CN210436534U - Dead needle guide pin bushing of anti-sticking of accurate mould - Google Patents
Dead needle guide pin bushing of anti-sticking of accurate mould Download PDFInfo
- Publication number
- CN210436534U CN210436534U CN201921315869.XU CN201921315869U CN210436534U CN 210436534 U CN210436534 U CN 210436534U CN 201921315869 U CN201921315869 U CN 201921315869U CN 210436534 U CN210436534 U CN 210436534U
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- Prior art keywords
- guide sleeve
- motor
- valve needle
- threaded rod
- guide
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- Expired - Fee Related
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- 238000012423 maintenance Methods 0.000 abstract description 4
- 230000033001 locomotion Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 108091092889 HOTTIP Proteins 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000003116 impacting effect Effects 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
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Abstract
The utility model discloses an anti-jamming valve needle guide sleeve of a precision mold, which comprises a guide sleeve body, a valve needle is sleeved in the guide sleeve body, the upper end of the valve needle is arranged in a driver, the outer part of the guide sleeve body is provided with a thread, the guide sleeve body is arranged in the guide plate through a nut, a discharge port is arranged in the guide plate, the guide sleeve body is arranged in the discharge port, a gap is arranged between the guide sleeve body and the discharge port, the two ends of the guide plate are respectively provided with a sleeve A and a sleeve B, the sleeves A and B are both provided with internal threads, the sleeves A and B are respectively connected with a threaded rod A and a threaded rod B, the upper ends of the threaded rod A and the threaded rod B are respectively connected with a motor A and a motor B, the utility model has reasonable design, the valve needle has higher ejection capacity and ejection strength, so that small products, meanwhile, the valve needle is prevented from being stuck, the cost is reduced, and the maintenance time is saved.
Description
Technical Field
The utility model relates to an accurate mould technical field, concretely relates to dead needle guide pin bushing of anti-sticking of accurate mould.
Background
Valve pin hot runner is a hot runner system that is very common in application, and the system opens or closes a gate by mechanical movement of a valve pin under the action of a valve pin control device at a predetermined time. This type of hot runner system has many advantages not available with hot tip and sprue runner systems. If the opening and closing time of the pouring gate can be controlled manually, the pouring gate is smooth and flat, the technical field of hot runner technology application can be expanded, and the like. The valve needle guide sleeve plays a crucial role in the valve needle type hot runner system.
Chinese patent No. CN202727267U discloses a valve needle guide sleeve for a mold, the flow of molten plastic of the device is smooth and free from material accumulation, and a convex column is arranged to prevent the molten plastic from directly impacting the valve needle, so as to prolong the service life of the valve needle. However, in the technology, the valve needle still has the phenomenon of blocking in the using process, which causes the interruption of injection molding production and equipment maintenance, increases the cost and wastes time.
SUMMERY OF THE UTILITY MODEL
In order to overcome the not enough of prior art, the utility model provides a dead needle guide pin bushing of anti-sticking of accurate mould to solve the dead problem of current needle guide pin bushing easy card.
In order to solve the technical problem, the utility model provides a following technical scheme:
the utility model provides an anti-sticking of accurate mould needle guide pin bushing that dies, includes the guide pin bushing body, the needle has been cup jointed in the guide pin bushing body, the upper end setting of needle is in the inside of driver, guide pin bushing body outside is provided with the screw thread, the guide pin bushing body passes through the nut setting in the inside of stock guide, be provided with the discharge gate in the stock guide, the guide pin bushing body sets up in the discharge gate, and is provided with the clearance between guide pin bushing body and the discharge gate, the both ends of stock guide are provided with sleeve A and sleeve B respectively, all be provided with the internal thread in sleeve A and the sleeve B, be connected with threaded rod A and threaded rod B in sleeve A and the sleeve B respectively, threaded rod A and threaded rod B's upper end is.
Preferably, the upper end of the discharge port is communicated with the feed port through an arc-shaped connecting section.
Preferably, the guide sleeve body is internally provided with a guide hole in sliding fit with the valve needle, and the discharge hole and the guide hole are coaxially arranged.
Preferably, the motor a and the motor B are both servo motors.
Preferably, a coupler is connected between the motor A and the threaded rod A, and a coupler is also connected between the motor B and the threaded rod B.
Preferably, a connecting plate is arranged between the motor A and the motor B, and a fixing bolt is arranged on the connecting plate.
Compared with the prior art, the utility model discloses the beneficial effect that can reach is:
the utility model discloses a set up sleeve A and sleeve B respectively at the both ends of stock guide, rotate sleeve A and sleeve B with motor A and motor B respectively through the threaded rod and be connected for motor A and motor B drive threaded rod A and threaded rod B rotate, thereby drive whole stock guide and driver motion, greatly improved the ejecting ability and the ejecting intensity of needle, make the product of little also ejecting smoothly, avoid the needle card to die, the cost is reduced has practiced thrift maintenance time.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
fig. 2 is a schematic view of the connection between the motor a and the motor B and the material guiding plate according to the present invention;
fig. 3 is a top view of the present invention;
fig. 4 is a schematic view of the connection between the motor a and the threaded rod a of the present invention.
Wherein: 1. a guide sleeve body; 2. a valve needle; 3. a driver; 4. a nut; 5. a material guide plate; 6. a discharge port; 7. a sleeve A; 8. a sleeve B; 9. a threaded rod A; 10. a threaded rod B; 11. a motor A; 12. a motor B; 13. a feed inlet; 14. a guide hole; 15. a coupling; 16. a connecting plate; 17. and (5) fixing the bolt.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.
Referring to fig. 1-4, the anti-seize valve needle guide sleeve of the precision mold comprises a guide sleeve body 1, a valve needle 2 is sleeved in the guide sleeve body 1, the upper end of the valve needle 2 is arranged inside a driver 3, threads are arranged outside the guide sleeve body 1, the guide sleeve body 1 is arranged inside a guide plate 5 through a nut 4, a discharge port 6 is arranged in the guide plate 5, the guide sleeve body 1 is arranged in the discharge port 6, a gap is arranged between the guide sleeve body 1 and the discharge port 6, two ends of the guide plate 5 are respectively provided with a sleeve a7 and a sleeve B8, inner threads are arranged in the sleeve a7 and the sleeve B8, a threaded rod a9 and a threaded rod B10 are respectively connected in the sleeve a7 and the sleeve B8, and the upper ends of the threaded rod a9 and the threaded rod B10 are respectively connected with a motor a11 and a motor B12.
Further, the upper end of the discharge port 6 is communicated with the feed port 13 through an arc-shaped connecting section, and the feed port 13 is communicated with the discharge port 6 to form a complete raw material transportation channel.
Further, a guide hole 14 in sliding fit with the valve needle 2 is formed in the guide sleeve body 1, and the discharge port 6 and the guide hole 14 are coaxially arranged, so that the valve needle 2 is in the center of the discharge port 6, and smooth discharge is facilitated.
Further, the motor A11 and the motor B12 are both servo motors, and the position accuracy is high.
Further, a coupler 15 is connected between the motor A11 and the threaded rod A9, a coupler 15 is connected between the motor B12 and the threaded rod B10, the motor A11 and the threaded rod A9 are in transmission connection through the coupler 15, and the motor B12 and the threaded rod B10 are in transmission connection.
Further, a connecting plate 16 is arranged between the motor A11 and the motor B12, and a fixing bolt 17 is arranged on the connecting plate 16 to fix the motor A11 and the motor B12.
The working principle is as follows: during operation, carry the raw materials in stock guide 5 through feed inlet 13, and carry the die cavity through discharge gate 6, after the product shaping, need utilize needle 2 ejecting the mould, at this moment, start driver 3, needle 2 is driven and goes up the mould ejecting, if the dead condition of card appears in needle 2, then start motor A11 and motor B12, motor A11 and motor B12 drive threaded rod A9 and threaded rod B10 respectively and rotate, thereby drive sleeve A7 and sleeve B8 motion, make whole stock guide 5 and driver 3 motion, the liftout ability and the ejecting intensity of needle 2 have greatly been improved, make the little product also can be ejecting smoothly, can avoid needle 2 card dead simultaneously, the cost is reduced, maintenance time has been practiced thrift.
The embodiments of the present invention are not limited to the above embodiments, and according to the contents of the above embodiments of the present invention, the above preferred embodiments can also make modifications, replacements or combinations of other forms by using conventional technical knowledge and conventional means in the field without departing from the basic technical idea of the present invention, and the obtained other embodiments all fall within the scope of the present invention.
Claims (6)
1. An anti-blocking valve needle guide sleeve of a precision mold comprises a guide sleeve body (1) and is characterized in that a valve needle (2) is sleeved in the guide sleeve body (1), the upper end of the valve needle (2) is arranged inside a driver (3), threads are arranged outside the guide sleeve body (1), the guide sleeve body (1) is arranged inside a guide plate (5) through a nut (4), a discharge hole (6) is formed in the guide plate (5), the guide sleeve body (1) is arranged in the discharge hole (6), a gap is formed between the guide sleeve body (1) and the discharge hole (6), a sleeve A (7) and a sleeve B (8) are arranged at two ends of the guide plate (5) respectively, internal threads are arranged in the sleeve A (7) and the sleeve B (8), a threaded rod A (9) and a threaded rod B (10) are connected in the sleeve A (7) and the sleeve B (8) respectively, the upper ends of the threaded rod A (9) and the threaded rod B (10) are respectively connected with a motor A (11) and a motor B (12).
2. The anti-seize valve needle guide sleeve of the precision mold according to claim 1, wherein the upper end of the discharge port (6) is communicated with the feed port (13) through an arc-shaped connecting section.
3. The anti-jamming valve needle guide sleeve of the precision mold according to claim 1, characterized in that a guide hole (14) in sliding fit with the valve needle (2) is arranged in the guide sleeve body (1), and the discharge port (6) and the guide hole (14) are coaxially arranged.
4. The anti-seize valve needle guide sleeve of the precision mold according to claim 1, wherein the motor A (11) and the motor B (12) are both servo motors.
5. The anti-jamming valve needle guide sleeve of the precision mold according to claim 1, wherein a coupler (15) is connected between the motor A (11) and the threaded rod A (9), and a coupler (15) is also connected between the motor B (12) and the threaded rod B (10).
6. The anti-blocking valve needle guide sleeve of the precision mold according to claim 1, wherein a connecting plate (16) is arranged between the motor A (11) and the motor B (12), and a fixing bolt (17) is arranged on the connecting plate (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921315869.XU CN210436534U (en) | 2019-08-14 | 2019-08-14 | Dead needle guide pin bushing of anti-sticking of accurate mould |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921315869.XU CN210436534U (en) | 2019-08-14 | 2019-08-14 | Dead needle guide pin bushing of anti-sticking of accurate mould |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210436534U true CN210436534U (en) | 2020-05-01 |
Family
ID=70408310
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921315869.XU Expired - Fee Related CN210436534U (en) | 2019-08-14 | 2019-08-14 | Dead needle guide pin bushing of anti-sticking of accurate mould |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210436534U (en) |
-
2019
- 2019-08-14 CN CN201921315869.XU patent/CN210436534U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200501 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |