper side surface of the insert body 1, and the bottom end of the sprue 7 is communicated with the runner groove 8. The first guide grooves 9 are arranged side by side above the flow channel 8. The second guide groove 10 is communicated with a movable groove 11 below, the runner groove 8 is communicated with the movable groove 11, and the lower end of the runner groove is open. The first guide groove 9 and the second guide groove 10 are parallel to each other in the longitudinal direction.
In this embodiment, the active moving part 2 includes a web portion 201, a guide plate portion 202, a moving plate portion 203 and a plug 204, the web portion 201 is provided with a screw hole matched with the driving screw 3, the inner end of the driving screw 3 is rotationally limited in the insert block body 1, and the outer end of the driving screw is provided with a coupler. The guide plate portion 202 and the flap portion 203 are connected together by the web portion 201, the guide plate portion 202 is slidably restricted in the first guide groove 9, the flap portion 203 is slidably restricted in the runner groove 8, a plug 204 is fixed to an outer end of the flap portion 203, the plug 204 is provided with a cutting edge 206 and a feed passage 205, the cutting edge 206 is located above the feed passage 205, and the cutting edge 206 abuts against an inner cavity top wall of the runner groove 8.
In this embodiment, the passive moving member 4 is slidably limited in the movable groove 11, the guide block 5 is fixed on the upper side of the passive moving member 4, the guide block 5 is slidably limited in the second guide groove 10, and the compression spring 6 is installed between the outer end of the passive moving member 4 and the outer side of the inner cavity of the movable groove 11. The outer side of the inner cavity of the movable groove 11 is provided with a first positioning hole 12, the outer end of the passive movable piece 4 is provided with a second positioning hole 13, and two ends of the compression spring 6 are respectively limited in the first positioning hole 12 and the second positioning hole 13.
One specific application of this embodiment is: the insert block body 1 of the insert block is reasonable in structural design, on one hand, the driving screw rod 3 is utilized to drive the driving moving part 2 to perform horizontal displacement, so that the length of a runner is adjusted, different die cavity requirements are met, and the insert block is good in universality; on the other hand, the die cutting device has an in-die cutting function and can cut the die material in the runner after the product is molded. The passive moving part 4 can slide inwards after being extruded by the cut die material, and the resistance of the cutting operation is reduced in this way.
The preferred embodiments of the present invention disclosed above are only advantageous to help illustrate the present invention. The preferred embodiments are not exhaustive and do not limit the invention to the precise embodiments. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.
Claims (5)
1. The utility model provides a secondary is insert for injection mold which characterized in that: the insert comprises an insert body, an active moving part, a driving screw rod, a passive moving part, a guide block and a compression spring, wherein the insert body is provided with a sprue inlet, a runner groove, a first guide groove, a second guide groove and a movable groove, the top end of the sprue inlet extends to the upper side surface of the insert body, the bottom end of the sprue inlet is communicated with the runner groove, the first guide groove is arranged above the runner groove side by side, the second guide groove is communicated with the lower movable groove, the active moving part comprises a web part, a guide plate part, a movable plate part and a plug, the web part is provided with a screw rod hole matched with the driving screw rod, the guide plate part and the movable plate part are connected into a whole through the web part, the guide plate part is limited in the first guide groove in a sliding manner, the movable plate part is limited in the runner groove in a sliding manner, the plug is fixed at the outer end of the movable plate part, and is provided with a cutting edge and a feeding channel, the passive moving part is limited in the moving groove in a sliding mode, a guide block is fixed on the upper side of the passive moving part and limited in the second guide groove in a sliding mode, and a compression spring is installed between the outer end of the passive moving part and the outer side of the inner cavity of the moving groove.
2. The insert for the secondary injection mold according to claim 1, wherein: the inner end of the driving screw rod is limited in the insert body in a rotating mode, and the outer end of the driving screw rod is provided with a coupler.
3. The insert for the secondary injection mold according to claim 1, wherein: the runner groove and the movable groove are communicated with each other, and the lower ends of the runner groove and the movable groove are both provided with openings.
4. The insert for the secondary injection mold according to claim 1, wherein: the length directions of the first guide groove and the second guide groove are parallel to each other.
5. The insert for the secondary injection mold according to claim 1, wherein: the outer side of the inner cavity of the movable groove is provided with a first positioning hole, the outer end of the passive movable part is provided with a second positioning hole, and two ends of the compression spring are limited in the first positioning hole and the second positioning hole respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120836675.5U CN214562640U (en) | 2021-04-22 | 2021-04-22 | Secondary is insert for injection mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120836675.5U CN214562640U (en) | 2021-04-22 | 2021-04-22 | Secondary is insert for injection mold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214562640U true CN214562640U (en) | 2021-11-02 |
Family
ID=78327659
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120836675.5U Active CN214562640U (en) | 2021-04-22 | 2021-04-22 | Secondary is insert for injection mold |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214562640U (en) |
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2021
- 2021-04-22 CN CN202120836675.5U patent/CN214562640U/en active Active
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