CN202498693U - Hot runner device with valve needle adjusting structure - Google Patents
Hot runner device with valve needle adjusting structure Download PDFInfo
- Publication number
- CN202498693U CN202498693U CN2012200592477U CN201220059247U CN202498693U CN 202498693 U CN202498693 U CN 202498693U CN 2012200592477 U CN2012200592477 U CN 2012200592477U CN 201220059247 U CN201220059247 U CN 201220059247U CN 202498693 U CN202498693 U CN 202498693U
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- CN
- China
- Prior art keywords
- needle
- hot runner
- runner device
- adjustment structure
- accommodation space
- 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.)
- Expired - Fee Related
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Abstract
The utility model relates to a hot runner device with a valve needle adjusting structure. The valve needle adjusting structure can be used for adjusting the length of a valve needle and is applied to the hot runner device. The hot runner device with the valve needle adjusting structure comprises a cylinder body, a valve body, and a hot runner main body, and is characterized in that a containing space is arranged in the cylinder body; a piston is arranged in the containing space; a valve needle base is arranged in the piston; an internal thread is arranged in the valve needle base; the valve needle is arranged at one end of the valve body; an adjusting body is arranged at the other end of the valve body; a first external thread is arranged on the adjusting body; and the first external thread is screwed to the internal thread.
Description
Technical field
The utility model relates to a kind of hot runner device with needle adjustment structure, relates in particular to a kind of hot runner device of adjustable valve pin length.
Background technology
Existing needle valve type hot runner ejection formation is to utilize material pipe heating of plastic, the plastics viscosity is descended after; Via the shearing effect between screw rod rotation and material pipe; Softening thermoplastic materials is injected mould,, promptly get into pressurize, cool off and eject in case plastics are full of mould; Accomplish a production cycle, like TaiWan, China M306619 and M353823 patent.
Through looking into, general thermoplastic materials like Fig. 1, shown in Figure 2, after plastics are full of mould, utilizes pneumatic cylinder 120 to drive the hole 140 that needle 110 in these pistons 100 is crammed mould 130 downwards in injection process, continues softening thermoplastic materials is injected mould stopping; But mould 130 and hole 140 have manufacturing tolerance, build-up tolerance, abrasion error etc., and aforementioned tolerance is or/and error lets the needle 110 that driven by pneumatic cylinder 120; Can't cram the hole 140 of mould 130 really; Pour into the plastics thereby the outflow of mould 130, and, then can oppress and make needle 110 hole 140 of collision mould 130 downwards if strengthen the hole 140 that the driving force of pneumatic cylinder 120 is crammed mould 130; Cause hole 140 to produce slight crack 150, mold damage 130.
According to above-mentioned, if needle 110 tool adjustment length function not then can reduce the quality of production, even mold damage.
The utility model content
In view of the shortcoming of aforementioned background art, the utility model provides a kind of needle adjustment structure, designs adjustable valve pin length by this and is applied to the needle adjustment structure on the hot runner device, solves the shortcoming of existing hot runner needle adjustment difficulty.
In order to achieve the above object; The utility model provides a kind of hot runner device with needle adjustment structure; This needle adjustment structure can be adjusted needle length and be applied on the hot runner device; This hot runner device with needle adjustment structure comprises: a cylinder body, a valve body and a hot runner main body is characterized in that:
Be provided with an accommodation space in this cylinder body, be provided with a piston in this accommodation space, establish a needle seat in this piston, be provided with internal thread in this needle seat;
This valve body one end is provided with a needle, and this valve body other end is provided with an adjustment body, and this accent is provided with first external screw thread on the whole, and this first external thread spiro fastening is on this internal thread.
In addition, the utility model provides a pushing body, and this pushing body pushing should be adjusted body; By this, prevent that this adjustment body is loosening, and then prevent this needle improper shift.
In addition, the pushing body that the utility model provides is provided with second external screw thread, and this second external screw thread is fixed on this internal thread; By this, spiral shell should push body pushing adjustment body admittedly, produced when preventing this this adjustment body of pushing body pushing and became flexible, and avoided this adjustment body rotation, and then prevented this needle improper shift.
The hot runner device with needle adjustment structure of the utility model has one or more following advantages:
1, the hot runner device of the tool needle of the utility model adjustment structure is with screw-in version adjustment position, adjusts needle length, and this mechanical type method of adjustment is simple in structure and for confirming structure, the puzzlement of nondeterministic statement or control can not occur.
2, the hot runner device with needle adjustment structure of the utility model therefore along with suitable screw thread is selected for use, can promote the adjustment precision for screw-in version adjustment position.
3, the hot runner device with needle adjustment structure of the utility model can be used for air pressure driving or drive device for hydraulic, the compatibility of tool height and applicability.
4, the hot runner device with needle adjustment structure of the utility model can be provided with the pushing body, utilizes pushing body pushing adjustment body, prevents the needle improper shift.
5, the hot runner device with needle adjustment structure of the utility model, adjustable valve pin length are reached the lifting machining accuracy, reduce built-up time, save maintenance cost, are increased productivity with the die length deviation on the compensation Jet forming machine.
Fig. 1 is the known needle valve type hot runner device that can not adjust needle length, discloses the view that this needle can't be crammed the mould hole among the figure.
Fig. 2 is the known needle valve type hot runner device that can not adjust needle length, and after the announcement needle collided the mould hole among the figure, the view of slight crack appearred in hole.
Fig. 3 is the front view of the hot runner device with needle adjustment structure of the utility model, discloses the annexation of each assembly in this front view, also discloses first passage and second channel in this front view.
Fig. 4 is the right side view of the hot runner device with needle adjustment structure of the utility model, discloses the annexation of each assembly in this right side view.
The 5th figure is the partial enlarged view of Fig. 4, discloses the annexation of each assembly in this view.
Fig. 6 is the sketch map of the needle seat of the hot runner device with needle adjustment structure of the utility model.
Fig. 7 is the needle adjustment structural upright cutaway view of the hot runner device valve body with needle adjustment structure of the utility model.
Fig. 8 is the sketch map of valve body in the hot runner device with needle adjustment structure of the utility model and pushing body.
Fig. 9 is the sketch map that changes of spiral shell not of the adjustment body in the hot runner device with needle adjustment structure of the utility model.
Figure 10 adjusts the sketch map that adjustment body spiral shell in the needle seat of the hot runner device of structure changes the displacement of back generation needle for the needle that has of the utility model, discloses spiral shell modulation integral body in this sketch map, and this adjustment body spiral shell on the needle seat is moving, the displacement of drive needle.
Figure 11 is the sketch map of the pushing body pushing adjustment body of the hot runner device with needle adjustment structure of the utility model; Disclose spiral shell in this sketch map and should the pushing of pushing body adjust body admittedly; Produce loosening when preventing this this adjustment body of pushing body pushing; Avoid this adjustment body rotation, and then prevent this needle improper shift.
Figure 12 drives the sketch map that needle rises for the piston of the hot runner device with needle adjustment structure of the utility model; Disclose in this sketch map, guide rod is restrained motion in guide groove, and gas is shown in arrow; Gas imports cylinder interior by second channel; Ejector ram and needle move up, and the upper gas of piston is discharged by first passage.
Figure 13 drives the sketch map that needle descends for the piston of the hot runner device with needle adjustment structure of the utility model; Disclose in this sketch map, guide rod is restrained motion in guide groove, and gas is shown in arrow; Gas imports cylinder interior by first passage; Ejector ram and needle move down, and the lower gas of piston is discharged by second channel.
Description of drawings
Fig. 1 is the known needle valve type hot runner device that can not adjust needle length, discloses the view that this needle can't be crammed the mould hole among the figure;
Fig. 2 is the known needle valve type hot runner device that can not adjust needle length, and after the announcement needle collided the mould hole among the figure, the view of slight crack appearred in hole;
Fig. 3 is the front view of the hot runner device with needle adjustment structure of the utility model, discloses the annexation of each assembly in this front view, also discloses first passage and second channel in this front view;
Fig. 4 is the right side view of the hot runner device with needle adjustment structure of the utility model, discloses the annexation of each assembly in this right side view;
The 5th figure is the partial enlarged view of Fig. 4, discloses the annexation of each assembly in this view;
Fig. 6 is the sketch map of the needle seat of the hot runner device with needle adjustment structure of the utility model;
Fig. 7 is the needle adjustment structural upright cutaway view of the hot runner device valve body with needle adjustment structure of the utility model;
Fig. 8 is the sketch map of valve body in the hot runner device with needle adjustment structure of the utility model and pushing body;
Fig. 9 is the sketch map that changes of spiral shell not of the adjustment body in the hot runner device with needle adjustment structure of the utility model;
Figure 10 changes the sketch map that the back produces the needle displacement for adjustment body spiral shell in the needle seat of the hot runner device with needle adjustment structure of the utility model;
Figure 11 is the sketch map of the pushing body pushing adjustment body of the hot runner device with needle adjustment structure of the utility model;
Figure 12 drives the sketch map that needle rises for the piston of the hot runner device with needle adjustment structure of the utility model;
Figure 13 drives the sketch map that needle descends for the piston of the hot runner device with needle adjustment structure of the utility model.
The primary clustering symbol description
10 cylinder bodies
11 accommodation spaces
111 first passages
112 second channels
12 pistons
13 needle seats
131 internal threads
20 valve bodies
21 first grooves
211 first hexagonal groove
22 needles
221 displacements
23 adjustment bodies
231 first external screw threads
30 hot runner main bodys
31 charging apertures
311 first flows
32 discharging openings
321 second runners
40 pushing bodies
41 second grooves
411 second hexagonal groove
42 second external screw threads
50 guide rods
60 guide grooves
100 pistons
110 needles
120 pneumatic cylinders
130 moulds
140 holes
150 slight cracks
The specific embodiment
The utility model can fully be understood by following embodiment explanation, make those skilled in the art to accomplish based on this utility model, yet the enforcement of the utility model is not can be limited it by the following example to implement kenel.
Extremely shown in Figure 13 like Fig. 3.The utility model is a kind of hot runner device with needle adjustment structure; This needle adjustment structure is adjustable valve pin length and is applied on the hot runner device; This hot runner device with needle adjustment structure comprises: a cylinder body 10 and a valve body 20, wherein: be provided with an accommodation space 11 in this cylinder body 10, be provided with a piston 12 in this accommodation space 11; Establish a needle seat 13 in this piston 12, be provided with internal thread 131 in this needle seat 13; These valve body 20 1 ends are provided with a needle 22, and these valve body 20 other ends are provided with an adjustment body 23, and this adjustment body 23 is provided with one first external screw thread 231, and this first external screw thread 231 is screwed together on this internal thread 131; Should adjust body 23 through rotation, and make this adjustment body 23 spiral shell on this needle seat 13 moving, drive this needle displacement 221.
In addition, among this embodiment, this adjustment body 23 is provided with one first groove 21; By this, can not stretch into an instrument (disclosing among the figure) in this first groove 21, utilize this adjustment body 23 of this instrument (not disclosing among the figure) rotation, make this adjustment body 23 spiral shell on this needle seat 13 moving, drive this needle displacement 221.
In addition, among this embodiment, this first groove 21 is first hexagonal groove 211; By this, can not stretch into a die nut (disclosing among the figure) in this first hexagonal groove 211, utilize this adjustment body 23 of this die nut (not disclosing among the figure) rotation, make this adjustment body 23 spiral shell on this needle seat 13 moving, drive this needle displacement 221.
In addition, among this embodiment, these adjustment body 23 tops are provided with a pushing body 40, and this this adjustment body 23 of pushing body 40 pushing by this, prevents that this adjustment body 23 from rotating and drive this needle 22 improper shifts.
In addition, among this embodiment, this pushing body 40 is provided with second external screw thread 42, and this second external screw thread 42 is fixed on this internal thread 131; By this, spiral shell is somebody's turn to do 40 pushings of pushing body admittedly should adjust body 23, and it is loosening to prevent that this pushing body 40 from producing when pushing these adjustment bodies 23, avoided this adjustment body 23 rotations, and then prevented this needle 22 improper shifts.
In addition, among this embodiment, this pushing body 40 is provided with one second groove 41; By this; Can not stretch into an instrument (disclosing among the figure) in this second groove 41; Utilize this instrument (disclosing among the figure) to rotate this pushing body 40, spiral shell should 40 pushings of pushing body should be adjusted body 23 admittedly, produced loosening when preventing these pushing body 40 these adjustment bodies 23 of pushing; Avoid this adjustment body 23 rotations, and then prevent this needle 22 improper shifts.
In addition, among this embodiment, this second groove 41 is one second hexagonal groove 411; By this; Can not stretch into a die nut (disclosing among the figure) in this second hexagonal groove 411; Utilize this die nut (disclosing among the figure) to rotate this pushing body 40, spiral shell should 40 pushings of pushing body should be adjusted body 23 admittedly, produced loosening when preventing these pushing body 40 these adjustment bodies 23 of pushing; Avoid this adjustment body 23 rotations, and then prevent this needle 22 improper shifts.
In addition, among this embodiment, this piston 12 is provided with a guide rod 50, is provided with a guide groove 60 in this accommodation space 11, and this accommodation space 11 is provided with a first passage 111 and a second channel 112 of external connection; By this, the restrained motion in this guide groove 60 of this guide rod 50 utilizes this first passage 111 and this second channel 112, alternately imports gas or discharges gas, drives this piston 12 and moves back and forth at this accommodation space 11, drives this needle sealing or opens this discharging opening.
In addition, among this embodiment, this hot runner device with needle adjustment structure also comprises: a hot runner main body 30; Wherein: this hot runner main body 30, be provided with a first flow 311, one second runner 321, a charging aperture 31 and a discharging opening 32, wherein: this charging aperture 31 is communicated with this first flow 311; This first flow 311 is communicated with this second runner 321; This second runner 321 is provided with this discharging opening 32, and this needle 22 is positioned at this second runner 321, and can in this second runner 321, move; By this, in conjunction with this hot runner main body 30 and this needle adjustment structure.
Though the utility model is disclosed with above-mentioned preferred embodiment; But it is not in order to limit the scope of the utility model; Any those skilled in the art; In spirit that does not break away from the utility model and scope, can do a little change and retouching, so the claim protection domain that the protection domain of the utility model is worked as with this application is defined.
Claims (10)
1. one kind has the hot runner device that needle is adjusted structure; This needle adjustment structure can be adjusted needle length and be applied on the hot runner device; This hot runner device with needle adjustment structure comprises: a cylinder body, a valve body and a hot runner main body is characterized in that:
Be provided with an accommodation space in this cylinder body, be provided with a piston in this accommodation space, establish a needle seat in this piston, be provided with internal thread in this needle seat;
This valve body one end is provided with a needle, and this valve body other end is provided with an adjustment body, and this accent is provided with first external screw thread on the whole, and this first external thread spiro fastening is on this internal thread.
2. the hot runner device with needle adjustment structure according to claim 1, it is characterized in that: this accent is provided with one first groove on the whole.
3. the hot runner device with needle adjustment structure according to claim 2, it is characterized in that: this first groove is first hexagonal groove.
4. according to claim 1,2 or 3 described hot runner devices with needle adjustment structure, it is characterized in that: this adjustment body top is provided with a pushing body, and this pushing body pushing should the adjustment body, prevents that this adjustment body from rotating and drive this needle displacement.
5. the hot runner device with needle adjustment structure according to claim 4, it is characterized in that: this pushing body is provided with second external screw thread, and this second external screw thread is fixed on this internal thread; By this, solid this this adjustment body of pushing body pushing of spiral shell.
6. the hot runner device with needle adjustment structure according to claim 5, it is characterized in that: this piston is provided with a guide rod, is provided with a guide groove in this accommodation space, and this accommodation space is provided with a first passage and a second channel of external connection; The restrained motion in this guide groove of this guide rod utilizes this first passage and this second channel, alternately imports gas or discharges gas, drives this piston and moves back and forth at this accommodation space.
7. the hot runner device with needle adjustment structure according to claim 5, it is characterized in that: this pushing body is provided with one second groove.
8. the hot runner device with needle adjustment structure according to claim 7, it is characterized in that: this piston is provided with a guide rod, is provided with a guide groove in this accommodation space, and this accommodation space is provided with a first passage and a second channel of external connection; The restrained motion in this guide groove of this guide rod utilizes this first passage and this second channel, alternately imports gas or discharges gas, drives this piston and moves back and forth at this accommodation space.
9. the hot runner device with needle adjustment structure according to claim 7, it is characterized in that: this second groove is one second hexagonal groove.
10. the hot runner device with needle adjustment structure according to claim 9, it is characterized in that: this piston is provided with a guide rod, is provided with a guide groove in this accommodation space, and this accommodation space is provided with one of an external connection first passage and a second channel; The restrained motion in this guide groove of this guide rod utilizes this first passage and this second channel, alternately imports gas or discharges gas, drives this piston and moves back and forth at this accommodation space.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200592477U CN202498693U (en) | 2012-02-21 | 2012-02-21 | Hot runner device with valve needle adjusting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200592477U CN202498693U (en) | 2012-02-21 | 2012-02-21 | Hot runner device with valve needle adjusting structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202498693U true CN202498693U (en) | 2012-10-24 |
Family
ID=47035319
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200592477U Expired - Fee Related CN202498693U (en) | 2012-02-21 | 2012-02-21 | Hot runner device with valve needle adjusting structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202498693U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103252874A (en) * | 2012-02-21 | 2013-08-21 | 模懋实业股份有限公司 | Hot runner device with valve pin adjustment structure |
| CN103507234A (en) * | 2013-09-18 | 2014-01-15 | 苏州好特斯模具有限公司 | Adjustable valve-needle piston component |
-
2012
- 2012-02-21 CN CN2012200592477U patent/CN202498693U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103252874A (en) * | 2012-02-21 | 2013-08-21 | 模懋实业股份有限公司 | Hot runner device with valve pin adjustment structure |
| CN103507234A (en) * | 2013-09-18 | 2014-01-15 | 苏州好特斯模具有限公司 | Adjustable valve-needle piston component |
| CN103507234B (en) * | 2013-09-18 | 2018-05-08 | 苏州好特斯模具有限公司 | Adjustable valve-needle piston component |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121024 Termination date: 20160221 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |