CN216782527U - Hot runner needle seals glue structure - Google Patents
Hot runner needle seals glue structure Download PDFInfo
- Publication number
- CN216782527U CN216782527U CN202220435741.2U CN202220435741U CN216782527U CN 216782527 U CN216782527 U CN 216782527U CN 202220435741 U CN202220435741 U CN 202220435741U CN 216782527 U CN216782527 U CN 216782527U
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- valve body
- valve
- valve needle
- wall
- fixedly connected
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Abstract
The utility model discloses a hot runner valve needle glue sealing structure which comprises a valve body, wherein a fixing ring is fixedly connected to the outer wall of the valve body, a thread mounting opening is fixedly connected to the right end of the valve body, a valve needle body is arranged at the left end of the valve body, a valve needle opening is formed in the left end of the valve needle body, a seal mounting opening is formed in the left side of the valve body, the valve needle body is inserted into the seal mounting opening and arranged, two sealing mechanisms are arranged on the valve body and comprise a rotating rod which is arranged in the valve body and is in rotating connection with the valve body, a rotating wheel is fixedly connected to the outer wall of the rotating rod and penetrates through the valve body, a first bevel gear is fixedly connected to the outer wall of the rotating rod, the first bevel gear is meshed with a second bevel gear, the second bevel gear is fixedly connected with a threaded rod, and the threaded rod penetrates through the valve body and is in rotating connection with the valve body. According to the utility model, the valve needle and the valve body can be sealed or replaced through the sealing mechanism, the operation is simple, and the glue sealing effect is good.
Description
Technical Field
The utility model relates to the technical field of valve needle sealing glue structures, in particular to a hot runner valve needle sealing glue structure.
Background
In the injection molding process, the valve pin type hot runner system has the characteristics of capability of manually controlling the opening and closing time of a pouring gate, smooth and flat pouring gate and the like, and is widely applied to the fields of automobile manufacturing, medical treatment, electronics, office equipment and the like.
In valve needle hot runner systems, the lower end of the valve needle is often designed in the shape of a cone or a truncated cone. In the process of injecting glue, a driving device such as an oil cylinder or an air cylinder is usually adopted to drive the valve needle to move forward, so that the lower end part of the valve needle sequentially passes through the hot runner and the nozzle core glue outlet, and then the purpose of injecting glue is achieved by blocking a mold pouring gate.
The existing valve needle is usually fixedly connected with a valve body in an integrated mode, when the valve needle moves forward, the lower end portion of the valve needle is in contact with a hot runner and a gum outlet of a nozzle core, and when the valve needle moves forward and contacts for multiple times, the valve needle is abraded and is inconvenient to replace; part needle and valve body are detachable, and needle and valve body leakproofness are poor, lead to gluing to leak, and it is poor to glue the effect.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the defects in the prior art, and provides a hot runner valve needle sealing glue structure which can seal or replace a valve needle and a valve body through a sealing mechanism, is simple to operate and has a good sealing glue effect.
In order to achieve the purpose, the utility model adopts the following technical scheme:
a hot runner valve needle sealing adhesive structure comprises a valve body, wherein the outer wall of the valve body is fixedly connected with a fixing ring, the right end of the valve body is fixedly connected with a thread mounting port, the left end of the valve body is provided with a valve needle body, the left end of the valve needle body is provided with a valve needle port, the left side of the valve body is provided with a seal mounting port, the valve needle body is inserted into the seal mounting port and is arranged, the valve body is provided with two sealing mechanisms, each sealing mechanism comprises a rotating rod which is arranged in the valve body and is rotationally connected with the valve body, the outer wall of the rotating rod is fixedly connected with a rotating wheel, the rotating wheel penetrates through the valve body, the outer wall of the rotating rod is fixedly connected with a first bevel gear, the first bevel gear is meshed with a second bevel gear, the second bevel gear is fixedly connected with a threaded rod, the threaded rod penetrates through the valve body and is rotationally connected with the valve body, and a hollow threaded barrel in threaded connection with the outer wall of the threaded rod is sleeved on the outer wall of the threaded rod, the hollow threaded cylinder penetrates through the valve body and is in sliding connection with the valve body, a groove is formed in the valve needle body, and the hollow threaded cylinder is inserted into the groove and is arranged in the groove and abutted against the inner wall of the groove.
Preferably, the right end of the valve needle body and the seal mounting opening are both in the shape of a truncated cone matched with each other.
Preferably, the outer wall of the rotating wheel is provided with anti-slip lines.
Preferably, the outer wall of the threaded rod and the inner wall of the hollow threaded cylinder are respectively provided with an external thread and an internal thread which are matched with each other.
Preferably, the hollow threaded cylinder is provided with an inclined surface, and the inclined surface is matched with the inner wall of the groove.
Preferably, the valve body and the valve needle body are made of carbon steel, and the outer walls of the valve body and the valve needle body are coated with a protective titanium layer.
Compared with the prior art, the utility model has the following beneficial effects:
1. rotatory swiveling wheel of staff drives rotary rod, first bevel gear, second bevel gear, threaded rod and rotates, and the direction of keeping away from the needle body through the rotatory hollow thread section of thick bamboo of driving of threaded rod removes, breaks away from the recess until the hollow thread section of thick bamboo, can take off the needle body and change easy operation.
2. Reverse rotation swiveling wheel drives first bevel gear, second bevel gear, threaded rod and rotates, makes in the cavity screw thread section of thick bamboo inserts the recess, can extrude the needle body through the cooperation of inclined plane and recess, makes its right side move closely laminate with the valve body, and then realizes sealing between valve body and the needle body, easy operation, and the practicality is strong.
In conclusion, the valve needle and the valve body can be sealed or replaced through the sealing mechanism, the operation is simple, and the glue sealing effect is good.
Drawings
FIG. 1 is a cross-sectional view of a hot runner valve pin sealing compound structure according to the present invention;
fig. 2 is an enlarged view of a structure a in fig. 1.
In the figure: the valve comprises a valve body 1, a fixing ring 2, a thread mounting port 3, a valve needle body 4, a valve needle port 5, a seal mounting port 6, a rotating rod 7, a rotating wheel 8, a first bevel gear 9, a second bevel gear 10, a threaded rod 11, a hollow threaded cylinder 12, an inclined plane 13 and a groove 14.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1-2, a hot runner needle seals glue structure, including valve body 1, the solid fixed ring of outer wall fixedly connected with 2 of valve body 1, the right-hand member fixedly connected with screw thread installing port 3 of valve body 1 can be connected this device and connecting piece fixedly through screw thread installing port 3, the left end of valve body 1 is equipped with needle body 4, the material of valve body 1 and needle body 4 is carbon steel, hardness is big, long service life, the outer wall of valve body 1 and needle body 4 is ferryed the one deck protection titanium layer, avoid damaging.
The left end of needle body 4 is equipped with needle mouth 5, and the left side of valve body 1 is equipped with seal installation mouth 6, and needle body 4 inserts and sets up in the seal installation mouth 6, and the right-hand member of needle body 4 all is the round platform type setting of mutually supporting with seal installation mouth 6, is equipped with two sealing mechanism on the valve body 1, closely inserts the seal installation mouth through needle body 4 and realizes sealing of valve body 1 and needle body 4 in 6.
The sealing mechanism comprises a rotating rod 7 which is arranged in the valve body 1 and is rotationally connected with the valve body 1, the outer wall of the rotating rod 7 is fixedly connected with a rotating wheel 8, the outer wall of the rotating wheel 8 is provided with anti-skid grains to increase the friction effect, the rotating wheel 8 penetrates through the valve body 1 to be arranged, the outer wall of the rotating rod 7 is fixedly connected with a first bevel gear 9, the first bevel gear 9 is meshed with a second bevel gear 10, the second bevel gear 10 is fixedly connected with a threaded rod 11, the threaded rod 11 penetrates through the valve body 1 and is rotationally connected with the valve body 1, the outer wall of the threaded rod 11 is sleeved with a hollow threaded cylinder 12 in threaded connection with the threaded rod, the outer wall of the threaded rod 11 and the inner wall of the hollow threaded cylinder 12 are respectively provided with matched external threads and internal threads, the hollow threaded cylinder 12 penetrates through the valve body 1 and is slidably connected with the valve body, the cross section of the hollow threaded cylinder 12 is rectangular, a groove 14 is arranged on the valve needle body 4, the hollow threaded cylinder 12 is inserted into the groove 14 and is abutted against the inner wall thereof, the hollow threaded cylinder 12 is provided with an inclined surface 13, and the inclined surface 13 is matched with the inner wall of the groove 14.
In the utility model, when the valve needle opening 5 is worn, a worker rotates the rotating wheel 8 to drive the rotating rod 7, the first bevel gear 9, the second bevel gear 10 and the threaded rod 11 to rotate, the threaded rod 11 rotates to drive the hollow threaded cylinder 12 to move towards the direction far away from the valve needle body 4 until the hollow threaded cylinder 12 is separated from the groove 14, and the valve needle body 4 can be taken down for replacement, so that the operation is simple; after the replacement is completed, the reverse rotation rotating wheel 8 drives the first bevel gear 9, the second bevel gear 10 and the threaded rod 11 to rotate, so that the hollow threaded cylinder 12 is inserted into the groove 14, the valve needle body 4 can be extruded through the cooperation of the inclined plane 13 and the groove 14, the valve needle body 1 is tightly attached to the right side of the valve needle body, the sealing between the valve body 1 and the valve needle body 4 is realized, the operation is simple, and the practicability is high.
Claims (6)
1. The hot runner valve needle glue sealing structure comprises a valve body (1), and is characterized in that a fixing ring (2) is fixedly connected to the outer wall of the valve body (1), a threaded mounting port (3) is fixedly connected to the right end of the valve body (1), a valve needle body (4) is arranged at the left end of the valve body (1), a valve needle port (5) is arranged at the left end of the valve needle body (4), a sealing mounting port (6) is arranged at the left side of the valve body (1), the valve needle body (4) is inserted into the sealing mounting port (6) and is provided with two sealing mechanisms;
the sealing mechanism comprises a rotating rod (7) which is arranged in the valve body (1) and is rotationally connected with the valve body, the outer wall of the rotating rod (7) is fixedly connected with a rotating wheel (8), the rotating wheel (8) penetrates through the valve body (1), the outer wall of the rotating rod (7) is fixedly connected with a first bevel gear (9), the first bevel gear (9) is engaged with a second bevel gear (10), the second bevel gear (10) is fixedly connected with a threaded rod (11), the threaded rod (11) penetrates through the valve body (1) and is rotationally connected with the valve body, the outer wall of the threaded rod (11) is sleeved with a hollow threaded cylinder (12) in threaded connection with the threaded rod, the hollow threaded cylinder (12) penetrates through the valve body (1) and is connected with the valve body in a sliding way, the valve needle body (4) is provided with a groove (14), and the hollow threaded cylinder (12) is inserted into the groove (14) and is abutted against the inner wall of the hollow threaded cylinder.
2. The hot runner valve needle sealing compound structure according to claim 1, wherein the right end of the valve needle body (4) and the sealing mounting port (6) are both in a mutually matched circular truncated cone shape.
3. The hot runner valve needle sealant structure as claimed in claim 1, wherein the outer wall of the rotating wheel (8) is provided with anti-slip lines.
4. The hot runner valve needle sealant structure as claimed in claim 1, wherein the outer wall of the threaded rod (11) and the inner wall of the hollow threaded cylinder (12) are respectively provided with external threads and internal threads which are matched with each other.
5. The hot runner valve needle sealant structure according to claim 1, wherein the hollow threaded cylinder (12) is provided with an inclined surface (13), and the inclined surface (13) is matched with an inner wall of the groove (14).
6. The hot runner valve needle sealing adhesive structure according to claim 1, wherein the valve body (1) and the valve needle body (4) are made of carbon steel, and the outer walls of the valve body (1) and the valve needle body (4) are coated with a protective titanium layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220435741.2U CN216782527U (en) | 2022-03-02 | 2022-03-02 | Hot runner needle seals glue structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220435741.2U CN216782527U (en) | 2022-03-02 | 2022-03-02 | Hot runner needle seals glue structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216782527U true CN216782527U (en) | 2022-06-21 |
Family
ID=82001047
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220435741.2U Active CN216782527U (en) | 2022-03-02 | 2022-03-02 | Hot runner needle seals glue structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216782527U (en) |
-
2022
- 2022-03-02 CN CN202220435741.2U patent/CN216782527U/en active Active
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