CN207954522U - A kind of needle-valve hot flow path air cylinder structure - Google Patents
A kind of needle-valve hot flow path air cylinder structure Download PDFInfo
- Publication number
- CN207954522U CN207954522U CN201721830889.1U CN201721830889U CN207954522U CN 207954522 U CN207954522 U CN 207954522U CN 201721830889 U CN201721830889 U CN 201721830889U CN 207954522 U CN207954522 U CN 207954522U
- Authority
- CN
- China
- Prior art keywords
- cylinder body
- space
- needle
- piston
- piston rod
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Abstract
A kind of needle-valve hot flow path air cylinder structure, including pedestal, it is fixedly connected on pedestal and is formed with base engagement the template of enclosure space, it is arranged in the enclosure space and enclosure space is divided into the cylinder body of upper space and down space, cylinder body is divided into the upper cylinder body positioned at upper space and the lower cylinder body positioned at down space, slide the piston rod between upper cylinder body and lower cylinder body, the lower piston of lower cylinder body inner wall sliding is integrally formed and abutted with piston rod, it is fixedly connected on the piston rod and abuts the upper piston of wall slip in upper cylinder body, it is opened in the enterprising stomata being connected with upper space in template, it is opened in the lower air admission hole being connected with down space in template, it is opened in the stomata of pushing pin on the cylinder body and for being connected to space and lower piston upper end space, and, it is fixedly connected with adjustable needle structure on the piston rod；The characteristics of with increasing needle thrust, reducing cylinder volume, reduce production cost, improve service life.
Description
Technical field
The utility model is related to injection-moulding device fields, more specifically, it relates to a kind of needle-valve hot flow path air cylinder structure.
Background technology
Hot-runner device in injection-moulding device is generally divided into open and two kinds of needle valve；For the heat of common needle valve
Flow passage device generally comprises cylinder, hot nozzle ontology, needle, valve needle cover, flow distribution plate；By needle hot nozzle body interior shifting
Dynamic and keying is located at the injection hole of hot nozzle body tip, and needs when sealing needle between needle and mold realize that precision is bonded.
In the hot-runner device of existing needle valve, injection moulding process need needle have compared with high thrust come ensure be molded matter
Amount, in the case that being passed through, air pressure is identical, and existing needle valve type hot runner can realize increase thrust by intensifying cylinder volume,
But this structure increases template thickness and difficulty of processing, has and increases production cost, the not strong disadvantage of practicability.
Utility model content
In view of the deficienciess of the prior art, the purpose of this utility model is to provide a kind of needle-valve hot flow path cylinder knots
The characteristics of structure has and increases needle thrust, reduces cylinder volume, reduce production cost, improve service life.
The above-mentioned technical purpose of the utility model technical scheme is that：A kind of needle-valve hot flow path gas
Cylinder structure, including pedestal, be fixedly connected on pedestal and with base engagement formed enclosure space template, be arranged in the closing
Be divided into the cylinder body of upper space and down space in space and enclosure space, cylinder body be divided into positioned at upper space upper cylinder body and be located at
Piston rod between upper cylinder body and lower cylinder body of the lower cylinder body of down space, sliding is integrally formed with piston rod and abuts lower cylinder body
The lower piston of inner wall sliding is fixedly connected on the piston rod and abuts the upper piston of wall slip in upper cylinder body, is opened in template
The enterprising stomata that is connected with upper space is opened in the lower air admission hole being connected with down space in template, is opened in the cylinder body
Go up and be used to be connected to space and lower piston upper end space push pin stomata and, be fixedly connected with adjustable valve on the piston rod
Needle construction；
The adjustable needle structure include spiral be connected in piston rod axis inner cavity adjusting nut, be fixed on adjusting spiral shell
The needle of female one end, is located at the fixing nut for abutting against the adjusting nut other end and being alternatively connected in piston rod axis inner cavity
In the axis inner cavity of pedestal and it is set in the valve needle cover outside needle and spiral is connected in the axis inner cavity of pedestal and contradicts
The clamp nut of needle set upper side.
By using above-mentioned technical proposal, enterprising gas port is passed through compressed gas, into upper space and push upper piston to
Piston rod is pushed, and compressed gas enters the enclosure space that lower piston rod is formed with lower cylinder body by connecting through-hole simultaneously
It is interior, make the upper surface of lower piston also by the pressure of compressed air, to which lower piston pushes piston rod to move down simultaneously, due to
Upper piston is applied to the downward thrust of piston rod simultaneously with lower piston, to have high thrust when making piston rod that needle be pushed to move down,
It pushes pin quickly；When needing the withdraw of the needle, compressed gas is entered by lower air admission hole in down space, the lower surface of lower piston and lower cylinder body
The confined space of formation is connected with down space, and compressed air pushes the lower surface of lower piston and then drives piston rod, upper space
In gas be discharged from enterprising stomata, piston rod drive needle move up, realize withdraw of the needle process；Pass through enterprising stomata and lower air admission hole
Alternating is passed through compressed air to realize reciprocal push pin and withdraw of the needle process；Turning adjusting nut can drive needle in piston rod
Sliding up and down in chamber, so as to adjust needle position, by tightening fixing nut to secured adjusted nut, valve needle cover is outside needle
Needle is fixed in side, so that valve needle cover is pressed on the flow distribution plate of cylinder lower part by adjusting clamp nut.
The utility model is further arranged to：The water route for cooling down cylinder is offered in template.
By using above-mentioned technical proposal, the faster reciprocal motion of cylinder makes friction generate big calorimetric, and heat concentration can add
The damage of fast part makes heat be discharged by water route, can extend the service life of cylinder.
The utility model is further arranged to：Between the lower piston and lower cylinder body, between upper piston and upper cylinder body, piston
It is provided with sealing ring between bar and cylinder body, between adjusting nut and piston rod axis inner cavity.
By using above-mentioned technical proposal, sealing ring, which can seal, separates each independent section, avoids each region gas leakage.
In conclusion the utility model has the advantages that：
1, highly practical with the thrust than common cylinder bigger；
2, same thrust is realized compared to common cylinder, it is more small than common cylinder, reduce production cost；
3, the adjustable impact for reducing needle to benevolence mould of stroke, increases the service life of mold.
Description of the drawings
Fig. 1 is the feature cross-section schematic diagram under the state of pushing pin of embodiment one；
Fig. 2 is the feature cross-section schematic diagram under the withdraw of the needle state of embodiment one.
In figure：1, pedestal；2, template；3, enclosure space；4, cylinder body；5, upper space；6, down space；7, upper cylinder body；8, under
Cylinder body；10, piston rod；11, lower through-hole；12, lower piston；13, end spaces under lower piston；14, lower piston upper end space；15, on
Piston；16, upper piston upper end space；17, end spaces under upper piston；18, enterprising stomata；19, lower air admission hole；20, it pushes pin stomata；
21, adjustable needle structure；22, adjusting nut；23, needle；24, fixing nut；25, valve needle cover；26, clamp nut；27, water
Road；28, sealing ring；30, flow distribution plate.
Specific implementation mode
With reference to the accompanying drawings and examples, the utility model is described in detail.
A kind of needle-valve hot flow path air cylinder structure is fixed on pedestal 1 by screw as shown in Figure 1, including pedestal 1
There are template 2, template 2 with inner cavity and to cooperatively form enclosure space 3 with pedestal 1, inlay card is fixed with cylinder body 4 in enclosure space 3,
Enclosure space 3 is divided into upper space 5 and down space 6 by cylinder body 4, and cylinder body 4 includes upper cylinder body 7, the Yi Jiwei positioned at upper space 5
There is gap between the lower cylinder body 8 of down space 6,5 inner wall of 7 inner wall of upper cylinder body and upper space, is connected by the upper opening of upper cylinder body 7
It is logical, there is gap between 6 inner wall of 8 inner wall of lower cylinder body and down space, piston rod 10 is connected in the location mid-shaft sliding of cylinder body 4, it is living
Stopper rod 10 is applied between upper cylinder body 7 and lower cylinder body 8, is located in lower cylinder body 8 and with piston rod 10 integrally formed with lower piston 12,
Lower piston 12 abuts the sliding of 8 inner wall of lower cylinder body, as shown in Fig. 2, 12 upper surface of lower piston is lower work with the region that lower cylinder body 8 is formed
End spaces 14 beyond the Great Wall, as shown in Figure 1,12 lower surface of lower piston is end spaces 13 under lower piston, position with the region that lower cylinder body 8 is formed
Lower through-hole 11 is offered in the lower part of 8 inner wall of lower cylinder body and close to the position of pedestal 1, lower through-hole 11 is connected to end spaces under lower piston
13 with down space 6；Upper piston 15 is fixedly connected with by clamp spring in upper cylinder body 7 and on piston rod 10, as shown in Fig. 2,
15 upper surface of upper piston is upper piston upper end space 16, upper piston upper end space 16 and upper space 5 with the region that upper cylinder body 7 is formed
Connection, the region that 15 lower surface of upper piston as shown in Figure 1 is formed with upper cylinder body 7 is end spaces 17 under upper piston, and upper piston 15 supports
Wall slip in upper cylinder body 7 is touched, offers enterprising stomata 18 on 2 top of template, enterprising stomata 18 is connected with upper space 5, in mould
The lower part of plate 2 offers lower air admission hole 19, and lower air admission hole 19 is connected with down space 6, and stomata of pushing pin is offered on cylinder body 4
20, stomata 20 of pushing pin connects upper space 5 and lower piston upper end space 14；It is fixedly connected in the location mid-shaft of piston rod 10 adjustable
Needle structure 21.
Enterprising stomata 18 is passed through compressed gas, into upper space 5 and upper piston 15 being pushed to be pressed downward piston rod 10, and
Compressed gas enters lower piston upper end space 14 by through-hole 20 of pushing pin simultaneously, and the upper surface of lower piston 12 is made also to be compressed
The pressure of air, to which lower piston 12 pushes piston rod 10 to move down simultaneously, since upper piston 15 and lower piston 12 are applied simultaneously
The downward thrust of piston rod 10 is added to, to there is more high thrust when making piston rod 10 that adjustable needle structure 21 be pushed to move down, is realized
Quickly push pin；When needing the withdraw of the needle, compressed gas by lower air admission hole 19 enter down space 6 in, and then by lower through-hole 11 into
End spaces 13 under entering to lower piston, compressed air pushes the lower surface of lower piston 12 and then drives piston rod 10, in upper space 5
Gas is discharged from enterprising stomata 18, and piston rod 10 drives adjustable needle structure 21 to move up, and realizes withdraw of the needle process；Enterprising stomata 18 with
Lower air admission hole 19 is alternately passed through compressed air to realize reciprocal push pin and withdraw of the needle process.
It is connected to adjusting spiral shell in 10 axis inner cavity of piston rod as shown in Fig. 2, 21 structure of adjustable needle structure includes spiral
Mother 22, needle 23 is fixedly connected in 22 one end of adjusting nut, is located at 22 top of adjusting nut and in 10 axis inner cavity of piston rod
Middle spiral is connected with fixing nut 24, and fixing nut 24 is tightly attached to the upper end of adjusting nut 22, in the axis inner cavity of pedestal 1 simultaneously
It is equipped with valve needle cover 25 in 23 outer cover of needle, spiral is connected with clamp nut 26, clamp nut 26 in the axis inner cavity of pedestal 1
Contradict 25 upper end of valve needle cover.
The sliding up and down in 10 inner cavity of piston rod of needle 23 can be driven by turning adjusting nut 22, so as to adjust needle 23
Position, by tightening fixing nut 24 to secured adjusted nut 22, valve needle cover 25 passes through in the fixed needle 23 in 23 outside of needle
Adjustment clamp nut 26 makes valve needle cover 25 be pressed on the flow distribution plate 30 of cylinder lower part.
As shown in Fig. 2, offering the water route 27 for cooling down cylinder in template 2, water route 27 is located at the two of enclosure space 3
The faster reciprocal motion of side, cylinder makes friction generate big calorimetric, and heat concentrates the damage that can accelerate part, makes heat by water route 27
Amount discharge, can extend the service life of cylinder.
Between lower piston 12 and lower cylinder body 8, between upper piston 15 and upper cylinder body 7, between piston rod 10 and cylinder body 4, adjust
Seal groove is offered between section nut 22 and 10 axis inner cavity of piston rod, inlay card has sealing ring 28 in seal groove；Sealing ring 28 can
Each independent section is separated with sealing, avoids each region gas leakage.
For same common cylinder, this air cylinder structure is simple and practical, upper piston 15 and lower piston 12 stress simultaneously,
The thrust of the same cylinder of the thrust ratio of the cylinder inner valve needle 23 is set to want 50 big percent, the cylinder of an equal amount of power, this gas
Template used 2 plate thickness of cylinder is fewer than same cylinder, has saved die cost, and it is right that needle 23 is greatly reduced since stroke is adjustable
The impact of mode can be widely applied to increase the service life of mold in the needle valve system of hot flow path.
The above is only the preferred embodiment of the utility model, and the scope of protection of the utility model is not limited merely to
Above-described embodiment, technical solution belonging to the idea of the present invention belong to the scope of protection of the utility model.It should refer to
Go out, for those skilled in the art, it is without departing from the principle of the utility model it is several improvement and
Retouching, these improvements and modifications also should be regarded as the scope of protection of the utility model.
Claims (3)
1. a kind of needle-valve hot flow path air cylinder structure, it is characterised in that：Including pedestal (1), be fixedly connected on pedestal (1) and with
Pedestal (1) cooperatively forms the template (2) of enclosure space (3), setting in the enclosure space (3) and enclosure space (3) point
It is divided into the cylinder body (4) of space (5) and down space (6), cylinder body (4) is divided into positioned at the upper cylinder body (7) of upper space (5) and under being located at
The lower cylinder body (8) in space (6) slides piston rod (10) and piston rod (10) one between upper cylinder body (7) and lower cylinder body (8)
Lower piston (12) that is body formed and being connected to the sliding of lower cylinder body (8) inner wall is fixedly connected on piston rod (10) and abuts upper cylinder half
The upper piston (15) of body (7) interior wall slip is opened in the enterprising stomata (18) being connected with upper space (5) in template (2), opens up
The lower air admission hole (19) that is connected with down space (6) in template (2) is opened on the cylinder body (4) and for being connected to overhead
Between (5) and lower piston upper end space (14) stomata of pushing pin (20) and, the adjustable needle being fixedly connected on piston rod (10)
Structure (21)；
The adjustable needle structure (21) includes adjusting nut (22), the fixation that spiral is connected in piston rod (10) axis inner cavity
Adjusting nut (22) one end needle (23), abut against adjusting nut (22) other end and be alternatively connected in piston rod (10)
Fixing nut (24) in axis inner cavity is located in the axis inner cavity of pedestal (1) and is set in the external valve needle cover of needle (23)
(25) and spiral is connected in the axis inner cavity of pedestal (1) and contradicts the clamp nut (26) of valve needle cover (25) upper end.
2. a kind of needle-valve hot flow path air cylinder structure according to claim 1, it is characterised in that：It is opened up in template (2)
It is useful for the water route (27) of cooling cylinder.
3. a kind of needle-valve hot flow path air cylinder structure according to claim 1, it is characterised in that：The lower piston (12) with
Between lower cylinder body (8), between upper piston (15) and upper cylinder body (7), between piston rod (10) and cylinder body (4), adjusting nut (22)
It is provided with sealing ring (28) between piston rod (10) axis inner cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721830889.1U CN207954522U (en) | 2017-12-22 | 2017-12-22 | A kind of needle-valve hot flow path air cylinder structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721830889.1U CN207954522U (en) | 2017-12-22 | 2017-12-22 | A kind of needle-valve hot flow path air cylinder structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207954522U true CN207954522U (en) | 2018-10-12 |
Family
ID=63730013
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721830889.1U Active CN207954522U (en) | 2017-12-22 | 2017-12-22 | A kind of needle-valve hot flow path air cylinder structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207954522U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109159380A (en) * | 2018-11-09 | 2019-01-08 | 哈希斯热流道科技（苏州）有限公司 | A kind of injection mold double-piston needle-valve driving device |
-
2017
- 2017-12-22 CN CN201721830889.1U patent/CN207954522U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109159380A (en) * | 2018-11-09 | 2019-01-08 | 哈希斯热流道科技（苏州）有限公司 | A kind of injection mold double-piston needle-valve driving device |
| CN109159380B (en) * | 2018-11-09 | 2023-12-12 | 哈希斯热流道科技（苏州）有限公司 | Injection mold double-piston needle valve driving device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201544424U (en) | Integrated cylinder | |
| US20140178525A1 (en) | Stack Mold Transfer Device | |
| CN103286922B (en) | Injection molding die of backlight guide plate and injection molding method | |
| CN207954522U (en) | A kind of needle-valve hot flow path air cylinder structure | |
| CN206383429U (en) | A kind of injection mold structure | |
| CN203765977U (en) | Mold closing device of two-plate direct pressure injection molding machine | |
| CN204382610U (en) | Supplementary positive displacements etc. are accommodating changes clamping apparatus | |
| CN208576147U (en) | Steering column for vehicles shield injection mold with inner slide demoulding mechanism | |
| CN204894383U (en) | Injection mold with local feeding device | |
| CN108859012A (en) | For the gas-assisted molding device of injection mold and with its hot runner system | |
| CN103538224A (en) | Mould closing apparatus of two-plate vertical compression type injection molding machine | |
| CN209207944U (en) | Two-layer equation cylinder and hot-runner device with it | |
| CN208468940U (en) | For the gas-assisted molding device of injection mold and with its hot runner system | |
| CN204451116U (en) | One etc. are accommodating changes internal recycling vertical pressing formula clamping apparatus | |
| CN107030970B (en) | Cylinder assembly and hot flow path injection moulding apparatus for hot flow path injection moulding apparatus | |
| CN209566454U (en) | BMC plastic cement material sprue bushing injection structure | |
| CN211031047U (en) | Pressurizing cylinder for needle valve type hot runner system | |
| CN208978183U (en) | A kind of laminated type adapted to injection system | |
| CN104552841A (en) | Volume supplementary type mold locking device adopting equivalent volume replacement | |
| CN208133501U (en) | A kind of loose core of oil cylinder and the eccentric accurate inverted mold into glue of conversion angle | |
| CN109435167A (en) | Two-layer equation cylinder and hot-runner device with it | |
| CN206765252U (en) | LED lid mould | |
| CN219789143U (en) | Injection mold | |
| CN110815744A (en) | Injection mold without ejector plate and product demolding method thereof | |
| CN209141332U (en) | Hot runner system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP02 | Change in the address of a patent holder |
Address after: 518000 No. 201, Building A, 36, Shapuwei Second Industrial Zone, Songgang Street, Baoan District, Shenzhen City, Guangdong Province Patentee after: Shenzhen hope Technology Co., Ltd. Address before: 518000 No. 201, Building A, 36, Shapuwei Second Industrial Zone, Songgang Street, Baoan District, Guangzhou City, Guangdong Province Patentee before: Shenzhen hope Technology Co., Ltd. |
|
| CP02 | Change in the address of a patent holder |