CN102322520A - Air cylinder cover and air cylinder for hot runner system and needle valve type hot runner system - Google Patents
Air cylinder cover and air cylinder for hot runner system and needle valve type hot runner system Download PDFInfo
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- CN102322520A CN102322520A CN201110181099A CN201110181099A CN102322520A CN 102322520 A CN102322520 A CN 102322520A CN 201110181099 A CN201110181099 A CN 201110181099A CN 201110181099 A CN201110181099 A CN 201110181099A CN 102322520 A CN102322520 A CN 102322520A
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- cylinder
- hot runner
- tip
- needle
- cylinder block
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Abstract
The invention relates to the technical field of hot runner dies, providing an air cylinder cover and an air cylinder for a hot runner system and a needle valve type hot runner system. The air cylinder cover is used for sealing an air cylinder body in a hot runner template and comprises a cylinder cover body, wherein the cylinder cover body is provided with a positioning hole by which the cylinder cover body is fixed on the hot runner template; and a first annular groove for positioning a detaching tool is arranged on the side wall at the top of the cylinder cover body. In the invention, the annular groove is arranged on the air cylinder cover and is used as a supporting position for holding the detaching tool, thereby the air cylinder cover can be conveniently taken down, the time is saved, the operation of operators is greatly facilitated, the defects that a traditional air cylinder cover is difficult to detach and easy to damage are overcome, the cost is reduced and the processing cycle is shortened.
Description
Technical field
The present invention relates to the hot runner mould technical field, more particularly, relate to a kind of cylinder head, cylinder and needle valve TOP-TIP that is used for TOP-TIP.
Background technique
TOP-TIP can be divided into according to type: thermal spike formula TOP-TIP, water three kinds of shell type TOP-TIP and needle valve TOP-TIPs.Wherein, the needle valve hot runner to be saving material, the plastic surface aesthetic, simultaneously internal soundness closely, intensity advantages of higher and be widely used in automobile making, household electrical appliances, electronics, office equipment or the like.This system adopts needle under the effect of needle control gear, and the mode with mechanical motion in the time of setting opens or closes cast gate.And pressurized gas control is a kind of in the needle control gear, and this control gear comprises cylinder head, cylinder body, piston, parts such as needle and needle cover.Cylinder head is to be located on the whole cylinder body, plays the effect of sealing and fixing cylinder body, thereby forms a complete Pneumatic actuator.In existing a kind of needle valve TOP-TIP as shown in Figure 2, cylinder head 100 ' through screw in hot runner template 200 ' in, and matching gap is less relatively; Again because cylinder head 100 ' be circle; So in practical set is used, be difficult to take out, on average need cost 3 hours or longer even carry screw rear cylinder lid 100 ' still in dismounting; Have a strong impact on manufacturing schedule, thereby cause the production in later stage and maintenance cost to increase.
Summary of the invention
Technical problem to be solved by this invention is to overcome the defective of existing technology, provides a kind of simple in structure, the cylinder head that is used for TOP-TIP that is easy to dismantle, the cylinder that adopts this cylinder head and the needle valve TOP-TIP that this cylinder is installed.
For solving the problems of the technologies described above; Technological scheme of the present invention is: a kind of cylinder head that is used for TOP-TIP is provided; Be used to seal the cylinder block in the hot runner template; Comprise the cylinder cap body, said cylinder cap body is provided with and is used to be fixed in the positioning hole on the hot runner template, and the top sidewall of said cylinder cap body is provided with first annular groove that can supply the extracting tool location.
Further, the side walls of said cylinder cap body is provided with second annular groove that is used to place Sealing.
Further, the middle part of said cylinder cap body is provided with the convex annular edge, and said positioning hole is located at said convex annular along last.
Further, said positioning hole is a plurality of, is uniformly distributed in said convex annular along last.
The present invention also provides a kind of cylinder that is used for TOP-TIP, comprises the cylinder block of the groove frame that places the hot runner template and the cylinder head that is sealingly fastened in said cylinder block top, and said cylinder head is above-mentioned air cylinder head structure.
Particularly; Be provided with piston in the said cylinder block; Said piston has the boss of conflicting with said cylinder block inwall, and said boss is separated into upper chamber and lower chambers with said cylinder block inside, is respectively equipped with upper vent hole on the said cylinder block and on the sidewall of corresponding said upper chamber and lower chambers and reaches vent down; The bottom of said piston is provided with a needle-valve, and said needle-valve is stretched out by the bottom of said cylinder block.
Further, the bottom centre of said cylinder block also is provided with a guide sleeve, and said needle-valve is by stretching out said cylinder block in the said guide sleeve.
Further, surface of contact is arranged all on said cylinder block, needle, piston and the guide sleeve, be equipped with seal ring between each surface of contact.
Preferably, said cylinder adopts stainless steel material to process.
The present invention also provides a kind of needle valve TOP-TIP; Comprise the hot runner template, be located at the cylinder in the said hot runner template, said cylinder is above-mentioned cylinder; Be provided with a casting gate in the said hot runner manifold, the bottom of said needle-valve is removable to place said casting port position.
Among the present invention,, utilize this groove to place extracting tool as a supporting position with an annular groove is set on the cylinder head; Thereby can easily cylinder head be taken off; Saved the time, easy-to-operat personnel operation has greatly solved the flimsy defective of the difficult dismounting of former cylinder head; Reduce cost, shortened the process-cycle.
Description of drawings
Fig. 1 is the structural representation of existing a kind of TOP-TIP provided by the invention.
Fig. 2 is the structural representation of a preferred embodiment of the cylinder head that is used for TOP-TIP provided by the invention;
Fig. 3 is an A-A cut-away view among Fig. 2;
Fig. 4 is the structural representation that the TOP-TIP of cylinder is installed in the embodiment of the invention.
Embodiment
In order to make the object of the invention, technological scheme and advantage clearer,, the present invention is further elaborated below in conjunction with accompanying drawing and embodiment.Should be appreciated that specific embodiment described herein only in order to explanation the present invention, and be not used in qualification the present invention.
With reference to Fig. 2, Fig. 3, be the structural representation of a preferred embodiment of the cylinder head that is used for TOP-TIP provided by the invention.Said cylinder head 100 comprises cylinder cap body 110, and cylinder cap body 110 is provided with positioning hole 111, and the top sidewall of cylinder cap body 110 is provided with first annular groove 112 that can supply the extracting tool location.In the present embodiment; With first annular groove 112 is set on the cylinder cap body 110; Utilize this groove to place extracting tool, make extracting tool, be placed to an end of instrument arbitrary position of the first loop concave groove 112 as selecting two contracts or long iron staff for use as a supporting position; As fulcrum, the instrument the other end of pinning can lever up cylinder cap 100 to pressing down at leisure with this.Like this, cylinder cap just can easier remove.The time do not receive the restriction of instrument in operation yet, can choose suitable working tool whenever and wherever possible like interior hexagonal chi, screw, thimble etc., it is convenient to bring to operator thus, saves the time.Solve the flimsy defective of the difficult dismounting of former cylinder head like this, not only laborsavingly saved time but also make things convenient for installing/dismounting, reduced cost, shortened the process-cycle.
As one embodiment of the invention, the side walls of cylinder cap body 110 is provided with second annular groove 113 that is used to place Sealing.
As one embodiment of the invention, the middle part of cylinder cap body 110 is provided with convex annular along 114, and positioning hole 111 is located at convex annular along on 114.Like this, positioning hole 111 is located at convex annular along 114, like this, can stop on the one hand and utilize first annular groove 112 to dismantle cylinder head 100, on the other hand, this structure also is convenient to cylinder head 100 placements are fixed in the template of TOP-TIP.
In the present embodiment, positioning hole 111 is four, and is ellipse, is uniformly distributed in convex annular along on 114.Like this, multi-faceted location guarantees that cylinder head 100 cooperates with the no gap of hot runner template.Need to prove that the quantity of positioning hole 111 is not limited to the quantity in the present embodiment, also can be a plurality ofly, also can be other shape.
With reference to Fig. 4, the present invention also provides a kind of cylinder 200 that is used for TOP-TIP, and it places TOP-TIP 300.The cylinder head 100 that cylinder 200 comprises cylinder block 210 and is sealingly fastened in cylinder block 210 tops, cylinder head 100 is above-mentioned structure, does not give unnecessary details here.
Particularly; Be provided with piston 220 in the cylinder block 210; Piston 220 has the boss 221 of conflicting with cylinder block 210 inwalls, and boss 221 is separated into upper chamber 211 and lower chambers (among the figure not label) with cylinder block 210 inside, is respectively equipped with upper vent hole 212 and vent 213 down on the cylinder block 210 and on the sidewall of corresponding upper chamber 211 and lower chambers; The bottom of piston 220 is provided with a needle-valve 230, and needle-valve 230 is stretched out by the bottom of cylinder block 210.In the present embodiment, cylinder block 210 places TOP-TIP, and cylinder head 100 is sealingly fastened in its top.This cylinder head of independently making 100 is simple, flexible with cylinder block 200 assemblings, and efficient is high.During cylinder 200 work; In the following vent 213 of cylinder block 210 bottoms, inject pressurized gas through the Pneumatic actuator (not shown), at this moment, the lower chambers pressure of cylinder block 210 is greater than upper chamber 211; Piston 220 drives needle-valve 230 and moves upward owing to upper and lower pressure difference moves upward; When Pneumatic actuator by upper vent hole 212 ventilation, and when vent 213 was bled down, the lower chambers pressure of cylinder block 210 was less than upper chamber 211, piston 220 moves downward owing to upper and lower pressure difference, drive needle-valve 230 moves downward.In the process of needle-valve 230 upper and lower motions, it opens or seals the cast gate in the TOP-TIP, thereby casts.
Piston 220 is done upper and lower to-and-fro motion in cylinder block 210 under Pneumatic actuator (not shown) driving action; For guaranteeing needle-valve 230 required precision during upper and lower to-and-fro motion when piston 220 drives; Do not squint; In the present embodiment, the guide sleeve that is provided with a hollow 240 in cylinder block 210 bottom centre.Needle-valve 230 is by stretching out outside the cylinder block 210 in the guide sleeve 240.
Further; Present embodiment is to utilize pressurized gas to promote the motion of piston 220; For guaranteeing the sealability of cylinder 200, between said cylinder block 210, piston 220, needle-valve 230, guide sleeve 240 and the piston 220 surface of contact is arranged all, be equipped with seal ring 250 on each surface of contact.
In the present embodiment, cylinder 200 adopts stainless steel to process, and stainless steel is superior, wear-resisting, long service life.
Please refer again to Fig. 4; The present invention also provides a kind of needle valve TOP-TIP 300; Said needle valve TOP-TIP 300 includes upper die plate 310, lower plate 320; Have flow distribution plate 330 between upper die plate 310 and the dirty plate 320, above-mentioned cylinder 200 is located in the upper die plate 310, and the runner (not shown) that the needle-valve 230 of cylinder 200 passes flow distribution plate 330 arrives at casting gate 321 places of lower cross plate 320.When needle-valve 230 moved upward under piston 220 drives, opened by the casting gate 321 of needle 4 controls this moment; When needle-valve 230 moved downward under piston 220 drives, this moment, the casting gate 321 by needle-valve 230 controls was closed.
More than be merely preferred embodiment of the present invention,, all any modifications of within spirit of the present invention and principle, being done, be equal to and replace and improvement etc., all should be included within protection scope of the present invention not in order to restriction the present invention.
Claims (10)
1. cylinder head that is used for TOP-TIP; Be used to seal the cylinder block in the hot runner template; Comprise the cylinder cap body; Said cylinder cap body is provided with and is used to be fixed in the positioning hole on the hot runner template, it is characterized in that: the top sidewall of said cylinder cap body is provided with first annular groove that can supply the extracting tool location.
2. the cylinder head that is used for TOP-TIP as claimed in claim 1 is characterized in that: the side walls of said cylinder cap body is provided with second annular groove that is used to place Sealing.
3. according to claim 1 or claim 2 the cylinder head that is used for TOP-TIP, it is characterized in that: the middle part of said cylinder cap body is provided with the convex annular edge, and said positioning hole is located at said convex annular along last.
4. the cylinder head that is used for TOP-TIP as claimed in claim 3 is characterized in that: said positioning hole is a plurality of, is uniformly distributed in said convex annular along last.
5. a cylinder that is used for TOP-TIP comprises the cylinder block of the groove frame that places the hot runner template and the cylinder head that is sealingly fastened in said cylinder block top, it is characterized in that: said cylinder head is like each described structure in the claim 1 to 4.
6. the cylinder that is used for TOP-TIP as claimed in claim 5; It is characterized in that: be provided with piston in the said cylinder block; Said piston has the boss of conflicting with said cylinder block inwall, and said boss is separated into upper chamber and lower chambers with said cylinder block inside, is respectively equipped with upper vent hole on the said cylinder block and on the sidewall of corresponding said upper chamber and lower chambers and reaches vent down; The bottom of said piston is provided with a needle-valve, and said needle-valve is stretched out by the bottom of said cylinder block.
7. the cylinder that is used for TOP-TIP as claimed in claim 6 is characterized in that: the bottom centre of said cylinder block also is provided with a guide sleeve, and said needle-valve is by stretching out said cylinder block in the said guide sleeve.
8. the cylinder that is used for TOP-TIP as claimed in claim 7 is characterized in that: surface of contact is all arranged on said cylinder block, needle, piston and the guide sleeve, be equipped with seal ring between each surface of contact.
9. like the said cylinder that is used for TOP-TIP of claim 6, it is characterized in that: said cylinder adopts stainless steel material to process.
10. needle valve TOP-TIP; Comprise the hot runner template; Be located at the cylinder in the said hot runner template; It is characterized in that: said cylinder is provided with a casting gate for like each described cylinder in the claim 5 to 9 in the said hot runner manifold, and the bottom of said needle-valve is removable to place said casting port position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110181099.6A CN102322520B (en) | 2011-06-30 | 2011-06-30 | A kind of cylinder head for TOP-TIP, cylinder and needle valve type hot runner system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110181099.6A CN102322520B (en) | 2011-06-30 | 2011-06-30 | A kind of cylinder head for TOP-TIP, cylinder and needle valve type hot runner system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102322520A true CN102322520A (en) | 2012-01-18 |
| CN102322520B CN102322520B (en) | 2016-03-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110181099.6A Expired - Fee Related CN102322520B (en) | 2011-06-30 | 2011-06-30 | A kind of cylinder head for TOP-TIP, cylinder and needle valve type hot runner system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102322520B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104227983A (en) * | 2014-09-25 | 2014-12-24 | 深圳创维－Rgb电子有限公司 | Injection mold and injection molding system |
| CN107283755A (en) * | 2017-06-30 | 2017-10-24 | 广东方振新材料精密组件有限公司 | A kind of cold mouth of silica gel mould |
| CN110319071A (en) * | 2019-06-18 | 2019-10-11 | 苏州好特斯模具有限公司 | Hide the cylinder assembly of cylinder cap-type |
| CN113217215A (en) * | 2021-05-11 | 2021-08-06 | 广西玉柴机器股份有限公司 | Cylinder cover structure with in-cylinder double direct injection system |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2436407A (en) * | 1945-01-09 | 1948-02-24 | Hydraulic Control Engineering | Fluid-tight joint |
| US4691840A (en) * | 1986-11-12 | 1987-09-08 | Gott Corporation | Lid locking handle for waste container |
| CN2835357Y (en) * | 2005-11-07 | 2006-11-08 | 徐水县华光市政建材有限公司 | Steel-edged steel fiber concrete manhole cover |
| CN201190509Y (en) * | 2007-04-28 | 2009-02-04 | 海尔集团公司 | Cabinet door and section bar with omnidirection stealth handle |
| CN201511508U (en) * | 2009-09-25 | 2010-06-23 | 深圳创维－Rgb电子有限公司 | Double-cylinder needle valve type heat flow passage |
-
2011
- 2011-06-30 CN CN201110181099.6A patent/CN102322520B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2436407A (en) * | 1945-01-09 | 1948-02-24 | Hydraulic Control Engineering | Fluid-tight joint |
| US4691840A (en) * | 1986-11-12 | 1987-09-08 | Gott Corporation | Lid locking handle for waste container |
| CN2835357Y (en) * | 2005-11-07 | 2006-11-08 | 徐水县华光市政建材有限公司 | Steel-edged steel fiber concrete manhole cover |
| CN201190509Y (en) * | 2007-04-28 | 2009-02-04 | 海尔集团公司 | Cabinet door and section bar with omnidirection stealth handle |
| CN201511508U (en) * | 2009-09-25 | 2010-06-23 | 深圳创维－Rgb电子有限公司 | Double-cylinder needle valve type heat flow passage |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104227983A (en) * | 2014-09-25 | 2014-12-24 | 深圳创维－Rgb电子有限公司 | Injection mold and injection molding system |
| CN107283755A (en) * | 2017-06-30 | 2017-10-24 | 广东方振新材料精密组件有限公司 | A kind of cold mouth of silica gel mould |
| CN110319071A (en) * | 2019-06-18 | 2019-10-11 | 苏州好特斯模具有限公司 | Hide the cylinder assembly of cylinder cap-type |
| CN113217215A (en) * | 2021-05-11 | 2021-08-06 | 广西玉柴机器股份有限公司 | Cylinder cover structure with in-cylinder double direct injection system |
| CN113217215B (en) * | 2021-05-11 | 2024-03-29 | 广西玉柴机器股份有限公司 | Cylinder head structure with in-cylinder double direct injection system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102322520B (en) | 2016-03-02 |
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| C14 | Grant of patent or utility model | ||
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Granted publication date: 20160302 Termination date: 20180630 |