CN211105266U - Injection nozzle of liquid silica gel injection molding machine - Google Patents
Injection nozzle of liquid silica gel injection molding machine Download PDFInfo
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- CN211105266U CN211105266U CN201921842939.7U CN201921842939U CN211105266U CN 211105266 U CN211105266 U CN 211105266U CN 201921842939 U CN201921842939 U CN 201921842939U CN 211105266 U CN211105266 U CN 211105266U
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Abstract
The utility model discloses a liquid silica gel injection molding machine board penetrates and chews, including penetrating the body of chewing, penetrate the cylinder body, penetrate the base, penetrate and chew the head, needle and pneumatic piston, penetrate and chew the cylinder body and connect and penetrate and chew between the body and penetrate the base, penetrate the head that the body was penetrated in the first installation of chewing, penetrate and chew the body, penetrate and chew the cylinder body and penetrate the inside of chewing the base and all be equipped with the colloid runner that the butt joint intercommunication of each other, pneumatic piston movable mounting is in penetrating the piston movable groove of chewing the cylinder body inside, the one end and the pneumatic piston fixed connection of needle, the other end of needle passes penetrates to penetrate and chews the hole site of cylinder body and stretches into after penetrating the gluey section of the colloid runner of chewing the head and mouthful department that penetrates, penetrate the inside of chewing the cylinder body and be equipped with the needle and open the gas circuit, the inside of. The utility model discloses a built-in pneumatic piston seals the needle mode, and the switching of needle is controlled in the action of accessible gas circuit control piston, need not external drive arrangement. In addition, the design of no dead angle of a flow channel, leakage prevention, built-in water channels and the like is adopted.
Description
Technical Field
The utility model relates to an injection moulding equipment technical field, more specifically say, relate to a liquid silica gel injection molding machine board is penetrated and is chewed.
Background
The existing liquid silica gel injection molding machine is generally provided with a nozzle and can be divided into an open nozzle and a needle valve type nozzle according to different structural forms of the nozzles, wherein the existing needle valve type nozzle usually adopts a lever type needle valve to seal a needle and needs an external driving device.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome the above-mentioned defect among the prior art, provide a liquid silica gel injection molding machine board and penetrate and chew.
In order to achieve the above object, the utility model provides a liquid silica gel injection molding machine platform injection nozzle, including injecting nozzle body, injecting nozzle cylinder body, injecting nozzle base, injecting nozzle head, valve needle and pneumatic piston, the cylinder body is connected between injecting nozzle body and injecting nozzle base, the head of injecting nozzle head connection at injecting nozzle body, the inside of injecting nozzle body, injecting nozzle cylinder body and injecting nozzle base all is equipped with the colloid runner that mutually docks the intercommunication, the screw rod link end of injecting nozzle base sets up the glue inlet that is linked together with the colloid runner of injecting nozzle base, the glue outlet of the colloid runner of injecting nozzle body extends the head of injecting nozzle body and communicates the glue outlet of injecting nozzle head, pneumatic piston movable mounting is in the piston movable groove of injecting nozzle cylinder body inside, the one end and the pneumatic piston fixed connection of valve needle, the other end of valve needle stretches into the glue outlet of injecting nozzle head after passing the glue outlet of injecting nozzle cylinder body and the colloid runner of injecting nozzle body, the inside of penetrating the cylinder body is equipped with the needle and opens the gas circuit, the air inlet that the gas circuit was opened to the needle is located the lateral wall that penetrates the cylinder body, the gas outlet intercommunication piston movable groove of gas circuit is opened to the needle, the inside of penetrating the base is equipped with the needle and closes the gas circuit, the air inlet that the gas circuit was closed to the needle is located the lateral wall that penetrates the cylinder body, the gas outlet intercommunication piston movable groove that the gas circuit was closed to the needle and corresponds to pneumatic piston's back position, pneumatic piston is located the gas outlet that the gas circuit was opened to the needle and the gas outlet that the gas circuit.
As a preferred implementation mode, the injection nozzle body comprises an injection nozzle body outer sleeve and an injection nozzle body inner sleeve, the injection nozzle body outer sleeve is provided with an outer sleeve base and an outer sleeve connected to one end of the outer sleeve base, the injection nozzle body inner sleeve is provided with an inner sleeve base and an inner sleeve head connected to one end of the inner sleeve base, the inner sleeve head of the injection nozzle body inner sleeve is connected with the injection nozzle head after penetrating through the outer sleeve of the injection nozzle body outer sleeve, and the colloid flow channel of the injection nozzle body is arranged inside the injection nozzle body inner sleeve.
In a preferred embodiment, a first O-ring is provided between the outer sleeve seat of the outer sleeve of the nozzle body and the inner sleeve seat of the inner sleeve of the nozzle body, and a second O-ring is provided between the inside of the front end of the outer sleeve of the nozzle body and the front end of the inner sleeve head of the inner sleeve of the nozzle body.
In a preferred embodiment, a third O-ring is provided between the front end of the inner sleeve head of the inner sleeve of the nozzle body and the nozzle head.
As a preferred embodiment, a guide sleeve fixing seat, a valve needle guide sleeve, a first U-shaped seal, a second U-shaped seal and a fourth O-shaped ring are arranged inside the injection nozzle body inner sleeve, the valve needle guide sleeve is mounted inside the injection nozzle body inner sleeve through the guide sleeve fixing seat, the first U-shaped seal is located between the inside of the guide sleeve fixing seat and the front end of the valve needle guide sleeve, the second U-shaped seal and the fourth O-shaped ring are respectively located between the front end of the guide sleeve fixing seat and the injection nozzle body inner sleeve, and the valve needle respectively penetrates through the valve needle guide sleeve, the first U-shaped seal, the guide sleeve fixing seat and the second U-shaped seal.
In a preferred embodiment, a gray ring is arranged between the outer side wall of the pneumatic piston and the inner wall of the nozzle cylinder, and one end of the valve needle is fixedly connected with the pneumatic piston through a valve needle compression screw.
As a preferred embodiment, the glue inlet section of the glue flow channel of the nozzle body is an oblique flow channel, the glue outlet section of the glue flow channel of the nozzle body is a straight flow channel, the glue flow channel of the nozzle cylinder body is a straight flow channel, the glue flow of the nozzle base is an oblique flow channel, the butt joint position of the oblique flow channel of the nozzle body and the straight flow channel of the nozzle body adopts a hemispherical butt joint mode, and the butt joint position of the oblique flow channel of the nozzle base and the straight flow channel of the nozzle body adopts a hemispherical butt joint mode.
As a preferable embodiment, fifth O-rings located on the periphery of the butt joint position of the flow channel are respectively arranged between the injection nozzle body and the injection nozzle cylinder body and between the injection nozzle cylinder body and the injection nozzle base, a protruding portion extending into the piston movable groove is arranged at the front end of the injection nozzle base, and a sixth O-ring is arranged between the outer side wall of the protruding portion and the inner wall of the injection nozzle cylinder body.
As a preferable embodiment, the inner sleeve of the nozzle body and the inner sleeve of the nozzle cylinder are provided with waterway channels which are mutually butted and communicated, and a water inlet and a water outlet of the waterway channel of the nozzle cylinder are both arranged on the outer side wall of the nozzle cylinder, or the inner sleeve of the nozzle body, the nozzle cylinder and the nozzle base are provided with waterway channels which are mutually butted and communicated, and a water inlet and a water outlet of the waterway channel of the nozzle base are both arranged on the outer side wall of the nozzle cylinder.
As a preferred embodiment, the nozzle body, the nozzle cylinder and the nozzle base are fixedly connected through a cup head screw, and the nozzle body is sleeved with a screw cap positioned on the outer side of the head end of the cup head screw.
Compared with the prior art, the beneficial effects of the utility model reside in that:
1. the utility model has the advantages of reasonable design, adopt built-in pneumatic piston to seal the needle mode, pneumatic piston is connected to the needle, and the switching of needle is realized to accessible gas circuit control piston action, need not external drive arrangement.
2. The utility model discloses a butt joint position of off-angle runner and straight position runner adopts hemisphere butt joint mode, can make the runner butt joint realize no dead angle, washs convenient and fast, and it is careless to trade the look, walks to glue smoothly.
3. The utility model discloses built-in water route can guarantee to penetrate to chew that the whole cooling is balanced, and the sizing material flows stably smooth and easy.
4. The utility model discloses a reasonable prevents that the sizing material from leaking in the use effectively, promotes life in preventing the design of leaking.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a first schematic structural view of a machine table nozzle of a liquid silica gel injection molding machine provided by an embodiment of the present invention;
fig. 2 is a second schematic structural view of a machine table nozzle of a liquid silica gel injection molding machine provided by the embodiment of the present invention;
fig. 3 is an exploded view of a machine table nozzle of a liquid silica gel injection molding machine provided by the embodiment of the present invention;
FIG. 4 is an internal structure view of a machine table nozzle of a liquid silica gel injection molding machine provided by the embodiment of the present invention;
FIG. 5 is a colloid flow diagram of a machine table nozzle of a liquid silica gel injection molding machine provided by the embodiment of the present invention;
fig. 6 is a gas circuit diagram of a machine table nozzle of the liquid silica gel injection molding machine provided by the embodiment of the utility model;
FIG. 7 is a water path diagram of a table nozzle of a liquid silicone rubber injection molding machine provided by the embodiment of the present invention;
fig. 8 is a structural diagram of a butt joint portion between an oblique runner and a straight runner provided in the embodiment of the present invention;
fig. 9 is a water path diagram of a machine nozzle of a liquid silica gel injection molding machine according to another embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1 to 4, an embodiment of the present invention provides a machine table nozzle of a liquid silicone injection molding machine, including a nozzle head 1, a nozzle body 2, a nozzle cylinder 3, a nozzle base 4, a valve needle 5 and a pneumatic piston 6, wherein the nozzle cylinder 3 is connected between the nozzle body 2 and the nozzle base 4, and the nozzle head 1 is connected to the head of the nozzle body 2.
In this embodiment, preferably, as shown in fig. 3 and 4, the nozzle body 2 may include a nozzle body outer sleeve 21 and a nozzle body inner sleeve 22, the nozzle body outer sleeve 21 has an outer sleeve body 211 and an outer sleeve 212 connected to one end of the outer sleeve body 211, the nozzle body inner sleeve 22 has an inner sleeve body 221 and an inner sleeve head 222 connected to one end of the inner sleeve body 221, and the inner sleeve head 222 of the nozzle body inner sleeve 22 can pass through the outer sleeve 212 of the nozzle body outer sleeve 21 and then be connected to the nozzle head 1. Of course, in other embodiments, the nozzle body 2 may be of an integral structure, as required.
As shown in fig. 5, colloid flow channels 7a, 7b, 7c which are mutually connected and communicated are arranged inside the injection nozzle body 2, the injection nozzle cylinder body 3 and the injection nozzle base 4, a glue inlet 41 which is communicated with the colloid flow channel 7c of the injection nozzle base 4 is arranged at the screw rod connecting end of the injection nozzle base 4, a glue outlet section 7a2 of the colloid flow channel 7a of the injection nozzle body 2 extends out of the head of the injection nozzle body 2 and is communicated with a glue outlet 11 of the injection nozzle head 1, and the colloid flow channel 7a, the colloid flow channel 7b and the colloid flow channel 7c can be combined and connected into a complete flow channel which penetrates through the injection nozzle body 2, the injection nozzle cylinder body 3 and the injection nozzle base 4. Wherein, the colloid flow channel 7a of the injection nozzle body 2 can be arranged inside the injection nozzle body inner sleeve 22, the glue inlet section 7a1 of the colloid flow channel 7a of the injection nozzle body 2 is an oblique flow channel, the glue outlet section 7a2 of the colloid flow channel of the injection nozzle body 2 is a straight flow channel, the colloid flow channel 7b of the injection nozzle cylinder body 3 is a straight flow channel, the colloid flow 7c of the injection nozzle base 4 is an oblique flow channel, the butt joint position of the oblique flow channel of the injection nozzle body 2 and the straight flow channel of the injection nozzle body 2 adopts a hemispherical butt joint mode, and the butt joint position of the oblique flow channel of the injection nozzle base 4 and the straight flow channel of the injection nozzle body 2 adopts a hemispherical butt joint mode (as shown in fig. 8).
As shown in fig. 3 and 4, the pneumatic piston 6 is movably installed in the piston moving groove 31 inside the nozzle cylinder 3, one end of the valve needle 5 can be fixedly connected with the pneumatic piston 6 through the valve needle hold-down screw 18, and the other end of the valve needle 5 passes through the hole site of the nozzle cylinder 3 and the glue outlet section 7a2 of the glue flow channel of the nozzle body 2 and then extends into the glue outlet 11 of the nozzle head 1. To improve the sealing, a gray ring 17 may be provided between the outer side wall of the pneumatic piston 6 and the inner wall of the nozzle cylinder 3.
As shown in fig. 3 and 4, a guide sleeve fixing seat 12, a needle guide sleeve 13, a first U-shaped seal 14, a second U-shaped seal 15 and a fourth O-ring 16 may be further added inside the injection nozzle body inner sleeve 22, the needle guide sleeve 13 is installed inside the injection nozzle body inner sleeve 22 through the guide sleeve fixing seat 12, the first U-shaped seal 14 is located between the inside of the guide sleeve fixing seat 12 and the front end of the needle guide sleeve 13, the second U-shaped seal 15 and the fourth O-ring 16 are respectively located between the front end of the guide sleeve fixing seat 12 and the injection nozzle body inner sleeve 22, and the needle 5 passes through the needle guide sleeve 13, the first U-shaped seal 14, the guide sleeve fixing seat 12 and the second U-shaped seal 15 respectively. The second U-shaped seal 15 can be designed as a first sealant, and the first U-shaped seal 14 and the fourth O-ring 16 can be designed as a second sealant, so that the valve needle adopts a double-layer sealant design.
As shown in fig. 6, a valve needle opening air passage 32 is arranged inside the injection cylinder 3, an air inlet of the valve needle opening air passage 32 is located on the outer side wall of the injection cylinder 3, an air outlet of the valve needle opening air passage 32 is communicated with the piston movable groove 31, a valve needle closing air passage 33 is arranged inside the injection nozzle base 4, an air inlet of the valve needle closing air passage 33 is located on the outer side wall of the injection cylinder 3, an air outlet of the valve needle closing air passage 33 is communicated with the piston movable groove 31 and corresponds to the back position of the pneumatic piston 6, and the pneumatic piston 6 is located between the air outlet of the valve needle opening air passage 32 and the air outlet.
When the gas circuit 32 lets in gas is opened to the needle, gas can promote pneumatic piston 6 and remove toward the direction of penetrating nozzle base 4 to drive needle 5 and open the play jiao kou 11 that penetrates nozzle head 1, when the needle closed gas circuit 33 lets in gas, gas can promote pneumatic piston 6 and remove toward the direction that penetrates nozzle body 2, thereby drives needle 5 and plugs up the play jiao kou 11 that penetrates nozzle head 1.
In particular, in order to further improve the sealing performance of the nozzle, the nozzle is provided with sealing rings between the connecting positions of a plurality of components, such as: a first O-ring 8 is arranged between the outer sleeve seat body 211 of the outer sleeve 21 of the injection nozzle body and the inner sleeve seat body 221 of the inner sleeve 22 of the injection nozzle body, a second O-ring 9 is arranged between the front end of the outer sleeve 212 of the outer sleeve 21 of the injection nozzle body and the front end of the inner sleeve head 222 of the inner sleeve 22 of the injection nozzle body, a third O-ring 10 is arranged between the front end of the inner sleeve head 222 of the inner sleeve 22 of the injection nozzle body and the injection nozzle head 1, fifth O-rings 19 positioned on the periphery of the butt joint position of the flow channel are respectively arranged between the injection nozzle body 2 and the injection nozzle cylinder body 3 and between the injection nozzle cylinder body 3 and the injection nozzle base 4, a convex part 41 extending into the piston movable groove 31 is arranged at the front end of the injection nozzle base 4, and a sixth O-ring 20 is arranged between the outer side.
As shown in fig. 3 and 4, the nozzle body 2, the nozzle cylinder 3 and the nozzle base 4 can be fixedly connected through a cup head screw 24, the nozzle body 2 is sleeved with a screw cap 25 positioned on the outer side of the head end of the cup head screw 24, the screw cap 25 is annular, the outer sleeve 212 of the nozzle body outer sleeve 21 can penetrate through the center hole of the screw cap 25, and the screw cap 25 can cover the cup head screw 24 to play a role of shielding.
As a further improvement of the embodiment, the nozzle can be additionally provided with a built-in water channel, as shown in figure 7, the insides of the nozzle body inner sleeve 22 and the nozzle cylinder 3 are respectively provided with water channel channels 23a1 and 23b1 and water channel channels 23a2 and 23b2 which are mutually butted and communicated, the water channel channels 23a1 and 23b1 are combined to form a water inlet channel, the water channel channels 23a2 and 23b2 are combined to form a water outlet channel, the water inlet channel and the water outlet channel are communicated in the nozzle body inner sleeve 22, and the water inlet of the water channel 23b1 of the nozzle cylinder 3 and the water outlet of the water channel 23b2 are both arranged on the outer side wall of the nozzle cylinder 3.
In another embodiment, as shown in fig. 9, the inlet and outlet of the water channel may be arranged on the outer side wall of the nozzle cylinder 3, in this case, the water channel channels 23a1, 23b1, 23c1 and the water channel channels 23a2, 23b2, 23c2 are arranged inside the nozzle body inner case 22, the nozzle cylinder 3 and the nozzle base 4, which are in butt communication with each other, the water channel channels 23a1, 23b1 and 23c1 are combined to form a water inlet channel, the water channel channels 23a2, 23b2, 23c2 are combined to form a water outlet channel, the water inlet channel and the water outlet channel are communicated in the nozzle body inner case 22, and the water inlet of the water channel 23c1 and the water outlet of the water channel 23c2 of the nozzle base 4 are arranged on the outer side wall of the nozzle cylinder 3. When the liquid silica gel injection molding machine is specifically implemented, the injection nozzle with the water path structure can be suitable for a large screw of a machine table of the liquid silica gel injection molding machine.
The injection nozzle of this embodiment can be connected with the screw rod erection of various liquid silica gel injection molding machine boards on the market at present, and in process of production, the sizing material can enter into the injection nozzle from the screw rod of liquid silica gel injection molding machine board, and the base is chewed in the injection of flowing through in proper order, penetrate the cylinder body, penetrate the colloid runner of chewing the body to converge in penetrating the body, penetrate the mouth of spouting of chewing the head from penetrating and jet out, wherein, pneumatic piston is connected to the needle, and the switching of needle is realized to accessible gas circuit control piston action.
The utility model discloses a penetrate to chew has following characteristics:
1. the whole body of the nozzle is polished by a mirror surface, and the surface is bright and rustproof.
2. The internal colloid runner adopts a hemisphere butt joint mode, so that no dead angle of the runner is realized, the runner is high in finish degree, the cleaning is convenient and rapid, the color change is free from worry, and the glue running is smooth.
3. The valve needle adopts the double-deck design of gluing in the cooperation, effectively prevents that the sizing material from leaking in the use, increase of service life.
4. The pneumatic piston is provided with a German import Glay ring, is durable and wear-resistant, has excellent sealing performance and stable driving, can replace the old lever type nozzle, and does not need an external driving device.
5. The nozzle head can be detached and replaced, is convenient and quick, and can be matched with different spherical surface sizes (namely SR size and butt joint position of the injection nozzle and the die) of a main injection nozzle (namely a sprue); the nozzle head material is made of Japanese imported high-speed steel, the heat treatment is carried out to 62 ℃, the surface treatment is carried out by adopting high-temperature nano coating titanium, the high strength, the toughness and the wear resistance are ensured, and the nozzle head material is impact-resistant and does not crack and deform after long-term production.
6. The built-in water route guarantees that the whole cooling of injection nozzle is balanced, and the sizing material flows steadily smoothly.
7. The diameter of the nozzle body is D39.0mm, and the nozzle is suitable for all liquid silica gel machine injection platforms in the market.
8. Spare and accessory parts are standardized, and the maintenance is changed simply swiftly.
The above embodiments are preferred embodiments of the present invention, but the embodiments of the present invention are not limited to the above embodiments, and any other changes, modifications, substitutions, combinations, and simplifications which do not depart from the spirit and principle of the present invention should be equivalent replacement modes, and all are included in the scope of the present invention.
Claims (10)
1. The utility model provides a liquid silica gel injection molding machine board is penetrated and is chewed which characterized in that: the nozzle comprises an injection nozzle body, an injection nozzle cylinder body, an injection nozzle base, an injection nozzle head, a valve needle and a pneumatic piston, wherein the injection nozzle cylinder body is connected between the injection nozzle body and the injection nozzle base, the injection nozzle head is connected to the head of the injection nozzle body, colloid runners which are mutually butted and communicated are arranged inside the injection nozzle body, the colloid runner of the injection nozzle body, the injection nozzle cylinder body and the injection nozzle base, a screw rod connecting end of the injection nozzle base is provided with a glue inlet communicated with the colloid runner of the injection nozzle base, a glue outlet section of the colloid runner of the injection nozzle body extends out of the head of the injection nozzle body and is communicated with the glue outlet of the injection nozzle head, the pneumatic piston is movably arranged in a piston movable groove inside the injection nozzle cylinder body, one end of the valve needle is fixedly connected with the pneumatic piston, the other end of the valve needle passes through a hole position of the injection nozzle cylinder body and the glue outlet section of the colloid runner of the injection nozzle body and then, the inside of penetrating the cylinder body is equipped with the needle and opens the gas circuit, the air inlet that the gas circuit was opened to the needle is located the lateral wall that penetrates the cylinder body, the gas outlet intercommunication piston movable groove of gas circuit is opened to the needle, the inside of penetrating the base is equipped with the needle and closes the gas circuit, the air inlet that the gas circuit was closed to the needle is located the lateral wall that penetrates the cylinder body, the gas outlet intercommunication piston movable groove that the gas circuit was closed to the needle and corresponds to pneumatic piston's back position, pneumatic piston is located the gas outlet that the gas circuit was opened to the needle and the gas outlet that the gas circuit.
2. The machine injection nozzle of the liquid silica gel injection molding machine according to claim 1, characterized in that: the injection nozzle body comprises an injection nozzle body outer sleeve and an injection nozzle body inner sleeve, the injection nozzle body outer sleeve is provided with an outer sleeve base and an outer sleeve connected to one end of the outer sleeve base, the injection nozzle body inner sleeve is provided with an inner sleeve base and an inner sleeve head connected to one end of the inner sleeve base, the inner sleeve head of the injection nozzle body inner sleeve penetrates through the outer sleeve of the injection nozzle body outer sleeve and then is connected with the injection nozzle head, and a colloid flow passage of the injection nozzle body is arranged inside the injection nozzle body inner sleeve.
3. The machine injection nozzle of the liquid silica gel injection molding machine according to claim 2, characterized in that: a first O-shaped ring is arranged between the outer sleeve seat body of the outer sleeve of the injection nozzle body and the inner sleeve seat body of the inner sleeve of the injection nozzle body, and a second O-shaped ring is arranged between the inner part of the front end of the outer sleeve of the injection nozzle body and the front end of the inner sleeve head of the inner sleeve of the injection nozzle body.
4. The machine injection nozzle of the liquid silica gel injection molding machine according to claim 2, characterized in that: and a third O-shaped ring is arranged between the front end of the inner sleeve head of the inner sleeve of the injection nozzle body and the injection nozzle head.
5. The machine injection nozzle of the liquid silica gel injection molding machine according to claim 2, characterized in that: the injection nozzle comprises an injection nozzle body inner sleeve, and is characterized in that a guide sleeve fixing seat, a valve needle guide sleeve, a first U-shaped seal, a second U-shaped seal and a fourth O-shaped seal are arranged inside the injection nozzle body inner sleeve, the valve needle guide sleeve is installed inside the injection nozzle body inner sleeve through the guide sleeve fixing seat, the first U-shaped seal is located between the inside of the guide sleeve fixing seat and the front end of the valve needle guide sleeve, the second U-shaped seal and the fourth O-shaped seal are respectively located between the front end of the guide sleeve fixing seat and the injection nozzle body inner sleeve, and the valve needle penetrates through the valve needle guide sleeve, the first U-shaped seal, the guide sleeve fixing seat and the second U-shaped seal.
6. The machine injection nozzle of the liquid silica gel injection molding machine according to claim 1, characterized in that: and a GREEN ring is arranged between the outer side wall of the pneumatic piston and the inner wall of the injection nozzle cylinder body, and one end of the valve needle is fixedly connected with the pneumatic piston through a valve needle compression screw.
7. The liquid silica gel injection molding machine table injection nozzle of claim 1 or 2, characterized in that: the glue inlet section of the glue flow channel of the injection nozzle body is an oblique flow channel, the glue outlet section of the glue flow channel of the injection nozzle body is a straight flow channel, the glue flow channel of the injection nozzle cylinder body is a straight flow channel, the glue flow of the injection nozzle base is an oblique flow channel, the oblique flow channel of the injection nozzle body is in a hemispherical butt joint with the straight flow channel of the injection nozzle body, and the oblique flow channel of the injection nozzle base is in a hemispherical butt joint with the straight flow channel of the injection nozzle body.
8. The machine injection nozzle of the liquid silica gel injection molding machine according to claim 1, characterized in that: and fifth O-shaped rings positioned on the periphery of the butt joint position of the flow channel are respectively arranged between the injection nozzle body and the injection nozzle cylinder body and between the injection nozzle cylinder body and the injection nozzle base, the front end of the injection nozzle base is provided with a protruding part extending into the movable groove of the piston, and sixth O-shaped rings are arranged between the outer side wall of the protruding part and the inner wall of the injection nozzle cylinder body.
9. The machine injection nozzle of the liquid silica gel injection molding machine according to claim 2, characterized in that: the inner sleeve of the jet nozzle body and the inner sleeve of the jet nozzle cylinder body are internally provided with waterway channels which are mutually butted and communicated, the water inlet and the water outlet of the waterway channel of the jet nozzle cylinder body are arranged on the outer side wall of the jet nozzle cylinder body, or the inner sleeve of the jet nozzle body, the jet nozzle cylinder body and the jet nozzle base are internally provided with waterway channels which are mutually butted and communicated, and the water inlet and the water outlet of the waterway channel of the jet nozzle base are arranged on the outer side wall of the jet nozzle cylinder body.
10. The liquid silica gel injection molding machine table injection nozzle of claim 1 or 2, characterized in that: the injection nozzle body, the injection nozzle cylinder body and the injection nozzle base are fixedly connected through a cup head screw, and a screw cap positioned on the outer side of the head end of the cup head screw is sleeved on the injection nozzle body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921842939.7U CN211105266U (en) | 2019-10-29 | 2019-10-29 | Injection nozzle of liquid silica gel injection molding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921842939.7U CN211105266U (en) | 2019-10-29 | 2019-10-29 | Injection nozzle of liquid silica gel injection molding machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211105266U true CN211105266U (en) | 2020-07-28 |
Family
ID=71688063
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921842939.7U Active CN211105266U (en) | 2019-10-29 | 2019-10-29 | Injection nozzle of liquid silica gel injection molding machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211105266U (en) |
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2019
- 2019-10-29 CN CN201921842939.7U patent/CN211105266U/en active Active
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