CN101104305A - Injection mouth and vertical plastic injection forming machine injection head - Google Patents
Injection mouth and vertical plastic injection forming machine injection head Download PDFInfo
- Publication number
- CN101104305A CN101104305A CNA2007101289095A CN200710128909A CN101104305A CN 101104305 A CN101104305 A CN 101104305A CN A2007101289095 A CNA2007101289095 A CN A2007101289095A CN 200710128909 A CN200710128909 A CN 200710128909A CN 101104305 A CN101104305 A CN 101104305A
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- injection
- injection head
- discharging portion
- material feeding
- mouth
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- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
The invention discloses an injection tooth and an injection head of an upright plastic injection molding machine with a said injection tooth. The injection tooth takes the shape of T, with the upper part being a sealing unit and the lower part being a discharge unit which is provided with a discharge channel. The body of the injection head is provided with an injection pore canal, a feeding port and an injection port for the injection pore canal; the injection tooth which can both inject materials and prevent the materials from leaking, is inserted into the feeding port; the injection tooth takes the shape of T, with the upper part being a sealing unit and the lower part being a discharge unit; the sealing unit can cover and seal up the feeding port; the discharge unit is provided with a discharge channel and the bottom of the discharge unit stretches out of the feeding port, that means, the bottom of the discharge unit is lower than the lower surface of the body of the injection head. The injection tooth and the injection head of the invention can prevent the materials from leaking from the injection head.
Description
Technical field
The invention belongs to plastic-injection moulding machine tool design field, be specifically related to the injection head of the vertical plastic injection forming machine of a kind of injection mouth and this kind of use injection mouth.
Background technology
Disk type plastic injection moulding machine is a kind of equipment of making plastic sole that is exclusively used in, often be provided with simultaneously on the used disk and overpay the die for shoe-sole of same style, different yardages, therefore mould need be arranged on the rotating disk, for mould gradation injection moulding that the plastics plastic-injection moulding machine is identical to style, yardage is different and the process operations such as sole of conveniently carrying out die sinking and taking out forming.
Disk type plastic injection moulding machine is owing to select the difference of preformed mechanism for use, generally be divided into two kinds of horizontal plastic injection mo(u)lding machine and vertical plastic injection forming machines, horizontal plastic injection mo(u)lding machine has the preformed mechanism that horizontal direction is provided with, and vertical plastic injection forming machine has the preformed mechanism that vertical direction is provided with.
The injection head that traditional vertical disc formula plastic-injection moulding machine is adopted is provided with the material feeding duct in its body, the charging aperture in described material feeding duct is arranged on the upper surface of injection head body, and the sprue in described material feeding duct is arranged on the lower surface of injection head body.
The shortcoming of traditional vertical plastic-injection moulding machine is in the process of operate as normal, and the fluid foods that has part to plastify easily spills from sprue, the material situation also promptly occurs leaking.Leak material and can bring unnecessary economic loss to the owner.
Summary of the invention
The object of the present invention is to provide a kind of injection head of preventing the injection mouth of leak-stopping material and using the vertical plastic injection forming machine of this kind injection mouth.
The technical scheme that realizes the injection mouth of the object of the invention is: a kind of injection mouth, basic configuration are up big and down small T shape, and its top is sealing, and its underpart is a discharging portion; Described discharging portion is provided with tapping channel.
Tapping channel in the described injection mouth is the duct of Y shape for the basic configuration that vertically is arranged on discharging portion, perhaps for vertically being arranged on the groove on the discharging portion outer surface.
The technical scheme that realizes the injection head of the object of the invention is: a kind of injection head of vertical plastic injection forming machine is provided with the material feeding duct, the charging aperture and the sprue in described material feeding duct in its body; Be inserted with in the described sprue and get final product the injection mouth that material feeding can be prevented the leak-stopping material again; The basic configuration of described injection mouth is up big and down small T shape, and its top is sealing, and its underpart is a discharging portion; Described sealing can hide and seal up sprue, and described discharging portion is provided with tapping channel, and to stretch out sprue also be the lower surface that the injection head body is hanged down in the bottom of discharging portion in the bottom of discharging portion.
Tapping channel in the described injection mouth is the duct of Y shape for the basic configuration that vertically is arranged in the discharging portion, perhaps for vertically being arranged on the groove on the discharging portion outer surface.
The charging aperture of described injection head body is positioned at the top of injection head body, and sprue is positioned at the bottom of injection head body.
The screwed pipe that the bottom centre place of described injection head body is provided with screw and matches with described screw, the centre bore of described screwed pipe is connected with the material feeding duct, thereby makes the centre bore of described screwed pipe become the sprue in material feeding duct; The diameter of the sealing of described injection mouth is greater than the aperture of screwed pipe centre bore.
Described injection head also is provided with and stops the material feeding controlling organization.
The described material feeding controlling organization that stops to comprise the substrate of fixedlying connected with the injection head body and inspection flitch, sliding pin, contact and the travel switch with locating hole that are arranged on the substrate; Described sliding pin passes the locating hole on the described substrate, fixedly connected with described inspection flitch in the lower end of described sliding pin, fixedly connected with described contact in the upper end of described sliding pin, the maximum gauge of described contact is greater than the aperture of locating hole on the described substrate, and described contact can trigger the described travel switch that is fixedly installed on the described substrate in the process that moves upward.
Described injection head body interior or its outer surface are provided with heater.
The present invention has beneficial effect:
(1) injection head among the present invention has plugged custom-designed injection mouth owing to having adopted in sprue, when injection head is not pressed on the mould, this kind injection mouth is under the pressure of material, described sealing can hide and seal up sprue, and make the bottom of its discharging portion hang down the lower surface of injection head body, can prevent that material from spilling from sprue; When injection head is pressed on the mould, owing to hang down the mould that the injection mouth discharging portion of injection head body lower surface at first contacts, so injection mouth is by the mould jack-up that makes progress, thereby make fluid foods from the tapping channel of injection mouth discharging portion, to flow out sprue and enter into mold cavity, get final product the technique effect that material feeding can be prevented the leak-stopping material again so the injection head among the present invention has.
(2) also be provided with when stopping the material feeding controlling organization when injection head of the present invention, can control the injection volume of material easily, because after material is filled with mold cavity, will from the steam vent of mould, overflow, thereby with the jack-up that makes progress of the inspection flitch in the controlling organization, the inspection flitch promotes contact by sliding pin and triggers travel switch, the trip switch is used to control injection cylinder, after the trip switch is triggered, injection cylinder stops injection, and the material that just can guarantee to be injected in the mould just in time is a suitable amount.
(3) when also being provided with heater in the injection head of the present invention, can better the material that is arranged in the material feeding duct of injection head be kept fluid state, effectively avoid taking place material stops up sprue because of cooling phenomenon.
(4) be provided with screw and during with screwed pipe that described screw matches, its advantage is when installing and need repairing the cleaning injection mouth when the bottom centre of described injection head body place, screwed pipe need be pulled down and to get final product, have advantage easily and efficiently.
Description of drawings
Fig. 1 is the cutaway view of first kind of structure of injection mouth of the present invention.
Fig. 2 is the cutaway view of second kind of structure of injection mouth of the present invention.
Fig. 3 is the schematic perspective view of first kind of structure of injection head of the present invention.
Fig. 4 is the perspective view when another angle is observed of injection head shown in Figure 3.
Fig. 5 is the cutaway view of figure injection head shown in Figure 3.
Fig. 6 is the cutaway view of second kind of structure of injection head of the present invention.
Fig. 7 is the partial enlarged drawing at A place among Fig. 6.
Fig. 8 is the cutaway view of the third structure of injection head of the present invention.
Be labeled as shown in the accompanying drawing: injection mouth 1, sealing 11, discharging portion 12, tapping channel 121; Injection head body 2, material feeding duct 21, charging aperture 211, sprue 212, screw 22, screwed pipe 23, centre bore 231; Stop material feeding controlling organization 5, substrate 51, locating hole 511, inspection flitch 52, sliding pin 53, contact 54, travel switch 55.
The specific embodiment 25
(embodiment 1, injection mouth)
Fig. 1 is the sectional structure schematic diagram of first kind of structure of injection mouth of the present invention, has shown first kind of embodiment of injection mouth of the present invention.
See Fig. 1, the basic configuration of this kind injection mouth is up big and down small T shape, and its top is sealing 11, and its underpart is a discharging portion 12; Described discharging portion 12 is provided with tapping channel 121.Tapping channel 121 in the described injection mouth 1 is the duct of Y shape for the basic configuration that vertically is arranged on discharging portion 12, the vertical portion of its bottom, Y shape duct is divided into the circular hole that is arranged on discharging portion 12 centers, and two branch on its top, Y shape duct are partly run through discharging portion 12.
(embodiment 2, injection mouth)
Fig. 2 is the sectional structure schematic diagram of second kind of structure of injection mouth of the present invention, has shown second kind of embodiment of injection mouth of the present invention.
See Fig. 2, present embodiment is substantially the same manner as Example 1, and difference is: the shape of the tapping channel 121 of described discharging portion 12 is different with the position, and the tapping channel 121 of present embodiment is for vertically being arranged on the groove on discharging portion 12 outer surfaces.
(embodiment 3, injection head)
Fig. 3 to Fig. 5 has shown first kind of embodiment of injection head of the present invention, and wherein, Fig. 3 is the schematic perspective view of first kind of structure of injection head of the present invention.Fig. 4 is the perspective view when another angle is observed of injection head shown in Figure 3.Fig. 5 is the cutaway view of figure injection head shown in Figure 3.
Present embodiment is a kind of injection head that is used for vertical plastic injection forming machine, is provided with material feeding duct 21 in its injection head body 2, the charging aperture 211 in described material feeding duct 21 and sprue 212; The charging aperture 211 of described injection head body is positioned at the top of injection head body 2, and sprue 212 is positioned at the bottom of injection head body 2.
Be inserted with in the described sprue 212 and get final product the injection mouth 1 that material feeding can be prevented the leak-stopping material again; Material feeding in the present embodiment is chewed 1 and is the injection mouth 1 described in the foregoing description 1, and the basic configuration of described injection mouth 1 is up big and down small T shape, and its top is sealing 11, and its underpart is a discharging portion 12; Described sealing 11 can hide and seal up sprue 212, and described discharging portion 12 is provided with tapping channel 121, and to stretch out sprue 212 also be the lower surface that injection head body 2 is hanged down in the bottom of discharging portion 12 in the bottom of discharging portion 12.
Tapping channel 121 in the described injection mouth 1 is the duct of Y shape for the basic configuration that vertically is arranged in the discharging portion 12.
Described injection head body 2 is provided with two open-works 25 that run through body, described open-work 25 be used for plugging on the electric heater figure unillustrated.Heater can better keep fluid state with the material that is arranged in the material feeding duct 21 of injection head, effectively avoids taking place material stops up sprue 212 because of cooling phenomenon.
The injection head of present embodiment is when installing and using, be fixed on the injection frame of plastic-injection moulding machine by the screw 26 that is positioned at its four edges in upper end, fixedly connected by four little screws 27 that are arranged in the sprue periphery simultaneously with the barrel of plastic-injection moulding machine.
(embodiment 4, injection head)
Fig. 6 and Fig. 7 have shown second kind of embodiment of injection head of the present invention.Fig. 6 is the cutaway view of second kind of structure of injection head of the present invention.Fig. 7 is the partial enlarged drawing at A place among Fig. 6.
See Fig. 6 and Fig. 7, present embodiment is substantially the same manner as Example 1, and difference is: the basic configuration of injection head body 2 is inequality, the injection head body in the present embodiment be shaped as down " T " font.
In addition, the screwed pipe 23 that the bottom centre place of the injection head body of present embodiment is provided with screw 22 and matches with described screw, the centre bore 231 of described screwed pipe 23 is connected with material feeding duct 21, thereby makes the centre bore 231 of described screwed pipe 23 become the sprue 212 in material feeding duct 21; The diameter of the sealing 11 of described injection mouth 1 is greater than the aperture of screwed pipe 23 centre bores 231.
In addition, the outer surface of the injection head body 2 of present embodiment is arranged with the electric heater of ring-type.
The advantage of present embodiment is when installing and need repairing cleaning injection mouth 1, only screwed pipe 23 need be pulled down to get final product, and has advantage easily and efficiently.
(embodiment 5, injection head)
Fig. 8 is the cutaway view of the third structure of injection head of the present invention, has shown the third embodiment of injection head of the present invention.
Present embodiment is substantially the same manner as Example 3, and difference is: the injection head 9 of present embodiment also is provided with and stops material feeding controlling organization 5.The described material feeding controlling organization 5 that stops to comprise the substrate 51 of fixedlying connected with injection head body 2 and the inspection flitch 52 with locating hole 511, sliding pin 53, contact 54 and the travel switch 55 that are arranged on the substrate 51; Described sliding pin 53 passes the locating hole 511 on the described substrate, fixedly connected with described inspection flitch 52 in the lower end of described sliding pin 53, fixedly connected with described contact 54 in the upper end of described sliding pin 53, the maximum gauge of described contact 54 is greater than the aperture of locating hole 511 on the described substrate, and described contact 54 can trigger the described travel switch 55 that is fixedly installed on the described substrate 51 in the process that moves upward.Stop material feeding controlling organization 5 and can control the injection volume of material easily, because after material is filled with mold cavity, will from the steam vent of mould, overflow, thereby with the inspection flitch in the controlling organization 5 52 jack-up upwards, the inspection flitch promotes contact 54 by sliding pin 53 and triggers travel switch 55, the trip switch 55 is used to control the injection cylinder of plastic-injection moulding machine, after the trip switch 55 is triggered, injection cylinder stops injection, and the material that just can guarantee to be injected in the mould just in time is a suitable amount.
(embodiment 6, injection head)
Present embodiment is substantially the same manner as Example 5, and difference is: the injection mouth 1 of present embodiment adopts embodiment 2 described injection mouths 1.
Obviously, the above embodiment of the present invention only is for example of the present invention clearly is described, and is not to be qualification to embodiments of the present invention.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here need not also can't give exhaustive to all embodiments.And these belong to conspicuous variation or the change that spirit of the present invention extended out and still are among protection scope of the present invention.
Claims (9)
1. injection mouth, basic configuration is up big and down small T shape, and its top is sealing (11), and its underpart is discharging portion (12); Described discharging portion (12) is provided with tapping channel (121).
2. injection mouth according to claim 1, it is characterized in that: the tapping channel (121) in the described injection mouth (1) is the duct of Y shape for the basic configuration that vertically is arranged on discharging portion (12), perhaps for vertically being arranged on the groove on discharging portion (12) outer surface.
3. the injection head of a vertical plastic injection forming machine is provided with material feeding duct (21) in its body (2), the charging aperture (211) in described material feeding duct (21) and sprue (212); It is characterized in that: be inserted with in the described material feeding (212) and get final product the injection mouth (1) that material feeding can be prevented the leak-stopping material again; The basic configuration of described injection mouth (1) is up big and down small T shape, and its top is sealing (11), and its underpart is discharging portion (12); Described sealing (11) can hide and seal up sprue (212), and described discharging portion (12) is provided with tapping channel (121), and to stretch out material feeding (212) also be that the lower surface of injection head body (2) is hanged down in the bottom of discharging portion (12) in the bottom of discharging portion (12).
4. injection head according to claim 3, it is characterized in that: the tapping channel (121) in the described injection mouth (1) is the duct of Y shape for the basic configuration that vertically is arranged in the discharging portion (12), perhaps for vertically being arranged on the groove on discharging portion (12) outer surface.
5. according to the injection head of the described vertical plastic injection forming machine of claim 3, it is characterized in that: the charging of described injection head body (211) is positioned at the top of injection head body (2), and material feeding (212) is positioned at the bottom of injection head body (2).
6. according to the injection head of the described vertical plastic injection forming machine of claim 3, it is characterized in that: the screwed pipe (23) that the bottom centre place of described injection head body is provided with screw (22) and matches with described screw, the centre bore (231) of described screwed pipe (23) is connected with material feeding duct (21), thereby makes the centre bore (231) of described screwed pipe (23) become the sprue (212) of material feeding duct (21); The diameter of the sealing (11) of described injection mouth (1) is greater than the aperture of screwed pipe (23) centre bore (231).
7. according to the injection head of the described vertical plastic injection forming machine of claim 3, it is characterized in that: described injection head (9) also is provided with and stops material feeding controlling organization (5).
8. according to the injection head of the described vertical plastic injection forming machine of claim 7, it is characterized in that: the described material feeding controlling organization (5) that stops to comprise the substrate (51) of fixedlying connected with injection head body (2) and is arranged on the inspection flitch (52) with locating hole (511), sliding pin (53), contact (54) and travel switch (55) on the substrate (51); Described sliding pin (53) passes the locating hole (511) on the described substrate, fixedly connected with described inspection flitch (52) in the lower end of described sliding pin (53), fixedly connected with described contact (54) in the upper end of described sliding pin (53), the maximum gauge of described contact (54) is greater than the aperture of locating hole (511) on the described substrate, and described contact (54) can trigger the described travel switch (55) that is fixedly installed on the described substrate (51) in the process that moves upward.
9. according to the injection head of the described vertical plastic injection forming machine of claim 3, it is characterized in that: described injection head body (2) inside or its outer surface are provided with heater.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CNB2007101289095A CN100522550C (en) | 2007-03-15 | 2007-07-26 | Injection mouth and vertical plastic injection forming machine injection head |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
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CN200710067605.2 | 2007-03-15 | ||
CN200710067605 | 2007-03-15 | ||
CNB2007101289095A CN100522550C (en) | 2007-03-15 | 2007-07-26 | Injection mouth and vertical plastic injection forming machine injection head |
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CN101104305A true CN101104305A (en) | 2008-01-16 |
CN100522550C CN100522550C (en) | 2009-08-05 |
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CNB2007101289095A Expired - Fee Related CN100522550C (en) | 2007-03-15 | 2007-07-26 | Injection mouth and vertical plastic injection forming machine injection head |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103434098A (en) * | 2013-08-06 | 2013-12-11 | 浙江德库玛机械有限公司 | Compressing glue injection device of injection molding machine |
CN108890973A (en) * | 2018-07-13 | 2018-11-27 | 浙江申达机器制造股份有限公司 | A kind of anti-saliva nozzle of needle valve and its working method |
CN110815782A (en) * | 2019-11-21 | 2020-02-21 | 衡阳市鸿康纸塑容器包装有限公司 | Constant temperature material feeding unit of horizontal blowing machine |
-
2007
- 2007-07-26 CN CNB2007101289095A patent/CN100522550C/en not_active Expired - Fee Related
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103434098A (en) * | 2013-08-06 | 2013-12-11 | 浙江德库玛机械有限公司 | Compressing glue injection device of injection molding machine |
CN108890973A (en) * | 2018-07-13 | 2018-11-27 | 浙江申达机器制造股份有限公司 | A kind of anti-saliva nozzle of needle valve and its working method |
CN110815782A (en) * | 2019-11-21 | 2020-02-21 | 衡阳市鸿康纸塑容器包装有限公司 | Constant temperature material feeding unit of horizontal blowing machine |
CN110815782B (en) * | 2019-11-21 | 2021-07-30 | 衡阳市鸿康纸塑容器包装有限公司 | Constant temperature material feeding unit of horizontal blowing machine |
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CN100522550C (en) | 2009-08-05 |
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Granted publication date: 20090805 Termination date: 20120726 |