CN103786318A - Injection device for injection molding machines - Google Patents
Injection device for injection molding machines Download PDFInfo
- Publication number
- CN103786318A CN103786318A CN201410016797.4A CN201410016797A CN103786318A CN 103786318 A CN103786318 A CN 103786318A CN 201410016797 A CN201410016797 A CN 201410016797A CN 103786318 A CN103786318 A CN 103786318A
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- CN
- China
- Prior art keywords
- injection
- accumulator
- barrel
- material feed
- feed drum
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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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
- B29C45/46—Means for plasticising or homogenising the moulding material or forcing it into the mould
- B29C45/53—Means for plasticising or homogenising the moulding material or forcing it into the mould using injection ram or piston
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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
- B29C45/46—Means for plasticising or homogenising the moulding material or forcing it into the mould
- B29C45/58—Details
- B29C45/62—Barrels or cylinders
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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 an injection device for injection molding machines, and relates to mechanical industrial production equipment. The injection device comprises a connecting body, a material storage cylinder and an injection barrel, wherein one end of the connecting body is connected with the material storage cylinder, multiple material supply barrels are arranged above the material storage cylinder, material push pistons are respectively arranged in the material storage cylinder and the material supply barrels, a charging hole is formed in each material supply barrel, a material supply screw rod is arranged in each material supply barrel, the material storage cylinder is connected with the injection barrel, an injection screw rod is arranged in the injection barrel, the other end of the connecting body is connected with a nozzle, the nozzle is circular, and the diameter of the nozzle is 50-100mm. The injection device disclosed by the invention is simple in structure, and achieves an effect of supplying materials from multiple holes, and therefore, the device is easily used in production, and convenient to operate; the device can prevent the occurrence of material leakage and spillage, and therefore, the device is economical and reliable, and saves materials.
Description
Technical field
The injection device of a kind of injection machine of the present invention, relates to mechanical industry apparatus field.
Technical background
Along with social progress, the application of plastic product is more and more extensive, produce plastics, plastic shaping industry emerges rapidly, so also constantly carrying out for the improvement of producing plastics machinery, injection machine is the typical plant equipment in the inside, the injection device of injection machine is exactly in the cyclic process of injection mo(u)lding, in official hour by regulation the uniform fusion plastification of plastics to forming temperature, in melt being expelled in mold cavity with certain pressure and speed, go, after having injected, and the melt being expelled in mold cavity is carried out to pressurize.Traditional injection device for injection molding machine, adopt plasticizing and injection substep to carry out, so all need to improve in synchronism and in speed, although modern some improve for the injection device in conventional art, if application number is the injection device of a kind of New Type of Injection Machine as described in 2011110323487.3, comprise connector, accumulator, injection barrel, the devices such as pusher plug, although can realize plasticizing and synchronizeing of injecting, but do not meet the needs of present working condition, do not have attemperator can not maintain the temperature of raw material in material feed drum, the coaxial pressure that is connected injection port of not accomplishing charging ram and accumulator is strong not, do not reach the injection moulding effect of expection, and material feed drum only has one, structure is single, can not tackle present people for plastic product outward appearance novelty, baroque demand, for example, while injecting the product of two kinds of different materials, above-mentioned injection device must be removed original clout and reinstall virgin material, Comparision is loaded down with trivial details like this, and affect the quality of plastic shaping.
Summary of the invention
The object of the present invention is to provide a kind of injection device of injection machine, to solve the above-mentioned multinomial defect causing in prior art.
A kind of injection device of injection machine, comprise connector, accumulator and injection barrel, described connector one end is connected with accumulator, described accumulator top is provided with several material feed drums, in described accumulator and material feed drum, be equipped with pushing piston, described material feed drum top is provided with charge door, in described material feed drum, be provided with feeding screw bolt, described accumulator is connected with injection barrel, in described injection barrel, is provided with injection screw, and the described connector other end is connected with nozzle, described nozzle is circular, and diameter is 50mm-100mm.
Preferably, described material feed drum is provided with heat insulation and heating equipment.
Preferably, described accumulator is provided with heat-insulation layer outward.
Preferably, the port of described pushing piston and injection screw was equipped with adhesive dispenser.
Preferably, described material feed drum is 25 °-50 ° with the angle of injection barrel.
Beneficial effect of the present invention: the injection device of a kind of injection machine of the present invention, simple in structure, can realize the function of many confessions material, easily be applied to production, handled easily, can anti-leak-stopping material, the situation of spreading occurs, economical reliable, save material, be provided with accumulator and can before injection, carry out the preparation of raw material filling, material feed drum can be timely for accumulator be supplied raw materials above accumulator, injection when several material feed drums can be realized plurality of raw materials, fast and fractional injection with plurality of raw materials, charge door can supplement the raw material in material feed drum timely, pushing piston in accumulator, in repeatedly moving, complete injection, moving forward steadily when injection screw can be realized material feeding, in the time that needing larger pressure, nozzle also can stop push-rod piston motion, promote separately injection rod, the injection of larger pressure is provided, the raw material that nozzle can come accumulator pressurizes, , under the promotion of pushing piston, inject in mold cavity.The attemperator of material feed drum and accumulator, can extend the fusion time of raw material, obviously increase work efficiency, the port of described pusher plug and injection screw was equipped with adhesive dispenser, can prevent the Lou situation appearance of material, material feed drum and injection barrel are kept at an angle and can utilize the convenient raw material that supplements of gravity.
Accompanying drawing explanation
Fig. 1 is the structural representation of a material feed drum of injection device of a kind of injection machine of the present invention.
Fig. 2 is the front view of multiple material feed drums of the injection device of a kind of injection machine of the present invention.
Fig. 3 is the left view of Fig. 2.
Wherein 1-connector, 2-accumulator, 3-injects barrel, 4-material feed drum, 5-pushing piston, 6-charge door, 7-feeding screw bolt, 8-injection screw, 9-nozzle, 10-heat insulation and heating equipment, 11-heat-insulation layer, 12-crosses adhesive dispenser.
Specific embodiments
As shown in Figure 1, a kind of injection device of injection machine, comprise connector 1, accumulator 2 and injection barrel 3, described connector 1 one end is connected with accumulator 2, described accumulator 1 top is provided with several material feed drums 4 as shown in Figure 2, in described accumulator 2 and material feed drum 4, be equipped with pushing piston 5, described material feed drum 4 tops are provided with charge door 6, in described material feed drum 4, be provided with feeding screw bolt 7, described accumulator 2 is connected with injection barrel 3, in described injection barrel 3, be provided with injection screw 8, described connector 1 other end is connected with nozzle 9, described nozzle 9 is circular as shown in Figure 3, diameter is 50mm-100mm, be provided with accumulator 2 and can before injection, carry out the preparation of raw material filling, material feed drum 4 can be supplied raw materials for accumulator 2 timely above accumulator 2, injection when several material feed drums 4 can be realized plurality of raw materials, fast and fractional injection with plurality of raw materials, charge door 6 can supplement the raw material in material feed drum timely, the pushing piston 5 that accumulator is 2 li, in repeatedly moving, complete injection, moving forward steadily when injection screw 8 can be realized material feeding, in the time that nozzle 9 needs larger pressure, also can stop push-rod piston 5 moves, promote separately injection rod, the injection of larger pressure is provided.Nozzle 9 can pressurize to the raw material of accumulator 2,, under the promotion of pushing piston 5, inject in mold cavity.
Described material feed drum 4 is provided with heat insulation and heating equipment 10, can extend the fusion time of raw material at material feed drum, handled easily.
In addition, described accumulator is provided with heat-insulation layer 11 outward, prevents that raw material overstand temperature decline in accumulator from affecting the quality of injecting products.
Port that it should be noted that described pushing piston 5 and injection screw 8 was equipped with adhesive dispenser, crossed adhesive dispenser and can effectively prevent that material from appearring leaking in pushing piston and injection screw in the time of work, and spreading event occurs.
In the present embodiment, described material feed drum 4 is 25 °-50 ° with the angle of injection barrel 3, and the raw material that suitable angle of inclination is conducive to 4 li of material feed drums injects accumulator 2, also facilitates supplementing of material feed drum 4 raw materials simultaneously.
Based on above-mentioned, the injection device of described a kind of injection machine, simple in structure, can realize the function of many confessions material, easily be applied to production, handled easily, can anti-leak-stopping material, the situation of spreading occurs, economical reliable, save material, be provided with accumulator and can before injection, carry out the preparation of raw material filling, material feed drum can be timely for accumulator be supplied raw materials above accumulator, injection when several material feed drums can be realized plurality of raw materials, fast and fractional injection with plurality of raw materials, charge door can supplement the raw material in material feed drum timely, pushing piston in accumulator, in repeatedly moving, complete injection, moving forward steadily when injection screw can be realized material feeding, the raw material that nozzle can come accumulator pressurizes, , under the promotion of pushing piston, inject in mold cavity.
As known by the technical knowledge, the present invention can realize by other the embodiment that does not depart from its Spirit Essence or essential feature.Therefore, above-mentioned disclosed embodiment, with regard to each side, all just illustrates, and is not only.Within the scope of the present invention all or be all included in the invention in the change being equal in scope of the present invention.
Claims (5)
1. the injection device of an injection machine, comprise connector, accumulator and injection barrel, described connector one end is connected with accumulator, it is characterized in that: described accumulator top is provided with several material feed drums, in described accumulator and material feed drum, be equipped with pushing piston, described material feed drum top is provided with charge door, in described material feed drum, be provided with feeding screw bolt, described accumulator is connected with injection barrel, in described injection barrel, is provided with injection screw, and the described connector other end is connected with nozzle, described nozzle is circular, and diameter is 50mm-100mm.
2. a kind of injection device of injection machine according to claim 1, is characterized in that: described material feed drum is provided with heat insulation and heating equipment.
3. a kind of injection device of injection machine according to claim 1, is characterized in that: described accumulator is provided with heat-insulation layer outward.
4. a kind of injection device of injection machine according to claim 1, is characterized in that: the port of described pushing piston and injection screw was equipped with adhesive dispenser.
5. a kind of injection device of injection machine according to claim 1, is characterized in that: described material feed drum is 25 °-50 ° with the angle of injection barrel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410016797.4A CN103786318A (en) | 2014-01-15 | 2014-01-15 | Injection device for injection molding machines |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410016797.4A CN103786318A (en) | 2014-01-15 | 2014-01-15 | Injection device for injection molding machines |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103786318A true CN103786318A (en) | 2014-05-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410016797.4A Pending CN103786318A (en) | 2014-01-15 | 2014-01-15 | Injection device for injection molding machines |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103786318A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109016357A (en) * | 2018-07-16 | 2018-12-18 | 吴丽珠 | A kind of more injection hole injection molding machines |
| GB2579766A (en) * | 2018-10-20 | 2020-07-08 | Pancake Machine Ltd | Improvements to injection moulding machines |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103057060A (en) * | 2011-10-23 | 2013-04-24 | 南京荣欣化工有限公司 | Novel injection device for injection molding machine |
| CN203713009U (en) * | 2014-01-15 | 2014-07-16 | 晟扬精密模具（昆山）有限公司 | Injection device of injection molding machine |
-
2014
- 2014-01-15 CN CN201410016797.4A patent/CN103786318A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103057060A (en) * | 2011-10-23 | 2013-04-24 | 南京荣欣化工有限公司 | Novel injection device for injection molding machine |
| CN203713009U (en) * | 2014-01-15 | 2014-07-16 | 晟扬精密模具（昆山）有限公司 | Injection device of injection molding machine |
Non-Patent Citations (1)
| Title |
|---|
| 周殿明: "《塑料注射成型技术问答》", 31 May 2010 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109016357A (en) * | 2018-07-16 | 2018-12-18 | 吴丽珠 | A kind of more injection hole injection molding machines |
| GB2579766A (en) * | 2018-10-20 | 2020-07-08 | Pancake Machine Ltd | Improvements to injection moulding machines |
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| PB01 | Publication | ||
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| RJ01 | Rejection of invention patent application after publication | ||
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Application publication date: 20140514 |