CN110509493A - A kind of injection molding machine anti-oil leakage device - Google Patents
A kind of injection molding machine anti-oil leakage device Download PDFInfo
- Publication number
- CN110509493A CN110509493A CN201910852627.2A CN201910852627A CN110509493A CN 110509493 A CN110509493 A CN 110509493A CN 201910852627 A CN201910852627 A CN 201910852627A CN 110509493 A CN110509493 A CN 110509493A
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- Prior art keywords
- washer
- dust
- drainage
- supporing shell
- molding machine
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Classifications
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- 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
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- 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
- B29C2045/1784—Component parts, details or accessories not otherwise provided for; Auxiliary operations not otherwise provided for
- B29C2045/1785—Movement of a part, e.g. opening or closing movement of the mould, generating fluid pressure in a built-in fluid pressure generator
-
- 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
- B29C2045/1784—Component parts, details or accessories not otherwise provided for; Auxiliary operations not otherwise provided for
- B29C2045/1797—Machine parts provided with a shroud or cover or shield, e.g. for preventing oil or dust scattering
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
The invention discloses a kind of injection molding machine anti-oil leakage devices, including fuselage, supporing shell on fuselage is set, it is fixed on the hydraulic injection cylinder of the side of supporing shell, mobile piston and piston rod inside hydraulic injection cylinder are set, the screw rod spline of hydraulic injection cylinder output end is set, it the rotation screw rod that is connect with screw rod spline one end and covers in rotation screw rod and the barrel fixed with supporing shell, the hydraulic injection cylinder is equipped with the drainage device for preventing hydraulic cylinder oil leak close to the side of supporing shell, this injection molding machine anti-oil leakage device, play the role of playing effective oil-leakage-prevention between the position for connecting piston rod and supporing shell, dust-proof effect to supporing shell and plunger rod contacts position simultaneously, further prevent graininess or powdered plastic from entering to inside supporing shell, avoiding graininess or powdered plastic and plunger rod contacts makes Abrasion causes injection cylinder the phenomenon that oil leak occur between piston rod and sealing element.
Description
Technical field
The present invention relates to injection molding machine technical field, specially a kind of injection molding machine anti-oil leakage device.
Background technique
Injection molding machine is the maximum processing equipment of usage amount in Plastics Processing Industry, not only has a large amount of product straight with injection molding machine
It delivers a child production, but also is the key equipment for forming injection stretch blow moulding.Injection molding machine is usually by injection system, Clamping System, hydraulic biography
Dynamic system and the composition such as heating and cooling system.Current most popular injection molding machine is screw injection molding machine, technique mistake
Journey is granular or powdered plastic to be added in machine barrel first, and so that plastics is become molten by the rotation of screw rod and the heating of machine barrel outer wall
Melt state；Then machine carries out molding and the Forward of injection seat, and nozzle is made to be adjacent to the pouring head of mold；Then lead into glue injection oil cylinder
Enter pressure oil driving screw rod to push ahead, so that melt is injected the lower closure of temperature with very high pressure and faster speed
In mold, curing molding is plastic products, generally existing one of the phenomenon of the failure in injection molding machine operation process after pressure maintaining is cooling
It is leakage, pressure difference and each element are generated when liquid flows in Hydraulic Elements and pipeline, and there are gaps etc. all to cause leakage
Reason, and hydraulic system influences production or even generates to be unable to estimate once leakage, which occurs, will be unable to form stable system pressure
Consequence.
Currently, existing Hydraulic System for Injection Moulding Machine is during being processed, hydraulic cylinder is as hydraulic injection molding machine
The main executive component of system, since hydraulic cylinder is during being worked, piston rod is exposed outside, while straight
It connects and is directly contacted with little particles such as the dusts that is generated in external environment and granular or powdered plastic, although on guide sleeve
The impurity in particulate pollutant and granular or powdered plastic equipped with dustband and sealing element etc., but in environment is then easy
Adherency on the piston rod, to accelerate to occur scratching between piston rod and sealing element and wear, and then leads to hydraulic injection molding machine
The phenomenon that system leaks.For this purpose, it is proposed that a kind of injection molding machine anti-oil leakage device.
Summary of the invention
The purpose of the present invention is to provide a kind of injection molding machine anti-oil leakage devices, to solve mentioned above in the background art ask
Topic.
To achieve the above object, the invention provides the following technical scheme: a kind of injection molding machine anti-oil leakage device, including fuselage,
The supporing shell that is arranged on fuselage, be fixed on supporing shell side hydraulic injection cylinder, be arranged inside hydraulic injection cylinder
Mobile piston and piston rod, the screw rod spline that hydraulic injection cylinder output end is set, the screw rod being socketed on screw rod spline pass
Moving gear, the gear-box that connection is engaged with screw drive gear, the rotation screw rod that connect with screw rod spline one end and covering are rotating
Screw rod and the barrel fixed with supporing shell, the hydraulic injection cylinder is equipped with close to the side of supporing shell prevents hydraulic cylinder oil leak
Drainage device, and piston rod be located at one end inside supporing shell be equipped with prevent dust, dirt enter dust-proof sealing device,
The dust-proof sealing device is arranged inside supporing shell, and one end of corresponding rotation screw rod is equipped with to material outside supporing shell
The material guide device stopped, and material guide device output end is located inside barrel.
Preferably, the drainage device includes capsul, the first seal washer, the first drainage washer, the second drainage washer
With fuel-displaced part, the two sides of the capsul pass through the outside of two the first seal washers and hydraulic injection cylinder and supporing shell respectively
It is fixedly connected, and capsul is socketed on the outside of piston rod, drainage trough is equipped with inside the capsul, and be in respectively inside drainage trough
Staggered row shows the first drainage washer and the second drainage washer, and the first drainage pad circle is socketed on the outside of piston rod, described close
Oil storage tank is equipped with inside capsule, and oil storage tank is connected to drainage trough, the oil storage tank bottom end is equipped with fuel-displaced part.
Preferably, the first drainage washer and the second drainage washer are truncated conical shape.
Preferably, the fuel-displaced part includes inner screw sheath, threaded rod and the second seal washer, the bottom inside the oil storage tank
End is fixedly connected with inner screw sheath, and threaded rod and inner screw sheath are rotatablely connected, and second seal washer is socketed in threaded rod
Outside, and the second seal washer is fixedly connected on inside oil storage tank.
Preferably, the dust-proof sealing device includes set casing, the first dust washer and the second dust washer, the fixation
Shell is fixedly connected on inside supporing shell, and set casing is socketed on the outside of piston rod, and dustproof groove is equipped with inside the set casing, and
First dust washer and the second dust washer are fixedly connected with inside dustproof groove, and first dust washer and piston rod slide
It connects, is respectively equipped with the first card slot and the second card slot inside first dust washer and the second dust washer, and first is dust-proof
The first protrusion on washer is connected to inside the second card slot, and the second protrusion inside second dust washer is connected to the first card
Inside slot.
Preferably, the position that first dust washer is connect with piston rod is rounding corner structure.
Preferably, several buffer springs are equipped with inside second card slot, and several buffer springs and first dust-proof
The first projection contacts on washer.
Preferably, the material guide device includes elastic conducting backing strap, elastic gripping pad, stiffened shell and sealing plate, the elasticity
Guide pad is slidably socketed on the outside of rotation screw rod, and flexible gripping pad is connected on the outside of elastic conducting backing strap, and elastic clamping
Pad outside is equipped with stiffened shell, and the elastic conducting backing strap, elastic gripping pad and stiffened shell are fixedly connected with sealing plate, the sealing
Plate is slidably socketed on the outside of rotation screw rod, and the two sides of the sealing plate are fixedly connected with supporing shell and barrel respectively.
Preferably, the elastic gripping pad and stiffened shell are U-shape.
Compared with prior art, the beneficial effects of the present invention are:
1, the present invention is carrying out in use, by the drainage device of the inside that correspond to supporing shell in piston rod setting, from
And play the role of playing effective oil-leakage-prevention between the position for connecting piston rod and supporing shell, while on the outside of piston rod
Supporing shell is set, to play the role of the granule foreign to suspend in isolated environment, while in piston rod and supporing shell
The dust-proof sealing device of portion's setting, to play the dust-proof effect to supporing shell and plunger rod contacts position, while being propped up
The material guide device that the position that support shell is connect with rotation screw rod is equipped with, to further prevent graininess or powdered plastic from entering
To supporing shell, avoiding graininess or powdered plastic and plunger rod contacts leads abrasion between piston rod and sealing element
Injection cylinder is caused the phenomenon that oil leak occur.
2, the configuration of the present invention is simple, while being truncated conical shape by the first drainage washer and the second drainage washer, thus
Play the role of playing the hydraulic oil adhered on piston and effectively drain.
Detailed description of the invention
Fig. 1 is overall structure of the present invention；
Fig. 2 is a-quadrant enlarged structure schematic diagram in Fig. 1 of the present invention；
Fig. 3 is B area enlarged structure schematic diagram in Fig. 1 of the present invention；
Fig. 4 is the region C enlarged structure schematic diagram in Fig. 2 of the present invention；
Fig. 5 is the region D enlarged structure schematic diagram in Fig. 2 of the present invention.
In figure: 1- fuselage；2- supporing shell；3- hydraulic injection cylinder；4- moves piston；5- piston rod；6- screw rod spline；7-
Screw drive gear；8- gear-box；9- rotates screw rod；10- drainage device；11- dust-proof sealing device；12- material guide device；13-
Barrel；14- capsul；The first seal washer of 15-；16- first drains washer；17- second drains washer；The fuel-displaced part of 18-；19-
Drainage trough；20- oil storage tank；21- inner screw sheath；22- threaded rod；The second seal washer of 23-；24- set casing；25- first is dust-proof
Washer；The second dust washer of 26-；27- dustproof groove；The first card slot of 28-；The second card slot of 29-；The first protrusion of 30-；31- second is convex
It rises；32- buffer spring；33- elastic conducting backing strap；34- elasticity gripping pad；35- stiffened shell；36- sealing plate.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Fig. 1-4 is please referred to, the present invention provides a kind of technical solution: a kind of injection molding machine anti-oil leakage device, including fuselage 1, set
Set supporing shell 2 on the fuselage 1, the side for being fixed on supporing shell 2 hydraulic injection cylinder 3, be arranged in hydraulic injection cylinder 3
The mobile piston 4 and piston rod 5 in portion, are socketed on screw rod spline 6 the screw rod spline 6 that 3 output end of hydraulic injection cylinder is arranged in
Screw drive gear 7, the gear-box 8 that connection is engaged with screw drive gear 7, the rotation screw rod 9 being connect with 6 one end of screw rod spline
With cover in rotation screw rod 9 and the barrel 13 fixed with supporing shell 2, the hydraulic injection cylinder 3 are set close to the side of supporing shell 2
There is a drainage device 10 for preventing hydraulic cylinder oil leak, and piston rod 5 is located at one end inside supporing shell 2 and is equipped with prevents dust, dirt
The dust-proof sealing device 11 that object enters, the dust-proof sealing device 11 are arranged inside supporing shell 2, and outside supporing shell 2
One end of corresponding rotation screw rod 9 is equipped with the material guide device 12 stopped to material, and 12 output end of material guide device is located at barrel
Inside 13.
The drainage device 10 includes capsul 14, the first seal washer 15, first drainage drainage washer of washer 16, second
17 and fuel-displaced part 18, the two sides of the capsul 14 pass through two the first seal washers 15 and hydraulic injection cylinder 3 and support respectively
The outside of shell 2 is fixedly connected, and capsul 14 is socketed in 5 outside of piston rod, is equipped with drainage trough 19 inside the capsul 14,
And mistake is submitted inside drainage trough 19 respectively and is arranged with the first drainage washer 16 and the second drainage washer 17, the first drainage washer
16 are socketed in 5 outside of piston rod, are equipped with oil storage tank 20 inside the capsul 14, and oil storage tank 20 is connected to drainage trough 19, institute
20 bottom end of oil storage tank is stated equipped with fuel-displaced part 18, by the drainage device 10 being equipped with, to prevent oil leak occur on the outside of piston rod 5
Phenomenon.
The first drainage washer 16 and the second drainage washer 17 are truncated conical shape, to play to 5 outside of piston rod
Hydraulic oil carry out water conservancy diversion effect.
The fuel-displaced part 18 includes inner screw sheath 21, threaded rod 22 and the second seal washer 23, inside the oil storage tank 20
Bottom end be fixedly connected with inner screw sheath 21, and threaded rod 22 and inner screw sheath 21 are rotatablely connected, second seal washer 23
It is socketed in 22 outside of threaded rod, and the second seal washer 23 is fixedly connected on inside oil storage tank 20, to play to oil storage tank 20
In the effect that is drained of hydraulic oil.
Specific embodiment: when being processed to particle or powdered plastic, oiling is carried out into hydraulic injection cylinder 3 and is gone out
Oil is moved to make mobile piston 4 that piston rod 5 be pushed to move in circles in 3 inside memory of hydraulic injection cylinder, in piston rod 5
In certain process, the first drainage washer 16 is contacted with piston rod 5, makes on piston rod 5 remaining hydraulic oil by the first drainage pad
Circle 16 is poured into inside the drainage trough 19 formed between the first drainage washer 16 and the second drainage washer 17, at the same hydraulic oil by
Under the action of self gravity, it is moved to the bottom end of drainage trough 19, after piston rod 5 runs a period of time, by rotating threaded rod
22, it is detached from threaded rod 22 inside oil storage tank 20, can be realized and the hydraulic oil of 19 inner accumulation of drainage trough is quickly discharged
Effect.
The dust-proof sealing device 11 includes set casing 24, the first dust washer 25 and the second dust washer 26, described solid
Determine shell 24 to be fixedly connected on inside supporing shell 2, and set casing 24 is socketed in 5 outside of piston rod, sets inside the set casing 24
There is dustproof groove 27, and the first dust washer 25 and the second dust washer 26 are fixedly connected with inside dustproof groove 27, described first
Dust washer 25 is slidably connected with piston rod 5, and is respectively equipped with inside first dust washer 25 and the second dust washer 26
One card slot 28 and the second card slot 29, and the first protrusion 30 on the first dust washer 25 is connected to inside the second card slot 29, it is described
The second protrusion 31 inside second dust washer 26 is connected to inside the first card slot 28, by the dust-proof sealing device 11 being equipped with,
To play to the dust-proof effect in 5 moving process of piston rod.
Specific embodiment: during piston rod 5 does iterative motion inside supporing shell 2, first is dust-proof
Washer 25 and piston rod 5 are in close contact, and during contact, by the graininess or powdered plastic impurity in 5 outside of piston rod
It is excluded, while under the action of the contact of the second dust washer 26, contacts the first dust washer 25 more with piston rod 5
Add stabilization, while the first dust washer 25 can do compressional movement relative to the second dust washer 26, to be effectively reduced
The phenomenon that abrasion when first dust washer 25 is contacted with piston rod 5.
The position that first dust washer 25 is connect with piston rod 5 is rounding corner structure, to make on piston rod 5
The effect that granular or powdered plastic is rapidly separated.
Several buffer springs 32, and several buffer springs 32 and the first dust-proof cushion are equipped with inside second card slot 29
The first protrusion 30 on circle 25 contacts, by several buffer springs 32 being equipped with, to improve the first dust washer 25 and the
The elastic acting force of two dust washers 26 contact.
The material guide device 12 includes elastic conducting backing strap 33, elastic gripping pad 34, stiffened shell 35 and sealing plate 36, the bullet
Property guide pad 33 be slidably socketed in 9 outside of rotation screw rod, and flexible gripping pad 34 is connected on the outside of elastic conducting backing strap 33, and
Be equipped with stiffened shell 35 on the outside of elastic gripping pad 34, the elastic conducting backing strap 33, elastic gripping pad 34 and stiffened shell 35 with sealing
Plate 36 is fixedly connected, and the sealing plate 36 is slidably socketed in rotation screw rod 9 outside, the two sides of the sealing plate 36 respectively with support
Shell 2 is fixedly connected with barrel 13, by the material guide device 12 being equipped with, thus play to the graininess in rotation screw rod 9 outside or
The effect that powdered plastic is detached from.
Specific embodiment: rotate and when being moved relative to supporing shell 2 when rotating screw rod 9, elastic conducting
Backing strap 33 and the rotation outer side contacts of screw rod 9, while when 33 contacting material of elastic conducting backing strap and when compressional deformation, elastic gripping pad 34
33 screen resilience of elastic conducting backing strap is provided, while under the supporting role of stiffened shell 35, enhancing the intensity of elastic material guiding parts, thus
It is detached from the graininess for rotating screw rod 9 or powdered plastic to enter on the outside of the rotation screw rod 9 inside supporing shell 2, and then prevents
Granular or powdered plastic is contacted with piston rod 5.
The elasticity gripping pad 34 and stiffened shell 35 are U-shape, so that degree of playing elastic conducting backing strap 33 carries out reinforcing leading
The effect of material.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (9)
1. a kind of injection molding machine anti-oil leakage device including fuselage (1), the supporing shell (2) being arranged on fuselage (1), is fixed on branch
It supports the hydraulic injection cylinder (3) of the side of shell (2), the mobile piston (4) and piston rod internal in hydraulic injection cylinder (3) is set
(5), screw rod spline (6) in hydraulic injection cylinder (3) output end, the screw drive gear that is socketed on screw rod spline (6) are set
(7), the gear-box (8) that connection is engaged with screw drive gear (7), the rotation screw rod (9) that is connect with screw rod spline (6) one end and
It covers in rotation screw rod (9) and the barrel (13) fixed with supporing shell (2), it is characterised in that: the hydraulic injection cylinder (3) is close
The side of supporing shell (2) is equipped with the drainage device (10) for preventing hydraulic cylinder oil leak, and piston rod (5) is located at supporing shell (2)
Internal one end is equipped with the dust-proof sealing device (11) for preventing dust, dirt from entering, and dust-proof sealing device (11) setting exists
Supporing shell (2) is internal, and one end that rotation screw rod (9) is corresponded to outside supporing shell (2) is equipped with and leads to what material was stopped
Expect device (12), and material guide device (12) output end is located at barrel (13) inside.
2. a kind of injection molding machine anti-oil leakage device according to claim 1, it is characterised in that: the drainage device (10) includes
Capsul (14), the first seal washer (15), the first drainage washer (16), the second drainage washer (17) and fuel-displaced part (18), institute
The two sides for stating capsul (14) pass through two the first seal washers (15) and hydraulic injection cylinder (3) and supporing shell (2) respectively
Outside is fixedly connected, and capsul (14) is socketed on the outside of piston rod (5), and drainage trough is equipped with inside the capsul (14)
(19), and the internal mistake of submission respectively of drainage trough (19) is arranged with the first drainage washer (16) and the second drainage washer (17), described
First drainage washer (16) is socketed on the outside of piston rod (5), is equipped with oil storage tank (20) inside the capsul (14), and oil storage tank
(20) it is connected to drainage trough (19), oil storage tank (20) bottom end is equipped with fuel-displaced part (18).
3. a kind of injection molding machine anti-oil leakage device according to claim 2, it is characterised in that: first drainage washer (16)
It is truncated conical shape with the second drainage washer (17).
4. a kind of injection molding machine anti-oil leakage device according to claim 2, it is characterised in that: the fuel-displaced part (18) includes interior
Thread bush (21), threaded rod (22) and the second seal washer (23), the internal bottom end of the oil storage tank (20) are fixedly connected with interior
Thread bush (21), and threaded rod (22) and inner screw sheath (21) are rotatablely connected, second seal washer (23) is socketed in screw thread
On the outside of bar (22), and the second seal washer (23) is fixedly connected on oil storage tank (20) inside.
5. a kind of injection molding machine anti-oil leakage device according to claim 1, it is characterised in that: the dust-proof sealing device (11)
Including set casing (24), the first dust washer (25) and the second dust washer (26), the set casing (24) is fixedly connected on branch
It is internal to support shell (2), and set casing (24) is socketed on the outside of piston rod (5), dustproof groove is equipped with inside the set casing (24)
(27), and the first dust washer (25) and the second dust washer (26) are fixedly connected with inside dustproof groove (27), and described first
Dust washer (25) is slidably connected with piston rod (5), first dust washer (25) and the second dust washer (26) inner part
Not She You the first card slot (28) and the second card slot (29), and first raised (30) on the first dust washer (25) are connected to second
Card slot (29) is internal, and it is internal that second internal raised (31) of second dust washer (26) are connected to the first card slot (28).
6. a kind of injection molding machine anti-oil leakage device according to claim 5, it is characterised in that: first dust washer (25)
The position connecting with piston rod (5) is rounding corner structure.
7. a kind of injection molding machine anti-oil leakage device according to claim 5, it is characterised in that: second card slot (29) is internal
First raised (30) equipped with several buffer springs (32), and on several buffer springs (32) and the first dust washer (25)
Contact.
8. a kind of injection molding machine anti-oil leakage device according to claim 1, it is characterised in that: the material guide device (12) includes
Elastic conducting backing strap (33), elastic gripping pad (34), stiffened shell (35) and sealing plate (36), elastic conducting backing strap (33) sliding sleeve
It connects on the outside of rotation screw rod (9), and connects flexible gripping pad (34) on the outside of elastic conducting backing strap (33), and elastic gripping pad
(34) outside is equipped with stiffened shell (35), the elastic conducting backing strap (33), elastic gripping pad (34) and stiffened shell (35) with sealing
Plate (36) is fixedly connected, and the sealing plate (36) is slidably socketed on the outside of rotation screw rod (9), the two sides point of the sealing plate (36)
It is not fixedly connected with supporing shell (2) and barrel (13).
9. a kind of injection molding machine anti-oil leakage device according to claim 8, it is characterised in that: it is described elasticity gripping pad (34) with
Stiffened shell (35) is U-shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910852627.2A CN110509493B (en) | 2019-09-10 | 2019-09-10 | Oil leakage prevention device of injection molding machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910852627.2A CN110509493B (en) | 2019-09-10 | 2019-09-10 | Oil leakage prevention device of injection molding machine |
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| CN110509493A true CN110509493A (en) | 2019-11-29 |
| CN110509493B CN110509493B (en) | 2021-10-29 |
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| DE2836165A1 (en) * | 1978-08-18 | 1980-03-06 | Demag Kunststofftech | BACKFLOW BLOCK FOR SNAIL INJECTION MOLDING MACHINES |
| JP4744478B2 (en) * | 2007-05-25 | 2011-08-10 | 株式会社名機製作所 | Sealing mechanism at the rear end of the heating cylinder |
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| CN204921997U (en) * | 2015-09-14 | 2015-12-30 | 广州流体密封科技有限公司 | Novel piston rod seal assembly |
| CN206048670U (en) * | 2016-08-31 | 2017-03-29 | 西诺控股集团有限公司 | Injection molding machine injection cylinder cap oil return mechanism |
| CN206972656U (en) * | 2017-05-25 | 2018-02-06 | 王艳华 | Bi-material layers dust-proof seal ring |
| CN109676883A (en) * | 2019-01-08 | 2019-04-26 | 山东福润橡塑科技有限公司 | A kind of rapid cooling formula injection moulding apparatus |
| CN208845711U (en) * | 2018-09-29 | 2019-05-10 | 北京金自天成液压技术有限责任公司 | A kind of hydraulic cylinder piston rod anti-extrusion dustband and hydraulic cylinder |
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2019
- 2019-09-10 CN CN201910852627.2A patent/CN110509493B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2836165A1 (en) * | 1978-08-18 | 1980-03-06 | Demag Kunststofftech | BACKFLOW BLOCK FOR SNAIL INJECTION MOLDING MACHINES |
| JP4744478B2 (en) * | 2007-05-25 | 2011-08-10 | 株式会社名機製作所 | Sealing mechanism at the rear end of the heating cylinder |
| CN203926778U (en) * | 2014-06-26 | 2014-11-05 | 唐慧 | Novel ceramic press master cylinder major diameter dust ring |
| CN204921997U (en) * | 2015-09-14 | 2015-12-30 | 广州流体密封科技有限公司 | Novel piston rod seal assembly |
| CN206048670U (en) * | 2016-08-31 | 2017-03-29 | 西诺控股集团有限公司 | Injection molding machine injection cylinder cap oil return mechanism |
| CN206972656U (en) * | 2017-05-25 | 2018-02-06 | 王艳华 | Bi-material layers dust-proof seal ring |
| CN208845711U (en) * | 2018-09-29 | 2019-05-10 | 北京金自天成液压技术有限责任公司 | A kind of hydraulic cylinder piston rod anti-extrusion dustband and hydraulic cylinder |
| CN109676883A (en) * | 2019-01-08 | 2019-04-26 | 山东福润橡塑科技有限公司 | A kind of rapid cooling formula injection moulding apparatus |
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| Publication number | Publication date |
|---|---|
| CN110509493B (en) | 2021-10-29 |
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Effective date of registration: 20221215 Address after: 516000 Plant 1, No. 6, Xingde West Road, Dongjiang Hi tech Industrial Park, Zhongkai Hi tech Zone, Huizhou, Guangdong (Huameite Science Park) Patentee after: Huizhou Huamei precision parts Co.,Ltd. Address before: 315000 No. 161, Jishi East Road, jishigang Town, Haishu District, Ningbo City, Zhejiang Province Patentee before: Zhang Chi |
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