CN201848962U - Compression type integrated hot runner device - Google Patents
Compression type integrated hot runner device Download PDFInfo
- Publication number
- CN201848962U CN201848962U CN201020577072XU CN201020577072U CN201848962U CN 201848962 U CN201848962 U CN 201848962U CN 201020577072X U CN201020577072X U CN 201020577072XU CN 201020577072 U CN201020577072 U CN 201020577072U CN 201848962 U CN201848962 U CN 201848962U
- Authority
- CN
- China
- Prior art keywords
- hot
- hot runner
- cylinder
- compression type
- needle
- 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
Links
Images
Landscapes
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The utility model discloses a compression type integrated hot runner device, comprising a hot runner plate, a hot nozzle flange fixed with the hot runner plate, a cylinder device fixed with the hot nozzle flange and a main jet nozzle and a hot nozzle body, wherein the main jet nozzle and the hot nozzle body are fixed in a cylinder; the cylinder of the cylinder device is internally provided with a piston which is provided with a valve needle fixed by a press plate; the hot nozzle body is fixed with the cylinder by a lower supporting plate; the main jet nozzle and an upper supporting plate are arranged between the hot runner plate and the hot nozzle body in sequence; the upper supporting plate is fixed with the cylinder; the hot runner plate is fixed with the hot nozzle flange by a screw; a first gap position is arranged between the hot runner plate and the hot nozzle flange. When being heated, the hot runner plate expands, and under the action of the first gap position, a lower flange, the cylinder device, the valve needle, the hot nozzle body and the main jet nozzle do not move along the hot runner plate. Therefore, the problems of needle clamping, needle breaking and glue leakage caused by dislocation due to expansion are avoided, and the compression type integrated hot runner device is particularly applicable to large molds such as automobile molds and the like.
Description
Technical field
The utility model relates to the hot flow path technical field, particularly a kind of compression type overall thermal flow passage device.
Background technology
Tradition separate type TOP-TIP mainly is made up of cylinder, hot runner manifold, hot mouth and needle, wherein the piston in needle and the cylinder is fixed, cylinder is directly fixed by screw or bolt and hot runner manifold, hot mouth has with mould on the plane of vertical die sinking direction and cooperates, and is compressed by hot runner manifold on parallel die sinking direction.During this separate type TOP-TIP work, hot runner manifold can make cylinder and needle together move along expansion direction because of adding thermal expansion.Because hot mouth cooperates fixing with mould, at cylinder and needle because of hot runner manifold expanded by heating when mobile, described hot mouth is not mobile or displacement is very little, thereby can cause hot mouth and needle to misplace, and then phenomenons such as card pin, broken needle, leakage glue can appear, this kind phenomenon is used for large molds such as automobile die at the separate type TOP-TIP more obvious.
Because cylinder directly contacts with hot runner manifold, cause the hot runner manifold heat to run off on the one hand easily simultaneously, make work under the cylinder hot soak condition on the other hand, thereby make the potted component in the cylinder easier to be aging, shorten the service life of seal.
Described hot mouth flange, cylinder unit, main nozzle, needle and hot mouth body are assembled into an integral body by all kinds of connectors, are connected with hot runner manifold by screw.
The utility model content
The technical problem that the utility model mainly solves provides a kind of compression type overall thermal flow passage device, this compression type overall thermal flow passage device can avoid cylinder and needle because of hot runner manifold expanded by heating when mobile, phenomenons such as the card pin that hot mouth does not move or the very for a short time hot mouth that causes of displacement and needle take place to misplace to be caused, broken needle, leakage glue.
In order to address the above problem, the utility model provides a kind of compression type overall thermal flow passage device, this compression type overall thermal flow passage device comprises: hot runner manifold, with the fixing hot mouth flange of this hot runner manifold, with fixing cylinder unit of this hot mouth flange and main nozzle and the hot mouth body that is fixed on cylinder chamber, be provided with piston in the cylinder body of this cylinder unit, this piston is provided with by the fixing needle of pressing plate, described hot mouth body is fixed by lower supporting plate and cylinder body, between described hot runner manifold and hot mouth body, be sequentially with main nozzle and upper backup pad, this upper backup pad and cylinder body are fixed, described hot runner manifold is fixed by screw and hot mouth flange, is provided with first clearance position between hot runner manifold and hot mouth flange.
Preferably, described needle is set in and the fixing needle cover of hot mouth body, and this needle is vertical mutually with the pressing plate of fixing this needle.
Preferably, between described main nozzle and hot mouth body, also be provided with gum cover.
Preferably, on described cylinder body, be provided with the cooling water channel that is used to guide cooling fluid.
Preferably, at described cylinder body and piston, be provided with sealing ring between upper backup pad and the piston.
Preferably, be provided with the heating circle, on this heating circle, be provided with protective sleeve in described hot mouth body exterior.
Preferably, on described cylinder body, also be provided with second clearance position.
Preferably, screw hole and the screw matched in clearance on described hot runner manifold and the hot mouth flange.
The utility model compression type overall thermal flow passage device is made up of hot mouth of needle valve and hot runner manifold.The hot mouth of this needle valve mainly is made of hot mouth flange, cylinder unit, main nozzle, hot mouth and needle, described hot mouth body is being provided with on the cylinder body of piston by the lower supporting plate location and installation, described needle is fixed on the piston by pressing plate, this needle passes and the fixing needle cover of hot mouth body, be provided with main nozzle between hot runner manifold and hot mouth body, this main nozzle cooperates with cylinder body by hot mouth flange fixes itself and hot mouth body.Compared with prior art, owing to be provided with first clearance position between described hot runner manifold and the hot mouth flange, hot runner manifold expands when heating, cylinder unit, hot mouth body, main nozzle and needle do not move with hot runner manifold under the first clearance position effect, thereby avoid producing card pin, broken needle and the leakage glue problem that dislocation causes, be specially adapted to large molds such as automobile mould because of expanding.
Leave clearance position in described cylinder base and mould contact surface, and be provided with the cooling water channel of circulation, reduce heat on the one hand and decrease, lose simultaneously and avoid the cylinder hot soak condition, prolong the life-span of potted component in the cylinder.
Described compression type overall thermal flow passage system is installed on the mould by screw, and the TOP-TIP of mould is installed the complete empty avoiding of die cavity, has reduced the difficulty of processing that die cavity is installed, and convenient the installation.
Described needle cover is installed on the hot mouth, has guaranteed the concentricity of needle and hot mouth body, can prevent the card pin effectively.Be provided with gum cover between described main nozzle and the hot mouth body and be connected, it is more smooth and easy that it can make plastic melt flow, and also can effectively prevent leak-stopping glue.
Description of drawings
Fig. 1 is the utility model compression type overall thermal flow passage device embodiment cross-sectional schematic.
Fig. 2 is the utility model A part-structure enlarged diagram.
Accompanying drawing is mainly marked explanation
Hot mouth flange 1; Main nozzle 2; Upper backup pad 3; Piston 4; Cylinder body 5; Pod apertures 6; Lower supporting plate 7: hot mouth body 8; Heating circle 9; Protective sleeve 10; Spanner 11; Cast gate department core 12; Pressing plate 13; Cross gum cover 14; Needle cover 15; Needle 16; Sealing ring 17; Hot runner manifold 18; First clearance position 19; Screw 20; Screw hole 21; Second clearance position 22;
Below in conjunction with embodiment, and with reference to accompanying drawing, realization, functional characteristics and the advantage of the utility model purpose is described further.
The specific embodiment
As depicted in figs. 1 and 2, the compression type overall thermal flow passage device embodiment of the utility model embodiment.
This compression type overall thermal flow passage device comprises: hot runner manifold 18, with the fixing hot mouth flange 1 of this hot runner manifold 18, with fixing cylinder unit of this hot mouth flange 1 and main nozzle 2 and the hot mouth body 8 that is fixed on cylinder chamber, be provided with piston 4 in the cylinder body 5 of this cylinder unit, this piston 4 is provided with the needle of fixing by pressing plate 13 16, described hot mouth body 8 is fixing with cylinder body 5 by lower supporting plate 7, between described hot runner manifold 18 and hot mouth body 8, be sequentially with main nozzle 2 and upper backup pad 3, this upper support basis 3 is fixing with cylinder body 5, described hot runner manifold 18 is fixed by screw 20 and hot mouth flange 1, is provided with first clearance position 19 between described hot runner manifold 18 and the hot mouth flange 1.
Described compression type overall thermal flow passage device constitutes an integral body by hot mouth flange 1, cylinder unit, main nozzle 2, hot mouth body 8 shapes and needle 16 etc., and is provided with first clearance position 22 between described hot runner manifold 18 and the hot mouth flange 1.Compared with prior art, hot runner manifold 18 expands when heating, cylinder unit, hot mouth body 8, main nozzle 2 and needle 16 etc. do not move with hot runner manifold 18 under 19 effects of first clearance position, thereby avoid producing card pin, broken needle and the leakage glue problem that dislocation causes, be specially adapted to large molds such as automobile mould because of expanding.
In the present embodiment, the cooling water channel 6 that is provided with clearance position and circulating cooling liquid in the bottom and the mould contact surface of cylinder body 5, the clearance position of these cylinder body 5 bottoms can reduce heat and decrease, described cooling water channel 6 can reduce the temperature of cylinder body 5, cylinder body 5 hot soak conditions are avoided in mistake, prolong the life-span of potted component in the cylinder.
Described compression type overall thermal flow passage system is fixed by screw and mould, because the TOP-TIP on the mould is installed the complete empty avoiding of die cavity, has reduced the difficulty of processing that die cavity is installed, and convenient the installation.
Described pressing plate 13 and needle 16 is vertical mutually, and overlaps 15 by needle needle 16 is fixed on the hot mouth body 8, has guaranteed the concentricity of needle 16 and hot mouth body 8, can prevent the card pin effectively.
Be provided with gum cover 14 between described main nozzle 2 and the hot mouth body 8 and be connected, it is more smooth and easy that it can make plastic melt flow, and also can effectively prevent leak-stopping glue.Be provided with cast gate department core 12 on described hot mouth body 8, promptly this cast gate department core 12 is fixed by spanner 11 and hot mouth body 8.
Can also be provided with second clearance position 22 on described cylinder body 5, this second clearance position 22 can be after hot runner manifold 18 be heated, can needle 16 axially on expansion space is arranged, and then further prevent card pin phenomenon.Screw hole 21 and screw 20 matched in clearance on described hot runner manifold 18 and the hot mouth flange 1, be that screw hole 21 walls cooperate with screw 20 between the outer surface of back outer wall of screw hole 21 and screw 20 space is arranged, form another clearance position, after hot runner manifold 18 is heated, this clearance position can make it that certain expansion space is arranged, and further prevents the card pin.
At described cylinder body 5 and piston 4, be respectively equipped with sealing ring 17 between upper backup pad 3 and the piston 4 as required, improve the air-tightness between them.Be provided with heating circle 9 in described hot mouth body 8 outsides, on this heating circle 9, be provided with protective sleeve 10, can protect, prevent to scald operating personnel simultaneously the heating circle.
The above only is a preferred embodiment of the present utility model; be not so limit claim of the present utility model; every equivalent structure or equivalent flow process conversion that utilizes the utility model specification and accompanying drawing content to be done; or directly or indirectly be used in other relevant technical fields, all in like manner be included in the scope of patent protection of the present utility model.
Claims (8)
1. compression type overall thermal flow passage device is characterized in that:
It comprises hot runner manifold, with this hot runner manifold fixing, with cylinder unit that should be fixing and main nozzle and the hot mouth body that is fixed on cylinder chamber, be provided with piston in the cylinder body of this cylinder unit, this piston is provided with by the fixing needle of pressing plate, described hot mouth body is fixed by lower supporting plate and cylinder body, between described hot runner manifold and hot mouth body, be sequentially with main nozzle and upper backup pad, this upper backup pad and cylinder body are fixed, described hot runner manifold is fixed by screw and hot mouth flange, is provided with first clearance position between hot runner manifold and hot mouth flange.
2. compression type overall thermal flow passage device according to claim 1 is characterized in that:
Described needle is set in and the fixing needle cover of hot mouth body, and this needle is vertical mutually with the pressing plate of fixing this needle.
3. compression type overall thermal flow passage device according to claim 1 is characterized in that:
Between described main nozzle and hot mouth body, also be provided with gum cover.
4. compression type overall thermal flow passage device according to claim 1 is characterized in that:
On described cylinder body, be provided with the cooling water channel that is used to guide cooling fluid.
5. according to claim 1 or 4 described compression type overall thermal flow passage devices, it is characterized in that:
At described cylinder body and piston, be provided with sealing ring between upper backup pad and the piston.
6. compression type overall thermal flow passage device according to claim 1 is characterized in that:
Be provided with the heating circle in described hot mouth body exterior, on this heating circle, be provided with protective sleeve.
7. compression type overall thermal flow passage device according to claim 1 is characterized in that:
On described cylinder body, also be provided with second clearance position.
8. compression type overall thermal flow passage device according to claim 1 is characterized in that:
Screw hole and screw matched in clearance on described hot runner manifold and the hot mouth flange.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020577072XU CN201848962U (en) | 2010-10-22 | 2010-10-22 | Compression type integrated hot runner device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020577072XU CN201848962U (en) | 2010-10-22 | 2010-10-22 | Compression type integrated hot runner device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201848962U true CN201848962U (en) | 2011-06-01 |
Family
ID=44091373
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201020577072XU Expired - Fee Related CN201848962U (en) | 2010-10-22 | 2010-10-22 | Compression type integrated hot runner device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201848962U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103252879A (en) * | 2012-02-15 | 2013-08-21 | 上海占瑞模具设备有限公司 | Hot runner oil pressure open-close pin type injection system |
| CN107471554A (en) * | 2017-08-21 | 2017-12-15 | 浙江伟星新型建材股份有限公司 | Needle-valve hot runner mould |
-
2010
- 2010-10-22 CN CN201020577072XU patent/CN201848962U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103252879A (en) * | 2012-02-15 | 2013-08-21 | 上海占瑞模具设备有限公司 | Hot runner oil pressure open-close pin type injection system |
| CN103252879B (en) * | 2012-02-15 | 2016-01-20 | 上海占瑞模具设备有限公司 | Hot runner oil pressure open-close pin type injection system |
| CN107471554A (en) * | 2017-08-21 | 2017-12-15 | 浙江伟星新型建材股份有限公司 | Needle-valve hot runner mould |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201824524U (en) | Hot runner device with integral threads | |
| CN202224628U (en) | Point cooling unit for die casting mould | |
| CN201848962U (en) | Compression type integrated hot runner device | |
| CN204524535U (en) | A kind of active metal diffusion connecting mechanism | |
| CN201205756Y (en) | End total sealing device for steel skeleton plastic composite pipe | |
| KR20130000283A (en) | Hot runner system | |
| CN202271500U (en) | Cold runner structure of rubber injection molding machine | |
| CN202065282U (en) | Air cylinder and oil cylinder cooling equipment | |
| CN211709856U (en) | A high pressure power transmission sealing washer former for new energy automobile | |
| CN210098938U (en) | EGR valve processing equipment | |
| CN202640685U (en) | Pressure-bearing cushion block structure for needle valve type hot runner system | |
| CN203510608U (en) | Improved hot nozzle | |
| CN202225391U (en) | Hydraulic cylinder device with hot runner | |
| CN214742454U (en) | Cooling device for prolonging service life of oil cylinder sealing ring of high-temperature casting mold | |
| CN211161838U (en) | A some cooling rubber tube scald preventing structure for die mould | |
| CN204413531U (en) | A kind of thermostat base assembly pressing machine | |
| CN204123603U (en) | The open TOP-TIP of a kind of semi-integrated type | |
| CN203600551U (en) | Hanging table clearance injection nozzle component | |
| CN210851158U (en) | Six-point needle valve type hot runner system | |
| CN217434911U (en) | Constant-temperature hot runner nozzle | |
| CN220095387U (en) | Special hot nozzle for power plug | |
| CN201342779Y (en) | Inner bore water inflow and outflow type water assisted injection molding water pin | |
| CN211993918U (en) | Waste heat recycling device of vertical injection molding machine | |
| CN211288242U (en) | Pump cover with thermal compensator | |
| CN215702555U (en) | Hydraulic and pneumatic mixing system for split toilet high-pressure forming machine |
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: 20110601 Termination date: 20171022 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |