CN217803059U - Sprue bush for injection molding machine - Google Patents
Sprue bush for injection molding machine Download PDFInfo
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- CN217803059U CN217803059U CN202221274106.7U CN202221274106U CN217803059U CN 217803059 U CN217803059 U CN 217803059U CN 202221274106 U CN202221274106 U CN 202221274106U CN 217803059 U CN217803059 U CN 217803059U
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- cap
- groove
- injection molding
- molding machine
- air bag
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Abstract
The utility model discloses a sprue bush for injection molding machine, including the side piece install in the top surface of stalk portion, the bottom hole has been seted up to the bottom of cap portion, and the inboard of bottom hole has seted up the side channel, the kerve has been seted up to the bottom of cap portion, and the inner of kerve is provided with the loose ring to first gasbag is installed to the inner of kerve, and the end of first gasbag is connected with the connecting pipe simultaneously, the inside groove has been seted up to the inner of cap portion. This sprue bush for injection molding machine, be provided with blade and core chamber, the core chamber is loudspeaker form and diameter and is crescent to the stalk portion by the cap portion, the biggest discharge capacity has both been guaranteed, the cooling space has been increased, ejection of compact temperature has also further been reduced, at cap portion one side core chamber central opening embedding trapezoidal blade, trapezoidal blade falls into the ejection of compact into two strands by original one, when guaranteeing the runner size, can further reduce ejection of compact temperature, also reduce the risk that wire drawing and mould damaged, effectively improve production efficiency and yields.
Description
Technical Field
The utility model relates to an injection molding machine technical field specifically is a sprue bush for injection molding machine.
Background
The injection molding is to inject the heated and melted plastic into the mold cavity of the injection mold from a sprue bush through an injection molding machine at high pressure, and obtain a finished product after cooling and molding,injection mouldingIn the production process, the phenomenon of wire drawing can appear in the mouth of a river when drawing the mould, especially adopt plastics that mobility such as PP, PA are good to produce the wire drawing phenomenon very easily when moulding plastics, if the wire drawing stays on the mould can lead to the mould to be crushed when the compound die, if stay in the runner of mould then can be followed up the fuse-element and rush into the die cavity and influence the outward appearance of goods.
In order to solve the problems, innovative design is urgently needed on the basis of the original sprue bush.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a sprue bush for injection molding machine to solve and propose among the above-mentioned background artInjection mouldingIn the production process, the phenomenon of wire drawing can appear in the mouth of a river when drawing the mould, especially adopt plastics that mobility such as PP, PA are good to produce the wire drawing phenomenon very easily when moulding plastics, if the wire drawing stays on the mould can lead to the mould to be crushed when the compound die, if stay in the runner of mould then can be followed up the melt and rush into the problem of die cavity and influence the outward appearance of goods.
In order to achieve the above purpose, the utility model provides a following technical scheme: a sprue bush for an injection molding machine comprises a cap part, a handle part, a fixing bolt and a diffusion hole, wherein the handle part is arranged at the bottom end of the cap part, the fixing bolt is arranged at the upper end of the cap part, and the diffusion hole is formed in the upper end of the cap part;
further comprising:
the core cavity is arranged at the inner end of the cap part and the inner end of the handle part, and the inner end of the cap part is provided with a blade;
the side block is mounted on the outer surface of the top end of the handle part, a bottom hole is formed in the bottom end of the cap part, a side groove is formed in the inner side of the bottom hole, a bottom groove is formed in the bottom end of the cap part, a movable ring is arranged at the inner end of the bottom groove, a first air bag is mounted at the inner end of the bottom groove, the tail end of the first air bag is connected with the connecting pipe, an inner groove is formed in the inner end of the cap part, a second air bag is arranged at the inner end of the inner groove, the top end of the second air bag is connected with the tail end of the clamping block, the outer surface of the clamping block is connected with the top end of the spring, and the tail end of the spring is connected with the inner groove.
Preferably, semicircle arc-shaped diffusion hole has been seted up to the upper end of cap portion, and the inner of cap portion has seted up loudspeaker form core chamber, and embedding trapezoidal blade in a side core chamber of cap portion, divide into two strands by original one through trapezoidal blade with the ejection of compact, when guaranteeing the runner size, further reduce ejection of compact temperature, also reduce the risk that wire drawing and mould damaged, effectively improve production efficiency and yields.
Preferably, the horn-shaped core chamber has been seted up to the inner of stalk portion, and the stalk portion top carries out the butt joint block through bottom hole and cap portion to stalk portion top surface evenly distributed installs the side piece, and through horn-shaped core chamber horn shape, guarantee the biggest discharge capacity, also increased the cooling space, further reduced ejection of compact temperature simultaneously.
Preferably, the side block and the cap part form a clamping structure through the side groove, the cap part and the movable ring form a threaded connection structure through the bottom groove, the top end of the movable ring is attached to the bottom end of the first air bag, and the first air bag is extruded through the extrusion of the movable ring.
Preferably, the top end of the first air bag is communicated with the second air bag through a connecting pipe, the top end of the second air bag is fixedly connected with the tail end of the clamping block, and the clamping block is in sliding connection with the inner groove.
Preferably, the fixture block and the inner groove form an elastic structure through a spring, the top end of the fixture block is connected with the side block in a clamping mode, and the side block is clamped through the fixture block through expansion of the second air bag.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the sprue bush for the injection molding machine is provided with the blade and the core cavity, the core cavity is horn-shaped, the diameter of the core cavity is gradually increased from the cap part to the handle part, the maximum discharge amount is guaranteed, the cooling space is increased, the discharge temperature is further reduced, the trapezoidal blade is embedded into a central opening of the core cavity on one side of the cap part, the trapezoidal blade divides the discharge into two parts from the original one, the discharge temperature can be further reduced while the size of the sprue is guaranteed, the risk of wire drawing and die damage is also reduced, and the production efficiency and the yield are effectively improved;
2. this sprue bush for injection molding machine, be provided with side piece and loose ring, after cap and stalk portion butt joint block, the side piece gets into in the cap along the side channel, along with the screw thread transmission of loose ring and kerve, make the gas in the first gasbag 12 receive the extrusion and enter into to the second gasbag, the second gasbag drives the fixture block and stretches out and carry out the block to the side piece, make stable butt joint of stalk portion and cap, detachable construction also is convenient for make stalk portion and cap portion break away from fast, the staff of being convenient for dredges the clearance to blockking up the position.
Drawings
FIG. 1 is a schematic view of the overall three-dimensional structure of the present invention;
FIG. 2 is a schematic view of the overall front view structure of the present invention;
FIG. 3 is a side view of the blade of the present invention;
fig. 4 is a schematic top view of the handle of the present invention;
fig. 5 is an enlarged schematic view of a portion a in fig. 2 according to the present invention.
In the figure: 1. a cap portion; 2. a handle; 3. fixing the bolt; 4. a diffusion hole; 5. a core cavity; 6. a blade; 7. a side block; 8. a bottom hole; 9. a side groove; 10. a bottom groove; 11. a movable ring; 12. a first air bag; 13. a connecting pipe; 14. an inner tank; 15. a second air bag; 16. a clamping block; 17. a spring.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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 in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.
Referring to fig. 1-5, the present invention provides a technical solution: a sprue bush for an injection molding machine comprises a cap part 1, a handle part 2, a fixing bolt 3 and a diffusion hole 4, wherein the handle part 2 is arranged at the bottom end of the cap part 1, the fixing bolt 3 is arranged at the upper end of the cap part 1, and the diffusion hole 4 is formed in the upper end of the cap part 1;
further comprising:
the core cavity 5 is arranged at the inner end of the cap part 1 and the inner end of the handle part 2, and the inner end of the cap part 1 is provided with a blade 6;
the side block 7 is installed on the outer surface of the top end of the handle part 2, the bottom end of the cap part 1 is provided with a bottom hole 8, the inner side of the bottom hole 8 is provided with a side groove 9, the bottom end of the cap part 1 is provided with a bottom groove 10, the inner end of the bottom groove 10 is provided with a movable ring 11, the inner end of the bottom groove 10 is provided with a first air bag 12, the tail end of the first air bag 12 is connected with a connecting pipe 13, the inner end of the cap part 1 is provided with an inner groove 14, the inner end of the inner groove 14 is provided with a second air bag 15, the top end of the second air bag 15 is connected with the tail end of a clamping block 16, the outer surface of the clamping block 16 is connected with the top end of a spring 17, and the tail end of the spring 17 is connected with the inner groove 14.
The upper end of the cap part 1 is provided with a semicircular arc-shaped diffusion hole 4, the inner end of the cap part 1 is provided with a horn-shaped core cavity 5, and a trapezoidal blade 6 is embedded into the core cavity 5 on one side of the cap part 1.
When this runner cover uses, because core chamber 5 is the loudspeaker form, 5 diameters in core chamber are crescent to stalk portion 2 by cap portion 1, both guaranteed the biggest discharge capacity, the cooling space has been increased, also further reduced ejection of compact temperature, at cap portion 1 one side 5 central opening in core chamber embedding trapezoidal blade 6, trapezoidal blade 6 falls into two strands by original one with the ejection of compact, in the big or small while of assurance runner, can further reduce ejection of compact temperature, also reduce the risk that wire drawing and mould damaged, effectively improve production efficiency and yields.
The inner of stalk portion 2 has seted up tubaeform core chamber 5, and 2 tops of stalk portion carry out the butt joint block through bottom hole 8 and cap 1, and 2 top of stalk portion outer surfaces evenly distributed installs side piece 7, side piece 7 constitutes the block structure through side slot 9 and cap 1, and cap 1 passes through kerve 10 and movable ring 11 constitutes threaded connection structure, and the top of movable ring 11 is laminated with first gasbag 12 bottom mutually, first gasbag 12 top is linked together through connecting pipe 13 and second gasbag 15, and the top of second gasbag 15 is terminal for fixed connection with fixture block 16, and fixture block 16 is sliding connection with inside groove 14, fixture block 16 passes through spring 17 and constitutes the elastic construction with inside groove 14, and fixture block 16 top is connected for the block with side piece 7.
When the cap part 1 and the handle part 2 of the sprue bush are in butt joint installation, the handle part 2 can be in butt joint with the cap part 1 through the bottom hole 8 and clamped, so that the side block 7 enters the inside of the cap part 1 along the side groove 9, at the moment, the movable ring 11 is in butt joint with the bottom groove 10, because the movable ring 11 is in threaded connection with the bottom groove 10, the movable ring 11 can slowly enter the inner end of the bottom groove 10, the top end of the movable ring 11 can extrude the first air bag 12, gas in the first air bag 12 enters the second air bag 15 along the connecting pipe 13, the second air bag 15 is inflated and expanded to drive the fixture block 16 to extend out from the inner groove 14, the top end of the fixture block 16 is used for clamping the side block 7, so that the handle part 2 is stably in butt joint with the cap part 1, when the sprue bush is blocked, the operation can be reversed, the handle part 2 is separated from the cap part 1, and workers can conveniently dredge and clean.
The working principle is as follows: when the sprue bush for the injection molding machine is used, according to the figures 1-5, the device is firstly placed at a position needing to work, as the core cavity 5 is horn-shaped, and the diameter of the core cavity 5 is gradually increased from the cap part 1 to the handle part 2, the maximum discharge amount is ensured, the cooling space is enlarged, and the discharge temperature is further reduced, the trapezoidal blade 6 is embedded into the central opening of the core cavity 5 at one side of the cap part 1, the trapezoidal blade 6 divides the discharge into two parts from the original one, the discharge temperature can be further reduced while the size of the sprue is ensured, the risks of wire drawing and die damage are also reduced, and the production efficiency and the yield are effectively improved;
carry out the butt joint block with stalk portion 2 through bottom hole 8 and cap portion 1, and then make side piece 7 along the inside that side groove 9 got into cap portion 1, dock activity ring 11 and kerve 10 this moment, because activity ring 11 is threaded connection with kerve 10, make activity ring 11 slowly get into the inner of kerve 10, the top of activity ring 11 can extrude first gasbag 12, make the gas in the first gasbag 12 enter into to second gasbag 15 along connecting pipe 13, inflation of second gasbag 15, drive fixture block 16 and stretch out from inside groove 14, fixture block 16's top will carry out the block to side piece 7, thereby make stalk portion 2 and cap portion 1 dock stably, when pouring gate cover appears blockking up, but reverse operation, make stalk portion 2 break away from with cap portion 1 mutually, the staff of being convenient for dredge the clearance, whole practicality has been increased.
Those not described in detail in this specification are within the skill of the art.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. A sprue bush for an injection molding machine comprises a cap part (1), a handle part (2), a fixing bolt (3) and a diffusion hole (4), wherein the handle part (2) is arranged at the bottom end of the cap part (1), the fixing bolt (3) is arranged at the upper end of the cap part (1), and the diffusion hole (4) is formed in the upper end of the cap part (1);
it is characterized by also comprising:
the core cavity (5) is arranged at the inner end of the cap part (1) and the inner end of the handle part (2), and the inner end of the cap part (1) is provided with a blade (6);
the side block (7) is mounted on the outer surface of the top end of the handle portion (2), a bottom hole (8) is formed in the bottom end of the cap portion (1), a side groove (9) is formed in the inner side of the bottom hole (8), a bottom groove (10) is formed in the bottom end of the cap portion (1), a movable ring (11) is arranged at the inner end of the bottom groove (10), a first air bag (12) is mounted at the inner end of the bottom groove (10), meanwhile, the tail end of the first air bag (12) is connected with a connecting pipe (13), an inner groove (14) is formed in the inner end of the cap portion (1), a second air bag (15) is arranged at the inner end of the inner groove (14), the top end of the second air bag (15) is connected with the tail end of a clamping block (16), the outer surface of the clamping block (16) is connected with the top end of a spring (17), and the tail end of the spring (17) is connected with the inner groove (14).
2. The sprue bush for the injection molding machine according to claim 1, wherein the cap (1) is provided with a semicircular arc-shaped diffusion hole (4) at an upper end thereof, a trumpet-shaped core cavity (5) is provided at an inner end of the cap (1), and a trapezoidal blade (6) is embedded in the core cavity (5) on one side of the cap (1).
3. The sprue bush for the injection molding machine according to claim 1, wherein a trumpet-shaped core cavity (5) is formed in the inner end of the handle portion (2), the top end of the handle portion (2) is in butt joint and clamping with the cap portion (1) through a bottom hole (8), and side blocks (7) are uniformly distributed and mounted on the outer surface of the top end of the handle portion (2).
4. The sprue bushing for an injection molding machine according to claim 1, wherein the side block (7) forms a clamping structure with the cap portion (1) through a side groove (9), the cap portion (1) forms a threaded connection structure with the movable ring (11) through a bottom groove (10), and the top end of the movable ring (11) is attached to the bottom end of the first air bag (12).
5. The sprue bushing for injection molding machine according to claim 1, wherein the top end of the first air bag (12) is communicated with the second air bag (15) through a connecting pipe (13), the top end of the second air bag (15) is fixedly connected with the end of the fixture block (16), and the fixture block (16) is slidably connected with the inner groove (14).
6. The sprue bushing for injection molding machine according to claim 1, wherein the fixture block (16) and the inner groove (14) form an elastic structure through a spring (17), and the top end of the fixture block (16) is in clamping connection with the side block (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221274106.7U CN217803059U (en) | 2022-05-26 | 2022-05-26 | Sprue bush for injection molding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221274106.7U CN217803059U (en) | 2022-05-26 | 2022-05-26 | Sprue bush for injection molding machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217803059U true CN217803059U (en) | 2022-11-15 |
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ID=83985564
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221274106.7U Active CN217803059U (en) | 2022-05-26 | 2022-05-26 | Sprue bush for injection molding machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217803059U (en) |
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2022
- 2022-05-26 CN CN202221274106.7U patent/CN217803059U/en active Active
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