CN203282661U - Single-point multi-head needle valve hot sprue for hot runner - Google Patents
Single-point multi-head needle valve hot sprue for hot runner Download PDFInfo
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- CN203282661U CN203282661U CN2013202193673U CN201320219367U CN203282661U CN 203282661 U CN203282661 U CN 203282661U CN 2013202193673 U CN2013202193673 U CN 2013202193673U CN 201320219367 U CN201320219367 U CN 201320219367U CN 203282661 U CN203282661 U CN 203282661U
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- hot
- runner
- mouth
- piston
- needle
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Abstract
The utility model relates to the technical field of hot runner dies, in particular to a single-point multi-head needle valve hot sprue for a hot runner, which comprises a cylinder, wherein a hot sprue body is arranged in the cylinder, and is sleeved with a piston of the cylinder and a sprue body sheath; a heating component is arranged on the sprue body sheath; the hot sprue body comprises an upper body and a lower body; a main runner is formed in the upper body; a guidance runner and at least two division runners, all communicated with the main runner, are formed in the lower runner; the division runners are communicated with the guidance runner; a sprue element is arranged at the bottom of each division runner; insertion holes with the same number as that of division runners are formed in the lower runner; a valve needle is arranged in each insertion hole, the upper part of each valve needle is connected with the piston; the lower part of each valve needle penetrates the interior of the sprue element. According to the utility model, the plurality of valve needles are arranged in the hot sprue body; the piston drives the plurality of valve needles to move, so that a plurality of discharging openings can be controlled, and the practicability is strong.
Description
Technical field
The utility model relates to the hot runner mould technical field, relates in particular to a kind of hot flow path single-point bull needle valve hot mouth.
Background technology
Only be provided with a needle in the hot mouth body of prior art, by cylinder, drive the needle action that moves up and down, when needle rises, discharging opening is opened, when needle descended, discharging opening was closed, and prior art can only be carried out injection moulding by corresponding product, in batches product is carried out injection moulding the time, need a large amount of hot mouths, improved production cost, and in injection moulding process, operating efficiency also can descend, and practical value is less.
Summary of the invention
The purpose of this utility model is to provide a kind of hot flow path single-point bull needle valve hot mouth for the deficiencies in the prior art, be provided with a plurality of needles in the hot mouth body of the utility model, a plurality of needles of piston driving move up and down, and can control a plurality of discharging opening switches, and are practical.
for achieving the above object, a kind of hot flow path single-point bull needle valve hot mouth of the present utility model, comprise cylinder, be provided with hot mouth body in the cylinder body of described cylinder, the piston socket of described hot mouth body and cylinder, described hot mouth body also is socketed with mouth body cover, described mouth body cover is provided with heat generating component, described hot mouth body comprises upper body and lower body, described upper body is fixedly connected with lower body, described upper body offers sprue, described lower body offers sluice way and at least two runners that are communicated with sprue, described runner all is communicated with sluice way, the bottom of described runner is provided with the mouth core, described lower body also offers the jack corresponding with the quantity of runner, described jack all is communicated with runner, be provided with needle in described jack, the top of described needle is connected with piston, the bottom of described needle is arranged in the inside of mouth core.
As preferably, the middle part of described piston is provided with support column, and described support column is uniformly distributed in the periphery of piston, and the bottom of described support column is provided be used to the draw-in groove that blocks needle, is provided with arc groove between the adjacent supports post.
As preferably, the bottom of described upper body is provided with the circular arc projection that is complementary with arc groove, described circular arc projection offers the screw that passes for screw, and described upper body also offers the groove that moves up and down for needle, and described groove is between two adjacent circular arc projections.
As preferably, described cylinder comprises cylinder body, the upper end of described cylinder body is provided with upper cover, the lower end of described cylinder body is provided with base, described cylinder body is fixedly connected with upper cover, base respectively, and the outer setting of described cylinder body has the first snap joint and the second snap joint, and the inside of described cylinder body is provided with the first gas passage and the second gas passage, described the first snap joint is communicated with the first gas passage, and described the second snap joint is communicated with the second gas passage.
As preferably, described heat generating component is copper sheathing formula heating circle.
As preferably, described piston bush is provided with sealing ring.
As preferably, the bottom of described mouth core is provided with sprue bush, and described sprue bush is threaded with the mouth core.
the beneficial effects of the utility model: piston is provided be used to the draw-in groove that blocks needle, the top clamping of draw-in groove and needle, the first snap joint, the second snap joint all is connected with compressed air drive arrangement, can air inlet and exhaust, the second snap joint is advanced gas discharging in the second gas passage, gas enters in cylinder body by the second gas passage, pushing piston moves upward, the piston driving needle moves upward together, at this moment, discharging opening has been opened, the gas in the second gas passage is discharged in the second snap joint, the first snap joint is advanced gas discharging in the first gas passage, gas enters in cylinder body by the first gas passage, pushing piston moves downward, the piston driving needle moves downward together, at this moment, discharging opening is closed, be provided with a plurality of needles in the hot mouth body of the utility model, a plurality of needles of piston driving move up and down, can control a plurality of discharging opening switches, practical.
Description of drawings
Fig. 1 is cross-sectional view of the present utility model.
Fig. 2 is the structural representation of the utility model discharging opening while closing.
Fig. 3 is the structural representation of the utility model discharging opening while opening.
Fig. 4 is the structural representation that the utility model upper body coordinates with piston.
Reference numeral comprises:
1-piston, 11-support column, 12-draw-in groove, 13-arc groove
14-sealing ring, 2-sprue bush, 3-upper body, 31-sprue
32-circular arc projection, 33-screw, 34-groove, 4-lower body
41-sluice way, 42-runner, 5-mouth core, 6-needle
71-the first snap joint the 72-the second snap joint of 7-cylinder body
73-the first gas passage 74-the second gas passage 8-upper cover
9-base, 10-mouth body cover, 101-copper sheathing formula heating circle.
The specific embodiment
Below in conjunction with accompanying drawing, the utility model is described in detail.
as shown in Figures 1 to 4, a kind of hot flow path single-point bull needle valve hot mouth, comprise cylinder, be provided with hot mouth body in the cylinder body of described cylinder, piston 1 socket of described hot mouth body and cylinder, described hot mouth body also is socketed with mouth body cover 10, described mouth body cover 10 is provided with heat generating component, described hot mouth body comprises upper body 3 and lower body 4, described upper body 3 is fixedly connected with lower body 4, described upper body 3 offers sprue 31, described lower body 4 offers sluice way 41 and at least two runners 42 that are communicated with sprue 31, described runner 42 all is communicated with sluice way 41, the bottom of described runner 42 is provided with mouth core 5, described lower body 4 also offers the jack corresponding with the quantity of runner 42, described jack all is communicated with runner 42, be provided with needle 6 in described jack, the top of described needle 6 is connected with piston 1, the bottom of described needle 6 is arranged in the inside of mouth core 5.
The present embodiment moves up and down by a plurality of needles 6 of air cylinder driven, piston 1 in cylinder is connected with the top of needle 6, gas push piston 1 is done knee-action, piston 1 drives needle 6 and moves together, realize the opening and closing of discharging opening of hot mouth, after discharging opening is opened, melt plastic cement is successively by sprue 31, sluice way 41 and runner 42, through mouth core 5, enter finally die cavity, be provided with 6, one pistons of a plurality of needles, 1 a plurality of needles 6 of drive in the hot mouth body of the utility model and move up and down, can control a plurality of discharging opening switches, practical.
In the present embodiment, the middle part of described piston 1 is provided with support column 11, described support column 11 is uniformly distributed in the periphery of piston 1, the bottom of described support column 11 is provided be used to the draw-in groove 12 that blocks needle 6, be provided with arc groove 13 between adjacent supports post 11, piston 1, by draw-in groove 12 and needle 6 clampings, drives needle 6 and moves up and down.
in the present embodiment, the bottom of described upper body 3 is provided with the circular arc projection 32 that is complementary with arc groove 13, described circular arc projection 32 offers the screw 33 that passes for screw, described upper body 3 also offers the groove 34 that moves up and down for needle 6, described groove 34 is between two adjacent circular arc projections 32, during assembling, circular arc projection 32 is placed in arc groove 13, upper body 3 is positioned at same plane with lower body 4, upper body 3 is screwed connection with lower body 4, piston 1 can not be subject to the obstruction of upper body 3 when doing ascending motion, upper body 3 also offers the groove 34 that moves up and down for needle 6.
in the present embodiment, described cylinder comprises cylinder body 7, the upper end of described cylinder body 7 is provided with upper cover 8, the lower end of described cylinder body 7 is provided with base 9, described cylinder body 7 is fixedly connected with upper cover 8, base 9 respectively, the outer setting of described cylinder body 7 has the first snap joint 71 and the second snap joint 72, the inside of described cylinder body 7 is provided with the first gas passage 73 and the second gas passage 74, described the first snap joint 71 is communicated with the first gas passage 73, and described the second snap joint 72 is communicated with the second gas passage 74, the first snap joint 71, the second snap joint 72 all is connected with compressed air drive arrangement, can air inlet and exhaust, the second snap joint 72 is advanced gas discharging in the second gas passage 74, gas enters in cylinder body 7 by the second gas passage 74, pushing piston 1 moves upward, piston 1 drives needle 6 and moves upward together, at this moment, discharging opening has been opened, the gas in the second gas passage 74 is discharged in the second snap joint 72, the first snap joint 71 is advanced gas discharging in the first gas passage 73, gas enters in cylinder body 7 by the first gas passage 73, pushing piston 1 moves downward, piston 1 drives needle 6 and moves downward together, at this moment, discharging opening is closed.
In the present embodiment, described heat generating component is copper sheathing formula heating circle 101, and copper sheathing formula heating circle 101 is the inside that is bumped into mouth body cover 10, and mouth body cover 10 forms a heater with hot mouth body respectively, the heat of copper sheathing formula heating circle 101 can, fully by hot mouth bulk absorption, promote heating effect.
In the present embodiment, described piston 1 is arranged with sealing ring 14, increases the air-tightness of cylinder, guarantees that the air pressure in cylinder is in good state, simultaneously, makes the movement effects of needle 6 reach better, follow-up operation and safeguard convenient.
In the present embodiment, the bottom of described mouth core 5 is provided with sprue bush 2, and described sprue bush 2 is threaded with mouth core 5, and sprue bush 2 is used for fixedly mouth core 5.
Above content is only preferred embodiment of the present utility model, for those of ordinary skill in the art, according to thought of the present utility model, all will change in specific embodiments and applications, this description should not be construed as restriction of the present utility model.
Claims (7)
1. hot flow path single-point bull needle valve hot mouth, comprise cylinder, be provided with hot mouth body in the cylinder body of described cylinder, piston (1) socket of described hot mouth body and cylinder, described hot mouth body also is socketed with mouth body cover (10), described mouth body cover (10) is provided with heat generating component, it is characterized in that: described hot mouth body comprises upper body (3) and lower body (4), described upper body (3) is fixedly connected with lower body (4), described upper body (3) offers sprue (31), described lower body (4) offers sluice way (41) and at least two runners (42) that are communicated with sprue (31), described runner (42) all is communicated with sluice way (41), the bottom of described runner (42) is provided with mouth core (5), described lower body (4) also offers the jack corresponding with the quantity of runner (42), described jack all is communicated with runner (42), be provided with needle (6) in described jack, the top of described needle (6) is connected with piston (1), the bottom of described needle (6) is arranged in the inside of mouth core (5).
2. a kind of hot flow path single-point bull needle valve hot mouth according to claim 1, it is characterized in that: the middle part of described piston (1) is provided with support column (11), described support column (11) is uniformly distributed in the periphery of piston (1), the bottom of described support column (11) is provided be used to the draw-in groove that blocks needle (6) (12), is provided with arc groove (13) between adjacent supports post (11).
3. a kind of hot flow path single-point bull needle valve hot mouth according to claim 2, it is characterized in that: the bottom of described upper body (3) is provided with the circular arc projection (32) that is complementary with arc groove (13), described circular arc projection (32) offers the screw (33) that passes for screw, described upper body (3) also offers the groove (34) that moves up and down for needle (6), and described groove (34) is positioned between adjacent two circular arc projections (32).
4. a kind of hot flow path single-point bull needle valve hot mouth according to claim 1, it is characterized in that: described cylinder comprises cylinder body (7), the upper end of described cylinder body (7) is provided with upper cover (8), the lower end of described cylinder body (7) is provided with base (9), described cylinder body (7) respectively with upper cover (8), base (9) is fixedly connected with, the outer setting of described cylinder body (7) has the first snap joint (71) and the second snap joint (72), the inside of described cylinder body (7) is provided with the first gas passage (73) and the second gas passage (74), described the first snap joint (71) is communicated with the first gas passage (73), described the second snap joint (72) is communicated with the second gas passage (74).
5. a kind of hot flow path single-point bull needle valve hot mouth according to claim 1 is characterized in that: described heat generating component is copper sheathing formula heating circle (101).
6. a kind of hot flow path single-point bull needle valve hot mouth according to claim 1, it is characterized in that: described piston (1) is arranged with sealing ring (14).
7. a kind of hot flow path single-point bull needle valve hot mouth according to claim 1, it is characterized in that: the bottom of described mouth core (5) is provided with sprue bush (2), and described sprue bush (2) is threaded with mouth core (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013202193673U CN203282661U (en) | 2013-04-26 | 2013-04-26 | Single-point multi-head needle valve hot sprue for hot runner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013202193673U CN203282661U (en) | 2013-04-26 | 2013-04-26 | Single-point multi-head needle valve hot sprue for hot runner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203282661U true CN203282661U (en) | 2013-11-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013202193673U Expired - Lifetime CN203282661U (en) | 2013-04-26 | 2013-04-26 | Single-point multi-head needle valve hot sprue for hot runner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203282661U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107186968A (en) * | 2017-06-06 | 2017-09-22 | 佛山市顺德区弗伦克热流道科技有限公司 | Hot-runner pin valve controlling organization |
| CN110091470A (en) * | 2018-01-27 | 2019-08-06 | 蒋盼盼 | A kind of two plate mould of hot nozzle |
-
2013
- 2013-04-26 CN CN2013202193673U patent/CN203282661U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107186968A (en) * | 2017-06-06 | 2017-09-22 | 佛山市顺德区弗伦克热流道科技有限公司 | Hot-runner pin valve controlling organization |
| CN110091470A (en) * | 2018-01-27 | 2019-08-06 | 蒋盼盼 | A kind of two plate mould of hot nozzle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20131113 |