CN217834569U - Glue feeding structure of injection mold and injection mold - Google Patents
Glue feeding structure of injection mold and injection mold Download PDFInfo
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- CN217834569U CN217834569U CN202220960533.4U CN202220960533U CN217834569U CN 217834569 U CN217834569 U CN 217834569U CN 202220960533 U CN202220960533 U CN 202220960533U CN 217834569 U CN217834569 U CN 217834569U
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- glue
- glue inlet
- injection molding
- molding cavity
- injection
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Abstract
The utility model discloses an injection mould glue feeding structure, which comprises a mould main body, wherein the mould main body is provided with a glue feeding port, a first injection molding cavity, a first glue outlet, a first glue feeding runner, a second injection molding cavity, a second glue outlet and a second glue feeding runner; the glue inlet is communicated with the outside; the first glue outlet is communicated with the first injection molding cavity and is communicated with the glue inlet through a first glue inlet flow passage; the second glue outlet is communicated with the second injection molding cavity and is communicated with the glue inlet through a second glue inlet flow channel; the volume of the first injection molding cavity is larger than that of the second injection molding cavity; the length of the first glue inlet flow channel is smaller than that of the second glue inlet flow channel. The utility model discloses an injection mold advances glued structure, its part that can reduce to mould plastics out the possibility that deckle edge and size grow scheduling problem appear. The utility model also discloses an injection mold.
Description
Technical Field
The utility model relates to a mould field especially relates to an injection mould advances glued structure and injection mold.
Background
The injection mold is a tool for producing plastic products, at present, aiming at a product which comprises a plurality of parts and has low demand on capacity, one plastic mold is often adopted for simultaneously injecting the plurality of parts, and at the moment, because the volumes of the parts are different, the injection molding cavities for injecting the plurality of parts are different; however, when moulding plastics, a plurality of injection moulding chamber are through same gluey mouthful injection moulding glue of advancing, and at this moment, the little injection moulding chamber of volume is filled up more fast, and the injection moulding chamber that fills up is waiting for other injection moulding chamber to fill, still has the injection moulding glue to be lastingly injected into to the little injection moulding intracavity of volume, appears filling easily transshipping and leads to moulding plastics out the part and have deckle edge and size grow scheduling problem.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects of the prior art, the utility model aims to provide a pair of injection mold advances glued structure and injection mold, its homoenergetic reduces the part that moulds plastics out and the possibility that deckle edge and size grow scheduling problem appear.
The purpose of the utility model is realized by adopting the following technical scheme:
a glue inlet structure of an injection mould comprises a mould main body, wherein the mould main body is provided with a glue inlet, a first injection moulding cavity, a first glue outlet, a first glue inlet flow channel, a second injection moulding cavity, a second glue outlet and a second glue inlet flow channel; wherein:
the glue inlet is communicated with the outside;
the first glue outlet is communicated with the first injection molding cavity and is communicated with the glue inlet through the first glue inlet flow passage;
a second glue outlet is communicated with the second injection molding cavity and is communicated with the glue inlet through the second glue inlet flow channel;
the volume of the first injection molding cavity is larger than that of the second injection molding cavity;
the length of the first glue inlet flow passage is smaller than that of the second glue inlet flow passage.
Further, the number of the first glue outlets is more than that of the second glue outlets.
Furthermore, a throttle valve is arranged at the second glue inlet flow passage.
Further, the second glue inlet flow channel comprises a first section and a second section which are communicated with each other; the throttle valve comprises a throttle block provided with the second section; the throttling block is movably arranged on the die main body and can adjust the communication area of the first section and the second section during movement.
Furthermore, an adjusting groove is formed in the throttling block, the throttling valve further comprises a locking screw, the rod portion of the locking screw can penetrate through the adjusting groove in a relatively movable mode with the adjusting groove and is in threaded connection with the die body, and the head portion of the locking screw abuts against the throttling block on the die body.
Furthermore, the groove wall of the adjusting groove is also provided with a limiting surface, and the bottom surface of the head of the locking screw is abutted against the limiting surface.
Further, the throttle block may be movably disposed on the mold body in a straight line.
Furthermore, a third injection molding cavity, a third glue inlet flow channel and a third glue outlet communicated with the third injection molding cavity are further arranged on the mold main body; the third glue outlet is communicated with the glue inlet through the third glue inlet flow channel; the volume of the third injection molding cavity is larger than that of the second injection molding cavity and smaller than that of the first injection molding cavity; the length of the third glue inlet flow channel is greater than that of the first glue inlet flow channel, is smaller than that of the first glue inlet flow channel, and is smaller than that of the second glue inlet flow channel.
The purpose of the utility model is realized by adopting the following technical scheme:
an injection mold comprises the injection mold glue feeding structure.
Compared with the prior art, the beneficial effects of the utility model reside in that:
the utility model discloses a volume that injection mould advances glued structure's first chamber of moulding plastics is greater than the second chamber of moulding plastics, and the first length that advances gluey runner is less than the second advances the length of gluey runner, so, when injecting into the injection moulding glue through advancing gluey mouth, it will be greater than when getting into first chamber of moulding plastics to mould plastics gluey long getting into the second chamber of moulding plastics, so, the time that the second was moulded plastics and is glued and fill up is prolonged, to shorten or compensate the time difference that first chamber of moulding plastics and the chamber of moulding plastics of second fill up, thereby reduce the second chamber of moulding plastics and appear filling overloaded probably, and then reduce the second and mould plastics the possibility that part that the chamber was moulded plastics and appear deckle edge and size grow scheduling problem.
The utility model discloses an injection mold, owing to advance glued structure including foretell injection mold, and can reduce the part that the second chamber of moulding plastics and appear deckle edge and the possibility of size grow scheduling problem.
Drawings
FIG. 1 is a schematic structural view of the glue feeding structure of the injection mold of the present invention (the mold body is omitted);
FIG. 2 is a schematic structural view of the glue feeding structure of the injection mold of the present invention;
FIG. 3 is an enlarged view of a portion A of FIG. 2 according to the present invention;
fig. 4 is a schematic structural diagram of the throttle valve of the present invention.
In the figure: 10. a mold body; 20. a glue inlet; 30. a first injection molding cavity; 40. a first glue outlet; 50. a second injection molding cavity; 60. a second glue outlet; 70. a first glue inlet flow channel; 80. a second glue inlet flow channel; 81. a second stage; 82. a first stage; 90. a throttle valve; 91. a throttle block; 92. a locking screw; 93. an adjustment groove; 100. a limiting surface; 110. a third injection molding cavity; 120. a third glue inlet flow channel; 130. and a third glue outlet.
Detailed Description
Referring to fig. 1 to 4, the utility model discloses a glue inlet structure of an injection mold, which comprises a mold main body 10, wherein the mold main body 10 is provided with a glue inlet 20, a first injection molding cavity 30, a first glue outlet 40, a first glue inlet channel 70, a second injection molding cavity 50, a second glue outlet 60 and a second glue inlet channel 80; the glue inlet 20 is communicated with the outside; the first glue outlet 40 is communicated with the first injection molding cavity 30 and is communicated with the glue inlet 20 through a first glue inlet flow passage 70; the second glue outlet 60 is communicated with the second injection molding cavity 50 and is communicated with the glue inlet 20 through a second glue inlet runner 80; the volume of the first injection molding cavity 30 is larger than the volume of the second injection molding cavity 50; the length of the first glue inlet flow passage 70 is smaller than that of the second glue inlet flow passage 80; during the use, the leading-in injection molding glue of mouth 20 is glued through advancing, and at this moment, it will be greater than when the first runner 70 that advances that glues to mould glue to advance the length of time that the runner 80 flows at the second, so, the time that the second injection molding glue was filled up is prolonged to shorten or compensate the time difference that first injection molding chamber 30 and second injection molding chamber 50 were filled up, thereby it fills the overloaded possibility to reduce second injection molding chamber 50 to appear filling, and then reduces the possibility that the part that second injection molding chamber 50 was moulded plastics appears deckle edge and size grow scheduling problem.
In this embodiment, the number of the first glue outlets 40 is greater than the number of the second glue outlets 60, so that the first injection molding cavity 30 can simultaneously feed glue through the first glue inlets 20 which are greater than the number of the second glue inlets 20, the efficiency of feeding the injection glue into the first injection molding cavity 30 can be improved, the filling time of the first injection molding glue is further shortened, and the filling time difference between the first injection molding cavity 30 and the second injection molding cavity 50 is further shortened or compensated.
The throttle valve 90 is disposed at the second glue inlet flow passage 80 of the present embodiment, and at this time, the glue inlet flow rate of the second glue inlet flow passage 80 can be controlled by the throttle valve 90, so as to adjust the filling time of the second injection molding cavity 50 more flexibly, meet the requirement of shortening or compensating the time difference generated in the actual use process, and make the use more flexible.
The second glue inlet flow channel 80 of the present embodiment includes a first section 82 and a second section 81 communicating with each other; it is understood that one of the first section 82 and the second section 81 is in communication with the glue inlet 20, and the remaining one is in communication with the second glue outlet 60; the throttle valve 90 includes a throttle block 91 provided with the second section 81; the throttle block 91 is movably arranged on the die main body 10 and can adjust the communication area of the first section 82 and the second section 81 when moving, and it can be understood that the overlapping area of the opposite ports of the second section 81 and the first section 82 can be changed through the movable throttle block 91, thereby adjusting the communication area of the first section 82 and the second section 81; at the moment, the flowable space of the injection molding glue flowing between the first section 82 and the second section 81 is changed by changing the communication area of the first section 82 and the second section 81, so that the effect of changing the flow rate of the injection molding glue can be achieved, and the operation is convenient and fast.
The throttle block 91 of the present embodiment is movably disposed on the mold body 10 along a straight line, so that the movement of the throttle block 91 can be realized by adjusting the throttle block 91 along a straight line, and the structure is simple and easy to realize.
The throttle block 91 of the present embodiment is provided with an adjusting groove 93, the throttle valve 90 further comprises a locking screw 92, a rod portion of the locking screw 92 can pass through the adjusting groove 93 relatively movably with the adjusting groove 93 and is screwed with the mold main body 10, and the locking screw 92 presses the throttle block 91 against the mold main body 10 through a head portion thereof; thus, the throttle block 91 can be fixed by tightening the lock screw 92, and the throttle block 91 can be adjusted when the lock screw 92 is loosened, thereby simplifying the operation; meanwhile, the rod part of the adjusting screw can guide the movement of the throttling block 91, so that the movement stability of the throttling block 91 is improved.
The groove wall of the adjusting groove 93 of the present embodiment is further provided with a limiting surface 100, and the bottom surface of the head of the locking screw 92 abuts against the limiting surface 100; in this way, when the bottom surface of the head of the locking screw 92 abuts against the stopper surface 100 during the tightening of the locking screw 92, it is known that the tightening is in place, and the throttle block 91 and the like are prevented from being crushed and damaged due to the over-tightening.
The mold main body 10 of this embodiment is further provided with a third injection molding cavity 110, a third glue inlet channel 120, and a third glue outlet 130 communicated with the third injection molding cavity 110; the third glue outlet 130 is communicated with the glue inlet 20 through the third glue inlet flow passage 120, so as to realize simultaneous injection molding of more parts; specifically, the volume of the third injection molding cavity 110 is larger than the second injection molding cavity 50 and smaller than the first injection molding cavity 30; the length of the third glue inlet flow passage 120 is greater than that of the first glue inlet flow passage 70, smaller than that of the second glue inlet flow passage 80 and smaller than that of the first glue inlet flow passage 70; the balancing of the first injection molding cavity 30, the second injection molding cavity 50 and the third injection molding cavity 110 is thus long.
The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention cannot be limited thereby, and any insubstantial changes and substitutions made by those skilled in the art on the basis of the present invention are all within the protection scope of the present invention.
Claims (9)
1. The glue inlet structure of the injection mold is characterized by comprising a mold main body (10), wherein the mold main body (10) is provided with a glue inlet (20), a first injection molding cavity (30), a first glue outlet (40), a first glue inlet flow channel (70), a second injection molding cavity (50), a second glue outlet (60) and a second glue inlet flow channel (80); wherein:
the glue inlet (20) is communicated with the outside;
the first glue outlet (40) is communicated with the first injection molding cavity (30) and is communicated with the glue inlet (20) through the first glue inlet flow passage (70);
the second glue outlet (60) is communicated with the second injection molding cavity (50) and is communicated with the glue inlet (20) through the second glue inlet runner (80);
the volume of the first injection molding cavity (30) is larger than that of the second injection molding cavity (50);
the length of the first glue inlet flow passage (70) is smaller than that of the second glue inlet flow passage (80).
2. The injection mold glue inlet structure of claim 1, characterized in that the number of said first glue outlets (40) is greater than the number of said second glue outlets (60).
3. The injection mold gate structure according to claim 1, characterized in that a throttle valve (90) is provided at the second gate runner (80).
4. The injection mold gate structure according to claim 3, characterized in that the second gate flow path (80) comprises a first section (82) and a second section (81) communicating with each other; the throttle valve (90) comprises a throttle block (91) provided with the second section (81); the throttling block (91) is movably arranged on the die main body (10) and can adjust the communication area of the first section (82) and the second section (81) when moving.
5. The injection mold gate structure according to claim 4, characterized in that the throttle block (91) is provided with an adjusting groove (93), the throttle valve (90) further comprises a locking screw (92), a rod of the locking screw (92) can pass through the adjusting groove (93) relatively movably with the adjusting groove (93) and is screwed with the mold main body (10), and the locking screw (92) abuts the throttle block (91) on the mold main body (10) through a head thereof.
6. The injection mold gate structure according to claim 5, characterized in that the groove wall of the adjustment groove (93) is further provided with a stopper surface (100), and the bottom surface of the head of the locking screw (92) abuts against the stopper surface (100).
7. The injection mold gate structure according to claim 4, characterized in that the throttle block (91) is movably provided on the mold body (10) in a straight line.
8. The injection mold glue inlet structure of claim 1, characterized in that a third injection molding cavity (110), a third glue inlet channel (120) and a third glue outlet (130) communicated with the third injection molding cavity (110) are further arranged on the mold main body (10); the third glue outlet (130) is communicated with the glue inlet (20) through the third glue inlet runner (120); the volume of the third injection molding cavity (110) is larger than the second injection molding cavity (50) and smaller than the first injection molding cavity (30); the length of the third glue inlet flow passage (120) is greater than that of the first glue inlet flow passage (70), smaller than that of the first glue inlet flow passage, and smaller than that of the second glue inlet flow passage (80).
9. An injection mold comprising the injection mold gate structure of any of claims 1-8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220960533.4U CN217834569U (en) | 2022-04-22 | 2022-04-22 | Glue feeding structure of injection mold and injection mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220960533.4U CN217834569U (en) | 2022-04-22 | 2022-04-22 | Glue feeding structure of injection mold and injection mold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217834569U true CN217834569U (en) | 2022-11-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220960533.4U Active CN217834569U (en) | 2022-04-22 | 2022-04-22 | Glue feeding structure of injection mold and injection mold |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217834569U (en) |
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2022
- 2022-04-22 CN CN202220960533.4U patent/CN217834569U/en active Active
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