CN213082200U - Needle valve heat is chewed with adjustable export size - Google Patents
Needle valve heat is chewed with adjustable export size Download PDFInfo
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- CN213082200U CN213082200U CN202021788518.3U CN202021788518U CN213082200U CN 213082200 U CN213082200 U CN 213082200U CN 202021788518 U CN202021788518 U CN 202021788518U CN 213082200 U CN213082200 U CN 213082200U
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Abstract
The utility model relates to a technical field is chewed to the needle valve heat, specifically is a needle valve heat is chewed with adjustable export size, chew the body including heat, this internal needle valve that is equipped with is chewed to heat, and the bottom of needle valve inner wall is equipped with first cylindricality piece, and the outer wall of first cylindricality piece is seted up the first logical groove of arc and is gone up the logical groove of arc on the second of symmetric distribution, and the bottom swing joint that the body was chewed to heat has adjusting device, and adjusting device includes the cylindricality cover, and the bottom of cylindricality cover is equipped with the toper storehouse, and the cylindricality logical groove has been seted up to the bottom of toper storehouse. This needle valve heat is chewed with adjustable export size through rotating adjusting device, makes second cylindrical block and needle valve take place relative movement to make two go up the arc and lead to the groove and take place the dislocation with two arc through grooves down respectively, make the connector size of department of laminating mutually change, and then the ejection of compact size that this needle valve heat was chewed is controlled, with the demand of moulding plastics that adapts to different moulds.
Description
Technical Field
The utility model relates to a technical field is chewed to the needle valve heat, specifically is a needle valve heat is chewed with adjustable export size.
Background
With the development of injection molding technology, the hot runner technology is widely applied to injection molds, wherein a needle valve heat nozzle is an important component in a hot runner system, molten plastic is injected into a mold cavity of the mold through the needle valve heat nozzle, the size of a discharge port of the existing needle valve heat nozzle is fixed, the discharge port of the needle valve heat nozzle controls the flow, and the injection molding is greatly affected.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a hot nozzle of needle valve with adjustable export size to it is all fixed to propose the size that current needle valve heat chewed the discharge gate among the above-mentioned background art to solve, and the discharge gate that the needle valve heat chewed is the control flow size, has great influence to moulding plastics, consequently need to change different needle valve heat according to the condition of moulding plastics and chew, just so need multiple needle valve heat to chew, and then increased the problem that the cost drops into.
In order to achieve the above object, the utility model provides a following technical scheme:
a needle valve heat nozzle with an adjustable outlet size comprises a heat nozzle body, wherein an annular positioning groove is formed in the outer wall of the heat nozzle body and in the position close to the bottom, a needle valve is arranged in the heat nozzle body, a first cylindrical block is arranged at the bottom of the inner wall of the needle valve, a first upper arc-shaped through groove and a second upper arc-shaped through groove which are symmetrically distributed are formed in the outer wall of the first cylindrical block, an adjusting device is movably connected to the bottom of the heat nozzle body and comprises a cylindrical sleeve, three fastening bolts distributed in an annular array are in threaded connection with the outer wall of the cylindrical sleeve, a circular extrusion plate is arranged at the end part of each fastening bolt and is located in the annular positioning groove, a conical bin is arranged at the bottom of the cylindrical sleeve, a cylindrical through groove is formed in the bottom of the inner wall of the conical bin, and the bottom end of the needle valve is inserted into, the lower part that the groove inner wall was led to the cylindricality is equipped with second cylindrical block, the top of second cylindrical block and be close to the position at edge and vertically set up the first arc that the symmetric distribution leads to the groove and the second arc leads to the groove.
Preferably, the cross sections of the first upper arc-shaped through groove, the second upper arc-shaped through groove, the first lower arc-shaped through groove and the second lower arc-shaped through groove are the same in shape and size.
Preferably, the first upper arc-shaped through groove corresponds to the first lower arc-shaped through groove in position.
Preferably, the second upper arc-shaped through groove corresponds to the second lower arc-shaped through groove in position.
Preferably, the diameter of the circular extrusion plate is matched with the distance between two sides of the inner wall of the annular positioning groove.
Preferably, a rubber plate is bonded to the outer side of the circular extrusion plate.
Preferably, the bottom of the needle valve is attached to the top of the second cylindrical block.
Compared with the prior art, the beneficial effects of the utility model are that:
this needle valve heat is chewed with adjustable export size, through rotating adjusting device, make second cylindrical block and needle valve take place relative movement, thereby make two go up the arc lead to the groove and take place the dislocation with two arc lead to grooves down respectively, make the connector size of department of laminating mutually change, and then the ejection of compact size that this needle valve heat was chewed, with the demand of moulding plastics that adapts to different moulds, it is fixed with the heat body of chewing to adjust adjusting device behind the position through fastening bolt, avoid in the use second cylindrical block to take place to shift.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the cross-sectional structure of the present invention;
FIG. 3 is a schematic view of a partially assembled structure of the present invention;
fig. 4 is an enlarged schematic view of the structure at a in fig. 3 according to the present invention;
fig. 5 is a schematic structural diagram of an adjusting device according to the present invention;
fig. 6 is a schematic sectional view of a needle valve according to the present invention.
In the figure: body 1 is chewed to heat, annular constant head tank 10, needle valve 2, first cylindrical block 20, first arc through groove 200, arc through groove 201, adjusting device 3, cylindricality cover 30, conical bin 31, cylindricality through groove 310, second cylindrical block 32, first arc through groove 320, second arc through groove 321, fastening bolt 33, circular stripper plate 330, rubber slab 3300 down on going up the arc through groove 200, the second.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying 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 work belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
Referring to fig. 1-6, the present invention provides a technical solution:
a needle valve heat nozzle with an adjustable outlet size comprises a heat nozzle body 1, wherein an annular positioning groove 10 is formed in the outer wall of the heat nozzle body 1 and close to the bottom of the heat nozzle body 1 and used for being connected with an adjusting device 3, a needle valve 2 is arranged in the heat nozzle body 1, a first cylindrical block 20 is arranged at the bottom of the inner wall of the needle valve 2, a first upper arc-shaped through groove 200 and a second upper arc-shaped through groove 201 which are symmetrically distributed are formed in the outer wall of the first cylindrical block 20, glue input by the needle valve 2 is divided through the first cylindrical block 20, the adjusting device 3 is movably connected to the bottom of the heat nozzle body 1 and comprises a cylindrical sleeve 30, three fastening bolts 33 which are distributed in an annular array are in threaded connection with the outer wall of the cylindrical sleeve 30, a circular extrusion plate 330 is arranged at the end part of each fastening bolt 33, the circular extrusion plate 330 is located in the annular positioning groove 10, and the adjusting, the bottom of cylindricality cover 30 is equipped with conical bin 31, the groove 310 is led to the cylindricality has been seted up to the bottom of conical bin 31 inner wall, and peg graft in the upper portion that the groove 310 inner wall was led to the cylindricality in the bottom of needle valve 2, the lower part that the groove 310 inner wall was led to the cylindricality is equipped with second cylindrical block 32, the top of second cylindrical block 32 just is close to the marginal position and is vertical to set up first arc logical groove 320 and the logical 321 of arc under the second of symmetric distribution, relative movement between second cylindrical block 32 and needle valve 2 realizes the regulation.
In this embodiment, the first upper arc through groove 200, the second upper arc through groove 201, the first lower arc through groove 320 and the second lower arc through groove 321 have the same cross section shape and size, the first upper arc through groove 200 corresponds to the first lower arc through groove 320, the second upper arc through groove 201 corresponds to the second lower arc through groove 321, and when the upper arc through groove and the lower arc through groove are completely opposite, the discharge amount is ensured to be the maximum state.
Specifically, the diameter of the circular extrusion plate 330 is matched with the distance between the two sides of the inner wall of the annular positioning groove 10, so that the adjusting device 3 is prevented from shaking in the using process.
Further, the rubber plate 3300 is bonded to the outer side of the circular extrusion plate 330, so that friction is improved, and the stability of the adjusting device 3 and the hot nozzle body 1 is improved.
In addition, the bottom of the needle valve 2 is attached to the top of the second cylindrical block 32, so that the rubber is prevented from seeping out.
When the needle valve heat nozzle with the adjustable outlet size is used, when the flow of rubber needs to be adjusted, a user rotates the fastening bolt 33 anticlockwise through the screwdriver, so that the adjusting device 3 can rotate at the bottom end of the heat nozzle body 1, at the moment, the user rotates the adjusting device 3 clockwise or anticlockwise, so that the second cylindrical block 32 and the needle valve 2 move relatively, the first upper arc-shaped through groove 200 and the first lower arc-shaped through groove 320 are staggered, the second upper arc-shaped through groove 201 and the second lower arc-shaped through groove 321 are also staggered, thereby reducing the connecting port of the upper arc-shaped through groove and the lower arc-shaped through groove, rotating the adjusting device 3 to a proper position, the user rotates the fastening bolt 33 clockwise through the screwdriver, so that the adjusting device 3 and the hot nozzle body 1 are fixed in position, and when the needle valve hot nozzle is used again, the glue material flow of the needle valve hot nozzle is adjusted to be small.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (7)
1. The utility model provides a hot of needle valve is chewed with adjustable export size which characterized in that: the hot nozzle comprises a hot nozzle body (1), wherein an annular positioning groove (10) is formed in the outer wall of the hot nozzle body (1) and close to the bottom of the hot nozzle body, a needle valve (2) is arranged in the hot nozzle body (1), a first cylindrical block (20) is arranged at the bottom of the inner wall of the needle valve (2), a first upper arc through groove (200) and a second upper arc through groove (201) which are symmetrically distributed are formed in the outer wall of the first cylindrical block (20), an adjusting device (3) is movably connected to the bottom of the hot nozzle body (1), the adjusting device (3) comprises a cylindrical sleeve (30), three fastening bolts (33) distributed in an annular array are in threaded connection with the outer wall of the cylindrical sleeve (30), a circular extrusion plate (330) is arranged at the end part of each fastening bolt (33), the circular extrusion plate (330) is located in the annular positioning groove (10), a conical bin (31) is arranged at the bottom of the cylindrical sleeve (, the bottom of conical bin (31) inner wall has been seted up cylindricality and has been led to groove (310), just the bottom of needle valve (2) peg graft in the upper portion that the groove (310) inner wall was led to the cylindricality, the lower part that the groove (310) inner wall was led to the cylindricality is equipped with second cylindrical block (32), the top of second cylindrical block (32) just is close to the position at edge and vertically sets up first arc logical groove (320) and the logical groove (321) of arc under the second of symmetric distribution.
2. The needle valve heat nozzle with adjustable outlet size of claim 1, characterized in that: the cross sections of the first upper arc-shaped through groove (200), the second upper arc-shaped through groove (201), the first lower arc-shaped through groove (320) and the second lower arc-shaped through groove (321) are the same in shape and size.
3. The needle valve heat nozzle with adjustable outlet size of claim 1, characterized in that: the first upper arc-shaped through groove (200) corresponds to the first lower arc-shaped through groove (320).
4. The needle valve heat nozzle with adjustable outlet size of claim 1, characterized in that: the second upper arc-shaped through groove (201) corresponds to the second lower arc-shaped through groove (321) in position.
5. The needle valve heat nozzle with adjustable outlet size of claim 1, characterized in that: the diameter of the circular extrusion plate (330) is matched with the distance between two sides of the inner wall of the annular positioning groove (10).
6. The needle valve heat nozzle with adjustable outlet size of claim 1, characterized in that: and a rubber plate (3300) is bonded to the outer side of the circular extrusion plate (330).
7. The needle valve heat nozzle with adjustable outlet size of claim 1, characterized in that: the bottom of the needle valve (2) is attached to the top of the second cylindrical block (32).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021788518.3U CN213082200U (en) | 2020-08-25 | 2020-08-25 | Needle valve heat is chewed with adjustable export size |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021788518.3U CN213082200U (en) | 2020-08-25 | 2020-08-25 | Needle valve heat is chewed with adjustable export size |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213082200U true CN213082200U (en) | 2021-04-30 |
Family
ID=75631952
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021788518.3U Active CN213082200U (en) | 2020-08-25 | 2020-08-25 | Needle valve heat is chewed with adjustable export size |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213082200U (en) |
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2020
- 2020-08-25 CN CN202021788518.3U patent/CN213082200U/en active Active
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