CN105397979A - Spray nozzle for injection molding machine - Google Patents
Spray nozzle for injection molding machine Download PDFInfo
- Publication number
- CN105397979A CN105397979A CN201510902321.5A CN201510902321A CN105397979A CN 105397979 A CN105397979 A CN 105397979A CN 201510902321 A CN201510902321 A CN 201510902321A CN 105397979 A CN105397979 A CN 105397979A
- Authority
- CN
- China
- Prior art keywords
- rear end
- face
- hole
- diameter section
- nozzle body
- 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.)
- Granted
Links
- 239000007921 spray Substances 0.000 title abstract description 17
- 238000001746 injection moulding Methods 0.000 title abstract description 3
- 238000005485 electric heating Methods 0.000 claims abstract description 21
- 230000007704 transition Effects 0.000 claims abstract description 7
- 238000007789 sealing Methods 0.000 claims description 18
- 238000002347 injection Methods 0.000 claims description 16
- 239000007924 injection Substances 0.000 claims description 16
- 238000010438 heat treatment Methods 0.000 claims description 8
- 230000001681 protective effect Effects 0.000 claims description 6
- 239000000463 material Substances 0.000 abstract description 13
- 230000000694 effects Effects 0.000 abstract description 5
- 238000005507 spraying Methods 0.000 abstract 1
- 238000012423 maintenance Methods 0.000 description 7
- 238000004140 cleaning Methods 0.000 description 4
- 230000000903 blocking effect Effects 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/20—Injection nozzles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/20—Injection nozzles
- B29C45/23—Feed stopping equipment
- B29C45/231—Needle valve systems therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/72—Heating or cooling
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Nozzles (AREA)
Abstract
The invention discloses a spray nozzle for an injection molding machine. The spray nozzle comprises a spray nozzle body, wherein the spray nozzle body comprises a front spray nozzle body and a rear connector; a screw joint hole is formed in the middle of the front end surface of the rear connector; the rear end of the front spray nozzle body is in screw joint in the screw joint hole; the rear end of the rear connector is provided with a central through hole; the central through hole is communicated with the screw joint hole; the middle part of the front end surface of the front spray nozzle body is provided with a connecting column extending forwards; the connecting column is in screw joint on a spray nozzle head; the middle part of the spray nozzle head is provided with a spray nozzle hole; the middle part of the front spray nozzle body is provided with a flow cavity; the flow cavity comprises a front small-diameter section, a middle arc-shaped transition section and a rear large-diameter section; the rear end of the rear large-diameter section is provided with inner threads; the rear large-diameter section is communicated with the central through hole; and a middle valve body is in screw joint in the inner threads. According to the spray nozzle, the middle valve body is arranged in the flow cavity, so that a buffer spring is arranged inside, and therefore, material spraying effect is improved by arranging an electric heating sleeve on the outer part of the front spray nozzle body, and cold materials are prevented from being jammed.
Description
Technical field:
The present invention relates to injection machine accessory technical field, relate to a kind of injection machine nozzle in particular.
Background technology:
The material melts of injection machine is realized by rubber melting cylinder assembly.Uniform injecting products to be produced under certain back pressure, particularly for the injection moulding of the good plastic material of mobility, want to control melt, and can clean and dam, generally all adopt spring nozzle to control melt.But existing external spring nozzle, because exposing spring section and can not adding heating circle of spring, is easy to produce larger or longer this situation of nozzle of the situation, particularly diameter of cold burden just more obvious.Meanwhile, its all parts of existing spring nozzle can not be dismantled, and makes its cleaning trouble, and after damaging, can only more renew, cannot carry out replacing and the maintenance of part, increase maintenance maintenance cost.
Summary of the invention:
The object of the invention is to overcome the deficiencies in the prior art, a kind of injection machine nozzle is provided, it arranges middle part valve body in flowing cavity, make buffer spring as inside, make the outer setting electric heating cover of anterior nozzle body thus improve material spray effect, preventing cold burden from blocking, simultaneously, its all parts all can quick-detachment, the conveniently replacing of cleaning and parts, greatly reduction maintenance maintenance cost.
The scheme that the present invention solve the technical problem is:
A kind of injection machine nozzle, comprise nozzle body, described nozzle body comprises anterior nozzle body and rear portion connector, in the middle part of the front end face of rear portion connector, there is bolt apertures, anterior nozzle body rear end is screwed onto in bolt apertures, the rear end of rear portion connector has central through hole, central through hole communicates with bolt apertures, in the middle part of the front end face of anterior nozzle body, there is the joint pin extended forward, joint pin is screwed onto on nozzle head, in the middle part of nozzle head, there is nozzle bore, in the middle part of anterior nozzle body, there is flowing cavity, flowing cavity comprises front reduced diameter section, middle part arc-shaped transition section and rear portion enlarged diameter section, the rear end of rear portion enlarged diameter section has internal thread, rear portion enlarged diameter section communicates with central through hole, middle part valve body is screwed onto in internal thread, the conical section that the contact pin of middle part valve body has through front reduced diameter section the rear end stretching into nozzle bore, the front end of contact pin is pressed against on the madial wall of conical section.
The lateral wall of described rear portion connector has the limiting section that outward radial extends; the front end face of limiting section has the ring part extended forward; formed between the lateral wall of ring part and anterior nozzle body and heat slot; electric heating cover sleeve holding are in heating slot; the madial wall of electric heating cover is close to the lateral wall of anterior nozzle body; outer protective cover sleeve is in electric heating cover and be screwed onto on the external thread part of ring part, and the front end-plate of outer protective cover is pressed against on the front end face of electric heating cover.
The inside of described electric heating cover be fixed with annular disk around electrical heating wire, the connecting line of electric heating cover is connected with external power source.
Be nested with rear sealing ring in the rear end face of described anterior nozzle body, rear sealing ring is pressed against on the rear end face of bolt apertures.
The rear portion of described nozzle bore is conical section, middle part is changeover portion, front portion is jet segment, the rear end diameter of conical section is greater than point diameter, changeover portion is cylindrical hole, the point diameter of jet segment is greater than rear end diameter, the rear end of jet segment communicates with one end of changeover portion, and the rear end of changeover portion communicates with the front end of conical section.
Described middle part valve body comprises cylindrical housings, the middle part lateral wall of cylindrical housings has connection bump ring, connection bump ring is screwed onto in internal thread, connection bump ring is evenly equipped with multiple axial opening, the middle part of cylindrical housings is notch cuttype through hole, the front portion of stairstepping through hole is reduced diameter section, the rear portion of stairstepping through hole is enlarged diameter section, contact pin sleeve is in reduced diameter section, the rear end outer wall of contact pin has the extension outwards carrying out extending, extension sleeve is in enlarged diameter section, the rear end of the enlarged diameter section of stairstepping through hole is bolted with end cap, buffer spring sleeve is in enlarged diameter section, extension is put forth effort in the front end of buffer spring, end cap is put forth effort in the rear end of buffer spring, the rear portion of end cap is half sphere shape, half sphere shape is pressed against the rear end face of cylindrical housings.
In the middle part of the rear end of described nozzle head, there is connecting screw hole, the front end face of connecting screw hole has location annular protrusion circle, the front end face of joint pin has annular groove, joint pin is screwed onto in connecting screw hole, the front end face of joint pin is pressed against the front end face of connecting screw hole, location annular protrusion circle is nested in annular groove, and the rear end face of nozzle head is nested with high-temperature resistant seal ring, and high-temperature resistant seal ring elasticity is pressed against on the front end face of anterior nozzle body.
The front outsides wall of described cylindrical housings is conical outer wall, and conical outer wall is corresponding with middle part arc-shaped transition section, and the rear outside wall of contact pin is nested with promotion sealing ring, promotes sealing ring elasticity and is pressed against on the madial wall of reduced diameter section.
The front end face of described half sphere shape is nested with sealing ring, and sealing ring is pressed against on the rear end face of cylindrical housings.
Outstanding effect of the present invention is:
Compared with prior art, it arranges middle part valve body in flowing cavity, make buffer spring as inside, make the outer setting electric heating cover of anterior nozzle body thus improve material spray effect, prevent cold burden from blocking, meanwhile, its all parts all can quick-detachment, the replacing of convenient cleaning and parts, reduces maintenance maintenance cost greatly.
Accompanying drawing illustrates:
Fig. 1 is structural representation of the present invention;
Fig. 2 is partial enlarged drawing of the present invention.
Detailed description of the invention:
Embodiment, see as shown in Figure 1 to Figure 2, a kind of injection machine nozzle, comprise nozzle body 100, described nozzle body 100 comprises anterior nozzle body 10 and rear portion connector 20, there is in the middle part of the front end face of rear portion connector 20 bolt apertures 21, anterior nozzle body 10 rear end is screwed onto in bolt apertures 21, the rear end of rear portion connector 20 has central through hole 22, central through hole 22 communicates with bolt apertures 21, in the middle part of the front end face of anterior nozzle body 10, there is the joint pin 11 extended forward, joint pin 11 is screwed onto on nozzle head 30, there is in the middle part of nozzle head 30 nozzle bore 31, there is in the middle part of anterior nozzle body 10 flowing cavity 12, flowing cavity 12 comprises front reduced diameter section 121, middle part arc-shaped transition section 122 and rear portion enlarged diameter section 123, the rear end of rear portion enlarged diameter section 123 has internal thread 124, rear portion enlarged diameter section 123 communicates with central through hole 22, middle part valve body 40 is screwed onto in internal thread 124, the contact pin 41 of middle part valve body 40 is through front reduced diameter section 121 and the conical section 311 that has of the rear end stretching into nozzle bore 31, the front end of contact pin 41 is pressed against on the madial wall of conical section 311.
Further; the lateral wall of described rear portion connector 20 has the limiting section 23 that outward radial extends; the front end face of limiting section 23 has the ring part 24 extended forward; formed between the lateral wall of ring part 24 and anterior nozzle body 10 and heat slot 1; electric heating cover 2 sleeve holding are in heating slot 1; the madial wall of electric heating cover 2 is close to the lateral wall of anterior nozzle body 10; outer protective cover 3 sleeve is in electric heating cover 2 and be screwed onto on the external thread part of ring part 24, and the front end-plate of outer protective cover 3 is pressed against on the front end face of electric heating cover 2.
Further, the inside of described electric heating cover 2 be fixed with annular disk around electrical heating wire 4, the connecting line of electric heating cover 2 is connected with external power source.
Further, be nested with rear sealing ring 5 in the rear end face of described anterior nozzle body 10, rear sealing ring 5 is pressed against on the rear end face of bolt apertures 21.
Further, the rear portion of described nozzle bore 31 is conical section 311, middle part is changeover portion 312, front portion is jet segment 313, the rear end diameter of conical section 311 is greater than point diameter, changeover portion 312 is cylindrical hole, the point diameter of jet segment 313 is greater than rear end diameter, the rear end of jet segment 313 communicates with one end of changeover portion 312, and the rear end of changeover portion 312 communicates with the front end of conical section 311.
Further, described middle part valve body 40 comprises cylindrical housings 42, the middle part lateral wall of cylindrical housings 42 has connection bump ring 43, connection bump ring 43 is screwed onto in internal thread 124, connection bump ring 43 is evenly equipped with multiple axial opening 44, the middle part of cylindrical housings 42 is notch cuttype through hole 45, the front portion of stairstepping through hole 45 is reduced diameter section, the rear portion of stairstepping through hole 45 is enlarged diameter section, contact pin 41 sleeve is in reduced diameter section, the rear end outer wall of contact pin 41 has the extension 411 outwards carrying out extending, extension 411 sleeve is in enlarged diameter section, the rear end of the enlarged diameter section of stairstepping through hole 45 is bolted with end cap 46, buffer spring 47 sleeve is in enlarged diameter section, extension 411 is put forth effort in the front end of buffer spring 47, end cap 46 is put forth effort in the rear end of buffer spring 47, the rear portion of end cap 46 is half sphere shape 461, half sphere shape 461 is pressed against the rear end face of cylindrical housings 42.
Further, in the middle part of the rear end of described nozzle head 30, there is connecting screw hole 32, the front end face of connecting screw hole 32 has location annular protrusion circle 33, the front end face of joint pin 11 has annular groove 111, joint pin 11 is screwed onto in connecting screw hole 32, the front end face of joint pin 11 is pressed against the front end face of connecting screw hole 32, location annular protrusion circle 33 is nested in annular groove 111, the rear end face of nozzle head 30 is nested with high-temperature resistant seal ring 8, high-temperature resistant seal ring 8 elasticity is pressed against on the front end face of anterior nozzle body 10.
Further, the front outsides wall of described cylindrical housings 42 is conical outer wall, conical outer wall is corresponding with middle part arc-shaped transition section 122, and the rear outside wall of contact pin 41 is nested with and promotes sealing ring 412, promotes sealing ring 412 elasticity and is pressed against on the madial wall of reduced diameter section.
Further, the front end face of described half sphere shape 461 is nested with sealing ring 6, and sealing ring 6 is pressed against on the rear end face of cylindrical housings 42.
All seal members in the present embodiment are exotic material and make.
Operation principle: by electrical heating wire 4 is heated, thus anterior nozzle body 10 and nozzle head 30 are all heated, make the plastic material temperature of flowing in nozzle body 100 certain, plastic material can not be made to produce and to solidify the problem with cold burden, and plastic material enters from central through hole 22 rear end, then enter in rear portion enlarged diameter section 123, then enter the rear end of the nozzle bore 31 of nozzle head 30 along middle part valve body 40 always, along with constantly adding plastic material, the pressure of material to contact pin 41 is made to be greater than the pressure of buffer spring 47 pairs of contact pins 41, contact pin 41 is made no longer to be pressed against on the madial wall of conical section 311, thus realize material spray.
Wherein, the rear portion of nozzle bore 31 is conical section 311, middle part is changeover portion 312, front portion is jet segment 313, the rear end diameter of conical section 311 is greater than point diameter, changeover portion 312 is cylindrical hole, the point diameter of jet segment 313 is greater than rear end diameter, the rear end of jet segment 313 communicates with one end of changeover portion 312, and the rear end of changeover portion 312 communicates with the front end of conical section 311, makes jeting effect better.
And all parts in the present embodiment all can disassembly, cleaning and replacing, very convenient.
Finally; above embodiment is only for illustration of the present invention; and be not limitation of the present invention; the those of ordinary skill of relevant technical field; without departing from the spirit and scope of the present invention; can also make a variety of changes and modification, therefore all equivalent technical schemes also belong to category of the present invention, and scope of patent protection of the present invention should be defined by the claims.
Claims (9)
1. an injection machine nozzle, comprise nozzle body (100), it is characterized in that: described nozzle body (100) comprises anterior nozzle body (10) and rear portion connector (20), there is in the middle part of the front end face of rear portion connector (20) bolt apertures (21), anterior nozzle body (10) rear end is screwed onto in bolt apertures (21), the rear end of rear portion connector (20) has central through hole (22), central through hole (22) communicates with bolt apertures (21), in the middle part of the front end face of anterior nozzle body (10), there is the joint pin (11) extended forward, joint pin (11) is screwed onto on nozzle head (30), nozzle head (30) middle part has nozzle bore (31), anterior nozzle body (10) middle part has flowing cavity (12), flowing cavity (12) comprises front reduced diameter section (121), middle part arc-shaped transition section (122) and rear portion enlarged diameter section (123), the rear end of rear portion enlarged diameter section (123) has internal thread (124), rear portion enlarged diameter section (123) communicates with central through hole (22), middle part valve body (40) is screwed onto in internal thread (124), the contact pin (41) at middle part valve body (40) is through front reduced diameter section (121) and the conical section (311) that has of the rear end stretching into nozzle bore (31), the front end of contact pin (41) is pressed against on the madial wall of conical section (311).
2. a kind of injection machine nozzle according to claim 1, it is characterized in that: the lateral wall at described rear portion connector (20) has the limiting section (23) that outward radial extends, the front end face of limiting section (23) has the ring part (24) extended forward, formed between the lateral wall of ring part (24) and anterior nozzle body (10) and heat slot (1), electric heating cover (2) sleeve holding are in heating slot (1), the madial wall of electric heating cover (2) is close to the lateral wall of anterior nozzle body (10), outer protective cover (3) sleeve is in electric heating cover (2) and be screwed onto on the external thread part of ring part (24), the front end-plate of outer protective cover (3) is pressed against on the front end face of electric heating cover (2).
3. a kind of injection machine nozzle according to claim 2, it is characterized in that: the inside of described electric heating cover (2) be fixed with annular disk around electrical heating wire (4), the connecting line of electric heating cover (2) is connected with external power source.
4. a kind of injection machine nozzle according to claim 3, it is characterized in that: be nested with rear sealing ring (5) in the rear end face of described anterior nozzle body (10), rear sealing ring (5) is pressed against on the rear end face of bolt apertures (21).
5. a kind of injection machine nozzle according to claim 4, it is characterized in that: the rear portion of described nozzle bore (31) is conical section (311), middle part is changeover portion (312), front portion is jet segment (313), the rear end diameter of conical section (311) is greater than point diameter, changeover portion (312) is cylindrical hole, the point diameter of jet segment (313) is greater than rear end diameter, the rear end of jet segment (313) communicates with one end of changeover portion (312), and the rear end of changeover portion (312) communicates with the front end of conical section (311).
6. a kind of injection machine nozzle according to claim 5, it is characterized in that: described middle part valve body (40) comprises cylindrical housings (42), the middle part lateral wall of cylindrical housings (42) has connection bump ring (43), connection bump ring (43) is screwed onto in internal thread (124), connection bump ring (43) is evenly equipped with multiple axial opening (44), the middle part of cylindrical housings (42) is notch cuttype through hole (45), the front portion of stairstepping through hole (45) is reduced diameter section, the rear portion of stairstepping through hole (45) is enlarged diameter section, contact pin (41) sleeve is in reduced diameter section, the rear end outer wall of contact pin (41) has the extension (411) outwards carrying out extending, extension (411) sleeve is in enlarged diameter section, the rear end of the enlarged diameter section of stairstepping through hole (45) is bolted with end cap (46), buffer spring (47) sleeve is in enlarged diameter section, extension (411) is put forth effort in the front end of buffer spring (47), end cap (46) is put forth effort in the rear end of buffer spring (47), the rear portion of end cap (46) is half sphere shape (461), half sphere shape (461) is pressed against the rear end face of cylindrical housings (42).
7. a kind of injection machine nozzle according to claim 6, it is characterized in that: there is in the middle part of the rear end of described nozzle head (30) connecting screw hole (32), the front end face of connecting screw hole (32) has location annular protrusion circle (33), the front end face of joint pin (11) has annular groove (111), joint pin (11) is screwed onto in connecting screw hole (32), the front end face of joint pin (11) is pressed against the front end face of connecting screw hole (32), location annular protrusion circle (33) is nested in annular groove (111), the rear end face of nozzle head (30) is nested with high-temperature resistant seal ring (8), high-temperature resistant seal ring (8) elasticity is pressed against on the front end face of anterior nozzle body (10).
8. a kind of injection machine nozzle according to claim 7, it is characterized in that: the front outsides wall of described cylindrical housings (42) is conical outer wall, conical outer wall is corresponding with middle part arc-shaped transition section (122), the rear outside wall of contact pin (41) is nested with and promotes sealing ring (412), promotes sealing ring (412) elasticity and is pressed against on the madial wall of reduced diameter section.
9. a kind of injection machine nozzle according to claim 8, it is characterized in that: the front end face of described half sphere shape (461) is nested with sealing ring (6), and sealing ring (6) is pressed against on the rear end face of cylindrical housings (42).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510902321.5A CN105397979B (en) | 2015-12-09 | 2015-12-09 | A kind of injection molding machine nozzle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510902321.5A CN105397979B (en) | 2015-12-09 | 2015-12-09 | A kind of injection molding machine nozzle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105397979A true CN105397979A (en) | 2016-03-16 |
| CN105397979B CN105397979B (en) | 2018-07-31 |
Family
ID=55463896
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510902321.5A Expired - Fee Related CN105397979B (en) | 2015-12-09 | 2015-12-09 | A kind of injection molding machine nozzle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105397979B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107364071A (en) * | 2017-08-01 | 2017-11-21 | 宁波斯达弗液压传动有限公司 | A kind of shut-off nozzles of injection machine |
| CN110861263A (en) * | 2019-10-15 | 2020-03-06 | 张跃 | Anti-blocking heat-insulation nozzle for plastic pouring |
| TWI702132B (en) * | 2019-07-15 | 2020-08-21 | 咸瑞科技股份有限公司 | Hot melt fixing machine and buffer hot melt mechanism |
| CN112060480A (en) * | 2020-07-14 | 2020-12-11 | 马鞍山久特新材料科技有限公司 | Polyurethane casting machine with functions of liquid guiding and self-sealing |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07223238A (en) * | 1994-02-10 | 1995-08-22 | Sumitomo Jukikai Plast Mach Kk | Shut-off nozzle |
| CN1134652A (en) * | 1995-01-31 | 1996-10-30 | 京特热渠道有限公司 | Hot runner nozzle |
| CN1651213A (en) * | 2004-02-05 | 2005-08-10 | 日本韮沙株式会社 | Valve nozzle |
| CN202540612U (en) * | 2012-04-16 | 2012-11-21 | 东莞泰星五金制品厂有限公司 | Leakproof injection nozzle structure |
| CN104260275A (en) * | 2014-01-17 | 2015-01-07 | 上海积康实业有限公司 | An inner-spring nozzle |
| CN205167396U (en) * | 2015-12-09 | 2016-04-20 | 荣昌精密机械(苏州)有限公司 | Nozzle for injection molding machine |
-
2015
- 2015-12-09 CN CN201510902321.5A patent/CN105397979B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07223238A (en) * | 1994-02-10 | 1995-08-22 | Sumitomo Jukikai Plast Mach Kk | Shut-off nozzle |
| CN1134652A (en) * | 1995-01-31 | 1996-10-30 | 京特热渠道有限公司 | Hot runner nozzle |
| CN1651213A (en) * | 2004-02-05 | 2005-08-10 | 日本韮沙株式会社 | Valve nozzle |
| CN202540612U (en) * | 2012-04-16 | 2012-11-21 | 东莞泰星五金制品厂有限公司 | Leakproof injection nozzle structure |
| CN104260275A (en) * | 2014-01-17 | 2015-01-07 | 上海积康实业有限公司 | An inner-spring nozzle |
| CN205167396U (en) * | 2015-12-09 | 2016-04-20 | 荣昌精密机械(苏州)有限公司 | Nozzle for injection molding machine |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107364071A (en) * | 2017-08-01 | 2017-11-21 | 宁波斯达弗液压传动有限公司 | A kind of shut-off nozzles of injection machine |
| TWI702132B (en) * | 2019-07-15 | 2020-08-21 | 咸瑞科技股份有限公司 | Hot melt fixing machine and buffer hot melt mechanism |
| CN110861263A (en) * | 2019-10-15 | 2020-03-06 | 张跃 | Anti-blocking heat-insulation nozzle for plastic pouring |
| CN112060480A (en) * | 2020-07-14 | 2020-12-11 | 马鞍山久特新材料科技有限公司 | Polyurethane casting machine with functions of liquid guiding and self-sealing |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105397979B (en) | 2018-07-31 |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180731 |